diff options
Diffstat (limited to 'sysutils/devcpu-data/files/ucode-tool.c')
| -rw-r--r-- | sysutils/devcpu-data/files/ucode-tool.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/sysutils/devcpu-data/files/ucode-tool.c b/sysutils/devcpu-data/files/ucode-tool.c deleted file mode 100644 index a45265ba91d0..000000000000 --- a/sysutils/devcpu-data/files/ucode-tool.c +++ /dev/null @@ -1,229 +0,0 @@ -/*- - * Copyright (c) 2013 John Clark <clarkjc@runbox.com> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* $FreeBSD$ */ -#include <stdarg.h> -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/endian.h> -#include <unistd.h> - -#define BUFFER_SIZE 4096 - -static void error(const char *fmt, ...); -static void process_amd(const char *container, const char *outdir); -static void process_intel(const char *filename, const char *outdir); - -/* - * This tool extracts microcode from container files provided by - * Intel and AMD for their families of popular microprocessors. - */ -int -main(int argc, char *argv[]) -{ - int ch, i, mode = -1; - char *outdir = "."; - - /* Parse the command line arguments. */ - while ((ch = getopt(argc, argv, "aio:")) != -1) { - switch (ch) { - case 'a': /* Mode select */ - case 'i': - mode = ch; - break; - case 'o': /* Output directory */ - outdir = optarg; - break; - default: /* Unknown */ - error("Error: Invalid argument\n"); - } - } - - if (mode == 'i') { - /* Process Intel microcode container files */ - for (i = optind; i < argc; i++) { - process_intel(argv[i], outdir); - } - } else if (mode == 'a') { - /* Process AMD microcode container files */ - for (i = optind; i < argc; i++) { - process_amd(argv[i], outdir); - } - } else { - error("Error: Invalid mode\n"); - } - - return 0; -} - -/* Display an error message and exit with a status code of 1. */ -static void -error(const char *fmt, ...) -{ - va_list args; - - if (fmt == NULL) { - perror("Error"); - } else { - va_start(args, fmt); - vfprintf(stderr, fmt, args); - va_end(args); - } - exit(1); -} - -/* Process an AMD supplied microcode container file. */ -#define AMD_HEADER_LEN 12 -#define AMD_SKIP_OFFSET 8 -#define AMD_UCODE_HEADER_LEN 8 -#define AMD_UCODE_HEADER_TYPE 0x00000001 -#define AMD_UCODE_ID_OFFSET 4 -#define AMD_UCODE_SIG_OFFSET 24 -static void -process_amd(const char *container, const char *outdir) -{ - char outname[FILENAME_MAX]; - const uint8_t magic[] = { - 0x44, 0x4d, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00 - }; - FILE *fin, *fout; - uint8_t *buf; - uint32_t id, len, sig; - int num; - - if ((buf = malloc(BUFFER_SIZE)) == NULL) - error(NULL); - - /* Open the container file and read the header. */ - if ((fin = fopen(container, "rb")) == NULL) - error(NULL); - if (fread(buf, AMD_HEADER_LEN, 1, fin) != 1) { - error("Error: Truncated file: %s\n", container); - } - - /* Check the magic numbers. */ - if (memcmp(magic, buf, sizeof(magic)) != 0) { - error("Error: Invalid file: %s\n", container); - } - - /* Seek to the first microcode image. */ - if (fseek(fin, le32dec(buf + AMD_SKIP_OFFSET), SEEK_CUR) != 0) - error(NULL); - - /* Read all microcode images. */ - while ((num = fread(buf, 1, AMD_UCODE_HEADER_LEN, fin)) != 0) { - /* Read and validate the image. */ - if (num != AMD_UCODE_HEADER_LEN) { - error("Error: Truncated file: %s\n", container); - } - if (le32dec(buf) != AMD_UCODE_HEADER_TYPE) { - error("Error: Invalid type: %s\n", container); - } - len = le32dec(buf + sizeof(uint32_t)); - if (len > BUFFER_SIZE) { - if ((buf = realloc(buf, len)) == NULL) - error(NULL); - } - if (fread(buf, len, 1, fin) != 1) { - error("Error: Truncated file: %s\n", container); - } - - /* Write the image to an output file. */ - sig = le32dec(buf + AMD_UCODE_SIG_OFFSET); - id = le32dec(buf + AMD_UCODE_ID_OFFSET); - snprintf(outname, sizeof(outname), "%s/AMD-%08x-%08x.fw", - outdir, sig, id); - if ((fout = fopen(outname, "wb")) == NULL) - error(NULL); - if (fwrite(buf, len, 1, fout) != 1) - error(NULL); - if (fclose(fout) != 0) - error(NULL); - } - - if (fclose(fin) != 0) - error(NULL); - free(buf); -} - -/* Process an Intel supplied microcode container file. */ -static void -process_intel(const char *container, const char *outdir) -{ - char outname[FILENAME_MAX]; - FILE *fin, *fout = NULL; - char *buf, *token; - const char * const sep = ",. \t\n"; - uint32_t val; - - if ((buf = malloc(BUFFER_SIZE)) == NULL) - error(NULL); - if ((fin = fopen(container, "r")) == NULL) - error(NULL); - - /* Process the container file line by line. */ - while (fgets(buf, BUFFER_SIZE, fin) != NULL) { - if ((token = strtok(buf, sep)) == NULL) - continue; - - if (*token == '/') { - /* Process a comment line. */ - if (fout != NULL) { - /* Close previous output file. */ - if (fclose(fout) != 0) - error(NULL); - fout = NULL; - } - if ((token = strtok(NULL, sep)) != NULL) { - /* Construct next file name. */ - snprintf(outname, sizeof(outname), "%s/%s.fw", - outdir, token); - } - } else { - /* Process a data line. */ - if ((fout == NULL) && (token != NULL)) { - if ((fout = fopen(outname, "wb")) == NULL) - error(NULL); - } - while (token != NULL) { - val = htole32(strtoul(token, NULL, 0)); - if (fwrite(&val, sizeof(val), 1, fout) != 1) - error(NULL); - token = strtok(NULL, sep); - } - } - } - - if (fout != NULL) { - if (fclose(fout) != 0) - error(NULL); - } - if (fclose(fin) != 0) - error(NULL); - free(buf); -} |