powerpc: Merge syscalls.c and sys_ppc32.c.

Signed-off-by: Paul Mackerras <paulus@samba.org>

2 files changed, 1 insertions, 270 deletions

diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile
index 7d16b1f7cd31..87d3be4af820 100644
--- a/arch/ppc/kernel/Makefile
+++ b/arch/ppc/kernel/Makefile
@@ -38,8 +38,7 @@ endif
 
 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
diff --git a/arch/ppc/kernel/syscalls.c b/arch/ppc/kernel/syscalls.c
deleted file mode 100644
index 127f040de9de..000000000000
--- a/arch/ppc/kernel/syscalls.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
- * 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(&current->mm->mmap_sem);
-	ret = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
-	up_write(&current->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);
-}