summaryrefslogtreecommitdiffstats
path: root/include/asm-powerpc/syscall.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-powerpc/syscall.h')
-rw-r--r--include/asm-powerpc/syscall.h84
1 files changed, 0 insertions, 84 deletions
diff --git a/include/asm-powerpc/syscall.h b/include/asm-powerpc/syscall.h
deleted file mode 100644
index efa7f0b879f3..000000000000
--- a/include/asm-powerpc/syscall.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Access to user system call parameters and results
- *
- * Copyright (C) 2008 Red Hat, Inc. All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
- *
- * See asm-generic/syscall.h for descriptions of what we must do here.
- */
-
-#ifndef _ASM_SYSCALL_H
-#define _ASM_SYSCALL_H 1
-
-#include <linux/sched.h>
-
-static inline long syscall_get_nr(struct task_struct *task,
- struct pt_regs *regs)
-{
- return TRAP(regs) == 0xc00 ? regs->gpr[0] : -1L;
-}
-
-static inline void syscall_rollback(struct task_struct *task,
- struct pt_regs *regs)
-{
- regs->gpr[3] = regs->orig_gpr3;
-}
-
-static inline long syscall_get_error(struct task_struct *task,
- struct pt_regs *regs)
-{
- return (regs->ccr & 0x1000) ? -regs->gpr[3] : 0;
-}
-
-static inline long syscall_get_return_value(struct task_struct *task,
- struct pt_regs *regs)
-{
- return regs->gpr[3];
-}
-
-static inline void syscall_set_return_value(struct task_struct *task,
- struct pt_regs *regs,
- int error, long val)
-{
- if (error) {
- regs->ccr |= 0x1000L;
- regs->gpr[3] = -error;
- } else {
- regs->ccr &= ~0x1000L;
- regs->gpr[3] = val;
- }
-}
-
-static inline void syscall_get_arguments(struct task_struct *task,
- struct pt_regs *regs,
- unsigned int i, unsigned int n,
- unsigned long *args)
-{
- BUG_ON(i + n > 6);
-#ifdef CONFIG_PPC64
- if (test_tsk_thread_flag(task, TIF_32BIT)) {
- /*
- * Zero-extend 32-bit argument values. The high bits are
- * garbage ignored by the actual syscall dispatch.
- */
- while (n-- > 0)
- args[n] = (u32) regs->gpr[3 + i + n];
- return;
- }
-#endif
- memcpy(args, &regs->gpr[3 + i], n * sizeof(args[0]));
-}
-
-static inline void syscall_set_arguments(struct task_struct *task,
- struct pt_regs *regs,
- unsigned int i, unsigned int n,
- const unsigned long *args)
-{
- BUG_ON(i + n > 6);
- memcpy(&regs->gpr[3 + i], args, n * sizeof(args[0]));
-}
-
-#endif /* _ASM_SYSCALL_H */
OpenPOWER on IntegriCloud