/* void asm_switch_context(void ** new_sp [sp+4], void ** save_sp [sp+8]) */
.globl SWITCH_CONTEXT
SWITCH_CONTEXT:
- pushl %eax
- pushl %ebx
- pushl %ecx
- pushl %edx
- pushl %esi
- pushl %edi
pushl %ebp
+ pushl %edi
+ pushl %esi
+ pushl %ebx
movl 0x24(%esp),%ebp /* ebp = save_sp */
movl %esp,(%ebp) /* *save_sp = esp */
movl 0x20(%esp),%ebp /* ebp = new_sp */
movl (%ebp),%esp /* esp = *new_sp */
- popl %ebp
- popl %edi
- popl %esi
- popl %edx
- popl %ecx
popl %ebx
- popl %eax
+ popl %esi
+ popl %edi
+ popl %ebp
ret