diff options
Diffstat (limited to 'UefiCpuPkg/Include/Library/CpuPageTableLib.h')
| -rw-r--r-- | UefiCpuPkg/Include/Library/CpuPageTableLib.h | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/UefiCpuPkg/Include/Library/CpuPageTableLib.h b/UefiCpuPkg/Include/Library/CpuPageTableLib.h index 352b6df6c6..78aa83b8de 100644 --- a/UefiCpuPkg/Include/Library/CpuPageTableLib.h +++ b/UefiCpuPkg/Include/Library/CpuPageTableLib.h @@ -11,22 +11,22 @@ typedef union {
struct {
- UINT64 Present : 1; // 0 = Not present in memory, 1 = Present in memory
- UINT64 ReadWrite : 1; // 0 = Read-Only, 1= Read/Write
- UINT64 UserSupervisor : 1; // 0 = Supervisor, 1=User
- UINT64 WriteThrough : 1; // 0 = Write-Back caching, 1=Write-Through caching
- UINT64 CacheDisabled : 1; // 0 = Cached, 1=Non-Cached
- UINT64 Accessed : 1; // 0 = Not accessed, 1 = Accessed (set by CPU)
- UINT64 Dirty : 1; // 0 = Not dirty, 1 = Dirty (set by CPU)
- UINT64 Pat : 1; // PAT
-
- UINT64 Global : 1; // 0 = Not global, 1 = Global (if CR4.PGE = 1)
- UINT64 Reserved1 : 3; // Ignored
-
- UINT64 PageTableBaseAddress : 40; // Page Table Base Address
- UINT64 Reserved2 : 7; // Ignored
- UINT64 ProtectionKey : 4; // Protection key
- UINT64 Nx : 1; // No Execute bit
+ UINT32 Present : 1; // 0 = Not present in memory, 1 = Present in memory
+ UINT32 ReadWrite : 1; // 0 = Read-Only, 1= Read/Write
+ UINT32 UserSupervisor : 1; // 0 = Supervisor, 1=User
+ UINT32 WriteThrough : 1; // 0 = Write-Back caching, 1=Write-Through caching
+ UINT32 CacheDisabled : 1; // 0 = Cached, 1=Non-Cached
+ UINT32 Accessed : 1; // 0 = Not accessed, 1 = Accessed (set by CPU)
+ UINT32 Dirty : 1; // 0 = Not dirty, 1 = Dirty (set by CPU)
+ UINT32 Pat : 1; // PAT
+ UINT32 Global : 1; // 0 = Not global, 1 = Global (if CR4.PGE = 1)
+ UINT32 Reserved1 : 3; // Ignored
+ UINT32 PageTableBaseAddressLow : 20; // Page Table Base Address Low
+
+ UINT32 PageTableBaseAddressHigh : 20; // Page Table Base Address High
+ UINT32 Reserved2 : 7; // Ignored
+ UINT32 ProtectionKey : 4; // Protection key
+ UINT32 Nx : 1; // No Execute bit
} Bits;
UINT64 Uint64;
} IA32_MAP_ATTRIBUTE;
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