diff options
Diffstat (limited to 'arch/m68k/kernel')
| -rw-r--r-- | arch/m68k/kernel/asm-offsets.c | 12 | ||||
| -rw-r--r-- | arch/m68k/kernel/entry.S | 78 | ||||
| -rw-r--r-- | arch/m68k/kernel/head.S | 2 | ||||
| -rw-r--r-- | arch/m68k/kernel/m68k_ksyms.c | 2 | ||||
| -rw-r--r-- | arch/m68k/kernel/process.c | 7 | ||||
| -rw-r--r-- | arch/m68k/kernel/ptrace.c | 15 | ||||
| -rw-r--r-- | arch/m68k/kernel/setup.c | 19 | ||||
| -rw-r--r-- | arch/m68k/kernel/signal.c | 62 | ||||
| -rw-r--r-- | arch/m68k/kernel/sys_m68k.c | 40 | ||||
| -rw-r--r-- | arch/m68k/kernel/traps.c | 38 | ||||
| -rw-r--r-- | arch/m68k/kernel/vmlinux-std.lds | 1 | ||||
| -rw-r--r-- | arch/m68k/kernel/vmlinux-sun3.lds | 3 |
12 files changed, 133 insertions, 146 deletions
diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c index cee3317b866..246a8820c22 100644 --- a/arch/m68k/kernel/asm-offsets.c +++ b/arch/m68k/kernel/asm-offsets.c @@ -25,12 +25,8 @@ int main(void) DEFINE(TASK_STATE, offsetof(struct task_struct, state)); DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags)); DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); - DEFINE(TASK_WORK, offsetof(struct task_struct, thread.work)); - DEFINE(TASK_NEEDRESCHED, offsetof(struct task_struct, thread.work.need_resched)); - DEFINE(TASK_SYSCALL_TRACE, offsetof(struct task_struct, thread.work.syscall_trace)); - DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, thread.work.sigpending)); - DEFINE(TASK_NOTIFY_RESUME, offsetof(struct task_struct, thread.work.notify_resume)); DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); + DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info)); DEFINE(TASK_MM, offsetof(struct task_struct, mm)); DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); @@ -45,6 +41,10 @@ int main(void) DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl)); DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate)); + /* offsets into the thread_info struct */ + DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count)); + DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags)); + /* offsets into the pt_regs */ DEFINE(PT_D0, offsetof(struct pt_regs, d0)); DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0)); @@ -92,7 +92,7 @@ int main(void) DEFINE(TRAP_TRACE, TRAP_TRACE); /* offsets into the custom struct */ - DEFINE(CUSTOMBASE, &custom); + DEFINE(CUSTOMBASE, &amiga_custom); DEFINE(C_INTENAR, offsetof(struct CUSTOM, intenar)); DEFINE(C_INTREQR, offsetof(struct CUSTOM, intreqr)); DEFINE(C_INTENA, offsetof(struct CUSTOM, intena)); diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S index 23ca60a4555..320fde05dc6 100644 --- a/arch/m68k/kernel/entry.S +++ b/arch/m68k/kernel/entry.S @@ -44,9 +44,7 @@ #include <asm/asm-offsets.h> -.globl system_call, buserr, trap -.globl resume, ret_from_exception -.globl ret_from_signal +.globl system_call, buserr, trap, resume .globl inthandler, sys_call_table .globl sys_fork, sys_clone, sys_vfork .globl ret_from_interrupt, bad_interrupt @@ -58,7 +56,7 @@ ENTRY(buserr) movel %sp,%sp@- | stack frame pointer argument bsrl buserr_c addql #4,%sp - jra ret_from_exception + jra .Lret_from_exception ENTRY(trap) SAVE_ALL_INT @@ -66,7 +64,7 @@ ENTRY(trap) movel %sp,%sp@- | stack frame pointer argument bsrl trap_c addql #4,%sp - jra ret_from_exception + jra .Lret_from_exception | After a fork we jump here directly from resume, | so that %d1 contains the previous task @@ -75,30 +73,31 @@ ENTRY(ret_from_fork) movel %d1,%sp@- jsr schedule_tail addql #4,%sp - jra ret_from_exception + jra .Lret_from_exception -badsys: - movel #-ENOSYS,%sp@(PT_D0) - jra ret_from_exception - -do_trace: +do_trace_entry: movel #-ENOSYS,%sp@(PT_D0) | needed for strace subql #4,%sp SAVE_SWITCH_STACK jbsr syscall_trace RESTORE_SWITCH_STACK addql #4,%sp - movel %sp@(PT_ORIG_D0),%d1 - movel #-ENOSYS,%d0 - cmpl #NR_syscalls,%d1 - jcc 1f - jbsr @(sys_call_table,%d1:l:4)@(0) -1: movel %d0,%sp@(PT_D0) | save the return value - subql #4,%sp | dummy return address + movel %sp@(PT_ORIG_D0),%d0 + cmpl #NR_syscalls,%d0 + jcs syscall +badsys: + movel #-ENOSYS,%sp@(PT_D0) + jra ret_from_syscall + +do_trace_exit: + subql #4,%sp SAVE_SWITCH_STACK jbsr syscall_trace + RESTORE_SWITCH_STACK + addql #4,%sp + jra .Lret_from_exception -ret_from_signal: +ENTRY(ret_from_signal) RESTORE_SWITCH_STACK addql #4,%sp /* on 68040 complete pending writebacks if any */ @@ -111,7 +110,7 @@ ret_from_signal: addql #4,%sp 1: #endif - jra ret_from_exception + jra .Lret_from_exception ENTRY(system_call) SAVE_ALL_SYS @@ -120,30 +119,34 @@ ENTRY(system_call) | save top of frame movel %sp,%curptr@(TASK_THREAD+THREAD_ESP0) - tstb %curptr@(TASK_SYSCALL_TRACE) - jne do_trace + | syscall trace? + tstb %curptr@(TASK_INFO+TINFO_FLAGS+2) + jmi do_trace_entry cmpl #NR_syscalls,%d0 jcc badsys +syscall: jbsr @(sys_call_table,%d0:l:4)@(0) movel %d0,%sp@(PT_D0) | save the return value - +ret_from_syscall: |oriw #0x0700,%sr - movel %curptr@(TASK_WORK),%d0 + movew %curptr@(TASK_INFO+TINFO_FLAGS+2),%d0 jne syscall_exit_work 1: RESTORE_ALL syscall_exit_work: btst #5,%sp@(PT_SR) | check if returning to kernel bnes 1b | if so, skip resched, signals - tstw %d0 - jeq do_signal_return - tstb %d0 - jne do_delayed_trace - + lslw #1,%d0 + jcs do_trace_exit + jmi do_delayed_trace + lslw #8,%d0 + jmi do_signal_return pea resume_userspace - jmp schedule + jra schedule + -ret_from_exception: +ENTRY(ret_from_exception) +.Lret_from_exception: btst #5,%sp@(PT_SR) | check if returning to kernel bnes 1f | if so, skip resched, signals | only allow interrupts when we are really the last one on the @@ -152,19 +155,18 @@ ret_from_exception: andw #ALLOWINT,%sr resume_userspace: - movel %curptr@(TASK_WORK),%d0 - lsrl #8,%d0 + moveb %curptr@(TASK_INFO+TINFO_FLAGS+3),%d0 jne exit_work 1: RESTORE_ALL exit_work: | save top of frame movel %sp,%curptr@(TASK_THREAD+THREAD_ESP0) - tstb %d0 - jeq do_signal_return - + lslb #1,%d0 + jmi do_signal_return pea resume_userspace - jmp schedule + jra schedule + do_signal_return: |andw #ALLOWINT,%sr @@ -254,7 +256,7 @@ ret_from_interrupt: /* check if we need to do software interrupts */ tstl irq_stat+CPUSTAT_SOFTIRQ_PENDING - jeq ret_from_exception + jeq .Lret_from_exception pea ret_from_exception jra do_softirq diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S index d4336d846df..70002c146ee 100644 --- a/arch/m68k/kernel/head.S +++ b/arch/m68k/kernel/head.S @@ -273,8 +273,10 @@ * Macintosh console support */ +#ifdef CONFIG_FRAMEBUFFER_CONSOLE #define CONSOLE #define CONSOLE_PENGUIN +#endif /* * Macintosh serial debug support; outputs boot info to the printer diff --git a/arch/m68k/kernel/m68k_ksyms.c b/arch/m68k/kernel/m68k_ksyms.c index 73e2f5e168d..3d7f2000b71 100644 --- a/arch/m68k/kernel/m68k_ksyms.c +++ b/arch/m68k/kernel/m68k_ksyms.c @@ -23,8 +23,6 @@ asmlinkage long long __lshrdi3 (long long, int); asmlinkage long long __muldi3 (long long, long long); extern char m68k_debug_device[]; -extern void dump_thread(struct pt_regs *, struct user *); - /* platform dependent support */ EXPORT_SYMBOL(m68k_machtype); diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index 13d109328a4..3f9cb55d035 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -238,10 +238,9 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp, { struct pt_regs * childregs; struct switch_stack * childstack, *stack; - unsigned long stack_offset, *retp; + unsigned long *retp; - stack_offset = THREAD_SIZE - sizeof(struct pt_regs); - childregs = (struct pt_regs *) ((unsigned long) (p->thread_info) + stack_offset); + childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE) - 1; *childregs = *regs; childregs->d0 = 0; @@ -386,7 +385,7 @@ unsigned long get_wchan(struct task_struct *p) if (!p || p == current || p->state == TASK_RUNNING) return 0; - stack_page = (unsigned long)(p->thread_info); + stack_page = (unsigned long)task_stack_page(p); fp = ((struct switch_stack *)p->thread.ksp)->a6; do { if (fp < stack_page+sizeof(struct thread_info) || diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index 7e54422685c..540638ca81f 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -109,7 +109,7 @@ static inline void singlestep_disable(struct task_struct *child) { unsigned long tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16); put_reg(child, PT_SR, tmp); - child->thread.work.delayed_trace = 0; + clear_tsk_thread_flag(child, TIF_DELAYED_TRACE); } /* @@ -118,7 +118,7 @@ static inline void singlestep_disable(struct task_struct *child) void ptrace_disable(struct task_struct *child) { singlestep_disable(child); - child->thread.work.syscall_trace = 0; + clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); } long arch_ptrace(struct task_struct *child, long request, long addr, long data) @@ -198,9 +198,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) goto out_eio; if (request == PTRACE_SYSCALL) - child->thread.work.syscall_trace = ~0; + set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); else - child->thread.work.syscall_trace = 0; + clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); child->exit_code = data; singlestep_disable(child); wake_up_process(child); @@ -223,10 +223,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) if (!valid_signal(data)) goto out_eio; - child->thread.work.syscall_trace = 0; + clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); tmp = get_reg(child, PT_SR) | (TRACE_BITS << 16); put_reg(child, PT_SR, tmp); - child->thread.work.delayed_trace = 1; + set_tsk_thread_flag(child, TIF_DELAYED_TRACE); child->exit_code = data; /* give it a chance to run. */ @@ -288,9 +288,6 @@ out_eio: asmlinkage void syscall_trace(void) { - if (!current->thread.work.delayed_trace && - !current->thread.work.syscall_trace) - return; ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) ? 0x80 : 0)); /* diff --git a/arch/m68k/kernel/setup.c b/arch/m68k/kernel/setup.c index d6ca99242e5..750d5b3c971 100644 --- a/arch/m68k/kernel/setup.c +++ b/arch/m68k/kernel/setup.c @@ -84,9 +84,6 @@ void (*mach_reset)( void ); void (*mach_halt)( void ); void (*mach_power_off)( void ); long mach_max_dma_address = 0x00ffffff; /* default set to the lower 16MB */ -#if defined(CONFIG_AMIGA_FLOPPY) || defined(CONFIG_ATARI_FLOPPY) -void (*mach_floppy_setup) (char *, int *) __initdata = NULL; -#endif #ifdef CONFIG_HEARTBEAT void (*mach_heartbeat) (int); EXPORT_SYMBOL(mach_heartbeat); @@ -100,6 +97,8 @@ void (*mach_beep)(unsigned int, unsigned int); #if defined(CONFIG_ISA) && defined(MULTI_ISA) int isa_type; int isa_sex; +EXPORT_SYMBOL(isa_type); +EXPORT_SYMBOL(isa_sex); #endif extern int amiga_parse_bootinfo(const struct bi_record *); @@ -280,6 +279,10 @@ void __init setup_arch(char **cmdline_p) } } +#ifdef CONFIG_DUMMY_CONSOLE + conswitchp = &dummy_con; +#endif + switch (m68k_machtype) { #ifdef CONFIG_AMIGA case MACH_AMIGA: @@ -521,16 +524,6 @@ int get_hardware_list(char *buffer) return(len); } - -#if defined(CONFIG_AMIGA_FLOPPY) || defined(CONFIG_ATARI_FLOPPY) -void __init floppy_setup(char *str, int *ints) -{ - if (mach_floppy_setup) - mach_floppy_setup (str, ints); -} - -#endif - void check_bugs(void) { #ifndef CONFIG_M68KFPU_EMU diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index 9c636a4c238..866917bfa02 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -96,7 +96,7 @@ asmlinkage int do_sigsuspend(struct pt_regs *regs) asmlinkage int do_rt_sigsuspend(struct pt_regs *regs) { - sigset_t *unewset = (sigset_t *)regs->d1; + sigset_t __user *unewset = (sigset_t __user *)regs->d1; size_t sigsetsize = (size_t)regs->d2; sigset_t saveset, newset; @@ -122,8 +122,8 @@ do_rt_sigsuspend(struct pt_regs *regs) } asmlinkage int -sys_sigaction(int sig, const struct old_sigaction *act, - struct old_sigaction *oact) +sys_sigaction(int sig, const struct old_sigaction __user *act, + struct old_sigaction __user *oact) { struct k_sigaction new_ka, old_ka; int ret; @@ -154,7 +154,7 @@ sys_sigaction(int sig, const struct old_sigaction *act, } 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()); } @@ -169,10 +169,10 @@ 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; @@ -180,10 +180,10 @@ 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; @@ -248,7 +248,7 @@ 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 = CPU_IS_060 ? 8 : 0; @@ -267,7 +267,7 @@ 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 (CPU_IS_060 ? fpstate[2] : fpstate[0]) { if (!CPU_IS_060) @@ -306,7 +306,7 @@ static inline int rt_restore_fpu_state(struct ucontext *uc) "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" @@ -319,7 +319,7 @@ out: } 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 fsize, formatvec; @@ -404,10 +404,10 @@ 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 fsize, temp; - greg_t *gregs = uc->uc_mcontext.gregs; + greg_t __user *gregs = uc->uc_mcontext.gregs; unsigned long usp; int err; @@ -506,7 +506,7 @@ 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; @@ -536,7 +536,7 @@ 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; @@ -596,7 +596,7 @@ static inline void save_fpu_state(struct sigcontext *sc, struct pt_regs *regs) } } -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 = CPU_IS_060 ? 8 : 0; @@ -617,7 +617,7 @@ 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 (CPU_IS_060 ? fpstate[2] : fpstate[0]) { fpregset_t fpregs; if (!CPU_IS_060) @@ -642,7 +642,7 @@ static inline int rt_save_fpu_state(struct ucontext *uc, struct pt_regs *regs) 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; } @@ -662,10 +662,10 @@ static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs, save_fpu_state(sc, regs); } -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); @@ -753,7 +753,7 @@ static inline void push_cache (unsigned long vaddr) } } -static inline void * +static inline void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) { unsigned long usp; @@ -766,13 +766,13 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) if (!on_sig_stack(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, sigset_t *set, struct pt_regs *regs) { - struct sigframe *frame; + struct sigframe __user *frame; int fsize = frame_extra_sizes[regs->format]; struct sigcontext context; int err = 0; @@ -813,7 +813,7 @@ static void setup_frame (int sig, struct k_sigaction *ka, err |= __put_user(frame->retcode, &frame->pretcode); /* moveq #,d0; trap #0 */ err |= __put_user(0x70004e40 + (__NR_sigreturn << 16), - (long *)(frame->retcode)); + (long __user *)(frame->retcode)); if (err) goto give_sigsegv; @@ -849,7 +849,7 @@ give_sigsegv: static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, struct pt_regs *regs) { - struct rt_sigframe *frame; + struct rt_sigframe __user *frame; int fsize = frame_extra_sizes[regs->format]; int err = 0; @@ -880,8 +880,8 @@ static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, /* Create the ucontext. */ err |= __put_user(0, &frame->uc.uc_flags); - err |= __put_user(0, &frame->uc.uc_link); - err |= __put_user((void *)current->sas_ss_sp, + err |= __put_user(NULL, &frame->uc.uc_link); + err |= __put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp); err |= __put_user(sas_ss_flags(rdusp()), &frame->uc.uc_stack.ss_flags); @@ -893,8 +893,8 @@ static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, err |= __put_user(frame->retcode, &frame->pretcode); /* moveq #,d0; notb d0; trap #0 */ err |= __put_user(0x70004600 + ((__NR_rt_sigreturn ^ 0xff) << 16), - (long *)(frame->retcode + 0)); - err |= __put_user(0x4e40, (short *)(frame->retcode + 4)); + (long __user *)(frame->retcode + 0)); + err |= __put_user(0x4e40, (short __user *)(frame->retcode + 4)); if (err) goto give_sigsegv; diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 2ed7b783f65..143c552d38f 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -6,6 +6,7 @@ * platform. */ +#include <linux/capability.h> #include <linux/errno.h> #include <linux/sched.h> #include <linux/mm.h> @@ -31,7 +32,7 @@ * sys_pipe() is the normal C calling standard for creating * a pipe. It's not the way unix traditionally does this, though. */ -asmlinkage int sys_pipe(unsigned long * fildes) +asmlinkage int sys_pipe(unsigned long __user * fildes) { int fd[2]; int error; @@ -93,7 +94,7 @@ struct mmap_arg_struct { unsigned long offset; }; -asmlinkage int old_mmap(struct mmap_arg_struct *arg) +asmlinkage int old_mmap(struct mmap_arg_struct __user *arg) { struct mmap_arg_struct a; int error = -EFAULT; @@ -159,11 +160,11 @@ out: struct sel_arg_struct { unsigned long n; - fd_set *inp, *outp, *exp; - struct timeval *tvp; + fd_set __user *inp, *outp, *exp; + struct timeval __user *tvp; }; -asmlinkage int old_select(struct sel_arg_struct *arg) +asmlinkage int old_select(struct sel_arg_struct __user *arg) { struct sel_arg_struct a; @@ -179,7 +180,7 @@ asmlinkage int old_select(struct sel_arg_struct *arg) * This is really horribly ugly. */ asmlinkage int sys_ipc (uint call, int first, int second, - int third, void *ptr, long fifth) + int third, void __user *ptr, long fifth) { int version, ret; @@ -189,14 +190,14 @@ asmlinkage int sys_ipc (uint call, int first, int second, if (call <= SEMCTL) switch (call) { case SEMOP: - return sys_semop (first, (struct sembuf *)ptr, second); + return sys_semop (first, ptr, second); case SEMGET: return sys_semget (first, second, third); case SEMCTL: { union semun fourth; if (!ptr) return -EINVAL; - if (get_user(fourth.__pad, (void **) ptr)) + if (get_user(fourth.__pad, (void __user *__user *) ptr)) return -EFAULT; return sys_semctl (first, second, third, fourth); } @@ -206,31 +207,26 @@ asmlinkage int sys_ipc (uint call, int first, int second, if (call <= MSGCTL) switch (call) { case MSGSND: - return sys_msgsnd (first, (struct msgbuf *) ptr, - second, third); + return sys_msgsnd (first, 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 *)ptr, - sizeof (tmp))) + if (copy_from_user (&tmp, ptr, sizeof (tmp))) return -EFAULT; return sys_msgrcv (first, tmp.msgp, second, tmp.msgtyp, third); } default: - return sys_msgrcv (first, - (struct msgbuf *) ptr, + return sys_msgrcv (first, ptr, second, fifth, third); } case MSGGET: return sys_msgget ((key_t) first, second); case MSGCTL: - return sys_msgctl (first, second, - (struct msqid_ds *) ptr); + return sys_msgctl (first, second, ptr); default: return -ENOSYS; } @@ -240,20 +236,18 @@ asmlinkage int sys_ipc (uint call, int first, int second, switch (version) { default: { ulong raddr; - ret = do_shmat (first, (char *) ptr, - second, &raddr); + ret = do_shmat (first, ptr, second, &raddr); if (ret) return ret; - return put_user (raddr, (ulong *) third); + return put_user (raddr, (ulong __user *) third); } } case SHMDT: - return sys_shmdt ((char *)ptr); + return sys_shmdt (ptr); case SHMGET: return sys_shmget (first, second, third); case SHMCTL: - return sys_shmctl (first, second, - (struct shmid_ds *) ptr); + return sys_shmctl (first, second, ptr); default: return -ENOSYS; } diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index deb36e8b04a..cdf58fbb3e7 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -169,25 +169,25 @@ void __init trap_init (void) if (CPU_IS_060 && !FPU_IS_EMU) { /* set up IFPSP entry points */ - asmlinkage void snan_vec(void) asm ("_060_fpsp_snan"); - asmlinkage void operr_vec(void) asm ("_060_fpsp_operr"); - asmlinkage void ovfl_vec(void) asm ("_060_fpsp_ovfl"); - asmlinkage void unfl_vec(void) asm ("_060_fpsp_unfl"); - asmlinkage void dz_vec(void) asm ("_060_fpsp_dz"); - asmlinkage void inex_vec(void) asm ("_060_fpsp_inex"); - asmlinkage void fline_vec(void) asm ("_060_fpsp_fline"); - asmlinkage void unsupp_vec(void) asm ("_060_fpsp_unsupp"); - asmlinkage void effadd_vec(void) asm ("_060_fpsp_effadd"); - - vectors[VEC_FPNAN] = snan_vec; - vectors[VEC_FPOE] = operr_vec; - vectors[VEC_FPOVER] = ovfl_vec; - vectors[VEC_FPUNDER] = unfl_vec; - vectors[VEC_FPDIVZ] = dz_vec; - vectors[VEC_FPIR] = inex_vec; - vectors[VEC_LINE11] = fline_vec; - vectors[VEC_FPUNSUP] = unsupp_vec; - vectors[VEC_UNIMPEA] = effadd_vec; + asmlinkage void snan_vec6(void) asm ("_060_fpsp_snan"); + asmlinkage void operr_vec6(void) asm ("_060_fpsp_operr"); + asmlinkage void ovfl_vec6(void) asm ("_060_fpsp_ovfl"); + asmlinkage void unfl_vec6(void) asm ("_060_fpsp_unfl"); + asmlinkage void dz_vec6(void) asm ("_060_fpsp_dz"); + asmlinkage void inex_vec6(void) asm ("_060_fpsp_inex"); + asmlinkage void fline_vec6(void) asm ("_060_fpsp_fline"); + asmlinkage void unsupp_vec6(void) asm ("_060_fpsp_unsupp"); + asmlinkage void effadd_vec6(void) asm ("_060_fpsp_effadd"); + + vectors[VEC_FPNAN] = snan_vec6; + vectors[VEC_FPOE] = operr_vec6; + vectors[VEC_FPOVER] = ovfl_vec6; + vectors[VEC_FPUNDER] = unfl_vec6; + vectors[VEC_FPDIVZ] = dz_vec6; + vectors[VEC_FPIR] = inex_vec6; + vectors[VEC_LINE11] = fline_vec6; + vectors[VEC_FPUNSUP] = unsupp_vec6; + vectors[VEC_UNIMPEA] = effadd_vec6; } /* if running on an amiga, make the NMI interrupt do nothing */ diff --git a/arch/m68k/kernel/vmlinux-std.lds b/arch/m68k/kernel/vmlinux-std.lds index e58654f3f8d..69d1d3d30c7 100644 --- a/arch/m68k/kernel/vmlinux-std.lds +++ b/arch/m68k/kernel/vmlinux-std.lds @@ -13,6 +13,7 @@ SECTIONS .text : { *(.text) SCHED_TEXT + LOCK_TEXT *(.fixup) *(.gnu.warning) } :text = 0x4e75 diff --git a/arch/m68k/kernel/vmlinux-sun3.lds b/arch/m68k/kernel/vmlinux-sun3.lds index cc37e8d3c1e..65cc39c2418 100644 --- a/arch/m68k/kernel/vmlinux-sun3.lds +++ b/arch/m68k/kernel/vmlinux-sun3.lds @@ -14,6 +14,7 @@ SECTIONS *(.head) *(.text) SCHED_TEXT + LOCK_TEXT *(.fixup) *(.gnu.warning) } :text = 0x4e75 @@ -66,7 +67,7 @@ __init_begin = .; __initramfs_end = .; . = ALIGN(8192); __init_end = .; - .init.task : { *(init_task) } + .data.init.task : { *(.data.init_task) } .bss : { *(.bss) } /* BSS */ |