iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

NPTL, round one.

Browse Source 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2005-04-13 17:43:59 +00:00
parent 38551576a3
commit 3c37026d43
14 changed files with 129 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
arch/mips/kernel/syscall.c
View File

@ -7,6 +7,7 @@
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
* Copyright (C) 2001 MIPS Technologies, Inc.
*/
#include <linux/config.h>
#include <linux/a.out.h>
#include <linux/errno.h>
#include <linux/linkage.h>
@ -176,14 +177,28 @@ _sys_clone(nabi_no_regargs struct pt_regs regs)
{
unsigned long clone_flags;
unsigned long newsp;
int *parent_tidptr, *child_tidptr;
int __user *parent_tidptr, *child_tidptr;
clone_flags = regs.regs[4];
newsp = regs.regs[5];
if (!newsp)
newsp = regs.regs[29];
parent_tidptr = (int *) regs.regs[6];
child_tidptr = (int *) regs.regs[7];
parent_tidptr = (int __user *) regs.regs[6];
#ifdef CONFIG_32BIT
/* We need to fetch the fifth argument off the stack. */
child_tidptr = NULL;
if (clone_flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)) {
int __user *__user *usp = (int __user *__user *) regs.regs[29];
if (regs.regs[2] == __NR_syscall) {
if (get_user (child_tidptr, &usp[5]))
return -EFAULT;
}
else if (get_user (child_tidptr, &usp[4]))
return -EFAULT;
}
#else
child_tidptr = (int __user *) regs.regs[8];
#endif
return do_fork(clone_flags, newsp, &regs, 0,
parent_tidptr, child_tidptr);
}
@ -245,6 +260,16 @@ asmlinkage int sys_olduname(struct oldold_utsname * name)
return error;
}
void sys_set_thread_area(unsigned long addr)
{
struct thread_info *ti = current->thread_info;
ti->tp_value = addr;
/* If some future MIPS implementation has this register in hardware,
* we will need to update it here (and in context switches). */
}
asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
{
int tmp, len;