diff options
Diffstat (limited to 'arch/m68knommu/kernel')
| -rw-r--r-- | arch/m68knommu/kernel/sys_m68k.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/m68knommu/kernel/sys_m68k.c b/arch/m68knommu/kernel/sys_m68k.c index d87e1e0a1336..c3494b8447d1 100644 --- a/arch/m68knommu/kernel/sys_m68k.c +++ b/arch/m68knommu/kernel/sys_m68k.c @@ -26,6 +26,7 @@ #include <asm/traps.h> #include <asm/ipc.h> #include <asm/cacheflush.h> +#include <asm/unistd.h> /* * sys_pipe() is the normal C calling standard for creating @@ -206,3 +207,17 @@ asmlinkage int sys_getpagesize(void) return PAGE_SIZE; } +/* + * 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[]) +{ + register long __res asm ("%d0") = __NR_execve; + register long __a asm ("%d1") = (long)(filename); + register long __b asm ("%d2") = (long)(argv); + register long __c asm ("%d3") = (long)(envp); + asm volatile ("trap #0" : "+d" (__res) + : "d" (__a), "d" (__b), "d" (__c)); + return __res; +} |