diff options
Diffstat (limited to 'arch/m68knommu')
-rw-r--r-- | arch/m68knommu/Makefile | 2 | ||||
-rw-r--r-- | arch/m68knommu/kernel/dma.c | 1 | ||||
-rw-r--r-- | arch/m68knommu/kernel/entry.S | 2 | ||||
-rw-r--r-- | arch/m68knommu/kernel/process.c | 6 | ||||
-rw-r--r-- | arch/m68knommu/kernel/ptrace.c | 79 | ||||
-rw-r--r-- | arch/m68knommu/kernel/sys_m68k.c | 172 | ||||
-rw-r--r-- | arch/m68knommu/kernel/syscalltable.S | 8 | ||||
-rw-r--r-- | arch/m68knommu/mm/init.c | 2 | ||||
-rw-r--r-- | arch/m68knommu/mm/kmap.c | 1 | ||||
-rw-r--r-- | arch/m68knommu/mm/memory.c | 2 | ||||
-rw-r--r-- | arch/m68knommu/platform/68360/ints.c | 1 | ||||
-rw-r--r-- | arch/m68knommu/platform/coldfire/pit.c | 1 |
12 files changed, 57 insertions, 220 deletions
diff --git a/arch/m68knommu/Makefile b/arch/m68knommu/Makefile index ce404bc9ccb..14042574ac2 100644 --- a/arch/m68knommu/Makefile +++ b/arch/m68knommu/Makefile @@ -94,7 +94,7 @@ 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) := $(call cc-option,-mcpu=5271,-m5200) +cflags-$(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) diff --git a/arch/m68knommu/kernel/dma.c b/arch/m68knommu/kernel/dma.c index aaf38bbbb6c..fc61541aeb7 100644 --- a/arch/m68knommu/kernel/dma.c +++ b/arch/m68knommu/kernel/dma.c @@ -6,6 +6,7 @@ */ #include <linux/types.h> +#include <linux/gfp.h> #include <linux/mm.h> #include <linux/device.h> #include <linux/dma-mapping.h> diff --git a/arch/m68knommu/kernel/entry.S b/arch/m68knommu/kernel/entry.S index 56043ade394..aff6f57ef8b 100644 --- a/arch/m68knommu/kernel/entry.S +++ b/arch/m68knommu/kernel/entry.S @@ -145,6 +145,6 @@ ENTRY(ret_from_user_signal) trap #0 ENTRY(ret_from_user_rt_signal) - move #__NR_rt_sigreturn,%d0 + movel #__NR_rt_sigreturn,%d0 trap #0 diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c index 5c9ecd42709..6aa66134b43 100644 --- a/arch/m68knommu/kernel/process.c +++ b/arch/m68knommu/kernel/process.c @@ -23,11 +23,11 @@ #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <linux/user.h> #include <linux/interrupt.h> #include <linux/reboot.h> #include <linux/fs.h> +#include <linux/slab.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -221,6 +221,10 @@ int copy_thread(unsigned long clone_flags, p->thread.usp = usp; p->thread.ksp = (unsigned long)childstack; + + if (clone_flags & CLONE_SETTLS) + task_thread_info(p)->tp_value = regs->d5; + /* * Must save the current SFC/DFC value, NOT the value when * the parent was last descheduled - RGH 10-08-96 diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c index 4d3828959fb..f6be1248d21 100644 --- a/arch/m68knommu/kernel/ptrace.c +++ b/arch/m68knommu/kernel/ptrace.c @@ -116,12 +116,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int ret; switch (request) { - /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: - ret = generic_ptrace_peekdata(child, addr, data); - break; - /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { unsigned long tmp; @@ -160,12 +154,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - /* when I and D space are separate, this will have to be fixed. */ - case PTRACE_POKETEXT: /* write the word at location addr. */ - case PTRACE_POKEDATA: - ret = generic_ptrace_pokedata(child, addr, data); - break; - case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ ret = -EIO; if ((addr & 3) || addr < 0 || @@ -202,66 +190,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } break; - case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: { /* restart after signal. */ - long tmp; - - ret = -EIO; - if (!valid_signal(data)) - break; - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - child->exit_code = data; - /* make sure the single step bit is not set. */ - tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16); - put_reg(child, PT_SR, tmp); - wake_up_process(child); - ret = 0; - break; - } - - /* - * make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to - * exit. - */ - case PTRACE_KILL: { - long tmp; - - ret = 0; - if (child->exit_state == EXIT_ZOMBIE) /* already dead */ - break; - child->exit_code = SIGKILL; - /* make sure the single step bit is not set. */ - tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16); - put_reg(child, PT_SR, tmp); - wake_up_process(child); - break; - } - - case PTRACE_SINGLESTEP: { /* set the trap flag. */ - long tmp; - - ret = -EIO; - if (!valid_signal(data)) - break; - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - tmp = get_reg(child, PT_SR) | (TRACE_BITS << 16); - put_reg(child, PT_SR, tmp); - - child->exit_code = data; - /* give it a chance to run. */ - wake_up_process(child); - ret = 0; - break; - } - - case PTRACE_DETACH: /* detach a process that was attached. */ - ret = ptrace_detach(child, data); - break; - case PTRACE_GETREGS: { /* Get all gp regs from the child. */ int i; unsigned long tmp; @@ -319,8 +247,13 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } #endif + case PTRACE_GET_THREAD_AREA: + ret = put_user(task_thread_info(child)->tp_value, + (unsigned long __user *)data); + break; + default: - ret = -EIO; + ret = ptrace_request(child, request, addr, data); break; } return ret; diff --git a/arch/m68knommu/kernel/sys_m68k.c b/arch/m68knommu/kernel/sys_m68k.c index b67cbc735a9..d65e9c4c930 100644 --- a/arch/m68knommu/kernel/sys_m68k.c +++ b/arch/m68knommu/kernel/sys_m68k.c @@ -27,142 +27,6 @@ #include <asm/cacheflush.h> #include <asm/unistd.h> -/* - * Perform the select(nd, in, out, ex, tv) and mmap() system - * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to - * handle more than 4 system call parameters, so these system calls - * used a memory block for parameter passing.. - */ - -struct mmap_arg_struct { - unsigned long addr; - unsigned long len; - unsigned long prot; - unsigned long flags; - unsigned long fd; - unsigned long offset; -}; - -asmlinkage int old_mmap(struct mmap_arg_struct *arg) -{ - struct mmap_arg_struct a; - int error = -EFAULT; - - if (copy_from_user(&a, arg, sizeof(a))) - goto out; - - error = -EINVAL; - if (a.offset & ~PAGE_MASK) - goto out; - - error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, - a.offset >> PAGE_SHIFT); -out: - return error; -} - -struct sel_arg_struct { - unsigned long n; - fd_set *inp, *outp, *exp; - struct timeval *tvp; -}; - -asmlinkage int old_select(struct sel_arg_struct *arg) -{ - struct sel_arg_struct a; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - /* sys_select() does the appropriate kernel locking */ - return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); -} - -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls.. - * - * This is really horribly ugly. - */ -asmlinkage int sys_ipc (uint call, int first, int second, - int third, void *ptr, long fifth) -{ - int version, ret; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - if (call <= SEMCTL) - switch (call) { - case SEMOP: - return sys_semop (first, (struct sembuf *)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)) - return -EFAULT; - return sys_semctl (first, second, third, fourth); - } - default: - return -EINVAL; - } - if (call <= MSGCTL) - switch (call) { - case MSGSND: - return sys_msgsnd (first, (struct msgbuf *) 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))) - return -EFAULT; - return sys_msgrcv (first, tmp.msgp, second, - tmp.msgtyp, third); - } - default: - return sys_msgrcv (first, - (struct msgbuf *) ptr, - second, fifth, third); - } - case MSGGET: - return sys_msgget ((key_t) first, second); - case MSGCTL: - return sys_msgctl (first, second, - (struct msqid_ds *) ptr); - default: - return -EINVAL; - } - if (call <= SHMCTL) - switch (call) { - case SHMAT: - switch (version) { - default: { - ulong raddr; - ret = do_shmat (first, ptr, second, &raddr); - if (ret) - return ret; - return put_user (raddr, (ulong __user *) third); - } - } - case SHMDT: - return sys_shmdt (ptr); - case SHMGET: - return sys_shmget (first, second, third); - case SHMCTL: - return sys_shmctl (first, second, ptr); - default: - return -ENOSYS; - } - - return -EINVAL; -} - /* sys_cacheflush -- flush (part of) the processor cache. */ asmlinkage int sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len) @@ -190,3 +54,39 @@ int kernel_execve(const char *filename, char *const argv[], char *const envp[]) : "d" (__a), "d" (__b), "d" (__c)); return __res; } + +asmlinkage unsigned long sys_get_thread_area(void) +{ + return current_thread_info()->tp_value; +} + +asmlinkage int sys_set_thread_area(unsigned long tp) +{ + current_thread_info()->tp_value = tp; + return 0; +} + +/* This syscall gets its arguments in A0 (mem), D2 (oldval) and + D1 (newval). */ +asmlinkage int +sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5, + unsigned long __user * mem) +{ + struct mm_struct *mm = current->mm; + unsigned long mem_value; + + down_read(&mm->mmap_sem); + + mem_value = *mem; + if (mem_value == oldval) + *mem = newval; + + up_read(&mm->mmap_sem); + return mem_value; +} + +asmlinkage int sys_atomic_barrier(void) +{ + /* no code needed for uniprocs */ + return 0; +} diff --git a/arch/m68knommu/kernel/syscalltable.S b/arch/m68knommu/kernel/syscalltable.S index 486837efa3d..b30b3eb197a 100644 --- a/arch/m68knommu/kernel/syscalltable.S +++ b/arch/m68knommu/kernel/syscalltable.S @@ -100,7 +100,7 @@ ENTRY(sys_call_table) .long sys_settimeofday .long sys_getgroups16 /* 80 */ .long sys_setgroups16 - .long old_select + .long sys_old_select .long sys_symlink .long sys_lstat .long sys_readlink /* 85 */ @@ -108,7 +108,7 @@ ENTRY(sys_call_table) .long sys_ni_syscall /* sys_swapon */ .long sys_reboot .long sys_old_readdir - .long old_mmap /* 90 */ + .long sys_old_mmap /* 90 */ .long sys_munmap .long sys_truncate .long sys_ftruncate @@ -351,6 +351,10 @@ ENTRY(sys_call_table) .long sys_pwritev /* 330 */ .long sys_rt_tgsigqueueinfo .long sys_perf_event_open + .long sys_get_thread_area + .long sys_set_thread_area + .long sys_atomic_cmpxchg_32 /* 335 */ + .long sys_atomic_barrier .rept NR_syscalls-(.-sys_call_table)/4 .long sys_ni_syscall diff --git a/arch/m68knommu/mm/init.c b/arch/m68knommu/mm/init.c index f3236d0b522..8a6653f56bd 100644 --- a/arch/m68knommu/mm/init.c +++ b/arch/m68knommu/mm/init.c @@ -29,7 +29,7 @@ #include <linux/highmem.h> #include <linux/pagemap.h> #include <linux/bootmem.h> -#include <linux/slab.h> +#include <linux/gfp.h> #include <asm/setup.h> #include <asm/segment.h> diff --git a/arch/m68knommu/mm/kmap.c b/arch/m68knommu/mm/kmap.c index bc32f38843f..902c1dfda9e 100644 --- a/arch/m68knommu/mm/kmap.c +++ b/arch/m68knommu/mm/kmap.c @@ -9,7 +9,6 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/types.h> -#include <linux/slab.h> #include <linux/vmalloc.h> #include <asm/setup.h> diff --git a/arch/m68knommu/mm/memory.c b/arch/m68knommu/mm/memory.c index f93b88b51f9..8f7949e786d 100644 --- a/arch/m68knommu/mm/memory.c +++ b/arch/m68knommu/mm/memory.c @@ -15,7 +15,6 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/types.h> -#include <linux/slab.h> #include <asm/segment.h> #include <asm/page.h> @@ -24,7 +23,6 @@ /* * Map some physical address range into the kernel address space. - * The code is copied and adapted from map_chunk(). */ unsigned long kernel_map(unsigned long paddr, unsigned long size, diff --git a/arch/m68knommu/platform/68360/ints.c b/arch/m68knommu/platform/68360/ints.c index 1143f77caca..6f22970d8c2 100644 --- a/arch/m68knommu/platform/68360/ints.c +++ b/arch/m68knommu/platform/68360/ints.c @@ -107,7 +107,6 @@ void init_IRQ(void) _ramvec[vba+CPMVEC_PIO_PC7] = inthandler; /* pio - pc7 */ _ramvec[vba+CPMVEC_PIO_PC6] = inthandler; /* pio - pc6 */ _ramvec[vba+CPMVEC_TIMER3] = inthandler; /* timer 3 */ - _ramvec[vba+CPMVEC_RISCTIMER] = inthandler; /* reserved */ _ramvec[vba+CPMVEC_PIO_PC5] = inthandler; /* pio - pc5 */ _ramvec[vba+CPMVEC_PIO_PC4] = inthandler; /* pio - pc4 */ _ramvec[vba+CPMVEC_RESERVED2] = inthandler; /* reserved */ diff --git a/arch/m68knommu/platform/coldfire/pit.c b/arch/m68knommu/platform/coldfire/pit.c index d8720ee3451..aebea19abd7 100644 --- a/arch/m68knommu/platform/coldfire/pit.c +++ b/arch/m68knommu/platform/coldfire/pit.c @@ -146,7 +146,6 @@ static struct clocksource pit_clk = { .read = pit_read_clk, .shift = 20, .mask = CLOCKSOURCE_MASK(32), - .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; /***************************************************************************/ |