From: Patrick Rudolph <patrick.rudo...@9elements.com>
Add a new InfoHob that contains the SmmStore information passed from
coreboot tables when the SMMSTOREV2 feature is enabled.
This will be used to implement the FVB in top of the MM installed by
coreboot.
Cc: Guo Dong <guo.d...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: Maurice Ma <maurice...@intel.com>
Cc: Benjamin You <benjamin....@intel.com>
Cc: Sean Rhodes <sean@starlabs.systems>
Signed-off-by: Patrick Rudolph <patrick.rudo...@9elements.com>
---
.../Include/Guid/SmmStoreInfoGuid.h | 27 ++++++++++++
.../Include/Library/SmmStoreParseLib.h | 29 +++++++++++++
.../Library/CbParseLib/CbParseLib.c | 43 +++++++++++++++++++
.../Library/SblParseLib/SblParseLib.c | 18 ++++++++
.../UefiPayloadEntry/UefiPayloadEntry.c | 13 ++++++
.../UefiPayloadEntry/UefiPayloadEntry.h | 2 +
.../UefiPayloadEntry/UefiPayloadEntry.inf | 1 +
UefiPayloadPkg/UefiPayloadPkg.dec | 2 +
8 files changed, 135 insertions(+)
create mode 100644 UefiPayloadPkg/Include/Guid/SmmStoreInfoGuid.h
create mode 100644 UefiPayloadPkg/Include/Library/SmmStoreParseLib.h
diff --git a/UefiPayloadPkg/Include/Guid/SmmStoreInfoGuid.h
b/UefiPayloadPkg/Include/Guid/SmmStoreInfoGuid.h
new file mode 100644
index 0000000000..d5dcb8218f
--- /dev/null
+++ b/UefiPayloadPkg/Include/Guid/SmmStoreInfoGuid.h
@@ -0,0 +1,27 @@
+/** @file
+ This file defines the hob structure for coreboot's SmmStore.
+
+ Copyright (c) 2022, 9elements GmbH<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef SMMSTORE_GUID_H_
+#define SMMSTORE_GUID_H_
+
+///
+/// System Table Information GUID
+///
+extern EFI_GUID gEfiSmmStoreInfoHobGuid;
+
+typedef struct {
+ UINT64 ComBuffer;
+ UINT32 ComBufferSize;
+ UINT32 NumBlocks;
+ UINT32 BlockSize;
+ UINT64 MmioAddress;
+ UINT8 ApmCmd;
+ UINT8 Reserved0[3];
+} SMMSTORE_INFO;
+
+#endif // SMMSTORE_GUID_H_
diff --git a/UefiPayloadPkg/Include/Library/SmmStoreParseLib.h
b/UefiPayloadPkg/Include/Library/SmmStoreParseLib.h
new file mode 100644
index 0000000000..0b5b8f8aba
--- /dev/null
+++ b/UefiPayloadPkg/Include/Library/SmmStoreParseLib.h
@@ -0,0 +1,29 @@
+/** @file
+ This library will parse the coreboot table in memory and extract those
required
+ information.
+
+ Copyright (c) 2021, Star Labs Systems. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef SMM_STORE_PARSE_LIB_H_
+#define SMM_STORE_PARSE_LIB_H_
+
+#include <Guid/SmmStoreInfoGuid.h>
+
+/**
+ Find the SmmStore HOB.
+
+ @param SmmStoreInfo Pointer to the SMMSTORE_INFO structure
+
+ @retval RETURN_SUCCESS Successfully find the Smm store buffer
information.
+ @retval RETURN_NOT_FOUND Failed to find the Smm store buffer information .
+**/
+RETURN_STATUS
+EFIAPI
+ParseSmmStoreInfo (
+ OUT SMMSTORE_INFO *SmmStoreInfo
+ );
+
+#endif // SMM_STORE_PARSE_LIB_H_
diff --git a/UefiPayloadPkg/Library/CbParseLib/CbParseLib.c
b/UefiPayloadPkg/Library/CbParseLib/CbParseLib.c
index 8a353f77f6..5c7efec3ec 100644
--- a/UefiPayloadPkg/Library/CbParseLib/CbParseLib.c
+++ b/UefiPayloadPkg/Library/CbParseLib/CbParseLib.c
@@ -14,6 +14,7 @@
#include <Library/PcdLib.h>
#include <Library/IoLib.h>
#include <Library/BlParseLib.h>
+#include <Library/SmmStoreParseLib.h>
#include <IndustryStandard/Acpi.h>
#include <Coreboot.h>
@@ -604,3 +605,45 @@ ParseMiscInfo (
{
return RETURN_SUCCESS;
}
+
+/**
+ Find the SmmStore HOB.
+
+ @param SmmStoreInfo Pointer to the SMMSTORE_INFO structure
+
+ @retval RETURN_SUCCESS Successfully find the Smm store buffer
information.
+ @retval RETURN_NOT_FOUND Failed to find the Smm store buffer information .
+**/
+RETURN_STATUS
+EFIAPI
+ParseSmmStoreInfo (
+ OUT SMMSTORE_INFO *SmmStoreInfo
+ )
+{
+ struct cb_smmstorev2 *CbSSRec;
+
+ if (SmmStoreInfo == NULL) {
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ CbSSRec = FindCbTag (CB_TAG_SMMSTOREV2);
+ if (CbSSRec == NULL) {
+ return RETURN_NOT_FOUND;
+ }
+
+ DEBUG ((DEBUG_INFO, "Found Smm Store information\n"));
+ DEBUG ((DEBUG_INFO, "block size: 0x%x\n", CbSSRec->block_size));
+ DEBUG ((DEBUG_INFO, "number of blocks: 0x%x\n", CbSSRec->num_blocks));
+ DEBUG ((DEBUG_INFO, "communication buffer: 0x%x\n", CbSSRec->com_buffer));
+ DEBUG ((DEBUG_INFO, "communication buffer size: 0x%x\n",
CbSSRec->com_buffer_size));
+ DEBUG ((DEBUG_INFO, "MMIO address of store: 0x%x\n", CbSSRec->mmap_addr));
+
+ SmmStoreInfo->ComBuffer = CbSSRec->com_buffer;
+ SmmStoreInfo->ComBufferSize = CbSSRec->com_buffer_size;
+ SmmStoreInfo->BlockSize = CbSSRec->block_size;
+ SmmStoreInfo->NumBlocks = CbSSRec->num_blocks;
+ SmmStoreInfo->MmioAddress = CbSSRec->mmap_addr;
+ SmmStoreInfo->ApmCmd = CbSSRec->apm_cmd;
+
+ return RETURN_SUCCESS;
+}
diff --git a/UefiPayloadPkg/Library/SblParseLib/SblParseLib.c
b/UefiPayloadPkg/Library/SblParseLib/SblParseLib.c
index d88238bfdc..6875fa9934 100644
--- a/UefiPayloadPkg/Library/SblParseLib/SblParseLib.c
+++ b/UefiPayloadPkg/Library/SblParseLib/SblParseLib.c
@@ -14,6 +14,7 @@
#include <Library/IoLib.h>
#include <Library/HobLib.h>
#include <Library/BlParseLib.h>
+#include <Library/SmmStoreParseLib.h>
#include <IndustryStandard/Acpi.h>
#include <UniversalPayload/PciRootBridges.h>
@@ -289,3 +290,20 @@ ParseMiscInfo (
return Status;
}
+
+/**
+ Find the SmmStore HOB.
+
+ @param SmmStoreInfo Pointer to the SMMSTORE_INFO structure
+
+ @retval RETURN_SUCCESS Successfully find the Smm store buffer
information.
+ @retval RETURN_NOT_FOUND Failed to find the Smm store buffer information .
+**/
+RETURN_STATUS
+EFIAPI
+ParseSmmStoreInfo (
+ OUT SMMSTORE_INFO *SmmStoreInfo
+ )
+{
+ return RETURN_NOT_FOUND;
+}
diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
index 780348eadf..7f37283515 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
+++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
@@ -259,6 +259,8 @@ BuildHobFromBl (
{
EFI_STATUS Status;
ACPI_BOARD_INFO *AcpiBoardInfo;
+ SMMSTORE_INFO SmmStoreInfo;
+ SMMSTORE_INFO *NewSmmStoreInfo;
EFI_PEI_GRAPHICS_INFO_HOB GfxInfo;
EFI_PEI_GRAPHICS_INFO_HOB *NewGfxInfo;
EFI_PEI_GRAPHICS_DEVICE_INFO_HOB GfxDeviceInfo;
@@ -305,6 +307,17 @@ BuildHobFromBl (
DEBUG ((DEBUG_INFO, "Created graphics device info hob\n"));
}
+ //
+ // Create guid hob for SmmStore
+ //
+ Status = ParseSmmStoreInfo (&SmmStoreInfo);
+ if (!EFI_ERROR (Status)) {
+ NewSmmStoreInfo = BuildGuidHob (&gEfiSmmStoreInfoHobGuid, sizeof
(SmmStoreInfo));
+ ASSERT (NewSmmStoreInfo != NULL);
+ CopyMem (NewSmmStoreInfo, &SmmStoreInfo, sizeof (SmmStoreInfo));
+ DEBUG ((DEBUG_INFO, "Created SmmStore info hob\n"));
+ }
+
//
// Creat SmBios table Hob
//
diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
index 56e0a4c639..037ebbda36 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
+++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
@@ -22,6 +22,7 @@
#include <Library/IoLib.h>
#include <Library/PeCoffLib.h>
#include <Library/BlParseLib.h>
+#include <Library/SmmStoreParseLib.h>
#include <Library/PlatformSupportLib.h>
#include <Library/UefiCpuLib.h>
#include <IndustryStandard/Acpi.h>
@@ -36,6 +37,7 @@
#include <UniversalPayload/ExtraData.h>
#include <UniversalPayload/SerialPortInfo.h>
#include <Guid/PcdDataBaseSignatureGuid.h>
+#include <Guid/SmmStoreInfoGuid.h>
#define LEGACY_8259_MASK_REGISTER_MASTER 0x21
#define LEGACY_8259_MASK_REGISTER_SLAVE 0xA1
diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf
b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf
index c4e4339ede..6dcd6d956d 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf
+++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf
@@ -65,6 +65,7 @@
gUniversalPayloadSmbiosTableGuid
gUniversalPayloadAcpiTableGuid
gUniversalPayloadSerialPortInfoGuid
+ gEfiSmmStoreInfoHobGuid
[FeaturePcd.IA32]
gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode ## CONSUMES
diff --git a/UefiPayloadPkg/UefiPayloadPkg.dec
b/UefiPayloadPkg/UefiPayloadPkg.dec
index 4051172caf..fcf62dd8c8 100644
--- a/UefiPayloadPkg/UefiPayloadPkg.dec
+++ b/UefiPayloadPkg/UefiPayloadPkg.dec
@@ -42,6 +42,8 @@
gSmmRegisterInfoGuid = { 0xaa9bd7a7, 0xcafb, 0x4499, { 0xa4, 0xa9, 0xb,
0x34, 0x6b, 0x40, 0xa6, 0x22 } }
gS3CommunicationGuid = { 0x88e31ba1, 0x1856, 0x4b8b, { 0xbb, 0xdf, 0xf8,
0x16, 0xdd, 0x94, 0xa, 0xef } }
+ gEfiSmmStoreInfoHobGuid = { 0xf585ca19, 0x881b, 0x44fb, { 0x3f, 0x3d, 0x81,
0x89, 0x7c, 0x57, 0xbb, 0x01 } }
+
[Ppis]
gEfiPayLoadHobBasePpiGuid = { 0xdbe23aa1, 0xa342, 0x4b97, {0x85, 0xb6, 0xb2,
0x26, 0xf1, 0x61, 0x73, 0x89} }
--
2.32.0
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