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-rw-r--r--UefiPayloadPkg/Library/FdtParserLib/FdtParserLib.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/UefiPayloadPkg/Library/FdtParserLib/FdtParserLib.c b/UefiPayloadPkg/Library/FdtParserLib/FdtParserLib.c
index 372ca07765..05780a2c19 100644
--- a/UefiPayloadPkg/Library/FdtParserLib/FdtParserLib.c
+++ b/UefiPayloadPkg/Library/FdtParserLib/FdtParserLib.c
@@ -60,6 +60,8 @@ typedef enum {
EFI_PCI_IO_ATTRIBUTE_ISA_IO | \
EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO)
+#define UPL_ALIGN_DOWN(Addr) ((UINT64)(Addr) & ~(UINT64)(EFI_PAGE_SIZE - 1))
+
extern VOID *mHobList;
UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGES *mPciRootBridgeInfo = NULL;
INT32 mNode[0x500] = { 0 };
@@ -289,7 +291,12 @@ ParseReservedMemory (
BuildMemoryAllocationHob (StartAddress, NumberOfBytes, EfiACPIMemoryNVS);
} else if (AsciiStrnCmp (TempStr, "acpi", AsciiStrLen ("acpi")) == 0) {
DEBUG ((DEBUG_INFO, " acpi, StartAddress:%x, NumberOfBytes:%x\n", StartAddress, NumberOfBytes));
- BuildMemoryAllocationHob (StartAddress, NumberOfBytes, EfiBootServicesData);
+
+ BuildMemoryAllocationHob (
+ UPL_ALIGN_DOWN (StartAddress),
+ ALIGN_VALUE (NumberOfBytes, EFI_PAGE_SIZE),
+ EfiBootServicesData
+ );
PlatformAcpiTable = BuildGuidHob (&gUniversalPayloadAcpiTableGuid, sizeof (UNIVERSAL_PAYLOAD_ACPI_TABLE));
if (PlatformAcpiTable != NULL) {
DEBUG ((DEBUG_INFO, " build gUniversalPayloadAcpiTableGuid , NumberOfBytes:%x\n", NumberOfBytes));