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Added caching bits

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This commit is contained in:
Philip Homburg 2006-01-12 14:32:42 +00:00
parent ce7b2f64c5
commit 988493b2e2
1 changed files with 2 additions and 0 deletions
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include/sys/vm.h
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@ -17,6 +17,8 @@ struct mapreq
#define I386_VM_PRESENT 0x001 /* Page is present */ #define I386_VM_PRESENT 0x001 /* Page is present */
#define I386_VM_WRITE 0x002 /* Read/write access allowed */ #define I386_VM_WRITE 0x002 /* Read/write access allowed */
#define I386_VM_USER 0x004 /* User access allowed */ #define I386_VM_USER 0x004 /* User access allowed */
#define I386_VM_PWT 0x008 /* Write through */
#define I386_VM_PCD 0x010 /* Cache disable */
#define I386_VM_ADDR_MASK 0xFFFFF000 /* physical address */ #define I386_VM_ADDR_MASK 0xFFFFF000 /* physical address */
#define I386_VM_PT_ENT_SIZE 4 /* Size of a page table entry */ #define I386_VM_PT_ENT_SIZE 4 /* Size of a page table entry */