Added threading

1 files changed, 45 insertions, 11 deletions

diff --git a/sort.asm b/sort.asm
index b576889..d089dc9 100644
--- a/sort.asm
+++ b/sort.asm
@@ -1,29 +1,63 @@
 ; Copyright (c) 2023 Marvin Borner
 
-global  main
-extern  printf
+global main
+extern printf
 
-bits    64
+bits 64
+
+;;; main
 
 main:
 	push    rbp
 	mov     ecx, size
 
-print:
-	mov     rdi, format
-	mov     rsi, [array + (ecx - 1) * 4]
-	xor     rax, rax
+loop:
 	push    rcx
-	call    printf WRT ..plt
+	call    thread
 	pop     rcx
 	dec     ecx
-	jnz     print
+	jnz     loop
 
 end:
 	pop     rbp
-	mov     rax, 0
+	mov     rax, 0x3c
+	mov     rdi, 0
+	syscall ; exit
+
+print:
+	mov     rdi, format
+	xor     rax, rax
+	call    printf
 	ret
 
-array: dd 1, 5, 3, 7, 2, 6
+thread:
+	lea     rax, print
+	mov     rsi, [array + (ecx - 1) * 4]
+	call    thread_run
+	ret
+
+;;; utils
+
+thread_run:
+	push    rax
+	mov     rax, 0x39
+	syscall ; fork
+	cmp     rax, 0
+	mov     r10, rax
+	pop     rax
+	je      child
+	mov     rax, r10
+	ret
+
+child:
+	call    rax
+
+	mov     rax, 0x3c
+	mov     rdi, 0
+	syscall ; exit
+
+;;; data
+
+array: dd 3,1,4,1,5,9,2,6,5,3,5,8,9,7,9,3
 size: equ ($-array)/4
 format: db "%d", 10, 0