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UefiPayloadPkg: Add SmmStoreInfoGuid

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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.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Maurice Ma <maurice.ma@intel.com>
Cc: Benjamin You <benjamin.you@intel.com>
Cc: Sean Rhodes <sean@starlabs.systems>
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Change-Id: Ia3f7eef27d4758768c1a6736afe1cb77ee6a2f8f
This commit is contained in:
Patrick Rudolph
2022-02-25 11:58:59 +01:00
committed by Tim Crawford
parent bb19b4bc30
commit 13dd54ae32
8 changed files with 135 additions and 0 deletions
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43
UefiPayloadPkg/Library/CbParseLib/CbParseLib.c
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@@ -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;
}