Add ifdtool, utility to read / modify Intel Firmware Descriptor images
Change-Id: Ie78b97bf573d238d0dff9a663e774deb1b7dea44 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/272 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Stefan Reinauer
Patrick Georgi
parent
c31c4de681
commit
1c795ad109
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#
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# ifdtool - dump Intel Firmware Descriptor information
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#
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# Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
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#
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PROGRAM = ifdtool
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CC = gcc
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INSTALL = /usr/bin/install
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PREFIX = /usr/local
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CFLAGS = -O2 -g -Wall -W
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LDFLAGS =
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OBJS = ifdtool.o
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all: dep $(PROGRAM)
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$(PROGRAM): $(OBJS)
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$(CC) -o $(PROGRAM) $(OBJS) $(LDFLAGS)
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clean:
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rm -f $(PROGRAM) *.o *~
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distclean: clean
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rm -f .dependencies
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dep:
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@$(CC) $(CFLAGS) -MM *.c > .dependencies
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install: $(PROGRAM)
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mkdir -p $(DESTDIR)$(PREFIX)/bin
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$(INSTALL) $(PROGRAM) $(DESTDIR)$(PREFIX)/bin
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mkdir -p $(DESTDIR)$(PREFIX)/share/man/man8
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$(INSTALL) $(PROGRAM).8 $(DESTDIR)$(PREFIX)/share/man/man8
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.PHONY: all clean distclean dep
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-include .dependencies
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@ -0,0 +1,551 @@
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/*
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* ifdtool - dump Intel Firmware Descriptor information
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*
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* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <getopt.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "ifdtool.h"
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static fdbar_t *find_fd(char *image, int size)
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{
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int i, found = 0;
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/* Scan for FD signature */
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for (i = 0; i < (size - 4); i += 4) {
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if (*(uint32_t *) (image + i) == 0x0FF0A55A) {
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found = 1;
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break; // signature found.
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}
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}
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if (!found) {
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printf("No Flash Descriptor found in this image\n");
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return NULL;
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}
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printf("Found Flash Descriptor signature at 0x%08x\n", i);
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return (fdbar_t *) (image + i);
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}
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typedef struct {
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int base, limit, size;
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} region_t;
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static region_t get_region(frba_t *frba, int region_type)
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{
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region_t region;
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region.base = 0, region.limit = 0, region.size = 0;
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switch (region_type) {
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case 0:
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region.base = (frba->flreg0 & 0x00000fff) << 12;
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region.limit = ((frba->flreg0 & 0x0fff0000) >> 4) | 0xfff;
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break;
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case 1:
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region.base = (frba->flreg1 & 0x00000fff) << 12;
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region.limit = ((frba->flreg1 & 0x0fff0000) >> 4) | 0xfff;
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break;
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case 2:
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region.base = (frba->flreg2 & 0x00000fff) << 12;
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region.limit = ((frba->flreg2 & 0x0fff0000) >> 4) | 0xfff;
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break;
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case 3:
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region.base = (frba->flreg3 & 0x00000fff) << 12;
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region.limit = ((frba->flreg3 & 0x0fff0000) >> 4) | 0xfff;
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break;
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case 4:
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region.base = (frba->flreg4 & 0x00000fff) << 12;
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region.limit = ((frba->flreg4 & 0x0fff0000) >> 4) | 0xfff;
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break;
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default:
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fprintf(stderr, "Invalid region type.\n");
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exit (EXIT_FAILURE);
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}
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region.size = region.limit - region.base + 1;
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return region;
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}
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static const char *region_name(int region_type)
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{
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static const char *regions[5] = {
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"Flash Descriptor",
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"BIOS",
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"Intel ME",
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"GbE",
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"Platform Data"
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};
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if (region_type < 0 || region_type > 4) {
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fprintf(stderr, "Invalid region type.\n");
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exit (EXIT_FAILURE);
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}
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return regions[region_type];
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}
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static const char *region_filename(int region_type)
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{
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static const char *region_filenames[5] = {
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"flashregion_0_flashdescriptor.bin",
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"flashregion_1_bios.bin",
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"flashregion_2_intel_me.bin",
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"flashregion_3_gbe.bin",
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"flashregion_4_platform_data.bin"
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};
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if (region_type < 0 || region_type > 4) {
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fprintf(stderr, "Invalid region type.\n");
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exit (EXIT_FAILURE);
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}
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return region_filenames[region_type];
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}
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static void dump_frba(frba_t * frba)
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{
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printf("\nFound Region Section\n");
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printf("FLREG0: 0x%08x\n", frba->flreg0);
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printf("FLREG1: 0x%08x\n", frba->flreg1);
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printf("FLREG2: 0x%08x\n", frba->flreg2);
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printf("FLREG3: 0x%08x\n", frba->flreg3);
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printf("FLREG4: 0x%08x\n", frba->flreg4);
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}
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static void decode_spi_frequency(unsigned int freq)
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{
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switch (freq) {
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case SPI_FREQUENCY_20MHZ:
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printf("20MHz");
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break;
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case SPI_FREQUENCY_33MHZ:
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printf("33MHz");
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break;
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case SPI_FREQUENCY_50MHZ:
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printf("50MHz");
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break;
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default:
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printf("unknown<%x>MHz", freq);
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}
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}
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static void dump_fcba(fcba_t * fcba)
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{
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printf("\nFound Component Section\n");
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printf("FLCOMP 0x%08x\n", fcba->flcomp);
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printf(" Read ID/Read Status Clock Frequency: ");
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decode_spi_frequency((fcba->flcomp >> 27) & 7);
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printf("\n Write/Erase Clock Frequency: ");
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decode_spi_frequency((fcba->flcomp >> 24) & 7);
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printf("\n Fast Read Clock Frequency: ");
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decode_spi_frequency((fcba->flcomp >> 21) & 7);
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printf("\n");
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printf("FLILL 0x%08x\n", fcba->flill);
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printf("FLPB 0x%08x\n", fcba->flpb);
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}
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static void dump_fpsba(fpsba_t * fpsba)
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{
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printf("\nFound PCH Strap Section\n");
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printf("PCHSTRP0: 0x%08x\n", fpsba->pchstrp0);
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printf("PCHSTRP1: 0x%08x\n", fpsba->pchstrp1);
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printf("PCHSTRP2: 0x%08x\n", fpsba->pchstrp2);
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printf("PCHSTRP3: 0x%08x\n", fpsba->pchstrp3);
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printf("PCHSTRP4: 0x%08x\n", fpsba->pchstrp4);
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printf("PCHSTRP5: 0x%08x\n", fpsba->pchstrp5);
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printf("PCHSTRP6: 0x%08x\n", fpsba->pchstrp6);
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printf("PCHSTRP7: 0x%08x\n", fpsba->pchstrp7);
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printf("PCHSTRP8: 0x%08x\n", fpsba->pchstrp8);
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printf("PCHSTRP9: 0x%08x\n", fpsba->pchstrp9);
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printf("PCHSTRP10: 0x%08x\n", fpsba->pchstrp10);
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printf("PCHSTRP11: 0x%08x\n", fpsba->pchstrp11);
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printf("PCHSTRP12: 0x%08x\n", fpsba->pchstrp12);
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printf("PCHSTRP13: 0x%08x\n", fpsba->pchstrp13);
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printf("PCHSTRP14: 0x%08x\n", fpsba->pchstrp14);
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printf("PCHSTRP15: 0x%08x\n", fpsba->pchstrp15);
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}
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static void dump_fmba(fmba_t * fmba)
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{
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printf("\nFound Master Section\n");
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printf("FLMSTR1: 0x%08x\n", fmba->flmstr1);
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printf("FLMSTR2: 0x%08x\n", fmba->flmstr2);
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printf("FLMSTR3: 0x%08x\n", fmba->flmstr3);
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}
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static void dump_fmsba(fmsba_t * fmsba)
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{
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printf("\nFound Processor Strap Section\n");
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printf("????: 0x%08x\n", fmsba->data[0]);
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printf("????: 0x%08x\n", fmsba->data[1]);
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printf("????: 0x%08x\n", fmsba->data[2]);
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printf("????: 0x%08x\n", fmsba->data[3]);
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}
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static void dump_fd(char *image, int size)
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{
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fdbar_t *fdb = find_fd(image, size);
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if (!fdb)
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exit(EXIT_FAILURE);
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printf("FLMAP0: 0x%08x\n", fdb->flmap0);
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printf(" NR: %d\n", (fdb->flmap0 >> 24) & 7);
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printf(" FRBA: 0x%x\n", ((fdb->flmap0 >> 16) & 0xff) << 4);
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printf(" NC: %d\n", ((fdb->flmap0 >> 8) & 3) + 1);
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printf(" FCBA: 0x%x\n", ((fdb->flmap0) & 0xff) << 4);
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printf("FLMAP1: 0x%08x\n", fdb->flmap1);
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printf(" ISL: 0x%02x\n", (fdb->flmap1 >> 24) & 0xff);
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printf(" FPSBA: 0x%x\n", ((fdb->flmap1 >> 16) & 0xff) << 4);
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printf(" NM: %d\n", (fdb->flmap1 >> 8) & 3);
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printf(" FMBA: 0x%x\n", ((fdb->flmap1) & 0xff) << 4);
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printf("FLMAP2: 0x%08x\n", fdb->flmap2);
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printf(" PSL: 0x%04x\n", (fdb->flmap2 >> 8) & 0xffff);
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printf(" FMSBA: 0x%x\n", ((fdb->flmap2) & 0xff) << 4);
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printf("FLUMAP1: 0x%08x\n", fdb->flumap1);
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dump_frba((frba_t *)
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(image + (((fdb->flmap0 >> 16) & 0xff) << 4)));
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dump_fcba((fcba_t *) (image + (((fdb->flmap0) & 0xff) << 4)));
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dump_fpsba((fpsba_t *)
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(image + (((fdb->flmap1 >> 16) & 0xff) << 4)));
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dump_fmba((fmba_t *) (image + (((fdb->flmap1) & 0xff) << 4)));
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dump_fmsba((fmsba_t *) (image + (((fdb->flmap2) & 0xff) << 4)));
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}
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static void write_regions(char *image, int size)
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{
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int i;
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fdbar_t *fdb = find_fd(image, size);
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if (!fdb)
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exit(EXIT_FAILURE);
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frba_t *frba =
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(frba_t *) (image + (((fdb->flmap0 >> 16) & 0xff) << 4));
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for (i = 0; i<5; i++) {
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region_t region = get_region(frba, i);
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printf("Flash Region %d (%s): %08x - %08x %s\n",
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i, region_name(i), region.base, region.limit,
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region.size < 1 ? "(unused)" : "");
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if (region.size > 0) {
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int region_fd;
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region_fd = open(region_filename(i),
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O_WRONLY | O_CREAT | O_TRUNC,
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S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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if (write(region_fd, image + region.base, region.size) != region.size)
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printf("Error while writing.");
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close(region_fd);
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}
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}
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}
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static void write_image(char *filename, char *image, int size)
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{
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char new_filename[FILENAME_MAX]; // allow long file names
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int new_fd;
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strncpy(new_filename, filename, FILENAME_MAX);
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strncat(new_filename, ".new", FILENAME_MAX - strlen(filename));
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printf("Writing new image to %s\n", new_filename);
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// Now write out new image
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new_fd = open(new_filename,
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O_WRONLY | O_CREAT | O_TRUNC,
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S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
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if (write(new_fd, image, size) != size)
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printf("Error while writing.");
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close(new_fd);
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}
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static void set_spi_frequency(char *filename, char *image, int size,
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enum spi_frequency freq)
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{
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fdbar_t *fdb = find_fd(image, size);
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fcba_t *fcba = (fcba_t *) (image + (((fdb->flmap0) & 0xff) << 4));
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/* clear bits 21-29 */
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fcba->flcomp &= ~0x3fe00000;
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/* Read ID and Read Status Clock Frequency */
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fcba->flcomp |= freq << 27;
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/* Write and Erase Clock Frequency */
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fcba->flcomp |= freq << 24;
|
||||||
|
/* Fast Read Clock Frequency */
|
||||||
|
fcba->flcomp |= freq << 21;
|
||||||
|
|
||||||
|
write_image(filename, image, size);
|
||||||
|
}
|
||||||
|
|
||||||
|
void inject_region(char *filename, char *image, int size, int region_type,
|
||||||
|
char *region_fname)
|
||||||
|
{
|
||||||
|
fdbar_t *fdb = find_fd(image, size);
|
||||||
|
if (!fdb)
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
frba_t *frba =
|
||||||
|
(frba_t *) (image + (((fdb->flmap0 >> 16) & 0xff) << 4));
|
||||||
|
|
||||||
|
region_t region = get_region(frba, region_type);
|
||||||
|
if (region.size <= 0xfff) {
|
||||||
|
fprintf(stderr, "Region %s is disabled in target. Not injecting.\n",
|
||||||
|
region_name(region_type));
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
int region_fd = open(region_fname, O_RDONLY);
|
||||||
|
if (region_fd == -1) {
|
||||||
|
perror("Could not open file");
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
struct stat buf;
|
||||||
|
if (fstat(region_fd, &buf) == -1) {
|
||||||
|
perror("Could not stat file");
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
int region_size = buf.st_size;
|
||||||
|
|
||||||
|
printf("File %s is %d bytes\n", region_fname, region_size);
|
||||||
|
|
||||||
|
if ( (region_size > region.size) || ((region_type != 1) &&
|
||||||
|
(region_size != region.size))) {
|
||||||
|
fprintf(stderr, "Region %s is %d(0x%x) bytes. File is %d(0x%x)"
|
||||||
|
" bytes. Not injecting.\n",
|
||||||
|
region_name(region_type), region.size,
|
||||||
|
region.size, region_size, region_size);
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
int offset = 0;
|
||||||
|
if ((region_type == 1) && (region_size < region.size)) {
|
||||||
|
fprintf(stderr, "Region %s is %d(0x%x) bytes. File is %d(0x%x)"
|
||||||
|
" bytes. Padding before injecting.\n",
|
||||||
|
region_name(region_type), region.size,
|
||||||
|
region.size, region_size, region_size);
|
||||||
|
offset = region.size - region_size;
|
||||||
|
memset(image + region.base, 0xff, offset);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (read(region_fd, image + region.base + offset, region_size)
|
||||||
|
!= region_size) {
|
||||||
|
perror("Could not read file");
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
close(region_fd);
|
||||||
|
|
||||||
|
printf("Adding %s as the %s section of %s\n",
|
||||||
|
region_fname, region_name(region_type), filename);
|
||||||
|
write_image(filename, image, size);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void print_version(void)
|
||||||
|
{
|
||||||
|
printf("ifdtool v%s -- ", IFDTOOL_VERSION);
|
||||||
|
printf("Copyright (C) 2011 Google Inc.\n\n");
|
||||||
|
printf
|
||||||
|
("This program is free software: you can redistribute it and/or modify\n"
|
||||||
|
"it under the terms of the GNU General Public License as published by\n"
|
||||||
|
"the Free Software Foundation, version 2 of the License.\n\n"
|
||||||
|
"This program is distributed in the hope that it will be useful,\n"
|
||||||
|
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
|
||||||
|
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
|
||||||
|
"GNU General Public License for more details.\n\n"
|
||||||
|
"You should have received a copy of the GNU General Public License\n"
|
||||||
|
"along with this program. If not, see <http://www.gnu.org/licenses/>.\n\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void print_usage(const char *name)
|
||||||
|
{
|
||||||
|
printf("usage: %s [-vhdix?] <filename>\n", name);
|
||||||
|
printf("\n"
|
||||||
|
" -d | --dump: dump intel firmware descriptor\n"
|
||||||
|
" -x | --extract: extract intel fd modules\n"
|
||||||
|
" -i | --inject <region>:<module> inject file <module> into region <region>\n"
|
||||||
|
" -s | --spifreq <20|33|50> set the SPI frequency\n"
|
||||||
|
" -v | --version: print the version\n"
|
||||||
|
" -h | --help: print this help\n\n"
|
||||||
|
"<region> is one of Descriptor, BIOS, ME, GbE, Platform\n"
|
||||||
|
"\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(int argc, char *argv[])
|
||||||
|
{
|
||||||
|
int opt, option_index = 0;
|
||||||
|
int mode_dump = 0, mode_extract = 0, mode_inject = 0, mode_spifreq = 0;
|
||||||
|
char *region_type_string = NULL, *region_fname = NULL;
|
||||||
|
int region_type = -1, inputfreq = 0;
|
||||||
|
enum spi_frequency spifreq = SPI_FREQUENCY_20MHZ;
|
||||||
|
|
||||||
|
static struct option long_options[] = {
|
||||||
|
{"dump", 0, NULL, 'd'},
|
||||||
|
{"extract", 0, NULL, 'x'},
|
||||||
|
{"inject", 1, NULL, 'i'},
|
||||||
|
{"spifreq", 1, NULL, 's'},
|
||||||
|
{"version", 0, NULL, 'v'},
|
||||||
|
{"help", 0, NULL, 'h'},
|
||||||
|
{0, 0, 0, 0}
|
||||||
|
};
|
||||||
|
|
||||||
|
while ((opt = getopt_long(argc, argv, "dxi:s:vh?",
|
||||||
|
long_options, &option_index)) != EOF) {
|
||||||
|
switch (opt) {
|
||||||
|
case 'd':
|
||||||
|
mode_dump = 1;
|
||||||
|
break;
|
||||||
|
case 'x':
|
||||||
|
mode_extract = 1;
|
||||||
|
break;
|
||||||
|
case 'i':
|
||||||
|
// separate type and file name
|
||||||
|
region_type_string = strdup(optarg);
|
||||||
|
region_fname = strchr(region_type_string, ':');
|
||||||
|
if (!region_fname) {
|
||||||
|
print_usage(argv[0]);
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
region_fname[0] = '\0';
|
||||||
|
region_fname++;
|
||||||
|
// Descriptor, BIOS, ME, GbE, Platform
|
||||||
|
// valid type?
|
||||||
|
if (!strcasecmp("Descriptor", region_type_string))
|
||||||
|
region_type = 0;
|
||||||
|
else if (!strcasecmp("BIOS", region_type_string))
|
||||||
|
region_type = 1;
|
||||||
|
else if (!strcasecmp("ME", region_type_string))
|
||||||
|
region_type = 2;
|
||||||
|
else if (!strcasecmp("GbE", region_type_string))
|
||||||
|
region_type = 3;
|
||||||
|
else if (!strcasecmp("Platform", region_type_string))
|
||||||
|
region_type = 4;
|
||||||
|
if (region_type == -1) {
|
||||||
|
fprintf(stderr, "No such region type: '%s'\n\n",
|
||||||
|
region_type_string);
|
||||||
|
print_usage(argv[0]);
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
mode_inject = 1;
|
||||||
|
break;
|
||||||
|
case 's':
|
||||||
|
// Parse the requested SPI frequency
|
||||||
|
inputfreq = strtol(optarg, NULL, 0);
|
||||||
|
switch (inputfreq) {
|
||||||
|
case 20:
|
||||||
|
spifreq = SPI_FREQUENCY_20MHZ;
|
||||||
|
break;
|
||||||
|
case 33:
|
||||||
|
spifreq = SPI_FREQUENCY_33MHZ;
|
||||||
|
break;
|
||||||
|
case 50:
|
||||||
|
spifreq = SPI_FREQUENCY_50MHZ;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
fprintf(stderr, "Invalid SPI Frequency: %d\n",
|
||||||
|
inputfreq);
|
||||||
|
print_usage(argv[0]);
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
mode_spifreq = 1;
|
||||||
|
break;
|
||||||
|
case 'v':
|
||||||
|
print_version();
|
||||||
|
exit(EXIT_SUCCESS);
|
||||||
|
break;
|
||||||
|
case 'h':
|
||||||
|
case '?':
|
||||||
|
default:
|
||||||
|
print_usage(argv[0]);
|
||||||
|
exit(EXIT_SUCCESS);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((mode_dump + mode_extract + mode_inject + mode_spifreq) > 1) {
|
||||||
|
fprintf(stderr, "Only one mode allowed.\n\n");
|
||||||
|
print_usage(argv[0]);
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((mode_dump + mode_extract + mode_inject + mode_spifreq) == 0) {
|
||||||
|
fprintf(stderr, "You need to specify a mode.\n\n");
|
||||||
|
print_usage(argv[0]);
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (optind + 1 != argc) {
|
||||||
|
fprintf(stderr, "You need to specify a file.\n\n");
|
||||||
|
print_usage(argv[0]);
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
char *filename = argv[optind];
|
||||||
|
int bios_fd = open(filename, O_RDONLY);
|
||||||
|
if (bios_fd == -1) {
|
||||||
|
perror("Could not open file");
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
struct stat buf;
|
||||||
|
if (fstat(bios_fd, &buf) == -1) {
|
||||||
|
perror("Could not stat file");
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
int size = buf.st_size;
|
||||||
|
|
||||||
|
printf("File %s is %d bytes\n", filename, size);
|
||||||
|
|
||||||
|
char *image = malloc(size);
|
||||||
|
if (!image) {
|
||||||
|
printf("Out of memory.\n");
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (read(bios_fd, image, size) != size) {
|
||||||
|
perror("Could not read file");
|
||||||
|
exit(EXIT_FAILURE);
|
||||||
|
}
|
||||||
|
|
||||||
|
close(bios_fd);
|
||||||
|
|
||||||
|
if (mode_dump)
|
||||||
|
dump_fd(image, size);
|
||||||
|
|
||||||
|
if (mode_extract)
|
||||||
|
write_regions(image, size);
|
||||||
|
|
||||||
|
if (mode_inject)
|
||||||
|
inject_region(filename, image, size, region_type,
|
||||||
|
region_fname);
|
||||||
|
|
||||||
|
if (mode_spifreq)
|
||||||
|
set_spi_frequency(filename, image, size, spifreq);
|
||||||
|
|
||||||
|
free(image);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,87 @@
|
||||||
|
/*
|
||||||
|
* ifdtool - dump Intel Firmware Descriptor information
|
||||||
|
*
|
||||||
|
* Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation; version 2 of the License.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stdint.h>
|
||||||
|
#define IFDTOOL_VERSION "1.0"
|
||||||
|
|
||||||
|
enum spi_frequency {
|
||||||
|
SPI_FREQUENCY_20MHZ = 0,
|
||||||
|
SPI_FREQUENCY_33MHZ = 1,
|
||||||
|
SPI_FREQUENCY_50MHZ = 4,
|
||||||
|
};
|
||||||
|
|
||||||
|
// flash descriptor
|
||||||
|
typedef struct {
|
||||||
|
uint32_t flvalsig;
|
||||||
|
uint32_t flmap0;
|
||||||
|
uint32_t flmap1;
|
||||||
|
uint32_t flmap2;
|
||||||
|
uint8_t reserved[0xefc - 0x20];
|
||||||
|
uint32_t flumap1;
|
||||||
|
} __attribute__((packed)) fdbar_t;
|
||||||
|
|
||||||
|
// regions
|
||||||
|
typedef struct {
|
||||||
|
uint32_t flreg0;
|
||||||
|
uint32_t flreg1;
|
||||||
|
uint32_t flreg2;
|
||||||
|
uint32_t flreg3;
|
||||||
|
uint32_t flreg4;
|
||||||
|
} __attribute__((packed)) frba_t;
|
||||||
|
|
||||||
|
// component section
|
||||||
|
typedef struct {
|
||||||
|
uint32_t flcomp;
|
||||||
|
uint32_t flill;
|
||||||
|
uint32_t flpb;
|
||||||
|
} __attribute__((packed)) fcba_t;
|
||||||
|
|
||||||
|
// pch strap
|
||||||
|
typedef struct {
|
||||||
|
uint32_t pchstrp0;
|
||||||
|
uint32_t pchstrp1;
|
||||||
|
uint32_t pchstrp2;
|
||||||
|
uint32_t pchstrp3;
|
||||||
|
uint32_t pchstrp4;
|
||||||
|
uint32_t pchstrp5;
|
||||||
|
uint32_t pchstrp6;
|
||||||
|
uint32_t pchstrp7;
|
||||||
|
uint32_t pchstrp8;
|
||||||
|
uint32_t pchstrp9;
|
||||||
|
uint32_t pchstrp10;
|
||||||
|
uint32_t pchstrp11;
|
||||||
|
uint32_t pchstrp12;
|
||||||
|
uint32_t pchstrp13;
|
||||||
|
uint32_t pchstrp14;
|
||||||
|
uint32_t pchstrp15;
|
||||||
|
} __attribute__((packed)) fpsba_t;
|
||||||
|
|
||||||
|
// master
|
||||||
|
typedef struct {
|
||||||
|
uint32_t flmstr1;
|
||||||
|
uint32_t flmstr2;
|
||||||
|
uint32_t flmstr3;
|
||||||
|
} __attribute__((packed)) fmba_t;
|
||||||
|
|
||||||
|
// processor strap
|
||||||
|
typedef struct {
|
||||||
|
uint32_t data[8];
|
||||||
|
} __attribute__((packed)) fmsba_t;
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue