1 files changed, 49 insertions, 0 deletions
diff --git a/src/thread/i386/clone.s b/src/thread/i386/clone.s
new file mode 100644
index 0000000..e237d3c
--- /dev/null
+++ b/src/thread/i386/clone.s
@@ -0,0 +1,49 @@
+.text
+.global __clone
+.hidden __clone
+.type   __clone,@function
+__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