diff options
| -rw-r--r-- | NetworkPkg/IScsiDxe/IScsiIbft.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/NetworkPkg/IScsiDxe/IScsiIbft.c b/NetworkPkg/IScsiDxe/IScsiIbft.c index 3c179bfc51..27d098d578 100644 --- a/NetworkPkg/IScsiDxe/IScsiIbft.c +++ b/NetworkPkg/IScsiDxe/IScsiIbft.c @@ -456,10 +456,12 @@ IScsiPublishIbft ( EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table;
EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;
EFI_ACPI_DESCRIPTION_HEADER *Rsdt;
+ EFI_ACPI_DESCRIPTION_HEADER *Xsdt;
UINT8 *Heap;
UINT8 Checksum;
- UINTN Index;
+ Rsdt = NULL;
+ Xsdt = NULL;
Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **) &AcpiTableProtocol);
if (EFI_ERROR (Status)) {
@@ -469,25 +471,23 @@ IScsiPublishIbft ( //
// Find ACPI table RSD_PTR from the 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 (
AcpiTableProtocol,
@@ -520,7 +520,12 @@ 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);
IScsiFillInitiatorSection (Table, &Heap);
IScsiFillNICAndTargetSections (Table, &Heap);
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