diff options
Diffstat (limited to 'src/thread/i386')
| -rw-r--r-- | src/thread/i386/__set_thread_area.s | 21 | ||||
| -rw-r--r-- | src/thread/i386/clone.s | 73 |
2 files changed, 60 insertions, 34 deletions
diff --git a/src/thread/i386/__set_thread_area.s b/src/thread/i386/__set_thread_area.s index a43525ec..cccf1cd3 100644 --- a/src/thread/i386/__set_thread_area.s +++ b/src/thread/i386/__set_thread_area.s @@ -2,20 +2,21 @@ .global __set_thread_area .type __set_thread_area,@function __set_thread_area: - pushl %ebx - movl 8(%esp),%ecx - movl $-1,4(%ecx) - movl %ecx,8(%ecx) - movl $0xfffff,12(%ecx) - movl $0x51,16(%ecx) - leal 4(%ecx),%ebx - movl $243,%eax + push %ebx + push $0x51 + push $0xfffff + push 16(%esp) + push $-1 + mov %esp,%ebx + xor %eax,%eax + mov $243,%al int $128 - popl %ebx testl %eax,%eax jnz 1f - movl 4(%ecx),%ecx + movl (%esp),%ecx leal 3(,%ecx,8),%ecx movw %cx,%gs 1: + addl $16,%esp + popl %ebx ret diff --git a/src/thread/i386/clone.s b/src/thread/i386/clone.s index 7af5f5db..bebf01a3 100644 --- a/src/thread/i386/clone.s +++ b/src/thread/i386/clone.s @@ -1,26 +1,51 @@ .text -.global __uniclone -.type __uniclone,@function -__uniclone: - movl 4(%esp),%ecx - subl $24,%ecx - movl 8(%esp),%eax - movl %eax,16(%ecx) - movl 12(%esp),%eax - movl %eax,24(%ecx) - pushl %ebx - pushl %esi - pushl %edi - pushl %ebp - movl %eax,8(%eax) - leal 20(%eax),%edx - leal 4(%eax),%esi - movl %edx,%edi - movl $0x7d0f00,%ebx - movl $120,%eax - int $128 - popl %ebp - popl %edi - popl %esi - popl %ebx +.global __clone +.weak clone +.type __clone,@function +.type clone,@function +__clone: +clone: + push %ebp + mov %esp,%ebp + push %ebx + push %esi + push %edi + + xor %eax,%eax + push $0x51 + mov %gs,%ax + push $0xfffff + shr $3,%eax + push 28(%ebp) + push %eax + mov $120,%al + + mov 12(%ebp),%ecx + mov 16(%ebp),%ebx + and $-16,%ecx + sub $16,%ecx + mov 20(%ebp),%edi + mov %edi,(%ecx) + mov 24(%ebp),%edx + mov %esp,%esi + mov 32(%ebp),%edi + mov 8(%ebp),%ebp + int $128 + test %eax,%eax + jnz 1f + + mov %ebp,%eax + xor %ebp,%ebp + call *%eax + mov %eax,%ebx + xor %eax,%eax + inc %eax + int $128 + hlt + +1: add $16,%esp + pop %edi + pop %esi + pop %ebx + pop %ebp ret |