diff options
Diffstat (limited to 'MdeModulePkg/Core/Dxe/Gcd/Gcd.c')
| -rw-r--r-- | MdeModulePkg/Core/Dxe/Gcd/Gcd.c | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/MdeModulePkg/Core/Dxe/Gcd/Gcd.c b/MdeModulePkg/Core/Dxe/Gcd/Gcd.c index a06f8bb77c..e9d1d5b612 100644 --- a/MdeModulePkg/Core/Dxe/Gcd/Gcd.c +++ b/MdeModulePkg/Core/Dxe/Gcd/Gcd.c @@ -40,6 +40,13 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #define PRESENT_MEMORY_ATTRIBUTES (EFI_RESOURCE_ATTRIBUTE_PRESENT)
+#define EXCLUSIVE_MEMORY_ATTRIBUTES (EFI_MEMORY_UC | EFI_MEMORY_WC | \
+ EFI_MEMORY_WT | EFI_MEMORY_WB | \
+ EFI_MEMORY_WP | EFI_MEMORY_UCE)
+
+#define NONEXCLUSIVE_MEMORY_ATTRIBUTES (EFI_MEMORY_XP | EFI_MEMORY_RP | \
+ EFI_MEMORY_RO)
+
#define INVALID_CPU_ARCH_ATTRIBUTES 0xffffffff
//
@@ -654,28 +661,30 @@ ConverToCpuArchAttributes ( UINT64 Attributes
)
{
- if ( (Attributes & EFI_MEMORY_UC) == EFI_MEMORY_UC) {
- return EFI_MEMORY_UC;
- }
+ UINT64 CpuArchAttributes;
- if ( (Attributes & EFI_MEMORY_WC ) == EFI_MEMORY_WC) {
- return EFI_MEMORY_WC;
+ if ((Attributes & ~(EXCLUSIVE_MEMORY_ATTRIBUTES |
+ NONEXCLUSIVE_MEMORY_ATTRIBUTES)) != 0) {
+ return INVALID_CPU_ARCH_ATTRIBUTES;
}
- if ( (Attributes & EFI_MEMORY_WT ) == EFI_MEMORY_WT) {
- return EFI_MEMORY_WT;
- }
-
- if ( (Attributes & EFI_MEMORY_WB) == EFI_MEMORY_WB) {
- return EFI_MEMORY_WB;
- }
-
- if ( (Attributes & EFI_MEMORY_WP) == EFI_MEMORY_WP) {
- return EFI_MEMORY_WP;
- }
-
- return INVALID_CPU_ARCH_ATTRIBUTES;
+ CpuArchAttributes = Attributes & NONEXCLUSIVE_MEMORY_ATTRIBUTES;
+ if ( (Attributes & EFI_MEMORY_UC) == EFI_MEMORY_UC) {
+ CpuArchAttributes |= EFI_MEMORY_UC;
+ } else if ( (Attributes & EFI_MEMORY_WC ) == EFI_MEMORY_WC) {
+ CpuArchAttributes |= EFI_MEMORY_WC;
+ } else if ( (Attributes & EFI_MEMORY_WT ) == EFI_MEMORY_WT) {
+ CpuArchAttributes |= EFI_MEMORY_WT;
+ } else if ( (Attributes & EFI_MEMORY_WB) == EFI_MEMORY_WB) {
+ CpuArchAttributes |= EFI_MEMORY_WB;
+ } else if ( (Attributes & EFI_MEMORY_UCE) == EFI_MEMORY_UCE) {
+ CpuArchAttributes |= EFI_MEMORY_UCE;
+ } else if ( (Attributes & EFI_MEMORY_WP) == EFI_MEMORY_WP) {
+ CpuArchAttributes |= EFI_MEMORY_WP;
+ }
+
+ return CpuArchAttributes;
}
|