diff options
Diffstat (limited to 'arch/m68knommu')
32 files changed, 429 insertions, 400 deletions
diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index fa9f746cf4a..8b9dacaa0f6 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -2,6 +2,7 @@ config M68K bool default y select HAVE_IDE + select HAVE_GENERIC_HARDIRQS config MMU bool @@ -48,14 +49,6 @@ config GENERIC_HWEIGHT bool default y -config GENERIC_HARDIRQS - bool - default y - -config GENERIC_HARDIRQS_NO__DO_IRQ - bool - default y - config GENERIC_CALIBRATE_DELAY bool default y @@ -75,6 +68,16 @@ config GENERIC_CLOCKEVENTS config NO_IOPORT def_bool y +config COLDFIRE_SW_A7 + bool + default n + +config HAVE_CACHE_SPLIT + bool + +config HAVE_CACHE_CB + bool + source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -107,69 +110,90 @@ config M68360 config M5206 bool "MCF5206" + select COLDFIRE_SW_A7 help Motorola ColdFire 5206 processor support. config M5206e bool "MCF5206e" + select COLDFIRE_SW_A7 help Motorola ColdFire 5206e processor support. config M520x bool "MCF520x" select GENERIC_CLOCKEVENTS + select HAVE_CACHE_SPLIT help Freescale Coldfire 5207/5208 processor support. config M523x bool "MCF523x" select GENERIC_CLOCKEVENTS + select HAVE_CACHE_SPLIT help Freescale Coldfire 5230/1/2/4/5 processor support config M5249 bool "MCF5249" + select COLDFIRE_SW_A7 help Motorola ColdFire 5249 processor support. config M5271 bool "MCF5271" + select HAVE_CACHE_SPLIT help Freescale (Motorola) ColdFire 5270/5271 processor support. config M5272 bool "MCF5272" + select COLDFIRE_SW_A7 help Motorola ColdFire 5272 processor support. config M5275 bool "MCF5275" + select HAVE_CACHE_SPLIT help Freescale (Motorola) ColdFire 5274/5275 processor support. config M528x bool "MCF528x" select GENERIC_CLOCKEVENTS + select HAVE_CACHE_SPLIT help Motorola ColdFire 5280/5282 processor support. config M5307 bool "MCF5307" + select COLDFIRE_SW_A7 + select HAVE_CACHE_CB help Motorola ColdFire 5307 processor support. config M532x bool "MCF532x" + select HAVE_CACHE_CB help Freescale (Motorola) ColdFire 532x processor support. config M5407 bool "MCF5407" + select COLDFIRE_SW_A7 + select HAVE_CACHE_CB help Motorola ColdFire 5407 processor support. +config M547x + bool "MCF547x" + select HAVE_CACHE_CB + help + Freescale ColdFire 5470/5471/5472/5473/5474/5475 processor support. + config M548x bool "MCF548x" + select HAVE_CACHE_CB help Freescale ColdFire 5480/5481/5482/5483/5484/5485 processor support. @@ -181,9 +205,14 @@ config M527x select GENERIC_CLOCKEVENTS default y +config M54xx + bool + depends on (M548x || M547x) + default y + config COLDFIRE bool - depends on (M5206 || M5206e || M520x || M523x || M5249 || M527x || M5272 || M528x || M5307 || M532x || M5407 || M548x) + depends on (M5206 || M5206e || M520x || M523x || M5249 || M527x || M5272 || M528x || M5307 || M532x || M5407 || M54xx) select GENERIC_GPIO select ARCH_REQUIRE_GPIOLIB default y @@ -230,6 +259,46 @@ config OLDMASK Build support for the older revision ColdFire 5307 silicon. Specifically this is the 1H55J mask revision. +if HAVE_CACHE_SPLIT +choice + prompt "Split Cache Configuration" + default CACHE_I + +config CACHE_I + bool "Instruction" + help + Use all of the ColdFire CPU cache memory as an instruction cache. + +config CACHE_D + bool "Data" + help + Use all of the ColdFire CPU cache memory as a data cache. + +config CACHE_BOTH + bool "Both" + help + Split the ColdFire CPU cache, and use half as an instruction cache + and half as a data cache. +endchoice +endif + +if HAVE_CACHE_CB +choice + prompt "Data cache mode" + default CACHE_WRITETHRU + +config CACHE_WRITETHRU + bool "Write-through" + help + The ColdFire CPU cache is set into Write-through mode. + +config CACHE_COPYBACK + bool "Copy-back" + help + The ColdFire CPU cache is set into Copy-back mode. +endchoice +endif + comment "Platform" config PILOT3 @@ -245,16 +314,16 @@ config XCOPILOT_BUGS Support the bugs of Xcopilot. config UC5272 - bool 'Arcturus Networks uC5272 dimm board support' - depends on M5272 - help - Support for the Arcturus Networks uC5272 dimm board. + bool 'Arcturus Networks uC5272 dimm board support' + depends on M5272 + help + Support for the Arcturus Networks uC5272 dimm board. config UC5282 - bool "Arcturus Networks uC5282 board support" - depends on M528x - help - Support for the Arcturus Networks uC5282 dimm board. + bool "Arcturus Networks uC5282 board support" + depends on M528x + help + Support for the Arcturus Networks uC5282 dimm board. config UCSIMM bool "uCsimm module support" @@ -279,7 +348,7 @@ config DIRECT_IO_ACCESS depends on (UCSIMM || UCDIMM || DRAGEN2) help Disable the CPU internal registers protection in user mode, - to allow a user application to read/write them. + to allow a user application to read/write them. config INIT_LCD bool "Initialize LCD" @@ -517,7 +586,7 @@ config EMAC_INC depends on (SOM5282EM) config SNEHA - bool + bool default y depends on CPU16B diff --git a/arch/m68knommu/Makefile b/arch/m68knommu/Makefile index 026ef16fa68..589613fed31 100644 --- a/arch/m68knommu/Makefile +++ b/arch/m68knommu/Makefile @@ -25,7 +25,7 @@ platform-$(CONFIG_M528x) := 528x platform-$(CONFIG_M5307) := 5307 platform-$(CONFIG_M532x) := 532x platform-$(CONFIG_M5407) := 5407 -platform-$(CONFIG_M548x) := 548x +platform-$(CONFIG_M54xx) := 54xx PLATFORM := $(platform-y) board-$(CONFIG_PILOT) := pilot @@ -74,7 +74,7 @@ cpuclass-$(CONFIG_M528x) := coldfire cpuclass-$(CONFIG_M5307) := coldfire cpuclass-$(CONFIG_M532x) := coldfire cpuclass-$(CONFIG_M5407) := coldfire -cpuclass-$(CONFIG_M548x) := coldfire +cpuclass-$(CONFIG_M54xx) := coldfire cpuclass-$(CONFIG_M68328) := 68328 cpuclass-$(CONFIG_M68EZ328) := 68328 cpuclass-$(CONFIG_M68VZ328) := 68328 @@ -91,18 +91,18 @@ export PLATFORM BOARD MODEL CPUCLASS # Some CFLAG additions based on specific CPU type. # cflags-$(CONFIG_M5206) := $(call cc-option,-mcpu=5206,-m5200) -cflags-$(CONFIG_M5206e) := $(call cc-option,-m5206e,-m5200) +cflags-$(CONFIG_M5206e) := $(call cc-option,-mcpu=5206e,-m5200) cflags-$(CONFIG_M520x) := $(call cc-option,-mcpu=5208,-m5200) cflags-$(CONFIG_M523x) := $(call cc-option,-mcpu=523x,-m5307) cflags-$(CONFIG_M5249) := $(call cc-option,-mcpu=5249,-m5200) cflags-$(CONFIG_M5271) := $(call cc-option,-mcpu=5271,-m5307) cflags-$(CONFIG_M5272) := $(call cc-option,-mcpu=5272,-m5307) cflags-$(CONFIG_M5275) := $(call cc-option,-mcpu=5275,-m5307) -cflags-$(CONFIG_M528x) := $(call cc-option,-m528x,-m5307) -cflags-$(CONFIG_M5307) := $(call cc-option,-m5307,-m5200) +cflags-$(CONFIG_M528x) := $(call cc-option,-mcpu=528x,-m5307) +cflags-$(CONFIG_M5307) := $(call cc-option,-mcpu=5307,-m5200) cflags-$(CONFIG_M532x) := $(call cc-option,-mcpu=532x,-m5307) -cflags-$(CONFIG_M5407) := $(call cc-option,-m5407,-m5200) -cflags-$(CONFIG_M548x) := $(call cc-option,-m5407,-m5200) +cflags-$(CONFIG_M5407) := $(call cc-option,-mcpu=5407,-m5200) +cflags-$(CONFIG_M54xx) := $(call cc-option,-mcpu=5475,-m5200) cflags-$(CONFIG_M68328) := -m68000 cflags-$(CONFIG_M68EZ328) := -m68000 cflags-$(CONFIG_M68VZ328) := -m68000 diff --git a/arch/m68knommu/configs/m5208evb_defconfig b/arch/m68knommu/configs/m5208evb_defconfig index 6ac2981a2cd..2f5655c577a 100644 --- a/arch/m68knommu/configs/m5208evb_defconfig +++ b/arch/m68knommu/configs/m5208evb_defconfig @@ -1,7 +1,7 @@ CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set diff --git a/arch/m68knommu/configs/m5249evb_defconfig b/arch/m68knommu/configs/m5249evb_defconfig index 14934ff8d5c..16df72bfbd4 100644 --- a/arch/m68knommu/configs/m5249evb_defconfig +++ b/arch/m68knommu/configs/m5249evb_defconfig @@ -1,7 +1,7 @@ CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set diff --git a/arch/m68knommu/configs/m5272c3_defconfig b/arch/m68knommu/configs/m5272c3_defconfig index 5985a3b593d..4e6ea50c7f3 100644 --- a/arch/m68knommu/configs/m5272c3_defconfig +++ b/arch/m68knommu/configs/m5272c3_defconfig @@ -1,7 +1,7 @@ CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set diff --git a/arch/m68knommu/configs/m5275evb_defconfig b/arch/m68knommu/configs/m5275evb_defconfig index 5a7857efb45..f3dd74115a3 100644 --- a/arch/m68knommu/configs/m5275evb_defconfig +++ b/arch/m68knommu/configs/m5275evb_defconfig @@ -1,7 +1,7 @@ CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set diff --git a/arch/m68knommu/configs/m5307c3_defconfig b/arch/m68knommu/configs/m5307c3_defconfig index e8102018c8d..bce0a20c373 100644 --- a/arch/m68knommu/configs/m5307c3_defconfig +++ b/arch/m68knommu/configs/m5307c3_defconfig @@ -1,7 +1,7 @@ CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set diff --git a/arch/m68knommu/configs/m5407c3_defconfig b/arch/m68knommu/configs/m5407c3_defconfig index 5c124a7ba2a..618cc32691f 100644 --- a/arch/m68knommu/configs/m5407c3_defconfig +++ b/arch/m68knommu/configs/m5407c3_defconfig @@ -1,7 +1,7 @@ CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set diff --git a/arch/m68knommu/defconfig b/arch/m68knommu/defconfig index 6ac2981a2cd..2f5655c577a 100644 --- a/arch/m68knommu/defconfig +++ b/arch/m68knommu/defconfig @@ -1,7 +1,7 @@ CONFIG_EXPERIMENTAL=y CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set -CONFIG_EMBEDDED=y +CONFIG_EXPERT=y # CONFIG_KALLSYMS is not set # CONFIG_HOTPLUG is not set # CONFIG_FUTEX is not set diff --git a/arch/m68knommu/kernel/entry.S b/arch/m68knommu/kernel/entry.S index aff6f57ef8b..2783f25e38b 100644 --- a/arch/m68knommu/kernel/entry.S +++ b/arch/m68knommu/kernel/entry.S @@ -112,22 +112,6 @@ ENTRY(sys_clone) RESTORE_SWITCH_STACK rts -ENTRY(sys_sigsuspend) - SAVE_SWITCH_STACK - pea %sp@(SWITCH_STACK_SIZE) - jbsr do_sigsuspend - addql #4,%sp - RESTORE_SWITCH_STACK - rts - -ENTRY(sys_rt_sigsuspend) - SAVE_SWITCH_STACK - pea %sp@(SWITCH_STACK_SIZE) - jbsr do_rt_sigsuspend - addql #4,%sp - RESTORE_SWITCH_STACK - rts - ENTRY(sys_sigreturn) SAVE_SWITCH_STACK jbsr do_sigreturn diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c index c684adf5dc4..16b2de7f510 100644 --- a/arch/m68knommu/kernel/setup.c +++ b/arch/m68knommu/kernel/setup.c @@ -55,55 +55,29 @@ void (*mach_halt)(void); void (*mach_power_off)(void); #ifdef CONFIG_M68328 - #define CPU "MC68328" +#define CPU_NAME "MC68328" #endif #ifdef CONFIG_M68EZ328 - #define CPU "MC68EZ328" +#define CPU_NAME "MC68EZ328" #endif #ifdef CONFIG_M68VZ328 - #define CPU "MC68VZ328" +#define CPU_NAME "MC68VZ328" #endif #ifdef CONFIG_M68360 - #define CPU "MC68360" +#define CPU_NAME "MC68360" #endif -#if defined(CONFIG_M5206) - #define CPU "COLDFIRE(m5206)" +#ifndef CPU_NAME +#define CPU_NAME "UNKNOWN" #endif -#if defined(CONFIG_M5206e) - #define CPU "COLDFIRE(m5206e)" -#endif -#if defined(CONFIG_M520x) - #define CPU "COLDFIRE(m520x)" -#endif -#if defined(CONFIG_M523x) - #define CPU "COLDFIRE(m523x)" -#endif -#if defined(CONFIG_M5249) - #define CPU "COLDFIRE(m5249)" -#endif -#if defined(CONFIG_M5271) - #define CPU "COLDFIRE(m5270/5271)" -#endif -#if defined(CONFIG_M5272) - #define CPU "COLDFIRE(m5272)" -#endif -#if defined(CONFIG_M5275) - #define CPU "COLDFIRE(m5274/5275)" -#endif -#if defined(CONFIG_M528x) - #define CPU "COLDFIRE(m5280/5282)" -#endif -#if defined(CONFIG_M5307) - #define CPU "COLDFIRE(m5307)" -#endif -#if defined(CONFIG_M532x) - #define CPU "COLDFIRE(m532x)" -#endif -#if defined(CONFIG_M5407) - #define CPU "COLDFIRE(m5407)" -#endif -#ifndef CPU - #define CPU "UNKNOWN" + +/* + * Different cores have different instruction execution timings. + * The old/traditional 68000 cores are basically all the same, at 16. + * The ColdFire cores vary a little, their values are defined in their + * headers. We default to the standard 68000 value here. + */ +#ifndef CPU_INSTR_PER_JIFFY +#define CPU_INSTR_PER_JIFFY 16 #endif extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; @@ -208,7 +182,7 @@ void __init setup_arch(char **cmdline_p) command_line[sizeof(command_line) - 1] = 0; #endif /* CONFIG_UBOOT */ - printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n"); + printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU_NAME "\n"); #ifdef CONFIG_UCDIMM printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n"); @@ -257,11 +231,6 @@ void __init setup_arch(char **cmdline_p) memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); boot_command_line[COMMAND_LINE_SIZE-1] = 0; -#ifdef DEBUG - if (strlen(*cmdline_p)) - printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p); -#endif - #if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE) conswitchp = &dummy_con; #endif @@ -303,15 +272,10 @@ static int show_cpuinfo(struct seq_file *m, void *v) char *cpu, *mmu, *fpu; u_long clockfreq; - cpu = CPU; + cpu = CPU_NAME; mmu = "none"; fpu = "none"; - -#ifdef CONFIG_COLDFIRE - clockfreq = (loops_per_jiffy * HZ) * 3; -#else - clockfreq = (loops_per_jiffy * HZ) * 16; -#endif + clockfreq = (loops_per_jiffy * HZ) * CPU_INSTR_PER_JIFFY; seq_printf(m, "CPU:\t\t%s\n" "MMU:\t\t%s\n" diff --git a/arch/m68knommu/kernel/signal.c b/arch/m68knommu/kernel/signal.c index 5ab6a04af14..36a81bb6835 100644 --- a/arch/m68knommu/kernel/signal.c +++ b/arch/m68knommu/kernel/signal.c @@ -53,65 +53,30 @@ void ret_from_user_signal(void); void ret_from_user_rt_signal(void); -asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs); /* * Atomically swap in the new signal mask, and wait for a signal. */ -asmlinkage int do_sigsuspend(struct pt_regs *regs) +asmlinkage int +sys_sigsuspend(int unused0, int unused1, old_sigset_t mask) { - old_sigset_t mask = regs->d3; - sigset_t saveset; - mask &= _BLOCKABLE; spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; + current->saved_sigmask = current->blocked; siginitset(¤t->blocked, mask); recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - regs->d0 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(&saveset, regs)) - return -EINTR; - } -} - -asmlinkage int -do_rt_sigsuspend(struct pt_regs *regs) -{ - sigset_t *unewset = (sigset_t *)regs->d1; - size_t sigsetsize = (size_t)regs->d2; - sigset_t saveset, newset; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset_t)) - return -EINVAL; + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_restore_sigmask(); - if (copy_from_user(&newset, unewset, sizeof(newset))) - return -EFAULT; - sigdelsetmask(&newset, ~_BLOCKABLE); - - spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - regs->d0 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(&saveset, regs)) - return -EINTR; - } + return -ERESTARTNOHAND; } -asmlinkage int -sys_sigaction(int sig, const struct old_sigaction *act, - struct old_sigaction *oact) +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; @@ -120,10 +85,10 @@ sys_sigaction(int sig, const struct old_sigaction *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)) + __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) || + __get_user(new_ka.sa.sa_flags, &act->sa_flags) || + __get_user(mask, &act->sa_mask)) 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); } @@ -132,17 +97,17 @@ sys_sigaction(int sig, const struct old_sigaction *act, 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)) + __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) || + __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || + __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) 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 *uss, stack_t *uoss) +sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) { return do_sigaltstack(uss, uoss, rdusp()); } @@ -157,10 +122,10 @@ sys_sigaltstack(const stack_t *uss, stack_t *uoss) struct sigframe { - char *pretcode; + char __user *pretcode; int sig; int code; - struct sigcontext *psc; + struct sigcontext __user *psc; char retcode[8]; unsigned long extramask[_NSIG_WORDS-1]; struct sigcontext sc; @@ -168,10 +133,10 @@ struct sigframe struct rt_sigframe { - char *pretcode; + char __user *pretcode; int sig; - struct siginfo *pinfo; - void *puc; + struct siginfo __user *pinfo; + void __user *puc; char retcode[8]; struct siginfo info; struct ucontext uc; @@ -198,8 +163,8 @@ static inline int restore_fpu_state(struct sigcontext *sc) goto out; __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %0,%/fp0-%/fp1\n\t" - "fmoveml %1,%/fpcr/%/fpsr/%/fpiar\n\t" + "fmovemx %0,%%fp0-%%fp1\n\t" + "fmoveml %1,%%fpcr/%%fpsr/%%fpiar\n\t" ".chip 68k" : /* no outputs */ : "m" (*sc->sc_fpregs), "m" (*sc->sc_fpcntl)); @@ -218,7 +183,7 @@ out: #define uc_formatvec uc_filler[FPCONTEXT_SIZE/4] #define uc_extra uc_filler[FPCONTEXT_SIZE/4+1] -static inline int rt_restore_fpu_state(struct ucontext *uc) +static inline int rt_restore_fpu_state(struct ucontext __user *uc) { unsigned char fpstate[FPCONTEXT_SIZE]; int context_size = 0; @@ -228,7 +193,7 @@ static inline int rt_restore_fpu_state(struct ucontext *uc) if (FPU_IS_EMU) { /* restore fpu control register */ if (__copy_from_user(current->thread.fpcntl, - &uc->uc_mcontext.fpregs.f_pcr, 12)) + uc->uc_mcontext.fpregs.f_fpcntl, 12)) goto out; /* restore all other fpu register */ if (__copy_from_user(current->thread.fp, @@ -237,7 +202,7 @@ static inline int rt_restore_fpu_state(struct ucontext *uc) return 0; } - if (__get_user(*(long *)fpstate, (long *)&uc->uc_fpstate)) + if (__get_user(*(long *)fpstate, (long __user *)&uc->uc_fpstate)) goto out; if (fpstate[0]) { context_size = fpstate[1]; @@ -249,15 +214,15 @@ static inline int rt_restore_fpu_state(struct ucontext *uc) sizeof(fpregs))) goto out; __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %0,%/fp0-%/fp7\n\t" - "fmoveml %1,%/fpcr/%/fpsr/%/fpiar\n\t" + "fmovemx %0,%%fp0-%%fp7\n\t" + "fmoveml %1,%%fpcr/%%fpsr/%%fpiar\n\t" ".chip 68k" : /* no outputs */ : "m" (*fpregs.f_fpregs), - "m" (fpregs.f_pcr)); + "m" (*fpregs.f_fpcntl)); } if (context_size && - __copy_from_user(fpstate + 4, (long *)&uc->uc_fpstate + 1, + __copy_from_user(fpstate + 4, (long __user *)&uc->uc_fpstate + 1, context_size)) goto out; __asm__ volatile (".chip 68k/68881\n\t" @@ -272,7 +237,7 @@ out: #endif static inline int -restore_sigcontext(struct pt_regs *regs, struct sigcontext *usc, void *fp, +restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __user *fp, int *pd0) { int formatvec; @@ -312,10 +277,10 @@ badframe: static inline int rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw, - struct ucontext *uc, int *pd0) + struct ucontext __user *uc, int *pd0) { int temp; - greg_t *gregs = uc->uc_mcontext.gregs; + greg_t __user *gregs = uc->uc_mcontext.gregs; unsigned long usp; int err; @@ -365,7 +330,7 @@ asmlinkage int do_sigreturn(unsigned long __unused) struct switch_stack *sw = (struct switch_stack *) &__unused; struct pt_regs *regs = (struct pt_regs *) (sw + 1); unsigned long usp = rdusp(); - struct sigframe *frame = (struct sigframe *)(usp - 4); + struct sigframe __user *frame = (struct sigframe __user *)(usp - 4); sigset_t set; int d0; @@ -397,7 +362,7 @@ asmlinkage int do_rt_sigreturn(unsigned long __unused) struct switch_stack *sw = (struct switch_stack *) &__unused; struct pt_regs *regs = (struct pt_regs *) (sw + 1); unsigned long usp = rdusp(); - struct rt_sigframe *frame = (struct rt_sigframe *)(usp - 4); + struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(usp - 4); sigset_t set; int d0; @@ -443,17 +408,17 @@ static inline void save_fpu_state(struct sigcontext *sc, struct pt_regs *regs) if (sc->sc_fpstate[0]) { fpu_version = sc->sc_fpstate[0]; __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %/fp0-%/fp1,%0\n\t" - "fmoveml %/fpcr/%/fpsr/%/fpiar,%1\n\t" + "fmovemx %%fp0-%%fp1,%0\n\t" + "fmoveml %%fpcr/%%fpsr/%%fpiar,%1\n\t" ".chip 68k" - : /* no outputs */ - : "m" (*sc->sc_fpregs), - "m" (*sc->sc_fpcntl) + : "=m" (*sc->sc_fpregs), + "=m" (*sc->sc_fpcntl) + : /* no inputs */ : "memory"); } } -static inline int rt_save_fpu_state(struct ucontext *uc, struct pt_regs *regs) +static inline int rt_save_fpu_state(struct ucontext __user *uc, struct pt_regs *regs) { unsigned char fpstate[FPCONTEXT_SIZE]; int context_size = 0; @@ -461,7 +426,7 @@ static inline int rt_save_fpu_state(struct ucontext *uc, struct pt_regs *regs) if (FPU_IS_EMU) { /* save fpu control register */ - err |= copy_to_user(&uc->uc_mcontext.fpregs.f_pcr, + err |= copy_to_user(uc->uc_mcontext.fpregs.f_pcntl, current->thread.fpcntl, 12); /* save all other fpu register */ err |= copy_to_user(uc->uc_mcontext.fpregs.f_fpregs, @@ -474,24 +439,24 @@ static inline int rt_save_fpu_state(struct ucontext *uc, struct pt_regs *regs) ".chip 68k" : : "m" (*fpstate) : "memory"); - err |= __put_user(*(long *)fpstate, (long *)&uc->uc_fpstate); + err |= __put_user(*(long *)fpstate, (long __user *)&uc->uc_fpstate); if (fpstate[0]) { fpregset_t fpregs; context_size = fpstate[1]; fpu_version = fpstate[0]; __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %/fp0-%/fp7,%0\n\t" - "fmoveml %/fpcr/%/fpsr/%/fpiar,%1\n\t" + "fmovemx %%fp0-%%fp7,%0\n\t" + "fmoveml %%fpcr/%%fpsr/%%fpiar,%1\n\t" ".chip 68k" - : /* no outputs */ - : "m" (*fpregs.f_fpregs), - "m" (fpregs.f_pcr) + : "=m" (*fpregs.f_fpregs), + "=m" (*fpregs.f_fpcntl) + : /* no inputs */ : "memory"); err |= copy_to_user(&uc->uc_mcontext.fpregs, &fpregs, sizeof(fpregs)); } if (context_size) - err |= copy_to_user((long *)&uc->uc_fpstate + 1, fpstate + 4, + err |= copy_to_user((long __user *)&uc->uc_fpstate + 1, fpstate + 4, context_size); return err; } @@ -516,10 +481,10 @@ static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs, #endif } -static inline int rt_setup_ucontext(struct ucontext *uc, struct pt_regs *regs) +static inline int rt_setup_ucontext(struct ucontext __user *uc, struct pt_regs *regs) { struct switch_stack *sw = (struct switch_stack *)regs - 1; - greg_t *gregs = uc->uc_mcontext.gregs; + greg_t __user *gregs = uc->uc_mcontext.gregs; int err = 0; err |= __put_user(MCONTEXT_VERSION, &uc->uc_mcontext.version); @@ -547,7 +512,7 @@ static inline int rt_setup_ucontext(struct ucontext *uc, struct pt_regs *regs) return err; } -static inline void * +static inline void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) { unsigned long usp; @@ -560,13 +525,13 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) if (!sas_ss_flags(usp)) usp = current->sas_ss_sp + current->sas_ss_size; } - return (void *)((usp - frame_size) & -8UL); + return (void __user *)((usp - frame_size) & -8UL); } -static void setup_frame (int sig, struct k_sigaction *ka, +static int setup_frame (int sig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *regs) { < |