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authorMark Kettenis <kettenis@cvs.openbsd.org>2008-07-05 21:20:49 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2008-07-05 21:20:49 +0000
commit8882a22f7b4efb478326b2fc3a5a3c759d62143d (patch)
tree551a616d4b736f38a93bcbba17bfeffe57339c79
parent42951335bffb98506ad95ff8bb569a1826b60b02 (diff)
Calculate the size of kernel text correctly if it spans multiple prom mapping
entries. This is necessary on the v1280 where the firmware mixes 4MB and 8KB mappings to map kernel text. tested by miod@ and nick@
-rw-r--r--sys/arch/sparc64/sparc64/pmap.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/arch/sparc64/sparc64/pmap.c b/sys/arch/sparc64/sparc64/pmap.c
index d97b8a280ba..46be8e6a088 100644
--- a/sys/arch/sparc64/sparc64/pmap.c
+++ b/sys/arch/sparc64/sparc64/pmap.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pmap.c,v 1.64 2008/07/04 17:40:25 kettenis Exp $ */
+/* $OpenBSD: pmap.c,v 1.65 2008/07/05 21:20:48 kettenis Exp $ */
/* $NetBSD: pmap.c,v 1.107 2001/08/31 16:47:41 eeh Exp $ */
#undef NO_VCACHE /* Don't forget the locked TLB in dostart */
/*
@@ -882,12 +882,12 @@ remap_data:
* Hunt for the kernel text segment and figure out it size and
* alignment.
*/
+ ktsize = 0;
for (i = 0; i < prom_map_size; i++)
- if (prom_map[i].vstart == ktext)
- break;
- if (i == prom_map_size)
+ if (prom_map[i].vstart == ktext + ktsize)
+ ktsize += prom_map[i].vsize;
+ if (ktsize == 0)
panic("No kernel text segment!");
- ktsize = prom_map[i].vsize;
ektext = ktext + ktsize;
if (ktextp & (4*MEG-1)) {