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Diffstat (limited to 'sys-firmware/intel-microcode/files/intel-microcode2ucode.c-r1')
-rw-r--r--sys-firmware/intel-microcode/files/intel-microcode2ucode.c-r1166
1 files changed, 0 insertions, 166 deletions
diff --git a/sys-firmware/intel-microcode/files/intel-microcode2ucode.c-r1 b/sys-firmware/intel-microcode/files/intel-microcode2ucode.c-r1
deleted file mode 100644
index 4b3ba4b48ed4..000000000000
--- a/sys-firmware/intel-microcode/files/intel-microcode2ucode.c-r1
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Convert Intel microcode.dat into individual ucode files
- * named: intel-ucode/$family-$model-$stepping
- *
- * The subdir intel-ucode/ is created in the current working
- * directory. We get multiple ucodes in the same file, so they
- * are appended to an existing file. Make sure the directory
- * is empty before every run of the converter.
- *
- * Kay Sievers <kay.sievers@vrfy.org>
- */
-
-
-#ifndef _GNU_SOURCE
-# define _GNU_SOURCE 1
-#endif
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <limits.h>
-#include <stdbool.h>
-#include <inttypes.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/stat.h>
-
-struct microcode_header_intel {
- unsigned int hdrver;
- unsigned int rev;
- unsigned int date;
- unsigned int sig;
- unsigned int cksum;
- unsigned int ldrver;
- unsigned int pf;
- unsigned int datasize;
- unsigned int totalsize;
- unsigned int reserved[3];
-};
-
-union mcbuf {
- struct microcode_header_intel hdr;
- unsigned int i[0];
- char c[0];
-};
-
-int main(int argc, char *argv[])
-{
- char *filename = "/lib/firmware/microcode.dat";
- FILE *f;
- char line[LINE_MAX];
- char buf[4000000];
- union mcbuf *mc;
- size_t bufsize, count, start;
- int rc = EXIT_SUCCESS;
-
- if (argv[1] != NULL)
- filename = argv[1];
-
- count = 0;
- mc = (union mcbuf *) buf;
- f = fopen(filename, "re");
- if (f == NULL) {
- printf("open %s: %m\n", filename);
- rc = EXIT_FAILURE;
- goto out;
- }
-
- while (fgets(line, sizeof(line), f) != NULL) {
- if (sscanf(line, "%x, %x, %x, %x",
- &mc->i[count],
- &mc->i[count + 1],
- &mc->i[count + 2],
- &mc->i[count + 3]) != 4)
- continue;
- count += 4;
- }
- fclose(f);
-
- bufsize = count * sizeof(int);
- printf("%s: %lu(%luk) bytes, %zu integers\n",
- filename,
- bufsize,
- bufsize / 1024,
- count);
-
- if (bufsize < sizeof(struct microcode_header_intel))
- goto out;
-
- mkdir("intel-ucode", 0750);
-
- start = 0;
- for (;;) {
- size_t size;
- unsigned int family, model, stepping;
- unsigned int year, month, day;
-
- mc = (union mcbuf *) &buf[start];
-
- if (mc->hdr.totalsize)
- size = mc->hdr.totalsize;
- else
- size = 2000 + sizeof(struct microcode_header_intel);
-
- if (mc->hdr.ldrver != 1 || mc->hdr.hdrver != 1) {
- printf("unknown version/format:\n");
- rc = EXIT_FAILURE;
- break;
- }
-
- /*
- * 0- 3 stepping
- * 4- 7 model
- * 8-11 family
- * 12-13 type
- * 16-19 extended model
- * 20-27 extended family
- */
- family = (mc->hdr.sig >> 8) & 0xf;
- if (family == 0xf)
- family += (mc->hdr.sig >> 20) & 0xff;
- model = (mc->hdr.sig >> 4) & 0x0f;
- if (family == 0x06)
- model += ((mc->hdr.sig >> 16) & 0x0f) << 4;
- stepping = mc->hdr.sig & 0x0f;
-
- year = mc->hdr.date & 0xffff;
- month = mc->hdr.date >> 24;
- day = (mc->hdr.date >> 16) & 0xff;
-
- if (asprintf(&filename, "intel-ucode/%02x-%02x-%02x", family, model, stepping) < 0) {
- rc = EXIT_FAILURE;
- goto out;
- }
- printf("\n");
- printf("%s\n", filename);
- printf("signature: 0x%02x\n", mc->hdr.sig);
- printf("flags: 0x%02x\n", mc->hdr.pf);
- printf("revision: 0x%02x\n", mc->hdr.rev);
- printf("date: %04x-%02x-%02x\n", year, month, day);
- printf("size: %zu\n", size);
-
- f = fopen(filename, "ae");
- if (f == NULL) {
- printf("open %s: %m\n", filename);
- rc = EXIT_FAILURE;
- goto out;
- }
- if (fwrite(mc, size, 1, f) != 1) {
- printf("write %s: %m\n", filename);
- rc = EXIT_FAILURE;
- goto out;
- }
- fclose(f);
- free(filename);
-
- start += size;
- if (start >= bufsize)
- break;
- }
- printf("\n");
-out:
- return rc;
-}