diff options
Diffstat (limited to 'Tools/CCode/Source/GenAcpiTable/GenAcpiTable.c')
| -rw-r--r-- | Tools/CCode/Source/GenAcpiTable/GenAcpiTable.c | 544 |
1 files changed, 544 insertions, 0 deletions
diff --git a/Tools/CCode/Source/GenAcpiTable/GenAcpiTable.c b/Tools/CCode/Source/GenAcpiTable/GenAcpiTable.c new file mode 100644 index 0000000000..7a413eacb0 --- /dev/null +++ b/Tools/CCode/Source/GenAcpiTable/GenAcpiTable.c @@ -0,0 +1,544 @@ +/*++
+
+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:
+
+ GenAcpiTable.c
+
+Abstract:
+
+ A utility that extracts the .DATA section from a PE/COFF image.
+
+--*/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <Common/UefiBaseTypes.h>
+#include <Common/EfiImage.h> // for PE32 structure definitions
+
+#include "CommonLib.h"
+#include "EfiUtilityMsgs.h"
+
+//
+// Version of this utility
+//
+#define UTILITY_NAME "GenAcpiTable"
+#define UTILITY_VERSION "v0.11"
+
+//
+// Define the max length of a filename
+//
+#define MAX_PATH 256
+#define DEFAULT_OUTPUT_EXTENSION ".acpi"
+
+//
+// Use this to track our command-line options and globals
+//
+struct {
+ INT8 OutFileName[MAX_PATH];
+ INT8 InFileName[MAX_PATH];
+} mOptions;
+
+//
+// Use these to convert from machine type value to a named type
+//
+typedef struct {
+ UINT16 Value;
+ INT8 *Name;
+} STRING_LOOKUP;
+
+static STRING_LOOKUP mMachineTypes[] = {
+ EFI_IMAGE_MACHINE_IA32,
+ "IA32",
+ EFI_IMAGE_MACHINE_IA64,
+ "IA64",
+ EFI_IMAGE_MACHINE_EBC,
+ "EBC",
+ 0,
+ NULL
+};
+
+static STRING_LOOKUP mSubsystemTypes[] = {
+ EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION,
+ "EFI application",
+ EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER,
+ "EFI boot service driver",
+ EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER,
+ "EFI runtime driver",
+ 0,
+ NULL
+};
+//
+// Function prototypes
+//
+static
+void
+Usage (
+ VOID
+ );
+
+static
+STATUS
+ParseCommandLine (
+ int Argc,
+ char *Argv[]
+ );
+
+static
+STATUS
+CheckPE32File (
+ INT8 *FileName,
+ FILE *Fptr,
+ UINT16 *MachineType,
+ UINT16 *SubSystem
+ );
+
+static
+STATUS
+ProcessFile (
+ INT8 *InFileName,
+ INT8 *OutFileName
+ );
+
+static
+void
+DumpImage (
+ INT8 *FileName
+ );
+
+main (
+ int Argc,
+ char *Argv[]
+ )
+/*++
+
+Routine Description:
+
+
+Arguments:
+
+ Argc - standard C main() argument count
+
+ Argv - standard C main() argument list
+
+Returns:
+
+ 0 success
+ non-zero otherwise
+
+--*/
+// GC_TODO: ] - add argument and description to function comment
+{
+ UINT32 Status;
+
+ SetUtilityName (UTILITY_NAME);
+ //
+ // Parse the command line arguments
+ //
+ if (ParseCommandLine (Argc, Argv)) {
+ return STATUS_ERROR;
+ }
+ //
+ // Make sure we don't have the same filename for input and output files
+ //
+ if (stricmp (mOptions.OutFileName, mOptions.InFileName) == 0) {
+ Error (NULL, 0, 0, mOptions.OutFileName, "input and output file names must be different");
+ goto Finish;
+ }
+ //
+ // Process the file
+ //
+ ProcessFile (mOptions.InFileName, mOptions.OutFileName);
+Finish:
+ Status = GetUtilityStatus ();
+ return Status;
+}
+
+static
+STATUS
+ProcessFile (
+ INT8 *InFileName,
+ INT8 *OutFileName
+ )
+/*++
+
+Routine Description:
+
+ Process a PE32 EFI file.
+
+Arguments:
+
+ InFileName - Name of the PE32 EFI file to process.
+ OutFileName - Name of the output file for the processed data.
+
+Returns:
+
+ 0 - successful
+
+--*/
+{
+ STATUS Status;
+ UINTN Index;
+ FILE *InFptr;
+ FILE *OutFptr;
+ UINT16 MachineType;
+ UINT16 SubSystem;
+ UINT32 PESigOffset;
+ EFI_IMAGE_FILE_HEADER FileHeader;
+ EFI_IMAGE_OPTIONAL_HEADER32 OptionalHeader32;
+ EFI_IMAGE_OPTIONAL_HEADER64 OptionalHeader64;
+ EFI_IMAGE_SECTION_HEADER SectionHeader;
+ UINT8 *Buffer;
+ long SaveFilePosition;
+
+ InFptr = NULL;
+ OutFptr = NULL;
+ Buffer = NULL;
+ Status = STATUS_ERROR;
+ //
+ // Try to open the input file
+ //
+ if ((InFptr = fopen (InFileName, "rb")) == NULL) {
+ Error (NULL, 0, 0, InFileName, "failed to open input file for reading");
+ return STATUS_ERROR;
+ }
+ //
+ // Double-check the file to make sure it's what we expect it to be
+ //
+ if (CheckPE32File (InFileName, InFptr, &MachineType, &SubSystem) != STATUS_SUCCESS) {
+ goto Finish;
+ }
+ //
+ // Per the PE/COFF specification, at offset 0x3C in the file is a 32-bit
+ // offset (from the start of the file) to the PE signature, which always
+ // follows the MSDOS stub. The PE signature is immediately followed by the
+ // COFF file header.
+ //
+ //
+ if (fseek (InFptr, 0x3C, SEEK_SET) != 0) {
+ Error (NULL, 0, 0, InFileName, "failed to seek to PE signature in file", NULL);
+ goto Finish;
+ }
+
+ if (fread (&PESigOffset, sizeof (PESigOffset), 1, InFptr) != 1) {
+ Error (NULL, 0, 0, InFileName, "failed to read PE signature offset from file");
+ goto Finish;
+ }
+
+ if (fseek (InFptr, PESigOffset + 4, SEEK_SET) != 0) {
+ Error (NULL, 0, 0, InFileName, "failed to seek to PE signature");
+ goto Finish;
+ }
+ //
+ // We should now be at the COFF file header. Read it in and verify it's
+ // of an image type we support.
+ //
+ if (fread (&FileHeader, sizeof (EFI_IMAGE_FILE_HEADER), 1, InFptr) != 1) {
+ Error (NULL, 0, 0, InFileName, "failed to read file header from image");
+ goto Finish;
+ }
+
+ if ((FileHeader.Machine != EFI_IMAGE_MACHINE_IA32) && (FileHeader.Machine != EFI_IMAGE_MACHINE_IA64) && (FileHeader.Machine != EFI_IMAGE_MACHINE_X64)) {
+ Error (NULL, 0, 0, InFileName, "image is of an unsupported machine type 0x%X", (UINT32) FileHeader.Machine);
+ goto Finish;
+ }
+ //
+ // Read in the optional header. Assume PE32, and if not, then re-read as PE32+
+ //
+ SaveFilePosition = ftell (InFptr);
+ if (fread (&OptionalHeader32, sizeof (EFI_IMAGE_OPTIONAL_HEADER32), 1, InFptr) != 1) {
+ Error (NULL, 0, 0, InFileName, "failed to read optional header from input file");
+ goto Finish;
+ }
+
+ if (OptionalHeader32.Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {
+ if (fseek (InFptr, SaveFilePosition, SEEK_SET) != 0) {
+ Error (NULL, 0, 0, InFileName, "failed to seek to .data section");
+ goto Finish;
+ }
+
+ if (fread (&OptionalHeader64, sizeof (EFI_IMAGE_OPTIONAL_HEADER64), 1, InFptr) != 1) {
+ Error (NULL, 0, 0, InFileName, "failed to read optional header from input file");
+ goto Finish;
+ }
+ }
+ //
+ // Search for the ".data" section
+ //
+ for (Index = 0; Index < FileHeader.NumberOfSections; Index++) {
+ if (fread (&SectionHeader, sizeof (EFI_IMAGE_SECTION_HEADER), 1, InFptr) != 1) {
+ Error (NULL, 0, 0, InFileName, "failed to read optional header from input file");
+ goto Finish;
+ }
+
+ if (strcmp (SectionHeader.Name, ".data") == 0) {
+ if (fseek (InFptr, SectionHeader.PointerToRawData, SEEK_SET) != 0) {
+ Error (NULL, 0, 0, InFileName, "failed to seek to .data section");
+ goto Finish;
+ }
+
+ Buffer = (UINT8 *) malloc (SectionHeader.Misc.VirtualSize);
+ if (Buffer == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Finish;
+ }
+ if (fread (Buffer, SectionHeader.Misc.VirtualSize, 1, InFptr) != 1) {
+ Error (NULL, 0, 0, InFileName, "failed to .data section");
+ goto Finish;
+ }
+ //
+ // Now open our output file
+ //
+ if ((OutFptr = fopen (OutFileName, "wb")) == NULL) {
+ Error (NULL, 0, 0, OutFileName, "failed to open output file for writing");
+ goto Finish;
+ }
+
+ if (fwrite (Buffer, SectionHeader.Misc.VirtualSize, 1, OutFptr) != 1) {
+ Error (NULL, 0, 0, OutFileName, "failed to write .data section");
+ goto Finish;
+ }
+
+ Status = STATUS_SUCCESS;
+ goto Finish;
+ }
+ }
+
+ Status = STATUS_ERROR;
+
+Finish:
+ if (InFptr != NULL) {
+ fclose (InFptr);
+ }
+ //
+ // Close the output file. If there was an error, delete the output file so
+ // that a subsequent build will rebuild it.
+ //
+ if (OutFptr != NULL) {
+ fclose (OutFptr);
+ if (GetUtilityStatus () == STATUS_ERROR) {
+ remove (OutFileName);
+ }
+ }
+
+ //
+ // Free up our buffer
+ //
+ if (Buffer != NULL) {
+ free (Buffer);
+ }
+
+ return Status;
+}
+
+static
+STATUS
+CheckPE32File (
+ INT8 *FileName,
+ FILE *Fptr,
+ UINT16 *MachineType,
+ UINT16 *SubSystem
+ )
+/*++
+
+Routine Description:
+
+ GC_TODO: Add function description
+
+Arguments:
+
+ FileName - GC_TODO: add argument description
+ Fptr - GC_TODO: add argument description
+ MachineType - GC_TODO: add argument description
+ SubSystem - GC_TODO: add argument description
+
+Returns:
+
+ GC_TODO: add return values
+
+--*/
+{
+ /*++
+
+Routine Description:
+
+ Given a file pointer to a supposed PE32 image file, verify that it is indeed a
+ PE32 image file, and then return the machine type in the supplied pointer.
+
+Arguments:
+
+ Fptr File pointer to the already-opened PE32 file
+ MachineType Location to stuff the machine type of the PE32 file. This is needed
+ because the image may be Itanium-based, IA32, or EBC.
+
+Returns:
+
+ 0 success
+ non-zero otherwise
+
+--*/
+ EFI_IMAGE_DOS_HEADER DosHeader;
+ EFI_IMAGE_FILE_HEADER FileHdr;
+ EFI_IMAGE_OPTIONAL_HEADER OptionalHdr;
+ UINT32 PESig;
+ STATUS Status;
+
+ Status = STATUS_ERROR;
+ //
+ // Position to the start of the file
+ //
+ fseek (Fptr, 0, SEEK_SET);
+ //
+ // Read the DOS header
+ //
+ if (fread (&DosHeader, sizeof (DosHeader), 1, Fptr) != 1) {
+ Error (NULL, 0, 0, FileName, "failed to read the DOS stub from the input file");
+ goto Finish;
+ }
+ //
+ // Check the magic number (0x5A4D)
+ //
+ if (DosHeader.e_magic != EFI_IMAGE_DOS_SIGNATURE) {
+ Error (NULL, 0, 0, FileName, "input file does not appear to be a PE32 image (magic number)");
+ goto Finish;
+ }
+ //
+ // Position into the file and check the PE signature
+ //
+ fseek (Fptr, (long) DosHeader.e_lfanew, SEEK_SET);
+ if (fread (&PESig, sizeof (PESig), 1, Fptr) != 1) {
+ Error (NULL, 0, 0, FileName, "failed to read PE signature bytes");
+ goto Finish;
+ }
+ //
+ // Check the PE signature in the header "PE\0\0"
+ //
+ if (PESig != EFI_IMAGE_NT_SIGNATURE) {
+ Error (NULL, 0, 0, FileName, "file does not appear to be a PE32 image (signature)");
+ goto Finish;
+ }
+ //
+ // Read the file header
+ //
+ if (fread (&FileHdr, sizeof (FileHdr), 1, Fptr) != 1) {
+ Error (NULL, 0, 0, FileName, "failed to read PE file header from input file");
+ goto Finish;
+ }
+ //
+ // Read the optional header so we can get the subsystem
+ //
+ if (fread (&OptionalHdr, sizeof (OptionalHdr), 1, Fptr) != 1) {
+ Error (NULL, 0, 0, FileName, "failed to read COFF optional header from input file");
+ goto Finish;
+ }
+
+ *SubSystem = OptionalHdr.Subsystem;
+ //
+ // Good to go
+ //
+ Status = STATUS_SUCCESS;
+Finish:
+ fseek (Fptr, 0, SEEK_SET);
+ return Status;
+}
+
+static
+int
+ParseCommandLine (
+ int Argc,
+ char *Argv[]
+ )
+/*++
+
+Routine Description:
+
+ Given the Argc/Argv program arguments, and a pointer to an options structure,
+ parse the command-line options and check their validity.
+
+
+Arguments:
+
+ Argc - standard C main() argument count
+ Argv - standard C main() argument list
+
+Returns:
+
+ STATUS_SUCCESS success
+ non-zero otherwise
+
+--*/
+// GC_TODO: ] - add argument and description to function comment
+{
+ //
+ // Clear out the options
+ //
+ memset ((char *) &mOptions, 0, sizeof (mOptions));
+ //
+ // Skip over the program name
+ //
+ Argc--;
+ Argv++;
+
+ if (Argc != 2) {
+ Usage ();
+ return STATUS_ERROR;
+ }
+
+ strcpy (mOptions.InFileName, Argv[0]);
+ //
+ // Next argument
+ //
+ Argv++;
+ Argc--;
+
+ strcpy (mOptions.OutFileName, Argv[0]);
+
+ return STATUS_SUCCESS;
+}
+
+static
+void
+Usage (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Print usage information for this utility.
+
+Arguments:
+
+ None.
+
+Returns:
+
+ Nothing.
+
+--*/
+{
+ int Index;
+ static const char *Msg[] = {
+ UTILITY_NAME " version "UTILITY_VERSION " - Generate ACPI Table image utility",
+ " Generate an ACPI Table image from an EFI PE32 image",
+ " Usage: "UTILITY_NAME " InFileName OutFileName",
+ " where:",
+ " InFileName - name of the input PE32 file",
+ " OutFileName - to write output to OutFileName rather than InFileName"DEFAULT_OUTPUT_EXTENSION,
+ "",
+ NULL
+ };
+ for (Index = 0; Msg[Index] != NULL; Index++) {
+ fprintf (stdout, "%s\n", Msg[Index]);
+ }
+}
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