diff options
Diffstat (limited to 'src/set.c')
| -rw-r--r-- | src/set.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/set.c b/src/set.c new file mode 100644 index 0000000..08c9fb6 --- /dev/null +++ b/src/set.c @@ -0,0 +1,206 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. + * + * See file CREDITS for list of people who contributed to this + * project. + */ + +/* + * set.c - State setting support for the cbootimage tool + */ + +#include "set.h" +#include "cbootimage.h" +#include "crypto.h" +#include "data_layout.h" + +/* + * Function prototypes + * + * ParseXXX() parses XXX in the input + * SetXXX() sets state based on the parsing results but does not perform + * any parsing of its own + * A ParseXXX() function may call other parse functions and set functions. + * A SetXXX() function may not call any parseing functions. + */ +#define DEFAULT() \ + default: \ + printf("Unexpected token %d at line %d\n", \ + token, __LINE__); \ + return 1 + +int +read_from_image(char *filename, + u_int8_t **image, + u_int32_t *actual_size, + file_type f_type) +{ + int result = 0; /* 0 = success, 1 = failure */ + FILE *fp; + struct stat stats; + + fp = fopen(filename, "r"); + if (fp == NULL) { + result = 1; + return result; + } + + if (stat(filename, &stats) != 0) { + printf("Error: Unable to query info on bootloader path %s\n", + filename); + result = 1; + goto cleanup; + } + + *actual_size = (u_int32_t)stats.st_size; + + if (f_type == file_type_bl && *actual_size > MAX_BOOTLOADER_SIZE) { + printf("Error: Bootloader file %s is too large.\n", + filename); + result = 1; + goto cleanup; + } + *image = malloc(*actual_size); + if (*image == NULL) { + result = 1; + goto cleanup; + } + + memset(*image, 0, *actual_size); + + if (fread(*image, 1, (size_t)stats.st_size, fp) != stats.st_size) { + result = 1; + goto cleanup; + } + +cleanup: + fclose(fp); + return result; +} + +/* + * Processes commands to set a bootloader. + * + * @param context The main context pointer + * @param filename The file name of bootloader + * @param load_addr The load address value for bootloader + * @param entry_point The entry point value for bootloader + * @return 0 and 1 for success and failure + */ +int +set_bootloader(build_image_context *context, + char *filename, + u_int32_t load_addr, + u_int32_t entry_point) +{ + context->newbl_filename = filename; + context->newbl_load_addr = load_addr; + context->newbl_entry_point = entry_point; + return update_bl(context); +} + +#define DEFAULT() \ + default: \ + printf("Unexpected token %d at line %d\n", \ + token, __LINE__); \ + return 1 + +/* + * General handler for setting values in config files. + * + * @param context The main context pointer + * @param token The parse token value + * @param value The value to set + * @return 0 for success + */ +int context_set_value(build_image_context *context, + parse_token token, + u_int32_t value) +{ + assert(context != NULL); + + switch (token) { + case token_attribute: + context->newbl_attr = value; + break; + + case token_block_size: + context->block_size = value; + context->block_size_log2 = log2(value); + + if (context->memory != NULL) { + printf("Error: Too late to change block size.\n"); + return 1; + } + + if (value != (u_int32_t)(1 << context->block_size_log2)) { + printf("Error: Block size must be a power of 2.\n"); + return 1; + } + context->pages_per_blk= 1 << (context->block_size_log2- + context->page_size_log2); + g_soc_config->set_value(token_block_size_log2, + context->block_size_log2, context->bct); + break; + + case token_partition_size: + if (context->memory != NULL) { + printf("Error: Too late to change block size.\n"); + return 1; + } + + context->partition_size= value; + g_soc_config->set_value(token_partition_size, + value, context->bct); + break; + + case token_page_size: + context->page_size = value; + context->page_size_log2 = log2(value); + context->pages_per_blk= 1 << (context->block_size_log2- + context->page_size_log2); + + g_soc_config->set_value(token_page_size_log2, + context->page_size_log2, context->bct); + break; + case token_redundancy: + context->redundancy = value; + break; + + case token_version: + context->version = value; + break; + + case token_bct_copy: + context->bct_copy = value; + break; + + case token_odm_data: + context->odm_data = value; + break; + + case token_pre_bct_pad_blocks: + if (context->bct_init) { + printf("Error: Too late to pre-BCT pad.\n"); + return 1; + } + context->pre_bct_pad_blocks = value; + break; + + DEFAULT(); + } + + return 0; +} |