diff options
Diffstat (limited to 'arch/frv')
136 files changed, 1990 insertions, 3701 deletions
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index 8a5bd7a9c6f..34aa19352dc 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -1,12 +1,19 @@ -# -# For a description of the syntax of this configuration file, -# see Documentation/kbuild/kconfig-language.txt. -# config FRV bool default y select HAVE_IDE select HAVE_ARCH_TRACEHOOK + select HAVE_PERF_EVENTS + select HAVE_UID16 + select VIRT_TO_BUS + select GENERIC_IRQ_SHOW + select HAVE_DEBUG_BUGVERBOSE + select ARCH_HAVE_NMI_SAFE_CMPXCHG + select GENERIC_CPU_DEVICES + select ARCH_WANT_IPC_PARSE_VERSION + select OLD_SIGSUSPEND3 + select OLD_SIGACTION + select HAVE_DEBUG_STACKOVERFLOW config ZONE_DMA bool @@ -19,10 +26,6 @@ config RWSEM_GENERIC_SPINLOCK config RWSEM_XCHGADD_ALGORITHM bool -config GENERIC_FIND_NEXT_BIT - bool - default y - config GENERIC_HWEIGHT bool default y @@ -31,18 +34,6 @@ config GENERIC_CALIBRATE_DELAY bool default n -config GENERIC_HARDIRQS - bool - default y - -config GENERIC_HARDIRQS_NO__DO_IRQ - bool - default y - -config GENERIC_TIME - bool - default y - config TIME_LOW_RES bool default y @@ -63,8 +54,6 @@ config HZ int default 1000 -mainmenu "Fujitsu FR-V Kernel Configuration" - source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -334,6 +323,7 @@ config PCI bool "Use PCI" depends on MB93090_MB00 default y + select GENERIC_PCI_IOMAP help Some FR-V systems (such as the MB93090-MB00 VDK) have PCI onboard. If you have one of these boards and you wish to use the PCI @@ -358,21 +348,10 @@ source "drivers/pci/Kconfig" source "drivers/pcmcia/Kconfig" -#config MATH_EMULATION -# bool "Math emulation support (EXPERIMENTAL)" -# depends on EXPERIMENTAL -# help -# At some point in the future, this will cause floating-point math -# instructions to be emulated by the kernel on machines that lack a -# floating-point math coprocessor. Thrill-seekers and chronically -# sleep-deprived psychotic hacker types can say Y now, everyone else -# should probably wait a while. - menu "Power management options" config ARCH_SUSPEND_POSSIBLE def_bool y - depends on !SMP source kernel/power/Kconfig endmenu diff --git a/arch/frv/Kconfig.debug b/arch/frv/Kconfig.debug index 211f01bc4ca..98c99a3ed2b 100644 --- a/arch/frv/Kconfig.debug +++ b/arch/frv/Kconfig.debug @@ -2,10 +2,6 @@ menu "Kernel hacking" source "lib/Kconfig.debug" -config DEBUG_STACKOVERFLOW - bool "Check for stack overflows" - depends on DEBUG_KERNEL - config GDBSTUB bool "Remote GDB kernel debugging" depends on DEBUG_KERNEL diff --git a/arch/frv/Makefile b/arch/frv/Makefile index 310c47a663f..2a8fb730d1c 100644 --- a/arch/frv/Makefile +++ b/arch/frv/Makefile @@ -23,20 +23,14 @@ # Copyright (C) 1994 by Hamish Macdonald # -CCSPECS := $(shell $(CC) -v 2>&1 | grep "^Reading specs from " | head -1 | cut -c20-) -CCDIR := $(strip $(patsubst %/specs,%,$(CCSPECS))) -CPUCLASS := fr400 - -# test for cross compiling -COMPILE_ARCH = $(shell uname -m) - ifdef CONFIG_MMU UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\" else UTS_SYSNAME = -DUTS_SYSNAME=\"uClinux\" endif -ARCHMODFLAGS += -G0 -mlong-calls +KBUILD_AFLAGS_MODULE += -G0 -mlong-calls +KBUILD_CFLAGS_MODULE += -G0 -mlong-calls ifdef CONFIG_GPREL_DATA_8 KBUILD_CFLAGS += -G8 @@ -54,7 +48,6 @@ endif ifdef CONFIG_GC_SECTIONS KBUILD_CFLAGS += -ffunction-sections -fdata-sections -LINKFLAGS += --gc-sections endif ifndef CONFIG_FRAME_POINTER @@ -64,16 +57,13 @@ endif ifdef CONFIG_CPU_FR451_COMPILE KBUILD_CFLAGS += -mcpu=fr450 KBUILD_AFLAGS += -mcpu=fr450 -ASFLAGS += -mcpu=fr450 else ifdef CONFIG_CPU_FR551_COMPILE KBUILD_CFLAGS += -mcpu=fr550 KBUILD_AFLAGS += -mcpu=fr550 -ASFLAGS += -mcpu=fr550 else KBUILD_CFLAGS += -mcpu=fr400 KBUILD_AFLAGS += -mcpu=fr400 -ASFLAGS += -mcpu=fr400 endif endif @@ -83,17 +73,8 @@ endif KBUILD_CFLAGS += -mno-fdpic -mgpr-32 -msoft-float -mno-media KBUILD_CFLAGS += -ffixed-fcc3 -ffixed-cc3 -ffixed-gr15 -ffixed-icc2 KBUILD_AFLAGS += -mno-fdpic -ASFLAGS += -mno-fdpic - -# make sure the .S files get compiled with debug info -# and disable optimisations that are unhelpful whilst debugging -ifdef CONFIG_DEBUG_INFO -#KBUILD_CFLAGS += -O1 -KBUILD_AFLAGS += -Wa,--gdwarf2 -ASFLAGS += -Wa,--gdwarf2 -endif -head-y := arch/frv/kernel/head.o arch/frv/kernel/init_task.o +head-y := arch/frv/kernel/head.o core-y += arch/frv/kernel/ arch/frv/mm/ libs-y += arch/frv/lib/ @@ -105,11 +86,5 @@ all: Image Image: vmlinux $(Q)$(MAKE) $(build)=arch/frv/boot $@ -bootstrap: - $(Q)$(MAKEBOOT) bootstrap - archclean: $(Q)$(MAKE) $(clean)=arch/frv/boot - -archdep: scripts/mkdep symlinks - $(Q)$(MAKE) $(build)=arch/frv/boot dep diff --git a/arch/frv/boot/Makefile b/arch/frv/boot/Makefile index 6ae3254da01..636d5bbcd53 100644 --- a/arch/frv/boot/Makefile +++ b/arch/frv/boot/Makefile @@ -17,6 +17,8 @@ PARAMS_PHYS = 0x0207c000 INITRD_PHYS = 0x02180000 INITRD_VIRT = 0x02180000 +OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment + # # If you don't define ZRELADDR above, # then it defaults to ZTEXTADDR @@ -32,18 +34,18 @@ Image: $(obj)/Image targets: $(obj)/Image $(obj)/Image: vmlinux FORCE - $(OBJCOPY) -O binary -R .note -R .comment -S vmlinux $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S vmlinux $@ #$(obj)/Image: $(CONFIGURE) $(SYSTEM) -# $(OBJCOPY) -O binary -R .note -R .comment -g -S $(SYSTEM) $@ +# $(OBJCOPY) $(OBJCOPYFLAGS) -g -S $(SYSTEM) $@ bzImage: zImage zImage: $(CONFIGURE) compressed/$(LINUX) - $(OBJCOPY) -O binary -R .note -R .comment -S compressed/$(LINUX) $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S compressed/$(LINUX) $@ bootpImage: bootp/bootp - $(OBJCOPY) -O binary -R .note -R .comment -S bootp/bootp $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S bootp/bootp $@ compressed/$(LINUX): $(LINUX) dep @$(MAKE) -C compressed $(LINUX) diff --git a/arch/frv/defconfig b/arch/frv/defconfig index b6e4ca5efb5..b1b792610fd 100644 --- a/arch/frv/defconfig +++ b/arch/frv/defconfig @@ -1,627 +1,39 @@ -# -# Automatically generated make config: don't edit -# Linux kernel version: 2.6.11.8 -# Fri May 13 17:16:03 2005 -# -CONFIG_FRV=y -CONFIG_UID16=y -CONFIG_RWSEM_GENERIC_SPINLOCK=y -CONFIG_GENERIC_FIND_NEXT_BIT=y -# CONFIG_GENERIC_CALIBRATE_DELAY is not set -# CONFIG_GENERIC_HARDIRQS is not set - -# -# Code maturity level options -# CONFIG_EXPERIMENTAL=y -CONFIG_CLEAN_COMPILE=y -CONFIG_BROKEN_ON_SMP=y -CONFIG_INIT_ENV_ARG_LIMIT=32 - -# -# General setup -# -CONFIG_LOCALVERSION="" -CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y -# CONFIG_BSD_PROCESS_ACCT is not set -CONFIG_SYSCTL=y -# CONFIG_AUDIT is not set -# CONFIG_HOTPLUG is not set -# CONFIG_KOBJECT_UEVENT is not set -# CONFIG_IKCONFIG is not set -CONFIG_EMBEDDED=y -CONFIG_KALLSYMS=y -# CONFIG_KALLSYMS_ALL is not set -# CONFIG_KALLSYMS_EXTRA_PASS is not set -CONFIG_PRINTK=y -CONFIG_BUG=y -CONFIG_BASE_FULL=y -CONFIG_FUTEX=y -CONFIG_EPOLL=y +CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_SHMEM=y -CONFIG_CC_ALIGN_FUNCTIONS=0 -CONFIG_CC_ALIGN_LABELS=0 -CONFIG_CC_ALIGN_LOOPS=0 -CONFIG_CC_ALIGN_JUMPS=0 -# CONFIG_TINY_SHMEM is not set -CONFIG_BASE_SMALL=0 - -# -# Loadable module support -# -# CONFIG_MODULES is not set - -# -# Fujitsu FR-V system setup -# +CONFIG_EXPERT=y +# CONFIG_HOTPLUG is not set CONFIG_MMU=y CONFIG_FRV_OUTOFLINE_ATOMIC_OPS=y -CONFIG_HIGHMEM=y -CONFIG_HIGHPTE=y -CONFIG_SELECT_MEMORY_MODEL=y -CONFIG_FLATMEM_MANUAL=y -# CONFIG_DISCONTIGMEM_MANUAL is not set -# CONFIG_SPARSEMEM_MANUAL is not set -CONFIG_FLATMEM=y -CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_FRV_DEFL_CACHE_WBACK is not set -# CONFIG_FRV_DEFL_CACHE_WBEHIND is not set CONFIG_FRV_DEFL_CACHE_WTHRU=y -# CONFIG_FRV_DEFL_CACHE_DISABLED is not set - -# -# CPU core support -# -CONFIG_CPU_FR451=y -CONFIG_CPU_FR451_COMPILE=y -CONFIG_FRV_L1_CACHE_SHIFT=5 -CONFIG_MB93091_VDK=y -# CONFIG_MB93093_PDK is not set -CONFIG_MB93090_MB00=y -# CONFIG_MB93091_NO_MB is not set -# CONFIG_GPREL_DATA_8 is not set CONFIG_GPREL_DATA_4=y -# CONFIG_GPREL_DATA_NONE is not set -CONFIG_PCI=y -# CONFIG_PCI_LEGACY_PROC is not set -# CONFIG_PCI_NAMES is not set -# CONFIG_PCI_DEBUG is not set -# CONFIG_PCMCIA is not set - -# -# Power management options -# -# CONFIG_PM is not set - -# -# Executable formats -# -# CONFIG_BINFMT_ELF is not set -CONFIG_BINFMT_ELF_FDPIC=y -# CONFIG_BINFMT_MISC is not set - -# -# Device Drivers -# - -# -# Generic Driver Options -# -# CONFIG_STANDALONE is not set -# CONFIG_PREVENT_FIRMWARE_BUILD is not set -# CONFIG_FW_LOADER is not set -# CONFIG_DEBUG_DRIVER is not set - -# -# Connector - unified userspace <-> kernelspace linker -# -# CONFIG_CONNECTOR is not set -# CONFIG_FORK_CONNECTOR is not set - -# -# Memory Technology Devices (MTD) -# -# CONFIG_MTD is not set - -# -# Parallel port support -# -# CONFIG_PARPORT is not set - -# -# Plug and Play support -# - -# -# Block devices -# -# CONFIG_BLK_DEV_FD is not set -# CONFIG_BLK_CPQ_DA is not set -# CONFIG_BLK_CPQ_CISS_DA is not set -# CONFIG_BLK_DEV_DAC960 is not set -# CONFIG_BLK_DEV_UMEM is not set -# CONFIG_BLK_DEV_COW_COMMON is not set -# CONFIG_BLK_DEV_LOOP is not set -# CONFIG_BLK_DEV_NBD is not set -# CONFIG_BLK_DEV_SX8 is not set -# CONFIG_BLK_DEV_RAM is not set -CONFIG_BLK_DEV_RAM_COUNT=16 -CONFIG_INITRAMFS_SOURCE="" -# CONFIG_CDROM_PKTCDVD is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y -# CONFIG_ATA_OVER_ETH is not set - -# -# ATA/ATAPI/MFM/RLL support -# -# CONFIG_IDE is not set - -# -# SCSI device support -# -# CONFIG_SCSI is not set - -# -# Multi-device support (RAID and LVM) -# -# CONFIG_MD is not set - -# -# Fusion MPT device support -# -# CONFIG_FUSION is not set - -# -# IEEE 1394 (FireWire) support -# -# CONFIG_IEEE1394 is not set - -# -# I2O device support -# -# CONFIG_I2O is not set - -# -# Networking support -# CONFIG_NET=y - -# -# Networking options -# CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y -# CONFIG_NET_KEY is not set CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set CONFIG_IP_PNP=y -# CONFIG_IP_PNP_DHCP is not set -# CONFIG_IP_PNP_BOOTP is not set -# CONFIG_IP_PNP_RARP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_INET_AH is not set -# CONFIG_INET_ESP is not set -# CONFIG_INET_IPCOMP is not set -# CONFIG_INET_TUNNEL is not set -# CONFIG_IP_TCPDIAG is not set -# CONFIG_IP_TCPDIAG_IPV6 is not set # CONFIG_IPV6 is not set -# CONFIG_NETFILTER is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# -# CONFIG_IP_SCTP is not set -# CONFIG_ATM is not set -# CONFIG_BRIDGE is not set -# CONFIG_VLAN_8021Q is not set -# CONFIG_DECNET is not set -# CONFIG_LLC2 is not set -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set - -# -# Network testing -# -# CONFIG_NET_PKTGEN is not set -# CONFIG_KGDBOE is not set -# CONFIG_NETPOLL is not set -# CONFIG_NETPOLL_RX is not set -# CONFIG_NETPOLL_TRAP is not set -# CONFIG_NET_POLL_CONTROLLER is not set -# CONFIG_HAMRADIO is not set -# CONFIG_IRDA is not set -# CONFIG_BT is not set -# CONFIG_IEEE80211 is not set +# CONFIG_STANDALONE is not set +# CONFIG_PREVENT_FIRMWARE_BUILD is not set CONFIG_NETDEVICES=y -# CONFIG_DUMMY is not set -# CONFIG_BONDING is not set -# CONFIG_EQUALIZER is not set -# CONFIG_TUN is not set - -# -# ARCnet devices -# -# CONFIG_ARCNET is not set - -# -# Ethernet (10 or 100Mbit) -# CONFIG_NET_ETHERNET=y CONFIG_MII=y -# CONFIG_HAPPYMEAL is not set -# CONFIG_SUNGEM is not set -# CONFIG_NET_VENDOR_3COM is not set - -# -# Tulip family network device support -# -# CONFIG_NET_TULIP is not set -# CONFIG_HP100 is not set CONFIG_NET_PCI=y -# CONFIG_PCNET32 is not set -# CONFIG_AMD8111_ETH is not set -# CONFIG_ADAPTEC_STARFIRE is not set -# CONFIG_B44 is not set -# CONFIG_FORCEDETH is not set -# CONFIG_DGRS is not set -# CONFIG_EEPRO100 is not set -# CONFIG_E100 is not set -# CONFIG_FEALNX is not set -# CONFIG_NATSEMI is not set CONFIG_NE2K_PCI=y -# CONFIG_8139CP is not set -# CONFIG_8139TOO is not set -# CONFIG_SIS900 is not set -# CONFIG_EPIC100 is not set -# CONFIG_SUNDANCE is not set -# CONFIG_TLAN is not set -# CONFIG_VIA_RHINE is not set - -# -# Ethernet (1000 Mbit) -# -# CONFIG_ACENIC is not set -# CONFIG_DL2K is not set -# CONFIG_E1000 is not set -# CONFIG_NS83820 is not set -# CONFIG_HAMACHI is not set -# CONFIG_YELLOWFIN is not set -# CONFIG_R8169 is not set -# CONFIG_SKGE is not set -# CONFIG_SK98LIN is not set -# CONFIG_VIA_VELOCITY is not set -# CONFIG_TIGON3 is not set - -# -# Ethernet (10000 Mbit) -# -# CONFIG_CHELSIO_T1 is not set -# CONFIG_IXGB is not set -# CONFIG_S2IO is not set - -# -# Token Ring devices -# -# CONFIG_TR is not set - -# -# Wireless LAN (non-hamradio) -# -# CONFIG_NET_RADIO is not set - -# -# Wan interfaces -# -# CONFIG_WAN is not set -# CONFIG_FDDI is not set -# CONFIG_HIPPI is not set -# CONFIG_PPP is not set -# CONFIG_SLIP is not set -# CONFIG_SHAPER is not set -# CONFIG_NETCONSOLE is not set - -# -# ISDN subsystem -# -# CONFIG_ISDN is not set - -# -# Telephony Support -# -# CONFIG_PHONE is not set - -# -# Input device support -# # CONFIG_INPUT is not set - -# -# Hardware I/O ports -# # CONFIG_SERIO is not set -# CONFIG_GAMEPORT is not set - -# -# Character devices -# # CONFIG_VT is not set -# CONFIG_SERIAL_NONSTANDARD is not set - -# -# Serial drivers -# -CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_NR_UARTS=1 +CONFIG_SERIAL_8250_RUNTIME_UARTS=1 CONFIG_SERIAL_8250_EXTENDED=y -# CONFIG_SERIAL_8250_MANY_PORTS is not set CONFIG_SERIAL_8250_SHARE_IRQ=y -# CONFIG_SERIAL_8250_DETECT_IRQ is not set -# CONFIG_SERIAL_8250_MULTIPORT is not set -# CONFIG_SERIAL_8250_RSA is not set - -# -# Non-8250 serial port support -# -CONFIG_SERIAL_CORE=y -CONFIG_SERIAL_CORE_CONSOLE=y -# CONFIG_SERIAL_JSM is not set -CONFIG_UNIX98_PTYS=y # CONFIG_LEGACY_PTYS is not set - -# -# IPMI -# -# CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# -# CONFIG_WATCHDOG is not set -# CONFIG_RTC is not set -# CONFIG_GEN_RTC is not set -# CONFIG_DTLK is not set -# CONFIG_R3964 is not set -# CONFIG_APPLICOM is not set - -# -# Ftape, the floppy tape device driver -# -# CONFIG_DRM is not set -# CONFIG_RAW_DRIVER is not set - -# -# TPM devices -# -# CONFIG_TCG_TPM is not set - -# -# I2C support -# -# CONFIG_I2C is not set - -# -# Dallas's 1-wire bus -# -# CONFIG_W1 is not set - -# -# Misc devices -# - -# -# Multimedia devices -# -# CONFIG_VIDEO_DEV is not set - -# -# Digital Video Broadcasting Devices -# -# CONFIG_DVB is not set - -# -# Graphics support -# -# CONFIG_FB is not set - -# -# Sound -# -# CONFIG_SOUND is not set - -# -# USB support -# -CONFIG_USB_ARCH_HAS_HCD=y -CONFIG_USB_ARCH_HAS_OHCI=y -# CONFIG_USB is not set - -# -# USB Gadget Support -# -# CONFIG_USB_GADGET is not set - -# -# MMC/SD Card support -# -# CONFIG_MMC is not set - -# -# InfiniBand support -# -# CONFIG_INFINIBAND is not set - -# -# File systems -# -# CONFIG_EXT2_FS is not set -# CONFIG_EXT3_FS is not set -# CONFIG_JBD is not set -# CONFIG_REISER4_FS is not set -# CONFIG_REISERFS_FS is not set -# CONFIG_JFS_FS is not set - -# -# XFS support -# -# CONFIG_XFS_FS is not set -# CONFIG_MINIX_FS is not set -# CONFIG_ROMFS_FS is not set -CONFIG_INOTIFY=y -# CONFIG_QUOTA is not set -CONFIG_DNOTIFY=y -# CONFIG_AUTOFS_FS is not set -# CONFIG_AUTOFS4_FS is not set - -# -# Caches -# -# CONFIG_FSCACHE is not set -# CONFIG_FUSE_FS is not set - -# -# CD-ROM/DVD Filesystems -# -# CONFIG_ISO9660_FS is not set -# CONFIG_UDF_FS is not set - -# -# DOS/FAT/NT Filesystems -# -# CONFIG_MSDOS_FS is not set -# CONFIG_VFAT_FS is not set -# CONFIG_NTFS_FS is not set - -# -# Pseudo filesystems -# -CONFIG_PROC_FS=y -# CONFIG_PROC_KCORE is not set -CONFIG_SYSFS=y -# CONFIG_DEVFS_FS is not set -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -# CONFIG_TMPFS_XATTR is not set -# CONFIG_HUGETLB_PAGE is not set -CONFIG_RAMFS=y -# CONFIG_RELAYFS_FS is not set - -# -# Miscellaneous filesystems -# -# CONFIG_ADFS_FS is not set -# CONFIG_AFFS_FS is not set -# CONFIG_HFS_FS is not set -# CONFIG_HFSPLUS_FS is not set -# CONFIG_BEFS_FS is not set -# CONFIG_BFS_FS is not set -# CONFIG_EFS_FS is not set -# CONFIG_CRAMFS is not set -# CONFIG_VXFS_FS is not set -# CONFIG_HPFS_FS is not set -# CONFIG_QNX4FS_FS is not set -# CONFIG_SYSV_FS is not set -# CONFIG_UFS_FS is not set - -# -# Network File Systems -# CONFIG_NFS_FS=y -# CONFIG_NFS_V3 is not set -# CONFIG_NFS_V4 is not set -# CONFIG_NFS_DIRECTIO is not set -# CONFIG_NFSD is not set CONFIG_ROOT_NFS=y -CONFIG_LOCKD=y -CONFIG_NFS_COMMON=y -CONFIG_SUNRPC=y -# CONFIG_RPCSEC_GSS_KRB5 is not set -# CONFIG_RPCSEC_GSS_SPKM3 is not set -# CONFIG_SMB_FS is not set -# CONFIG_CIFS is not set -# CONFIG_NCP_FS is not set -# CONFIG_CODA_FS is not set -# CONFIG_AFS_FS is not set - -# -# Partition Types -# -# CONFIG_PARTITION_ADVANCED is not set -CONFIG_MSDOS_PARTITION=y - -# -# Native Language Support -# -# CONFIG_NLS is not set - -# -# Kernel hacking -# -# CONFIG_PRINTK_TIME is not set CONFIG_DEBUG_KERNEL=y -# CONFIG_MAGIC_SYSRQ is not set -CONFIG_LOG_BUF_SHIFT=14 -CONFIG_DETECT_SOFTLOCKUP=y -# CONFIG_SCHEDSTATS is not set -# CONFIG_DEBUG_SLAB is not set -# CONFIG_DEBUG_SPINLOCK is not set -# CONFIG_DEBUG_SPINLOCK_SLEEP is not set -# CONFIG_DEBUG_KOBJECT is not set -# CONFIG_DEBUG_HIGHMEM is not set # CONFIG_DEBUG_BUGVERBOSE is not set -# CONFIG_DEBUG_INFO is not set -# CONFIG_DEBUG_FS is not set -# CONFIG_FRAME_POINTER is not set -# CONFIG_EARLY_PRINTK is not set CONFIG_DEBUG_STACKOVERFLOW=y -# CONFIG_DEBUG_PAGEALLOC is not set -# CONFIG_GDBSTUB is not set - -# -# Security options -# -# CONFIG_KEYS is not set -# CONFIG_SECURITY is not set - -# -# Cryptographic options -# -# CONFIG_CRYPTO is not set - -# -# Hardware crypto devices -# - -# -# Library routines -# -# CONFIG_CRC_CCITT is not set -CONFIG_CRC32=y -# CONFIG_LIBCRC32C is not set diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild index 0f8956def73..87b95eb8aee 100644 --- a/arch/frv/include/asm/Kbuild +++ b/arch/frv/include/asm/Kbuild @@ -1,5 +1,8 @@ -include include/asm-generic/Kbuild.asm -header-y += registers.h - -unifdef-y += termios.h +generic-y += clkdev.h +generic-y += cputime.h +generic-y += exec.h +generic-y += hash.h +generic-y += mcs_spinlock.h +generic-y += preempt.h +generic-y += trace_clock.h diff --git a/arch/frv/include/asm/asm-offsets.h b/arch/frv/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/frv/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h index 296c35cfb20..f6c3a169010 100644 --- a/arch/frv/include/asm/atomic.h +++ b/arch/frv/include/asm/atomic.h @@ -16,7 +16,8 @@ #include <linux/types.h> #include <asm/spr-regs.h> -#include <asm/system.h> +#include <asm/cmpxchg.h> +#include <asm/barrier.h> #ifdef CONFIG_SMP #error not SMP safe @@ -29,14 +30,8 @@ * We do not have SMP systems, so we don't have to deal with that. */ -/* Atomic operations are already serializing */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - #define ATOMIC_INIT(i) { (i) } -#define atomic_read(v) ((v)->counter) +#define atomic_read(v) (*(volatile int *)&(v)->counter) #define atomic_set(v, i) (((v)->counter) = (i)) #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS @@ -121,63 +116,72 @@ static inline void atomic_dec(atomic_t *v) #define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) #define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0) -/*****************************************************************************/ /* - * exchange value with memory + * 64-bit atomic ops */ -#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS +typedef struct { + volatile long long counter; +} atomic64_t; -#define xchg(ptr, x) \ -({ \ - __typeof__(ptr) __xg_ptr = (ptr); \ - __typeof__(*(ptr)) __xg_orig; \ - \ - switch (sizeof(__xg_orig)) { \ - case 4: \ - asm volatile( \ - "swap%I0 %M0,%1" \ - : "+m"(*__xg_ptr), "=r"(__xg_orig) \ - : "1"(x) \ - : "memory" \ - ); \ - break; \ - \ - default: \ - __xg_orig = (__typeof__(__xg_orig))0; \ - asm volatile("break"); \ - break; \ - } \ - \ - __xg_orig; \ -}) +#define ATOMIC64_INIT(i) { (i) } -#else +static inline long long atomic64_read(atomic64_t *v) +{ + long long counter; -extern uint32_t __xchg_32(uint32_t i, volatile void *v); - -#define xchg(ptr, x) \ -({ \ - __typeof__(ptr) __xg_ptr = (ptr); \ - __typeof__(*(ptr)) __xg_orig; \ - \ - switch (sizeof(__xg_orig)) { \ - case 4: __xg_orig = (__typeof__(*(ptr))) __xchg_32((uint32_t) x, __xg_ptr); break; \ - default: \ - __xg_orig = (__typeof__(__xg_orig))0; \ - asm volatile("break"); \ - break; \ - } \ - __xg_orig; \ -}) + asm("ldd%I1 %M1,%0" + : "=e"(counter) + : "m"(v->counter)); + return counter; +} -#endif +static inline void atomic64_set(atomic64_t *v, long long i) +{ + asm volatile("std%I0 %1,%M0" + : "=m"(v->counter) + : "e"(i)); +} + +extern long long atomic64_inc_return(atomic64_t *v); +extern long long atomic64_dec_return(atomic64_t *v); +extern long long atomic64_add_return(long long i, atomic64_t *v); +extern long long atomic64_sub_return(long long i, atomic64_t *v); + +static inline long long atomic64_add_negative(long long i, atomic64_t *v) +{ + return atomic64_add_return(i, v) < 0; +} + +static inline void atomic64_add(long long i, atomic64_t *v) +{ + atomic64_add_return(i, v); +} + +static inline void atomic64_sub(long long i, atomic64_t *v) +{ + atomic64_sub_return(i, v); +} + +static inline void atomic64_inc(atomic64_t *v) +{ + atomic64_inc_return(v); +} + +static inline void atomic64_dec(atomic64_t *v) +{ + atomic64_dec_return(v); +} -#define tas(ptr) (xchg((ptr), 1)) +#define atomic64_sub_and_test(i,v) (atomic64_sub_return((i), (v)) == 0) +#define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) +#define atomic64_inc_and_test(v) (atomic64_inc_return((v)) == 0) -#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new)) -#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) +#define atomic_cmpxchg(v, old, new) (cmpxchg(&(v)->counter, old, new)) +#define atomic_xchg(v, new) (xchg(&(v)->counter, new)) +#define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter)) +#define atomic64_xchg(v, new) (__xchg_64(new, &(v)->counter)) -static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; c = atomic_read(v); @@ -189,10 +193,8 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) break; c = old; } - return c != (u); + return c; } -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -#include <asm-generic/atomic.h> #endif /* _ASM_ATOMIC_H */ diff --git a/arch/frv/include/asm/barrier.h b/arch/frv/include/asm/barrier.h new file mode 100644 index 00000000000..abbef470154 --- /dev/null +++ b/arch/frv/include/asm/barrier.h @@ -0,0 +1,23 @@ +/* FR-V CPU memory barrier definitions + * + * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _ASM_BARRIER_H +#define _ASM_BARRIER_H + +#define nop() asm volatile ("nop"::) + +#define mb() asm volatile ("membar" : : :"memory") +#define rmb() asm volatile ("membar" : : :"memory") +#define wmb() asm volatile ("membar" : : :"memory") + +#include <asm-generic/barrier.h> + +#endif /* _ASM_BARRIER_H */ diff --git a/arch/frv/include/asm/bitops.h b/arch/frv/include/asm/bitops.h index 50ae91b2967..96de220ef13 100644 --- a/arch/frv/include/asm/bitops.h +++ b/arch/frv/include/asm/bitops.h @@ -25,12 +25,6 @@ #include <asm-generic/bitops/ffz.h> -/* - * clear_bit() doesn't provide any barrier for the compiler. - */ -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() - #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS static inline unsigned long atomic_test_and_ANDNOT_mask(unsigned long mask, volatile unsigned long *v) @@ -401,12 +395,9 @@ int __ilog2_u64(u64 n) #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/lock.h> -#include <asm-generic/bitops/ext2-non-atomic.h> - -#define ext2_set_bit_atomic(lock,nr,addr) test_and_set_bit ((nr) ^ 0x18, (addr)) -#define ext2_clear_bit_atomic(lock,nr,addr) test_and_clear_bit((nr) ^ 0x18, (addr)) +#include <asm-generic/bitops/le.h> -#include <asm-generic/bitops/minix-le.h> +#include <asm-generic/bitops/ext2-atomic-setbit.h> #endif /* __KERNEL__ */ diff --git a/arch/frv/include/asm/bug.h b/arch/frv/include/asm/bug.h index 2e054508a2f..dd01bcf42ee 100644 --- a/arch/frv/include/asm/bug.h +++ b/arch/frv/include/asm/bug.h @@ -51,4 +51,6 @@ do { \ #include <asm-generic/bug.h> +extern void die_if_kernel(const char *, ...) __attribute__((format(printf, 1, 2))); + #endif diff --git a/arch/frv/include/asm/cacheflush.h b/arch/frv/include/asm/cacheflush.h index 432a69e7f3d..edbac54ae01 100644 --- a/arch/frv/include/asm/cacheflush.h +++ b/arch/frv/include/asm/cacheflush.h @@ -47,6 +47,7 @@ static inline void __flush_cache_all(void) } /* dcache/icache coherency... */ +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 #ifdef CONFIG_MMU extern void flush_dcache_page(struct page *page); #else diff --git a/arch/frv/include/asm/cmpxchg.h b/arch/frv/include/asm/cmpxchg.h new file mode 100644 index 00000000000..5b04dd0aeca --- /dev/null +++ b/arch/frv/include/asm/cmpxchg.h @@ -0,0 +1,172 @@ +/* xchg and cmpxchg operation emulation for FR-V + * + * For an explanation of how atomic ops work in this arch, see: + * Documentation/frv/atomic-ops.txt + * + * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _ASM_CMPXCHG_H +#define _ASM_CMPXCHG_H + +#include <linux/types.h> + +/*****************************************************************************/ +/* + * exchange value with memory + */ +extern uint64_t __xchg_64(uint64_t i, volatile void *v); + +#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS + +#define xchg(ptr, x) \ +({ \ + __typeof__(ptr) __xg_ptr = (ptr); \ + __typeof__(*(ptr)) __xg_orig; \ + \ + switch (sizeof(__xg_orig)) { \ + case 4: \ + asm volatile( \ + "swap%I0 %M0,%1" \ + : "+m"(*__xg_ptr), "=r"(__xg_orig) \ + : "1"(x) \ + : "memory" \ + ); \ + break; \ + \ + default: \ + __xg_orig = (__typeof__(__xg_orig))0; \ + asm volatile("break"); \ + break; \ + } \ + \ + __xg_orig; \ +}) + +#else + +extern uint32_t __xchg_32(uint32_t i, volatile void *v); + +#define xchg(ptr, x) \ +({ \ + __typeof__(ptr) __xg_ptr = (ptr); \ + __typeof__(*(ptr)) __xg_orig; \ + \ + switch (sizeof(__xg_orig)) { \ + case 4: __xg_orig = (__typeof__(*(ptr))) __xchg_32((uint32_t) x, __xg_ptr); break; \ + default: \ + __xg_orig = (__typeof__(__xg_orig))0; \ + asm volatile("break"); \ + break; \ + } \ + __xg_orig; \ +}) + +#endif + +#define tas(ptr) (xchg((ptr), 1)) + +/*****************************************************************************/ +/* + * compare and conditionally exchange value with memory + * - if (*ptr == test) then orig = *ptr; *ptr = test; + * - if (*ptr != test) then orig = *ptr; + */ +extern uint64_t __cmpxchg_64(uint64_t test, uint64_t new, volatile uint64_t *v); + +#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS + +#define cmpxchg(ptr, test, new) \ +({ \ + __typeof__(ptr) __xg_ptr = (ptr); \ + __typeof__(*(ptr)) __xg_orig, __xg_tmp; \ + __typeof__(*(ptr)) __xg_test = (test); \ + __typeof__(*(ptr)) __xg_new = (new); \ + \ + switch (sizeof(__xg_orig)) { \ + case 4: \ + asm volatile( \ + "0: \n" \ + " orcc gr0,gr0,gr0,icc3 \n" \ + " ckeq icc3,cc7 \n" \ + " ld.p %M0,%1 \n" \ + " orcr cc7,cc7,cc3 \n" \ + " sub%I4cc %1,%4,%2,icc0 \n" \ + " bne icc0,#0,1f \n" \ + " cst.p %3,%M0 ,cc3,#1 \n" \ + " corcc gr29,gr29,gr0 ,cc3,#1 \n" \ + " beq icc3,#0,0b \n" \ + "1: \n" \ + : "+U"(*__xg_ptr), "=&r"(__xg_orig), "=&r"(__xg_tmp) \ + : "r"(__xg_new), "NPr"(__xg_test) \ + : "memory", "cc7", "cc3", "icc3", "icc0" \ + ); \ + break; \ + \ + default: \ + __xg_orig = (__typeof__(__xg_orig))0; \ + asm volatile("break"); \ + break; \ + } \ + \ + __xg_orig; \ +}) + +#else + +extern uint32_t __cmpxchg_32(uint32_t *v, uint32_t test, uint32_t new); + +#define cmpxchg(ptr, test, new) \ +({ \ + __typeof__(ptr) __xg_ptr = (ptr); \ + __typeof__(*(ptr)) __xg_orig; \ + __typeof__(*(ptr)) __xg_test = (test); \ + __typeof__(*(ptr)) __xg_new = (new); \ + \ + switch (sizeof(__xg_orig)) { \ + case 4: __xg_orig = (__force __typeof__(*ptr)) \ + __cmpxchg_32((__force uint32_t *)__xg_ptr, \ + (__force uint32_t)__xg_test, \ + (__force uint32_t)__xg_new); break; \ + default: \ + __xg_orig = (__typeof__(__xg_orig))0; \ + asm volatile("break"); \ + break; \ + } \ + \ + __xg_orig; \ +}) + +#endif + +#include <asm-generic/cmpxchg-local.h> + +static inline unsigned long __cmpxchg_local(volatile void *ptr, + unsigned long old, + unsigned long new, int size) +{ + switch (size) { + case 4: + return cmpxchg((unsigned long *)ptr, old, new); + default: + return __cmpxchg_local_generic(ptr, old, new, size); + } + + return old; +} + +/* + * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make + * them available. + */ +#define cmpxchg_local(ptr, o, n) \ + ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ + (unsigned long)(n), sizeof(*(ptr)))) +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) + +#endif /* _ASM_CMPXCHG_H */ diff --git a/arch/frv/include/asm/cpumask.h b/arch/frv/include/asm/cpumask.h deleted file mode 100644 index d999c20c84d..00000000000 --- a/arch/frv/include/asm/cpumask.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_CPUMASK_H -#define _ASM_CPUMASK_H - -#include <asm-generic/cpumask.h> - -#endif /* _ASM_CPUMASK_H */ diff --git a/arch/frv/include/asm/cputime.h b/arch/frv/include/asm/cputime.h deleted file mode 100644 index f6c373ad2b8..00000000000 --- a/arch/frv/include/asm/cputime.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_CPUTIME_H -#define _ASM_CPUTIME_H - -#include <asm-generic/cputime.h> - -#endif /* _ASM_CPUTIME_H */ diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h index b2898877c07..1746a2b8e6e 100644 --- a/arch/frv/include/asm/dma-mapping.h +++ b/arch/frv/include/asm/dma-mapping.h @@ -7,6 +7,11 @@ #include <asm/scatterlist.h> #include <asm/io.h> +/* + * See Documentation/DMA-API.txt for the description of how the + * following DMA API should work. + */ + #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) @@ -16,24 +21,9 @@ extern unsigned long __nongprelbss dma_coherent_mem_end; void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp); void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle); -/* - * Map a single buffer of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Once the device is given the dma address, the device owns this memory - * until either pci_unmap_single or pci_dma_sync_single is performed. - */ extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction direction); -/* - * Unmap a single streaming mode DMA translation. The dma_addr and size - * must match what was provided for in a previous pci_map_single call. All - * other usages are undefined. - * - * After this call, reads by the cpu to the buffer are guarenteed to see - * whatever the device wrote there. - */ static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction) @@ -41,30 +31,9 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, BUG_ON(direction == DMA_NONE); } -/* - * Map a set of buffers described by scatterlist in streaming - * mode for DMA. This is the scather-gather version of the - * above pci_map_single interface. Here the scatter gather list - * elements are each tagged with the appropriate dma address - * and length. They are obtained via sg_dma_{address,length}(SG). - * - * NOTE: An implementation may be able to use a smaller number of - * DMA address/length pairs than there are SG table elements. - * (for example via virtual mapping capabilities) - * The routine returns the number of addr/length pairs actually - * used, at most nents. - * - * Device ownership issues as mentioned above for pci_map_single are - * the same here. - */ extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction); -/* - * Unmap a set of streaming mode DMA translations. - * Again, cpu read rules concerning calls here are the same as for - * pci_unmap_single() above. - */ static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, enum dma_data_direction direction) @@ -157,18 +126,25 @@ int dma_set_mask(struct device *dev, u64 mask) } static inline -int dma_get_cache_alignment(void) +void dma_cache_sync(struct device *dev, void *vaddr, size_t size, + enum dma_data_direction direction) { - return 1 << L1_CACHE_SHIFT; + flush_write_buffers(); } -#define dma_is_consistent(d, h) (1) +/* Not supported for now */ +static inline int dma_mmap_coherent(struct device *dev, + struct vm_area_struct *vma, void *cpu_addr, + dma_addr_t dma_addr, size_t size) +{ + return -EINVAL; +} -static inline -void dma_cache_sync(struct device *dev, void *vaddr, size_t size, - enum dma_data_direction direction) +static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size) { - flush_write_buffers(); + return -EINVAL; } #endif /* _ASM_DMA_MAPPING_H */ diff --git a/arch/frv/include/asm/elf.h b/arch/frv/include/asm/elf.h index 7bbf6e47f8c..2bac6446db4 100644 --- a/arch/frv/include/asm/elf.h +++ b/arch/frv/include/asm/elf.h @@ -115,7 +115,6 @@ do { \ __kernel_frame0_ptr->gr29 = 0; \ } while(0) -#define USE_ELF_CORE_DUMP #define CORE_DUMP_USE_REGSET #define ELF_FDPIC_CORE_EFLAGS EF_FRV_FDPIC #define ELF_EXEC_PAGESIZE 16384 @@ -138,6 +137,4 @@ do { \ #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex) set_personality(PER_LINUX) - #endif diff --git a/arch/frv/include/asm/futex.h b/arch/frv/include/asm/futex.h index 08b3d1da358..4bea27f50a7 100644 --- a/arch/frv/include/asm/futex.h +++ b/arch/frv/include/asm/futex.h @@ -7,10 +7,11 @@ #include <asm/errno.h> #include <asm/uaccess.h> -extern int futex_atomic_op_inuser(int encoded_op, int __user *uaddr); +extern int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr); static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { return -ENOSYS; } diff --git a/arch/frv/include/asm/gdb-stub.h b/arch/frv/include/asm/gdb-stub.h index 24f9738670b..e6bedd0cd9a 100644 --- a/arch/frv/include/asm/gdb-stub.h +++ b/arch/frv/include/asm/gdb-stub.h @@ -12,6 +12,7 @@ #ifndef __ASM_GDB_STUB_H #define __ASM_GDB_STUB_H +#undef GDBSTUB_DEBUG_IO #undef GDBSTUB_DEBUG_PROTOCOL #include <asm/ptrace.h> @@ -90,7 +91,6 @@ extern void gdbstub_do_rx(void); extern asmlinkage void __debug_stub_init_break(void); extern asmlinkage void __break_hijack_kernel_event(void); extern asmlinkage void __break_hijack_kernel_event_breaks_here(void); -extern asmlinkage void start_kernel(void); extern asmlinkage void gdbstub_rx_handler(void); extern asmlinkage void gdbstub_rx_irq(void); @@ -109,6 +109,12 @@ extern void gdbstub_printk(const char *fmt, ...); extern void debug_to_serial(const char *p, int n); extern void console_set_baud(unsigned baud); +#ifdef GDBSTUB_DEBUG_IO +#define gdbstub_io(FMT,...) gdbstub_printk(FMT, ##__VA_ARGS__) +#else +#define gdbstub_io(FMT,...) ({ 0; }) +#endif + #ifdef GDBSTUB_DEBUG_PROTOCOL #define gdbstub_proto(FMT,...) gdbstub_printk(FMT,##__VA_ARGS__) #else diff --git a/arch/frv/include/asm/hardirq.h b/arch/frv/include/asm/hardirq.h index fc47515822a..c62833d6ebb 100644 --- a/arch/frv/include/asm/hardirq.h +++ b/arch/frv/include/asm/hardirq.h @@ -12,24 +12,15 @@ #ifndef __ASM_HARDIRQ_H #define __ASM_HARDIRQ_H -#include <linux/threads.h> -#include <linux/irq.h> - -typedef struct { - unsigned int __softirq_pending; - unsigned long idle_timestamp; -} ____cacheline_aligned irq_cpustat_t; - -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ - -#ifdef CONFIG_SMP -#error SMP not available on FR-V -#endif /* CONFIG_SMP */ +#include <linux/atomic.h> extern atomic_t irq_err_count; static inline void ack_bad_irq(int irq) { atomic_inc(&irq_err_count); } +#define ack_bad_irq ack_bad_irq + +#include <asm-generic/hardirq.h> #endif diff --git a/arch/frv/include/asm/highmem.h b/arch/frv/include/asm/highmem.h index 68e4677fb9e..b3adc93611f 100644 --- a/arch/frv/include/asm/highmem.h +++ b/arch/frv/include/asm/highmem.h @@ -76,15 +76,16 @@ extern struct page *kmap_atomic_to_page(void *ptr); #ifndef __ASSEMBLY__ -#define __kmap_atomic_primary(type, paddr, ampr) \ +#define __kmap_atomic_primary(cached, paddr, ampr) \ ({ \ unsigned long damlr, dampr; \ \ dampr = paddr | xAMPRx_L | xAMPRx_M | xAMPRx_S | xAMPRx_SS_16Kb | xAMPRx_V; \ \ - if (type != __KM_CACHE) \ + if (!cached) \ asm volatile("movgs %0,dampr"#ampr :: "r"(dampr) : "memory"); \ else \ + /* cache flush page attachment point */ \ asm volatile("movgs %0,iampr"#ampr"\n" \ "movgs %0,dampr"#ampr"\n" \ :: "r"(dampr) : "memory" \ @@ -112,38 +113,20 @@ extern struct page *kmap_atomic_to_page(void *ptr); (void *) damlr; \ }) -static inline void *kmap_atomic(struct page *page, enum km_type type) +static inline void *kmap_atomic_primary(struct page *page) { unsigned long paddr; pagefault_disable(); - debug_kmap_atomic(type); paddr = page_to_phys(page); - switch (type) { - case 0: return __kmap_atomic_primary(0, paddr, 2); - case 1: return __kmap_atomic_primary(1, paddr, 3); - case 2: return __kmap_atomic_primary(2, paddr, 4); - case 3: return __kmap_atomic_primary(3, paddr, 5); - case 4: return __kmap_atomic_primary(4, paddr, 6); - case 5: return __kmap_atomic_primary(5, paddr, 7); - case 6: return __kmap_atomic_primary(6, paddr, 8); - case 7: return __kmap_atomic_primary(7, paddr, 9); - case 8: return __kmap_atomic_primary(8, paddr, 10); - - case 9 ... 9 + NR_TLB_LINES - 1: - return __kmap_atomic_secondary(type - 9, paddr); - - default: - BUG(); - return NULL; - } + return __kmap_atomic_primary(1, paddr, 2); } -#define __kunmap_atomic_primary(type, ampr) \ +#define __kunmap_atomic_primary(cached, ampr) \ do { \ asm volatile("movgs gr0,dampr"#ampr"\n" ::: "memory"); \ - if (type == __KM_CACHE) \ + if (cached) \ asm volatile("movgs gr0,iampr"#ampr"\n" ::: "memory"); \ } while(0) @@ -152,29 +135,15 @@ do { \ asm volatile("tlbpr %0,gr0,#4,#1" : : "r"(vaddr) : "memory"); \ } while(0) -static inline void kunmap_atomic(void *kvaddr, enum km_type type) +static inline void kunmap_atomic_primary(void *kvaddr) { - switch (type) { - case 0: __kunmap_atomic_primary(0, 2); break; - case 1: __kunmap_atomic_primary(1, 3); break; - case 2: __kunmap_atomic_primary(2, 4); break; - case 3: __kunmap_atomic_primary(3, 5); break; - case 4: __kunmap_atomic_primary(4, 6); break; - case 5: __kunmap_atomic_primary(5, 7); break; - case 6: __kunmap_atomic_primary(6, 8); break; - case 7: __kunmap_atomic_primary(7, 9); break; - case 8: __kunmap_atomic_primary(8, 10); break; - - case 9 ... 9 + NR_TLB_LINES - 1: - __kunmap_atomic_secondary(type - 9, kvaddr); - break; - - default: - BUG(); - } + __kunmap_atomic_primary(1, 2); pagefault_enable(); } +void *kmap_atomic(struct page *page); +void __kunmap_atomic(void *kvaddr); + #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/frv/include/asm/io.h b/arch/frv/include/asm/io.h index ca7475e73b5..8cb50a2fbcb 100644 --- a/arch/frv/include/asm/io.h +++ b/arch/frv/include/asm/io.h @@ -21,6 +21,7 @@ #include <asm/virtconvert.h> #include <asm/string.h> #include <asm/mb-regs.h> +#include <asm-generic/pci_iomap.h> #include <linux/delay.h> /* @@ -370,7 +371,6 @@ static inline void iowrite32_rep(void __iomem *p, const void *src, unsigned long /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ struct pci_dev; -extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p) { } diff --git a/arch/frv/include/asm/ioctls.h b/arch/frv/include/asm/ioctls.h deleted file mode 100644 index d0c30e31fbd..00000000000 --- a/arch/frv/include/asm/ioctls.h +++ /dev/null @@ -1,86 +0,0 @@ -#ifndef __ASM_IOCTLS_H__ -#define __ASM_IOCTLS_H__ - -#include <asm/ioctl.h> - -/* 0x54 is just a magic number to make these relatively unique ('T') */ - -#define TCGETS 0x5401 -#define TCSETS 0x5402 -#define TCSETSW 0x5403 -#define TCSETSF 0x5404 -#define TCGETA 0x5405 -#define TCSETA 0x5406 -#define TCSETAW 0x5407 -#define TCSETAF 0x5408 -#define TCSBRK 0x5409 -#define TCXONC 0x540A -#define TCFLSH 0x540B -#define TIOCEXCL 0x540C -#define TIOCNXCL 0x540D -#define TIOCSCTTY 0x540E -#define TIOCGPGRP 0x540F -#define TIOCSPGRP 0x5410 -#define TIOCOUTQ 0x5411 -#define TIOCSTI 0x5412 -#define TIOCGWINSZ 0x5413 -#define TIOCSWINSZ 0x5414 -#define TIOCMGET 0x5415 -#define TIOCMBIS 0x5416 -#define TIOCMBIC 0x5417 -#define TIOCMSET 0x5418 -#define TIOCGSOFTCAR 0x5419 -#define TIOCSSOFTCAR 0x541A -#define FIONREAD 0x541B -#define TIOCINQ FIONREAD -#define TIOCLINUX 0x541C -#define TIOCCONS 0x541D -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TIOCPKT 0x5420 -#define FIONBIO 0x5421 -#define TIOCNOTTY 0x5422 -#define TIOCSETD 0x5423 -#define TIOCGETD 0x5424 -#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ -#define TIOCTTYGSTRUCT 0x5426 /* For debugging only */ -#define TIOCSBRK 0x5427 /* BSD compatibility */ -#define TIOCCBRK 0x5428 /* BSD compatibility */ -#define TIOCGSID 0x5429 /* Return the session ID of FD */ -#define TCGETS2 _IOR('T',0x2A, struct termios2) -#define TCSETS2 _IOW('T',0x2B, struct termios2) -#define TCSETSW2 _IOW('T',0x2C, struct termios2) -#define TCSETSF2 _IOW('T',0x2D, struct termios2) -#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ -#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ - -#define FIONCLEX 0x5450 /* these numbers need to be adjusted. */ -#define FIOCLEX 0x5451 -#define FIOASYNC 0x5452 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ - -#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ -#define FIOQSIZE 0x545E - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 - -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ - -#endif /* __ASM_IOCTLS_H__ */ - diff --git a/arch/frv/include/asm/ipcbuf.h b/arch/frv/include/asm/ipcbuf.h deleted file mode 100644 index b546f67e455..00000000000 --- a/arch/frv/include/asm/ipcbuf.h +++ /dev/null @@ -1,30 +0,0 @@ -#ifndef __ASM_IPCBUF_H__ -#define __ASM_IPCBUF_H__ - -/* - * The user_ipc_perm structure for FR-V architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __ASM_IPCBUF_H__ */ - diff --git a/arch/frv/include/asm/irqflags.h b/arch/frv/include/asm/irqflags.h new file mode 100644 index 00000000000..82f0b5363f4 --- /dev/null +++ b/arch/frv/include/asm/irqflags.h @@ -0,0 +1,158 @@ +/* FR-V interrupt handling + * + * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _ASM_IRQFLAGS_H +#define _ASM_IRQFLAGS_H + +/* + * interrupt flag manipulation + * - use virtual interrupt management since touching the PSR is slow + * - ICC2.Z: T if interrupts virtually disabled + * - ICC2.C: F if interrupts really disabled + * - if Z==1 upon interrupt: + * - C is set to 0 + * - interrupts are really disabled + * - entry.S returns immediately + * - uses TIHI (TRAP if Z==0 && C==0) #2 to really reenable interrupts + * - if taken, the trap: + * - sets ICC2.C + * - enables interrupts + */ +static inline void arch_local_irq_disable(void) +{ + /* set Z flag, but don't change the C flag */ + asm volatile(" andcc gr0,gr0,gr0,icc2 \n" + : + : + : "memory", "icc2" + ); +} + +static inline void arch_local_irq_enable(void) +{ + /* clear Z flag and then test the C flag */ + asm volatile(" oricc gr0,#1,gr0,icc2 \n" + " tihi icc2,gr0,#2 \n" + : + : + : "memory", "icc2" + ); +} + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + + asm volatile("movsg ccr,%0" + : "=r"(flags) + : + : "memory"); + + /* shift ICC2.Z to bit 0 */ + flags >>= 26; + + /* make flags 1 if interrupts disabled, 0 otherwise */ + return flags & 1UL; + +} + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags = arch_local_save_flags(); + arch_local_irq_disable(); + return flags; +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + /* load the Z flag by turning 1 if disabled into 0 if disabled + * and thus setting the Z flag but not the C flag */ + asm volatile(" xoricc %0,#1,gr0,icc2 \n" + /* then trap if Z=0 and C=0 */ + " tihi icc2,gr0,#2 \n" + : + : "r"(flags) + : "memory", "icc2" + ); + +} + +static inline bool arch_irqs_disabled_flags(unsigned long flags) +{ + return flags; +} + +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +/* + * real interrupt flag manipulation + */ +#define __arch_local_irq_disable() \ +do { \ + unsigned long psr; \ + asm volatile(" movsg psr,%0 \n" \ + " andi %0,%2,%0 \n" \ + " ori %0,%1,%0 \n" \ + " movgs %0,psr \n" \ + : "=r"(psr) \ + : "i" (PSR_PIL_14), "i" (~PSR_PIL) \ + : "memory"); \ +} while (0) + +#define __arch_local_irq_enable() \ +do { \ + unsigned long psr; \ + asm volatile(" movsg psr,%0 \n" \ + " andi %0,%1,%0 \n" \ + " movgs %0,psr \n" \ + : "=r"(psr) \ + : "i" (~PSR_PIL) \ + : "memory"); \ +} while (0) + +#define __arch_local_save_flags(flags) \ +do { \ + typecheck(unsigned long, flags); \ + asm("movsg psr,%0" \ + : "=r"(flags) \ + : \ + : "memory"); \ +} while (0) + +#define __arch_local_irq_save(flags) \ +do { \ + unsigned long npsr; \ + typecheck(unsigned long, flags); \ + asm volatile(" movsg psr,%0 \n" \ + " andi %0,%3,%1 \n" \ + " ori %1,%2,%1 \n" \ + " movgs %1,psr \n" \ + : "=r"(flags), "=r"(npsr) \ + : "i" (PSR_PIL_14), "i" (~PSR_PIL) \ + : "memory"); \ +} while (0) + +#define __arch_local_irq_restore(flags) \ +do { \ + typecheck(unsigned long, flags); \ + asm volatile(" movgs %0,psr \n" \ + : \ + : "r" (flags) \ + : "memory"); \ +} while (0) + +#define __arch_irqs_disabled() \ + ((__get_PSR() & PSR_PIL) >= PSR_PIL_14) + +#endif /* _ASM_IRQFLAGS_H */ diff --git a/arch/frv/include/asm/kmap_types.h b/arch/frv/include/asm/kmap_types.h index f8e16b2a580..43901f22096 100644 --- a/arch/frv/include/asm/kmap_types.h +++ b/arch/frv/include/asm/kmap_types.h @@ -2,28 +2,6 @@ #ifndef _ASM_KMAP_TYPES_H #define _ASM_KMAP_TYPES_H -enum km_type { - /* arch specific kmaps - change the numbers attached to these at your peril */ - __KM_CACHE, /* cache flush page attachment point */ - __KM_PGD, /* current page directory */ - __KM_ITLB_PTD, /* current instruction TLB miss page table lookup */ - __KM_DTLB_PTD, /* current data TLB miss page table lookup */ - - /* general kmaps */ - KM_BOUNCE_READ, - KM_SKB_SUNRPC_DATA, - KM_SKB_DATA_SOFTIRQ, - KM_USER0, - KM_USER1, - KM_BIO_SRC_IRQ, - KM_BIO_DST_IRQ, - KM_PTE0, - KM_PTE1, - KM_IRQ0, - KM_IRQ1, - KM_SOFTIRQ0, - KM_SOFTIRQ1, - KM_TYPE_NR -}; +#define KM_TYPE_NR 17 #endif diff --git a/arch/frv/include/asm/local64.h b/arch/frv/include/asm/local64.h new file mode 100644 index 00000000000..36c93b5cc23 --- /dev/null +++ b/arch/frv/include/asm/local64.h @@ -0,0 +1 @@ +#include <asm-generic/local64.h> diff --git a/arch/frv/include/asm/mem-layout.h b/arch/frv/include/asm/mem-layout.h index 2947764fc0e..e9a0ec85a40 100644 --- a/arch/frv/include/asm/mem-layout.h +++ b/arch/frv/include/asm/mem-layout.h @@ -35,8 +35,8 @@ * the slab must be aligned such that load- and store-double instructions don't * fault if used */ -#define ARCH_KMALLOC_MINALIGN 8 -#define ARCH_SLAB_MINALIGN 8 +#define ARCH_DMA_MINALIGN L1_CACHE_BYTES +#define ARCH_SLAB_MINALIGN L1_CACHE_BYTES /*****************************************************************************/ /* diff --git a/arch/frv/include/asm/mman.h b/arch/frv/include/asm/mman.h deleted file mode 100644 index b4371e92868..00000000000 --- a/arch/frv/include/asm/mman.h +++ /dev/null @@ -1,18 +0,0 @@ -#ifndef __ASM_MMAN_H__ -#define __ASM_MMAN_H__ - -#include <asm-generic/mman.h> - -#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ -#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ -#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ -#define MAP_LOCKED 0x2000 /* pages are locked */ -#define MAP_NORESERVE 0x4000 /* don't check for reservations */ -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ - -#define MCL_CURRENT 1 /* lock all current mappings */ -#define MCL_FUTURE 2 /* lock all future mappings */ - -#endif /* __ASM_MMAN_H__ */ - diff --git a/arch/frv/include/asm/module.h b/arch/frv/include/asm/module.h index 3d5c6360289..a8848f09a21 100644 --- a/arch/frv/include/asm/module.h +++ b/arch/frv/include/asm/module.h @@ -11,13 +11,7 @@ #ifndef _ASM_MODULE_H #define _ASM_MODULE_H -struct mod_arch_specific -{ -}; - -#define Elf_Shdr Elf32_Shdr -#define Elf_Sym Elf32_Sym -#define Elf_Ehdr Elf32_Ehdr +#include <asm-generic/module.h> /* * Include the architecture version. diff --git a/arch/frv/include/asm/page.h b/arch/frv/include/asm/page.h index bd9c220094c..8c97068ac8f 100644 --- a/arch/frv/include/asm/page.h +++ b/arch/frv/include/asm/page.h @@ -63,16 +63,14 @@ extern unsigned long max_pfn; #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) -#ifdef CONFIG_MMU #define VM_DATA_DEFAULT_FLAGS \ (VM_READ | VM_WRITE | \ ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -#endif #endif /* __ASSEMBLY__ */ #include <asm-generic/memory_model.h> -#include <asm-generic/page.h> +#include <asm-generic/getorder.h> #endif /* _ASM_PAGE_H */ diff --git a/arch/frv/include/asm/param.h b/arch/frv/include/asm/param.h deleted file mode 100644 index 6859dd503ed..00000000000 --- a/arch/frv/include/asm/param.h +++ /dev/null @@ -1,22 +0,0 @@ -#ifndef _ASM_PARAM_H -#define _ASM_PARAM_H - -#ifdef __KERNEL__ -#define HZ CONFIG_HZ /* Internal kernel timer frequency */ -#define USER_HZ 100 /* .. some user interfaces are in "ticks" */ -#define CLOCKS_PER_SEC (USER_HZ) /* like times() */ -#endif - -#ifndef HZ -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 16384 - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - -#endif /* _ASM_PARAM_H */ diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h index cc685e60b0f..2035a4d3f9b 100644 --- a/arch/frv/include/asm/pci.h +++ b/arch/frv/include/asm/pci.h @@ -10,8 +10,8 @@ * 2 of the License, or (at your option) any later version. */ -#ifndef ASM_PCI_H -#define ASM_PCI_H +#ifndef _ASM_FRV_PCI_H +#define _ASM_FRV_PCI_H #include <linux/mm.h> #include <asm/scatterlist.h> @@ -24,8 +24,6 @@ struct pci_dev; extern void pcibios_set_master(struct pci_dev *dev); -extern void pcibios_penalize_isa_irq(int irq); - #ifdef CONFIG_MMU extern void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle); extern void consistent_free(void *vaddr); @@ -43,20 +41,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, /* Return the index of the PCI controller for device PDEV. */ #define pci_controller_num(PDEV) (0) -/* The PCI address space does equal the physical memory - * address space. The networking and block device layers use - * this boolean for bounce buffer decisions. - */ -#define PCI_DMA_BUS_IS_PHYS (1) - -/* pci_unmap_{page,single} is a nop so... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) -#define pci_unmap_addr(PTR, ADDR_NAME) (0) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0) -#define pci_unmap_len(PTR, LEN_NAME) (0) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0) - #ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, @@ -68,48 +52,10 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, #endif /* - * These are pretty much arbitary with the CoMEM implementation. + * These are pretty much arbitrary with the CoMEM implementation. * We have the whole address space to ourselves. */ #define PCIBIOS_MIN_IO 0x100 #define PCIBIOS_MIN_MEM 0x00010000 -/* Make physical memory consistent for a single - * streaming mode DMA translation after a transfer. - * - * If you perform a pci_map_single() but wish to interrogate the - * buffer using the cpu, yet do not wish to teardown the PCI dma - * mapping, you must call this function before doing so. At the - * next point you give the PCI dma address back to the card, the - * device again owns the buffer. - */ -static inline void pci_dma_sync_single(struct pci_dev *hwdev, - dma_addr_t dma_handle, - size_t size, int direction) -{ - BUG_ON(direction == PCI_DMA_NONE); - - frv_cache_wback_inv((unsigned long)bus_to_virt(dma_handle), - (unsigned long)bus_to_virt(dma_handle) + size); -} - -/* Make physical memory consistent for a set of streaming - * mode DMA translations after a transfer. - * - * The same as pci_dma_sync_single but for a scatter-gather list, - * same rules and usage. - */ -static inline void pci_dma_sync_sg(struct pci_dev *hwdev, - struct scatterlist *sg, - int nelems, int direction) -{ - int i; - BUG_ON(direction == PCI_DMA_NONE); - - for (i = 0; i < nelems; i++) - frv_cache_wback_inv(sg_dma_address(&sg[i]), - sg_dma_address(&sg[i])+sg_dma_len(&sg[i])); -} - - -#endif +#endif /* _ASM_FRV_PCI_H */ diff --git a/arch/frv/include/asm/perf_event.h b/arch/frv/include/asm/perf_event.h new file mode 100644 index 00000000000..c52ea5546b5 --- /dev/null +++ b/arch/frv/include/asm/perf_event.h @@ -0,0 +1,15 @@ +/* FRV performance event support + * + * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef _ASM_PERF_EVENT_H +#define _ASM_PERF_EVENT_H + +#endif /* _ASM_PERF_EVENT_H */ diff --git a/arch/frv/include/asm/pgalloc.h b/arch/frv/include/asm/pgalloc.h index 971e6addb00..416d19a632f 100644 --- a/arch/frv/include/asm/pgalloc.h +++ b/arch/frv/include/asm/pgalloc.h @@ -49,7 +49,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) __free_page(pte); } -#define __pte_free_tlb(tlb,pte) \ +#define __pte_free_tlb(tlb,pte,address) \ do { \ pgtable_page_dtor(pte); \ tlb_remove_page((tlb),(pte)); \ @@ -62,7 +62,7 @@ do { \ */ #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *) 2); }) #define pmd_free(mm, x) do { } while (0) -#define __pmd_free_tlb(tlb,x) do { } while (0) +#define __pmd_free_tlb(tlb,x,a) do { } while (0) #endif /* CONFIG_MMU */ diff --git a/arch/frv/include/asm/pgtable.h b/arch/frv/include/asm/pgtable.h index 33233011b1c..eb0110acd19 100644 --- a/arch/frv/include/asm/pgtable.h +++ b/arch/frv/include/asm/pgtable.h @@ -225,7 +225,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address) */ #define pud_alloc_one(mm, address) NULL #define pud_free(mm, x) do { } while (0) -#define __pud_free_tlb(tlb, x) do { } while (0) +#define __pud_free_tlb(tlb, x, address) do { } while (0) /* * The "pud_xxx()" functions here are trivial for a folded two-level @@ -451,17 +451,12 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #if defined(CONFIG_HIGHPTE) #define pte_offset_map(dir, address) \ - ((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE0) + pte_index(address)) -#define pte_offset_map_nested(dir, address) \ - ((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE1) + pte_index(address)) -#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0) -#define pte_unmap_nested(pte) kunmap_atomic((pte), KM_PTE1) + ((pte_t *)kmap_atomic(pmd_page(*(dir))) + pte_index(address)) +#define pte_unmap(pte) kunmap_atomic(pte) #else #define pte_offset_map(dir, address) \ ((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address)) -#define pte_offset_map_nested(dir, address) pte_offset_map((dir), (address)) #define pte_unmap(pte) do { } while (0) -#define pte_unmap_nested(pte) do { } while (0) #endif /* @@ -493,9 +488,6 @@ static inline int pte_file(pte_t pte) #define PageSkip(page) (0) #define kern_addr_valid(addr) (1) -#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ - remap_pfn_range(vma, vaddr, pfn, size, prot) - #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG #define __HAVE_ARCH_PTEP_GET_AND_CLEAR #define __HAVE_ARCH_PTEP_SET_WRPROTECT @@ -505,7 +497,7 @@ static inline int pte_file(pte_t pte) /* * preload information about a newly instantiated PTE into the SCR0/SCR1 PGE cache */ -static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { struct mm_struct *mm; unsigned long ampr; diff --git a/arch/frv/include/asm/posix_types.h b/arch/frv/include/asm/posix_types.h deleted file mode 100644 index a9f1f5be063..00000000000 --- a/arch/frv/include/asm/posix_types.h +++ /dev/null @@ -1,62 +0,0 @@ -#ifndef _ASM_POSIX_TYPES_H -#define _ASM_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_nlink_t; -typedef long __kernel_off_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -typedef unsigned int __kernel_size_t; -typedef int __kernel_ssize_t; -typedef int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_timer_t; -typedef int __kernel_clockid_t; -typedef int __kernel_daddr_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; -typedef unsigned short __kernel_old_dev_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#if defined(__KERNEL__) - -#undef __FD_SET -#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) - -#undef __FD_CLR -#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) - -#undef __FD_ISSET -#define __FD_ISSET(d, set) (!!((set)->fds_bits[__FDELT(d)] & __FDMASK(d))) - -#undef __FD_ZERO -#define __FD_ZERO(fdsetp) (memset (fdsetp, 0, sizeof(*(fd_set *)fdsetp))) - -#endif /* defined(__KERNEL__) */ - -#endif - diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h index 3744f2e47f4..a34f309e580 100644 --- a/arch/frv/include/asm/processor.h +++ b/arch/frv/include/asm/processor.h @@ -54,7 +54,6 @@ extern struct cpuinfo_frv __nongprelbss boot_cpu_data; * Bus types */ #define EISA_bus 0 -#define MCA_bus 0 struct thread_struct { struct pt_regs *frame; /* [GR28] exception frame ptr for this thread */ @@ -93,25 +92,19 @@ extern struct task_struct *__kernel_current_task; /* * do necessary setup to start up a newly executed thread. - * - need to discard the frame stacked by init() invoking the execve syscall */ #define start_thread(_regs, _pc, _usp) \ do { \ - set_fs(USER_DS); /* reads from user space */ \ - __frame = __kernel_frame0_ptr; \ - __frame->pc = (_pc); \ - __frame->psr &= ~PSR_S; \ - __frame->sp = (_usp); \ + _regs->pc = (_pc); \ + _regs->psr &= ~PSR_S; \ + _regs->sp = (_usp); \ } while(0) -extern void prepare_to_copy(struct task_struct *tsk); - /* Free all resources held by a thread. */ static inline void release_thread(struct task_struct *dead_task) { } -extern asmlinkage int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); extern asmlinkage void save_user_regs(struct user_context *target); extern asmlinkage void *restore_user_regs(const struct user_context *target, ...); @@ -136,10 +129,6 @@ unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) ((tsk)->thread.frame0->pc) #define KSTK_ESP(tsk) ((tsk)->thread.frame0->sp) -/* Allocation and freeing of basic task resources. */ -extern struct task_struct *alloc_task_struct(void); -extern void free_task_struct(struct task_struct *p); - #define cpu_relax() barrier() /* data cache prefetch */ diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h index a54b535c9e4..034f1793419 100644 --- a/arch/frv/include/asm/ptrace.h +++ b/arch/frv/include/asm/ptrace.h @@ -11,58 +11,10 @@ #ifndef _ASM_PTRACE_H #define _ASM_PTRACE_H -#include <asm/registers.h> -#ifdef __KERNEL__ #include <asm/irq_regs.h> +#include <uapi/asm/ptrace.h> #define in_syscall(regs) (((regs)->tbr & TBR_TT) == TBR_TT_TRAP0) -#endif - - -#define PT_PSR 0 -#define PT_ISR 1 -#define PT_CCR 2 -#define PT_CCCR 3 -#define PT_LR 4 -#define PT_LCR 5 -#define PT_PC 6 - -#define PT__STATUS 7 /* exception status */ -#define PT_SYSCALLNO 8 /* syscall number or -1 */ -#define PT_ORIG_GR8 9 /* saved GR8 for signal handling */ -#define PT_GNER0 10 -#define PT_GNER1 11 -#define PT_IACC0H 12 -#define PT_IACC0L 13 - -#define PT_GR(j) ( 14 + (j)) /* GRj for 0<=j<=63 */ -#define PT_FR(j) ( 78 + (j)) /* FRj for 0<=j<=63 */ -#define PT_FNER(j) (142 + (j)) /* FNERj for 0<=j<=1 */ -#define PT_MSR(j) (144 + (j)) /* MSRj for 0<=j<=2 */ -#define PT_ACC(j) (146 + (j)) /* ACCj for 0<=j<=7 */ -#define PT_ACCG(jklm) (154 + (jklm)) /* ACCGjklm for 0<=jklm<=1 (reads four regs per slot) */ -#define PT_FSR(j) (156 + (j)) /* FSRj for 0<=j<=0 */ -#define PT__GPEND 78 -#define PT__END 157 - -#define PT_TBR PT_GR(0) -#define PT_SP PT_GR(1) -#define PT_FP PT_GR(2) -#define PT_PREV_FRAME PT_GR(28) /* previous exception frame pointer (old gr28 value) */ -#define PT_CURR_TASK PT_GR(29) /* current task */ - - -/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */ - -#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */ -#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */ - -#ifdef __KERNEL__ #ifndef __ASSEMBLY__ struct task_struct; @@ -76,17 +28,14 @@ register struct pt_regs *__frame asm("gr28"); #define user_mode(regs) (!((regs)->psr & PSR_S)) #define instruction_pointer(regs) ((regs)->pc) #define user_stack_pointer(regs) ((regs)->sp) +#define current_pt_regs() (__frame) extern unsigned long user_stack(const struct pt_regs *); -extern void show_regs(struct pt_regs *); #define profile_pc(regs) ((regs)->pc) #define task_pt_regs(task) ((task)->thread.frame0) #define arch_has_single_step() (1) -extern void user_enable_single_step(struct task_struct *); -extern void user_disable_single_step(struct task_struct *); #endif /* !__ASSEMBLY__ */ -#endif /* __KERNEL__ */ #endif /* _ASM_PTRACE_H */ diff --git a/arch/frv/include/asm/scatterlist.h b/arch/frv/include/asm/scatterlist.h index 4bca8a28546..0e5eb301846 100644 --- a/arch/frv/include/asm/scatterlist.h +++ b/arch/frv/include/asm/scatterlist.h @@ -1,46 +1,6 @@ #ifndef _ASM_SCATTERLIST_H #define _ASM_SCATTERLIST_H -#include <asm/types.h> - -/* - * Drivers must set either ->address or (preferred) page and ->offset - * to indicate where data must be transferred to/from. - * - * Using page is recommended since it handles highmem data as well as - * low mem. ->address is restricted to data which has a virtual mapping, and - * it will go away in the future. Updating to page can be automated very - * easily -- something like - * - * sg->address = some_ptr; - * - * can be rewritten as - * - * sg_set_buf(sg, some_ptr, length); - * - * and that's it. There's no excuse for not highmem enabling YOUR driver. /jens - */ -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - unsigned int offset; /* for highmem, page offset */ - - dma_addr_t dma_address; - unsigned int length; -}; - -/* - * These macros should be used after a pci_map_sg call has been done - * to get bus addresses of each of the SG entries and their lengths. - * You should only work with the number of sg entries pci_map_sg - * returns, or alternatively stop on the first sg_dma_len(sg) which - * is 0. - */ -#define sg_dma_address(sg) ((sg)->dma_address) -#define sg_dma_len(sg) ((sg)->length) - -#define ISA_DMA_THRESHOLD (0xffffffffUL) +#include <asm-generic/scatterlist.h> #endif /* !_ASM_SCATTERLIST_H */ diff --git a/arch/frv/include/asm/segment.h b/arch/frv/include/asm/segment.h index e3616a6f941..a2320a4a004 100644 --- a/arch/frv/include/asm/segment.h +++ b/arch/frv/include/asm/segment.h @@ -21,12 +21,12 @@ typedef struct { #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) -#define KERNEL_DS MAKE_MM_SEG(0xdfffffffUL) - #ifdef CONFIG_MMU #define USER_DS MAKE_MM_SEG(TASK_SIZE - 1) +#define KERNEL_DS MAKE_MM_SEG(0xdfffffffUL) #else -#define USER_DS KERNEL_DS +#define USER_DS MAKE_MM_SEG(memory_end) +#define KERNEL_DS MAKE_MM_SEG(0xe0000000UL) #endif #define get_ds() (KERNEL_DS) diff --git a/arch/frv/include/asm/setup.h b/arch/frv/include/asm/setup.h index afd787ceede..aa76f2eac09 100644 --- a/arch/frv/include/asm/setup.h +++ b/arch/frv/include/asm/setup.h @@ -8,15 +8,12 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - #ifndef _ASM_SETUP_H #define _ASM_SETUP_H -#define COMMAND_LINE_SIZE 512 - -#ifdef __KERNEL__ #include <linux/init.h> +#include <uapi/asm/setup.h> #ifndef __ASSEMBLY__ @@ -26,6 +23,4 @@ extern unsigned long __initdata num_mappedpages; #endif /* !__ASSEMBLY__ */ -#endif /* __KERNEL__ */ - #endif /* _ASM_SETUP_H */ diff --git a/arch/frv/include/asm/signal.h b/arch/frv/include/asm/signal.h index 2079197d483..eca0abcb79d 100644 --- a/arch/frv/include/asm/signal.h +++ b/arch/frv/include/asm/signal.h @@ -1,161 +1,6 @@ #ifndef _ASM_SIGNAL_H #define _ASM_SIGNAL_H -#include <linux/types.h> - -/* Avoid too many header ordering problems. */ -struct siginfo; - -#ifdef __KERNEL__ -/* Most things should be clean enough to redefine this at will, if care - is taken to make libc match. */ - -#define _NSIG 64 -#define _NSIG_BPW 32 -#define _NSIG_WORDS (_NSIG / _NSIG_BPW) - -typedef unsigned long old_sigset_t; /* at least 32 bits */ - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} sigset_t; - -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -#define NSIG 32 -typedef unsigned long sigset_t; - -#endif /* __KERNEL__ */ - -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 -#define SIGBUS 7 -#define SIGFPE 8 -#define SIGKILL 9 -#define SIGUSR1 10 -#define SIGSEGV 11 -#define SIGUSR2 12 -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGSTKFLT 16 -#define SIGCHLD 17 -#define SIGCONT 18 -#define SIGSTOP 19 -#define SIGTSTP 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGURG 23 -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGIO 29 -#define SIGPOLL SIGIO -/* -#define SIGLOST 29 -*/ -#define SIGPWR 30 -#define SIGSYS 31 -#define SIGUNUSED 31 - -/* These should not be considered constants from userland. */ -#define SIGRTMIN 32 -#define SIGRTMAX (_NSIG-1) - -/* - * SA_FLAGS values: - * - * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_RESTART flag to get restarting signals (which were the default long ago) - * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. - * SA_RESETHAND clears the handler when the signal is delivered. - * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. - * SA_NODEFER prevents the current signal from being masked in the handler. - * - * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single - * Unix names RESETHAND and NODEFER respectively. - */ -#define SA_NOCLDSTOP 0x00000001 -#define SA_NOCLDWAIT 0x00000002 /* not supported yet */ -#define SA_SIGINFO 0x00000004 -#define SA_ONSTACK 0x08000000 -#define SA_RESTART 0x10000000 -#define SA_NODEFER 0x40000000 -#define SA_RESETHAND 0x80000000 - -#define SA_NOMASK SA_NODEFER -#define SA_ONESHOT SA_RESETHAND - -#define SA_RESTORER 0x04000000 - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 2048 -#define SIGSTKSZ 8192 - -#include <asm-generic/signal.h> - -#ifdef __KERNEL__ -struct old_sigaction { - __sighandler_t sa_handler; - old_sigset_t sa_mask; - unsigned long sa_flags; - __sigrestore_t sa_restorer; -}; - -struct sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - __sigrestore_t sa_restorer; - sigset_t sa_mask; /* mask last for extensibility */ -}; - -struct k_sigaction { - struct sigaction sa; -}; -#else -/* Here we must cater to libcs that poke about in kernel headers. */ - -struct sigaction { - union { - __sighandler_t _sa_handler; - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; - sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); -}; - -#define sa_handler _u._sa_handler -#define sa_sigaction _u._sa_sigaction - -#endif /* __KERNEL__ */ - -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#ifdef __KERNEL__ - -#include <asm/sigcontext.h> -#undef __HAVE_ARCH_SIG_BITOPS - -#endif /* __KERNEL__ */ +#include <uapi/asm/signal.h> #endif /* _ASM_SIGNAL_H */ diff --git a/arch/frv/include/asm/spr-regs.h b/arch/frv/include/asm/spr-regs.h index 01e6af5e99b..d3883021f23 100644 --- a/arch/frv/include/asm/spr-regs.h +++ b/arch/frv/include/asm/spr-regs.h @@ -274,7 +274,7 @@ #define MSR0_RD 0xc0000000 /* rounding mode */ #define MSR0_RD_NEAREST 0x00000000 /* - nearest */ #define MSR0_RD_ZERO 0x40000000 /* - zero */ -#define MSR0_RD_POS_INF 0x80000000 /* - postive infinity */ +#define MSR0_RD_POS_INF 0x80000000 /* - positive infinity */ #define MSR0_RD_NEG_INF 0xc0000000 /* - negative infinity */ /* diff --git a/arch/frv/include/asm/switch_to.h b/arch/frv/include/asm/switch_to.h new file mode 100644 index 00000000000..2cf0f6a7fbb --- /dev/null +++ b/arch/frv/include/asm/switch_to.h @@ -0,0 +1,35 @@ +/* FR-V CPU basic task switching + * + * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _ASM_SWITCH_TO_H +#define _ASM_SWITCH_TO_H + +#include <linux/thread_info.h> + +/* + * switch_to(prev, next) should switch from task `prev' to `next' + * `prev' will never be the same as `next'. + * The `mb' is to tell GCC not to cache `current' across this call. + */ +extern asmlinkage +struct task_struct *__switch_to(struct thread_struct *prev_thread, + struct thread_struct *next_thread, + struct task_struct *prev); + +#define switch_to(prev, next, last) \ +do { \ + (prev)->thread.sched_lr = \ + (unsigned long) __builtin_return_address(0); \ + (last) = __switch_to(&(prev)->thread, &(next)->thread, (prev)); \ + mb(); \ +} while(0) + +#endif /* _ASM_SWITCH_TO_H */ diff --git a/arch/frv/include/asm/system.h b/arch/frv/include/asm/system.h deleted file mode 100644 index 7742ec000cc..00000000000 --- a/arch/frv/include/asm/system.h +++ /dev/null @@ -1,301 +0,0 @@ -/* system.h: FR-V CPU control definitions - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#ifndef _ASM_SYSTEM_H -#define _ASM_SYSTEM_H - -#include <linux/types.h> -#include <linux/linkage.h> -#include <linux/kernel.h> - -struct thread_struct; - -/* - * switch_to(prev, next) should switch from task `prev' to `next' - * `prev' will never be the same as `next'. - * The `mb' is to tell GCC not to cache `current' across this call. - */ -extern asmlinkage -struct task_struct *__switch_to(struct thread_struct *prev_thread, - struct thread_struct *next_thread, - struct task_struct *prev); - -#define switch_to(prev, next, last) \ -do { \ - (prev)->thread.sched_lr = \ - (unsigned long) __builtin_return_address(0); \ - (last) = __switch_to(&(prev)->thread, &(next)->thread, (prev)); \ - mb(); \ -} while(0) - -/* - * interrupt flag manipulation - * - use virtual interrupt management since touching the PSR is slow - * - ICC2.Z: T if interrupts virtually disabled - * - ICC2.C: F if interrupts really disabled - * - if Z==1 upon interrupt: - * - C is set to 0 - * - interrupts are really disabled - * - entry.S returns immediately - * - uses TIHI (TRAP if Z==0 && C==0) #2 to really reenable interrupts - * - if taken, the trap: - * - sets ICC2.C - * - enables interrupts - */ -#define local_irq_disable() \ -do { \ - /* set Z flag, but don't change the C flag */ \ - asm volatile(" andcc gr0,gr0,gr0,icc2 \n" \ - : \ - : \ - : "memory", "icc2" \ - ); \ -} while(0) - -#define local_irq_enable() \ -do { \ - /* clear Z flag and then test the C flag */ \ - asm volatile(" oricc gr0,#1,gr0,icc2 \n" \ - " tihi icc2,gr0,#2 \n" \ - : \ - : \ - : "memory", "icc2" \ - ); \ -} while(0) - -#define local_save_flags(flags) \ -do { \ - typecheck(unsigned long, flags); \ - asm volatile("movsg ccr,%0" \ - : "=r"(flags) \ - : \ - : "memory"); \ - \ - /* shift ICC2.Z to bit 0 */ \ - flags >>= 26; \ - \ - /* make flags 1 if interrupts disabled, 0 otherwise */ \ - flags &= 1UL; \ -} while(0) - -#define irqs_disabled() \ - ({unsigned long flags; local_save_flags(flags); !!flags; }) - -#define local_irq_save(flags) \ -do { \ - typecheck(unsigned long, flags); \ - local_save_flags(flags); \ - local_irq_disable(); \ -} while(0) - -#define local_irq_restore(flags) \ -do { \ - typecheck(unsigned long, flags); \ - \ - /* load the Z flag by turning 1 if disabled into 0 if disabled \ - * and thus setting the Z flag but not the C flag */ \ - asm volatile(" xoricc %0,#1,gr0,icc2 \n" \ - /* then test Z=0 and C=0 */ \ - " tihi icc2,gr0,#2 \n" \ - : \ - : "r"(flags) \ - : "memory", "icc2" \ - ); \ - \ -} while(0) - -/* - * real interrupt flag manipulation - */ -#define __local_irq_disable() \ -do { \ - unsigned long psr; \ - asm volatile(" movsg psr,%0 \n" \ - " andi %0,%2,%0 \n" \ - " ori %0,%1,%0 \n" \ - " movgs %0,psr \n" \ - : "=r"(psr) \ - : "i" (PSR_PIL_14), "i" (~PSR_PIL) \ - : "memory"); \ -} while(0) - -#define __local_irq_enable() \ -do { \ - unsigned long psr; \ - asm volatile(" movsg psr,%0 \n" \ - " andi %0,%1,%0 \n" \ - " movgs %0,psr \n" \ - : "=r"(psr) \ - : "i" (~PSR_PIL) \ - : "memory"); \ -} while(0) - -#define __local_save_flags(flags) \ -do { \ - typecheck(unsigned long, flags); \ - asm("movsg psr,%0" \ - : "=r"(flags) \ - : \ - : "memory"); \ -} while(0) - -#define __local_irq_save(flags) \ -do { \ - unsigned long npsr; \ - typecheck(unsigned long, flags); \ - asm volatile(" movsg psr,%0 \n" \ - " andi %0,%3,%1 \n" \ - " ori %1,%2,%1 \n" \ - " movgs %1,psr \n" \ - : "=r"(flags), "=r"(npsr) \ - : "i" (PSR_PIL_14), "i" (~PSR_PIL) \ - : "memory"); \ -} while(0) - -#define __local_irq_restore(flags) \ -do { \ - typecheck(unsigned long, flags); \ - asm volatile(" movgs %0,psr \n" \ - : \ - : "r" (flags) \ - : "memory"); \ -} while(0) - -#define __irqs_disabled() \ - ((__get_PSR() & PSR_PIL) >= PSR_PIL_14) - -/* - * Force strict CPU ordering. - */ -#define nop() asm volatile ("nop"::) -#define mb() asm volatile ("membar" : : :"memory") -#define rmb() asm volatile ("membar" : : :"memory") -#define wmb() asm volatile ("membar" : : :"memory") -#define read_barrier_depends() do { } while (0) - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#define set_mb(var, value) \ - do { xchg(&var, (value)); } while (0) -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do {} while(0) -#define set_mb(var, value) \ - do { var = (value); barrier(); } while (0) -#endif - -extern void die_if_kernel(const char *, ...) __attribute__((format(printf, 1, 2))); -extern void free_initmem(void); - -#define arch_align_stack(x) (x) - -/*****************************************************************************/ -/* - * compare and conditionally exchange value with memory - * - if (*ptr == test) then orig = *ptr; *ptr = test; - * - if (*ptr != test) then orig = *ptr; - */ -#ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS - -#define cmpxchg(ptr, test, new) \ -({ \ - __typeof__(ptr) __xg_ptr = (ptr); \ - __typeof__(*(ptr)) __xg_orig, __xg_tmp; \ - __typeof__(*(ptr)) __xg_test = (test); \ - __typeof__(*(ptr)) __xg_new = (new); \ - \ - switch (sizeof(__xg_orig)) { \ - case 4: \ - asm volatile( \ - "0: \n" \ - " orcc gr0,gr0,gr0,icc3 \n" \ - " ckeq icc3,cc7 \n" \ - " ld.p %M0,%1 \n" \ - " orcr cc7,cc7,cc3 \n" \ - " sub%I4cc %1,%4,%2,icc0 \n" \ - " bne icc0,#0,1f \n" \ - " cst.p %3,%M0 ,cc3,#1 \n" \ - " corcc gr29,gr29,gr0 ,cc3,#1 \n" \ - " beq icc3,#0,0b \n" \ - "1: \n" \ - : "+U"(*__xg_ptr), "=&r"(__xg_orig), "=&r"(__xg_tmp) \ - : "r"(__xg_new), "NPr"(__xg_test) \ - : "memory", "cc7", "cc3", "icc3", "icc0" \ - ); \ - break; \ - \ - default: \ - __xg_orig = (__typeof__(__xg_orig))0; \ - asm volatile("break"); \ - break; \ - } \ - \ - __xg_orig; \ -}) - -#else - -extern uint32_t __cmpxchg_32(uint32_t *v, uint32_t test, uint32_t new); - -#define cmpxchg(ptr, test, new) \ -({ \ - __typeof__(ptr) __xg_ptr = (ptr); \ - __typeof__(*(ptr)) __xg_orig; \ - __typeof__(*(ptr)) __xg_test = (test); \ - __typeof__(*(ptr)) __xg_new = (new); \ - \ - switch (sizeof(__xg_orig)) { \ - case 4: __xg_orig = (__force __typeof__(*ptr)) \ - __cmpxchg_32((__force uint32_t *)__xg_ptr, \ - (__force uint32_t)__xg_test, \ - (__force uint32_t)__xg_new); break; \ - default: \ - __xg_orig = (__typeof__(__xg_orig))0; \ - asm volatile("break"); \ - break; \ - } \ - \ - __xg_orig; \ -}) - -#endif - -#include <asm-generic/cmpxchg-local.h> - -static inline unsigned long __cmpxchg_local(volatile void *ptr, - unsigned long old, - unsigned long new, int size) -{ - switch (size) { - case 4: - return cmpxchg((unsigned long *)ptr, old, new); - default: - return __cmpxchg_local_generic(ptr, old, new, size); - } - - return old; -} - -/* - * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make - * them available. - */ -#define cmpxchg_local(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr)))) -#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) - -#endif /* _ASM_SYSTEM_H */ diff --git a/arch/frv/include/asm/termios.h b/arch/frv/include/asm/termios.h index a62fb587237..9f753fc0953 100644 --- a/arch/frv/include/asm/termios.h +++ b/arch/frv/include/asm/termios.h @@ -1,27 +1,8 @@ #ifndef _ASM_TERMIOS_H #define _ASM_TERMIOS_H -#include <asm/termbits.h> -#include <asm/ioctls.h> +#include <uapi/asm/termios.h> -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -#ifdef __KERNEL__ /* intr=^C quit=^| erase=del kill=^U eof=^D vtime=\0 vmin=\1 sxtc=\0 start=^Q stop=^S susp=^Z eol=\0 @@ -29,30 +10,5 @@ struct termio { eol2=\0 */ #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" -#endif - -/* modem lines */ -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -#define TIOCM_MODEM_BITS TIOCM_OUT2 /* IRDA support */ - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ - -#ifdef __KERNEL__ -#include <asm-generic/termios.h> -#endif - +#include <asm-generic/termios-base.h> #endif /* _ASM_TERMIOS_H */ diff --git a/arch/frv/include/asm/thread_info.h b/arch/frv/include/asm/thread_info.h index e8a5ed7be02..af29e17c018 100644 --- a/arch/frv/include/asm/thread_info.h +++ b/arch/frv/include/asm/thread_info.h @@ -52,12 +52,8 @@ struct thread_info { #endif -#define PREEMPT_ACTIVE 0x10000000 - /* * macros/functions for gaining access to the thread information structure - * - * preempt_count needs to be 1 initially, until the scheduler is functional. */ #ifndef __ASSEMBLY__ @@ -67,7 +63,7 @@ struct thread_info { .exec_domain = &default_exec_domain, \ .flags = 0, \ .cpu = 0, \ - .preempt_count = 1, \ + .preempt_count = INIT_PREEMPT_COUNT, \ .addr_limit = KERNEL_DS, \ .restart_block = { \ .fn = do_no_restart_syscall, \ @@ -82,24 +78,6 @@ register struct thread_info *__current_thread_info asm("gr15"); #define current_thread_info() ({ __current_thread_info; }) -#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR - -/* thread information allocation */ -#ifdef CONFIG_DEBUG_STACK_USAGE -#define alloc_thread_info(tsk) \ - ({ \ - struct thread_info *ret; \ - \ - ret = kzalloc(THREAD_SIZE, GFP_KERNEL); \ - \ - ret; \ - }) -#else -#define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL) -#endif - -#define free_thread_info(info) kfree(info) - #endif /* __ASSEMBLY__ */ /* @@ -114,21 +92,24 @@ register struct thread_info *__current_thread_info asm("gr15"); #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ -#define TIF_MEMDIE 17 /* OOM killer killed process */ -#define TIF_FREEZE 18 /* freezing for suspend */ +#define TIF_MEMDIE 7 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) -#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) -#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) -#define _TIF_FREEZE (1 << TIF_FREEZE) -#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ -#define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ +/* work to do on interrupt/exception return */ +#define _TIF_WORK_MASK \ + (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_SINGLESTEP) + +/* work to do on any return to u-space */ +#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | _TIF_SYSCALL_TRACE) + +#if _TIF_ALLWORK_MASK >= 0x2000 +#error "_TIF_ALLWORK_MASK won't fit in an ANDI now (see entry.S)" +#endif /* * Thread-synchronous status. diff --git a/arch/frv/include/asm/types.h b/arch/frv/include/asm/types.h index 613bf1e962f..6bc63650d83 100644 --- a/arch/frv/include/asm/types.h +++ b/arch/frv/include/asm/types.h @@ -8,33 +8,15 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - #ifndef _ASM_TYPES_H #define _ASM_TYPES_H -#include <asm-generic/int-ll64.h> - -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ +#include <uapi/asm/types.h> /* * These aren't exported outside the kernel to avoid name space clashes */ -#ifdef __KERNEL__ #define BITS_PER_LONG 32 -#ifndef __ASSEMBLY__ - -/* Dma addresses are 32-bits wide. */ - -typedef u32 dma_addr_t; - -#endif /* __ASSEMBLY__ */ - -#endif /* __KERNEL__ */ - #endif /* _ASM_TYPES_H */ diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h index 53650c958f4..3ac9a59d65d 100644 --- a/arch/frv/include/asm/uaccess.h +++ b/arch/frv/include/asm/uaccess.h @@ -27,8 +27,6 @@ #define VERIFY_READ 0 #define VERIFY_WRITE 1 -#define __addr_ok(addr) ((unsigned long)(addr) < get_addr_limit()) - /* * check that a range of addresses falls within the current address limit */ @@ -282,14 +280,14 @@ extern long __memcpy_user(void *dst, const void *src, unsigned long count); static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) { - might_sleep(); + might_fault(); return __copy_to_user_inatomic(to, from, n); } static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) { - might_sleep(); + might_fault(); return __copy_from_user_inatomic(to, from, n); } diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h index 96d78d5d2c4..17b5df8fc28 100644 --- a/arch/frv/include/asm/unistd.h +++ b/arch/frv/include/asm/unistd.h @@ -1,359 +1,18 @@ #ifndef _ASM_UNISTD_H_ #define _ASM_UNISTD_H_ -/* - * This file contains the system call numbers. - */ +#include <uapi/asm/unistd.h> -#define __NR_restart_syscall 0 -#define __NR_exit 1 -#define __NR_fork 2 -#define __NR_read 3 -#define __NR_write 4 -#define __NR_open 5 -#define __NR_close 6 -#define __NR_waitpid 7 -#define __NR_creat 8 -#define __NR_link 9 -#define __NR_unlink 10 -#define __NR_execve 11 -#define __NR_chdir 12 -#define __NR_time 13 -#define __NR_mknod 14 -#define __NR_chmod 15 -#define __NR_lchown 16 -#define __NR_break 17 -#define __NR_oldstat 18 -#define __NR_lseek 19 -#define __NR_getpid 20 -#define __NR_mount 21 -#define __NR_umount 22 -#define __NR_setuid 23 -#define __NR_getuid 24 -#define __NR_stime 25 -#define __NR_ptrace 26 -#define __NR_alarm 27 -#define __NR_oldfstat 28 -#define __NR_pause 29 -#define __NR_utime 30 -#define __NR_stty 31 -#define __NR_gtty 32 -#define __NR_access 33 -#define __NR_nice 34 -#define __NR_ftime 35 -#define __NR_sync 36 -#define __NR_kill 37 -#define __NR_rename 38 -#define __NR_mkdir 39 -#define __NR_rmdir 40 -#define __NR_dup 41 -#define __NR_pipe 42 -#define __NR_times 43 -#define __NR_prof 44 -#define __NR_brk 45 -#define __NR_setgid 46 -#define __NR_getgid 47 -#define __NR_signal 48 -#define __NR_geteuid 49 -#define __NR_getegid 50 -#define __NR_acct 51 -#define __NR_umount2 52 -#define __NR_lock 53 -#define __NR_ioctl 54 -#define __NR_fcntl 55 -#define __NR_mpx 56 -#define __NR_setpgid 57 -#define __NR_ulimit 58 -// #define __NR_oldolduname /* 59 */ obsolete -#define __NR_umask 60 -#define __NR_chroot 61 -#define __NR_ustat 62 -#define __NR_dup2 63 -#define __NR_getppid 64 -#define __NR_getpgrp 65 -#define __NR_setsid 66 -#define __NR_sigaction 67 -#define __NR_sgetmask 68 -#define __NR_ssetmask 69 -#define __NR_setreuid 70 -#define __NR_setregid 71 -#define __NR_sigsuspend 72 -#define __NR_sigpending 73 -#define __NR_sethostname 74 -#define __NR_setrlimit 75 -#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */ -#define __NR_getrusage 77 -#define __NR_gettimeofday 78 -#define __NR_settimeofday 79 -#define __NR_getgroups 80 -#define __NR_setgroups 81 -#define __NR_select 82 -#define __NR_symlink 83 -#define __NR_oldlstat 84 -#define __NR_readlink 85 -#define __NR_uselib 86 -#define __NR_swapon 87 -#define __NR_reboot 88 -#define __NR_readdir 89 -// #define __NR_mmap 90 /* obsolete - not implemented */ -#define __NR_munmap 91 -#define __NR_truncate 92 -#define __NR_ftruncate 93 -#define __NR_fchmod 94 -#define __NR_fchown 95 -#define __NR_getpriority 96 -#define __NR_setpriority 97 -// #define __NR_profil /* 98 */ obsolete -#define __NR_statfs 99 -#define __NR_fstatfs 100 -// #define __NR_ioperm /* 101 */ not supported -#define __NR_socketcall 102 -#define __NR_syslog 103 -#define __NR_setitimer 104 -#define __NR_getitimer 105 -#define __NR_stat 106 -#define __NR_lstat 107 -#define __NR_fstat 108 -// #define __NR_olduname /* 109 */ obsolete -// #define __NR_iopl /* 110 */ not supported -#define __NR_vhangup 111 -// #define __NR_idle /* 112 */ Obsolete -// #define __NR_vm86old /* 113 */ not supported -#define __NR_wait4 114 -#define __NR_swapoff 115 -#define __NR_sysinfo 116 -#define __NR_ipc 117 -#define __NR_fsync 118 -#define __NR_sigreturn 119 -#define __NR_clone 120 -#define __NR_setdomainname 121 -#define __NR_uname 122 -// #define __NR_modify_ldt /* 123 */ not supported -#define __NR_cacheflush 123 -#define __NR_adjtimex 124 -#define __NR_mprotect 125 -#define __NR_sigprocmask 126 -#define __NR_create_module 127 -#define __NR_init_module 128 -#define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 -#define __NR_quotactl 131 -#define __NR_getpgid 132 -#define __NR_fchdir 133 -#define __NR_bdflush 134 -#define __NR_sysfs 135 -#define __NR_personality 136 -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ -#define __NR_setfsuid 138 -#define __NR_setfsgid 139 -#define __NR__llseek 140 -#define __NR_getdents 141 -#define __NR__newselect 142 -#define __NR_flock 143 -#define __NR_msync 144 -#define __NR_readv 145 -#define __NR_writev 146 -#define __NR_getsid 147 -#define __NR_fdatasync 148 -#define __NR__sysctl 149 -#define __NR_mlock 150 -#define __NR_munlock 151 -#define __NR_mlockall 152 -#define __NR_munlockall 153 -#define __NR_sched_setparam 154 -#define __NR_sched_getparam 155 -#define __NR_sched_setscheduler 156 -#define __NR_sched_getscheduler 157 -#define __NR_sched_yield 158 -#define __NR_sched_get_priority_max 159 -#define __NR_sched_get_priority_min 160 -#define __NR_sched_rr_get_interval 161 -#define __NR_nanosleep 162 -#define __NR_mremap 163 -#define __NR_setresuid 164 -#define __NR_getresuid 165 -// #define __NR_vm86 /* 166 */ not supported -#define __NR_query_module 167 -#define __NR_poll 168 -#define __NR_nfsservctl 169 -#define __NR_setresgid 170 -#define __NR_getresgid 171 -#define __NR_prctl 172 -#define __NR_rt_sigreturn 173 -#define __NR_rt_sigaction 174 -#define __NR_rt_sigprocmask 175 -#define __NR_rt_sigpending 176 -#define __NR_rt_sigtimedwait 177 -#define __NR_rt_sigqueueinfo 178 -#define __NR_rt_sigsuspend 179 -#define __NR_pread64 180 -#define __NR_pwrite64 181 -#define __NR_chown 182 -#define __NR_getcwd 183 -#define __NR_capget 184 -#define __NR_capset 185 -#define __NR_sigaltstack 186 -#define __NR_sendfile 187 -#define __NR_getpmsg 188 /* some people actually want streams */ -#define __NR_putpmsg 189 /* some people actually want streams */ -#define __NR_vfork 190 -#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ -#define __NR_mmap2 192 -#define __NR_truncate64 193 -#define __NR_ftruncate64 194 -#define __NR_stat64 195 -#define __NR_lstat64 196 -#define __NR_fstat64 197 -#define __NR_lchown32 198 -#define __NR_getuid32 199 -#define __NR_getgid32 200 -#define __NR_geteuid32 201 -#define __NR_getegid32 202 -#define __NR_setreuid32 203 -#define __NR_setregid32 204 -#define __NR_getgroups32 205 -#define __NR_setgroups32 206 -#define __NR_fchown32 207 -#define __NR_setresuid32 208 -#define __NR_getresuid32 209 -#define __NR_setresgid32 210 -#define __NR_getresgid32 211 -#define __NR_chown32 212 -#define __NR_setuid32 213 -#define __NR_setgid32 214 -#define __NR_setfsuid32 215 -#define __NR_setfsgid32 216 -#define __NR_pivot_root 217 -#define __NR_mincore 218 -#define __NR_madvise 219 -#define __NR_getdents64 220 -#define __NR_fcntl64 221 -#define __NR_security 223 /* syscall for security modules */ -#define __NR_gettid 224 -#define __NR_readahead 225 -#define __NR_setxattr 226 -#define __NR_lsetxattr 227 -#define __NR_fsetxattr 228 -#define __NR_getxattr 229 -#define __NR_lgetxattr 230 -#define __NR_fgetxattr 231 -#define __NR_listxattr 232 -#define __NR_llistxattr 233 -#define __NR_flistxattr 234 -#define __NR_removexattr 235 -#define __NR_lremovexattr 236 -#define __NR_fremovexattr 237 -#define __NR_tkill 238 -#define __NR_sendfile64 239 -#define __NR_futex 240 -#define __NR_sched_setaffinity 241 -#define __NR_sched_getaffinity 242 -#define __NR_set_thread_area 243 -#define __NR_get_thread_area 244 -#define __NR_io_setup 245 -#define __NR_io_destroy 246 -#define __NR_io_getevents 247 -#define __NR_io_submit 248 -#define __NR_io_cancel 249 -#define __NR_fadvise64 250 +#define NR_syscalls 338 -#define __NR_exit_group 252 -#define __NR_lookup_dcookie 253 -#define __NR_epoll_create 254 -#define __NR_epoll_ctl 255 -#define __NR_epoll_wait 256 -#define __NR_remap_file_pages 257 -#define __NR_set_tid_address 258 -#define __NR_timer_create 259 -#define __NR_timer_settime (__NR_timer_create+1) -#define __NR_timer_gettime (__NR_timer_create+2) -#define __NR_timer_getoverrun (__NR_timer_create+3) -#define __NR_timer_delete (__NR_timer_create+4) -#define __NR_clock_settime (__NR_timer_create+5) -#define __NR_clock_gettime (__NR_timer_create+6) -#define __NR_clock_getres (__NR_timer_create+7) -#define __NR_clock_nanosleep (__NR_timer_create+8) -#define __NR_statfs64 268 -#define __NR_fstatfs64 269 -#define __NR_tgkill 270 -#define __NR_utimes 271 -#define __NR_fadvise64_64 272 -#define __NR_vserver 273 -#define __NR_mbind 274 -#define __NR_get_mempolicy 275 -#define __NR_set_mempolicy 276 -#define __NR_mq_open 277 -#define __NR_mq_unlink (__NR_mq_open+1) -#define __NR_mq_timedsend (__NR_mq_open+2) -#define __NR_mq_timedreceive (__NR_mq_open+3) -#define __NR_mq_notify (__NR_mq_open+4) -#define __NR_mq_getsetattr (__NR_mq_open+5) -#define __NR_kexec_load 283 -#define __NR_waitid 284 -/* #define __NR_sys_setaltroot 285 */ -#define __NR_add_key 286 -#define __NR_request_key 287 -#define __NR_keyctl 288 -#define __NR_ioprio_set 289 -#define __NR_ioprio_get 290 -#define __NR_inotify_init 291 -#define __NR_inotify_add_watch 292 -#define __NR_inotify_rm_watch 293 -#define __NR_migrate_pages 294 -#define __NR_openat 295 -#define __NR_mkdirat 296 -#define __NR_mknodat 297 -#define __NR_fchownat 298 -#define __NR_futimesat 299 -#define __NR_fstatat64 300 -#define __NR_unlinkat 301 -#define __NR_renameat 302 -#define __NR_linkat 303 -#define __NR_symlinkat 304 -#define __NR_readlinkat 305 -#define __NR_fchmodat 306 -#define __NR_faccessat 307 -#define __NR_pselect6 308 -#define __NR_ppoll 309 -#define __NR_unshare 310 -#define __NR_set_robust_list 311 -#define __NR_get_robust_list 312 -#define __NR_splice 313 -#define __NR_sync_file_range 314 -#define __NR_tee 315 -#define __NR_vmsplice 316 -#define __NR_move_pages 317 -#define __NR_getcpu 318 -#define __NR_epoll_pwait 319 -#define __NR_utimensat 320 -#define __NR_signalfd 321 -#define __NR_timerfd_create 322 -#define __NR_eventfd 323 -#define __NR_fallocate 324 -#define __NR_timerfd_settime 325 -#define __NR_timerfd_gettime 326 -#define __NR_signalfd4 327 -#define __NR_eventfd2 328 -#define __NR_epoll_create1 329 -#define __NR_dup3 330 -#define __NR_pipe2 331 -#define __NR_inotify_init1 332 -#define __NR_preadv 333 -#define __NR_pwritev 334 - -#ifdef __KERNEL__ - -#define NR_syscalls 335 - -#define __ARCH_WANT_IPC_PARSE_VERSION /* #define __ARCH_WANT_OLD_READDIR */ #define __ARCH_WANT_OLD_STAT #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM /* #define __ARCH_WANT_SYS_GETHOSTNAME */ +#define __ARCH_WANT_SYS_IPC #define __ARCH_WANT_SYS_PAUSE -/* #define __ARCH_WANT_SYS_SGETMASK */ /* #define __ARCH_WANT_SYS_SIGNAL */ #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_UTIME @@ -367,18 +26,8 @@ #define __ARCH_WANT_SYS_OLDUMOUNT /* #define __ARCH_WANT_SYS_SIGPENDING */ #define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGACTION -#define __ARCH_WANT_SYS_RT_SIGSUSPEND - -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#ifndef cond_syscall -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") -#endif +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_CLONE -#endif /* __KERNEL__ */ #endif /* _ASM_UNISTD_H_ */ diff --git a/arch/frv/include/asm/virtconvert.h b/arch/frv/include/asm/virtconvert.h index 59788fa2a81..b26d70ab911 100644 --- a/arch/frv/include/asm/virtconvert.h +++ b/arch/frv/include/asm/virtconvert.h @@ -1,4 +1,4 @@ -/* virtconvert.h: virtual/physical/page address convertion +/* virtconvert.h: virtual/physical/page address conversion * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) diff --git a/arch/frv/include/uapi/asm/Kbuild b/arch/frv/include/uapi/asm/Kbuild new file mode 100644 index 00000000000..42a2b33461c --- /dev/null +++ b/arch/frv/include/uapi/asm/Kbuild @@ -0,0 +1,35 @@ +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm + +header-y += auxvec.h +header-y += bitsperlong.h +header-y += byteorder.h +header-y += errno.h +header-y += fcntl.h +header-y += ioctl.h +header-y += ioctls.h +header-y += ipcbuf.h +header-y += kvm_para.h +header-y += mman.h +header-y += msgbuf.h +header-y += param.h +header-y += poll.h +header-y += posix_types.h +header-y += ptrace.h +header-y += registers.h +header-y += resource.h +header-y += sembuf.h +header-y += setup.h +header-y += shmbuf.h +header-y += sigcontext.h +header-y += siginfo.h +header-y += signal.h +header-y += socket.h +header-y += sockios.h +header-y += stat.h +header-y += statfs.h +header-y += swab.h +header-y += termbits.h +header-y += termios.h +header-y += types.h +header-y += unistd.h diff --git a/arch/frv/include/asm/auxvec.h b/arch/frv/include/uapi/asm/auxvec.h index 07710778fa1..07710778fa1 100644 --- a/arch/frv/include/asm/auxvec.h +++ b/arch/frv/include/uapi/asm/auxvec.h diff --git a/arch/frv/include/uapi/asm/bitsperlong.h b/arch/frv/include/uapi/asm/bitsperlong.h new file mode 100644 index 00000000000..6dc0bb0c13b --- /dev/null +++ b/arch/frv/include/uapi/asm/bitsperlong.h @@ -0,0 +1 @@ +#include <asm-generic/bitsperlong.h> diff --git a/arch/frv/include/asm/byteorder.h b/arch/frv/include/uapi/asm/byteorder.h index f29b7593e08..f29b7593e08 100644 --- a/arch/frv/include/asm/byteorder.h +++ b/arch/frv/include/uapi/asm/byteorder.h diff --git a/arch/frv/include/asm/errno.h b/arch/frv/include/uapi/asm/errno.h index d010795ceef..d010795ceef 100644 --- a/arch/frv/include/asm/errno.h +++ b/arch/frv/include/uapi/asm/errno.h diff --git a/arch/frv/include/asm/fcntl.h b/arch/frv/include/uapi/asm/fcntl.h index 46ab12db573..46ab12db573 100644 --- a/arch/frv/include/asm/fcntl.h +++ b/arch/frv/include/uapi/asm/fcntl.h diff --git a/arch/frv/include/asm/ioctl.h b/arch/frv/include/uapi/asm/ioctl.h index b279fe06dfe..b279fe06dfe 100644 --- a/arch/frv/include/asm/ioctl.h +++ b/arch/frv/include/uapi/asm/ioctl.h diff --git a/arch/frv/include/uapi/asm/ioctls.h b/arch/frv/include/uapi/asm/ioctls.h new file mode 100644 index 00000000000..2f9fb436ec3 --- /dev/null +++ b/arch/frv/include/uapi/asm/ioctls.h @@ -0,0 +1,10 @@ +#ifndef __ASM_IOCTLS_H__ +#define __ASM_IOCTLS_H__ + +#define TIOCTTYGSTRUCT 0x5426 /* For debugging only */ +#define FIOQSIZE 0x545E + +#include <asm-generic/ioctls.h> + +#endif /* __ASM_IOCTLS_H__ */ + diff --git a/arch/frv/include/uapi/asm/ipcbuf.h b/arch/frv/include/uapi/asm/ipcbuf.h new file mode 100644 index 00000000000..84c7e51cb6d --- /dev/null +++ b/arch/frv/include/uapi/asm/ipcbuf.h @@ -0,0 +1 @@ +#include <asm-generic/ipcbuf.h> diff --git a/arch/frv/include/uapi/asm/kvm_para.h b/arch/frv/include/uapi/asm/kvm_para.h new file mode 100644 index 00000000000..14fab8f0b95 --- /dev/null +++ b/arch/frv/include/uapi/asm/kvm_para.h @@ -0,0 +1 @@ +#include <asm-generic/kvm_para.h> diff --git a/arch/frv/include/uapi/asm/mman.h b/arch/frv/include/uapi/asm/mman.h new file mode 100644 index 00000000000..8eebf89f5ab --- /dev/null +++ b/arch/frv/include/uapi/asm/mman.h @@ -0,0 +1 @@ +#include <asm-generic/mman.h> diff --git a/arch/frv/include/asm/msgbuf.h b/arch/frv/include/uapi/asm/msgbuf.h index 97ceb55a06f..97ceb55a06f 100644 --- a/arch/frv/include/asm/msgbuf.h +++ b/arch/frv/include/uapi/asm/msgbuf.h diff --git a/arch/frv/include/uapi/asm/param.h b/arch/frv/include/uapi/asm/param.h new file mode 100644 index 00000000000..a52dca9a956 --- /dev/null +++ b/arch/frv/include/uapi/asm/param.h @@ -0,0 +1,8 @@ +#ifndef _ASM_PARAM_H +#define _ASM_PARAM_H + +#define EXEC_PAGESIZE 16384 + +#include <asm-generic/param.h> + +#endif /* _ASM_PARAM_H */ diff --git a/arch/frv/include/asm/poll.h b/arch/frv/include/uapi/asm/poll.h index 0d01479ccc5..0d01479ccc5 100644 --- a/arch/frv/include/asm/poll.h +++ b/arch/frv/include/uapi/asm/poll.h diff --git a/arch/frv/include/uapi/asm/posix_types.h b/arch/frv/include/uapi/asm/posix_types.h new file mode 100644 index 00000000000..fe512af74a5 --- /dev/null +++ b/arch/frv/include/uapi/asm/posix_types.h @@ -0,0 +1,26 @@ +#ifndef _ASM_POSIX_TYPES_H +#define _ASM_POSIX_TYPES_H + +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +typedef unsigned short __kernel_mode_t; +#define __kernel_mode_t __kernel_mode_t + +typedef unsigned short __kernel_ipc_pid_t; +#define __kernel_ipc_pid_t __kernel_ipc_pid_t + +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +#define __kernel_uid_t __kernel_uid_t + +typedef unsigned short __kernel_old_dev_t; +#define __kernel_old_dev_t __kernel_old_dev_t + +#include <asm-generic/posix_types.h> + +#endif + diff --git a/arch/frv/include/uapi/asm/ptrace.h b/arch/frv/include/uapi/asm/ptrace.h new file mode 100644 index 00000000000..3887e493468 --- /dev/null +++ b/arch/frv/include/uapi/asm/ptrace.h @@ -0,0 +1,60 @@ +/* ptrace.h: ptrace() relevant definitions + * + * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _UAPI_ASM_PTRACE_H +#define _UAPI_ASM_PTRACE_H + +#include <asm/registers.h> + + +#define PT_PSR 0 +#define PT_ISR 1 +#define PT_CCR 2 +#define PT_CCCR 3 +#define PT_LR 4 +#define PT_LCR 5 +#define PT_PC 6 + +#define PT__STATUS 7 /* exception status */ +#define PT_SYSCALLNO 8 /* syscall number or -1 */ +#define PT_ORIG_GR8 9 /* saved GR8 for signal handling */ +#define PT_GNER0 10 +#define PT_GNER1 11 +#define PT_IACC0H 12 +#define PT_IACC0L 13 + +#define PT_GR(j) ( 14 + (j)) /* GRj for 0<=j<=63 */ +#define PT_FR(j) ( 78 + (j)) /* FRj for 0<=j<=63 */ +#define PT_FNER(j) (142 + (j)) /* FNERj for 0<=j<=1 */ +#define PT_MSR(j) (144 + (j)) /* MSRj for 0<=j<=2 */ +#define PT_ACC(j) (146 + (j)) /* ACCj for 0<=j<=7 */ +#define PT_ACCG(jklm) (154 + (jklm)) /* ACCGjklm for 0<=jklm<=1 (reads four regs per slot) */ +#define PT_FSR(j) (156 + (j)) /* FSRj for 0<=j<=0 */ +#define PT__GPEND 78 +#define PT__END 157 + +#define PT_TBR PT_GR(0) +#define PT_SP PT_GR(1) +#define PT_FP PT_GR(2) +#define PT_PREV_FRAME PT_GR(28) /* previous exception frame pointer (old gr28 value) */ +#define PT_CURR_TASK PT_GR(29) /* current task */ + + +/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 +#define PTRACE_GETFPREGS 14 +#define PTRACE_SETFPREGS 15 +#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */ + +#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */ +#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */ + +#endif /* _UAPI_ASM_PTRACE_H */ diff --git a/arch/frv/include/asm/registers.h b/arch/frv/include/uapi/asm/registers.h index 9666119fcf6..9666119fcf6 100644 --- a/arch/frv/include/asm/registers.h +++ b/arch/frv/include/uapi/asm/registers.h diff --git a/arch/frv/include/asm/resource.h b/arch/frv/include/uapi/asm/resource.h index 5fc60548fd0..5fc60548fd0 100644 --- a/arch/frv/include/asm/resource.h +++ b/arch/frv/include/uapi/asm/resource.h diff --git a/arch/frv/include/asm/sembuf.h b/arch/frv/include/uapi/asm/sembuf.h index 164b12786d6..164b12786d6 100644 --- a/arch/frv/include/asm/sembuf.h +++ b/arch/frv/include/uapi/asm/sembuf.h diff --git a/arch/frv/include/asm/suspend.h b/arch/frv/include/uapi/asm/setup.h index 5fa7b5a6ee4..fbf3fc96aae 100644 --- a/arch/frv/include/asm/suspend.h +++ b/arch/frv/include/uapi/asm/setup.h @@ -1,4 +1,4 @@ -/* suspend.h: suspension stuff +/* setup.h: setup stuff * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) @@ -9,12 +9,10 @@ * 2 of the License, or (at your option) any later version. */ -#ifndef _ASM_SUSPEND_H -#define _ASM_SUSPEND_H +#ifndef _UAPI_ASM_SETUP_H +#define _UAPI_ASM_SETUP_H -static inline int arch_prepare_suspend(void) -{ - return 0; -} +#define COMMAND_LINE_SIZE 512 -#endif /* _ASM_SUSPEND_H */ + +#endif /* _UAPI_ASM_SETUP_H */ diff --git a/arch/frv/include/asm/shmbuf.h b/arch/frv/include/uapi/asm/shmbuf.h index 4c6e711a477..4c6e711a477 100644 --- a/arch/frv/include/asm/shmbuf.h +++ b/arch/frv/include/uapi/asm/shmbuf.h diff --git a/arch/frv/include/asm/sigcontext.h b/arch/frv/include/uapi/asm/sigcontext.h index 3b263f3cc96..3b263f3cc96 100644 --- a/arch/frv/include/asm/sigcontext.h +++ b/arch/frv/include/uapi/asm/sigcontext.h diff --git a/arch/frv/include/asm/siginfo.h b/arch/frv/include/uapi/asm/siginfo.h index d3fd1ca4565..d3fd1ca4565 100644 --- a/arch/frv/include/asm/siginfo.h +++ b/arch/frv/include/uapi/asm/siginfo.h diff --git a/arch/frv/include/uapi/asm/signal.h b/arch/frv/include/uapi/asm/signal.h new file mode 100644 index 00000000000..bf3b162f9be --- /dev/null +++ b/arch/frv/include/uapi/asm/signal.h @@ -0,0 +1,36 @@ +#ifndef _UAPI_ASM_SIGNAL_H +#define _UAPI_ASM_SIGNAL_H + +#include <linux/types.h> + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +#define NSIG 32 +typedef unsigned long sigset_t; + +#endif /* !__KERNEL__ */ + +#define SA_RESTORER 0x04000000 /* to get struct sigaction correct */ + +#include <asm-generic/signal.h> + +#ifndef __KERNEL__ +/* Here we must cater to libcs that poke about in kernel headers. */ + +struct sigaction { + union { + __sighandler_t _sa_handler; + void (*_sa_sigaction)(int, struct siginfo *, void *); + } _u; + sigset_t sa_mask; + unsigned long sa_flags; + void (*sa_restorer)(void); +}; + +#define sa_handler _u._sa_handler +#define sa_sigaction _u._sa_sigaction + +#endif /* __KERNEL__ */ + +#endif /* _UAPI_ASM_SIGNAL_H */ diff --git a/arch/frv/include/asm/socket.h b/arch/frv/include/uapi/asm/socket.h index 57c3d4054e8..ca2c6e6f31c 100644 --- a/arch/frv/include/asm/socket.h +++ b/arch/frv/include/uapi/asm/socket.h @@ -22,7 +22,7 @@ #define SO_PRIORITY 12 #define SO_LINGER 13 #define SO_BSDCOMPAT 14 -/* To add :#define SO_REUSEPORT 15 */ +#define SO_REUSEPORT 15 #define SO_PASSCRED 16 #define SO_PEERCRED 17 #define SO_RCVLOWAT 18 @@ -40,6 +40,7 @@ /* Socket filtering */ #define SO_ATTACH_FILTER 26 #define SO_DETACH_FILTER 27 +#define SO_GET_FILTER SO_ATTACH_FILTER #define SO_PEERNAME 28 #define SO_TIMESTAMP 29 @@ -57,5 +58,27 @@ #define SO_TIMESTAMPING 37 #define SCM_TIMESTAMPING SO_TIMESTAMPING +#define SO_PROTOCOL 38 +#define SO_DOMAIN 39 + +#define SO_RXQ_OVFL 40 + +#define SO_WIFI_STATUS 41 +#define SCM_WIFI_STATUS SO_WIFI_STATUS +#define SO_PEEK_OFF 42 + +/* Instruct lower device to use last 4-bytes of skb data as FCS */ +#define SO_NOFCS 43 + +#define SO_LOCK_FILTER 44 + +#define SO_SELECT_ERR_QUEUE 45 + +#define SO_BUSY_POLL 46 + +#define SO_MAX_PACING_RATE 47 + +#define SO_BPF_EXTENSIONS 48 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/frv/include/asm/sockios.h b/arch/frv/include/uapi/asm/sockios.h index 5dbdd13e6de..5dbdd13e6de 100644 --- a/arch/frv/include/asm/sockios.h +++ b/arch/frv/include/uapi/asm/sockios.h diff --git a/arch/frv/include/asm/stat.h b/arch/frv/include/uapi/asm/stat.h index ce56de9b37b..ce56de9b37b 100644 --- a/arch/frv/include/asm/stat.h +++ b/arch/frv/include/uapi/asm/stat.h diff --git a/arch/frv/include/asm/statfs.h b/arch/frv/include/uapi/asm/statfs.h index 741f586045b..741f586045b 100644 --- a/arch/frv/include/asm/statfs.h +++ b/arch/frv/include/uapi/asm/statfs.h diff --git a/arch/frv/include/asm/swab.h b/arch/frv/include/uapi/asm/swab.h index f305834b479..f305834b479 100644 --- a/arch/frv/include/asm/swab.h +++ b/arch/frv/include/uapi/asm/swab.h diff --git a/arch/frv/include/asm/termbits.h b/arch/frv/include/uapi/asm/termbits.h index 5568492b508..7722e19cc34 100644 --- a/arch/frv/include/asm/termbits.h +++ b/arch/frv/include/uapi/asm/termbits.h @@ -180,6 +180,7 @@ struct ktermios { #define FLUSHO 0010000 #define PENDIN 0040000 #define IEXTEN 0100000 +#define EXTPROC 0200000 /* tcflow() and TCXONC use these */ diff --git a/arch/frv/include/uapi/asm/termios.h b/arch/frv/include/uapi/asm/termios.h new file mode 100644 index 00000000000..edcc08a2238 --- /dev/null +++ b/arch/frv/include/uapi/asm/termios.h @@ -0,0 +1,46 @@ +#ifndef _UAPI_ASM_TERMIOS_H +#define _UAPI_ASM_TERMIOS_H + +#include <asm/termbits.h> +#include <asm/ioctls.h> + +struct winsize { + unsigned short ws_row; + unsigned short ws_col; + unsigned short ws_xpixel; + unsigned short ws_ypixel; +}; + +#define NCC 8 +struct termio { + unsigned short c_iflag; /* input mode flags */ + unsigned short c_oflag; /* output mode flags */ + unsigned short c_cflag; /* control mode flags */ + unsigned short c_lflag; /* local mode flags */ + unsigned char c_line; /* line discipline */ + unsigned char c_cc[NCC]; /* control characters */ +}; + + +/* modem lines */ +#define TIOCM_LE 0x001 +#define TIOCM_DTR 0x002 +#define TIOCM_RTS 0x004 +#define TIOCM_ST 0x008 +#define TIOCM_SR 0x010 +#define TIOCM_CTS 0x020 +#define TIOCM_CAR 0x040 +#define TIOCM_RNG 0x080 +#define TIOCM_DSR 0x100 +#define TIOCM_CD TIOCM_CAR +#define TIOCM_RI TIOCM_RNG +#define TIOCM_OUT1 0x2000 +#define TIOCM_OUT2 0x4000 +#define TIOCM_LOOP 0x8000 + +#define TIOCM_MODEM_BITS TIOCM_OUT2 /* IRDA support */ + +/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ + + +#endif /* _UAPI_ASM_TERMIOS_H */ diff --git a/arch/frv/include/uapi/asm/types.h b/arch/frv/include/uapi/asm/types.h new file mode 100644 index 00000000000..cf23149943f --- /dev/null +++ b/arch/frv/include/uapi/asm/types.h @@ -0,0 +1,11 @@ +/* types.h: FRV types + * + * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <asm-generic/int-ll64.h> diff --git a/arch/frv/include/uapi/asm/unistd.h b/arch/frv/include/uapi/asm/unistd.h new file mode 100644 index 00000000000..9e2612ff1c9 --- /dev/null +++ b/arch/frv/include/uapi/asm/unistd.h @@ -0,0 +1,348 @@ +#ifndef _UAPI_ASM_UNISTD_H_ +#define _UAPI_ASM_UNISTD_H_ + +/* + * This file contains the system call numbers. + */ + +#define __NR_restart_syscall 0 +#define __NR_exit 1 +#define __NR_fork 2 +#define __NR_read 3 +#define __NR_write 4 +#define __NR_open 5 +#define __NR_close 6 +#define __NR_waitpid 7 +#define __NR_creat 8 +#define __NR_link 9 +#define __NR_unlink 10 +#define __NR_execve 11 +#define __NR_chdir 12 +#define __NR_time 13 +#define __NR_mknod 14 +#define __NR_chmod 15 +#define __NR_lchown 16 +#define __NR_break 17 +#define __NR_oldstat 18 +#define __NR_lseek 19 +#define __NR_getpid 20 +#define __NR_mount 21 +#define __NR_umount 22 +#define __NR_setuid 23 +#define __NR_getuid 24 +#define __NR_stime 25 +#define __NR_ptrace 26 +#define __NR_alarm 27 +#define __NR_oldfstat 28 +#define __NR_pause 29 +#define __NR_utime 30 +#define __NR_stty 31 +#define __NR_gtty 32 +#define __NR_access 33 +#define __NR_nice 34 +#define __NR_ftime 35 +#define __NR_sync 36 +#define __NR_kill 37 +#define __NR_rename 38 +#define __NR_mkdir 39 +#define __NR_rmdir 40 +#define __NR_dup 41 +#define __NR_pipe 42 +#define __NR_times 43 +#define __NR_prof 44 +#define __NR_brk 45 +#define __NR_setgid 46 +#define __NR_getgid 47 +#define __NR_signal 48 +#define __NR_geteuid 49 +#define __NR_getegid 50 +#define __NR_acct 51 +#define __NR_umount2 52 +#define __NR_lock 53 +#define __NR_ioctl 54 +#define __NR_fcntl 55 +#define __NR_mpx 56 +#define __NR_setpgid 57 +#define __NR_ulimit 58 +// #define __NR_oldolduname /* 59 */ obsolete +#define __NR_umask 60 +#define __NR_chroot 61 +#define __NR_ustat 62 +#define __NR_dup2 63 +#define __NR_getppid 64 +#define __NR_getpgrp 65 +#define __NR_setsid 66 +#define __NR_sigaction 67 +#define __NR_sgetmask 68 +#define __NR_ssetmask 69 +#define __NR_setreuid 70 +#define __NR_setregid 71 +#define __NR_sigsuspend 72 +#define __NR_sigpending 73 +#define __NR_sethostname 74 +#define __NR_setrlimit 75 +#define __NR_getrlimit 76 /* Back compatible 2Gig limited rlimit */ +#define __NR_getrusage 77 +#define __NR_gettimeofday 78 +#define __NR_settimeofday 79 +#define __NR_getgroups 80 +#define __NR_setgroups 81 +#define __NR_select 82 +#define __NR_symlink 83 +#define __NR_oldlstat 84 +#define __NR_readlink 85 +#define __NR_uselib 86 +#define __NR_swapon 87 +#define __NR_reboot 88 +#define __NR_readdir 89 +// #define __NR_mmap 90 /* obsolete - not implemented */ +#define __NR_munmap 91 +#define __NR_truncate 92 +#define __NR_ftruncate 93 +#define __NR_fchmod 94 +#define __NR_fchown 95 +#define __NR_getpriority 96 +#define __NR_setpriority 97 +// #define __NR_profil /* 98 */ obsolete +#define __NR_statfs 99 +#define __NR_fstatfs 100 +// #define __NR_ioperm /* 101 */ not supported +#define __NR_socketcall 102 +#define __NR_syslog 103 +#define __NR_setitimer 104 +#define __NR_getitimer 105 +#define __NR_stat 106 +#define __NR_lstat 107 +#define __NR_fstat 108 +// #define __NR_olduname /* 109 */ obsolete +// #define __NR_iopl /* 110 */ not supported +#define __NR_vhangup 111 +// #define __NR_idle /* 112 */ Obsolete +// #define __NR_vm86old /* 113 */ not supported +#define __NR_wait4 114 +#define __NR_swapoff 115 +#define __NR_sysinfo 116 +#define __NR_ipc 117 +#define __NR_fsync 118 +#define __NR_sigreturn 119 +#define __NR_clone 120 +#define __NR_setdomainname 121 +#define __NR_uname 122 +// #define __NR_modify_ldt /* 123 */ not supported +#define __NR_cacheflush 123 +#define __NR_adjtimex 124 +#define __NR_mprotect 125 +#define __NR_sigprocmask 126 +#define __NR_create_module 127 +#define __NR_init_module 128 +#define __NR_delete_module 129 +#define __NR_get_kernel_syms 130 +#define __NR_quotactl 131 +#define __NR_getpgid 132 +#define __NR_fchdir 133 +#define __NR_bdflush 134 +#define __NR_sysfs 135 +#define __NR_personality 136 +#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ +#define __NR_setfsuid 138 +#define __NR_setfsgid 139 +#define __NR__llseek 140 +#define __NR_getdents 141 +#define __NR__newselect 142 +#define __NR_flock 143 +#define __NR_msync 144 +#define __NR_readv 145 +#define __NR_writev 146 +#define __NR_getsid 147 +#define __NR_fdatasync 148 +#define __NR__sysctl 149 +#define __NR_mlock 150 +#define __NR_munlock 151 +#define __NR_mlockall 152 +#define __NR_munlockall 153 +#define __NR_sched_setparam 154 +#define __NR_sched_getparam 155 +#define __NR_sched_setscheduler 156 +#define __NR_sched_getscheduler 157 +#define __NR_sched_yield 158 +#define __NR_sched_get_priority_max 159 +#define __NR_sched_get_priority_min 160 +#define __NR_sched_rr_get_interval 161 +#define __NR_nanosleep 162 +#define __NR_mremap 163 +#define __NR_setresuid 164 +#define __NR_getresuid 165 +// #define __NR_vm86 /* 166 */ not supported +#define __NR_query_module 167 +#define __NR_poll 168 +#define __NR_nfsservctl 169 +#define __NR_setresgid 170 +#define __NR_getresgid 171 +#define __NR_prctl 172 +#define __NR_rt_sigreturn 173 +#define __NR_rt_sigaction 174 +#define __NR_rt_sigprocmask 175 +#define __NR_rt_sigpending 176 +#define __NR_rt_sigtimedwait 177 +#define __NR_rt_sigqueueinfo 178 +#define __NR_rt_sigsuspend 179 +#define __NR_pread64 180 +#define __NR_pwrite64 181 +#define __NR_chown 182 +#define __NR_getcwd 183 +#define __NR_capget 184 +#define __NR_capset 185 +#define __NR_sigaltstack 186 +#define __NR_sendfile 187 +#define __NR_getpmsg 188 /* some people actually want streams */ +#define __NR_putpmsg 189 /* some people actually want streams */ +#define __NR_vfork 190 +#define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ +#define __NR_mmap2 192 +#define __NR_truncate64 193 +#define __NR_ftruncate64 194 +#define __NR_stat64 195 +#define __NR_lstat64 196 +#define __NR_fstat64 197 +#define __NR_lchown32 198 +#define __NR_getuid32 199 +#define __NR_getgid32 200 +#define __NR_geteuid32 201 +#define __NR_getegid32 202 +#define __NR_setreuid32 203 +#define __NR_setregid32 204 +#define __NR_getgroups32 205 +#define __NR_setgroups32 206 +#define __NR_fchown32 207 +#define __NR_setresuid32 208 +#define __NR_getresuid32 209 +#define __NR_setresgid32 210 +#define __NR_getresgid32 211 +#define __NR_chown32 212 +#define __NR_setuid32 213 +#define __NR_setgid32 214 +#define __NR_setfsuid32 215 +#define __NR_setfsgid32 216 +#define __NR_pivot_root 217 +#define __NR_mincore 218 +#define __NR_madvise 219 + +#define __NR_getdents64 220 +#define __NR_fcntl64 221 +#define __NR_security 223 /* syscall for security modules */ +#define __NR_gettid 224 +#define __NR_readahead 225 +#define __NR_setxattr 226 +#define __NR_lsetxattr 227 +#define __NR_fsetxattr 228 +#define __NR_getxattr 229 +#define __NR_lgetxattr 230 +#define __NR_fgetxattr 231 +#define __NR_listxattr 232 +#define __NR_llistxattr 233 +#define __NR_flistxattr 234 +#define __NR_removexattr 235 +#define __NR_lremovexattr 236 +#define __NR_fremovexattr 237 +#define __NR_tkill 238 +#define __NR_sendfile64 239 +#define __NR_futex 240 +#define __NR_sched_setaffinity 241 +#define __NR_sched_getaffinity 242 +#define __NR_set_thread_area 243 +#define __NR_get_thread_area 244 +#define __NR_io_setup 245 +#define __NR_io_destroy 246 +#define __NR_io_getevents 247 +#define __NR_io_submit 248 +#define __NR_io_cancel 249 +#define __NR_fadvise64 250 + +#define __NR_exit_group 252 +#define __NR_lookup_dcookie 253 +#define __NR_epoll_create 254 +#define __NR_epoll_ctl 255 +#define __NR_epoll_wait 256 +#define __NR_remap_file_pages 257 +#define __NR_set_tid_address 258 +#define __NR_timer_create 259 +#define __NR_timer_settime (__NR_timer_create+1) +#define __NR_timer_gettime (__NR_timer_create+2) +#define __NR_timer_getoverrun (__NR_timer_create+3) +#define __NR_timer_delete (__NR_timer_create+4) +#define __NR_clock_settime (__NR_timer_create+5) +#define __NR_clock_gettime (__NR_timer_create+6) +#define __NR_clock_getres (__NR_timer_create+7) +#define __NR_clock_nanosleep (__NR_timer_create+8) +#define __NR_statfs64 268 +#define __NR_fstatfs64 269 +#define __NR_tgkill 270 +#define __NR_utimes 271 +#define __NR_fadvise64_64 272 +#define __NR_vserver 273 +#define __NR_mbind 274 +#define __NR_get_mempolicy 275 +#define __NR_set_mempolicy 276 +#define __NR_mq_open 277 +#define __NR_mq_unlink (__NR_mq_open+1) +#define __NR_mq_timedsend (__NR_mq_open+2) +#define __NR_mq_timedreceive (__NR_mq_open+3) +#define __NR_mq_notify (__NR_mq_open+4) +#define __NR_mq_getsetattr (__NR_mq_open+5) +#define __NR_kexec_load 283 +#define __NR_waitid 284 +/* #define __NR_sys_setaltroot 285 */ +#define __NR_add_key 286 +#define __NR_request_key 287 +#define __NR_keyctl 288 +#define __NR_ioprio_set 289 +#define __NR_ioprio_get 290 +#define __NR_inotify_init 291 +#define __NR_inotify_add_watch 292 +#define __NR_inotify_rm_watch 293 +#define __NR_migrate_pages 294 +#define __NR_openat 295 +#define __NR_mkdirat 296 +#define __NR_mknodat 297 +#define __NR_fchownat 298 +#define __NR_futimesat 299 +#define __NR_fstatat64 300 +#define __NR_unlinkat 301 +#define __NR_renameat 302 +#define __NR_linkat 303 +#define __NR_symlinkat 304 +#define __NR_readlinkat 305 +#define __NR_fchmodat 306 +#define __NR_faccessat 307 +#define __NR_pselect6 308 +#define __NR_ppoll 309 +#define __NR_unshare 310 +#define __NR_set_robust_list 311 +#define __NR_get_robust_list 312 +#define __NR_splice 313 +#define __NR_sync_file_range 314 +#define __NR_tee 315 +#define __NR_vmsplice 316 +#define __NR_move_pages 317 +#define __NR_getcpu 318 +#define __NR_epoll_pwait 319 +#define __NR_utimensat 320 +#define __NR_signalfd 321 +#define __NR_timerfd_create 322 +#define __NR_eventfd 323 +#define __NR_fallocate 324 +#define __NR_timerfd_settime 325 +#define __NR_timerfd_gettime 326 +#define __NR_signalfd4 327 +#define __NR_eventfd2 328 +#define __NR_epoll_create1 329 +#define __NR_dup3 330 +#define __NR_pipe2 331 +#define __NR_inotify_init1 332 +#define __NR_preadv 333 +#define __NR_pwritev 334 +#define __NR_rt_tgsigqueueinfo 335 +#define __NR_perf_event_open 336 +#define __NR_setns 337 + +#endif /* _UAPI_ASM_UNISTD_H_ */ diff --git a/arch/frv/kernel/Makefile b/arch/frv/kernel/Makefile index c36f70b6699..3cbb3294b9f 100644 --- a/arch/frv/kernel/Makefile +++ b/arch/frv/kernel/Makefile @@ -5,10 +5,10 @@ heads-y := head-uc-fr401.o head-uc-fr451.o head-uc-fr555.o heads-$(CONFIG_MMU) := head-mmu-fr451.o -extra-y:= head.o init_task.o vmlinux.lds +extra-y:= head.o vmlinux.lds -obj-y := $(heads-y) entry.o entry-table.o break.o switch_to.o kernel_thread.o \ - kernel_execve.o process.o traps.o ptrace.o signal.o dma.o \ +obj-y := $(heads-y) entry.o entry-table.o break.o switch_to.o \ + process.o traps.o ptrace.o signal.o dma.o \ sys_frv.o time.o setup.o frv_ksyms.o \ debug-stub.o irq.o sleep.o uaccess.o diff --git a/arch/frv/kernel/break.S b/arch/frv/kernel/break.S index bd0bdf908d9..cbb6958a314 100644 --- a/arch/frv/kernel/break.S +++ b/arch/frv/kernel/break.S @@ -21,7 +21,7 @@ # # the break handler has its own stack # - .section .bss.stack + .section .bss..stack .globl __break_user_context .balign THREAD_SIZE __break_stack: @@ -63,7 +63,7 @@ __break_trace_through_exceptions: # entry point for Break Exceptions/Interrupts # ############################################################################### - .section .text.break + .section .text..break .balign 4 .globl __entry_break __entry_break: diff --git a/arch/frv/kernel/debug-stub.c b/arch/frv/kernel/debug-stub.c index 2f6c60c921e..a0228f717ef 100644 --- a/arch/frv/kernel/debug-stub.c +++ b/arch/frv/kernel/debug-stub.c @@ -15,8 +15,8 @@ #include <linux/sched.h> #include <linux/init.h> #include <linux/serial_reg.h> +#include <linux/start_kernel.h> -#include <asm/system.h> #include <asm/serial-regs.h> #include <asm/timer-regs.h> #include <asm/irc-regs.h> diff --git a/arch/frv/kernel/entry-table.S b/arch/frv/kernel/entry-table.S index bf35f33e48c..06c5ae191e5 100644 --- a/arch/frv/kernel/entry-table.S +++ b/arch/frv/kernel/entry-table.S @@ -86,7 +86,7 @@ __break_usertrap_fixup_table: .globl __break_kerneltrap_fixup_table __break_kerneltrap_fixup_table: - # handler declaration for a sofware or program interrupt + # handler declaration for a software or program interrupt .macro VECTOR_SOFTPROG tbr_tt, vec .section .trap.user .org \tbr_tt @@ -145,7 +145,7 @@ __break_kerneltrap_fixup_table: .long \vec .endm - # handler declaration for an MMU only sofware or program interrupt + # handler declaration for an MMU only software or program interrupt .macro VECTOR_SP_MMU tbr_tt, vec #ifdef CONFIG_MMU VECTOR_SOFTPROG \tbr_tt, \vec diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index 356e0e327a8..dfcd263c051 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -38,7 +38,7 @@ #define nr_syscalls ((syscall_table_size)/4) - .section .text.entry + .section .text..entry .balign 4 .macro LEDS val @@ -863,6 +863,14 @@ ret_from_fork: setlos.p #0,gr8 bra __syscall_exit + .globl ret_from_kernel_thread +ret_from_kernel_thread: + lddi.p @(gr28,#REG_GR(8)),gr20 + call schedule_tail + calll.p @(gr21,gr0) + or gr20,gr20,gr8 + bra __syscall_exit + ################################################################################################### # # Return to user mode is not as complex as all this looks, @@ -905,18 +913,19 @@ __syscall_call: __syscall_exit: LEDS 0x6300 - sti gr8,@(gr28,#REG_GR(8)) ; save return value + # keep current PSR in GR23 + movsg psr,gr23 - # rebuild saved psr - execve will change it for init/main.c ldi @(gr28,#REG_PSR),gr22 + + sti.p gr8,@(gr28,#REG_GR(8)) ; save return value + + # rebuild saved psr - execve will change it for init/main.c srli gr22,#1,gr5 andi.p gr22,#~PSR_PS,gr22 andi gr5,#PSR_PS,gr5 or gr5,gr22,gr22 - ori gr22,#PSR_S,gr22 - - # keep current PSR in GR23 - movsg psr,gr23 + ori.p gr22,#PSR_S,gr22 # make sure we don't miss an interrupt setting need_resched or sigpending between # sampling and the RETT @@ -924,9 +933,7 @@ __syscall_exit: movgs gr23,psr ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_ALLWORK_MASK),gr5 - setlo %lo(_TIF_ALLWORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_ALLWORK_MASK,gr0,icc0 bne icc0,#0,__syscall_exit_work # restore all registers and return @@ -1068,27 +1075,10 @@ __entry_return_from_kernel_interrupt: subicc gr5,#0,gr0,icc0 beq icc0,#0,__entry_return_direct -__entry_preempt_need_resched: - ldi @(gr15,#TI_FLAGS),gr4 - andicc gr4,#_TIF_NEED_RESCHED,gr0,icc0 - beq icc0,#1,__entry_return_direct - - setlos #PREEMPT_ACTIVE,gr5 - sti gr5,@(gr15,#TI_FLAGS) - - andi gr23,#~PSR_PIL,gr23 - movgs gr23,psr - - call schedule - sti gr0,@(gr15,#TI_PRE_COUNT) - - movsg psr,gr23 - ori gr23,#PSR_PIL_14,gr23 - movgs gr23,psr - bra __entry_preempt_need_resched -#else - bra __entry_return_direct + subcc gr0,gr0,gr0,icc2 /* set Z and clear C */ + call preempt_schedule_irq #endif + bra __entry_return_direct ############################################################################### @@ -1111,9 +1101,7 @@ __entry_resume_userspace: __entry_return_from_user_interrupt: LEDS 0x6402 ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_WORK_MASK),gr5 - setlo %lo(_TIF_WORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_WORK_MASK,gr0,icc0 beq icc0,#1,__entry_return_direct __entry_work_pending: @@ -1133,9 +1121,7 @@ __entry_work_resched: LEDS 0x6401 ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_WORK_MASK),gr5 - setlo %lo(_TIF_WORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_WORK_MASK,gr0,icc0 beq icc0,#1,__entry_return_direct andicc gr4,#_TIF_NEED_RESCHED,gr0,icc0 bne icc0,#1,__entry_work_resched @@ -1163,7 +1149,9 @@ __syscall_trace_entry: # perform syscall exit tracing __syscall_exit_work: LEDS 0x6340 - andicc gr4,#_TIF_SYSCALL_TRACE,gr0,icc0 + andicc gr22,#PSR_PS,gr0,icc1 ; don't handle on return to kernel mode + andicc.p gr4,#_TIF_SYSCALL_TRACE,gr0,icc0 + bne icc1,#0,__entry_return_direct beq icc0,#1,__entry_work_pending movsg psr,gr23 @@ -1358,7 +1346,7 @@ sys_call_table: .long sys_ni_syscall /* for vm86 */ .long sys_ni_syscall /* Old sys_query_module */ .long sys_poll - .long sys_nfsservctl + .long sys_ni_syscall /* Old nfsservctl */ .long sys_setresgid16 /* 170 */ .long sys_getresgid16 .long sys_prctl @@ -1524,5 +1512,8 @@ sys_call_table: .long sys_inotify_init1 .long sys_preadv .long sys_pwritev + .long sys_rt_tgsigqueueinfo /* 335 */ + .long sys_perf_event_open + .long sys_setns syscall_table_size = (. - sys_call_table) diff --git a/arch/frv/kernel/frv_ksyms.c b/arch/frv/kernel/frv_ksyms.c index 0316b3c50ef..86c516d96dc 100644 --- a/arch/frv/kernel/frv_ksyms.c +++ b/arch/frv/kernel/frv_ksyms.c @@ -30,7 +30,6 @@ EXPORT_SYMBOL(ip_fast_csum); EXPORT_SYMBOL(local_irq_count); EXPORT_SYMBOL(local_bh_count); #endif -EXPORT_SYMBOL(kernel_thread); EXPORT_SYMBOL(__res_bus_clock_speed_HZ); EXPORT_SYMBOL(__page_offset); @@ -67,6 +66,10 @@ EXPORT_SYMBOL(atomic_sub_return); EXPORT_SYMBOL(__xchg_32); EXPORT_SYMBOL(__cmpxchg_32); #endif +EXPORT_SYMBOL(atomic64_add_return); +EXPORT_SYMBOL(atomic64_sub_return); +EXPORT_SYMBOL(__xchg_64); +EXPORT_SYMBOL(__cmpxchg_64); EXPORT_SYMBOL(__debug_bug_printk); EXPORT_SYMBOL(__delay_loops_MHz); diff --git a/arch/frv/kernel/futex.c b/arch/frv/kernel/futex.c index 14f64b054c7..d155ca9e509 100644 --- a/arch/frv/kernel/futex.c +++ b/arch/frv/kernel/futex.c @@ -18,7 +18,7 @@ * the various futex operations; MMU fault checking is ignored under no-MMU * conditions */ -static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr, int *_oldval) +static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr, int *_oldval) { int oldval, ret; @@ -50,7 +50,7 @@ static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr, int *_o return ret; } -static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr, int *_oldval) +static inline int atomic_futex_op_xchg_add(int oparg, u32 __user *uaddr, int *_oldval) { int oldval, ret; @@ -83,7 +83,7 @@ static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr, int *_o return ret; } -static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr, int *_oldval) +static inline int atomic_futex_op_xchg_or(int oparg, u32 __user *uaddr, int *_oldval) { int oldval, ret; @@ -116,7 +116,7 @@ static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr, int *_ol return ret; } -static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr, int *_oldval) +static inline int atomic_futex_op_xchg_and(int oparg, u32 __user *uaddr, int *_oldval) { int oldval, ret; @@ -149,7 +149,7 @@ static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr, int *_o return ret; } -static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr, int *_oldval) +static inline int atomic_futex_op_xchg_xor(int oparg, u32 __user *uaddr, int *_oldval) { int oldval, ret; @@ -186,7 +186,7 @@ static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr, int *_o /* * do the futex operations */ -int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) +int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -197,7 +197,7 @@ int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; pagefault_disable(); diff --git a/arch/frv/kernel/gdb-io.c b/arch/frv/kernel/gdb-io.c index c997bccb922..0707d35079b 100644 --- a/arch/frv/kernel/gdb-io.c +++ b/arch/frv/kernel/gdb-io.c @@ -19,7 +19,6 @@ #include <linux/serial_reg.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/irc-regs.h> #include <asm/timer-regs.h> #include <asm/gdb-stub.h> @@ -171,11 +170,11 @@ int gdbstub_rx_char(unsigned char *_ch, int nonblock) return -EINTR; } else if (st & (UART_LSR_FE|UART_LSR_OE|UART_LSR_PE)) { - gdbstub_proto("### GDB Rx Error (st=%02x) ###\n",st); + gdbstub_io("### GDB Rx Error (st=%02x) ###\n",st); return -EIO; } else { - gdbstub_proto("### GDB Rx %02x (st=%02x) ###\n",ch,st); + gdbstub_io("### GDB Rx %02x (st=%02x) ###\n",ch,st); *_ch = ch & 0x7f; return 0; } diff --git a/arch/frv/kernel/gdb-stub.c b/arch/frv/kernel/gdb-stub.c index 7ca8a6b19ac..bbe78b0bffe 100644 --- a/arch/frv/kernel/gdb-stub.c +++ b/arch/frv/kernel/gdb-stub.c @@ -126,7 +126,6 @@ #include <asm/asm-offsets.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/gdb-stub.h> #define LEDS(x) do { /* *(u32*)0xe1200004 = ~(x); mb(); */ } while(0) @@ -672,7 +671,7 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa if ((uint32_t)mem&1 && count>=1) { if (!gdbstub_read_byte(mem,ch)) return NULL; - buf = pack_hex_byte(buf, ch[0]); + buf = hex_byte_pack(buf, ch[0]); mem++; count--; } @@ -680,8 +679,8 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa if ((uint32_t)mem&3 && count>=2) { if (!gdbstub_read_word(mem,(uint16_t *)ch)) return NULL; - buf = pack_hex_byte(buf, ch[0]); - buf = pack_hex_byte(buf, ch[1]); + buf = hex_byte_pack(buf, ch[0]); + buf = hex_byte_pack(buf, ch[1]); mem += 2; count -= 2; } @@ -689,10 +688,10 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa while (count>=4) { if (!gdbstub_read_dword(mem,(uint32_t *)ch)) return NULL; - buf = pack_hex_byte(buf, ch[0]); - buf = pack_hex_byte(buf, ch[1]); - buf = pack_hex_byte(buf, ch[2]); - buf = pack_hex_byte(buf, ch[3]); + buf = hex_byte_pack(buf, ch[0]); + buf = hex_byte_pack(buf, ch[1]); + buf = hex_byte_pack(buf, ch[2]); + buf = hex_byte_pack(buf, ch[3]); mem += 4; count -= 4; } @@ -700,8 +699,8 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa if (count>=2) { if (!gdbstub_read_word(mem,(uint16_t *)ch)) return NULL; - buf = pack_hex_byte(buf, ch[0]); - buf = pack_hex_byte(buf, ch[1]); + buf = hex_byte_pack(buf, ch[0]); + buf = hex_byte_pack(buf, ch[1]); mem += 2; count -= 2; } @@ -709,7 +708,7 @@ static unsigned char *mem2hex(const void *_mem, char *buf, int count, int may_fa if (count>=1) { if (!gdbstub_read_byte(mem,ch)) return NULL; - buf = pack_hex_byte(buf, ch[0]); + buf = hex_byte_pack(buf, ch[0]); } *buf = 0; @@ -1344,6 +1343,44 @@ void gdbstub_get_mmu_state(void) } /* end gdbstub_get_mmu_state() */ +/* + * handle general query commands of the form 'qXXXXX' + */ +static void gdbstub_handle_query(void) +{ + if (strcmp(input_buffer, "qAttached") == 0) { + /* return current thread ID */ + sprintf(output_buffer, "1"); + return; + } + + if (strcmp(input_buffer, "qC") == 0) { + /* return current thread ID */ + sprintf(output_buffer, "QC 0"); + return; + } + + if (strcmp(input_buffer, "qOffsets") == 0) { + /* return relocation offset of text and data segments */ + sprintf(output_buffer, "Text=0;Data=0;Bss=0"); + return; + } + + if (strcmp(input_buffer, "qSymbol::") == 0) { + sprintf(output_buffer, "OK"); + return; + } + + if (strcmp(input_buffer, "qSupported") == 0) { + /* query of supported features */ + sprintf(output_buffer, "PacketSize=%u;ReverseContinue-;ReverseStep-", + sizeof(input_buffer)); + return; + } + + gdbstub_strcpy(output_buffer,"E01"); +} + /*****************************************************************************/ /* * handle event interception and GDB remote protocol processing @@ -1460,21 +1497,21 @@ void gdbstub(int sigval) ptr = mem2hex(title, ptr, sizeof(title) - 1,0); hx = hex_asc_hi(brr >> 24); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_lo(brr >> 24); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_hi(brr >> 16); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_lo(brr >> 16); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_hi(brr >> 8); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_lo(brr >> 8); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_hi(brr); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); hx = hex_asc_lo(brr); - ptr = pack_hex_byte(ptr, hx); + ptr = hex_byte_pack(ptr, hx); ptr = mem2hex(crlf, ptr, sizeof(crlf) - 1, 0); *ptr = 0; @@ -1488,10 +1525,10 @@ void gdbstub(int sigval) /* Send trap type (converted to signal) */ *ptr++ = 'T'; - ptr = pack_hex_byte(ptr, sigval); + ptr = hex_byte_pack(ptr, sigval); /* Send Error PC */ - ptr = pack_hex_byte(ptr, GDB_REG_PC); + ptr = hex_byte_pack(ptr, GDB_REG_PC); *ptr++ = ':'; ptr = mem2hex(&__debug_frame->pc, ptr, 4, 0); *ptr++ = ';'; @@ -1499,7 +1536,7 @@ void gdbstub(int sigval) /* * Send frame pointer */ - ptr = pack_hex_byte(ptr, GDB_REG_FP); + ptr = hex_byte_pack(ptr, GDB_REG_FP); *ptr++ = ':'; ptr = mem2hex(&__debug_frame->fp, ptr, 4, 0); *ptr++ = ';'; @@ -1507,7 +1544,7 @@ void gdbstub(int sigval) /* * Send stack pointer */ - ptr = pack_hex_byte(ptr, GDB_REG_SP); + ptr = hex_byte_pack(ptr, GDB_REG_SP); *ptr++ = ':'; ptr = mem2hex(&__debug_frame->sp, ptr, 4, 0); *ptr++ = ';'; @@ -1751,6 +1788,12 @@ void gdbstub(int sigval) flush_cache = 1; break; + /* pNN: Read value of reg N and return it */ + case 'p': + /* return no value, indicating that we don't support + * this command and that gdb should use 'g' instead */ + break; + /* PNN,=RRRRRRRR: Write value R to reg N return OK */ case 'P': ptr = &input_buffer[1]; @@ -1840,6 +1883,10 @@ void gdbstub(int sigval) case 'k' : goto done; /* just continue */ + /* detach */ + case 'D': + gdbstub_strcpy(output_buffer, "OK"); + break; /* reset the whole machine (FIXME: system dependent) */ case 'r': @@ -1852,6 +1899,14 @@ void gdbstub(int sigval) __debug_status.dcr |= DCR_SE; goto done; + /* extended command */ + case 'v': + if (strcmp(input_buffer, "vCont?") == 0) { + output_buffer[0] = 0; + break; + } + goto unsupported_cmd; + /* set baud rate (bBB) */ case 'b': ptr = &input_buffer[1]; @@ -1923,8 +1978,19 @@ void gdbstub(int sigval) gdbstub_strcpy(output_buffer,"OK"); break; + /* Thread-setting packet */ + case 'H': + gdbstub_strcpy(output_buffer, "OK"); + break; + + case 'q': + gdbstub_handle_query(); + break; + default: + unsupported_cmd: gdbstub_proto("### GDB Unsupported Cmd '%s'\n",input_buffer); + gdbstub_strcpy(output_buffer,"E01"); break; } diff --git a/arch/frv/kernel/head.S b/arch/frv/kernel/head.S index b825ef3f2d5..a7d0bea9c03 100644 --- a/arch/frv/kernel/head.S +++ b/arch/frv/kernel/head.S @@ -479,11 +479,6 @@ __head_mmu_enabled: LEDS 0x000c - # initialise the processor and the peripherals - #call SYMBOL_NAME(processor_init) - #call SYMBOL_NAME(unit_init) - #LEDS 0x0aff - sethi.p #0xe5e5,gr3 setlo #0xe5e5,gr3 or.p gr3,gr0,gr4 @@ -542,7 +537,7 @@ __head_end: .size _boot, .-_boot # provide a point for GDB to place a break - .section .text.start,"ax" + .section .text..start,"ax" .globl _start .balign 4 _start: diff --git a/arch/frv/kernel/init_task.c b/arch/frv/kernel/init_task.c deleted file mode 100644 index 29429a8b7f6..00000000000 --- a/arch/frv/kernel/init_task.c +++ /dev/null @@ -1,37 +0,0 @@ -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/init.h> -#include <linux/init_task.h> -#include <linux/fs.h> -#include <linux/mqueue.h> - -#include <asm/uaccess.h> -#include <asm/pgtable.h> - - -static struct signal_struct init_signals = INIT_SIGNALS(init_signals); -static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -struct mm_struct init_mm = INIT_MM(init_mm); - -EXPORT_SYMBOL(init_mm); - -/* - * Initial thread structure. - * - * We need to make sure that this is THREAD_SIZE aligned due to the - * way process stacks are handled. This is done by having a special - * "init_task" linker map entry.. - */ -union thread_union init_thread_union - __attribute__((__section__(".data.init_task"))) = - { INIT_THREAD_INFO(init_task) }; - -/* - * Initial task structure. - * - * All other task structs will be allocated on slabs in fork.c - */ -struct task_struct init_task = INIT_TASK(init_task); - -EXPORT_SYMBOL(init_task); diff --git a/arch/frv/kernel/irq-mb93091.c b/arch/frv/kernel/irq-mb93091.c index 4dd9adaf115..2cc327a1ca4 100644 --- a/arch/frv/kernel/irq-mb93091.c +++ b/arch/frv/kernel/irq-mb93091.c @@ -20,7 +20,6 @@ #include <linux/bitops.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/delay.h> #include <asm/irq.h> #include <asm/irc-regs.h> @@ -36,45 +35,45 @@ /* * on-motherboard FPGA PIC operations */ -static void frv_fpga_mask(unsigned int irq) +static void frv_fpga_mask(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr |= 1 << (irq - IRQ_BASE_FPGA); + imr |= 1 << (d->irq - IRQ_BASE_FPGA); __set_IMR(imr); } -static void frv_fpga_ack(unsigned int irq) +static void frv_fpga_ack(struct irq_data *d) { - __clr_IFR(1 << (irq - IRQ_BASE_FPGA)); + __clr_IFR(1 << (d->irq - IRQ_BASE_FPGA)); } -static void frv_fpga_mask_ack(unsigned int irq) +static void frv_fpga_mask_ack(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr |= 1 << (irq - IRQ_BASE_FPGA); + imr |= 1 << (d->irq - IRQ_BASE_FPGA); __set_IMR(imr); - __clr_IFR(1 << (irq - IRQ_BASE_FPGA)); + __clr_IFR(1 << (d->irq - IRQ_BASE_FPGA)); } -static void frv_fpga_unmask(unsigned int irq) +static void frv_fpga_unmask(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr &= ~(1 << (irq - IRQ_BASE_FPGA)); + imr &= ~(1 << (d->irq - IRQ_BASE_FPGA)); __set_IMR(imr); } static struct irq_chip frv_fpga_pic = { .name = "mb93091", - .ack = frv_fpga_ack, - .mask = frv_fpga_mask, - .mask_ack = frv_fpga_mask_ack, - .unmask = frv_fpga_unmask, + .irq_ack = frv_fpga_ack, + .irq_mask = frv_fpga_mask, + .irq_mask_ack = frv_fpga_mask_ack, + .irq_unmask = frv_fpga_unmask, }; /* @@ -146,9 +145,9 @@ void __init fpga_init(void) __clr_IFR(0x0000); for (irq = IRQ_BASE_FPGA + 1; irq <= IRQ_BASE_FPGA + 14; irq++) - set_irq_chip_and_handler(irq, &frv_fpga_pic, handle_level_irq); + irq_set_chip_and_handler(irq, &frv_fpga_pic, handle_level_irq); - set_irq_chip_and_handler(IRQ_FPGA_NMI, &frv_fpga_pic, handle_edge_irq); + irq_set_chip_and_handler(IRQ_FPGA_NMI, &frv_fpga_pic, handle_edge_irq); /* the FPGA drives the first four external IRQ inputs on the CPU PIC */ setup_irq(IRQ_CPU_EXTERNAL0, &fpga_irq[0]); diff --git a/arch/frv/kernel/irq-mb93093.c b/arch/frv/kernel/irq-mb93093.c index e4520903187..95e4eb4f1f3 100644 --- a/arch/frv/kernel/irq-mb93093.c +++ b/arch/frv/kernel/irq-mb93093.c @@ -20,7 +20,6 @@ #include <linux/bitops.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/delay.h> #include <asm/irq.h> #include <asm/irc-regs.h> @@ -35,45 +34,44 @@ /* * off-CPU FPGA PIC operations */ -static void frv_fpga_mask(unsigned int irq) +static void frv_fpga_mask(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr |= 1 << (irq - IRQ_BASE_FPGA); + imr |= 1 << (d->irq - IRQ_BASE_FPGA); __set_IMR(imr); } -static void frv_fpga_ack(unsigned int irq) +static void frv_fpga_ack(struct irq_data *d) { - __clr_IFR(1 << (irq - IRQ_BASE_FPGA)); + __clr_IFR(1 << (d->irq - IRQ_BASE_FPGA)); } -static void frv_fpga_mask_ack(unsigned int irq) +static void frv_fpga_mask_ack(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr |= 1 << (irq - IRQ_BASE_FPGA); + imr |= 1 << (d->irq - IRQ_BASE_FPGA); __set_IMR(imr); - __clr_IFR(1 << (irq - IRQ_BASE_FPGA)); + __clr_IFR(1 << (d->irq - IRQ_BASE_FPGA)); } -static void frv_fpga_unmask(unsigned int irq) +static void frv_fpga_unmask(struct irq_data *d) { uint16_t imr = __get_IMR(); - imr &= ~(1 << (irq - IRQ_BASE_FPGA)); + imr &= ~(1 << (d->irq - IRQ_BASE_FPGA)); __set_IMR(imr); } static struct irq_chip frv_fpga_pic = { .name = "mb93093", - .ack = frv_fpga_ack, - .mask = frv_fpga_mask, - .mask_ack = frv_fpga_mask_ack, - .unmask = frv_fpga_unmask, - .end = frv_fpga_end, + .irq_ack = frv_fpga_ack, + .irq_mask = frv_fpga_mask, + .irq_mask_ack = frv_fpga_mask_ack, + .irq_unmask = frv_fpga_unmask, }; /* @@ -94,7 +92,7 @@ static irqreturn_t fpga_interrupt(int irq, void *_mask) irq = 31 - irq; mask &= ~(1 << irq); - generic_irq_handle(IRQ_BASE_FPGA + irq); + generic_handle_irq(IRQ_BASE_FPGA + irq); } return IRQ_HANDLED; @@ -125,7 +123,7 @@ void __init fpga_init(void) __clr_IFR(0x0000); for (irq = IRQ_BASE_FPGA + 8; irq <= IRQ_BASE_FPGA + 10; irq++) - set_irq_chip_and_handler(irq, &frv_fpga_pic, handle_edge_irq); + irq_set_chip_and_handler(irq, &frv_fpga_pic, handle_edge_irq); /* the FPGA drives external IRQ input #2 on the CPU PIC */ setup_irq(IRQ_CPU_EXTERNAL2, &fpga_irq[0]); diff --git a/arch/frv/kernel/irq-mb93493.c b/arch/frv/kernel/irq-mb93493.c index ba55ecdfb24..ba648da0932 100644 --- a/arch/frv/kernel/irq-mb93493.c +++ b/arch/frv/kernel/irq-mb93493.c @@ -20,7 +20,6 @@ #include <linux/bitops.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/delay.h> #include <asm/irq.h> #include <asm/irc-regs.h> @@ -45,46 +44,46 @@ * daughter board PIC operations * - there is no way to ACK interrupts in the MB93493 chip */ -static void frv_mb93493_mask(unsigned int irq) +static void frv_mb93493_mask(struct irq_data *d) { uint32_t iqsr; volatile void *piqsr; - if (IRQ_ROUTING & (1 << (irq - IRQ_BASE_MB93493))) + if (IRQ_ROUTING & (1 << (d->irq - IRQ_BASE_MB93493))) piqsr = __addr_MB93493_IQSR(1); else piqsr = __addr_MB93493_IQSR(0); iqsr = readl(piqsr); - iqsr &= ~(1 << (irq - IRQ_BASE_MB93493 + 16)); + iqsr &= ~(1 << (d->irq - IRQ_BASE_MB93493 + 16)); writel(iqsr, piqsr); } -static void frv_mb93493_ack(unsigned int irq) +static void frv_mb93493_ack(struct irq_data *d) { } -static void frv_mb93493_unmask(unsigned int irq) +static void frv_mb93493_unmask(struct irq_data *d) { uint32_t iqsr; volatile void *piqsr; - if (IRQ_ROUTING & (1 << (irq - IRQ_BASE_MB93493))) + if (IRQ_ROUTING & (1 << (d->irq - IRQ_BASE_MB93493))) piqsr = __addr_MB93493_IQSR(1); else piqsr = __addr_MB93493_IQSR(0); iqsr = readl(piqsr); - iqsr |= 1 << (irq - IRQ_BASE_MB93493 + 16); + iqsr |= 1 << (d->irq - IRQ_BASE_MB93493 + 16); writel(iqsr, piqsr); } static struct irq_chip frv_mb93493_pic = { .name = "mb93093", - .ack = frv_mb93493_ack, - .mask = frv_mb93493_mask, - .mask_ack = frv_mb93493_mask, - .unmask = frv_mb93493_unmask, + .irq_ack = frv_mb93493_ack, + .irq_mask = frv_mb93493_mask, + .irq_mask_ack = frv_mb93493_mask, + .irq_unmask = frv_mb93493_unmask, }; /* @@ -139,7 +138,8 @@ void __init mb93493_init(void) int irq; for (irq = IRQ_BASE_MB93493 + 0; irq <= IRQ_BASE_MB93493 + 10; irq++) - set_irq_chip_and_handler(irq, &frv_mb93493_pic, handle_edge_irq); + irq_set_chip_and_handler(irq, &frv_mb93493_pic, + handle_edge_irq); /* the MB93493 drives external IRQ inputs on the CPU PIC */ setup_irq(IRQ_CPU_MB93493_0, &mb93493_irq[0]); diff --git a/arch/frv/kernel/irq.c b/arch/frv/kernel/irq.c index af3e824b91b..2239346fa3d 100644 --- a/arch/frv/kernel/irq.c +++ b/arch/frv/kernel/irq.c @@ -16,7 +16,6 @@ #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/timex.h> -#include <linux/slab.h> #include <linux/random.h> #include <linux/init.h> #include <linux/kernel_stat.h> @@ -26,10 +25,9 @@ #include <linux/module.h> #include <linux/bitops.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/io.h> #include <asm/smp.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/pgalloc.h> #include <asm/delay.h> @@ -48,89 +46,45 @@ extern void __init mb93493_init(void); atomic_t irq_err_count; -/* - * Generic, controller-independent functions: - */ -int show_interrupts(struct seq_file *p, void *v) +int arch_show_interrupts(struct seq_file *p, int prec) { - int i = *(loff_t *) v, cpu; - struct irqaction * action; - unsigned long flags; - - if (i == 0) { - char cpuname[12]; - - seq_printf(p, " "); - for_each_present_cpu(cpu) { - sprintf(cpuname, "CPU%d", cpu); - seq_printf(p, " %10s", cpuname); - } - seq_putc(p, '\n'); - } - - if (i < NR_IRQS) { - spin_lock_irqsave(&irq_desc[i].lock, flags); - action = irq_desc[i].action; - if (action) { - seq_printf(p, "%3d: ", i); - for_each_present_cpu(cpu) - seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu)); - seq_printf(p, " %10s", irq_desc[i].chip->name ? : "-"); - seq_printf(p, " %s", action->name); - for (action = action->next; - action; - action = action->next) - seq_printf(p, ", %s", action->name); - - seq_putc(p, '\n'); - } - - spin_unlock_irqrestore(&irq_desc[i].lock, flags); - } else if (i == NR_IRQS) { - seq_printf(p, "Err: %10u\n", atomic_read(&irq_err_count)); - } - + seq_printf(p, "%*s: ", prec, "ERR"); + seq_printf(p, "%10u\n", atomic_read(&irq_err_count)); return 0; } /* * on-CPU PIC operations */ -static void frv_cpupic_ack(unsigned int irqlevel) +static void frv_cpupic_ack(struct irq_data *d) { - __clr_RC(irqlevel); + __clr_RC(d->irq); __clr_IRL(); } -static void frv_cpupic_mask(unsigned int irqlevel) +static void frv_cpupic_mask(struct irq_data *d) { - __set_MASK(irqlevel); + __set_MASK(d->irq); } -static void frv_cpupic_mask_ack(unsigned int irqlevel) +static void frv_cpupic_mask_ack(struct irq_data *d) { - __set_MASK(irqlevel); - __clr_RC(irqlevel); + __set_MASK(d->irq); + __clr_RC(d->irq); __clr_IRL(); } -static void frv_cpupic_unmask(unsigned int irqlevel) -{ - __clr_MASK(irqlevel); -} - -static void frv_cpupic_end(unsigned int irqlevel) +static void frv_cpupic_unmask(struct irq_data *d) { - __clr_MASK(irqlevel); + __clr_MASK(d->irq); } static struct irq_chip frv_cpu_pic = { .name = "cpu", - .ack = frv_cpupic_ack, - .mask = frv_cpupic_mask, - .mask_ack = frv_cpupic_mask_ack, - .unmask = frv_cpupic_unmask, - .end = frv_cpupic_end, + .irq_ack = frv_cpupic_ack, + .irq_mask = frv_cpupic_mask, + .irq_mask_ack = frv_cpupic_mask_ack, + .irq_unmask = frv_cpupic_unmask, }; /* @@ -162,10 +116,10 @@ void __init init_IRQ(void) int level; for (level = 1; level <= 14; level++) - set_irq_chip_and_handler(level, &frv_cpu_pic, + irq_set_chip_and_handler(level, &frv_cpu_pic, handle_level_irq); - set_irq_handler(IRQ_CPU_TIMER0, handle_edge_irq); + irq_set_handler(IRQ_CPU_TIMER0, handle_edge_irq); /* set the trigger levels for internal interrupt sources * - timers all falling-edge diff --git a/arch/frv/kernel/kernel_execve.S b/arch/frv/kernel/kernel_execve.S deleted file mode 100644 index 9b074a16a05..00000000000 --- a/arch/frv/kernel/kernel_execve.S +++ /dev/null @@ -1,33 +0,0 @@ -/* in-kernel program execution - * - * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/linkage.h> -#include <asm/unistd.h> - -############################################################################### -# -# Do a system call from kernel instead of calling sys_execve so we end up with -# proper pt_regs. -# -# int kernel_execve(const char *filename, char *const argv[], char *const envp[]) -# -# On entry: GR8/GR9/GR10: arguments to function -# On return: GR8: syscall return. -# -############################################################################### - .globl kernel_execve - .type kernel_execve,@function -kernel_execve: - setlos __NR_execve,gr7 - tira gr0,#0 - bralr - - .size kernel_execve,.-kernel_execve diff --git a/arch/frv/kernel/kernel_thread.S b/arch/frv/kernel/kernel_thread.S deleted file mode 100644 index 4531c830d20..00000000000 --- a/arch/frv/kernel/kernel_thread.S +++ /dev/null @@ -1,77 +0,0 @@ -/* kernel_thread.S: kernel thread creation - * - * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/linkage.h> -#include <asm/unistd.h> - -#define CLONE_VM 0x00000100 /* set if VM shared between processes */ -#define KERN_ERR "<3>" - - .section .rodata -kernel_thread_emsg: - .asciz KERN_ERR "failed to create kernel thread: error=%d\n" - - .text - .balign 4 - -############################################################################### -# -# Create a kernel thread -# -# int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) -# -############################################################################### - .globl kernel_thread - .type kernel_thread,@function -kernel_thread: - or.p gr8,gr0,gr4 - or gr9,gr0,gr5 - - # start by forking the current process, but with shared VM - setlos.p #__NR_clone,gr7 ; syscall number - ori gr10,#CLONE_VM,gr8 ; first syscall arg [clone_flags] - sethi.p #0xe4e4,gr9 ; second syscall arg [newsp] - setlo #0xe4e4,gr9 - setlos.p #0,gr10 ; third syscall arg [parent_tidptr] - setlos #0,gr11 ; fourth syscall arg [child_tidptr] - tira gr0,#0 - setlos.p #4095,gr7 - andcc gr8,gr8,gr0,icc0 - addcc.p gr8,gr7,gr0,icc1 - bnelr icc0,#2 - bc icc1,#0,kernel_thread_error - - # now invoke the work function - or gr5,gr0,gr8 - calll @(gr4,gr0) - - # and finally exit the thread - setlos #__NR_exit,gr7 ; syscall number - tira gr0,#0 - -kernel_thread_error: - subi sp,#8,sp - movsg lr,gr4 - sti gr8,@(sp,#0) - sti.p gr4,@(sp,#4) - - or gr8,gr0,gr9 - sethi.p %hi(kernel_thread_emsg),gr8 - setlo %lo(kernel_thread_emsg),gr8 - - call printk - - ldi @(sp,#4),gr4 - ldi @(sp,#0),gr8 - subi sp,#8,sp - jmpl @(gr4,gr0) - - .size kernel_thread,.-kernel_thread diff --git a/arch/frv/kernel/local64.h b/arch/frv/kernel/local64.h new file mode 100644 index 00000000000..36c93b5cc23 --- /dev/null +++ b/arch/frv/kernel/local64.h @@ -0,0 +1 @@ +#include <asm-generic/local64.h> diff --git a/arch/frv/kernel/module.c b/arch/frv/kernel/module.c index 850d168f69f..9d9835f1fe2 100644 --- a/arch/frv/kernel/module.c +++ b/arch/frv/kernel/module.c @@ -22,59 +22,6 @@ #define DEBUGP(fmt...) #endif -void *module_alloc(unsigned long size) -{ - if (size == 0) - return NULL; - - return vmalloc_exec(size); -} - - -/* Free memory returned from module_alloc */ -void module_free(struct module *mod, void *module_region) -{ - vfree(module_region); - /* FIXME: If module_region == mod->init_region, trim exception - table entries. */ -} - -/* We don't need anything special. */ -int module_frob_arch_sections(Elf_Ehdr *hdr, - Elf_Shdr *sechdrs, - char *secstrings, - struct module *mod) -{ - return 0; -} - -int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name); - return -ENOEXEC; -} - -int apply_relocate_add(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name); - return -ENOEXEC; -} - -int module_finalize(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs, - struct module *me) -{ - return 0; -} - -void module_arch_cleanup(struct module *mod) -{ -} +/* TODO: At least one of apply_relocate or apply_relocate_add must be + * implemented in order to get working module support. + */ diff --git a/arch/frv/kernel/pm.c b/arch/frv/kernel/pm.c index be722fc1acf..ac767d94a88 100644 --- a/arch/frv/kernel/pm.c +++ b/arch/frv/kernel/pm.c @@ -150,26 +150,25 @@ static int user_atoi(char __user *ubuf, size_t len) /* * Send us to sleep. */ -static int sysctl_pm_do_suspend(ctl_table *ctl, int write, struct file *filp, +static int sysctl_pm_do_suspend(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *fpos) { - int retval, mode; + int mode; if (*lenp <= 0) return -EIO; mode = user_atoi(buffer, *lenp); - if ((mode != 1) && (mode != 5)) - return -EINVAL; + switch (mode) { + case 1: + return pm_do_suspend(); - if (retval == 0) { - if (mode == 5) - retval = pm_do_bus_sleep(); - else - retval = pm_do_suspend(); - } + case 5: + return pm_do_bus_sleep(); - return retval; + default: + return -EINVAL; + } } static int try_set_cmode(int new_cmode) @@ -198,50 +197,19 @@ static int try_set_cmode(int new_cmode) } -static int cmode_procctl(ctl_table *ctl, int write, struct file *filp, +static int cmode_procctl(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *fpos) { int new_cmode; if (!write) - return proc_dointvec(ctl, write, filp, buffer, lenp, fpos); + return proc_dointvec(ctl, write, buffer, lenp, fpos); new_cmode = user_atoi(buffer, *lenp); return try_set_cmode(new_cmode)?:*lenp; } -static int cmode_sysctl(ctl_table *table, - void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen) -{ - if (oldval && oldlenp) { - size_t oldlen; - - if (get_user(oldlen, oldlenp)) - return -EFAULT; - - if (oldlen != sizeof(int)) - return -EINVAL; - - if (put_user(clock_cmode_current, (unsigned __user *)oldval) || - put_user(sizeof(int), oldlenp)) - return -EFAULT; - } - if (newval && newlen) { - int new_cmode; - - if (newlen != sizeof(int)) - return -EINVAL; - - if (get_user(new_cmode, (int __user *)newval)) - return -EFAULT; - - return try_set_cmode(new_cmode)?:1; - } - return 1; -} - static int try_set_p0(int new_p0) { unsigned long flags, clkc; @@ -301,144 +269,73 @@ static int try_set_cm(int new_cm) return 0; } -static int p0_procctl(ctl_table *ctl, int write, struct file *filp, +static int p0_procctl(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *fpos) { int new_p0; if (!write) - return proc_dointvec(ctl, write, filp, buffer, lenp, fpos); + return proc_dointvec(ctl, write, buffer, lenp, fpos); new_p0 = user_atoi(buffer, *lenp); return try_set_p0(new_p0)?:*lenp; } -static int p0_sysctl(ctl_table *table, - void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen) -{ - if (oldval && oldlenp) { - size_t oldlen; - - if (get_user(oldlen, oldlenp)) - return -EFAULT; - - if (oldlen != sizeof(int)) - return -EINVAL; - - if (put_user(clock_p0_current, (unsigned __user *)oldval) || - put_user(sizeof(int), oldlenp)) - return -EFAULT; - } - if (newval && newlen) { - int new_p0; - - if (newlen != sizeof(int)) - return -EINVAL; - - if (get_user(new_p0, (int __user *)newval)) - return -EFAULT; - - return try_set_p0(new_p0)?:1; - } - return 1; -} - -static int cm_procctl(ctl_table *ctl, int write, struct file *filp, +static int cm_procctl(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *fpos) { int new_cm; if (!write) - return proc_dointvec(ctl, write, filp, buffer, lenp, fpos); + return proc_dointvec(ctl, write, buffer, lenp, fpos); new_cm = user_atoi(buffer, *lenp); return try_set_cm(new_cm)?:*lenp; } -static int cm_sysctl(ctl_table *table, - void __user *oldval, size_t __user *oldlenp, - void __user *newval, size_t newlen) -{ - if (oldval && oldlenp) { - size_t oldlen; - - if (get_user(oldlen, oldlenp)) - return -EFAULT; - - if (oldlen != sizeof(int)) - return -EINVAL; - - if (put_user(clock_cm_current, (unsigned __user *)oldval) || - put_user(sizeof(int), oldlenp)) - return -EFAULT; - } - if (newval && newlen) { - int new_cm; - - if (newlen != sizeof(int)) - return -EINVAL; - - if (get_user(new_cm, (int __user *)newval)) - return -EFAULT; - - return try_set_cm(new_cm)?:1; - } - return 1; -} - - static struct ctl_table pm_table[] = { { - .ctl_name = CTL_PM_SUSPEND, .procname = "suspend", .data = NULL, .maxlen = 0, .mode = 0200, - .proc_handler = &sysctl_pm_do_suspend, + .proc_handler = sysctl_pm_do_suspend, }, { - .ctl_name = CTL_PM_CMODE, .procname = "cmode", .data = &clock_cmode_current, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &cmode_procctl, - .strategy = &cmode_sysctl, + .proc_handler = cmode_procctl, }, { - .ctl_name = CTL_PM_P0, .procname = "p0", .data = &clock_p0_current, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &p0_procctl, - .strategy = &p0_sysctl, + .proc_handler = p0_procctl, }, { - .ctl_name = CTL_PM_CM, .procname = "cm", .data = &clock_cm_current, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &cm_procctl, - .strategy = &cm_sysctl, + .proc_handler = cm_procctl, }, - { .ctl_name = 0} + { } }; static struct ctl_table pm_dir_table[] = { { - .ctl_name = CTL_PM, .procname = "pm", .mode = 0555, .child = pm_table, }, - { .ctl_name = 0} + { } }; /* diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index 0de50df7497..5d40aeb7712 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -16,7 +16,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> @@ -26,10 +25,10 @@ #include <linux/reboot.h> #include <linux/interrupt.h> #include <linux/pagemap.h> +#include <linux/rcupdate.h> #include <asm/asm-offsets.h> #include <asm/uaccess.h> -#include <asm/system.h> #include <asm/setup.h> #include <asm/pgtable.h> #include <asm/tlb.h> @@ -39,26 +38,13 @@ #include "local.h" asmlinkage void ret_from_fork(void); +asmlinkage void ret_from_kernel_thread(void); #include <asm/pgalloc.h> void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); -struct task_struct *alloc_task_struct(void) -{ - struct task_struct *p = kmalloc(THREAD_SIZE, GFP_KERNEL); - if (p) - atomic_set((atomic_t *)(p+1), 1); - return p; -} - -void free_task_struct(struct task_struct *p) -{ - if (atomic_dec_and_test((atomic_t *)(p+1))) - kfree(p); -} - static void core_sleep_idle(void) { #ifdef LED_DEBUG_SLEEP @@ -73,33 +59,12 @@ static void core_sleep_idle(void) mb(); } -void (*idle)(void) = core_sleep_idle; - -/* - * The idle thread. There's no useful work to be - * done, so just try to conserve power and have a - * low exit latency (ie sit in a loop waiting for - * somebody to say that they'd like to reschedule) - */ -void cpu_idle(void) +void arch_cpu_idle(void) { - int cpu = smp_processor_id(); - - /* endless idle loop with no priority at all */ - while (1) { - while (!need_resched()) { - irq_stat[cpu].idle_timestamp = jiffies; - - check_pgt_cache(); - - if (!frv_dma_inprogress && idle) - idle(); - } - - preempt_enable_no_resched(); - schedule(); - preempt_disable(); - } + if (!frv_dma_inprogress) + core_sleep_idle(); + else + local_irq_enable(); } void machine_restart(char * __unused) @@ -147,10 +112,7 @@ void machine_power_off(void) void flush_thread(void) { -#if 0 //ndef NO_FPU - unsigned long zero = 0; -#endif - set_fs(USER_DS); + /* nothing */ } inline unsigned long user_stack(const struct pt_regs *regs) @@ -160,87 +122,40 @@ inline unsigned long user_stack(const struct pt_regs *regs) return user_mode(regs) ? regs->sp : 0; } -asmlinkage int sys_fork(void) -{ -#ifndef CONFIG_MMU - /* fork almost works, enough to trick you into looking elsewhere:-( */ - return -EINVAL; -#else - return do_fork(SIGCHLD, user_stack(__frame), __frame, 0, NULL, NULL); -#endif -} - -asmlinkage int sys_vfork(void) -{ - return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, user_stack(__frame), __frame, 0, - NULL, NULL); -} - -/*****************************************************************************/ -/* - * clone a process - * - tlsptr is retrieved by copy_thread() - */ -asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp, - int __user *parent_tidptr, int __user *child_tidptr, - int __user *tlsptr) -{ - if (!newsp) - newsp = user_stack(__frame); - return do_fork(clone_flags, newsp, __frame, 0, parent_tidptr, child_tidptr); -} /* end sys_clone() */ - -/*****************************************************************************/ -/* - * This gets called before we allocate a new thread and copy - * the current task into it. - */ -void prepare_to_copy(struct task_struct *tsk) -{ - //unlazy_fpu(tsk); -} /* end prepare_to_copy() */ - -/*****************************************************************************/ /* * set up the kernel stack and exception frames for a new process */ int copy_thread(unsigned long clone_flags, - unsigned long usp, unsigned long topstk, - struct task_struct *p, struct pt_regs *regs) + unsigned long usp, unsigned long arg, + struct task_struct *p) { - struct pt_regs *childregs0, *childregs, *regs0; + struct pt_regs *childregs; - regs0 = __kernel_frame0_ptr; - childregs0 = (struct pt_regs *) + childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE - FRV_FRAME0_SIZE); - childregs = childregs0; /* set up the userspace frame (the only place that the USP is stored) */ - *childregs0 = *regs0; - - childregs0->gr8 = 0; - childregs0->sp = usp; - childregs0->next_frame = NULL; - - /* set up the return kernel frame if called from kernel_thread() */ - if (regs != regs0) { - childregs--; - *childregs = *regs; - childregs->sp = (unsigned long) childregs0; - childregs->next_frame = childregs0; - childregs->gr15 = (unsigned long) task_thread_info(p); - childregs->gr29 = (unsigned long) p; - } - - p->set_child_tid = p->clear_child_tid = NULL; + *childregs = *current_pt_regs(); p->thread.frame = childregs; p->thread.curr = p; p->thread.sp = (unsigned long) childregs; p->thread.fp = 0; p->thread.lr = 0; - p->thread.pc = (unsigned long) ret_from_fork; - p->thread.frame0 = childregs0; + p->thread.frame0 = childregs; + + if (unlikely(p->flags & PF_KTHREAD)) { + childregs->gr9 = usp; /* function */ + childregs->gr8 = arg; + p->thread.pc = (unsigned long) ret_from_kernel_thread; + save_user_regs(p->thread.user); + return 0; + } + if (usp) + childregs->sp = usp; + childregs->next_frame = NULL; + + p->thread.pc = (unsigned long) ret_from_fork; /* the new TLS pointer is passed in as arg #5 to sys_clone() */ if (clone_flags & CLONE_SETTLS) @@ -251,26 +166,6 @@ int copy_thread(unsigned long clone_flags, return 0; } /* end copy_thread() */ -/* - * sys_execve() executes a new program. - */ -asmlinkage int sys_execve(char __user *name, char __user * __user *argv, char __user * __user *envp) -{ - int error; - char * filename; - - lock_kernel(); - filename = getname(name); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - goto out; - error = do_execve(filename, argv, envp, __frame); - putname(filename); - out: - unlock_kernel(); - return error; -} - unsigned long get_wchan(struct task_struct *p) { struct pt_regs *regs0; diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c index 60eeed3694c..3987ff88dab 100644 --- a/arch/frv/kernel/ptrace.c +++ b/arch/frv/kernel/ptrace.c @@ -26,7 +26,6 @@ #include <asm/uaccess.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/processor.h> #include <asm/unistd.h> @@ -254,23 +253,26 @@ void ptrace_disable(struct task_struct *child) user_disable_single_step(child); } -long arch_ptrace(struct task_struct *child, long request, long addr, long data) +long arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { unsigned long tmp; int ret; + int regno = addr >> 2; + unsigned long __user *datap = (unsigned long __user *) data; switch (request) { /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { tmp = 0; ret = -EIO; - if ((addr & 3) || addr < 0) + if (addr & 3) break; ret = 0; - switch (addr >> 2) { + switch (regno) { case 0 ... PT__END - 1: - tmp = get_reg(child, addr >> 2); + tmp = get_reg(child, regno); break; case PT__END + 0: @@ -299,23 +301,18 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } if (ret == 0) - ret = put_user(tmp, (unsigned long *) data); + ret = put_user(tmp, datap); break; } case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ ret = -EIO; - if ((addr & 3) || addr < 0) + if (addr & 3) break; - ret = 0; - switch (addr >> 2) { + switch (regno) { case 0 ... PT__END - 1: - ret = put_reg(child, addr >> 2, data); - break; - - default: - ret = -EIO; + ret = put_reg(child, regno, data); break; } break; @@ -324,45 +321,25 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) return copy_regset_to_user(child, &user_frv_native_view, REGSET_GENERAL, 0, sizeof(child->thread.user->i), - (void __user *)data); + datap); case PTRACE_SETREGS: /* Set all integer regs in the child. */ return copy_regset_from_user(child, &user_frv_native_view, REGSET_GENERAL, 0, sizeof(child->thread.user->i), - (const void __user *)data); + datap); case PTRACE_GETFPREGS: /* Get the child FP/Media state. */ return copy_regset_to_user(child, &user_frv_native_view, REGSET_FPMEDIA, 0, sizeof(child->thread.user->f), - (void __user *)data); + datap); case PTRACE_SETFPREGS: /* Set the child FP/Media state. */ return copy_regset_from_user(child, &user_frv_native_view, REGSET_FPMEDIA, 0, sizeof(child->thread.user->f), - (const void __user *)data); - - case PTRACE_GETFDPIC: - tmp = 0; - switch (addr) { - case PTRACE_GETFDPIC_EXEC: - tmp = child->mm->context.exec_fdpic_loadmap; - break; - case PTRACE_GETFDPIC_INTERP: - tmp = child->mm->context.interp_fdpic_loadmap; - break; - default: - break; - } - - ret = 0; - if (put_user(tmp, (unsigned long *) data)) { - ret = -EFAULT; - break; - } - break; + datap); default: ret = ptrace_request(child, request, addr, data); diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c index 55e4fab7c0b..9f3a7a62d78 100644 --- a/arch/frv/kernel/setup.c +++ b/arch/frv/kernel/setup.c @@ -10,7 +10,7 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/delay.h> @@ -112,9 +112,11 @@ char __initdata redboot_command_line[COMMAND_LINE_SIZE]; #ifdef CONFIG_PM #define __pminit #define __pminitdata +#define __pminitconst #else #define __pminit __init #define __pminitdata __initdata +#define __pminitconst __initconst #endif struct clock_cmode { @@ -184,7 +186,7 @@ static struct clock_cmode __pminitdata clock_cmodes_fr555[16] = { [6] = { _x1, _x1_5, _x1_5, _x4_5, _x0_375 }, }; -static const struct clock_cmode __pminitdata *clock_cmodes; +static const struct clock_cmode __pminitconst *clock_cmodes; static int __pminitdata clock_doubled; static struct uart_port __pminitdata __frv_uart0 = { @@ -707,7 +709,7 @@ static void __init reserve_dma_coherent(void) /* * calibrate the delay loop */ -void __cpuinit calibrate_delay(void) +void calibrate_delay(void) { loops_per_jiffy = __delay_loops_MHz * (1000000 / HZ); @@ -733,7 +735,7 @@ static void __init parse_cmdline_early(char *cmdline) /* "mem=XXX[kKmM]" sets SDRAM size to <mem>, overriding the value we worked * out from the SDRAM controller mask register */ - if (!memcmp(cmdline, "mem=", 4)) { + if (!strncmp(cmdline, "mem=", 4)) { unsigned long long mem_size; mem_size = memparse(cmdline + 4, &cmdline); @@ -802,9 +804,9 @@ void __init setup_arch(char **cmdline_p) BUG_ON(memory_start == memory_end); - init_mm.start_code = (unsigned long) &_stext; - init_mm.end_code = (unsigned long) &_etext; - init_mm.end_data = (unsigned long) &_edata; + init_mm.start_code = (unsigned long) _stext; + init_mm.end_code = (unsigned long) _etext; + init_mm.end_data = (unsigned long) _edata; #if 0 /* DAVIDM - don't set brk just incase someone decides to use it */ init_mm.brk = (unsigned long) &_end; #else @@ -812,10 +814,8 @@ void __init setup_arch(char **cmdline_p) #endif #ifdef DEBUG - printk("KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x BSS=0x%06x-0x%06x\n", - (int) &_stext, (int) &_etext, - (int) &_sdata, (int) &_edata, - (int) &_sbss, (int) &_ebss); + printk("KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p BSS=0x%p-0x%p\n", + _stext, _etext, _sdata, _edata, __bss_start, __bss_stop); #endif #ifdef CONFIG_VT @@ -852,7 +852,7 @@ void __init setup_arch(char **cmdline_p) /* * */ -static int __devinit setup_arch_serial(void) +static int setup_arch_serial(void) { /* register those serial ports that are available */ #ifndef CONFIG_GDBSTUB_UART0 @@ -876,6 +876,7 @@ late_initcall(setup_arch_serial); static void __init setup_linux_memory(void) { unsigned long bootmap_size, low_top_pfn, kstart, kend, high_mem; + unsigned long physpages; kstart = (unsigned long) &__kernel_image_start - PAGE_OFFSET; kend = (unsigned long) &__kernel_image_end - PAGE_OFFSET; @@ -893,19 +894,19 @@ static void __init setup_linux_memory(void) ); /* pass the memory that the kernel can immediately use over to the bootmem allocator */ - max_mapnr = num_physpages = (memory_end - memory_start) >> PAGE_SHIFT; + max_mapnr = physpages = (memory_end - memory_start) >> PAGE_SHIFT; low_top_pfn = (KERNEL_LOWMEM_END - KERNEL_LOWMEM_START) >> PAGE_SHIFT; high_mem = 0; - if (num_physpages > low_top_pfn) { + if (physpages > low_top_pfn) { #ifdef CONFIG_HIGHMEM - high_mem = num_physpages - low_top_pfn; + high_mem = physpages - low_top_pfn; #else - max_mapnr = num_physpages = low_top_pfn; + max_mapnr = physpages = low_top_pfn; #endif } else { - low_top_pfn = num_physpages; + low_top_pfn = physpages; } min_low_pfn = memory_start >> PAGE_SHIFT; @@ -979,7 +980,7 @@ static void __init setup_uclinux_memory(void) free_bootmem(memory_start, memory_end - memory_start); high_memory = (void *) (memory_end & PAGE_MASK); - max_mapnr = num_physpages = ((unsigned long) high_memory - PAGE_OFFSET) >> PAGE_SHIFT; + max_mapnr = ((unsigned long) high_memory - PAGE_OFFSET) >> PAGE_SHIFT; min_low_pfn = memory_start >> PAGE_SHIFT; max_low_pfn = memory_end >> PAGE_SHIFT; diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index 4a7a62c6e78..d822700d4f1 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -20,7 +20,6 @@ #include <linux/ptrace.h> #include <linux/unistd.h> #include <linux/personality.h> -#include <linux/freezer.h> #include <linux/tracehook.h> #include <asm/ucontext.h> #include <asm/uaccess.h> @@ -28,71 +27,12 @@ #define DEBUG_SIG 0 -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - struct fdpic_func_descriptor { unsigned long text; unsigned long GOT; }; /* - * Atomically swap in the new signal mask, and wait for a signal. - */ -asmlinkage int sys_sigsuspend(int history0, int history1, old_sigset_t mask) -{ - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); - current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - current->state = TASK_INTERRUPTIBLE; - schedule(); - set_thread_flag(TIF_RESTORE_SIGMASK); - return -ERESTARTNOHAND; -} - -asmlinkage int sys_sigaction(int sig, - const struct old_sigaction __user *act, - struct old_sigaction __user *oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (act) { - old_sigset_t mask; - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) - return -EFAULT; - __get_user(new_ka.sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); - siginitset(&new_ka.sa.sa_mask, mask); - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) - return -EFAULT; - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); - } - - return ret; -} - -asmlinkage -int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, __frame->sp); -} - - -/* * Do a signal return; undo the signal stack. */ @@ -121,6 +61,9 @@ static int restore_sigcontext(struct sigcontext __user *sc, int *_gr8) struct user_context *user = current->thread.user; unsigned long tbr, psr; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + tbr = user->i.tbr; psr = user->i.psr; if (copy_from_user(user, &sc->sc_context, sizeof(sc->sc_context))) @@ -154,11 +97,7 @@ asmlinkage int sys_sigreturn(void) __copy_from_user(&set.sig[1], &frame->extramask, sizeof(frame->extramask))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(&frame->sc, &gr8)) goto badframe; @@ -180,16 +119,12 @@ asmlinkage int sys_rt_sigreturn(void) if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(&frame->uc.uc_mcontext, &gr8)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, __frame->sp) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; return gr8; @@ -250,6 +185,8 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) struct sigframe __user *frame; int rsig; + set_fs(USER_DS); + frame = get_sigframe(ka, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) @@ -293,26 +230,23 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) (unsigned long) (frame->retcode + 2)); } - /* set up registers for signal handler */ - __frame->sp = (unsigned long) frame; - __frame->lr = (unsigned long) &frame->retcode; - __frame->gr8 = sig; - + /* Set up registers for the signal handler */ if (current->personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor __user *funcptr = (struct fdpic_func_descriptor __user *) ka->sa.sa_handler; - __get_user(__frame->pc, &funcptr->text); - __get_user(__frame->gr15, &funcptr->GOT); + struct fdpic_func_descriptor desc; + if (copy_from_user(&desc, funcptr, sizeof(desc))) + goto give_sigsegv; + __frame->pc = desc.text; + __frame->gr15 = desc.GOT; } else { __frame->pc = (unsigned long) ka->sa.sa_handler; __frame->gr15 = 0; } - set_fs(USER_DS); - - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); + __frame->sp = (unsigned long) frame; + __frame->lr = (unsigned long) &frame->retcode; + __frame->gr8 = sig; #if DEBUG_SIG printk("SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", @@ -323,7 +257,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) return 0; give_sigsegv: - force_sig(SIGSEGV, current); + force_sigsegv(sig, current); return -EFAULT; } /* end setup_frame() */ @@ -338,6 +272,8 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, struct rt_sigframe __user *frame; int rsig; + set_fs(USER_DS); + frame = get_sigframe(ka, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) @@ -360,9 +296,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Create the ucontext. */ if (__put_user(0, &frame->uc.uc_flags) || __put_user(NULL, &frame->uc.uc_link) || - __put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp) || - __put_user(sas_ss_flags(__frame->sp), &frame->uc.uc_stack.ss_flags) || - __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size)) + __save_altstack(&frame->uc.uc_stack, __frame->sp)) goto give_sigsegv; if (setup_sigcontext(&frame->uc.uc_mcontext, set->sig[0])) @@ -392,26 +326,23 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, } /* Set up registers for signal handler */ - __frame->sp = (unsigned long) frame; - __frame->lr = (unsigned long) &frame->retcode; - __frame->gr8 = sig; - __frame->gr9 = (unsigned long) &frame->info; - if (current->personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor __user *funcptr = (struct fdpic_func_descriptor __user *) ka->sa.sa_handler; - __get_user(__frame->pc, &funcptr->text); - __get_user(__frame->gr15, &funcptr->GOT); + struct fdpic_func_descriptor desc; + if (copy_from_user(&desc, funcptr, sizeof(desc))) + goto give_sigsegv; + __frame->pc = desc.text; + __frame->gr15 = desc.GOT; } else { __frame->pc = (unsigned long) ka->sa.sa_handler; __frame->gr15 = 0; } - set_fs(USER_DS); - - /* the tracer may want to single-step inside the handler */ - if (test_thread_flag(TIF_SINGLESTEP)) - ptrace_notify(SIGTRAP); + __frame->sp = (unsigned long) frame; + __frame->lr = (unsigned long) &frame->retcode; + __frame->gr8 = sig; + __frame->gr9 = (unsigned long) &frame->info; #if DEBUG_SIG printk("SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", @@ -422,7 +353,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, return 0; give_sigsegv: - force_sig(SIGSEGV, current); + force_sigsegv(sig, current); return -EFAULT; } /* end setup_rt_frame() */ @@ -431,13 +362,14 @@ give_sigsegv: /* * OK, we're invoking a handler */ -static int handle_signal(unsigned long sig, siginfo_t *info, - struct k_sigaction *ka, sigset_t *oldset) +static void handle_signal(unsigned long sig, siginfo_t *info, + struct k_sigaction *ka) { + sigset_t *oldset = sigmask_to_save(); int ret; /* Are we from a system call? */ - if (in_syscall(__frame)) { + if (__frame->syscallno != -1) { /* If so, check system call restarting.. */ switch (__frame->gr8) { case -ERESTART_RESTARTBLOCK: @@ -456,6 +388,7 @@ static int handle_signal(unsigned long sig, siginfo_t *info, __frame->gr8 = __frame->orig_gr8; __frame->pc -= 4; } + __frame->syscallno = -1; } /* Set up the stack frame */ @@ -464,18 +397,11 @@ static int handle_signal(unsigned long sig, siginfo_t *info, else ret = setup_frame(sig, ka, oldset); - if (ret == 0) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, - &ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } - - return ret; + if (ret) + return; + signal_delivered(sig, info, ka, __frame, + test_thread_flag(TIF_SINGLESTEP)); } /* end handle_signal() */ /*****************************************************************************/ @@ -488,46 +414,16 @@ static void do_signal(void) { struct k_sigaction ka; siginfo_t info; - sigset_t *oldset; int signr; - /* - * We want the common case to go fast, which - * is why we may in certain cases get here from - * kernel mode. Just return without doing anything - * if so. - */ - if (!user_mode(__frame)) - return; - - if (try_to_freeze()) - goto no_signal; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, __frame, NULL); if (signr > 0) { - if (handle_signal(signr, &info, &ka, oldset) == 0) { - /* a signal was successfully delivered; the saved - * sigmask will have been stored in the signal frame, - * and will be restored by sigreturn, so we can simply - * clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - - tracehook_signal_handler(signr, &info, &ka, __frame, - test_thread_flag(TIF_SINGLESTEP)); - } - + handle_signal(signr, &info, &ka); return; } -no_signal: /* Did we come from a system call? */ - if (__frame->syscallno >= 0) { + if (__frame->syscallno != -1) { /* Restart the system call - no handlers present */ switch (__frame->gr8) { case -ERESTARTNOHAND: @@ -538,19 +434,16 @@ no_signal: break; case -ERESTART_RESTARTBLOCK: - __frame->gr8 = __NR_restart_syscall; + __frame->gr7 = __NR_restart_syscall; __frame->pc -= 4; break; } + __frame->syscallno = -1; } /* if there's no signal to deliver, we just put the saved sigmask * back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - + restore_saved_sigmask(); } /* end do_signal() */ /*****************************************************************************/ @@ -565,7 +458,7 @@ asmlinkage void do_notify_resume(__u32 thread_info_flags) clear_thread_flag(TIF_SINGLESTEP); /* deal with pending signal delivery */ - if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + if (thread_info_flags & _TIF_SIGPENDING) do_signal(); /* deal with notification on about to resume userspace execution */ diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c index baadc97f862..9c4980825bb 100644 --- a/arch/frv/kernel/sys_frv.c +++ b/arch/frv/kernel/sys_frv.c @@ -21,7 +21,6 @@ #include <linux/stat.h> #include <linux/mman.h> #include <linux/file.h> -#include <linux/utsname.h> #include <linux/syscalls.h> #include <linux/ipc.h> @@ -32,9 +31,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) { - int error = -EBADF; - struct file * file = NULL; - /* As with sparc32, make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE we have.... */ @@ -42,155 +38,7 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, trying to map something we can't */ if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1)) return -EINVAL; - pgoff >>= PAGE_SHIFT - 12; - - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) - goto out; - } - - down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); - up_write(¤t->mm->mmap_sem); - - if (file) - fput(file); -out: - return error; -} - -#if 0 /* DAVIDM - do we want this */ -struct mmap_arg_struct64 { - __u32 addr; - __u32 len; - __u32 prot; - __u32 flags; - __u64 offset; /* 64 bits */ - __u32 fd; -}; - -asmlinkage long sys_mmap64(struct mmap_arg_struct64 *arg) -{ - int error = -EFAULT; - struct file * file = NULL; - struct mmap_arg_struct64 a; - unsigned long pgoff; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - - if ((long)a.offset & ~PAGE_MASK) - return -EINVAL; - - pgoff = a.offset >> PAGE_SHIFT; - if ((a.offset >> PAGE_SHIFT) != pgoff) - return -EINVAL; - - if (!(a.flags & MAP_ANONYMOUS)) { - error = -EBADF; - file = fget(a.fd); - if (!file) - goto out; - } - a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - - down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags, pgoff); - up_write(¤t->mm->mmap_sem); - if (file) - fput(file); -out: - return error; -} -#endif - -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls.. - * - * This is really horribly ugly. - */ -asmlinkage long sys_ipc(unsigned long call, - unsigned long first, - unsigned long second, - unsigned long third, - void __user *ptr, - unsigned long fifth) -{ - int version, ret; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - switch (call) { - case SEMOP: - return sys_semtimedop(first, (struct sembuf __user *)ptr, second, NULL); - case SEMTIMEDOP: - return sys_semtimedop(first, (struct sembuf __user *)ptr, second, - (const struct timespec __user *)fifth); - - case SEMGET: - return sys_semget (first, second, third); - case SEMCTL: { - union semun fourth; - if (!ptr) - return -EINVAL; - if (get_user(fourth.__pad, (void * __user *) ptr)) - return -EFAULT; - return sys_semctl (first, second, third, fourth); - } - - case MSGSND: - return sys_msgsnd (first, (struct msgbuf __user *) ptr, - second, third); - case MSGRCV: - switch (version) { - case 0: { - struct ipc_kludge tmp; - if (!ptr) - return -EINVAL; - - if (copy_from_user(&tmp, - (struct ipc_kludge __user *) ptr, - sizeof (tmp))) - return -EFAULT; - return sys_msgrcv (first, tmp.msgp, second, - tmp.msgtyp, third); - } - default: - return sys_msgrcv (first, - (struct msgbuf __user *) ptr, - second, fifth, third); - } - case MSGGET: - return sys_msgget ((key_t) first, second); - case MSGCTL: - return sys_msgctl (first, second, (struct msqid_ds __user *) ptr); - case SHMAT: - switch (version) { - default: { - ulong raddr; - ret = do_shmat (first, (char __user *) ptr, second, &raddr); - if (ret) - return ret; - return put_user (raddr, (ulong __user *) third); - } - case 1: /* iBCS2 emulator entry point */ - if (!segment_eq(get_fs(), get_ds())) - return -EINVAL; - /* The "(ulong *) third" is valid _only_ because of the kernel segment thing */ - return do_shmat (first, (char __user *) ptr, second, (ulong *) third); - } - case SHMDT: - return sys_shmdt ((char __user *)ptr); - case SHMGET: - return sys_shmget (first, second, third); - case SHMCTL: - return sys_shmctl (first, second, - (struct shmid_ds __user *) ptr); - default: - return -ENOSYS; - } + return sys_mmap_pgoff(addr, len, prot, flags, fd, + pgoff >> (PAGE_SHIFT - 12)); } diff --git a/arch/frv/kernel/sysctl.c b/arch/frv/kernel/sysctl.c index 3e9d7e03fb9..f4dfae2c75a 100644 --- a/arch/frv/kernel/sysctl.c +++ b/arch/frv/kernel/sysctl.c @@ -9,7 +9,6 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/slab.h> #include <linux/sysctl.h> #include <linux/proc_fs.h> #include <linux/init.h> @@ -47,8 +46,9 @@ static void frv_change_dcache_mode(unsigned long newmode) /* * handle requests to dynamically switch the write caching mode delivered by /proc */ -static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp, - void __user *buffer, size_t *lenp, loff_t *ppos) +static int procctl_frv_cachemode(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos) { unsigned long hsr0; char buff[8]; @@ -85,7 +85,7 @@ static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp, } /* read the state */ - if (filp->f_pos > 0) { + if (*ppos > 0) { *lenp = 0; return 0; } @@ -111,7 +111,7 @@ static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp, return -EFAULT; *lenp = len; - filp->f_pos = len; + *ppos = len; return 0; } /* end procctl_frv_cachemode() */ @@ -121,8 +121,9 @@ static int procctl_frv_cachemode(ctl_table *table, int write, struct file *filp, * permit the mm_struct the nominated process is using have its MMU context ID pinned */ #ifdef CONFIG_MMU -static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp, - void __user *buffer, size_t *lenp, loff_t *ppos) +static int procctl_frv_pin_cxnr(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos) { pid_t pid; char buff[16], *p; @@ -151,7 +152,7 @@ static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp, } /* read the currently pinned CXN */ - if (filp->f_pos > 0) { + if (*ppos > 0) { *lenp = 0; return 0; } @@ -164,7 +165,7 @@ static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp, return -EFAULT; *lenp = len; - filp->f_pos = len; + *ppos = len; return 0; } /* end procctl_frv_pin_cxnr() */ @@ -176,21 +177,19 @@ static int procctl_frv_pin_cxnr(ctl_table *table, int write, struct file *filp, static struct ctl_table frv_table[] = { { - .ctl_name = 1, .procname = "cache-mode", .data = NULL, .maxlen = 0, .mode = 0644, - .proc_handler = &procctl_frv_cachemode, + .proc_handler = procctl_frv_cachemode, }, #ifdef CONFIG_MMU { - .ctl_name = 2, .procname = "pin-cxnr", .data = NULL, .maxlen = 0, .mode = 0644, - .proc_handler = &procctl_frv_pin_cxnr + .proc_handler = procctl_frv_pin_cxnr }, #endif {} @@ -203,7 +202,6 @@ static struct ctl_table frv_table[] = static struct ctl_table frv_dir_table[] = { { - .ctl_name = CTL_FRV, .procname = "frv", .mode = 0555, .child = frv_table diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c index fb0ce757722..b457de496b7 100644 --- a/arch/frv/kernel/time.c +++ b/arch/frv/kernel/time.c @@ -48,47 +48,15 @@ static struct irqaction timer_irq = { .name = "timer", }; -static inline int set_rtc_mmss(unsigned long nowtime) -{ - return -1; -} - /* * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "do_timer()" routine every clocktick + * as well as call the "xtime_update()" routine every clocktick */ static irqreturn_t timer_interrupt(int irq, void *dummy) { - /* last time the cmos clock got updated */ - static long last_rtc_update = 0; - profile_tick(CPU_PROFILING); - /* - * Here we are in the timer irq handler. We just have irqs locally - * disabled but we don't know if the timer_bh is running on the other - * CPU. We need to avoid to SMP race with it. NOTE: we don't need - * the irq version of write_lock because as just said we have irq - * locally disabled. -arca - */ - write_seqlock(&xtime_lock); - - do_timer(1); - - /* - * If we have an externally synchronized Linux clock, then update - * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be - * called as close as possible to 500 ms before the new second starts. - */ - if (ntp_synced() && - xtime.tv_sec > last_rtc_update + 660 && - (xtime.tv_nsec / 1000) >= 500000 - ((unsigned) TICK_SIZE) / 2 && - (xtime.tv_nsec / 1000) <= 500000 + ((unsigned) TICK_SIZE) / 2 - ) { - if (set_rtc_mmss(xtime.tv_sec) == 0) - last_rtc_update = xtime.tv_sec; - else - last_rtc_update = xtime.tv_sec - 600; /* do it again in 60 s */ - } + + xtime_update(1); #ifdef CONFIG_HEARTBEAT static unsigned short n; @@ -96,8 +64,6 @@ static irqreturn_t timer_interrupt(int irq, void *dummy) __set_LEDS(n); #endif /* CONFIG_HEARTBEAT */ - write_sequnlock(&xtime_lock); - update_process_times(user_mode(get_irq_regs())); return IRQ_HANDLED; @@ -119,7 +85,8 @@ void time_divisor_init(void) __set_TCSR_DATA(0, base >> 8); } -void time_init(void) + +void read_persistent_clock(struct timespec *ts) { unsigned int year, mon, day, hour, min, sec; @@ -135,9 +102,12 @@ void time_init(void) if ((year += 1900) < 1970) year += 100; - xtime.tv_sec = mktime(year, mon, day, hour, min, sec); - xtime.tv_nsec = 0; + ts->tv_sec = mktime(year, mon, day, hour, min, sec); + ts->tv_nsec = 0; +} +void time_init(void) +{ /* install scheduling interrupt handler */ setup_irq(IRQ_CPU_TIMER0, &timer_irq); diff --git a/arch/frv/kernel/traps.c b/arch/frv/kernel/traps.c index 1d2dfe67d44..a6d105d61b2 100644 --- a/arch/frv/kernel/traps.c +++ b/arch/frv/kernel/traps.c @@ -23,7 +23,6 @@ #include <asm/asm-offsets.h> #include <asm/setup.h> #include <asm/fpu.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include <asm/siginfo.h> @@ -467,17 +466,6 @@ asmlinkage void compound_exception(unsigned long esfr1, BUG(); } /* end compound_exception() */ -/*****************************************************************************/ -/* - * The architecture-independent backtrace generator - */ -void dump_stack(void) -{ - show_stack(NULL, NULL); -} - -EXPORT_SYMBOL(dump_stack); - void show_stack(struct task_struct *task, unsigned long *sp) { } @@ -509,6 +497,7 @@ void show_regs(struct pt_regs *regs) int loop; printk("\n"); + show_regs_print_info(KERN_DEFAULT); printk("Frame: @%08lx [%s]\n", (unsigned long) regs, @@ -523,8 +512,6 @@ void show_regs(struct pt_regs *regs) else printk(" | "); } - - printk("Process %s (pid: %d)\n", current->comm, current->pid); } void die_if_kernel(const char *str, ...) @@ -536,7 +523,7 @@ void die_if_kernel(const char *str, ...) return; va_start(va, str); - vsprintf(buffer, str, va); + vsnprintf(buffer, sizeof(buffer), str, va); va_end(va); console_verbose(); diff --git a/arch/frv/kernel/vmlinux.lds.S b/arch/frv/kernel/vmlinux.lds.S index 22d9787406e..7e958d829ec 100644 --- a/arch/frv/kernel/vmlinux.lds.S +++ b/arch/frv/kernel/vmlinux.lds.S @@ -35,50 +35,13 @@ SECTIONS #endif } _einittext = .; - .init.data : { INIT_DATA } - . = ALIGN(8); - __setup_start = .; - .setup.init : { KEEP(*(.init.setup)) } - __setup_end = .; + INIT_DATA_SECTION(8) + PERCPU_SECTION(L1_CACHE_BYTES) - __initcall_start = .; - .initcall.init : { - INITCALLS - } - __initcall_end = .; - __con_initcall_start = .; - .con_initcall.init : { *(.con_initcall.init) } - __con_initcall_end = .; - SECURITY_INIT - . = ALIGN(4); - __alt_instructions = .; - .altinstructions : { *(.altinstructions) } - __alt_instructions_end = .; - .altinstr_replacement : { *(.altinstr_replacement) } - - PERCPU(4096) - -#ifdef CONFIG_BLK_DEV_INITRD - . = ALIGN(4096); - __initramfs_start = .; - .init.ramfs : { *(.init.ramfs) } - __initramfs_end = .; -#endif - - . = ALIGN(THREAD_SIZE); + . = ALIGN(PAGE_SIZE); __init_end = .; - /* put sections together that have massive alignment issues */ - . = ALIGN(THREAD_SIZE); - .data.init_task : { - /* init task record & stack */ - *(.data.init_task) - } - - . = ALIGN(L1_CACHE_BYTES); - .data.cacheline_aligned : { *(.data.cacheline_aligned) } - .trap : { /* trap table management - read entry-table.S before modifying */ . = ALIGN(8192); @@ -94,10 +57,10 @@ SECTIONS _text = .; _stext = .; .text : { - *(.text.start) - *(.text.entry) - *(.text.break) - *(.text.tlbmiss) + *(.text..start) + *(.text..entry) + *(.text..break) + *(.text..tlbmiss) TEXT_TEXT SCHED_TEXT LOCK_TEXT @@ -124,13 +87,12 @@ SECTIONS } - . = ALIGN(8); /* Exception table */ - __start___ex_table = .; - __ex_table : { KEEP(*(__ex_table)) } - __stop___ex_table = .; + EXCEPTION_TABLE(8) _sdata = .; .data : { /* Data */ + INIT_TASK_DATA(THREAD_SIZE) + CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) DATA_DATA *(.data.*) EXIT_DATA @@ -152,31 +114,19 @@ SECTIONS .sbss : { *(.sbss .sbss.*) } .bss : { *(.bss .bss.*) } - .bss.stack : { *(.bss) } + .bss..stack : { *(.bss) } __bss_stop = .; _end = . ; . = ALIGN(PAGE_SIZE); __kernel_image_end = .; - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - - .debug_line 0 : { *(.debug_line) } - .debug_info 0 : { *(.debug_info) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_aranges 0 : { *(.debug_aranges) } - .debug_frame 0 : { *(.debug_frame) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_str 0 : { *(.debug_str) } - .debug_ranges 0 : { *(.debug_ranges) } + STABS_DEBUG + DWARF_DEBUG .comment 0 : { *(.comment) } + + DISCARDS } __kernel_image_size_no_bss = __bss_start - __kernel_image_start; diff --git a/arch/frv/lib/Makefile b/arch/frv/lib/Makefile index 08be305c9f4..4ff2fb1e6b1 100644 --- a/arch/frv/lib/Makefile +++ b/arch/frv/lib/Makefile @@ -4,5 +4,5 @@ lib-y := \ __ashldi3.o __lshrdi3.o __muldi3.o __ashrdi3.o __negdi2.o __ucmpdi2.o \ - checksum.o memcpy.o memset.o atomic-ops.o \ + checksum.o memcpy.o memset.o atomic-ops.o atomic64-ops.o \ outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o diff --git a/arch/frv/lib/atomic-ops.S b/arch/frv/lib/atomic-ops.S index ee0ac905fb0..5e9e6ab5dd0 100644 --- a/arch/frv/lib/atomic-ops.S +++ b/arch/frv/lib/atomic-ops.S @@ -163,11 +163,10 @@ __cmpxchg_32: ld.p @(gr11,gr0),gr8 orcr cc7,cc7,cc3 subcc gr8,gr9,gr7,icc0 - bne icc0,#0,1f + bnelr icc0,#0 cst.p gr10,@(gr11,gr0) ,cc3,#1 corcc gr29,gr29,gr0 ,cc3,#1 beq icc3,#0,0b -1: bralr .size __cmpxchg_32, .-__cmpxchg_32 diff --git a/arch/frv/lib/atomic64-ops.S b/arch/frv/lib/atomic64-ops.S new file mode 100644 index 00000000000..b6194eeac12 --- /dev/null +++ b/arch/frv/lib/atomic64-ops.S @@ -0,0 +1,162 @@ +/* kernel atomic64 operations + * + * For an explanation of how atomic ops work in this arch, see: + * Documentation/frv/atomic-ops.txt + * + * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <asm/spr-regs.h> + + .text + .balign 4 + + +############################################################################### +# +# long long atomic64_inc_return(atomic64_t *v) +# +############################################################################### + .globl atomic64_inc_return + .type atomic64_inc_return,@function +atomic64_inc_return: + or.p gr8,gr8,gr10 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 /* set CC3 to true */ + addicc gr9,#1,gr9,icc0 + addxi gr8,#0,gr8,icc0 + cstd.p gr8,@(gr10,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size atomic64_inc_return, .-atomic64_inc_return + +############################################################################### +# +# long long atomic64_dec_return(atomic64_t *v) +# +############################################################################### + .globl atomic64_dec_return + .type atomic64_dec_return,@function +atomic64_dec_return: + or.p gr8,gr8,gr10 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 /* set CC3 to true */ + subicc gr9,#1,gr9,icc0 + subxi gr8,#0,gr8,icc0 + cstd.p gr8,@(gr10,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size atomic64_dec_return, .-atomic64_dec_return + +############################################################################### +# +# long long atomic64_add_return(long long i, atomic64_t *v) +# +############################################################################### + .globl atomic64_add_return + .type atomic64_add_return,@function +atomic64_add_return: + or.p gr8,gr8,gr4 + or gr9,gr9,gr5 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 /* set CC3 to true */ + addcc gr9,gr5,gr9,icc0 + addx gr8,gr4,gr8,icc0 + cstd.p gr8,@(gr10,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size atomic64_add_return, .-atomic64_add_return + +############################################################################### +# +# long long atomic64_sub_return(long long i, atomic64_t *v) +# +############################################################################### + .globl atomic64_sub_return + .type atomic64_sub_return,@function +atomic64_sub_return: + or.p gr8,gr8,gr4 + or gr9,gr9,gr5 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 /* set CC3 to true */ + subcc gr9,gr5,gr9,icc0 + subx gr8,gr4,gr8,icc0 + cstd.p gr8,@(gr10,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size atomic64_sub_return, .-atomic64_sub_return + +############################################################################### +# +# uint64_t __xchg_64(uint64_t i, uint64_t *v) +# +############################################################################### + .globl __xchg_64 + .type __xchg_64,@function +__xchg_64: + or.p gr8,gr8,gr4 + or gr9,gr9,gr5 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr10,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 /* set CC3 to true */ + cstd.p gr4,@(gr10,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size __xchg_64, .-__xchg_64 + +############################################################################### +# +# uint64_t __cmpxchg_64(uint64_t test, uint64_t new, uint64_t *v) +# +############################################################################### + .globl __cmpxchg_64 + .type __cmpxchg_64,@function +__cmpxchg_64: + or.p gr8,gr8,gr4 + or gr9,gr9,gr5 +0: + orcc gr0,gr0,gr0,icc3 /* set ICC3.Z */ + ckeq icc3,cc7 + ldd.p @(gr12,gr0),gr8 /* LDD.P/ORCR must be atomic */ + orcr cc7,cc7,cc3 + subcc gr8,gr4,gr0,icc0 + subcc.p gr9,gr5,gr0,icc1 + bnelr icc0,#0 + bnelr icc1,#0 + cstd.p gr10,@(gr12,gr0) ,cc3,#1 + corcc gr29,gr29,gr0 ,cc3,#1 /* clear ICC3.Z if store happens */ + beq icc3,#0,0b + bralr + + .size __cmpxchg_64, .-__cmpxchg_64 + diff --git a/arch/frv/lib/cache.S b/arch/frv/lib/cache.S index 0e10ad8dc46..0c4fb204911 100644 --- a/arch/frv/lib/cache.S +++ b/arch/frv/lib/cache.S @@ -1,4 +1,4 @@ -/* cache.S: cache managment routines +/* cache.S: cache management routines * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) diff --git a/arch/frv/mb93090-mb00/Makefile b/arch/frv/mb93090-mb00/Makefile index 76595e87073..21f1df1b378 100644 --- a/arch/frv/mb93090-mb00/Makefile +++ b/arch/frv/mb93090-mb00/Makefile @@ -3,7 +3,7 @@ # ifeq "$(CONFIG_PCI)" "y" -obj-y := pci-frv.o pci-irq.o pci-vdk.o pci-iomap.o +obj-y := pci-frv.o pci-irq.o pci-vdk.o ifeq "$(CONFIG_MMU)" "y" obj-y += pci-dma.o @@ -11,3 +11,5 @@ else obj-y += pci-dma-nommu.o endif endif + +obj-$(CONFIG_MTD) += flash.o diff --git a/arch/frv/mb93090-mb00/flash.c b/arch/frv/mb93090-mb00/flash.c new file mode 100644 index 00000000000..c0e3707c229 --- /dev/null +++ b/arch/frv/mb93090-mb00/flash.c @@ -0,0 +1,90 @@ +/* Flash mappings for the MB93090-MB00 motherboard + * + * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> + +#define MB93090_BOOTROM_ADDR 0xFF000000 /* Boot ROM */ +#define MB93090_BOOTROM_SIZE (2 * 1024 * 1024) +#define MB93090_USERROM_ADDR 0xFF200000 /* User ROM */ +#define MB93090_USERROM_SIZE (2 * 1024 * 1024) + +/* + * default MTD partition table for both main flash devices, expected to be + * overridden by RedBoot + */ +static struct mtd_partition mb93090_partitions[] = { + { + .name = "Filesystem", + .size = MTDPART_SIZ_FULL, + .offset = 0, + } +}; + +/* + * Definition of the MB93090 Boot ROM (on the CPU card) + */ +static struct physmap_flash_data mb93090_bootrom_data = { + .width = 2, + .nr_parts = 2, + .parts = mb93090_partitions, +}; + +static struct resource mb93090_bootrom_resource = { + .start = MB93090_BOOTROM_ADDR, + .end = MB93090_BOOTROM_ADDR + MB93090_BOOTROM_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device mb93090_bootrom = { + .name = "physmap-flash", + .id = 0, + .dev.platform_data = &mb93090_bootrom_data, + .num_resources = 1, + .resource = &mb93090_bootrom_resource, +}; + +/* + * Definition of the MB93090 User ROM definition (on the motherboard) + */ +static struct physmap_flash_data mb93090_userrom_data = { + .width = 2, + .nr_parts = 2, + .parts = mb93090_partitions, +}; + +static struct resource mb93090_userrom_resource = { + .start = MB93090_USERROM_ADDR, + .end = MB93090_USERROM_ADDR + MB93090_USERROM_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device mb93090_userrom = { + .name = "physmap-flash", + .id = 1, + .dev.platform_data = &mb93090_userrom_data, + .num_resources = 1, + .resource = &mb93090_userrom_resource, +}; + +/* + * register the MB93090 flashes + */ +static int __init mb93090_mtd_init(void) +{ + platform_device_register(&mb93090_bootrom); + platform_device_register(&mb93090_userrom); + return 0; +} + +module_init(mb93090_mtd_init); diff --git a/arch/frv/mb93090-mb00/pci-dma-nommu.c b/arch/frv/mb93090-mb00/pci-dma-nommu.c index 4e1ba0b1544..b99c2a7cc7a 100644 --- a/arch/frv/mb93090-mb00/pci-dma-nommu.c +++ b/arch/frv/mb93090-mb00/pci-dma-nommu.c @@ -11,6 +11,7 @@ #include <linux/types.h> #include <linux/slab.h> +#include <linux/export.h> #include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/pci.h> @@ -106,13 +107,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_ EXPORT_SYMBOL(dma_free_coherent); -/* - * Map a single buffer of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Once the device is given the dma address, the device owns this memory - * until either dma_unmap_single or pci_dma_sync_single is performed. - */ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction direction) { @@ -125,22 +119,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, EXPORT_SYMBOL(dma_map_single); -/* - * Map a set of buffers described by scatterlist in streaming - * mode for DMA. This is the scather-gather version of the - * above dma_map_single interface. Here the scatter gather list - * elements are each tagged with the appropriate dma address - * and length. They are obtained via sg_dma_{address,length}(SG). - * - * NOTE: An implementation may be able to use a smaller number of - * DMA address/length pairs than there are SG table elements. - * (for example via virtual mapping capabilities) - * The routine returns the number of addr/length pairs actually - * used, at most nents. - * - * Device ownership issues as mentioned above for dma_map_single are - * the same here. - */ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { @@ -157,13 +135,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, EXPORT_SYMBOL(dma_map_sg); -/* - * Map a single page of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Device ownership issues as mentioned above for dma_map_single are - * the same here. - */ dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction) { diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c index 45954f0813d..82478979ac9 100644 --- a/arch/frv/mb93090-mb00/pci-dma.c +++ b/arch/frv/mb93090-mb00/pci-dma.c @@ -10,10 +10,10 @@ */ #include <linux/types.h> -#include <linux/slab.h> #include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/pci.h> +#include <linux/export.h> #include <linux/highmem.h> #include <linux/scatterlist.h> #include <asm/io.h> @@ -38,13 +38,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_ EXPORT_SYMBOL(dma_free_coherent); -/* - * Map a single buffer of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Once the device is given the dma address, the device owns this memory - * until either pci_unmap_single or pci_dma_sync_single is performed. - */ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction direction) { @@ -57,22 +50,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, EXPORT_SYMBOL(dma_map_single); -/* - * Map a set of buffers described by scatterlist in streaming - * mode for DMA. This is the scather-gather version of the - * above dma_map_single interface. Here the scatter gather list - * elements are each tagged with the appropriate dma address - * and length. They are obtained via sg_dma_{address,length}(SG). - * - * NOTE: An implementation may be able to use a smaller number of - * DMA address/length pairs than there are SG table elements. - * (for example via virtual mapping capabilities) - * The routine returns the number of addr/length pairs actually - * used, at most nents. - * - * Device ownership issues as mentioned above for dma_map_single are - * the same here. - */ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { @@ -85,14 +62,14 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, dampr2 = __get_DAMPR(2); for (i = 0; i < nents; i++) { - vaddr = kmap_atomic(sg_page(&sg[i]), __KM_CACHE); + vaddr = kmap_atomic_primary(sg_page(&sg[i])); frv_dcache_writeback((unsigned long) vaddr, (unsigned long) vaddr + PAGE_SIZE); } - kunmap_atomic(vaddr, __KM_CACHE); + kunmap_atomic_primary(vaddr); if (dampr2) { __set_DAMPR(2, dampr2); __set_IAMPR(2, dampr2); @@ -103,13 +80,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, EXPORT_SYMBOL(dma_map_sg); -/* - * Map a single page of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Device ownership issues as mentioned above for dma_map_single are - * the same here. - */ dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction) { diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c index 43d67534c71..67b1d168575 100644 --- a/arch/frv/mb93090-mb00/pci-frv.c +++ b/arch/frv/mb93090-mb00/pci-frv.c @@ -32,18 +32,16 @@ * but we want to try to avoid allocating at 0x2900-0x2bff * which might have be mirrored at 0x0100-0x03ff.. */ -void -pcibios_align_resource(void *data, struct resource *res, +resource_size_t +pcibios_align_resource(void *data, const struct resource *res, resource_size_t size, resource_size_t align) { - if (res->flags & IORESOURCE_IO) { - resource_size_t start = res->start; + resource_size_t start = res->start; - if (start & 0x300) { - start = (start + 0x3ff) & ~0x3ff; - res->start = start; - } - } + if ((res->flags & IORESOURCE_IO) && (start & 0x300)) + start = (start + 0x3ff) & ~0x3ff; + + return start; } @@ -86,19 +84,17 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list) struct pci_bus *bus; struct pci_dev *dev; int idx; - struct resource *r, *pr; + struct resource *r; /* Depth-First Search on bus tree */ for (ln=bus_list->next; ln != bus_list; ln=ln->next) { - bus = pci_bus_b(ln); + bus = list_entry(ln, struct pci_bus, node); if ((dev = bus->self)) { for (idx = PCI_BRIDGE_RESOURCES; idx < PCI_NUM_RESOURCES; idx++) { r = &dev->resource[idx]; if (!r->start) continue; - pr = pci_find_parent_resource(dev, r); - if (!pr || request_resource(pr, r) < 0) - printk(KERN_ERR "PCI: Cannot allocate resource region %d of bridge %s\n", idx, pci_name(dev)); + pci_claim_resource(dev, idx); } } pcibios_allocate_bus_resources(&bus->children); @@ -110,7 +106,7 @@ static void __init pcibios_allocate_resources(int pass) struct pci_dev *dev = NULL; int idx, disabled; u16 command; - struct resource *r, *pr; + struct resource *r; for_each_pci_dev(dev) { pci_read_config_word(dev, PCI_COMMAND, &command); @@ -127,9 +123,7 @@ static void __init pcibios_allocate_resources(int pass) if (pass == disabled) { DBG("PCI: Resource %08lx-%08lx (f=%lx, d=%d, p=%d)\n", r->start, r->end, r->flags, disabled, pass); - pr = pci_find_parent_resource(dev, r); - if (!pr || request_resource(pr, r) < 0) { - printk(KERN_ERR "PCI: Cannot allocate resource region %d of device %s\n", idx, pci_name(dev)); + if (pci_claim_resource(dev, idx) < 0) { /* We'll assign a new address later */ r->end -= r->start; r->start = 0; @@ -200,23 +194,3 @@ void __init pcibios_resource_survey(void) pcibios_allocate_resources(1); pcibios_assign_resources(); } - -/* - * If we set up a device for bus mastering, we need to check the latency - * timer as certain crappy BIOSes forget to set it properly. - */ -unsigned int pcibios_max_latency = 255; - -void pcibios_set_master(struct pci_dev *dev) -{ - u8 lat; - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); - if (lat < 16) - lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency; - else if (lat > pcibios_max_latency) - lat = pcibios_max_latency; - else - return; - printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); -} diff --git a/arch/frv/mb93090-mb00/pci-frv.h b/arch/frv/mb93090-mb00/pci-frv.h index f3fe5591479..a7e487fe76e 100644 --- a/arch/frv/mb93090-mb00/pci-frv.h +++ b/arch/frv/mb93090-mb00/pci-frv.h @@ -26,14 +26,10 @@ extern unsigned int __nongpreldata pci_probe; /* pci-frv.c */ -extern unsigned int pcibios_max_latency; - void pcibios_resource_survey(void); /* pci-vdk.c */ -extern int __nongpreldata pcibios_last_bus; -extern struct pci_bus *__nongpreldata pci_root_bus; extern struct pci_ops *__nongpreldata pci_root_ops; /* pci-irq.c */ diff --git a/arch/frv/mb93090-mb00/pci-iomap.c b/arch/frv/mb93090-mb00/pci-iomap.c deleted file mode 100644 index 35f6df28351..00000000000 --- a/arch/frv/mb93090-mb00/pci-iomap.c +++ /dev/null @@ -1,29 +0,0 @@ -/* pci-iomap.c: description - * - * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#include <linux/pci.h> -#include <linux/module.h> - -void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) -{ - resource_size_t start = pci_resource_start(dev, bar); - resource_size_t len = pci_resource_len(dev, bar); - unsigned long flags = pci_resource_flags(dev, bar); - - if (!len || !start) - return NULL; - - if ((flags & IORESOURCE_IO) || (flags & IORESOURCE_MEM)) - return (void __iomem *) start; - - return NULL; -} - -EXPORT_SYMBOL(pci_iomap); diff --git a/arch/frv/mb93090-mb00/pci-irq.c b/arch/frv/mb93090-mb00/pci-irq.c index ba587523c01..1c35c93f942 100644 --- a/arch/frv/mb93090-mb00/pci-irq.c +++ b/arch/frv/mb93090-mb00/pci-irq.c @@ -9,7 +9,6 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/init.h> -#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/irq.h> @@ -29,7 +28,7 @@ * */ -static const uint8_t __initdata pci_bus0_irq_routing[32][4] = { +static const uint8_t __initconst pci_bus0_irq_routing[32][4] = { [0 ] = { IRQ_FPGA_MB86943_PCI_INTA }, [16] = { IRQ_FPGA_RTL8029_INTA }, [17] = { IRQ_FPGA_PCI_INTC, IRQ_FPGA_PCI_INTD, IRQ_FPGA_PCI_INTA, IRQ_FPGA_PCI_INTB }, @@ -56,10 +55,6 @@ void __init pcibios_fixup_irqs(void) } } -void __init pcibios_penalize_isa_irq(int irq) -{ -} - void pcibios_enable_irq(struct pci_dev *dev) { pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c index c0dcec65c6b..efa5d65b000 100644 --- a/arch/frv/mb93090-mb00/pci-vdk.c +++ b/arch/frv/mb93090-mb00/pci-vdk.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <linux/ioport.h> #include <linux/delay.h> -#include <linux/slab.h> #include <asm/segment.h> #include <asm/io.h> @@ -26,8 +25,6 @@ unsigned int __nongpreldata pci_probe = 1; -int __nongpreldata pcibios_last_bus = -1; -struct pci_bus *__nongpreldata pci_root_bus; struct pci_ops *__nongpreldata pci_root_ops; /* @@ -222,37 +219,6 @@ static struct pci_ops * __init pci_check_direct(void) } /* - * Discover remaining PCI buses in case there are peer host bridges. - * We use the number of last PCI bus provided by the PCI BIOS. - */ -static void __init pcibios_fixup_peer_bridges(void) -{ - struct pci_bus bus; - struct pci_dev dev; - int n; - u16 l; - - if (pcibios_last_bus <= 0 || pcibios_last_bus >= 0xff) - return; - printk("PCI: Peer bridge fixup\n"); - for (n=0; n <= pcibios_last_bus; n++) { - if (pci_find_bus(0, n)) - continue; - bus.number = n; - bus.ops = pci_root_ops; - dev.bus = &bus; - for(dev.devfn=0; dev.devfn<256; dev.devfn += 8) - if (!pci_read_config_word(&dev, PCI_VENDOR_ID, &l) && - l != 0x0000 && l != 0xffff) { - printk("Found device at %02x:%02x [%04x]\n", n, dev.devfn, l); - printk("PCI: Discovered peer bus %02x\n", n); - pci_scan_bus(n, pci_root_ops, NULL); - break; - } - } -} - -/* * Exceptions for specific devices. Usually work-arounds for fatal design flaws. */ @@ -269,7 +235,7 @@ static void __init pci_fixup_umc_ide(struct pci_dev *d) d->resource[i].flags |= PCI_BASE_ADDRESS_SPACE_IO; } -static void __init pci_fixup_ide_bases(struct pci_dev *d) +static void pci_fixup_ide_bases(struct pci_dev *d) { int i; @@ -288,7 +254,7 @@ static void __init pci_fixup_ide_bases(struct pci_dev *d) } } -static void __init pci_fixup_ide_trash(struct pci_dev *d) +static void pci_fixup_ide_trash(struct pci_dev *d) { int i; @@ -301,7 +267,7 @@ static void __init pci_fixup_ide_trash(struct pci_dev *d) d->resource[i].start = d->resource[i].end = d->resource[i].flags = 0; } -static void __devinit pci_fixup_latency(struct pci_dev *d) +static void pci_fixup_latency(struct pci_dev *d) { /* * SiS 5597 and 5598 chipsets require latency timer set to @@ -322,24 +288,17 @@ DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases); * are examined. */ -void __init pcibios_fixup_bus(struct pci_bus *bus) +void pcibios_fixup_bus(struct pci_bus *bus) { #if 0 printk("### PCIBIOS_FIXUP_BUS(%d)\n",bus->number); #endif - if (bus->number == 0) { - bus->resource[0] = &pci_ioport_resource; - bus->resource[1] = &pci_iomem_resource; - } - pci_read_bridge_bases(bus); if (bus->number == 0) { - struct list_head *ln; struct pci_dev *dev; - for (ln=bus->devices.next; ln != &bus->devices; ln=ln->next) { - dev = pci_dev_b(ln); + list_for_each_entry(dev, &bus->devices, bus_list) { if (dev->devfn == 0) { dev->resource[0].start = 0; dev->resource[0].end = 0; @@ -358,6 +317,7 @@ void __init pcibios_fixup_bus(struct pci_bus *bus) int __init pcibios_init(void) { struct pci_ops *dir = NULL; + LIST_HEAD(resources); if (!mb93090_mb00_detected) return -ENXIO; @@ -421,10 +381,11 @@ int __init pcibios_init(void) } printk("PCI: Probing PCI hardware\n"); - pci_root_bus = pci_scan_bus(0, pci_root_ops, NULL); + pci_add_resource(&resources, &pci_ioport_resource); + pci_add_resource(&resources, &pci_iomem_resource); + pci_scan_root_bus(NULL, 0, pci_root_ops, NULL, &resources); pcibios_irq_init(); - pcibios_fixup_peer_bridges(); pcibios_fixup_irqs(); pcibios_resource_survey(); @@ -438,9 +399,6 @@ char * __init pcibios_setup(char *str) if (!strcmp(str, "off")) { pci_probe = 0; return NULL; - } else if (!strncmp(str, "lastbus=", 8)) { - pcibios_last_bus = simple_strtol(str+8, NULL, 0); - return NULL; } return str; } diff --git a/arch/frv/mm/cache-page.c b/arch/frv/mm/cache-page.c index 0261cbe153b..8e09dae0ec3 100644 --- a/arch/frv/mm/cache-page.c +++ b/arch/frv/mm/cache-page.c @@ -26,11 +26,11 @@ void flush_dcache_page(struct page *page) dampr2 = __get_DAMPR(2); - vaddr = kmap_atomic(page, __KM_CACHE); + vaddr = kmap_atomic_primary(page); frv_dcache_writeback((unsigned long) vaddr, (unsigned long) vaddr + PAGE_SIZE); - kunmap_atomic(vaddr, __KM_CACHE); + kunmap_atomic_primary(vaddr); if (dampr2) { __set_DAMPR(2, dampr2); @@ -54,12 +54,12 @@ void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, dampr2 = __get_DAMPR(2); - vaddr = kmap_atomic(page, __KM_CACHE); + vaddr = kmap_atomic_primary(page); start = (start & ~PAGE_MASK) | (unsigned long) vaddr; frv_cache_wback_inv(start, start + len); - kunmap_atomic(vaddr, __KM_CACHE); + kunmap_atomic_primary(vaddr); if (dampr2) { __set_DAMPR(2, dampr2); diff --git a/arch/frv/mm/dma-alloc.c b/arch/frv/mm/dma-alloc.c index 44840e73e90..7a73aaeae3a 100644 --- a/arch/frv/mm/dma-alloc.c +++ b/arch/frv/mm/dma-alloc.c @@ -37,6 +37,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/hardirq.h> +#include <linux/gfp.h> #include <asm/pgalloc.h> #include <asm/io.h> diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c index 385fd30b142..836f14707a6 100644 --- a/arch/frv/mm/elf-fdpic.c +++ b/arch/frv/mm/elf-fdpic.c @@ -60,7 +60,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi unsigned long pgoff, unsigned long flags) { struct vm_area_struct *vma; - unsigned long limit; + struct vm_unmapped_area_info info; if (len > TASK_SIZE) return -ENOMEM; @@ -79,39 +79,24 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi } /* search between the bottom of user VM and the stack grow area */ - addr = PAGE_SIZE; - limit = (current->mm->start_stack - 0x00200000); - if (addr + len <= limit) { - limit -= len; - - if (addr <= limit) { - vma = find_vma(current->mm, PAGE_SIZE); - for (; vma; vma = vma->vm_next) { - if (addr > limit) - break; - if (addr + len <= vma->vm_start) - goto success; - addr = vma->vm_end; - } - } - } + info.flags = 0; + info.length = len; + info.low_limit = PAGE_SIZE; + info.high_limit = (current->mm->start_stack - 0x00200000); + info.align_mask = 0; + info.align_offset = 0; + addr = vm_unmapped_area(&info); + if (!(addr & ~PAGE_MASK)) + goto success; + VM_BUG_ON(addr != -ENOMEM); /* search from just above the WorkRAM area to the top of memory */ - addr = PAGE_ALIGN(0x80000000); - limit = TASK_SIZE - len; - if (addr <= limit) { - vma = find_vma(current->mm, addr); - for (; vma; vma = vma->vm_next) { - if (addr > limit) - break; - if (addr + len <= vma->vm_start) - goto success; - addr = vma->vm_end; - } - - if (!vma && addr <= limit) - goto success; - } + info.low_limit = PAGE_ALIGN(0x80000000); + info.high_limit = TASK_SIZE; + addr = vm_unmapped_area(&info); + if (!(addr & ~PAGE_MASK)) + goto success; + VM_BUG_ON(addr != -ENOMEM); #if 0 printk("[area] l=%lx (ENOMEM) f='%s'\n", diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c index 05093d41d98..9a66372fc7c 100644 --- a/arch/frv/mm/fault.c +++ b/arch/frv/mm/fault.c @@ -20,7 +20,6 @@ #include <linux/ptrace.h> #include <linux/hardirq.h> -#include <asm/system.h> #include <asm/pgtable.h> #include <asm/uaccess.h> #include <asm/gdb-stub.h> @@ -35,11 +34,11 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear struct vm_area_struct *vma; struct mm_struct *mm; unsigned long _pme, lrai, lrad, fixup; + unsigned long flags = 0; siginfo_t info; pgd_t *pge; pud_t *pue; pte_t *pte; - int write; int fault; #if 0 @@ -82,6 +81,9 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear if (in_atomic() || !mm) goto no_context; + if (user_mode(__frame)) + flags |= FAULT_FLAG_USER; + down_read(&mm->mmap_sem); vma = find_vma(mm, ear0); @@ -130,7 +132,6 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear */ good_area: info.si_code = SEGV_ACCERR; - write = 0; switch (esr0 & ESR0_ATXC) { default: /* handle write to write protected page */ @@ -141,7 +142,7 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear #endif if (!(vma->vm_flags & VM_WRITE)) goto bad_area; - write = 1; + flags |= FAULT_FLAG_WRITE; break; /* handle read from protected page */ @@ -163,7 +164,7 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear * make sure we exit gracefully rather than endlessly redo * the fault. */ - fault = handle_mm_fault(mm, vma, ear0, write); + fault = handle_mm_fault(mm, vma, ear0, flags); if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -257,10 +258,10 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear */ out_of_memory: up_read(&mm->mmap_sem); - printk("VM: killing process %s\n", current->comm); - if (user_mode(__frame)) - do_group_exit(SIGKILL); - goto no_context; + if (!user_mode(__frame)) + goto no_context; + pagefault_out_of_memory(); + return; do_sigbus: up_read(&mm->mmap_sem); diff --git a/arch/frv/mm/highmem.c b/arch/frv/mm/highmem.c index eadd0765807..bed9a9bd3c1 100644 --- a/arch/frv/mm/highmem.c +++ b/arch/frv/mm/highmem.c @@ -36,3 +36,54 @@ struct page *kmap_atomic_to_page(void *ptr) { return virt_to_page(ptr); } + +void *kmap_atomic(struct page *page) +{ + unsigned long paddr; + int type; + + pagefault_disable(); + type = kmap_atomic_idx_push(); + paddr = page_to_phys(page); + + switch (type) { + /* + * The first 4 primary maps are reserved for architecture code + */ + case 0: return __kmap_atomic_primary(0, paddr, 6); + case 1: return __kmap_atomic_primary(0, paddr, 7); + case 2: return __kmap_atomic_primary(0, paddr, 8); + case 3: return __kmap_atomic_primary(0, paddr, 9); + case 4: return __kmap_atomic_primary(0, paddr, 10); + + case 5 ... 5 + NR_TLB_LINES - 1: + return __kmap_atomic_secondary(type - 5, paddr); + + default: + BUG(); + return NULL; + } +} +EXPORT_SYMBOL(kmap_atomic); + +void __kunmap_atomic(void *kvaddr) +{ + int type = kmap_atomic_idx(); + switch (type) { + case 0: __kunmap_atomic_primary(0, 6); break; + case 1: __kunmap_atomic_primary(0, 7); break; + case 2: __kunmap_atomic_primary(0, 8); break; + case 3: __kunmap_atomic_primary(0, 9); break; + case 4: __kunmap_atomic_primary(0, 10); break; + + case 5 ... 5 + NR_TLB_LINES - 1: + __kunmap_atomic_secondary(type - 5, kvaddr); + break; + + default: + BUG(); + } + kmap_atomic_idx_pop(); + pagefault_enable(); +} +EXPORT_SYMBOL(__kunmap_atomic); diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c index 0708284f85f..88a15974352 100644 --- a/arch/frv/mm/init.c +++ b/arch/frv/mm/init.c @@ -19,6 +19,7 @@ #include <linux/signal.h> #include <linux/sched.h> #include <linux/pagemap.h> +#include <linux/gfp.h> #include <linux/swap.h> #include <linux/mm.h> #include <linux/kernel.h> @@ -32,7 +33,6 @@ #include <asm/segment.h> #include <asm/page.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/mmu_context.h> #include <asm/virtconvert.h> #include <asm/sections.h> @@ -40,8 +40,6 @@ #undef DEBUG -DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); - /* * BAD_PAGE is the page that is used for page faults when linux * is out-of-memory. Older versions of linux just did a @@ -80,7 +78,7 @@ void __init paging_init(void) memset((void *) empty_zero_page, 0, PAGE_SIZE); #ifdef CONFIG_HIGHMEM - if (num_physpages - num_mappedpages) { + if (get_num_physpages() - num_mappedpages) { pgd_t *pge; pud_t *pue; pmd_t *pme; @@ -98,7 +96,7 @@ void __init paging_init(void) */ zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn; #ifdef CONFIG_HIGHMEM - zones_size[ZONE_HIGHMEM] = num_physpages - num_mappedpages; + zones_size[ZONE_HIGHMEM] = get_num_physpages() - num_mappedpages; #endif free_area_init(zones_size); @@ -116,51 +114,24 @@ void __init paging_init(void) */ void __init mem_init(void) { - unsigned long npages = (memory_end - memory_start) >> PAGE_SHIFT; - unsigned long tmp; -#ifdef CONFIG_MMU - unsigned long loop, pfn; - int datapages = 0; -#endif - int codek = 0, datak = 0; - - /* this will put all memory onto the freelists */ - totalram_pages = free_all_bootmem(); + unsigned long code_size = _etext - _stext; -#ifdef CONFIG_MMU - for (loop = 0 ; loop < npages ; loop++) - if (PageReserved(&mem_map[loop])) - datapages++; - -#ifdef CONFIG_HIGHMEM - for (pfn = num_physpages - 1; pfn >= num_mappedpages; pfn--) { - struct page *page = &mem_map[pfn]; + /* this will put all low memory onto the freelists */ + free_all_bootmem(); +#if defined(CONFIG_MMU) && defined(CONFIG_HIGHMEM) + { + unsigned long pfn; - ClearPageReserved(page); - init_page_count(page); - __free_page(page); - totalram_pages++; + for (pfn = get_num_physpages() - 1; + pfn >= num_mappedpages; pfn--) + free_highmem_page(&mem_map[pfn]); } #endif - codek = ((unsigned long) &_etext - (unsigned long) &_stext) >> 10; - datak = datapages << (PAGE_SHIFT - 10); - -#else - codek = (_etext - _stext) >> 10; - datak = 0; //(_ebss - _sdata) >> 10; -#endif - - tmp = nr_free_pages() << PAGE_SHIFT; - printk("Memory available: %luKiB/%luKiB RAM, %luKiB/%luKiB ROM (%dKiB kernel code, %dKiB data)\n", - tmp >> 10, - npages << (PAGE_SHIFT - 10), - (rom_length > 0) ? ((rom_length >> 10) - codek) : 0, - rom_length >> 10, - codek, - datak - ); - + mem_init_print_info(NULL); + if (rom_length > 0 && rom_length >= code_size) + printk("Memory available: %luKiB/%luKiB ROM\n", + (rom_length - code_size) >> 10, rom_length >> 10); } /* end mem_init() */ /*****************************************************************************/ @@ -170,21 +141,7 @@ void __init mem_init(void) void free_initmem(void) { #if defined(CONFIG_RAMKERNEL) && !defined(CONFIG_PROTECT_KERNEL) - unsigned long start, end, addr; - - start = PAGE_ALIGN((unsigned long) &__init_begin); /* round up */ - end = ((unsigned long) &__init_end) & PAGE_MASK; /* round down */ - - /* next to check that the page we free is not a partial page */ - for (addr = start; addr < end; addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - free_page(addr); - totalram_pages++; - } - - printk("Freeing unused kernel memory: %ldKiB freed (0x%lx - 0x%lx)\n", - (end - start) >> 10, start, end); + free_initmem_default(-1); #endif } /* end free_initmem() */ @@ -195,14 +152,6 @@ void free_initmem(void) #ifdef CONFIG_BLK_DEV_INITRD void __init free_initrd_mem(unsigned long start, unsigned long end) { - int pages = 0; - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page(start); - totalram_pages++; - pages++; - } - printk("Freeing initrd memory: %dKiB freed\n", (pages * PAGE_SIZE) >> 10); + free_reserved_area((void *)start, (void *)end, -1, "initrd"); } /* end free_initrd_mem() */ #endif diff --git a/arch/frv/mm/kmap.c b/arch/frv/mm/kmap.c index fb78be38ea0..e9217e605aa 100644 --- a/arch/frv/mm/kmap.c +++ b/arch/frv/mm/kmap.c @@ -21,7 +21,6 @@ #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/io.h> -#include <asm/system.h> #undef DEBUG diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c index 66f616fb486..41907d25ed3 100644 --- a/arch/frv/mm/pgalloc.c +++ b/arch/frv/mm/pgalloc.c @@ -10,7 +10,7 @@ */ #include <linux/sched.h> -#include <linux/slab.h> +#include <linux/gfp.h> #include <linux/mm.h> #include <linux/highmem.h> #include <linux/quicklist.h> @@ -37,11 +37,15 @@ pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) #else page = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0); #endif - if (page) { - clear_highpage(page); - pgtable_page_ctor(page); - flush_dcache_page(page); + if (!page) + return NULL; + + clear_highpage(page); + if (!pgtable_page_ctor(page)) { + __free_page(page); + return NULL; } + flush_dcache_page(page); return page; } @@ -77,7 +81,7 @@ void __set_pmd(pmd_t *pmdptr, unsigned long pmd) * checks at dup_mmap(), exec(), and other mmlist addition points * could be used. The locking scheme was chosen on the basis of * manfred's recommendations and having no core impact whatsoever. - * -- wli + * -- nyc */ DEFINE_SPINLOCK(pgd_lock); struct page *pgd_list; @@ -133,13 +137,7 @@ void pgd_dtor(void *pgd) pgd_t *pgd_alloc(struct mm_struct *mm) { - pgd_t *pgd; - - pgd = quicklist_alloc(0, GFP_KERNEL, pgd_ctor); - if (!pgd) - return pgd; - - return pgd; + return quicklist_alloc(0, GFP_KERNEL, pgd_ctor); } void pgd_free(struct mm_struct *mm, pgd_t *pgd) diff --git a/arch/frv/mm/tlb-miss.S b/arch/frv/mm/tlb-miss.S index 7f392bc651a..f3ac019bb18 100644 --- a/arch/frv/mm/tlb-miss.S +++ b/arch/frv/mm/tlb-miss.S @@ -15,7 +15,7 @@ #include <asm/pgtable.h> #include <asm/spr-regs.h> - .section .text.tlbmiss + .section .text..tlbmiss .balign 4 .globl __entry_insn_mmu_miss |