From 40889627ba50db29a64bc6a1553c2b21e6a99b78 Mon Sep 17 00:00:00 2001
From: Frans Kaashoek <kaashoek@fransk-6.local>
Date: Fri, 2 Jul 2010 14:51:53 -0400
Subject: Initial version of single-cpu xv6 with page tables

---
 swtch.S | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'swtch.S')

diff --git a/swtch.S b/swtch.S
index 8751317..49efdf9 100644
--- a/swtch.S
+++ b/swtch.S
@@ -26,3 +26,11 @@ swtch:
   popl %ebx
   popl %ebp
   ret
+
+# Jump on a new stack, fake C calling conventions
+.globl jstack
+jstack:	
+  movl 4(%esp), %esp
+  subl $16, %esp	# space for arguments
+  movl $0, %ebp	        # terminate functions that follow ebp's
+  call mainc	        # continue at mainc
-- 
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