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path: root/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.c
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Diffstat (limited to 'IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.c')
-rw-r--r--IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.c b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.c
index 1e83b7a8de..4e36c8ae64 100644
--- a/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.c
+++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiS3SaveDxe/AcpiS3Save.c
@@ -221,11 +221,13 @@ S3CreateIdentityMappingPageTables (
PAGE_TABLE_1G_ENTRY *PageDirectory1GEntry;
Page1GSupport = FALSE;
- AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
- if (RegEax >= 0x80000001) {
- AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);
- if ((RegEdx & BIT26) != 0) {
- Page1GSupport = TRUE;
+ if (PcdGetBool(PcdUse1GPageTable)) {
+ AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
+ if (RegEax >= 0x80000001) {
+ AsmCpuid (0x80000001, NULL, NULL, NULL, &RegEdx);
+ if ((RegEdx & BIT26) != 0) {
+ Page1GSupport = TRUE;
+ }
}
}