diff options
Diffstat (limited to 'qemu/roms/ipxe/src/arch/i386/core/linux/linuxprefix.S')
-rw-r--r-- | qemu/roms/ipxe/src/arch/i386/core/linux/linuxprefix.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/arch/i386/core/linux/linuxprefix.S b/qemu/roms/ipxe/src/arch/i386/core/linux/linuxprefix.S new file mode 100644 index 000000000..398d3cb21 --- /dev/null +++ b/qemu/roms/ipxe/src/arch/i386/core/linux/linuxprefix.S @@ -0,0 +1,28 @@ +#include <linux/unistd.h> + + .section ".text" + .code32 + .globl _linux_start + .type _linux_start, @function + +_linux_start: + xorl %ebp, %ebp + + popl %esi // save argc + movl %esp, %edi // save argv + + andl $~15, %esp // 16-byte align the stack + + pushl %edi // argv -> C arg2 + pushl %esi // argc -> C arg1 + + call save_args + + /* Our main doesn't use any arguments */ + call main + + movl %eax, %ebx // rc -> syscall arg1 + movl $__NR_exit, %eax + int $0x80 + + .size _linux_start, . - _linux_start |