diff options
110 files changed, 330 insertions, 319 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 77ba9ffdf46..d892a23fa97 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -4,26 +4,37 @@ config MIPS # Horrible source of confusion. Die, die, die ... select EMBEDDED -config MIPS64 - bool "64-bit kernel" +mainmenu "Linux/MIPS Kernel Configuration" + +source "init/Kconfig" + +menu "Kernel type" + +choice + + prompt "Kernel code model" help - Select this option if you want to build a 64-bit kernel. You should - only select this option if you have hardware that actually has a - 64-bit processor and if your application will actually benefit from - 64-bit processing, otherwise say N. You must say Y for kernels for - SGI IP27 (Origin 200 and 2000) and SGI IP32 (O2). If in doubt say N. + You should only select this option if you have a workload that + actually benefits from 64-bit processing or if your machine has + large memory. You will only be presented a single option in this + menu if your system does not support both 32-bit and 64-bit kernels. -config 64BIT - def_bool MIPS64 +config 32BIT + bool "32-bit kernel" + depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL + select TRAD_SIGNALS + help + Select this option if you want to build a 32-bit kernel. -config MIPS32 - bool - depends on MIPS64 = 'n' - default y +config 64BIT + bool "64-bit kernel" + depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL + help + Select this option if you want to build a 64-bit kernel. -mainmenu "Linux/MIPS Kernel Configuration" +endchoice -source "init/Kconfig" +endmenu menu "Machine selection" @@ -155,7 +166,7 @@ config VRC4173 config TOSHIBA_JMR3927 bool "Support for Toshiba JMR-TX3927 board" - depends on MIPS32 + depends on 32BIT select DMA_NONCOHERENT select HW_HAS_PCI select SWAP_IO_SPACE @@ -173,7 +184,7 @@ config MACH_DECSTATION select BOOT_ELF32 select DMA_NONCOHERENT select IRQ_CPU - depends on MIPS32 || EXPERIMENTAL + depends on 32BIT || EXPERIMENTAL ---help--- This enables support for DEC's MIPS based workstations. For details see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the @@ -480,7 +491,7 @@ config SGI_IP22 config SGI_IP27 bool "Support for SGI IP27 (Origin200/2000)" - depends on MIPS64 + depends on 64BIT select ARC select ARC64 select DMA_IP27 @@ -548,7 +559,7 @@ config REPLICATE_EXHANDLERS config SGI_IP32 bool "Support for SGI IP32 (O2) (EXPERIMENTAL)" - depends on MIPS64 && EXPERIMENTAL + depends on 64BIT && EXPERIMENTAL select ARC select ARC32 select BOOT_ELF32 @@ -562,7 +573,7 @@ config SGI_IP32 If you want this kernel to run on SGI O2 workstation, say Y here. config SOC_AU1X00 - depends on MIPS32 + depends on 32BIT bool "Support for AMD/Alchemy Au1X00 SOCs" choice @@ -902,7 +913,7 @@ config SNI_RM200_PCI config TOSHIBA_RBTX4927 bool "Support for Toshiba TBTX49[23]7 board" - depends on MIPS32 + depends on 32BIT select DMA_NONCOHERENT select HAS_TXX9_SERIAL select HW_HAS_PCI @@ -1171,7 +1182,7 @@ config CPU_R3000 config CPU_TX39XX bool "R39XX" - depends on MIPS32 + depends on 32BIT config CPU_VR41XX bool "R41xx" @@ -1205,7 +1216,7 @@ config CPU_R5432 config CPU_R6000 bool "R6000" - depends on MIPS32 && EXPERIMENTAL + depends on 32BIT && EXPERIMENTAL help MIPS Technologies R6000 and R6000A series processors. Note these processors are extremly rare and the support for them is incomplete. @@ -1217,7 +1228,7 @@ config CPU_NEVADA config CPU_R8000 bool "R8000" - depends on MIPS64 && EXPERIMENTAL + depends on 64BIT && EXPERIMENTAL help MIPS Technologies R8000 processors. Note these processors are uncommon and the support for them is incomplete. @@ -1330,11 +1341,11 @@ config SB1_PASS_2_1_WORKAROUNDS config 64BIT_PHYS_ADDR bool "Support for 64-bit physical address space" - depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && MIPS32 + depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT config CPU_ADVANCED bool "Override CPU Options" - depends on MIPS32 + depends on 32BIT help Saying yes here allows you to select support for various features your CPU may or may not have. Most people should say N here. @@ -1388,7 +1399,7 @@ config CPU_HAS_SYNC # config HIGHMEM bool "High Memory Support" - depends on MIPS32 && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX) + depends on 32BIT && (CPU_R3000 || CPU_SB1 || CPU_R7000 || CPU_RM9000 || CPU_R10000) && !(MACH_DECSTATION || MOMENCO_JAGUAR_ATX) config ARCH_FLATMEM_ENABLE def_bool y @@ -1448,7 +1459,7 @@ config RTC_DS1742 config MIPS_INSANE_LARGE bool "Support for large 64-bit configurations" - depends on CPU_R10000 && MIPS64 + depends on CPU_R10000 && 64BIT help MIPS R10000 does support a 44 bit / 16TB address space as opposed to previous 64-bit processors which only supported 40 bit / 1TB. If you @@ -1549,11 +1560,11 @@ source "fs/Kconfig.binfmt" config TRAD_SIGNALS bool - default y if MIPS32 + default y if 32BIT config BUILD_ELF64 bool "Use 64-bit ELF format for building" - depends on MIPS64 + depends on 64BIT help A 64-bit kernel is usually built using the 64-bit ELF binary object format as it's one that allows arbitrary 64-bit constructs. For @@ -1568,11 +1579,11 @@ config BUILD_ELF64 config BINFMT_IRIX bool "Include IRIX binary compatibility" - depends on !CPU_LITTLE_ENDIAN && MIPS32 && BROKEN + depends on !CPU_LITTLE_ENDIAN && 32BIT && BROKEN config MIPS32_COMPAT bool "Kernel support for Linux/MIPS 32-bit binary compatibility" - depends on MIPS64 + depends on 64BIT help Select this option if you want Linux/MIPS 32-bit binary compatibility. Since all software available for Linux/MIPS is diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 7d1d7c91b85..a33328ef86f 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -37,12 +37,12 @@ else 64bit-emul = elf64btsmip endif -ifdef CONFIG_MIPS32 +ifdef CONFIG_32BIT gcc-abi = 32 tool-prefix = $(32bit-tool-prefix) UTS_MACHINE := mips endif -ifdef CONFIG_MIPS64 +ifdef CONFIG_64BIT gcc-abi = 64 tool-prefix = $(64bit-tool-prefix) UTS_MACHINE := mips64 @@ -63,7 +63,7 @@ ld-emul = $(32bit-emul) vmlinux-32 = vmlinux vmlinux-64 = vmlinux.64 -cflags-$(CONFIG_MIPS64) += $(call cc-option,-mno-explicit-relocs) +cflags-$(CONFIG_64BIT) += $(call cc-option,-mno-explicit-relocs) endif # @@ -524,10 +524,10 @@ load-$(CONFIG_TANBAC_TB022X) += 0xffffffff80000000 # core-$(CONFIG_SGI_IP22) += arch/mips/sgi-ip22/ cflags-$(CONFIG_SGI_IP22) += -Iinclude/asm-mips/mach-ip22 -ifdef CONFIG_MIPS32 +ifdef CONFIG_32BIT load-$(CONFIG_SGI_IP22) += 0xffffffff88002000 endif -ifdef CONFIG_MIPS64 +ifdef CONFIG_64BIT load-$(CONFIG_SGI_IP22) += 0xffffffff88004000 endif @@ -632,7 +632,7 @@ load-$(CONFIG_TOSHIBA_RBTX4927) += 0xffffffff80020000 cflags-y += -Iinclude/asm-mips/mach-generic drivers-$(CONFIG_PCI) += arch/mips/pci/ -ifdef CONFIG_MIPS32 +ifdef CONFIG_32BIT ifdef CONFIG_CPU_LITTLE_ENDIAN JIFFIES = jiffies_64 else @@ -664,8 +664,8 @@ CPPFLAGS_vmlinux.lds := \ head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o libs-y += arch/mips/lib/ -libs-$(CONFIG_MIPS32) += arch/mips/lib-32/ -libs-$(CONFIG_MIPS64) += arch/mips/lib-64/ +libs-$(CONFIG_32BIT) += arch/mips/lib-32/ +libs-$(CONFIG_64BIT) += arch/mips/lib-64/ core-y += arch/mips/kernel/ arch/mips/mm/ arch/mips/math-emu/ diff --git a/arch/mips/configs/atlas_defconfig b/arch/mips/configs/atlas_defconfig index caad7ca27ab..4084ca3a758 100644 --- a/ |