diff options
| -rw-r--r-- | MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.c b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.c index e5f685fc6d..45d89a6933 100644 --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.c +++ b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.c @@ -436,9 +436,12 @@ IScsiPublishIbft ( EFI_HANDLE *HandleBuffer;
UINT8 *Heap;
UINT8 Checksum;
- UINTN Index;
EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;
EFI_ACPI_DESCRIPTION_HEADER *Rsdt;
+ EFI_ACPI_DESCRIPTION_HEADER *Xsdt;
+
+ Rsdt = NULL;
+ Xsdt = NULL;
Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **)&AcpiTableProtocol);
if (EFI_ERROR (Status)) {
@@ -449,25 +452,22 @@ IScsiPublishIbft ( //
// Find ACPI table RSD_PTR from system table
//
- for (Index = 0, Rsdp = NULL; Index < gST->NumberOfTableEntries; Index++) {
- if (CompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpi20TableGuid) ||
- CompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpi10TableGuid) ||
- CompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpiTableGuid)
- ) {
- //
- // A match was found.
- //
- Rsdp = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) gST->ConfigurationTable[Index].VendorTable;
- break;
- }
+ Status = EfiGetSystemConfigurationTable (&gEfiAcpiTableGuid, (VOID **) &Rsdp);
+ if (EFI_ERROR (Status)) {
+ Status = EfiGetSystemConfigurationTable (&gEfiAcpi10TableGuid, (VOID **) &Rsdp);
}
- if (Rsdp == NULL) {
+ if (EFI_ERROR (Status) || (Rsdp == NULL)) {
return ;
- } else {
+ } else if (Rsdp->Revision >= EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION && Rsdp->XsdtAddress != 0) {
+ Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->XsdtAddress;
+ } else if (Rsdp->RsdtAddress != 0) {
Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->RsdtAddress;
}
+ if ((Xsdt == NULL) && (Rsdt == NULL)) {
+ return ;
+ }
if (mIbftInstalled) {
Status = AcpiTableProtocol->UninstallAcpiTable (
@@ -506,7 +506,12 @@ IScsiPublishIbft ( //
// Fill in the various section of the iSCSI Boot Firmware Table.
//
- IScsiInitIbfTableHeader (Table, Rsdt->OemId, &Rsdt->OemTableId);
+ if (Rsdp->Revision >= EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION) {
+ IScsiInitIbfTableHeader (Table, Xsdt->OemId, &Xsdt->OemTableId);
+ } else {
+ IScsiInitIbfTableHeader (Table, Rsdt->OemId, &Rsdt->OemTableId);
+ }
+
IScsiInitControlSection (Table, HandleCount);
IScsiFillInitiatorSection (Table, &Heap, HandleBuffer[0]);
IScsiFillNICAndTargetSections (Table, &Heap, HandleCount, HandleBuffer);
|