diff options
Diffstat (limited to 'UefiPayloadPkg/BlSupportPei/BlSupportPei.c')
| -rw-r--r-- | UefiPayloadPkg/BlSupportPei/BlSupportPei.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/UefiPayloadPkg/BlSupportPei/BlSupportPei.c b/UefiPayloadPkg/BlSupportPei/BlSupportPei.c index 90433b609f..2297245311 100644 --- a/UefiPayloadPkg/BlSupportPei/BlSupportPei.c +++ b/UefiPayloadPkg/BlSupportPei/BlSupportPei.c @@ -164,6 +164,7 @@ ParseAcpiInfo ( UINT64 *Entry64;
UINTN Entry64Num;
UINTN Idx;
+ UINT32 *Signature;
EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER *MmCfgHdr;
EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE *MmCfgBase;
@@ -181,13 +182,14 @@ ParseAcpiInfo ( Entry32 = (UINT32 *)(Rsdt + 1);
Entry32Num = (Rsdt->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER)) >> 2;
for (Idx = 0; Idx < Entry32Num; Idx++) {
- if (*(UINT32 *)(UINTN)(Entry32[Idx]) == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {
- Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN)(Entry32[Idx]);
+ Signature = (UINT32 *)(UINTN)Entry32[Idx];
+ if (*Signature == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {
+ Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)Signature;
DEBUG ((DEBUG_INFO, "Found Fadt in Rsdt\n"));
}
- if (*(UINT32 *)(UINTN)(Entry32[Idx]) == EFI_ACPI_5_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE) {
- MmCfgHdr = (EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER *)(UINTN)(Entry32[Idx]);
+ if (*Signature == EFI_ACPI_5_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE) {
+ MmCfgHdr = (EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER *)Signature;
DEBUG ((DEBUG_INFO, "Found MM config address in Rsdt\n"));
}
@@ -205,13 +207,14 @@ ParseAcpiInfo ( Entry64 = (UINT64 *)(Xsdt + 1);
Entry64Num = (Xsdt->Length - sizeof(EFI_ACPI_DESCRIPTION_HEADER)) >> 3;
for (Idx = 0; Idx < Entry64Num; Idx++) {
- if (*(UINT32 *)(UINTN)(Entry64[Idx]) == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {
- Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)(UINTN)(Entry64[Idx]);
+ Signature = (UINT32 *)(UINTN)Entry64[Idx];
+ if (*Signature == EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE) {
+ Fadt = (EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE *)Signature;
DEBUG ((DEBUG_INFO, "Found Fadt in Xsdt\n"));
}
- if (*(UINT32 *)(UINTN)(Entry64[Idx]) == EFI_ACPI_5_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE) {
- MmCfgHdr = (EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER *)(UINTN)(Entry32[Idx]);
+ if (*Signature == EFI_ACPI_5_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE) {
+ MmCfgHdr = (EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER *)Signature;
DEBUG ((DEBUG_INFO, "Found MM config address in Xsdt\n"));
}
|