* 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>
#include <linux/msg.h>
#include <linux/shm.h>
#include <linux/compiler.h>
+#include <linux/module.h>
#include <asm/branch.h>
#include <asm/cachectl.h>
#include <asm/cacheflush.h>
#include <asm/ipc.h>
-#include <asm/offset.h>
+#include <asm/asm-offsets.h>
#include <asm/signal.h>
#include <asm/sim.h>
#include <asm/shmparam.h>
unsigned long shm_align_mask = PAGE_SIZE - 1; /* Sane caches */
+EXPORT_SYMBOL(shm_align_mask);
+
#define COLOUR_ALIGN(addr,pgoff) \
((((addr) + shm_align_mask) & ~shm_align_mask) + \
(((pgoff) << PAGE_SHIFT) & shm_align_mask))
{
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, ®s, 0,
parent_tidptr, child_tidptr);
}
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;
}
}
-/*
- * Native ABI that is O32 or N64 version
- */
-asmlinkage long sys_shmat(int shmid, char __user *shmaddr,
- int shmflg, unsigned long *addr)
-{
- unsigned long raddr;
- int err;
-
- err = do_shmat(shmid, shmaddr, shmflg, &raddr);
- if (err)
- return err;
-
- return put_user(raddr, addr);
-}
-
/*
* No implemented yet ...
*/