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Diffstat (limited to 'include/asm-x86/pgtable.h')
-rw-r--r--include/asm-x86/pgtable.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 888add7b0882..ed932453ef26 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -19,6 +19,7 @@
19#define _PAGE_BIT_UNUSED3 11 19#define _PAGE_BIT_UNUSED3 11
20#define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ 20#define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */
21#define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 21#define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1
22#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1
22#define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ 23#define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */
23 24
24#define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT) 25#define _PAGE_PRESENT (_AT(pteval_t, 1) << _PAGE_BIT_PRESENT)
@@ -36,6 +37,7 @@
36#define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) 37#define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT)
37#define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) 38#define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE)
38#define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL) 39#define _PAGE_SPECIAL (_AT(pteval_t, 1) << _PAGE_BIT_SPECIAL)
40#define _PAGE_CPA_TEST (_AT(pteval_t, 1) << _PAGE_BIT_CPA_TEST)
39#define __HAVE_ARCH_PTE_SPECIAL 41#define __HAVE_ARCH_PTE_SPECIAL
40 42
41#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) 43#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
@@ -130,6 +132,17 @@
130#define __S110 PAGE_SHARED_EXEC 132#define __S110 PAGE_SHARED_EXEC
131#define __S111 PAGE_SHARED_EXEC 133#define __S111 PAGE_SHARED_EXEC
132 134
135/*
136 * early identity mapping pte attrib macros.
137 */
138#ifdef CONFIG_X86_64
139#define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC
140#else
141#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */
142#define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */
143#define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */
144#endif
145
133#ifndef __ASSEMBLY__ 146#ifndef __ASSEMBLY__
134 147
135/* 148/*