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authorFrans Kaashoek <[email protected]>2011-08-15 17:41:58 -0400
committerFrans Kaashoek <[email protected]>2011-08-15 17:41:58 -0400
commit944964685325aa63a59e5e84d8fd0ba5af45ec8c (patch)
treef25a414730f9d5576666a89ead43a47ae387f6d8 /mmu.h
parent843eecfcd0c23f2b9466e5c3289c1819950ccb47 (diff)
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Use 4Mbyte pages during boot
Diffstat (limited to 'mmu.h')
-rw-r--r--mmu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/mmu.h b/mmu.h
index 3e46f41..9ab581a 100644
--- a/mmu.h
+++ b/mmu.h
@@ -37,6 +37,8 @@
#define CR0_CD 0x40000000 // Cache Disable
#define CR0_PG 0x80000000 // Paging
+#define CR4_PSE 0x00000010 // Page size extension
+
#define SEG_KCODE 1 // kernel code
#define SEG_KDATA 2 // kernel data+stack
#define SEG_KCPU 3 // kernel per-cpu data