Needed to built the BCTs and bootable images. Version 1.2 from https://github.com/NVIDIA/cbootimage.git Signed-off-by: Lucas Stach <dev@lynxeye.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
207 lines
5 KiB
C
207 lines
5 KiB
C
/*
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* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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, see <http://www.gnu.org/licenses/>.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*/
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/*
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* set.c - State setting support for the cbootimage tool
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*/
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#include "set.h"
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#include "cbootimage.h"
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#include "crypto.h"
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#include "data_layout.h"
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/*
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* Function prototypes
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*
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* ParseXXX() parses XXX in the input
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* SetXXX() sets state based on the parsing results but does not perform
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* any parsing of its own
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* A ParseXXX() function may call other parse functions and set functions.
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* A SetXXX() function may not call any parseing functions.
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*/
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#define DEFAULT() \
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default: \
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printf("Unexpected token %d at line %d\n", \
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token, __LINE__); \
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return 1
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int
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read_from_image(char *filename,
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u_int8_t **image,
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u_int32_t *actual_size,
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file_type f_type)
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{
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int result = 0; /* 0 = success, 1 = failure */
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FILE *fp;
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struct stat stats;
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fp = fopen(filename, "r");
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if (fp == NULL) {
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result = 1;
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return result;
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}
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if (stat(filename, &stats) != 0) {
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printf("Error: Unable to query info on bootloader path %s\n",
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filename);
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result = 1;
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goto cleanup;
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}
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*actual_size = (u_int32_t)stats.st_size;
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if (f_type == file_type_bl && *actual_size > MAX_BOOTLOADER_SIZE) {
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printf("Error: Bootloader file %s is too large.\n",
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filename);
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result = 1;
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goto cleanup;
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}
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*image = malloc(*actual_size);
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if (*image == NULL) {
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result = 1;
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goto cleanup;
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}
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memset(*image, 0, *actual_size);
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if (fread(*image, 1, (size_t)stats.st_size, fp) != stats.st_size) {
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result = 1;
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goto cleanup;
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}
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cleanup:
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fclose(fp);
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return result;
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}
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/*
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* Processes commands to set a bootloader.
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*
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* @param context The main context pointer
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* @param filename The file name of bootloader
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* @param load_addr The load address value for bootloader
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* @param entry_point The entry point value for bootloader
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* @return 0 and 1 for success and failure
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*/
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int
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set_bootloader(build_image_context *context,
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char *filename,
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u_int32_t load_addr,
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u_int32_t entry_point)
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{
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context->newbl_filename = filename;
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context->newbl_load_addr = load_addr;
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context->newbl_entry_point = entry_point;
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return update_bl(context);
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}
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#define DEFAULT() \
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default: \
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printf("Unexpected token %d at line %d\n", \
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token, __LINE__); \
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return 1
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/*
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* General handler for setting values in config files.
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*
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* @param context The main context pointer
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* @param token The parse token value
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* @param value The value to set
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* @return 0 for success
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*/
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int context_set_value(build_image_context *context,
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parse_token token,
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u_int32_t value)
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{
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assert(context != NULL);
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switch (token) {
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case token_attribute:
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context->newbl_attr = value;
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break;
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case token_block_size:
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context->block_size = value;
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context->block_size_log2 = log2(value);
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if (context->memory != NULL) {
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printf("Error: Too late to change block size.\n");
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return 1;
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}
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if (value != (u_int32_t)(1 << context->block_size_log2)) {
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printf("Error: Block size must be a power of 2.\n");
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return 1;
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}
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context->pages_per_blk= 1 << (context->block_size_log2-
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context->page_size_log2);
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g_soc_config->set_value(token_block_size_log2,
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context->block_size_log2, context->bct);
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break;
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case token_partition_size:
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if (context->memory != NULL) {
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printf("Error: Too late to change block size.\n");
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return 1;
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}
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context->partition_size= value;
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g_soc_config->set_value(token_partition_size,
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value, context->bct);
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break;
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case token_page_size:
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context->page_size = value;
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context->page_size_log2 = log2(value);
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context->pages_per_blk= 1 << (context->block_size_log2-
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context->page_size_log2);
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g_soc_config->set_value(token_page_size_log2,
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context->page_size_log2, context->bct);
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break;
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case token_redundancy:
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context->redundancy = value;
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break;
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case token_version:
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context->version = value;
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break;
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case token_bct_copy:
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context->bct_copy = value;
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break;
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case token_odm_data:
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context->odm_data = value;
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break;
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case token_pre_bct_pad_blocks:
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if (context->bct_init) {
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printf("Error: Too late to pre-BCT pad.\n");
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return 1;
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}
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context->pre_bct_pad_blocks = value;
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break;
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DEFAULT();
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}
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return 0;
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}
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