xv6

commit 4f6df00d81fbb25b7a288cfe412f8773ae8d182a
parent 0875d4b58721f2b8e64aebf924bb664c00b1f817
Author: Brian Swetland <swetland@frotz.net>
Date:   Thu,  2 Jan 2014 01:13:30 -0800

64bit version of the init glue

Diffstat:
A
kernel/initcode64.S
 | 
30
++++++++++++++++++++++++++++++

1 file changed, 30 insertions(+), 0 deletions(-)
diff --git a/kernel/initcode64.S b/kernel/initcode64.S
@@ -0,0 +1,30 @@
+# Initial process execs /init.
+
+#include "syscall.h"
+#include "traps.h"
+
+
+# exec(init, argv)
+.globl start
+start:
+  mov $init, %rdi
+  mov $argv, %rsi
+  mov $SYS_exec, %rax
+  int $T_SYSCALL
+
+# for(;;) exit();
+exit:
+  mov $SYS_exit, %rax
+  int $T_SYSCALL
+  jmp exit
+
+# char init[] = "/init\0";
+init:
+  .string "/init\0"
+
+# char *argv[] = { init, 0 };
+.p2align 2
+argv:
+  .quad init
+  .quad 0
+