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Added microcode_ctl-1.17 build template.

This commit is contained in:
Juan RP 2011-02-27 16:47:49 +01:00
parent c854f8dc61
commit 458db8dbec
3 changed files with 336 additions and 0 deletions
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32
srcpkgs/microcode_ctl/files/microcode_ctl.rc Normal file
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@ -0,0 +1,32 @@
#!/sbin/runscript
: ${MICROCODE_DEVICE:=/dev/cpu/microcode}
: ${MICROCODE_FILE:=/lib/firmware/intel-microcode.dat}
depend()
{
need localmount
before *
}
start()
{
local modloaded
einfo "Applying Intel CPU microcode update"
if [ ! -c ${MICROCODE_DEVICE} ]; then
modprobe -q microcode
if [ $? -ne 0 ]; then
eerror "failed to load microcode module"
fi
fi
if [ ! -f ${MICROCODE_FILE} ]; then
eerror "cannot find microcode file"
fi
microcode_ctl -Q -f ${MICROCODE_FILE}
if [ $? -eq 0 ]; then
modprobe -q -r microcode
fi
eend $?
}

264
srcpkgs/microcode_ctl/patches/microcode.ctl_1.17-13.diff Normal file
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@ -0,0 +1,264 @@
--- microcode.ctl-1.17.orig/microcode_ctl.c
+++ microcode.ctl-1.17/microcode_ctl.c
@@ -18,28 +18,30 @@
#include <string.h>
static char *progname;
-int print_normal_messages=1;
-int print_error_messages=1;
+static int print_normal_messages=1;
+static int print_error_messages=1;
#define BUFFER_SIZE 4096
-#define MAX_MICROCODE 2000000
+#define MICROCODE_SIZE (128*1024) /* initial size, expanded as needed */
+#define FILENAME_MAXLEN 2048
#define MICROCODE_DEVICE_DEFAULT "/dev/cpu/microcode"
-#define MICROCODE_FILE_DEFAULT "/etc/microcode.dat"
+#define MICROCODE_FILE_DEFAULT "/lib/firmware/intel-microcode.dat"
-static void usage(void)
+
+static void usage(FILE *file)
{
- fprintf(stderr, "\nThis program is for updating the microcode on Intel processors\n"
- "belonging to the IA32 family - PentiumPro upwards (x86_64 included).\n"
- "It depends on the Linux kernel microcode driver.\n\n"
- "Usage: %s [-h] [-u] [-q] [-Q] [-f microcode]\n\n"
- " -h this usage message\n"
- " -q run silently when successful\n"
- " -Q run silently even on failure\n"
- " -u upload microcode (default filename:\"%s\"\n"
- " -f upload microcode from named Intel formatted file\n\n",
- progname, MICROCODE_FILE_DEFAULT);
- exit(1);
+ fputs(
+"\nThis program is for updating the microcode on Intel processors\n"
+"belonging to the IA32 family - PentiumPro upwards (x86_64 included).\n"
+"It depends on the Linux kernel microcode driver.\n\n"
+"Usage: microcode_ctl [-h] [-u] [-q] [-Q] [-f microcode]\n\n"
+" -h this usage message\n"
+" -q run silently when successful\n"
+" -Q run silently even on failure\n"
+" -u upload microcode (default filename:\""MICROCODE_FILE_DEFAULT"\"\n"
+" -f upload microcode from named Intel formatted file\n\n",
+ file);
}
/*
@@ -52,45 +54,66 @@
{
FILE *fp;
char line_buffer[BUFFER_SIZE];
- int microcode[MAX_MICROCODE];
- int *pos;
+ size_t microcode_size = MICROCODE_SIZE/sizeof(unsigned);
+ unsigned *microcode = malloc(microcode_size * sizeof(unsigned));
+ size_t pos = 0;
int outfd;
int wrote, length;
+ if(!microcode){
+ if(print_error_messages)
+ fprintf(stderr, "%s: not enough memory\n", progname);
+ return ENOMEM;
+ }
if( (fp=fopen(filename, "r")) == NULL){
if(print_error_messages)
- fprintf(stderr, "%s: cannot open source file '%s' errno=%d (%s)\n",
+ fprintf(stderr,
+ "%s: cannot open source file '%s' errno=%d (%s)\n",
progname, filename, errno, strerror(errno));
return errno;
}
- pos = microcode;
-
while(fgets(line_buffer, BUFFER_SIZE, fp) != NULL) {
+ /*
+ * Expand microcode buffer if needed
+ */
+ if(microcode_size < pos + 4) {
+ microcode_size *= 2;
+ microcode = realloc(microcode,
+ microcode_size * sizeof(unsigned));
+ if (!microcode) {
+ if(print_error_messages)
+ fprintf(stderr, "%s: not enough memory\n",
+ progname);
+ fclose(fp);
+ return ENOMEM;
+ }
+ }
/*
* Data lines will are of the form "%x, %x, %x, %x", therefore
* lines start with a 0
*/
if(*line_buffer == '0'){
- sscanf(line_buffer, "%x, %x, %x, %x", pos,
- (pos + 1), (pos + 2), (pos + 3));
- pos += 4;
+ int scanned;
+ scanned = sscanf(line_buffer, "%x, %x, %x, %x",
+ microcode + pos,
+ microcode + pos + 1,
+ microcode + pos + 2,
+ microcode + pos + 3);
+ if(scanned != 4) {
+ fprintf(stderr, "%s: %s: invalid file format\n",
+ progname, filename);
+ fclose(fp);
+ return EINVAL;
+ }
+ pos += 4;
}
-
- if (MAX_MICROCODE < (pos - microcode)){
- /* not checking the buffer length could cause grief? */
- if(print_error_messages)
- fprintf(stderr, "%s: file too large for utility microcode buffer\n"
- "%s: change MAX_MICROCODE yourself :)\n", progname, progname);
- fclose(fp);
- return errno;
- }
-
}
fclose(fp);
- length = sizeof(int) * (pos - microcode);
+ length = pos * sizeof(unsigned);
+
if(print_normal_messages)
fprintf(stderr, "%s: writing microcode (length: %d)\n", progname, length);
@@ -101,7 +124,7 @@
return errno;
}
- if( (wrote = write(outfd, &microcode, length)) < 0){
+ if( (wrote = write(outfd, microcode, length)) < 0){
if(print_error_messages)
fprintf(stderr, "%s: error writing to '%s' errno=%d (%s)\n"
"%s: there may be messages from the driver in your system log.\n",
@@ -122,20 +145,17 @@
int main(int argc, char *argv[])
{
int c;
- static char device[2048];
- static char filename[2048];
+ static char device[FILENAME_MAXLEN+1] = MICROCODE_DEVICE_DEFAULT;
+ static char filename[FILENAME_MAXLEN+1] = MICROCODE_FILE_DEFAULT;
int upload=0;
- int return_code;
progname = argv[0];
- strcpy(device, MICROCODE_DEVICE_DEFAULT);
- strcpy(filename, MICROCODE_FILE_DEFAULT);
-
- while (EOF != (c = getopt(argc, argv, "hqQud:f:"))) {
+ while (EOF != (c = getopt(argc, argv, "-hqQiud:f:"))) {
switch(c) {
case 'h':
- usage();
+ usage(stdout);
+ exit(0);
case 'q':
print_normal_messages=0;
@@ -147,7 +167,7 @@
break;
case 'd':
- strcpy(device, optarg);
+ strncpy(device, optarg, FILENAME_MAXLEN);
break;
case 'u': /* do a microcode upload */
@@ -156,19 +176,25 @@
case 'f': /* set microcode file to optarg and upload */
upload++;
- strcpy(filename, optarg);
+ strncpy(filename, optarg, FILENAME_MAXLEN);
+ break;
+ case 'i':
+ fputs("microcode_ctl: flag '-i' is now obsolete",
+ stderr);
break;
-
case '?':
- usage();
+ case 1:
+ usage(stdout);
+ exit(2);
+
}
}
if (upload) {
- if((return_code = do_update(device, filename)))
- exit(return_code);
+ if(do_update(device, filename))
+ exit(1);
} else
- usage();
+ usage(stderr);
return 0;
}
--- microcode.ctl-1.17.orig/microcode_ctl.8
+++ microcode.ctl-1.17/microcode_ctl.8
@@ -4,13 +4,13 @@
microcode_ctl \- microcode utility for Intel IA32 processors
.SH SYNOPSIS
.B microcode_ctl
-[\fI\-h\fR] [\fI\-u\fR [\fI\-q\fR]] [\fI\-Q\fR] [\fI\-f microcode\fR]
+[\fI\-h\fR] [\fI\-u\fR] [\fI\-q\fR] [\fI\-Q\fR] [\fI\-f microcode\fR]
.br
.SH DESCRIPTION
-." Add any additional description here
-.PP
-The microcode_ctl utility is a companion to the IA32 microcode driver written
-by Tigran Aivazian <tigran@aivazian.fsnet.co.uk>. The uaility has two uses:
+The
+.B microcode_ctl
+utility is a companion to the IA32 microcode driver written
+by Tigran Aivazian <tigran@aivazian.fsnet.co.uk>. The utility has two uses:
.br
.PP
\fBa)\fR it decodes and sends new microcode to the kernel driver to be
@@ -49,14 +49,14 @@
Upload microcode using defaults
.SH FILES
.TP
-/etc/microcode.dat
+/lib/firmware/intel-microcode.dat
The default microcode location
.PD
.SH AUTHOR
Microcode utility written by Simon Trimmer
.br
Linux Kernel driver written by Tigran Aivazian.
-.SH "REPORTING BUGS"
+.SH REPORTING BUGS
Report bugs to either Simon Trimmer <simon@urbanmyth.org> or
Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
.SH COPYRIGHT
@@ -64,12 +64,12 @@
.br
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-.SH "SPECIAL THANKS"
+.SH SPECIAL THANKS
Thanks to the Intel Corporation, for supplying microcode update data and
publishing the specifications that enabled us to write microcode driver for
Linux.
.br
-.SH "SEE ALSO"
+.SH SEE ALSO
The brave are recommended to view the driver source code located in the
Linux Kernel source tree in arch/i386/kernel/microcode.c
.PP

40
srcpkgs/microcode_ctl/template Normal file
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@ -0,0 +1,40 @@
# Template file for 'microcode_ctl'
pkgname=microcode_ctl
version=1.17
patch_args="-Np1"
distfiles="http://www.urbanmyth.org/microcode/$pkgname-$version.tar.gz"
short_desc="Intel IA32/IA64 CPU Microcode Utility"
build_style=custom-install
make_install_args="PREFIX=/usr MANDIR=/usr/share/man/man8"
maintainer="Juan RP <xtraeme@gmail.com>"
checksum=41ef081c3a2649ca012714a3e2034d748612b1a8f007aa275f395f81cb230bb7
long_desc="
The microcode_ctl utility is a companion to the IA32 microcode driver:
- it decodes and sends new microcode to the kernel driver for Intel IA32
family (Pentium Pro, PII, Celeron, PIII, Xeon, Pentium 4, etc.) and
Intel x86_64 family processors;
- it signals the kernel driver to release any buffers it may hold.
The microcode update does not permanently alter the CPU and must be performed
each time the system is booted."
openrc_services="${pkgname} default true"
Add_dependency run glibc
Add_dependency full udev
Add_dependency full module-init-tools
Add_dependency full intel-microcode
do_build()
{
make
}
do_install()
{
install -D -m755 ${pkgname} ${DESTDIR}/usr/sbin/${pkgname}
install -D -m644 ${pkgname}.8 ${DESTDIR}/usr/share/man/man8/${pkgname}.8
install -D -m755 ${FILESDIR}/${pkgname}.rc \
${DESTDIR}/etc/init.d/${pkgname}
}