New package: intel-ucode-20111110.
This commit is contained in:
Juan RP
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783224b904
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INTEL SOFTWARE LICENSE AGREEMENT
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APPLICABLE LAWS. Claims arising under this Agreement shall be governed by the
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GOVERNMENT RESTRICTED RIGHTS. The Software is provided with "RESTRICTED
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of Intel's proprietary rights therein. Contractor or Manufacturer is Intel
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2200 Mission College Blvd., Santa Clara, CA 95052.
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@ -0,0 +1,163 @@
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/*
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* Convert Intel microcode.dat into individual ucode files
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* named: intel-ucode/$family-$model-$stepping
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*
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* The subdir intel-ucode/ is created in the current working
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* directory. We get multiple ucodes in the same file, so they
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* are appended to an existing file. Make sure the directory
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* is empty before every run of the converter.
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*
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* Kay Sievers <kay.sievers@vrfy.org>
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*/
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#ifndef _GNU_SOURCE
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# define _GNU_SOURCE 1
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#endif
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <limits.h>
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#include <stdbool.h>
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#include <inttypes.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/stat.h>
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struct microcode_header_intel {
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unsigned int hdrver;
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unsigned int rev;
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unsigned int date;
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unsigned int sig;
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unsigned int cksum;
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unsigned int ldrver;
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unsigned int pf;
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unsigned int datasize;
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unsigned int totalsize;
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unsigned int reserved[3];
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};
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union mcbuf {
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struct microcode_header_intel hdr;
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unsigned int i[0];
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char c[0];
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};
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int main(int argc, char *argv[])
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{
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char *filename = "/lib/firmware/microcode.dat";
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FILE *f;
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char line[LINE_MAX];
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char buf[4000000];
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union mcbuf *mc;
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size_t bufsize, count, start;
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int rc = EXIT_SUCCESS;
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if (argv[1] != NULL)
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filename = argv[1];
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count = 0;
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mc = (union mcbuf *) buf;
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f = fopen(filename, "re");
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if (f == NULL) {
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printf("open %s: %m\n", filename);
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rc = EXIT_FAILURE;
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goto out;
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}
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while (fgets(line, sizeof(line), f) != NULL) {
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if (sscanf(line, "%x, %x, %x, %x",
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&mc->i[count],
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&mc->i[count + 1],
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&mc->i[count + 2],
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&mc->i[count + 3]) != 4)
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continue;
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count += 4;
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}
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fclose(f);
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bufsize = count * sizeof(int);
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printf("%s: %lu(%luk) bytes, %zu integers\n",
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filename,
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bufsize,
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bufsize / 1024,
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count);
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if (bufsize < sizeof(struct microcode_header_intel))
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goto out;
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mkdir("intel-ucode", 0750);
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start = 0;
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for (;;) {
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size_t size;
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unsigned int family, model, stepping;
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unsigned int year, month, day;
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mc = (union mcbuf *) &buf[start];
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if (mc->hdr.totalsize)
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size = mc->hdr.totalsize;
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else
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size = 2000 + sizeof(struct microcode_header_intel);
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if (mc->hdr.ldrver != 1 || mc->hdr.hdrver != 1) {
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printf("unknown version/format:\n");
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rc = EXIT_FAILURE;
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break;
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}
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/*
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* 0- 3 stepping
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* 4- 7 model
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* 8-11 family
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* 12-13 type
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* 16-19 extended model
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* 20-27 extended family
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*/
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family = (mc->hdr.sig >> 8) & 0xf;
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if (family == 0xf)
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family += (mc->hdr.sig >> 20) & 0xff;
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model = (mc->hdr.sig >> 4) & 0x0f;
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if (family == 0x06)
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model += ((mc->hdr.sig >> 16) & 0x0f) << 4;
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stepping = mc->hdr.sig & 0x0f;
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year = mc->hdr.date & 0xffff;
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month = mc->hdr.date >> 24;
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day = (mc->hdr.date >> 16) & 0xff;
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asprintf(&filename, "intel-ucode/%02x-%02x-%02x", family, model, stepping);
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printf("\n");
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printf("%s\n", filename);
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printf("signature: 0x%02x\n", mc->hdr.sig);
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printf("flags: 0x%02x\n", mc->hdr.pf);
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printf("revision: 0x%02x\n", mc->hdr.rev);
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printf("date: %04x-%02x-%02x\n", year, month, day);
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printf("size: %zu\n", size);
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f = fopen(filename, "ae");
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if (f == NULL) {
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printf("open %s: %m\n", filename);
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rc = EXIT_FAILURE;
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goto out;
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}
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if (fwrite(mc, size, 1, f) != 1) {
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printf("write %s: %m\n", filename);
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rc = EXIT_FAILURE;
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goto out;
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}
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fclose(f);
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free(filename);
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start += size;
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if (start >= bufsize)
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break;
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}
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printf("\n");
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out:
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return rc;
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}
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@ -0,0 +1,26 @@
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# Template file for 'intel-ucode'
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pkgname=intel-ucode
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version=20111110
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create_wrksrc=yes
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distfiles="http://downloadmirror.intel.com/20728/eng/microcode-${version}.tgz"
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short_desc="Microcode update files for Intel CPUs"
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maintainer="Juan RP <xtraeme@gmail.com>"
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license="INTEL Software License Agreement"
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checksum=16f532cdf9cce03e01e714619ad9406a465aa965bbd1288035398db79921cbc1
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long_desc="
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This package contains the microcode updates for Intel CPUs for use
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with the microcode linux kernel module."
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noarch=yes
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do_build() {
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cp ${FILESDIR}/*.c .
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gcc -Wall ${CFLAGS} -o intel-microcode2ucode intel-microcode2ucode.c
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./intel-microcode2ucode ./microcode.dat
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}
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do_install() {
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vmkdir lib/firmware/intel-ucode
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vcopy "intel-ucode/*" lib/firmware/intel-ucode
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vinstall ${FILESDIR}/LICENSE 644 usr/share/licenses/${pkgname}
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}
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