Initial Upload

initcode.S

@@ -0,0 +1,32 @@
+# Initial process execs /init.
+# This code runs in user space.
+
+#include "syscall.h"
+#include "traps.h"
+
+
+# exec(init, argv)
+.globl start
+start:
+    pushl   $argv
+    pushl   $init
+    pushl   $0  // where caller pc would be
+    movl    $SYS_exec, %eax
+    int     $T_SYSCALL
+
+# for(;;) exit();
+exit:
+    movl    $SYS_exit, %eax
+    int     $T_SYSCALL
+    jmp     exit
+
+# char init[] = "/init\0";
+init:
+    .string "/init\0"
+
+# char *argv[] = { init, 0 };
+    .p2align 2
+argv:
+    .long init
+    .long 0
+