From 2ec1959fd1016a18ef3b2d154ce7076be8f237e4 Mon Sep 17 00:00:00 2001
From: Robert Morris <rtm@csail.mit.edu>
Date: Fri, 31 May 2019 09:45:59 -0400
Subject: fork/wait/exit work

---
 initcode.S | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

(limited to 'initcode.S')

diff --git a/initcode.S b/initcode.S
index e097394..ca76972 100644
--- a/initcode.S
+++ b/initcode.S
@@ -2,22 +2,20 @@
 # This code runs in user space.
 
 #include "syscall.h"
-#include "traps.h"
-
 
 # exec(init, argv)
 .globl start
 start:
-  mov $init, %rdi
-  mov $argv, %rsi
-  mov $SYS_exec, %rax  
-  syscall
+        la a0, init
+        la a1, argv
+        li a7, SYS_exec
+        ecall
 
 # for(;;) exit();
 exit:
-  mov $SYS_exit, %rax
-  syscall
-  jmp exit
+        li a7, SYS_exit
+        ecall
+        jal exit
 
 # char init[] = "/init\0";
 init:
@@ -28,4 +26,3 @@ init:
 argv:
   .long init
   .long 0
-
-- 
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