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authorRay Ni <ray.ni@intel.com>2022-07-18 17:00:29 +0800
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2022-08-09 07:08:05 +0000
commite9e2ecab2d931069d5f9afaae313e09d42bee6e9 (patch)
tree6eb152cbb30bf0fc69fed9f0382b85a880e24ddb /UefiCpuPkg
parent927113c83b4106aedf57fd1c8dc6dad5f1fe6a69 (diff)
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CpuPageTableLib: define IA32_PAGE_LEVEL enum type internally
The change doesn't change functionality behavior. Signed-off-by: Ray Ni <ray.ni@intel.com> Cc: Zhiguang Liu <zhiguang.liu@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com>
Diffstat (limited to 'UefiCpuPkg')
-rw-r--r--UefiCpuPkg/Library/CpuPageTableLib/CpuPageTable.h8
-rw-r--r--UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c12
2 files changed, 14 insertions, 6 deletions
diff --git a/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTable.h b/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTable.h
index 627f84e4e2..8d856d7c7e 100644
--- a/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTable.h
+++ b/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTable.h
@@ -20,6 +20,14 @@
#define REGION_LENGTH(l) LShiftU64 (1, (l) * 9 + 3)
+typedef enum {
+ Pte = 1,
+ Pde = 2,
+ Pdpte = 3,
+ Pml4 = 4,
+ Pml5 = 5
+} IA32_PAGE_LEVEL;
+
typedef struct {
UINT64 Present : 1; // 0 = Not present in memory, 1 = Present in memory
UINT64 ReadWrite : 1; // 0 = Read-Only, 1= Read/Write
diff --git a/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c b/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c
index 13af9a8cdd..37713ec659 100644
--- a/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c
+++ b/UefiCpuPkg/Library/CpuPageTableLib/CpuPageTableMap.c
@@ -245,8 +245,8 @@ PageTableLibMapInLevel (
IN BOOLEAN Modify,
IN VOID *Buffer,
IN OUT INTN *BufferSize,
- IN UINTN Level,
- IN UINTN MaxLeafLevel,
+ IN IA32_PAGE_LEVEL Level,
+ IN IA32_PAGE_LEVEL MaxLeafLevel,
IN UINT64 LinearAddress,
IN UINT64 Length,
IN UINT64 Offset,
@@ -572,8 +572,8 @@ PageTableMap (
IA32_PAGING_ENTRY TopPagingEntry;
INTN RequiredSize;
UINT64 MaxLinearAddress;
- UINTN MaxLevel;
- UINTN MaxLeafLevel;
+ IA32_PAGE_LEVEL MaxLevel;
+ IA32_PAGE_LEVEL MaxLeafLevel;
IA32_MAP_ATTRIBUTE ParentAttribute;
if ((PagingMode == Paging32bit) || (PagingMode == PagingPae) || (PagingMode >= PagingModeMax)) {
@@ -606,8 +606,8 @@ PageTableMap (
return RETURN_INVALID_PARAMETER;
}
- MaxLeafLevel = (UINT8)PagingMode;
- MaxLevel = (UINT8)(PagingMode >> 8);
+ MaxLeafLevel = (IA32_PAGE_LEVEL)(UINT8)PagingMode;
+ MaxLevel = (IA32_PAGE_LEVEL)(UINT8)(PagingMode >> 8);
MaxLinearAddress = LShiftU64 (1, 12 + MaxLevel * 9);
if ((LinearAddress > MaxLinearAddress) || (Length > MaxLinearAddress - LinearAddress)) {