diff options
Diffstat (limited to 'sys-firmware')
| -rw-r--r-- | sys-firmware/intel-microcode/Manifest | 1 | ||||
| -rw-r--r-- | sys-firmware/intel-microcode/files/intel-microcode2ucode.c-r1 | 166 | ||||
| -rw-r--r-- | sys-firmware/intel-microcode/intel-microcode-20170707.ebuild | 48 |
3 files changed, 215 insertions, 0 deletions
diff --git a/sys-firmware/intel-microcode/Manifest b/sys-firmware/intel-microcode/Manifest index 4ce2cad68976..197db19058f0 100644 --- a/sys-firmware/intel-microcode/Manifest +++ b/sys-firmware/intel-microcode/Manifest @@ -7,3 +7,4 @@ DIST microcode-20160607.tgz 1236385 SHA256 db821eb47af2caa39613caee0eb89a9584b2e DIST microcode-20160714.tgz 1239344 SHA256 f3a9c6fc93275bf1febc26f7c397ac93ed5f109e47fb52932f6dbd5cfdbc840e SHA512 f9e09b6669a86aafcc77642d6e33acf9326109c3a2bc3e0d62b45a062b9ecbde6605b5a0ae31d4a3ad2b0ed3c6d3aadbd18088431fb72216bfc31fc452b0e342 WHIRLPOOL d62bbce555adc1973465d81463d9ef51cc64f5f0937b555a0b616458afc47823b2512a60eb498d4658e96244430e47bde5f36b2e49d202d41e61914bee6a3a9c DIST microcode-20161104.tgz 1290125 SHA256 70154ca62ff9b3da6291dfdecc90daaeb399d7290c0d308d719df16dff5ee3d1 SHA512 73a7310c1da5bec7ce82bce5cf7c2aafa3d0189e7524bdebd20e1ea3568cf8242be39d9041fa055fe06e759f98703c5d0a631e57ff185aae3ba3c91dbe83cf7a WHIRLPOOL e811315facf6b7dc80c4a99555d909e1c26aa7904d1f2608de633f7e49f691f5bf6c47973381cd72e4cb8c3b4355651a4c64564c79539ddfa41a007b8f05b5ca DIST microcode-20170511.tgz 2143617 SHA256 2f77fd2d87403b754d01a66c78a36a8b8ffc16dc3c50fb7aa2c4cd4da7f681a3 SHA512 4e2066096d56430c2df73631f15cf16f2317c1d8ff745d7b7cdd784ebccc2b797565eb52703cce9b4238774dbfdcaecacd892d729b7869fdfd7644008ce74a60 WHIRLPOOL 492e5e5962696636bfb2e181964893ba59798873b71cb9f5d11b1dcb9a1b32acb9e11634b71d880e05f9b71eb4f45dbc72e7a48e1ac4f38dfec816dbecf79b0d +DIST microcode-20170707.tgz 2908882 SHA256 4fd44769bf52a7ac11e90651a307aa6e56ca6e1a814e50d750ba8207973bee93 SHA512 2f0643c332318e9c818b9a23a996b59086e86e80e649589e43dbab19f13083d6d9505b8557f67b45ce56de0da043c753a14bb146e597b6669f24fe543656c65f WHIRLPOOL bafae318d350bae1ebb6aeb5611e9ffab7d52d2ca836c7b65cb6b86bae9da7ee2c41945e0252cbe1797de4737507948b5260bbe3996d1d7e3fd2489e32452456 diff --git a/sys-firmware/intel-microcode/files/intel-microcode2ucode.c-r1 b/sys-firmware/intel-microcode/files/intel-microcode2ucode.c-r1 new file mode 100644 index 000000000000..4b3ba4b48ed4 --- /dev/null +++ b/sys-firmware/intel-microcode/files/intel-microcode2ucode.c-r1 @@ -0,0 +1,166 @@ +/* + * 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; +} diff --git a/sys-firmware/intel-microcode/intel-microcode-20170707.ebuild b/sys-firmware/intel-microcode/intel-microcode-20170707.ebuild new file mode 100644 index 000000000000..acab7d674757 --- /dev/null +++ b/sys-firmware/intel-microcode/intel-microcode-20170707.ebuild @@ -0,0 +1,48 @@ +# Copyright 1999-2017 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +EAPI="6" + +inherit toolchain-funcs + +# Find updates by searching and clicking the first link (hopefully it's the one): +# http://www.intel.com/content/www/us/en/search.html?keyword=Processor+Microcode+Data+File + +NUM="26925" +DESCRIPTION="Intel IA32/IA64 microcode update data" +HOMEPAGE="http://inertiawar.com/microcode/ https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=${NUM}" +SRC_URI="http://downloadmirror.intel.com/${NUM}/eng/microcode-${PV}.tgz" + +LICENSE="intel-ucode" +SLOT="0" +KEYWORDS="-* ~amd64 ~x86" +IUSE="initramfs monolithic +split-ucode" +REQUIRED_USE="|| ( initramfs monolithic split-ucode )" + +DEPEND="initramfs? ( sys-apps/iucode_tool )" +RDEPEND="!<sys-apps/microcode-ctl-1.17-r2" #268586 + +S=${WORKDIR} + +src_unpack() { + default + cp "${FILESDIR}"/intel-microcode2ucode.c-r1 ./intel-microcode2ucode.c || die +} + +src_compile() { + if use initramfs ; then + iucode_tool --write-earlyfw=microcode.cpio microcode.dat || die + fi + + if use split-ucode ; then + tc-env_build emake intel-microcode2ucode + ./intel-microcode2ucode microcode.dat || die + fi +} + +src_install() { + insinto /lib/firmware + use initramfs && doins microcode.cpio + use monolithic && doins microcode.dat + use split-ucode && doins -r intel-ucode +} |