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/*
* This file is part of libsamsung-ipc.
*
* Copyright (C) 2020 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
*
* libsamsung-ipc 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.
*
* libsamsung-ipc 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 libsamsung-ipc. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sys/mman.h>
#include <sys/stat.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../samsung-ipc/devices/i9300/i9300.h"
/* Taken from the herolte patch which is GPLv2 or later and has the following:
* Copyright (C) 2020 Tony Garnock-Jones <tonyg@leastfixedpoint.com>
*/
struct toc_part_info {
char name[12];
uint32_t offset;
uint32_t loadaddr;
uint32_t size;
uint32_t crc;
uint32_t entryid;
} __attribute__((__packed__));
/* TODO: fill in loadaddr, crc, entryid */
static struct toc_part_info gt_i9300[] = {
{"PSIRAM", I9300_PSI_OFFSET, 0, I9300_PSI_SIZE, 0, 0},
{"EBL", I9300_EBL_OFFSET, 0, I9300_EBL_SIZE, 0, 0},
{"MAIN", I9300_FIRMWARE_OFFSET, 0, I9300_FIRMWARE_SIZE, 0, 0},
{"SECPACK", I9300_SEC_START_OFFSET, 0, I9300_SEC_START_SIZE, 0, 0},
{"NV", I9300_NV_DATA_OFFSET, 0, I9300_NV_DATA_SIZE, 0, 0},
};
static int part_info_cmp(struct toc_part_info* toc_part_info1,
struct toc_part_info* toc_part_info2)
{
if ((toc_part_info2->offset - toc_part_info1->offset) != 0) {
printf("toc_part_info1->offset: 0x%x "
"toc_part_info2->offset: 0x%x\n",
le32toh(toc_part_info1->offset),
le32toh(toc_part_info2->offset));
return toc_part_info2->offset - toc_part_info1->offset;
}
if ((toc_part_info2->size - toc_part_info1->size) != 0){
printf("toc_part_info1->size: 0x%x "
"toc_part_info2->size: 0x%x\n",
le32toh(toc_part_info1->size),
le32toh(toc_part_info2->size));
return toc_part_info2->size - toc_part_info1->size;
}
return 0;
}
static int usage(char* progname)
{
printf("%s [path/to/RADIO.img]\n", progname);
exit(1);
}
int main(int argc, char* argv[])
{
struct toc_part_info* toc_part_info;
void* buffer;
int fd;
int pnum;
if (argc != 2)
usage(argv[0]);
fd = open(argv[1], O_RDONLY);
if (fd == -1) {
perror("Failed to open");
return -1;
}
buffer = mmap(NULL, 0x1000, PROT_READ, MAP_SHARED, fd, 0);
if (buffer == MAP_FAILED) {
perror("mmap failed");
return -1;
}
size_t name_max_len = 0;
for(pnum = 0;pnum < 10;pnum++){
char* toc_part_info_buffer = buffer +
pnum * sizeof(struct toc_part_info);
char name[13];
if (toc_part_info_buffer[0] == '\0') {
break;
}
toc_part_info = (struct toc_part_info*) toc_part_info_buffer;
memcpy(&name, toc_part_info->name, sizeof(toc_part_info->name));
name[12] = '\0';
if (strlen(name) > name_max_len)
name_max_len = strlen(name);
}
for(pnum = 0;pnum < 10;pnum++){
char* toc_part_info_buffer = buffer +
pnum * sizeof(struct toc_part_info);
char name[13];
size_t i = 0;
if (toc_part_info_buffer[0] == '\0') {
break;
}
toc_part_info = (struct toc_part_info*) toc_part_info_buffer;
memcpy(&name, toc_part_info->name, sizeof(toc_part_info->name));
name[12] = '\0';
/* Alignement */
printf("%s: ", name);
for (i=0 ; i < (name_max_len - strlen(name)) ; i++)
printf(" ");
printf("offset: 0x%x,",le32toh(toc_part_info->offset));
printf("loadaddr: 0x%x, size: 0x%x, crc: 0x%x, entryid: 0x%x\n",
le32toh(toc_part_info->loadaddr),
le32toh(toc_part_info->size),
le32toh(toc_part_info->crc),
le32toh(toc_part_info->entryid));
part_info_cmp(toc_part_info, &(gt_i9300[pnum]));
}
return 0;
}
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