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nvidia-cbootimage
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Add bct_dump tool. 

This tool dumps a human readable version of the BCT file provided on
the command line to stdout.

Change-Id: Ic9609b16aee307fd78c2d5d472d8d08072573df6

BUG=chromium-os:11981
TEST=run bct_dump on SPI and NAND BCT files and verify that the expected values are displayed.

This CL depends on: http://codereview.chromium.org/6469010/

Review URL: http://codereview.chromium.org/6524004
This commit is contained in:
Anton Staaf 2011-02-24 10:17:50 -08:00
parent 7557d9b11c
commit c6244270f4
2 changed files with 161 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
GNUmakefile
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@ -1,21 +1,45 @@
C_FILES :=
C_FILES += nvbctlib_ap20.c
C_FILES += cbootimage.c
C_FILES += data_layout.c
C_FILES += parse.c
C_FILES += set.c
C_FILES += crypto.c
C_FILES += aes_ref.c
C_FILES += context.c
TARGETS = cbootimage bct_dump
CC = gcc
CFLAGS = -Wall -O -lm
OBJS := $(patsubst %.c,%.o,$(notdir $(C_FILES)))
all: $(TARGETS)
TARGET = cbootimage
CC = gcc
CFLAGS=-Wall -O -lm
#
# Build the cbootimage tool.
#
CBOOTIMAGE_C_FILES := cbootimage.c
CBOOTIMAGE_C_FILES += nvbctlib_ap20.c
CBOOTIMAGE_C_FILES += data_layout.c
CBOOTIMAGE_C_FILES += parse.c
CBOOTIMAGE_C_FILES += set.c
CBOOTIMAGE_C_FILES += crypto.c
CBOOTIMAGE_C_FILES += aes_ref.c
CBOOTIMAGE_C_FILES += context.c
$(TARGET):$(OBJS)
$(CC) -o $(TARGET) $(OBJS) $(CFLAGS)
CBOOTIMAGE_OBJS := $(patsubst %.c,%.o,$(notdir $(CBOOTIMAGE_C_FILES)))
cbootimage: $(CBOOTIMAGE_OBJS)
$(CC) -o $@ $^ $(CFLAGS)
#
# Build the bct_dump tool. This tool generates a human readable version of
# the given BCT file.
#
BCT_DUMP_C_FILES := bct_dump.c
BCT_DUMP_C_FILES += nvbctlib_ap20.c
BCT_DUMP_C_FILES += data_layout.c
BCT_DUMP_C_FILES += set.c
BCT_DUMP_C_FILES += crypto.c
BCT_DUMP_C_FILES += aes_ref.c
BCT_DUMP_C_FILES += context.c
BCT_DUMP_OBJS := $(patsubst %.c,%.o,$(notdir $(BCT_DUMP_C_FILES)))
bct_dump: $(BCT_DUMP_OBJS)
$(CC) -o $@ $^ $(CFLAGS)
#
# Remove built targets, object files and temporary editor files.
#
clean:
rm -rf *.o $(TARGET)
rm -rf *.o *~ $(TARGETS)

121
bct_dump.c Normal file
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@ -0,0 +1,121 @@
/**
* Copyright (c) 2011 NVIDIA Corporation. All rights reserved.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include "cbootimage.h"
#include "nvbctlib.h"
#include "data_layout.h"
#include "context.h"
#include <string.h>
int enable_debug = 0;
typedef struct {
nvbct_lib_id id;
char const * message;
} value_data;
static value_data const values[] = {
{nvbct_lib_id_boot_data_version, "Version................: 0x%08x\n"},
{nvbct_lib_id_block_size_log2, "Block size (log2)......: %d\n"},
{nvbct_lib_id_page_size_log2, "Page size (log2).......: %d\n"},
{nvbct_lib_id_partition_size, "Parition size..........: 0x%08x\n"},
{nvbct_lib_id_bootloader_used, "Bootloader used........: %d\n"},
{nvbct_lib_id_bootloaders_max, "Bootloaders max........: %d\n"},
{nvbct_lib_id_bct_size, "BCT size...............: %d\n"},
{nvbct_lib_id_hash_size, "Hash size..............: %d\n"},
{nvbct_lib_id_crypto_offset, "Crypto offset..........: %d\n"},
{nvbct_lib_id_crypto_length, "Crypto length..........: %d\n"},
{nvbct_lib_id_max_bct_search_blks, "Max BCT search blocks..: %d\n"},
};
static value_data const bl_values[] = {
{nvbct_lib_id_bl_version, " Version.......: 0x%08x\n"},
{nvbct_lib_id_bl_start_blk, " Start block...: %d\n"},
{nvbct_lib_id_bl_start_page, " Start page....: %d\n"},
{nvbct_lib_id_bl_length, " Length........: %d\n"},
{nvbct_lib_id_bl_load_addr, " Load address..: 0x%08x\n"},
{nvbct_lib_id_bl_entry_point, " Entry point...: 0x%08x\n"},
{nvbct_lib_id_bl_attribute, " Attributes....: 0x%08x\n"},
};
static void
usage(void)
{
printf("Usage: bct_dump bctfile\n");
printf(" bctfile BCT filename to read and display\n");
}
int
main(int argc, char *argv[])
{
int e;
build_image_context context;
u_int32_t bootloaders_used;
u_int32_t data;
int i;
int j;
if (argc != 2)
usage();
memset(&context, 0, sizeof(build_image_context));
context.bct_filename = argv[1];
/* Set up the Nvbctlib function pointers. */
nvbct_lib_get_fns(&(context.bctlib));
e = init_context(&context);
if (e != 0) {
printf("context initialization failed. Aborting.\n");
return e;
}
read_bct_file(&context);
for (i = 0; i < sizeof(values) / sizeof(values[0]); ++i) {
e = context.bctlib.get_value(values[i].id, &data, context.bct);
printf(values[i].message, e == 0 ? data : -1);
}
e = context.bctlib.get_value(nvbct_lib_id_bootloader_used,
&bootloaders_used,
context.bct);
for (i = 0; (e == 0) && (i < bootloaders_used); ++i) {
printf("Bootloader[%d]\n", i);
for (j = 0; j < sizeof(bl_values) / sizeof(bl_values[0]); ++j) {
e = context.bctlib.getbl_param(i,
bl_values[j].id,
&data,
context.bct);
printf(bl_values[j].message, e == 0 ? data : -1);
}
}
/* Clean up memory. */
cleanup_context(&context);
return e;
}