diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-19 13:18:20 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-01 00:53:59 -0400 |
| commit | 6e75421014cd02cc66298d35c4667e493da78914 (patch) | |
| tree | b8c917bb766efc2396a7693b305e33e0c37e3a53 /arch/mn10300/kernel | |
| parent | 8f1597e959a3cfeae8f5cfae26890710f9092443 (diff) | |
mn10300: switch to generic kernel_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/mn10300/kernel')
| -rw-r--r-- | arch/mn10300/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/mn10300/kernel/entry.S | 7 | ||||
| -rw-r--r-- | arch/mn10300/kernel/kernel_execve.S | 37 |
3 files changed, 8 insertions, 38 deletions
diff --git a/arch/mn10300/kernel/Makefile b/arch/mn10300/kernel/Makefile index 142c1290668..561029f7fa4 100644 --- a/arch/mn10300/kernel/Makefile +++ b/arch/mn10300/kernel/Makefile @@ -8,7 +8,7 @@ fpu-obj-$(CONFIG_FPU) := fpu.o fpu-low.o obj-y := process.o signal.o entry.o traps.o irq.o \ ptrace.o setup.o time.o sys_mn10300.o io.o \ - switch_to.o mn10300_ksyms.o kernel_execve.o $(fpu-obj-y) \ + switch_to.o mn10300_ksyms.o $(fpu-obj-y) \ csrc-mn10300.o cevt-mn10300.o obj-$(CONFIG_SMP) += smp.o smp-low.o diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S index 000f144230a..7dee5f6a141 100644 --- a/arch/mn10300/kernel/entry.S +++ b/arch/mn10300/kernel/entry.S @@ -62,6 +62,13 @@ ENTRY(ret_from_kernel_thread) calls (a0) jmp sys_exit +ENTRY(ret_from_kernel_execve) + add -12,d0 /* pt_regs -> frame */ + mov d0,sp + GET_THREAD_INFO a2 + clr d0 + jmp syscall_exit + ############################################################################### # # system call handler diff --git a/arch/mn10300/kernel/kernel_execve.S b/arch/mn10300/kernel/kernel_execve.S deleted file mode 100644 index 86039f10526..00000000000 --- a/arch/mn10300/kernel/kernel_execve.S +++ /dev/null @@ -1,37 +0,0 @@ -/* MN10300 In-kernel program execution - * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. - */ -#include <linux/linkage.h> -#include <asm/unistd.h> - -############################################################################### -# -# Do a system call from kernel instead of calling sys_execve so we end up with -# proper pt_regs. -# -# int kernel_execve(const char *filename, char *const argv[], -# char *const envp[]) -# -# On entry: D0/D1/8(SP): arguments to function -# On return: D0: syscall return. -# -############################################################################### - .globl kernel_execve - .type kernel_execve,@function -kernel_execve: - mov a3,a1 - mov d0,a0 - mov (12,sp),a3 - mov +__NR_execve,d0 - syscall 0 - mov a1,a3 - rets - - .size kernel_execve,.-kernel_execve |