diff options
Diffstat (limited to 'BaseTools/Source/C/GenFv/GenFvInternalLib.c')
| -rw-r--r-- | BaseTools/Source/C/GenFv/GenFvInternalLib.c | 128 |
1 files changed, 125 insertions, 3 deletions
diff --git a/BaseTools/Source/C/GenFv/GenFvInternalLib.c b/BaseTools/Source/C/GenFv/GenFvInternalLib.c index daebfe894c..d29a891c9c 100644 --- a/BaseTools/Source/C/GenFv/GenFvInternalLib.c +++ b/BaseTools/Source/C/GenFv/GenFvInternalLib.c @@ -4,6 +4,7 @@ This file contains the internal functions required to generate a Firmware Volume Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
Portions Copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
Portions Copyright (c) 2016 HP Development Company, L.P.<BR>
+Portions Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -37,6 +38,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #define ARM64_UNCONDITIONAL_JUMP_INSTRUCTION 0x14000000
BOOLEAN mArm = FALSE;
+BOOLEAN mRiscV = FALSE;
STATIC UINT32 MaxFfsAlignment = 0;
BOOLEAN VtfFileFlag = FALSE;
@@ -2292,6 +2294,104 @@ Returns: }
EFI_STATUS
+UpdateRiscvResetVectorIfNeeded (
+ MEMORY_FILE *FvImage,
+ FV_INFO *FvInfo
+ )
+/*++
+
+Routine Description:
+ This parses the FV looking for SEC and patches that address into the
+ beginning of the FV header.
+
+ For RISC-V ISA, the reset vector is at 0xfff~ff00h or 200h
+
+Arguments:
+ FvImage Memory file for the FV memory image/
+ FvInfo Information read from INF file.
+
+Returns:
+
+ EFI_SUCCESS Function Completed successfully.
+ EFI_ABORTED Error encountered.
+ EFI_INVALID_PARAMETER A required parameter was NULL.
+ EFI_NOT_FOUND PEI Core file not found.
+
+--*/
+{
+ EFI_STATUS Status;
+ UINT16 MachineType;
+ EFI_FILE_SECTION_POINTER SecPe32;
+ EFI_PHYSICAL_ADDRESS SecCoreEntryAddress;
+
+ UINT32 bSecCore;
+ UINT32 tmp;
+
+
+ //
+ // Verify input parameters
+ //
+ if (FvImage == NULL || FvInfo == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+ //
+ // Initialize FV library
+ //
+ InitializeFvLib (FvImage->FileImage, FvInfo->Size);
+
+ //
+ // Find the Sec Core
+ //
+ Status = FindCorePeSection(FvImage->FileImage, FvInfo->Size, EFI_FV_FILETYPE_SECURITY_CORE, &SecPe32);
+ if(EFI_ERROR(Status)) {
+ printf("skip because Secutiry Core not found\n");
+ return EFI_SUCCESS;
+ }
+
+ DebugMsg (NULL, 0, 9, "Update SEC core in FV Header", NULL);
+
+ Status = GetCoreMachineType(SecPe32, &MachineType);
+ if(EFI_ERROR(Status)) {
+ Error(NULL, 0, 3000, "Invalid", "Could not get the PE32 machine type for SEC core.");
+ return EFI_ABORTED;
+ }
+
+ if (MachineType != EFI_IMAGE_MACHINE_RISCV64) {
+ Error(NULL, 0, 3000, "Invalid", "Could not update SEC core because Machine type is not RiscV.");
+ return EFI_ABORTED;
+ }
+
+ Status = GetCoreEntryPointAddress(FvImage->FileImage, FvInfo, SecPe32, &SecCoreEntryAddress);
+ if(EFI_ERROR(Status)) {
+ Error(NULL, 0, 3000, "Invalid", "Could not get the PE32 entry point address for SEC Core.");
+ return EFI_ABORTED;
+ }
+
+ VerboseMsg("SecCore entry point Address = 0x%llX", (unsigned long long) SecCoreEntryAddress);
+ VerboseMsg("BaseAddress = 0x%llX", (unsigned long long) FvInfo->BaseAddress);
+ bSecCore = (UINT32)(SecCoreEntryAddress - FvInfo->BaseAddress);
+ VerboseMsg("offset = 0x%llX", bSecCore);
+
+ if(bSecCore > 0x0fffff) {
+ Error(NULL, 0, 3000, "Invalid", "SEC Entry point must be within 1MB of start of the FV");
+ return EFI_ABORTED;
+ }
+
+ tmp = bSecCore;
+ bSecCore = 0;
+ //J-type
+ bSecCore = (tmp&0x100000)<<11; //imm[20] at bit[31]
+ bSecCore |= (tmp&0x0007FE)<<20; //imm[10:1] at bit[30:21]
+ bSecCore |= (tmp&0x000800)<<9; //imm[11] at bit[20]
+ bSecCore |= (tmp&0x0FF000); //imm[19:12] at bit[19:12]
+ bSecCore |= 0x6F; //JAL opcode
+
+ memcpy(FvImage->FileImage, &bSecCore, sizeof(bSecCore));
+
+ return EFI_SUCCESS;
+}
+
+EFI_STATUS
GetPe32Info (
IN UINT8 *Pe32,
OUT UINT32 *EntryPoint,
@@ -2383,7 +2483,8 @@ Returns: // Verify machine type is supported
//
if ((*MachineType != EFI_IMAGE_MACHINE_IA32) && (*MachineType != EFI_IMAGE_MACHINE_X64) && (*MachineType != EFI_IMAGE_MACHINE_EBC) &&
- (*MachineType != EFI_IMAGE_MACHINE_ARMT) && (*MachineType != EFI_IMAGE_MACHINE_AARCH64)) {
+ (*MachineType != EFI_IMAGE_MACHINE_ARMT) && (*MachineType != EFI_IMAGE_MACHINE_AARCH64) &&
+ (*MachineType != EFI_IMAGE_MACHINE_RISCV64)) {
Error (NULL, 0, 3000, "Invalid", "Unrecognized machine type in the PE32 file.");
return EFI_UNSUPPORTED;
}
@@ -2826,7 +2927,8 @@ Returns: Error (NULL, 0, 4002, "Resource", "FV space is full, cannot add pad file between the last file and the VTF file.");
goto Finish;
}
- if (!mArm) {
+
+ if (!mArm && !mRiscV) {
//
// Update reset vector (SALE_ENTRY for IPF)
// Now for IA32 and IA64 platform, the fv which has bsf file must have the
@@ -2861,6 +2963,22 @@ Returns: FvHeader->Checksum = CalculateChecksum16 ((UINT16 *) FvHeader, FvHeader->HeaderLength / sizeof (UINT16));
}
+ if (mRiscV) {
+ //
+ // Update RISCV reset vector.
+ //
+ Status = UpdateRiscvResetVectorIfNeeded (&FvImageMemoryFile, &mFvDataInfo);
+ if (EFI_ERROR (Status)) {
+ Error (NULL, 0, 3000, "Invalid", "Could not update the reset vector for RISC-V.");
+ goto Finish;
+ }
+ //
+ // Update Checksum for FvHeader
+ //
+ FvHeader->Checksum = 0;
+ FvHeader->Checksum = CalculateChecksum16 ((UINT16 *) FvHeader, FvHeader->HeaderLength / sizeof (UINT16));
+ }
+
//
// Update FV Alignment attribute to the largest alignment of all the FFS files in the FV
//
@@ -3448,6 +3566,10 @@ Returns: mArm = TRUE;
}
+ if (ImageContext.Machine == EFI_IMAGE_MACHINE_RISCV64) {
+ mRiscV = TRUE;
+ }
+
//
// Keep Image Context for PE image in FV
//
@@ -3601,7 +3723,7 @@ Returns: ImageContext.DestinationAddress = NewPe32BaseAddress;
Status = PeCoffLoaderRelocateImage (&ImageContext);
if (EFI_ERROR (Status)) {
- Error (NULL, 0, 3000, "Invalid", "RelocateImage() call failed on rebase of %s", FileName);
+ Error (NULL, 0, 3000, "Invalid", "RelocateImage() call failed on rebase of %s Status=%d", FileName, Status);
free ((VOID *) MemoryImagePointer);
return Status;
}
|