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[Xen-devel] [PATCH] minios: fix p2m on x86

from [Samuel Thibault]

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Subject:	[Xen-devel] [PATCH] minios: fix p2m on x86
From:	Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
Date:	Sat, 7 Feb 2009 03:47:42 +0100
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minios: fix p2m on x86

15675:bf85b467ee89 Fixed p2m on x86_64, but instead broke it on x86.

Signed-off-by: Samuel Thibault <samuel.thibaut@xxxxxxxxxxxx>

diff -r 8df3c145923f extras/mini-os/arch/x86/mm.c
--- a/extras/mini-os/arch/x86/mm.c      Mon Jan 19 17:40:28 2009 +0000
+++ b/extras/mini-os/arch/x86/mm.c      Sat Feb 07 03:44:41 2009 +0100
@@ -550,9 +550,15 @@
 
 void arch_init_p2m(unsigned long max_pfn)
 {
+#ifdef __x86_64__
 #define L1_P2M_SHIFT    9
 #define L2_P2M_SHIFT    18    
 #define L3_P2M_SHIFT    27    
+#else
+#define L1_P2M_SHIFT    10
+#define L2_P2M_SHIFT    20    
+#define L3_P2M_SHIFT    30    
+#endif
 #define L1_P2M_ENTRIES  (1 << L1_P2M_SHIFT)    
 #define L2_P2M_ENTRIES  (1 << (L2_P2M_SHIFT - L1_P2M_SHIFT))    
 #define L3_P2M_ENTRIES  (1 << (L3_P2M_SHIFT - L2_P2M_SHIFT))    

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