diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | tools/Makefile.am | 5 | ||||
| -rw-r--r-- | tools/intel_bios_dumper.c | 107 |
3 files changed, 111 insertions, 2 deletions
@@ -58,4 +58,5 @@ tools/intel_reg_write tools/intel_stepping tools/intel_audio_dump tools/intel_reg_read +tools/intel_bios_dumper tools/intel_bios_reader diff --git a/tools/Makefile.am b/tools/Makefile.am index a825d5ba..659f0161 100644 --- a/tools/Makefile.am +++ b/tools/Makefile.am @@ -1,5 +1,7 @@ bin_PROGRAMS = \ intel_audio_dump \ + intel_bios_dumper \ + intel_bios_reader \ intel_error_decode \ intel_gpu_dump \ intel_gpu_top \ @@ -9,8 +11,7 @@ bin_PROGRAMS = \ intel_stepping \ intel_reg_dumper \ intel_reg_write \ - intel_reg_read \ - intel_bios_reader + intel_reg_read intel_gpu_dump_SOURCES = \ intel_gpu_dump.c \ diff --git a/tools/intel_bios_dumper.c b/tools/intel_bios_dumper.c new file mode 100644 index 00000000..53293ebd --- /dev/null +++ b/tools/intel_bios_dumper.c @@ -0,0 +1,107 @@ +/* + * Copyright © 2007 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <eric@anholt.net> + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdarg.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <errno.h> +#include <pciaccess.h> +#include <err.h> + +#ifndef DEFFILEMODE +#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) /* 0666 */ +#endif + +static void usage(void) +{ + fprintf(stderr, "usage: bios_dumper <filename>\n"); + exit(1); +} + +int main(int argc, char **argv) +{ + struct pci_device *dev; + void *bios; + int err, fd; + + if (argc != 2) + usage(); + + err = pci_system_init(); + if (err != 0) { + fprintf(stderr, "Couldn't initialize PCI system: %s\n", + strerror(err)); + exit(1); + } + + /* Grab the graphics card */ + dev = pci_device_find_by_slot(0, 0, 2, 0); + if (dev == NULL) + errx(1, "Couldn't find graphics card"); + + err = pci_device_probe(dev); + if (err != 0) { + fprintf(stderr, "Couldn't probe graphics card: %s\n", + strerror(err)); + exit(1); + } + + if (dev->vendor_id != 0x8086) + errx(1, "Graphics card is non-intel"); + + bios = malloc(dev->rom_size); + if (bios == NULL) + errx(1, "Couldn't allocate memory for BIOS data\n"); + + err = pci_device_read_rom(dev, bios); + if (err != 0) { + fprintf(stderr, "Couldn't read graphics card ROM: %s\n", + strerror(err)); + exit(1); + } + + fd = open(argv[1], O_RDWR | O_CREAT | O_TRUNC, DEFFILEMODE); + if (fd < 0) { + fprintf(stderr, "Couldn't open output: %s\n", strerror(errno)); + exit(1); + } + + if (write(fd, bios, dev->rom_size) < dev->rom_size) { + fprintf(stderr, "Couldn't write BIOS data: %s\n", + strerror(errno)); + exit(1); + } + + close(fd); + pci_system_cleanup(); + + return 0; +} |