[edk2-devel] [PATCH v1 19/41] PrmPkg/PrmLoaderDxe: Add ACPI parameter buffer support
Michael Kubacki
mikuback at linux.microsoft.com
Tue Mar 22 16:19:25 UTC 2022
From: Michael Kubacki <michael.kubacki at microsoft.com>
Adds support to PrmLoaderDxe to move the ACPI parameter buffer
address for a given PRM handler to the corresponding field
in the PRM handler information structure (PRMT ACPI table).
Cc: Andrew Fish <afish at apple.com>
Cc: Kang Gao <kang.gao at intel.com>
Cc: Michael D Kinney <michael.d.kinney at intel.com>
Cc: Michael Kubacki <michael.kubacki at microsoft.com>
Cc: Leif Lindholm <leif at nuviainc.com>
Cc: Benjamin You <benjamin.you at intel.com>
Cc: Liu Yun <yun.y.liu at intel.com>
Cc: Ankit Sinha <ankit.sinha at intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone at intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki at microsoft.com>
---
PrmPkg/PrmLoaderDxe/PrmLoaderDxe.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/PrmPkg/PrmLoaderDxe/PrmLoaderDxe.c b/PrmPkg/PrmLoaderDxe/PrmLoaderDxe.c
index 433d81cf8009..6416e388a668 100644
--- a/PrmPkg/PrmLoaderDxe/PrmLoaderDxe.c
+++ b/PrmPkg/PrmLoaderDxe/PrmLoaderDxe.c
@@ -621,6 +621,7 @@ ProcessPrmModules (
PRM_MODULE_IMAGE_CONTEXT_LIST_ENTRY *TempListEntry;
CONST CHAR8 *CurrentExportDescriptorHandlerName;
+ ACPI_PARAMETER_BUFFER_DESCRIPTOR *CurrentModuleAcpiParamDescriptors;
PRM_CONTEXT_BUFFER *CurrentContextBuffer;
PRM_MODULE_CONTEXT_BUFFERS *CurrentModuleContextBuffers;
PRM_MODULE_INFORMATION_STRUCT *CurrentModuleInfoStruct;
@@ -628,6 +629,7 @@ ProcessPrmModules (
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS CurrentImageAddress;
+ UINTN AcpiParamIndex;
UINTN HandlerIndex;
UINT32 PrmAcpiDescriptionTableBufferSize;
@@ -677,6 +679,7 @@ ProcessPrmModules (
CurrentImageAddress = TempListEntry->Context->PeCoffImageContext.ImageAddress;
CurrentImageExportDirectory = TempListEntry->Context->ExportDirectory;
CurrentExportDescriptorStruct = TempListEntry->Context->ExportDescriptor;
+ CurrentModuleAcpiParamDescriptors = NULL;
DEBUG ((
DEBUG_INFO,
@@ -715,6 +718,7 @@ ProcessPrmModules (
ASSERT (!EFI_ERROR (Status) || Status == EFI_NOT_FOUND);
if (!EFI_ERROR (Status) && CurrentModuleContextBuffers != NULL) {
CurrentModuleInfoStruct->RuntimeMmioRanges = (UINT64) (UINTN) CurrentModuleContextBuffers->RuntimeMmioRanges;
+ CurrentModuleAcpiParamDescriptors = CurrentModuleContextBuffers->AcpiParameterBufferDescriptors;
}
//
@@ -759,6 +763,19 @@ ProcessPrmModules (
CurrentHandlerInfoStruct->PhysicalAddress
));
}
+
+ //
+ // Update the handler ACPI parameter buffer address if applicable
+ //
+ if (CurrentModuleAcpiParamDescriptors != NULL) {
+ for (AcpiParamIndex = 0; AcpiParamIndex < CurrentModuleContextBuffers->AcpiParameterBufferDescriptorCount; AcpiParamIndex++) {
+ if (CompareGuid (&CurrentModuleAcpiParamDescriptors[AcpiParamIndex].HandlerGuid, &CurrentHandlerInfoStruct->Identifier)) {
+ CurrentHandlerInfoStruct->AcpiParameterBuffer = (UINT64) (UINTN) (
+ CurrentModuleAcpiParamDescriptors[AcpiParamIndex].AcpiParameterBufferAddress
+ );
+ }
+ }
+ }
}
CurrentModuleInfoStruct = (PRM_MODULE_INFORMATION_STRUCT *) ((UINTN) CurrentModuleInfoStruct + CurrentModuleInfoStruct->StructureLength);
}
--
2.28.0.windows.1
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