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/*
* 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;
}
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