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// SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2012 Jan Luebbe <j.luebbe@pengutronix.de>
/* mkublheader.c - produce the header needed to load barebox on OMAP-L138 */
#define _BSD_SOURCE
#define _DEFAULT_SOURCE
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdint.h>
#include <limits.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <endian.h>
#define MAGICNUM 0xa1aced00
struct ubl_header
{
uint32_t magicNum; /* Expected magic number */
uint32_t epAddr; /* Entry point of the user application */
uint32_t imgSize; /* Number of bytes of the application image */
uint32_t imgAddr; /* SPI memory offset where application image is located */
uint32_t ldAddr; /* Address where image is copied to */
};
static void usage(char *prgname)
{
printf( "Usage : %s [OPTION] FILE > HEADER\n"
"\n"
"options:\n"
" -a <address> image flash address\n"
" -e <address> entry point memory address\n"
" -l <address> load memory address\n",
prgname);
}
int main(int argc, char *argv[])
{
struct stat sb;
struct ubl_header uh;
int opt;
uint32_t imgAddr = 0x00040000 + sizeof(uh);
uint32_t epAddr = 0xc1080000, ldAddr = 0xc1080000;
while((opt = getopt(argc, argv, "ael:")) != -1) {
switch (opt) {
case 'a':
imgAddr = strtoul(optarg, NULL, 0);
break;
case 'e':
epAddr = strtoul(optarg, NULL, 0);
break;
case 'l':
ldAddr = strtoul(optarg, NULL, 0);
break;
}
}
if (optind >= argc) {
usage(argv[0]);
exit(1);
}
if (stat(argv[optind], &sb) == -1) {
perror("stat");
exit(EXIT_FAILURE);
}
uh.magicNum = htole32(MAGICNUM);
uh.epAddr = htole32(epAddr);
uh.imgSize = htole32((uint32_t)sb.st_size);
uh.imgAddr = htole32(imgAddr);
uh.ldAddr = htole32(ldAddr);
fwrite(&uh, sizeof(uh), 1, stdout);
exit(EXIT_SUCCESS);
}
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