diff options
Diffstat (limited to 'Tools/CCode/Source/FlashMap/Microcode.c')
| -rw-r--r-- | Tools/CCode/Source/FlashMap/Microcode.c | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/Tools/CCode/Source/FlashMap/Microcode.c b/Tools/CCode/Source/FlashMap/Microcode.c deleted file mode 100644 index 84534e316f..0000000000 --- a/Tools/CCode/Source/FlashMap/Microcode.c +++ /dev/null @@ -1,334 +0,0 @@ -/*++
-
-Copyright (c) 2004-2006 Intel Corporation. All rights reserved
-This program and the accompanying materials are licensed and made available
-under the terms and conditions of the BSD License which accompanies this
-distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- Microcode.c
-
-Abstract:
-
- Utility for working with microcode patch files in the Intel
- Platform Innovation Framework for EFI build environment.
-
---*/
-
-#include <stdio.h>
-#include <string.h> // for memset()
-#include <ctype.h>
-#include <stdlib.h> // for malloc()
-
-#include "EfiUtilityMsgs.h"
-#include "Microcode.h"
-
-#define MAX_LINE_LEN 256
-
-#define STATUS_IGNORE 0xA
-
-//
-// Structure definition for a microcode header
-//
-typedef struct {
- unsigned int HeaderVersion;
- unsigned int PatchId;
- unsigned int Date;
- unsigned int CpuId;
- unsigned int Checksum;
- unsigned int LoaderVersion;
- unsigned int PlatformId;
- unsigned int DataSize; // if 0, then TotalSize = 2048, and TotalSize field is invalid
- unsigned int TotalSize; // number of bytes
- unsigned int Reserved[3];
-} MICROCODE_IMAGE_HEADER;
-
-static
-STATUS
-MicrocodeReadData (
- FILE *InFptr,
- unsigned int *Data
- );
-
-void
-MicrocodeConstructor (
- void
- )
-/*++
-
-Routine Description:
-
- Constructor of module Microcode
-
-Arguments:
-
- None
-
-Returns:
-
- None
-
---*/
-{
-}
-
-void
-MicrocodeDestructor (
- void
- )
-/*++
-
-Routine Description:
-
- Destructor of module Microcode
-
-Arguments:
-
- None
-
-Returns:
-
- None
-
---*/
-{
-}
-
-static
-STATUS
-MicrocodeReadData (
- FILE *InFptr,
- unsigned int *Data
- )
-/*++
-
-Routine Description:
- Read a 32-bit microcode data value from a text file and convert to raw binary form.
-
-Arguments:
- InFptr - file pointer to input text file
- Data - pointer to where to return the data parsed
-
-Returns:
- STATUS_SUCCESS - no errors or warnings, Data contains valid information
- STATUS_ERROR - errors were encountered
-
---*/
-{
- char Line[MAX_LINE_LEN];
- char *cptr;
- unsigned int ctr;
-
- Line[MAX_LINE_LEN - 1] = 0;
- *Data = 0;
- if (fgets (Line, MAX_LINE_LEN, InFptr) == NULL) {
- return STATUS_ERROR;
- }
- //
- // If it was a binary file, then it may have overwritten our null terminator
- //
- if (Line[MAX_LINE_LEN - 1] != 0) {
- return STATUS_ERROR;
- }
-
- // Strip leading white-space characters (except carriage returns) from Line
- //
- if (isspace(Line[0]) && Line[0] != '\n') {
- while (isspace(Line[0])) {
- for (ctr = 0; ctr < strlen(Line); ctr++)
- if (Line[ctr] != '\n')
- Line[ctr] = Line[ctr + 1];
- }
- }
-
- //
- // Look for
- // dd 000000001h ; comment
- // dd XXXXXXXX
- // DD XXXXXXXXX
- // DD XXXXXXXXX
- //
- for (cptr = Line; *cptr && isspace(*cptr); cptr++) {
- }
- if ((tolower(cptr[0]) == 'd') && (tolower(cptr[1]) == 'd') && isspace (cptr[2])) {
- //
- // Skip blanks and look for a hex digit
- //
- cptr += 3;
- for (; *cptr && isspace(*cptr); cptr++) {
- }
- if (isxdigit (*cptr)) {
- if (sscanf (cptr, "%X", Data) != 1) {
- return STATUS_ERROR;
- }
- }
- return STATUS_SUCCESS;
- }
- if (strlen(Line) == 1) {
- return STATUS_IGNORE;
- }
- if (tolower(cptr[0]) == ';') {
- return STATUS_IGNORE;
- }
- return STATUS_ERROR;
-}
-
-STATUS
-MicrocodeParseFile (
- char *InFileName,
- char *OutFileName
- )
-/*++
-
-Routine Description:
- Parse a microcode text file, and write the binary results to an output file.
-
-Arguments:
- InFileName - input text file to parse
- OutFileName - output file to write raw binary data from parsed input file
-
-Returns:
- STATUS_SUCCESS - no errors or warnings
- STATUS_ERROR - errors were encountered
-
---*/
-{
- FILE *InFptr;
- FILE *OutFptr;
- STATUS Status;
- MICROCODE_IMAGE_HEADER *Header;
- unsigned int Size;
- unsigned int Size2;
- unsigned int Data;
- unsigned int Checksum;
- char *Buffer;
- char *Ptr;
- char *OrigPtr;
- unsigned int TotalSize;
-
- Status = STATUS_ERROR;
- InFptr = NULL;
- OutFptr = NULL;
- Buffer = NULL;
- //
- // Open the input text file
- //
- if ((InFptr = fopen (InFileName, "r")) == NULL) {
- Error (NULL, 0, 0, InFileName, "failed to open input microcode file for reading");
- return STATUS_ERROR;
- }
- //
- // Make two passes on the input file. The first pass is to determine how
- // much data is in the file so we can allocate a working buffer. Then
- // we'll allocate a buffer and re-read the file into the buffer for processing.
- //
- Size = 0;
- do {
- Status = MicrocodeReadData (InFptr, &Data);
- if (Status == STATUS_SUCCESS) {
- Size += sizeof (Data);
- }
- if (Status == STATUS_IGNORE) {
- Status = STATUS_SUCCESS;
- }
- } while (Status == STATUS_SUCCESS);
- //
- // Error if no data.
- //
- if (Size == 0) {
- Error (NULL, 0, 0, InFileName, "no parse-able data found in file");
- goto Done;
- }
- if (Size < sizeof (MICROCODE_IMAGE_HEADER)) {
- Error (NULL, 0, 0, InFileName, "amount of parse-able data is insufficient to contain a microcode header");
- goto Done;
- }
- //
- // Allocate a buffer for the data
- //
- Buffer = (char *) _malloc (Size);
- if (Buffer == NULL) {
- Error (NULL, 0, 0, "memory allocation failure", NULL);
- goto Done;
- }
- //
- // Re-read the file, storing the data into our buffer
- //
- fseek (InFptr, 0, SEEK_SET);
- Ptr = Buffer;
- OrigPtr = Ptr;
- do {
- OrigPtr = Ptr;
- Status = MicrocodeReadData (InFptr, &Data);
- if (Status == STATUS_SUCCESS) {
- *(unsigned int *) Ptr = Data;
- Ptr += sizeof (Data);
- }
- if (Status == STATUS_IGNORE) {
- Ptr = OrigPtr;
- Status = STATUS_SUCCESS;
- }
- } while (Status == STATUS_SUCCESS);
- //
- // Can't do much checking on the header because, per the spec, the
- // DataSize field may be 0, which means DataSize = 2000 and TotalSize = 2K,
- // and the TotalSize field is invalid (actually missing). Thus we can't
- // even verify the Reserved fields are 0.
- //
- Header = (MICROCODE_IMAGE_HEADER *) Buffer;
- if (Header->DataSize == 0) {
- TotalSize = 2048;
- } else {
- TotalSize = Header->TotalSize;
- }
- if (TotalSize != Size) {
- Error (NULL, 0, 0, InFileName, "file contents do not contain expected TotalSize 0x%04X", TotalSize);
- goto Done;
- }
- //
- // Checksum the contents
- //
- Ptr = Buffer;
- Checksum = 0;
- Size2 = 0;
- while (Size2 < Size) {
- Checksum += *(unsigned int *) Ptr;
- Ptr += 4;
- Size2 += 4;
- }
- if (Checksum != 0) {
- Error (NULL, 0, 0, InFileName, "checksum failed on file contents");
- goto Done;
- }
- //
- // Open the output file and write the buffer contents
- //
- if ((OutFptr = fopen (OutFileName, "wb")) == NULL) {
- Error (NULL, 0, 0, OutFileName, "failed to open output microcode file for writing");
- goto Done;
- }
- if (fwrite (Buffer, Size, 1, OutFptr) != 1) {
- Error (NULL, 0, 0, OutFileName, "failed to write microcode data to output file");
- goto Done;
- }
- Status = STATUS_SUCCESS;
-Done:
- if (Buffer != NULL) {
- free (Buffer);
- }
- if (InFptr != NULL) {
- fclose (InFptr);
- }
- if (OutFptr != NULL) {
- fclose (OutFptr);
- if (Status == STATUS_ERROR) {
- remove (OutFileName);
- }
- }
- return Status;
-}
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