endif
obj-y := semaphore.o cputable.o ptrace.o
-obj-$(CONFIG_PPC64) += binfmt_elf32.o
+obj-$(CONFIG_PPC64) += binfmt_elf32.o sys_ppc32.o
obj-$(CONFIG_ALTIVEC) += vecemu.o vector.o
obj-$(CONFIG_POWER4) += idle_power4.o
obj-$(CONFIG_PPC_OF) += of_device.o
extra-y += vmlinux.lds
obj-y += process.o init_task.o \
- prom.o systbl.o traps.o
+ prom.o systbl.o traps.o syscalls.o
obj-$(CONFIG_PPC32) += entry_32.o setup_32.o misc_32.o
obj-$(CONFIG_PPC64) += setup_64.o misc_64.o
obj-$(CONFIG_PPC_OF) += prom_init.o
else
# stuff used from here for ARCH=ppc or ARCH=ppc64
-obj-$(CONFIG_PPC64) += traps.o process.o init_task.o
+obj-$(CONFIG_PPC64) += traps.o process.o init_task.o syscalls.o
fpux-$(CONFIG_PPC32) += fpu.o
extra-$(CONFIG_PPC_FPU) += $(fpux-y)
}
#endif
-asmlinkage int sys32_uname(struct old_utsname __user * name)
-{
- int err = 0;
-
- down_read(&uts_sem);
- if (copy_to_user(name, &system_utsname, sizeof(*name)))
- err = -EFAULT;
- up_read(&uts_sem);
- if (!err && personality(current->personality) == PER_LINUX32) {
- /* change "ppc64" to "ppc" */
- if (__put_user(0, name->machine + 3)
- || __put_user(0, name->machine + 4))
- err = -EFAULT;
- }
- return err;
-}
-
-asmlinkage int sys32_olduname(struct oldold_utsname __user * name)
-{
- int error;
-
- if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
- return -EFAULT;
-
- down_read(&uts_sem);
- error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
- error |= __put_user(0,name->sysname+__OLD_UTS_LEN);
- error |= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
- error |= __put_user(0,name->nodename+__OLD_UTS_LEN);
- error |= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
- error |= __put_user(0,name->release+__OLD_UTS_LEN);
- error |= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
- error |= __put_user(0,name->version+__OLD_UTS_LEN);
- error |= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
- error |= __put_user(0,name->machine+__OLD_UTS_LEN);
- if (personality(current->personality) == PER_LINUX32) {
- /* change "ppc64" to "ppc" */
- error |= __put_user(0, name->machine + 3);
- error |= __put_user(0, name->machine + 4);
- }
-
- up_read(&uts_sem);
-
- error = error ? -EFAULT : 0;
-
- return error;
-}
-
unsigned long sys32_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
/*
- * linux/arch/ppc64/kernel/sys_ppc.c
+ * Implementation of various system calls for Linux/PowerPC
*
- * PowerPC version
* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
*
* Derived from "arch/i386/kernel/sys_i386.c"
*
* This is really horribly ugly.
*/
-asmlinkage int
-sys_ipc (uint call, int first, unsigned long second, long third,
- void __user *ptr, long fifth)
+int sys_ipc(uint call, int first, unsigned long second, long third,
+ void __user *ptr, long fifth)
{
int version, ret;
}
case MSGSND:
ret = sys_msgsnd(first, (struct msgbuf __user *)ptr,
- (size_t)second, third);
+ (size_t)second, third);
break;
case MSGRCV:
switch (version) {
}
break;
case MSGGET:
- ret = sys_msgget ((key_t)first, (int)second);
+ ret = sys_msgget((key_t)first, (int)second);
break;
case MSGCTL:
ret = sys_msgctl(first, (int)second,
(struct msqid_ds __user *)ptr);
break;
- case SHMAT:
- switch (version) {
- default: {
- ulong raddr;
- ret = do_shmat(first, (char __user *) ptr,
- (int)second, &raddr);
- if (ret)
- break;
- ret = put_user (raddr, (ulong __user *) third);
- break;
- }
- case 1: /* iBCS2 emulator entry point */
- ret = -EINVAL;
- if (!segment_eq(get_fs(), get_ds()))
- break;
- ret = do_shmat(first, (char __user *)ptr,
- (int)second, (ulong *)third);
+ case SHMAT: {
+ ulong raddr;
+ ret = do_shmat(first, (char __user *)ptr, (int)second, &raddr);
+ if (ret)
break;
- }
+ ret = put_user(raddr, (ulong __user *) third);
break;
- case SHMDT:
- ret = sys_shmdt ((char __user *)ptr);
+ }
+ case SHMDT:
+ ret = sys_shmdt((char __user *)ptr);
break;
case SHMGET:
- ret = sys_shmget (first, (size_t)second, third);
+ ret = sys_shmget(first, (size_t)second, third);
break;
case SHMCTL:
ret = sys_shmctl(first, (int)second,
- (struct shmid_ds __user *)ptr);
+ (struct shmid_ds __user *)ptr);
break;
}
* 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(int __user *fildes)
+int sys_pipe(int __user *fildes)
{
int fd[2];
int error;
-
+
error = do_pipe(fd);
if (!error) {
if (copy_to_user(fildes, fd, 2*sizeof(int)))
error = -EFAULT;
}
-
return error;
}
-unsigned long sys_mmap(unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, off_t offset)
+static inline unsigned long do_mmap2(unsigned long addr, size_t len,
+ unsigned long prot, unsigned long flags,
+ unsigned long fd, unsigned long off, int shift)
{
struct file * file = NULL;
- unsigned long ret = -EBADF;
+ int ret = -EINVAL;
+ if (shift) {
+ if (off & ((1 << shift) - 1))
+ goto out;
+ off >>= shift;
+ }
+
+ ret = -EBADF;
if (!(flags & MAP_ANONYMOUS)) {
if (!(file = fget(fd)))
goto out;
}
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+
down_write(¤t->mm->mmap_sem);
- ret = do_mmap(file, addr, len, prot, flags, offset);
+ ret = do_mmap_pgoff(file, addr, len, prot, flags, off);
up_write(¤t->mm->mmap_sem);
if (file)
fput(file);
-
out:
return ret;
}
+unsigned long sys_mmap2(unsigned long addr, size_t len,
+ unsigned long prot, unsigned long flags,
+ unsigned long fd, unsigned long pgoff)
+{
+ return do_mmap2(addr, len, prot, flags, fd, pgoff, PAGE_SHIFT-12);
+}
+
+unsigned long sys_mmap(unsigned long addr, size_t len,
+ unsigned long prot, unsigned long flags,
+ unsigned long fd, off_t offset)
+{
+ return do_mmap2(addr, len, prot, flags, fd, offset, PAGE_SHIFT);
+}
+
+#ifdef CONFIG_PPC32
+/*
+ * Due to some executables calling the wrong select we sometimes
+ * get wrong args. This determines how the args are being passed
+ * (a single ptr to them all args passed) then calls
+ * sys_select() with the appropriate args. -- Cort
+ */
+int
+ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp)
+{
+ if ( (unsigned long)n >= 4096 )
+ {
+ unsigned long __user *buffer = (unsigned long __user *)n;
+ if (!access_ok(VERIFY_READ, buffer, 5*sizeof(unsigned long))
+ || __get_user(n, buffer)
+ || __get_user(inp, ((fd_set __user * __user *)(buffer+1)))
+ || __get_user(outp, ((fd_set __user * __user *)(buffer+2)))
+ || __get_user(exp, ((fd_set __user * __user *)(buffer+3)))
+ || __get_user(tvp, ((struct timeval __user * __user *)(buffer+4))))
+ return -EFAULT;
+ }
+ return sys_select(n, inp, outp, exp, tvp);
+}
+#endif
+
+#ifdef CONFIG_PPC64
long ppc64_personality(unsigned long personality)
{
long ret;
ret = PER_LINUX;
return ret;
}
+#endif
+
+#ifdef CONFIG_PPC64
+#define OVERRIDE_MACHINE (personality(current->personality) == PER_LINUX32)
+#else
+#define OVERRIDE_MACHINE 0
+#endif
-long ppc64_newuname(struct new_utsname __user * name)
+static inline int override_machine(char *mach)
+{
+ if (OVERRIDE_MACHINE) {
+ /* change ppc64 to ppc */
+ if (__put_user(0, mach+3) || __put_user(0, mach+4))
+ return -EFAULT;
+ }
+ return 0;
+}
+
+long ppc_newuname(struct new_utsname __user * name)
{
int err = 0;
if (copy_to_user(name, &system_utsname, sizeof(*name)))
err = -EFAULT;
up_read(&uts_sem);
- if (!err && personality(current->personality) == PER_LINUX32) {
- /* change ppc64 to ppc */
- if (__put_user(0, name->machine + 3)
- || __put_user(0, name->machine + 4))
- err = -EFAULT;
- }
+ if (!err)
+ err = override_machine(name->machine);
return err;
}
-asmlinkage time_t sys64_time(time_t __user * tloc)
+int sys_uname(struct old_utsname __user *name)
+{
+ int err = 0;
+
+ down_read(&uts_sem);
+ if (copy_to_user(name, &system_utsname, sizeof(*name)))
+ err = -EFAULT;
+ up_read(&uts_sem);
+ if (!err)
+ err = override_machine(name->machine);
+ return err;
+}
+
+int sys_olduname(struct oldold_utsname __user *name)
+{
+ int error;
+
+ if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
+ return -EFAULT;
+
+ down_read(&uts_sem);
+ error = __copy_to_user(&name->sysname, &system_utsname.sysname,
+ __OLD_UTS_LEN);
+ error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
+ error |= __copy_to_user(&name->nodename, &system_utsname.nodename,
+ __OLD_UTS_LEN);
+ error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
+ error |= __copy_to_user(&name->release, &system_utsname.release,
+ __OLD_UTS_LEN);
+ error |= __put_user(0, name->release + __OLD_UTS_LEN);
+ error |= __copy_to_user(&name->version, &system_utsname.version,
+ __OLD_UTS_LEN);
+ error |= __put_user(0, name->version + __OLD_UTS_LEN);
+ error |= __copy_to_user(&name->machine, &system_utsname.machine,
+ __OLD_UTS_LEN);
+ error |= override_machine(name->machine);
+ up_read(&uts_sem);
+
+ return error? -EFAULT: 0;
+}
+
+#ifdef CONFIG_PPC64
+time_t sys64_time(time_t __user * tloc)
{
time_t secs;
time_t usecs;
return secs;
}
+#endif
void do_show_syscall(unsigned long r3, unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7, unsigned long r8,
SYSCALL(ni_syscall)
SYSCALL32(setpgid)
SYSCALL(ni_syscall)
-SYS32ONLY(olduname)
+SYSX(sys_ni_syscall,sys_olduname, sys_olduname)
SYSCALL32(umask)
SYSCALL(chroot)
SYSCALL(ustat)
COMPAT_SYS(newstat)
COMPAT_SYS(newlstat)
COMPAT_SYS(newfstat)
-SYSX(sys_ni_syscall,sys32_uname,sys_uname)
+SYSX(sys_ni_syscall,sys_uname,sys_uname)
SYSCALL(ni_syscall)
SYSCALL(vhangup)
SYSCALL(ni_syscall)
SYSX(sys_ni_syscall,ppc32_sigreturn,sys_sigreturn)
PPC_SYS(clone)
SYSCALL32(setdomainname)
-SYSX(ppc64_newuname,ppc64_newuname,sys_newuname)
+PPC_SYS(newuname)
SYSCALL(ni_syscall)
SYSCALL32(adjtimex)
SYSCALL(mprotect)
else
obj-y := irq.o idle.o time.o \
- signal.o align.o \
- syscalls.o perfmon.o
+ signal.o align.o perfmon.o
obj-$(CONFIG_6xx) += l2cr.o cpu_setup_6xx.o
obj-$(CONFIG_SOFTWARE_SUSPEND) += swsusp.o
obj-$(CONFIG_MODULES) += module.o
+++ /dev/null
-/*
- * arch/ppc/kernel/sys_ppc.c
- *
- * PowerPC version
- * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- * Derived from "arch/i386/kernel/sys_i386.c"
- * Adapted from the i386 version by Gary Thomas
- * Modified by Cort Dougan (cort@cs.nmt.edu)
- * and Paul Mackerras (paulus@cs.anu.edu.au).
- *
- * This file contains various random system calls that
- * have a non-standard calling sequence on the Linux/PPC
- * platform.
- *
- * 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/errno.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/sem.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/stat.h>
-#include <linux/syscalls.h>
-#include <linux/mman.h>
-#include <linux/sys.h>
-#include <linux/ipc.h>
-#include <linux/utsname.h>
-#include <linux/file.h>
-#include <linux/unistd.h>
-
-#include <asm/uaccess.h>
-#include <asm/ipc.h>
-#include <asm/semaphore.h>
-
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-int
-sys_ipc (uint call, int first, int second, int third, void __user *ptr, long fifth)
-{
- int version, ret;
-
- version = call >> 16; /* hack for backward compatibility */
- call &= 0xffff;
-
- ret = -ENOSYS;
- switch (call) {
- case SEMOP:
- ret = sys_semtimedop (first, (struct sembuf __user *)ptr,
- second, NULL);
- break;
- case SEMTIMEDOP:
- ret = sys_semtimedop (first, (struct sembuf __user *)ptr,
- second, (const struct timespec __user *) fifth);
- break;
- case SEMGET:
- ret = sys_semget (first, second, third);
- break;
- case SEMCTL: {
- union semun fourth;
-
- if (!ptr)
- break;
- if ((ret = access_ok(VERIFY_READ, ptr, sizeof(long)) ? 0 : -EFAULT)
- || (ret = get_user(fourth.__pad, (void __user *__user *)ptr)))
- break;
- ret = sys_semctl (first, second, third, fourth);
- break;
- }
- case MSGSND:
- ret = sys_msgsnd (first, (struct msgbuf __user *) ptr, second, third);
- break;
- case MSGRCV:
- switch (version) {
- case 0: {
- struct ipc_kludge tmp;
-
- if (!ptr)
- break;
- if ((ret = access_ok(VERIFY_READ, ptr, sizeof(tmp)) ? 0 : -EFAULT)
- || (ret = copy_from_user(&tmp,
- (struct ipc_kludge __user *) ptr,
- sizeof (tmp)) ? -EFAULT : 0))
- break;
- ret = sys_msgrcv (first, tmp.msgp, second, tmp.msgtyp,
- third);
- break;
- }
- default:
- ret = sys_msgrcv (first, (struct msgbuf __user *) ptr,
- second, fifth, third);
- break;
- }
- break;
- case MSGGET:
- ret = sys_msgget ((key_t) first, second);
- break;
- case MSGCTL:
- ret = sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
- break;
- case SHMAT: {
- ulong raddr;
-
- if ((ret = access_ok(VERIFY_WRITE, (ulong __user *) third,
- sizeof(ulong)) ? 0 : -EFAULT))
- break;
- ret = do_shmat (first, (char __user *) ptr, second, &raddr);
- if (ret)
- break;
- ret = put_user (raddr, (ulong __user *) third);
- break;
- }
- case SHMDT:
- ret = sys_shmdt ((char __user *)ptr);
- break;
- case SHMGET:
- ret = sys_shmget (first, second, third);
- break;
- case SHMCTL:
- ret = sys_shmctl (first, second, (struct shmid_ds __user *) ptr);
- break;
- }
-
- return ret;
-}
-
-/*
- * sys_pipe() is the normal C calling standard for creating
- * a pipe. It's not the way unix traditionally does this, though.
- */
-int sys_pipe(int __user *fildes)
-{
- int fd[2];
- int error;
-
- error = do_pipe(fd);
- if (!error) {
- if (copy_to_user(fildes, fd, 2*sizeof(int)))
- error = -EFAULT;
- }
- return error;
-}
-
-static inline unsigned long
-do_mmap2(unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff)
-{
- struct file * file = NULL;
- int ret = -EBADF;
-
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- if (!(flags & MAP_ANONYMOUS)) {
- if (!(file = fget(fd)))
- goto out;
- }
-
- down_write(¤t->mm->mmap_sem);
- ret = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
- up_write(¤t->mm->mmap_sem);
- if (file)
- fput(file);
-out:
- return ret;
-}
-
-unsigned long sys_mmap2(unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff)
-{
- return do_mmap2(addr, len, prot, flags, fd, pgoff);
-}
-
-unsigned long sys_mmap(unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, off_t offset)
-{
- int err = -EINVAL;
-
- if (offset & ~PAGE_MASK)
- goto out;
-
- err = do_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
-out:
- return err;
-}
-
-/*
- * Due to some executables calling the wrong select we sometimes
- * get wrong args. This determines how the args are being passed
- * (a single ptr to them all args passed) then calls
- * sys_select() with the appropriate args. -- Cort
- */
-int
-ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp)
-{
- if ( (unsigned long)n >= 4096 )
- {
- unsigned long __user *buffer = (unsigned long __user *)n;
- if (!access_ok(VERIFY_READ, buffer, 5*sizeof(unsigned long))
- || __get_user(n, buffer)
- || __get_user(inp, ((fd_set __user * __user *)(buffer+1)))
- || __get_user(outp, ((fd_set __user * __user *)(buffer+2)))
- || __get_user(exp, ((fd_set __user * __user *)(buffer+3)))
- || __get_user(tvp, ((struct timeval __user * __user *)(buffer+4))))
- return -EFAULT;
- }
- return sys_select(n, inp, outp, exp, tvp);
-}
-
-int sys_uname(struct old_utsname __user * name)
-{
- int err = -EFAULT;
-
- down_read(&uts_sem);
- if (name && !copy_to_user(name, &system_utsname, sizeof (*name)))
- err = 0;
- up_read(&uts_sem);
- return err;
-}
-
-int sys_olduname(struct oldold_utsname __user * name)
-{
- int error;
-
- if (!name)
- return -EFAULT;
- if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
- return -EFAULT;
-
- down_read(&uts_sem);
- error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
- error -= __put_user(0,name->sysname+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
- error -= __put_user(0,name->nodename+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
- error -= __put_user(0,name->release+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
- error -= __put_user(0,name->version+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
- error = __put_user(0,name->machine+__OLD_UTS_LEN);
- up_read(&uts_sem);
-
- error = error ? -EFAULT : 0;
- return error;
-}
-
-/*
- * We put the arguments in a different order so we only use 6
- * registers for arguments, rather than 7 as sys_fadvise64_64 needs
- * (because `offset' goes in r5/r6).
- */
-long ppc_fadvise64_64(int fd, int advice, loff_t offset, loff_t len)
-{
- return sys_fadvise64_64(fd, offset, len, advice);
-}
endif
obj-y += irq.o idle.o dma.o \
- time.o signal.o syscalls.o \
+ time.o signal.o \
align.o bitops.o pacaData.o \
- udbg.o sys_ppc32.o ioctl32.o \
+ udbg.o ioctl32.o \
ptrace32.o signal32.o rtc.o \
cpu_setup_power4.o \
iommu.o sysfs.o vdso.o pmc.o firmware.o
.llong .sys_ni_syscall /* old mpx syscall */
.llong .sys32_setpgid
.llong .sys_ni_syscall /* old ulimit syscall */
- .llong .sys32_olduname
+ .llong .sys_olduname
.llong .sys32_umask /* 60 */
.llong .sys_chroot
.llong .sys_ustat
.llong .compat_sys_newstat
.llong .compat_sys_newlstat
.llong .compat_sys_newfstat
- .llong .sys32_uname
+ .llong .sys_uname
.llong .sys_ni_syscall /* 110 old iopl syscall */
.llong .sys_vhangup
.llong .sys_ni_syscall /* old idle syscall */
.llong .ppc32_sigreturn
.llong .ppc_clone /* 120 */
.llong .sys32_setdomainname
- .llong .ppc64_newuname
+ .llong .ppc_newuname
.llong .sys_ni_syscall /* old modify_ldt syscall */
.llong .sys32_adjtimex
.llong .sys_mprotect /* 125 */
.llong .sys_ni_syscall
.llong .ppc_clone /* 120 */
.llong .sys_setdomainname
- .llong .ppc64_newuname
+ .llong .ppc_newuname
.llong .sys_ni_syscall /* old modify_ldt syscall */
.llong .sys_adjtimex
.llong .sys_mprotect /* 125 */
projects / linux-beck.git / commitdiff