Commit 8204be09 authored by Natanael Copa's avatar Natanael Copa

non-free/intel-ucode: fix build and clean up license

parent 5b59b876
......@@ -6,30 +6,24 @@ pkgdesc="Microcode update files for Intel CPUs"
arch=noarch
url="https://downloadcenter.intel.com/SearchResult.aspx?lang=eng&keyword=%22microcode%22"
license="custom"
source="https://downloadmirror.intel.com/28087/eng/microcode-$pkgver.tgz
LICENSE
intel-microcode2ucode.c"
makedepens="iucode-tool"
source="https://downloadmirror.intel.com/28087/eng/microcode-$pkgver.tgz"
options="!check"
build() {
cd "$srcdir"
gcc -Wall ${CFLAGS} -o intel-microcode2ucode intel-microcode2ucode.c
./intel-microcode2ucode ./microcode.dat
rm -f intel-ucode/list intel-ucode-with-caveats/list
mkdir -p kernel/x86/microcode
iucode_tool -w kernel/x86/microcode/GenuineIntel.bin \
intel-ucode/ intel-ucode-with-caveats/
echo kernel/x86/microcode/GenuineIntel.bin | \
cpio -o -H newc -R 0:0 > intel-ucode.img
}
package() {
cd "$srcdir"
install -d -m755 "$pkgdir"/boot
mkdir -p kernel/x86/microcode
mv microcode.bin kernel/x86/microcode/GenuineIntel.bin
echo kernel/x86/microcode/GenuineIntel.bin | \
cpio -o -H newc -R 0:0 > "$pkgdir"/boot/intel-ucode.img
install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
install -D -m0644 intel-ucode.img "$pkgdir"/boot/intel-ucode.img
install -Dm644 license "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
}
sha512sums="3cd6794a5ce26e86f7b644e523ba978699316046e593da215b73b17c4b43049ac4a81636e2ce3e727d06c2efbac98657764aa3ff355edb429127585bb49a9b10 microcode-20180807a.tgz
d80ce9087e2ffd0168600a34de195d6514d3a496bc233294cd838498e1ce668b9ad4463bbbe7958feec0421b5aed3ade1633432ce086241e03ed06bbd53b83a5 LICENSE
ee60f968acab4067f5660449eabae533b5d3996cd59fd4b69d0e23e0b264da216ab6e6ccd554222cf355fc14dbd348562a2d36a87a60f1f54433603e04998cd1 intel-microcode2ucode.c"
sha512sums="3cd6794a5ce26e86f7b644e523ba978699316046e593da215b73b17c4b43049ac4a81636e2ce3e727d06c2efbac98657764aa3ff355edb429127585bb49a9b10 microcode-20180807a.tgz"
INTEL SOFTWARE LICENSE AGREEMENT
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shall apply to you.
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/*
* Convert Intel microcode.dat into a single binary microcode.bin file
*
* Based on code by Kay Sievers <kay.sievers@vrfy.org>
* Changed to create a single file by Thomas Bächler <thomas@archlinux.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[])
{
const 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;
f = fopen("microcode.bin", "we");
if (f == NULL) {
printf("open microcode.bin: %m\n");
rc = EXIT_FAILURE;
goto out;
}
start = 0;
for (;;) {
size_t size;
unsigned int family, model, stepping, type;
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
*/
stepping = mc->hdr.sig & 0x0f;
model = (mc->hdr.sig >> 4) & 0x0f;
family = (mc->hdr.sig >> 8) & 0x0f;
type = (mc->hdr.sig >> 12) & 0x0f;
if (family == 0x06)
model += ((mc->hdr.sig >> 16) & 0x0f) << 4;
if (family == 0x0f)
family += (mc->hdr.sig >> 20) & 0xff;
year = mc->hdr.date & 0xffff;
month = mc->hdr.date >> 24;
day = (mc->hdr.date >> 16) & 0xff;
printf("\n");
printf("signature: 0x%02x (stepping %d, model %d, family %d, type %d)\n",
mc->hdr.sig, stepping, model, family, type);
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);
if (fwrite(mc, size, 1, f) != 1) {
printf("write microcode.bin: %m\n");
rc = EXIT_FAILURE;
goto out;
}
start += size;
if (start >= bufsize)
break;
}
fclose(f);
printf("\n");
out:
return rc;
}
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