mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-14 07:13:03 +00:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value. find . -name '*.c' -exec \ sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \; find . -name '*.h' -exec \ sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \; Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
1109 lines
28 KiB
C
1109 lines
28 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* ifdtool - Manage Intel Firmware Descriptor information
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*
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* Copyright 2014 Google, Inc
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*
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* From Coreboot project, but it got a serious code clean-up
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* and a few new features
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*/
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#include <assert.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <stdbool.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 <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <linux/libfdt.h>
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#include "ifdtool.h"
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#undef DEBUG
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#ifdef DEBUG
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#define debug(fmt, args...) printf(fmt, ##args)
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#else
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#define debug(fmt, args...)
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#endif
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#define FD_SIGNATURE 0x0FF0A55A
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#define FLREG_BASE(reg) ((reg & 0x00000fff) << 12);
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#define FLREG_LIMIT(reg) (((reg & 0x0fff0000) >> 4) | 0xfff);
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struct input_file {
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char *fname;
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unsigned int addr;
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};
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/**
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* find_fd() - Find the flash description in the ROM image
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*
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* @image: Pointer to image
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* @size: Size of image in bytes
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* Return: pointer to structure, or NULL if not found
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*/
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static struct fdbar_t *find_fd(char *image, int size)
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{
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uint32_t *ptr, *end;
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/* Scan for FD signature */
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for (ptr = (uint32_t *)image, end = ptr + size / 4; ptr < end; ptr++) {
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if (*ptr == FD_SIGNATURE)
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break;
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}
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if (ptr == end) {
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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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debug("Found Flash Descriptor signature at 0x%08lx\n",
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(char *)ptr - image);
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return (struct fdbar_t *)ptr;
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}
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/**
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* get_region() - Get information about the selected region
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*
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* @frba: Flash region list
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* @region_type: Type of region (0..MAX_REGIONS-1)
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* @region: Region information is written here
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* Return: 0 if OK, else -ve
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*/
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static int get_region(struct frba_t *frba, int region_type,
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struct region_t *region)
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{
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if (region_type >= MAX_REGIONS) {
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fprintf(stderr, "Invalid region type.\n");
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return -1;
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}
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region->base = FLREG_BASE(frba->flreg[region_type]);
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region->limit = FLREG_LIMIT(frba->flreg[region_type]);
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region->size = region->limit - region->base + 1;
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return 0;
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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 *const regions[] = {
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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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assert(region_type < MAX_REGIONS);
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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 *const region_filenames[] = {
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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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assert(region_type < MAX_REGIONS);
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return region_filenames[region_type];
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}
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static int dump_region(int num, struct frba_t *frba)
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{
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struct region_t region;
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int ret;
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ret = get_region(frba, num, ®ion);
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if (ret)
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return ret;
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printf(" Flash Region %d (%s): %08x - %08x %s\n",
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num, region_name(num), region.base, region.limit,
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region.size < 1 ? "(unused)" : "");
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return ret;
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}
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static void dump_frba(struct frba_t *frba)
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{
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int i;
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printf("Found Region Section\n");
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for (i = 0; i < MAX_REGIONS; i++) {
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printf("FLREG%d: 0x%08x\n", i, frba->flreg[i]);
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dump_region(i, frba);
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}
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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 decode_component_density(unsigned int density)
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{
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switch (density) {
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case COMPONENT_DENSITY_512KB:
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printf("512KiB");
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break;
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case COMPONENT_DENSITY_1MB:
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printf("1MiB");
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break;
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case COMPONENT_DENSITY_2MB:
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printf("2MiB");
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break;
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case COMPONENT_DENSITY_4MB:
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printf("4MiB");
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break;
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case COMPONENT_DENSITY_8MB:
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printf("8MiB");
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break;
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case COMPONENT_DENSITY_16MB:
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printf("16MiB");
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break;
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default:
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printf("unknown<%x>MiB", density);
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}
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}
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static void dump_fcba(struct 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(" Dual Output Fast Read Support: %ssupported\n",
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(fcba->flcomp & (1 << 30)) ? "" : "not ");
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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 Fast Read Support: %ssupported",
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(fcba->flcomp & (1 << 20)) ? "" : "not ");
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printf("\n Read Clock Frequency: ");
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decode_spi_frequency((fcba->flcomp >> 17) & 7);
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printf("\n Component 2 Density: ");
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decode_component_density((fcba->flcomp >> 3) & 7);
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printf("\n Component 1 Density: ");
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decode_component_density(fcba->flcomp & 7);
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printf("\n");
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printf("FLILL 0x%08x\n", fcba->flill);
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printf(" Invalid Instruction 3: 0x%02x\n",
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(fcba->flill >> 24) & 0xff);
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printf(" Invalid Instruction 2: 0x%02x\n",
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(fcba->flill >> 16) & 0xff);
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printf(" Invalid Instruction 1: 0x%02x\n",
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(fcba->flill >> 8) & 0xff);
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printf(" Invalid Instruction 0: 0x%02x\n",
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fcba->flill & 0xff);
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printf("FLPB 0x%08x\n", fcba->flpb);
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printf(" Flash Partition Boundary Address: 0x%06x\n\n",
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(fcba->flpb & 0xfff) << 12);
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}
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static void dump_fpsba(struct fpsba_t *fpsba)
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{
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int i;
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printf("Found PCH Strap Section\n");
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for (i = 0; i < MAX_STRAPS; i++)
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printf("PCHSTRP%-2d: 0x%08x\n", i, fpsba->pchstrp[i]);
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}
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static const char *get_enabled(int flag)
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{
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return flag ? "enabled" : "disabled";
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}
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static void decode_flmstr(uint32_t flmstr)
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{
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printf(" Platform Data Region Write Access: %s\n",
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get_enabled(flmstr & (1 << 28)));
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printf(" GbE Region Write Access: %s\n",
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get_enabled(flmstr & (1 << 27)));
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printf(" Intel ME Region Write Access: %s\n",
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get_enabled(flmstr & (1 << 26)));
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printf(" Host CPU/BIOS Region Write Access: %s\n",
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get_enabled(flmstr & (1 << 25)));
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printf(" Flash Descriptor Write Access: %s\n",
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get_enabled(flmstr & (1 << 24)));
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printf(" Platform Data Region Read Access: %s\n",
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get_enabled(flmstr & (1 << 20)));
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printf(" GbE Region Read Access: %s\n",
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get_enabled(flmstr & (1 << 19)));
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printf(" Intel ME Region Read Access: %s\n",
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get_enabled(flmstr & (1 << 18)));
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printf(" Host CPU/BIOS Region Read Access: %s\n",
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get_enabled(flmstr & (1 << 17)));
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printf(" Flash Descriptor Read Access: %s\n",
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get_enabled(flmstr & (1 << 16)));
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printf(" Requester ID: 0x%04x\n\n",
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flmstr & 0xffff);
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}
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static void dump_fmba(struct fmba_t *fmba)
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{
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printf("Found Master Section\n");
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printf("FLMSTR1: 0x%08x (Host CPU/BIOS)\n", fmba->flmstr1);
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decode_flmstr(fmba->flmstr1);
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printf("FLMSTR2: 0x%08x (Intel ME)\n", fmba->flmstr2);
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decode_flmstr(fmba->flmstr2);
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printf("FLMSTR3: 0x%08x (GbE)\n", fmba->flmstr3);
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decode_flmstr(fmba->flmstr3);
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}
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static void dump_fmsba(struct fmsba_t *fmsba)
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{
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int i;
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printf("Found Processor Strap Section\n");
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for (i = 0; i < 4; i++)
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printf("????: 0x%08x\n", fmsba->data[0]);
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}
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static void dump_jid(uint32_t jid)
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{
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printf(" SPI Component Device ID 1: 0x%02x\n",
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(jid >> 16) & 0xff);
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printf(" SPI Component Device ID 0: 0x%02x\n",
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(jid >> 8) & 0xff);
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printf(" SPI Component Vendor ID: 0x%02x\n",
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jid & 0xff);
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}
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static void dump_vscc(uint32_t vscc)
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{
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printf(" Lower Erase Opcode: 0x%02x\n",
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vscc >> 24);
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printf(" Lower Write Enable on Write Status: 0x%02x\n",
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vscc & (1 << 20) ? 0x06 : 0x50);
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printf(" Lower Write Status Required: %s\n",
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vscc & (1 << 19) ? "Yes" : "No");
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printf(" Lower Write Granularity: %d bytes\n",
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vscc & (1 << 18) ? 64 : 1);
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printf(" Lower Block / Sector Erase Size: ");
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switch ((vscc >> 16) & 0x3) {
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case 0:
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printf("256 Byte\n");
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break;
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case 1:
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printf("4KB\n");
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break;
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case 2:
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printf("8KB\n");
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break;
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case 3:
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printf("64KB\n");
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break;
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}
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printf(" Upper Erase Opcode: 0x%02x\n",
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(vscc >> 8) & 0xff);
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printf(" Upper Write Enable on Write Status: 0x%02x\n",
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vscc & (1 << 4) ? 0x06 : 0x50);
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printf(" Upper Write Status Required: %s\n",
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vscc & (1 << 3) ? "Yes" : "No");
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printf(" Upper Write Granularity: %d bytes\n",
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vscc & (1 << 2) ? 64 : 1);
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printf(" Upper Block / Sector Erase Size: ");
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switch (vscc & 0x3) {
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case 0:
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printf("256 Byte\n");
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break;
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case 1:
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printf("4KB\n");
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break;
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case 2:
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printf("8KB\n");
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break;
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case 3:
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printf("64KB\n");
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break;
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}
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}
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static void dump_vtba(struct vtba_t *vtba, int vtl)
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{
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int i;
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int num = (vtl >> 1) < 8 ? (vtl >> 1) : 8;
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printf("ME VSCC table:\n");
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for (i = 0; i < num; i++) {
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printf(" JID%d: 0x%08x\n", i, vtba->entry[i].jid);
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dump_jid(vtba->entry[i].jid);
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printf(" VSCC%d: 0x%08x\n", i, vtba->entry[i].vscc);
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dump_vscc(vtba->entry[i].vscc);
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}
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printf("\n");
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}
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static void dump_oem(uint8_t *oem)
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{
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int i, j;
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printf("OEM Section:\n");
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for (i = 0; i < 4; i++) {
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printf("%02x:", i << 4);
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for (j = 0; j < 16; j++)
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printf(" %02x", oem[(i<<4)+j]);
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printf("\n");
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}
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printf("\n");
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}
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/**
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* dump_fd() - Display a dump of the full flash description
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*
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* @image: Pointer to image
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* @size: Size of image in bytes
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* Return: 0 if OK, -1 on error
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*/
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static int dump_fd(char *image, int size)
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{
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struct fdbar_t *fdb = find_fd(image, size);
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if (!fdb)
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return -1;
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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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printf(" Intel ME VSCC Table Length (VTL): %d\n",
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(fdb->flumap1 >> 8) & 0xff);
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printf(" Intel ME VSCC Table Base Address (VTBA): 0x%06x\n\n",
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(fdb->flumap1 & 0xff) << 4);
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dump_vtba((struct vtba_t *)
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(image + ((fdb->flumap1 & 0xff) << 4)),
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(fdb->flumap1 >> 8) & 0xff);
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dump_oem((uint8_t *)image + 0xf00);
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dump_frba((struct frba_t *)(image + (((fdb->flmap0 >> 16) & 0xff)
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<< 4)));
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dump_fcba((struct fcba_t *)(image + (((fdb->flmap0) & 0xff) << 4)));
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dump_fpsba((struct fpsba_t *)
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(image + (((fdb->flmap1 >> 16) & 0xff) << 4)));
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dump_fmba((struct fmba_t *)(image + (((fdb->flmap1) & 0xff) << 4)));
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dump_fmsba((struct fmsba_t *)(image + (((fdb->flmap2) & 0xff) << 4)));
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return 0;
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}
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/**
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* write_regions() - Write each region from an image to its own file
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*
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* The filename to use in each case is fixed - see region_filename()
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*
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* @image: Pointer to image
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* @size: Size of image in bytes
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* Return: 0 if OK, -ve on error
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*/
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static int write_regions(char *image, int size)
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{
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struct fdbar_t *fdb;
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struct frba_t *frba;
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int ret = 0;
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int i;
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fdb = find_fd(image, size);
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if (!fdb)
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return -1;
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frba = (struct frba_t *)(image + (((fdb->flmap0 >> 16) & 0xff) << 4));
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for (i = 0; i < MAX_REGIONS; i++) {
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struct region_t region;
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int region_fd;
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ret = get_region(frba, i, ®ion);
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if (ret)
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return ret;
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dump_region(i, frba);
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if (region.size <= 0)
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continue;
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region_fd = open(region_filename(i),
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O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR |
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S_IWUSR | S_IRGRP | S_IROTH);
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if (write(region_fd, image + region.base, region.size) !=
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region.size) {
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perror("Error while writing");
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ret = -1;
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}
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close(region_fd);
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}
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return ret;
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}
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|
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static int perror_fname(const char *fmt, const char *fname)
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{
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char msg[strlen(fmt) + strlen(fname) + 1];
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sprintf(msg, fmt, fname);
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perror(msg);
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return -1;
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}
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|
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/**
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* write_image() - Write the image to a file
|
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*
|
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* @filename: Filename to use for the image
|
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* @image: Pointer to image
|
|
* @size: Size of image in bytes
|
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* Return: 0 if OK, -ve on error
|
|
*/
|
|
static int write_image(char *filename, char *image, int size)
|
|
{
|
|
int new_fd;
|
|
|
|
debug("Writing new image to %s\n", filename);
|
|
|
|
new_fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR |
|
|
S_IWUSR | S_IRGRP | S_IROTH);
|
|
if (new_fd < 0)
|
|
return perror_fname("Could not open file '%s'", filename);
|
|
if (write(new_fd, image, size) != size)
|
|
return perror_fname("Could not write file '%s'", filename);
|
|
close(new_fd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* set_spi_frequency() - Set the SPI frequency to use when booting
|
|
*
|
|
* Several frequencies are supported, some of which work with fast devices.
|
|
* For SPI emulators, the slowest (SPI_FREQUENCY_20MHZ) is often used. The
|
|
* Intel boot system uses this information somehow on boot.
|
|
*
|
|
* The image is updated with the supplied value
|
|
*
|
|
* @image: Pointer to image
|
|
* @size: Size of image in bytes
|
|
* @freq: SPI frequency to use
|
|
*/
|
|
static void set_spi_frequency(char *image, int size, enum spi_frequency freq)
|
|
{
|
|
struct fdbar_t *fdb = find_fd(image, size);
|
|
struct fcba_t *fcba;
|
|
|
|
fcba = (struct fcba_t *)(image + (((fdb->flmap0) & 0xff) << 4));
|
|
|
|
/* clear bits 21-29 */
|
|
fcba->flcomp &= ~0x3fe00000;
|
|
/* Read ID and Read Status Clock Frequency */
|
|
fcba->flcomp |= freq << 27;
|
|
/* Write and Erase Clock Frequency */
|
|
fcba->flcomp |= freq << 24;
|
|
/* Fast Read Clock Frequency */
|
|
fcba->flcomp |= freq << 21;
|
|
}
|
|
|
|
/**
|
|
* set_em100_mode() - Set a SPI frequency that will work with Dediprog EM100
|
|
*
|
|
* @image: Pointer to image
|
|
* @size: Size of image in bytes
|
|
*/
|
|
static void set_em100_mode(char *image, int size)
|
|
{
|
|
struct fdbar_t *fdb = find_fd(image, size);
|
|
struct fcba_t *fcba;
|
|
|
|
fcba = (struct fcba_t *)(image + (((fdb->flmap0) & 0xff) << 4));
|
|
fcba->flcomp &= ~(1 << 30);
|
|
set_spi_frequency(image, size, SPI_FREQUENCY_20MHZ);
|
|
}
|
|
|
|
/**
|
|
* lock_descriptor() - Lock the NE descriptor so it cannot be updated
|
|
*
|
|
* @image: Pointer to image
|
|
* @size: Size of image in bytes
|
|
*/
|
|
static void lock_descriptor(char *image, int size)
|
|
{
|
|
struct fdbar_t *fdb = find_fd(image, size);
|
|
struct fmba_t *fmba;
|
|
|
|
/*
|
|
* TODO: Dynamically take Platform Data Region and GbE Region into
|
|
* account.
|
|
*/
|
|
fmba = (struct fmba_t *)(image + (((fdb->flmap1) & 0xff) << 4));
|
|
fmba->flmstr1 = 0x0a0b0000;
|
|
fmba->flmstr2 = 0x0c0d0000;
|
|
fmba->flmstr3 = 0x08080118;
|
|
}
|
|
|
|
/**
|
|
* unlock_descriptor() - Lock the NE descriptor so it can be updated
|
|
*
|
|
* @image: Pointer to image
|
|
* @size: Size of image in bytes
|
|
*/
|
|
static void unlock_descriptor(char *image, int size)
|
|
{
|
|
struct fdbar_t *fdb = find_fd(image, size);
|
|
struct fmba_t *fmba;
|
|
|
|
fmba = (struct fmba_t *)(image + (((fdb->flmap1) & 0xff) << 4));
|
|
fmba->flmstr1 = 0xffff0000;
|
|
fmba->flmstr2 = 0xffff0000;
|
|
fmba->flmstr3 = 0x08080118;
|
|
}
|
|
|
|
/**
|
|
* open_for_read() - Open a file for reading
|
|
*
|
|
* @fname: Filename to open
|
|
* @sizep: Returns file size in bytes
|
|
* Return: 0 if OK, -1 on error
|
|
*/
|
|
int open_for_read(const char *fname, int *sizep)
|
|
{
|
|
int fd = open(fname, O_RDONLY);
|
|
struct stat buf;
|
|
|
|
if (fd == -1)
|
|
return perror_fname("Could not open file '%s'", fname);
|
|
if (fstat(fd, &buf) == -1)
|
|
return perror_fname("Could not stat file '%s'", fname);
|
|
*sizep = buf.st_size;
|
|
debug("File %s is %d bytes\n", fname, *sizep);
|
|
|
|
return fd;
|
|
}
|
|
|
|
/**
|
|
* inject_region() - Add a file to an image region
|
|
*
|
|
* This puts a file into a particular region of the flash. Several pre-defined
|
|
* regions are used.
|
|
*
|
|
* @image: Pointer to image
|
|
* @size: Size of image in bytes
|
|
* @region_type: Region where the file should be added
|
|
* @region_fname: Filename to add to the image
|
|
* Return: 0 if OK, -ve on error
|
|
*/
|
|
int inject_region(char *image, int size, int region_type, char *region_fname)
|
|
{
|
|
struct fdbar_t *fdb = find_fd(image, size);
|
|
struct region_t region;
|
|
struct frba_t *frba;
|
|
int region_size;
|
|
int offset = 0;
|
|
int region_fd;
|
|
int ret;
|
|
|
|
if (!fdb)
|
|
exit(EXIT_FAILURE);
|
|
frba = (struct frba_t *)(image + (((fdb->flmap0 >> 16) & 0xff) << 4));
|
|
|
|
ret = get_region(frba, region_type, ®ion);
|
|
if (ret)
|
|
return -1;
|
|
if (region.size <= 0xfff) {
|
|
fprintf(stderr, "Region %s is disabled in target. Not injecting.\n",
|
|
region_name(region_type));
|
|
return -1;
|
|
}
|
|
|
|
region_fd = open_for_read(region_fname, ®ion_size);
|
|
if (region_fd < 0)
|
|
return region_fd;
|
|
|
|
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);
|
|
return -1;
|
|
}
|
|
|
|
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 (size < region.base + offset + region_size) {
|
|
fprintf(stderr, "Output file is too small. (%d < %d)\n",
|
|
size, region.base + offset + region_size);
|
|
return -1;
|
|
}
|
|
|
|
if (read(region_fd, image + region.base + offset, region_size)
|
|
!= region_size) {
|
|
perror("Could not read file");
|
|
return -1;
|
|
}
|
|
|
|
close(region_fd);
|
|
|
|
debug("Adding %s as the %s section\n", region_fname,
|
|
region_name(region_type));
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* write_data() - Write some raw data into a region
|
|
*
|
|
* This puts a file into a particular place in the flash, ignoring the
|
|
* regions. Be careful not to overwrite something important.
|
|
*
|
|
* @image: Pointer to image
|
|
* @size: Size of image in bytes
|
|
* @addr: x86 ROM address to put file. The ROM ends at
|
|
* 0xffffffff so use an address relative to that. For an
|
|
* 8MB ROM the start address is 0xfff80000.
|
|
* @write_fname: Filename to add to the image
|
|
* @offset_uboot_top: Offset of the top of U-Boot
|
|
* @offset_uboot_start: Offset of the start of U-Boot
|
|
* Return: number of bytes written if OK, -ve on error
|
|
*/
|
|
static int write_data(char *image, int size, unsigned int addr,
|
|
const char *write_fname, int offset_uboot_top,
|
|
int offset_uboot_start)
|
|
{
|
|
int write_fd, write_size;
|
|
int offset;
|
|
|
|
write_fd = open_for_read(write_fname, &write_size);
|
|
if (write_fd < 0)
|
|
return write_fd;
|
|
|
|
offset = (uint32_t)(addr + size);
|
|
if (offset_uboot_top) {
|
|
if (offset_uboot_start < offset &&
|
|
offset_uboot_top >= offset) {
|
|
fprintf(stderr, "U-Boot image overlaps with region '%s'\n",
|
|
write_fname);
|
|
fprintf(stderr,
|
|
"U-Boot finishes at offset %x, file starts at %x\n",
|
|
offset_uboot_top, offset);
|
|
return -EXDEV;
|
|
}
|
|
if (offset_uboot_start > offset &&
|
|
offset_uboot_start <= offset + write_size) {
|
|
fprintf(stderr, "U-Boot image overlaps with region '%s'\n",
|
|
write_fname);
|
|
fprintf(stderr,
|
|
"U-Boot starts at offset %x, file finishes at %x\n",
|
|
offset_uboot_start, offset + write_size);
|
|
return -EXDEV;
|
|
}
|
|
}
|
|
debug("Writing %s to offset %#x\n", write_fname, offset);
|
|
|
|
if (offset < 0 || offset + write_size > size) {
|
|
fprintf(stderr, "Output file is too small. (%d < %d)\n",
|
|
size, offset + write_size);
|
|
return -1;
|
|
}
|
|
|
|
if (read(write_fd, image + offset, write_size) != write_size) {
|
|
perror("Could not read file");
|
|
return -1;
|
|
}
|
|
|
|
close(write_fd);
|
|
|
|
return write_size;
|
|
}
|
|
|
|
static void print_version(void)
|
|
{
|
|
printf("ifdtool v%s -- ", IFDTOOL_VERSION);
|
|
printf("Copyright (C) 2014 Google Inc.\n\n");
|
|
printf("SPDX-License-Identifier: GPL-2.0+\n");
|
|
}
|
|
|
|
static void print_usage(const char *name)
|
|
{
|
|
printf("usage: %s [-vhdix?] <filename> [<outfile>]\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"
|
|
" -w | --write <addr>:<file> write file to appear at memory address <addr>\n"
|
|
" multiple files can be written simultaneously\n"
|
|
" -s | --spifreq <20|33|50> set the SPI frequency\n"
|
|
" -e | --em100 set SPI frequency to 20MHz and disable\n"
|
|
" Dual Output Fast Read Support\n"
|
|
" -l | --lock Lock firmware descriptor and ME region\n"
|
|
" -u | --unlock Unlock firmware descriptor and ME region\n"
|
|
" -r | --romsize Specify ROM size\n"
|
|
" -D | --write-descriptor <file> Write descriptor at base\n"
|
|
" -c | --create Create a new empty image\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");
|
|
}
|
|
|
|
/**
|
|
* get_two_words() - Convert a string into two words separated by :
|
|
*
|
|
* The supplied string is split at ':', two substrings are allocated and
|
|
* returned.
|
|
*
|
|
* @str: String to split
|
|
* @firstp: Returns first string
|
|
* @secondp: Returns second string
|
|
* Return: 0 if OK, -ve if @str does not have a :
|
|
*/
|
|
static int get_two_words(const char *str, char **firstp, char **secondp)
|
|
{
|
|
const char *p;
|
|
|
|
p = strchr(str, ':');
|
|
if (!p)
|
|
return -1;
|
|
*firstp = strdup(str);
|
|
(*firstp)[p - str] = '\0';
|
|
*secondp = strdup(p + 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int opt, option_index = 0;
|
|
int mode_dump = 0, mode_extract = 0, mode_inject = 0;
|
|
int mode_spifreq = 0, mode_em100 = 0, mode_locked = 0;
|
|
int mode_unlocked = 0, mode_write = 0, mode_write_descriptor = 0;
|
|
int create = 0;
|
|
char *region_type_string = NULL, *inject_fname = NULL;
|
|
char *desc_fname = NULL, *addr_str = NULL;
|
|
int region_type = -1, inputfreq = 0;
|
|
enum spi_frequency spifreq = SPI_FREQUENCY_20MHZ;
|
|
struct input_file input_file[WRITE_MAX], *ifile, *fdt = NULL;
|
|
unsigned char wr_idx, wr_num = 0;
|
|
int rom_size = -1;
|
|
bool write_it;
|
|
char *filename;
|
|
char *outfile = NULL;
|
|
struct stat buf;
|
|
int size = 0;
|
|
bool have_uboot = false;
|
|
int bios_fd;
|
|
char *image;
|
|
int ret;
|
|
static struct option long_options[] = {
|
|
{"create", 0, NULL, 'c'},
|
|
{"dump", 0, NULL, 'd'},
|
|
{"descriptor", 1, NULL, 'D'},
|
|
{"em100", 0, NULL, 'e'},
|
|
{"extract", 0, NULL, 'x'},
|
|
{"fdt", 1, NULL, 'f'},
|
|
{"inject", 1, NULL, 'i'},
|
|
{"lock", 0, NULL, 'l'},
|
|
{"romsize", 1, NULL, 'r'},
|
|
{"spifreq", 1, NULL, 's'},
|
|
{"unlock", 0, NULL, 'u'},
|
|
{"uboot", 1, NULL, 'U'},
|
|
{"write", 1, NULL, 'w'},
|
|
{"version", 0, NULL, 'v'},
|
|
{"help", 0, NULL, 'h'},
|
|
{0, 0, 0, 0}
|
|
};
|
|
|
|
while ((opt = getopt_long(argc, argv, "cdD:ef:hi:lr:s:uU:vw:x?",
|
|
long_options, &option_index)) != EOF) {
|
|
switch (opt) {
|
|
case 'c':
|
|
create = 1;
|
|
break;
|
|
case 'd':
|
|
mode_dump = 1;
|
|
break;
|
|
case 'D':
|
|
mode_write_descriptor = 1;
|
|
desc_fname = optarg;
|
|
break;
|
|
case 'e':
|
|
mode_em100 = 1;
|
|
break;
|
|
case 'i':
|
|
if (get_two_words(optarg, ®ion_type_string,
|
|
&inject_fname)) {
|
|
print_usage(argv[0]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
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 'l':
|
|
mode_locked = 1;
|
|
break;
|
|
case 'r':
|
|
rom_size = strtol(optarg, NULL, 0);
|
|
debug("ROM size %d\n", rom_size);
|
|
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 'u':
|
|
mode_unlocked = 1;
|
|
break;
|
|
case 'v':
|
|
print_version();
|
|
exit(EXIT_SUCCESS);
|
|
break;
|
|
case 'w':
|
|
case 'U':
|
|
case 'f':
|
|
ifile = &input_file[wr_num];
|
|
mode_write = 1;
|
|
if (wr_num < WRITE_MAX) {
|
|
if (get_two_words(optarg, &addr_str,
|
|
&ifile->fname)) {
|
|
print_usage(argv[0]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
ifile->addr = strtoll(optarg, NULL, 0);
|
|
wr_num++;
|
|
} else {
|
|
fprintf(stderr,
|
|
"The number of files to write simultaneously exceeds the limitation (%d)\n",
|
|
WRITE_MAX);
|
|
}
|
|
break;
|
|
case 'x':
|
|
mode_extract = 1;
|
|
break;
|
|
case 'h':
|
|
case '?':
|
|
default:
|
|
print_usage(argv[0]);
|
|
exit(EXIT_SUCCESS);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (mode_locked == 1 && mode_unlocked == 1) {
|
|
fprintf(stderr, "Locking/Unlocking FD and ME are mutually exclusive\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if (mode_inject == 1 && mode_write == 1) {
|
|
fprintf(stderr, "Inject/Write are mutually exclusive\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if ((mode_dump + mode_extract + mode_inject +
|
|
(mode_spifreq | mode_em100 | mode_unlocked |
|
|
mode_locked)) > 1) {
|
|
fprintf(stderr, "You may not specify more than one mode.\n\n");
|
|
print_usage(argv[0]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if ((mode_dump + mode_extract + mode_inject + mode_spifreq +
|
|
mode_em100 + mode_locked + mode_unlocked + mode_write +
|
|
mode_write_descriptor) == 0 && !create) {
|
|
fprintf(stderr, "You need to specify a mode.\n\n");
|
|
print_usage(argv[0]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if (create && rom_size == -1) {
|
|
fprintf(stderr, "You need to specify a rom size when creating.\n\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if (optind + 1 != argc) {
|
|
fprintf(stderr, "You need to specify a file.\n\n");
|
|
print_usage(argv[0]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if (have_uboot && !fdt) {
|
|
fprintf(stderr,
|
|
"You must supply a device tree file for U-Boot\n\n");
|
|
print_usage(argv[0]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
filename = argv[optind];
|
|
if (optind + 2 != argc)
|
|
outfile = argv[optind + 1];
|
|
|
|
if (create)
|
|
bios_fd = open(filename, O_WRONLY | O_CREAT, 0666);
|
|
else
|
|
bios_fd = open(filename, outfile ? O_RDONLY : O_RDWR);
|
|
|
|
if (bios_fd == -1) {
|
|
perror("Could not open file");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
if (!create) {
|
|
if (fstat(bios_fd, &buf) == -1) {
|
|
perror("Could not stat file");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
size = buf.st_size;
|
|
}
|
|
|
|
debug("File %s is %d bytes\n", filename, size);
|
|
|
|
if (rom_size == -1)
|
|
rom_size = size;
|
|
|
|
image = malloc(rom_size);
|
|
if (!image) {
|
|
printf("Out of memory.\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
memset(image, '\xff', rom_size);
|
|
if (!create && read(bios_fd, image, size) != size) {
|
|
perror("Could not read file");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if (size != rom_size) {
|
|
debug("ROM size changed to %d bytes\n", rom_size);
|
|
size = rom_size;
|
|
}
|
|
|
|
write_it = true;
|
|
ret = 0;
|
|
if (mode_dump) {
|
|
ret = dump_fd(image, size);
|
|
write_it = false;
|
|
}
|
|
|
|
if (mode_extract) {
|
|
ret = write_regions(image, size);
|
|
write_it = false;
|
|
}
|
|
|
|
if (mode_write_descriptor)
|
|
ret = write_data(image, size, -size, desc_fname, 0, 0);
|
|
|
|
if (mode_inject)
|
|
ret = inject_region(image, size, region_type, inject_fname);
|
|
|
|
if (mode_write) {
|
|
int offset_uboot_top = 0;
|
|
int offset_uboot_start = 0;
|
|
|
|
for (wr_idx = 0; wr_idx < wr_num; wr_idx++) {
|
|
ifile = &input_file[wr_idx];
|
|
ret = write_data(image, size, ifile->addr,
|
|
ifile->fname, offset_uboot_top,
|
|
offset_uboot_start);
|
|
if (ret < 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (mode_spifreq)
|
|
set_spi_frequency(image, size, spifreq);
|
|
|
|
if (mode_em100)
|
|
set_em100_mode(image, size);
|
|
|
|
if (mode_locked)
|
|
lock_descriptor(image, size);
|
|
|
|
if (mode_unlocked)
|
|
unlock_descriptor(image, size);
|
|
|
|
if (write_it) {
|
|
if (outfile) {
|
|
ret = write_image(outfile, image, size);
|
|
} else {
|
|
if (lseek(bios_fd, 0, SEEK_SET)) {
|
|
perror("Error while seeking");
|
|
ret = -1;
|
|
}
|
|
if (write(bios_fd, image, size) != size) {
|
|
perror("Error while writing");
|
|
ret = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
free(image);
|
|
close(bios_fd);
|
|
|
|
return ret < 0 ? 1 : 0;
|
|
}
|