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authorMiod Vallat <miod@cvs.openbsd.org>2004-03-02 23:36:46 +0000
committerMiod Vallat <miod@cvs.openbsd.org>2004-03-02 23:36:46 +0000
commit3623aa59366a383494516167e784507361c47666 (patch)
tree1f27b91afcdc670ddd313fc6c9ec702e3c4c3077 /usr.sbin
parent9aebc676361f459df5ba83581d437ee61cca5e87 (diff)
A wrong comment is worth a thousand bugs...
Diffstat (limited to 'usr.sbin')
-rw-r--r--usr.sbin/afs/src/lwp/process.m88k.S5
1 files changed, 3 insertions, 2 deletions
diff --git a/usr.sbin/afs/src/lwp/process.m88k.S b/usr.sbin/afs/src/lwp/process.m88k.S
index eebfda1ab7c..f7ccb8ba4de 100644
--- a/usr.sbin/afs/src/lwp/process.m88k.S
+++ b/usr.sbin/afs/src/lwp/process.m88k.S
@@ -1,4 +1,4 @@
-/* $OpenBSD: process.m88k.S,v 1.1 2004/03/02 18:17:51 miod Exp $ */
+/* $OpenBSD: process.m88k.S,v 1.2 2004/03/02 23:36:45 miod Exp $ */
/*
* Copyright (c) 2004, Miodrag Vallat.
@@ -35,7 +35,8 @@
* savecontext(int (*f)(), struct savearea *a1, char *newsp)
*/
ENTRY(savecontext)
- /* save all registers but r0, r2, r3 and r4 on stack */
+ /* save all registers but r0, r2, r3 and r31 on stack - we could
+ skip r4 but saving it allows us to use it as a temporary below. */
sub r31, r31, 4 * 30
st.d r4, r31, 4 * 0
st.d r6, r31, 4 * 2