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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-10 19:29:28 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-10-15 01:37:44 +0200 |
| commit | 5fae1b664595adc621fb9294b7d19145918073de (patch) | |
| tree | 77cef337e95202f12e6483fd33d0a6fde5c9f834 | |
| parent | h8300: generic kernel_thread() (diff) | |
| download | linux-5fae1b664595adc621fb9294b7d19145918073de.tar.xz linux-5fae1b664595adc621fb9294b7d19145918073de.zip | |
h8300: generic kernel_execve()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/h8300/Kconfig | 1 | ||||
| -rw-r--r-- | arch/h8300/kernel/entry.S | 3 | ||||
| -rw-r--r-- | arch/h8300/kernel/sys_h8300.c | 26 |
3 files changed, 2 insertions, 28 deletions
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig index 4cef8a91c2a0..04bef4d25b4a 100644 --- a/arch/h8300/Kconfig +++ b/arch/h8300/Kconfig @@ -9,6 +9,7 @@ config H8300 select GENERIC_CPU_DEVICES select MODULES_USE_ELF_RELA select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE config SYMBOL_PREFIX string diff --git a/arch/h8300/kernel/entry.S b/arch/h8300/kernel/entry.S index 2cdb49a56099..617a6878787f 100644 --- a/arch/h8300/kernel/entry.S +++ b/arch/h8300/kernel/entry.S @@ -337,8 +337,7 @@ SYMBOL_NAME_LABEL(ret_from_kernel_thread) mov.l @(LER4:16,sp),er0 mov.l @(LER5:16,sp),er1 jsr @er1 - sub.l @er0,@er0 - jsr @SYMBOL_NAME(sys_exit) + jmp @SYMBOL_NAME(ret_from_exception) SYMBOL_NAME_LABEL(resume) /* diff --git a/arch/h8300/kernel/sys_h8300.c b/arch/h8300/kernel/sys_h8300.c index 4bdc7311784e..bf350cb7f597 100644 --- a/arch/h8300/kernel/sys_h8300.c +++ b/arch/h8300/kernel/sys_h8300.c @@ -46,29 +46,3 @@ asmlinkage void syscall_print(void *dummy,...) ((regs->pc)&0xffffff)-2,regs->orig_er0,regs->er1,regs->er2,regs->er3,regs->er0); } #endif - -/* - * Do a system call from kernel instead of calling sys_execve so we - * end up with proper pt_regs. - */ -asmlinkage -int kernel_execve(const char *filename, - const char *const argv[], - const char *const envp[]) -{ - register long res __asm__("er0"); - register const char *const *_c __asm__("er3") = envp; - register const char *const *_b __asm__("er2") = argv; - register const char * _a __asm__("er1") = filename; - __asm__ __volatile__ ("mov.l %1,er0\n\t" - "trapa #0\n\t" - : "=r" (res) - : "g" (__NR_execve), - "g" (_a), - "g" (_b), - "g" (_c) - : "cc", "memory"); - return res; -} - - |