OpenWrt – Rev 1
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/*
*
* Copyright (C) 2007-2008 OpenWrt.org
* Copyright (C) 2007-2008 Gabor Juhos <juhosg at openwrt.org>
*
* This code was based on the information of the ZyXEL's firmware
* image format written by Kolja Waschk, can be found at:
* http://www.ixo.de/info/zyxel_uclinux
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h> /* for unlink() */
#include <libgen.h>
#include <getopt.h> /* for getopt() */
#include <stdarg.h>
#include <errno.h>
#include <sys/stat.h>
#include <endian.h> /* for __BYTE_ORDER */
#if defined(__CYGWIN__)
# include <byteswap.h>
#endif
#include <inttypes.h>
#include "zynos.h"
#if (__BYTE_ORDER == __LITTLE_ENDIAN)
# define HOST_TO_LE16(x) (x)
# define HOST_TO_LE32(x) (x)
# define LE16_TO_HOST(x) (x)
# define LE32_TO_HOST(x) (x)
# define HOST_TO_BE16(x) bswap_16(x)
# define HOST_TO_BE32(x) bswap_32(x)
# define BE16_TO_HOST(x) bswap_16(x)
# define BE32_TO_HOST(x) bswap_32(x)
#else
# define HOST_TO_BE16(x) (x)
# define HOST_TO_BE32(x) (x)
# define BE16_TO_HOST(x) (x)
# define BE32_TO_HOST(x) (x)
# define HOST_TO_LE16(x) bswap_16(x)
# define HOST_TO_LE32(x) bswap_32(x)
# define LE16_TO_HOST(x) bswap_16(x)
# define LE32_TO_HOST(x) bswap_32(x)
#endif
#define ALIGN(x,y) (((x)+((y)-1)) & ~((y)-1))
#define MAX_NUM_BLOCKS 8
#define MAX_ARG_COUNT 32
#define MAX_ARG_LEN 1024
#define FILE_BUF_LEN (16*1024)
struct csum_state{
int odd;
uint32_t sum;
uint32_t tmp;
};
struct fw_block {
uint32_t align; /* alignment of this block */
char *file_name; /* name of the file */
uint32_t file_size; /* length of the file */
char *mmap_name; /* name in the MMAP table */
int type; /* block type */
uint32_t padlen;
uint8_t padc;
};
#define BLOCK_TYPE_BOOTEXT 0
#define BLOCK_TYPE_RAW 1
struct fw_mmap {
uint32_t addr;
uint32_t size;
uint32_t user_addr;
uint32_t user_size;
};
#define MMAP_DATA_SIZE 1024
#define MMAP_ALIGN 16
struct board_info {
char *name; /* model name */
char *desc; /* description */
uint16_t vendor; /* vendor id */
uint16_t model; /* model id */
uint32_t flash_base; /* flash base address */
uint32_t flash_size; /* board flash size */
uint32_t code_start; /* code start address */
uint32_t romio_offs; /* offset of the firmware within the flash */
uint32_t bootext_size; /* maximum size of bootext block */
};
/*
* Globals
*/
char *progname;
char *ofname = NULL;
int verblevel = 0;
struct board_info *board = NULL;
struct fw_block blocks[MAX_NUM_BLOCKS];
struct fw_block *bootext_block = NULL;
int num_blocks = 0;
#define ADM5120_FLASH_BASE 0xBFC00000
#define ADM5120_CODE_START 0x80008000
/* TODO: check values for AR7 */
#define AR7_FLASH_BASE 0xB0000000
#define AR7_CODE_START 0x94008000
#define ATHEROS_FLASH_BASE 0xBFC00000
#define ATHEROS_CODE_START 0x80e00000
#define AR71XX_FLASH_BASE 0xBFC00000
#define AR71XX_CODE_START 0x81E00000
#define BOARD(n, d, v, m, fb, fs, cs, fo) { \
.name = (n), .desc=(d), \
.vendor = (v), .model = (m), \
.flash_base = (fb), .flash_size = (fs)<<20, \
.code_start = (cs), .romio_offs = (fo), \
.bootext_size = BOOTEXT_DEF_SIZE \
}
#define ADMBOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
ADM5120_FLASH_BASE, fs, ADM5120_CODE_START, 0x8000)
#define ADMBOARD2(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
ADM5120_FLASH_BASE, fs, ADM5120_CODE_START, 0x10000)
#define AR7BOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
AR7_FLASH_BASE, fs, AR7_CODE_START, 0x8000)
#define ATHEROSBOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
ATHEROS_FLASH_BASE, fs, ATHEROS_CODE_START, 0x30000)
#define AR71XXBOARD1(n, d, m, fs) { \
.name = (n), .desc=(d), \
.vendor = (ZYNOS_VENDOR_ID_ZYXEL), .model = (m), \
.flash_base = (AR71XX_FLASH_BASE), .flash_size = (fs)<<20, \
.code_start = (AR71XX_CODE_START), .romio_offs = (0x40000), \
.bootext_size = 0x30000 \
}
static struct board_info boards[] = {
/*
* Infineon/ADMtek ADM5120 based boards
*/
ADMBOARD2("ES-2024A", "ZyXEL ES-2024A", ZYNOS_MODEL_ES_2024A, 4),
ADMBOARD2("ES-2024PWR", "ZyXEL ES-2024PWR", ZYNOS_MODEL_ES_2024PWR, 4),
ADMBOARD2("ES-2108", "ZyXEL ES-2108", ZYNOS_MODEL_ES_2108, 4),
ADMBOARD2("ES-2108-F", "ZyXEL ES-2108-F", ZYNOS_MODEL_ES_2108_F, 4),
ADMBOARD2("ES-2108-G", "ZyXEL ES-2108-G", ZYNOS_MODEL_ES_2108_G, 4),
ADMBOARD2("ES-2108-LC", "ZyXEL ES-2108-LC", ZYNOS_MODEL_ES_2108_LC, 4),
ADMBOARD2("ES-2108PWR", "ZyXEL ES-2108PWR", ZYNOS_MODEL_ES_2108PWR, 4),
ADMBOARD1("HS-100", "ZyXEL HomeSafe 100", ZYNOS_MODEL_HS_100, 2),
ADMBOARD1("HS-100W", "ZyXEL HomeSafe 100W", ZYNOS_MODEL_HS_100W, 2),
ADMBOARD1("P-334", "ZyXEL Prestige 334", ZYNOS_MODEL_P_334, 2),
ADMBOARD1("P-334U", "ZyXEL Prestige 334U", ZYNOS_MODEL_P_334U, 4),
ADMBOARD1("P-334W", "ZyXEL Prestige 334W", ZYNOS_MODEL_P_334W, 2),
ADMBOARD1("P-334WH", "ZyXEL Prestige 334WH", ZYNOS_MODEL_P_334WH, 4),
ADMBOARD1("P-334WHD", "ZyXEL Prestige 334WHD", ZYNOS_MODEL_P_334WHD, 4),
ADMBOARD1("P-334WT", "ZyXEL Prestige 334WT", ZYNOS_MODEL_P_334WT, 4),
ADMBOARD1("P-335", "ZyXEL Prestige 335", ZYNOS_MODEL_P_335, 4),
ADMBOARD1("P-335Plus", "ZyXEL Prestige 335Plus", ZYNOS_MODEL_P_335PLUS, 4),
ADMBOARD1("P-335U", "ZyXEL Prestige 335U", ZYNOS_MODEL_P_335U, 4),
ADMBOARD1("P-335WT", "ZyXEL Prestige 335WT", ZYNOS_MODEL_P_335WT, 4),
{
.name = "P-2602HW-D1A",
.desc = "ZyXEL P-2602HW-D1A",
.vendor = ZYNOS_VENDOR_ID_ZYXEL,
.model = ZYNOS_MODEL_P_2602HW_D1A,
.flash_base = AR7_FLASH_BASE,
.flash_size = 4*1024*1024,
.code_start = 0x94008000,
.romio_offs = 0x20000,
.bootext_size = BOOTEXT_DEF_SIZE,
},
#if 0
/*
* Texas Instruments AR7 based boards
*/
AR7BOARD1("P-660H-61", "ZyXEL P-660H-61", ZYNOS_MODEL_P_660H_61, 2),
AR7BOARD1("P-660H-63", "ZyXEL P-660H-63", ZYNOS_MODEL_P_660H_63, 2),
AR7BOARD1("P-660H-D1", "ZyXEL P-660H-D1", ZYNOS_MODEL_P_660H_D1, 2),
AR7BOARD1("P-660H-D3", "ZyXEL P-660H-D3", ZYNOS_MODEL_P_660H_D3, 2),
AR7BOARD1("P-660HW-61", "ZyXEL P-660HW-61", ZYNOS_MODEL_P_660HW_61, 2),
AR7BOARD1("P-660HW-63", "ZyXEL P-660HW-63", ZYNOS_MODEL_P_660HW_63, 2),
AR7BOARD1("P-660HW-67", "ZyXEL P-660HW-67", ZYNOS_MODEL_P_660HW_67, 2),
AR7BOARD1("P-660HW-D1", "ZyXEL P-660HW-D1", ZYNOS_MODEL_P_660HW_D1, 2),
AR7BOARD1("P-660HW-D3", "ZyXEL P-660HW-D3", ZYNOS_MODEL_P_660HW_D3, 2),
AR7BOARD1("P-660R-61", "ZyXEL P-660R-61", ZYNOS_MODEL_P_660R_61, 2),
AR7BOARD1("P-660R-61C", "ZyXEL P-660R-61C", ZYNOS_MODEL_P_660R_61C, 2),
AR7BOARD1("P-660R-63", "ZyXEL P-660R-63", ZYNOS_MODEL_P_660R_63, 2),
AR7BOARD1("P-660R-63C", "ZyXEL P-660R-63C", ZYNOS_MODEL_P_660R_63C, 2),
AR7BOARD1("P-660R-67", "ZyXEL P-660R-67", ZYNOS_MODEL_P_660R_67, 2),
AR7BOARD1("P-660R-D1", "ZyXEL P-660R-D1", ZYNOS_MODEL_P_660R_D1, 2),
AR7BOARD1("P-660R-D3", "ZyXEL P-660R-D3", ZYNOS_MODEL_P_660R_D3, 2),
#endif
{
.name = "O2SURF",
.desc = "O2 DSL Surf & Phone",
.vendor = ZYNOS_VENDOR_ID_O2,
.model = ZYNOS_MODEL_O2SURF,
.flash_base = AR7_FLASH_BASE,
.flash_size = 8*1024*1024,
.code_start = 0x94014000,
.romio_offs = 0x40000,
.bootext_size = BOOTEXT_DEF_SIZE,
},
/*
:x
*/
ATHEROSBOARD1("NBG-318S", "ZyXEL NBG-318S", ZYNOS_MODEL_NBG_318S, 4),
/*
* Atheros ar71xx based boards
*/
AR71XXBOARD1("NBG-460N", "ZyXEL NBG-460N", ZYNOS_MODEL_NBG_460N, 4),
{.name = NULL}
};
/*
* Message macros
*/
#define ERR(fmt, ...) do { \
fflush(0); \
fprintf(stderr, "[%s] *** error: " fmt "\n", \
progname, ## __VA_ARGS__ ); \
} while (0)
#define ERRS(fmt, ...) do { \
int save = errno; \
fflush(0); \
fprintf(stderr, "[%s] *** error: " fmt ", %s\n", \
progname, ## __VA_ARGS__, strerror(save)); \
} while (0)
#define WARN(fmt, ...) do { \
fprintf(stderr, "[%s] *** warning: " fmt "\n", \
progname, ## __VA_ARGS__ ); \
} while (0)
#define DBG(lev, fmt, ...) do { \
if (verblevel < lev) \
break;\
fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
} while (0)
#define ERR_FATAL -1
#define ERR_INVALID_IMAGE -2
/*
* Helper routines
*/
void
usage(int status)
{
FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
struct board_info *board;
fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
fprintf(stream,
"\n"
"Options:\n"
" -B <board> create image for the board specified with <board>.\n"
" valid <board> values:\n"
);
for (board = boards; board->name != NULL; board++){
fprintf(stream,
" %-12s= %s\n",
board->name, board->desc);
};
fprintf(stream,
" -b <file>[:<align>]\n"
" add boot extension block to the image\n"
" -r <file>[:<align>]\n"
" add raw block to the image\n"
" -o <file> write output to the file <file>\n"
" -h show this screen\n"
);
exit(status);
}
/*
* argument parsing
*/
int
str2u32(char *arg, uint32_t *val)
{
char *err = NULL;
uint32_t t;
errno=0;
t = strtoul(arg, &err, 0);
if (errno || (err==arg) || ((err != NULL) && *err)) {
return -1;
}
*val = t;
return 0;
}
int
str2u16(char *arg, uint16_t *val)
{
char *err = NULL;
uint32_t t;
errno=0;
t = strtoul(arg, &err, 0);
if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x10000)) {
return -1;
}
*val = t & 0xFFFF;
return 0;
}
int
str2u8(char *arg, uint8_t *val)
{
char *err = NULL;
uint32_t t;
errno=0;
t = strtoul(arg, &err, 0);
if (errno || (err==arg) || ((err != NULL) && *err) || (t >= 0x100)) {
return -1;
}
*val = t & 0xFF;
return 0;
}
int
str2sig(char *arg, uint32_t *sig)
{
if (strlen(arg) != 4)
return -1;
*sig = arg[0] | (arg[1] << 8) | (arg[2] << 16) | (arg[3] << 24);
return 0;
}
int
parse_arg(char *arg, char *buf, char *argv[])
{
int res = 0;
size_t argl;
char *tok;
char **ap = &buf;
int i;
memset(argv, 0, MAX_ARG_COUNT * sizeof(void *));
if ((arg == NULL)) {
/* no arguments */
return 0;
}
argl = strlen(arg);
if (argl == 0) {
/* no arguments */
return 0;
}
if (argl >= MAX_ARG_LEN) {
/* argument is too long */
argl = MAX_ARG_LEN-1;
}
memcpy(buf, arg, argl);
buf[argl] = '\0';
for (i = 0; i < MAX_ARG_COUNT; i++) {
tok = strsep(ap, ":");
if (tok == NULL) {
break;
}
#if 0
else if (tok[0] == '\0') {
break;
}
#endif
argv[i] = tok;
res++;
}
return res;
}
int
required_arg(char c, char *arg)
{
if (arg == NULL || *arg != '-')
return 0;
ERR("option -%c requires an argument\n", c);
return -1;
}
int
is_empty_arg(char *arg)
{
int ret = 1;
if (arg != NULL) {
if (*arg) ret = 0;
};
return ret;
}
void
csum_init(struct csum_state *css)
{
css->odd = 0;
css->sum = 0;
css->tmp = 0;
}
void
csum_update(uint8_t *p, uint32_t len, struct csum_state *css)
{
if (len == 0)
return;
if (css->odd) {
css->sum += (css->tmp << 8) + p[0];
if (css->sum > 0xFFFF) {
css->sum += 1;
css->sum &= 0xFFFF;
}
css->odd = 0;
len--;
p++;
}
for ( ; len > 1; len -= 2, p +=2 ) {
css->sum += (p[0] << 8) + p[1];
if (css->sum > 0xFFFF) {
css->sum += 1;
css->sum &= 0xFFFF;
}
}
if (len == 1){
css->tmp = p[0];
css->odd = 1;
}
}
uint16_t
csum_get(struct csum_state *css)
{
char pad = 0;
csum_update(&pad, 1, css);
return css->sum;
}
uint16_t
csum_buf(uint8_t *p, uint32_t len)
{
struct csum_state css;
csum_init(&css);
csum_update(p, len, &css);
return csum_get(&css);
}
/*
* routines to write data to the output file
*/
int
write_out_data(FILE *outfile, uint8_t *data, size_t len,
struct csum_state *css)
{
errno = 0;
fwrite(data, len, 1, outfile);
if (errno) {
ERR("unable to write output file");
return -1;
}
if (css) {
csum_update(data, len, css);
}
return 0;
}
int
write_out_padding(FILE *outfile, size_t len, uint8_t padc,
struct csum_state *css)
{
uint8_t buf[512];
size_t buflen = sizeof(buf);
memset(buf, padc, buflen);
while (len > 0) {
if (len < buflen)
buflen = len;
if (write_out_data(outfile, buf, buflen, css))
return -1;
len -= buflen;
}
return 0;
}
int
write_out_data_align(FILE *outfile, uint8_t *data, size_t len, size_t align,
struct csum_state *css)
{
size_t padlen;
int res;
res = write_out_data(outfile, data, len, css);
if (res)
return res;
padlen = ALIGN(len,align) - len;
res = write_out_padding(outfile, padlen, 0xFF, css);
return res;
}
int
write_out_header(FILE *outfile, struct zyn_rombin_hdr *hdr)
{
struct zyn_rombin_hdr t;
errno = 0;
if (fseek(outfile, 0, SEEK_SET) != 0) {
ERRS("fseek failed on output file");
return -1;
}
/* setup temporary header fields */
memset(&t, 0, sizeof(t));
t.addr = HOST_TO_BE32(hdr->addr);
memcpy(&t.sig, ROMBIN_SIGNATURE, ROMBIN_SIG_LEN);
t.type = hdr->type;
t.flags = hdr->flags;
t.osize = HOST_TO_BE32(hdr->osize);
t.csize = HOST_TO_BE32(hdr->csize);
t.ocsum = HOST_TO_BE16(hdr->ocsum);
t.ccsum = HOST_TO_BE16(hdr->ccsum);
t.mmap_addr = HOST_TO_BE32(hdr->mmap_addr);
DBG(2, "hdr.addr = 0x%08x", hdr->addr);
DBG(2, "hdr.type = 0x%02x", hdr->type);
DBG(2, "hdr.osize = 0x%08x", hdr->osize);
DBG(2, "hdr.csize = 0x%08x", hdr->csize);
DBG(2, "hdr.flags = 0x%02x", hdr->flags);
DBG(2, "hdr.ocsum = 0x%04x", hdr->ocsum);
DBG(2, "hdr.ccsum = 0x%04x", hdr->ccsum);
DBG(2, "hdr.mmap_addr = 0x%08x", hdr->mmap_addr);
return write_out_data(outfile, (uint8_t *)&t, sizeof(t), NULL);
}
int
write_out_mmap(FILE *outfile, struct fw_mmap *mmap, struct csum_state *css)
{
struct zyn_mmt_hdr *mh;
uint8_t buf[MMAP_DATA_SIZE];
uint32_t user_size;
char *data;
int res;
memset(buf, 0, sizeof(buf));
mh = (struct zyn_mmt_hdr *)buf;
/* TODO: needs to recreate the memory map too? */
mh->count=0;
/* Build user data section */
data = buf+sizeof(*mh);
data += sprintf(data, "Vendor 1 %d", board->vendor);
*data++ = '\0';
data += sprintf(data, "Model 1 %d", BE16_TO_HOST(board->model));
*data++ = '\0';
/* TODO: make hardware version configurable? */
data += sprintf(data, "HwVerRange 2 %d %d", 0, 0);
*data++ = '\0';
user_size = (uint8_t *)data - buf;
mh->user_start= HOST_TO_BE32(mmap->addr+sizeof(*mh));
mh->user_end= HOST_TO_BE32(mmap->addr+user_size);
mh->csum = HOST_TO_BE16(csum_buf(buf+sizeof(*mh), user_size));
res = write_out_data(outfile, buf, sizeof(buf), css);
return res;
}
int
block_stat_file(struct fw_block *block)
{
struct stat st;
int res;
if (block->file_name == NULL)
return 0;
res = stat(block->file_name, &st);
if (res){
ERRS("stat failed on %s", block->file_name);
return res;
}
block->file_size = st.st_size;
return 0;
}
int
read_magic(uint16_t *magic)
{
FILE *f;
int res;
errno = 0;
f = fopen(bootext_block->file_name,"r");
if (errno) {
ERRS("unable to open file: %s", bootext_block->file_name);
return -1;
}
errno = 0;
fread(magic, 2, 1, f);
if (errno != 0) {
ERRS("unable to read from file: %s", bootext_block->file_name);
res = -1;
goto err;
}
res = 0;
err:
fclose(f);
return res;
}
int
write_out_file(FILE *outfile, char *name, size_t len, struct csum_state *css)
{
char buf[FILE_BUF_LEN];
size_t buflen = sizeof(buf);
FILE *f;
int res;
DBG(2, "writing out file, name=%s, len=%zu",
name, len);
errno = 0;
f = fopen(name,"r");
if (errno) {
ERRS("unable to open file: %s", name);
return -1;
}
while (len > 0) {
if (len < buflen)
buflen = len;
/* read data from source file */
errno = 0;
fread(buf, buflen, 1, f);
if (errno != 0) {
ERRS("unable to read from file: %s",name);
res = -1;
break;
}
res = write_out_data(outfile, buf, buflen, css);
if (res)
break;
len -= buflen;
}
fclose(f);
return res;
}
int
write_out_block(FILE *outfile, struct fw_block *block, struct csum_state *css)
{
int res;
if (block == NULL)
return 0;
if (block->file_name == NULL)
return 0;
if (block->file_size == 0)
return 0;
res = write_out_file(outfile, block->file_name,
block->file_size, css);
return res;
}
int
write_out_image(FILE *outfile)
{
struct fw_block *block;
struct fw_mmap mmap;
struct zyn_rombin_hdr hdr;
struct csum_state css;
int i, res;
uint32_t offset;
uint32_t padlen;
uint16_t csum;
uint16_t t;
/* setup header fields */
memset(&hdr, 0, sizeof(hdr));
hdr.addr = board->code_start;
hdr.type = OBJECT_TYPE_BOOTEXT;
hdr.flags = ROMBIN_FLAG_OCSUM;
offset = board->romio_offs;
res = write_out_header(outfile, &hdr);
if (res)
return res;
offset += sizeof(hdr);
csum_init(&css);
res = write_out_block(outfile, bootext_block, &css);
if (res)
return res;
offset += bootext_block->file_size;
if (offset > (board->romio_offs + board->bootext_size)) {
ERR("bootext file '%s' is too big", bootext_block->file_name);
return -1;
}
padlen = ALIGN(offset, MMAP_ALIGN) - offset;
res = write_out_padding(outfile, padlen, 0xFF, &css);
if (res)
return res;
offset += padlen;
mmap.addr = board->flash_base + offset;
res = write_out_mmap(outfile, &mmap, &css);
if (res)
return res;
offset += MMAP_DATA_SIZE;
if ((offset - board->romio_offs) < board->bootext_size) {
padlen = board->romio_offs + board->bootext_size - offset;
res = write_out_padding(outfile, padlen, 0xFF, &css);
if (res)
return res;
offset += padlen;
DBG(2, "bootext end at %08x", offset);
}
for (i = 0; i < num_blocks; i++) {
block = &blocks[i];
if (block->type == BLOCK_TYPE_BOOTEXT)
continue;
padlen = ALIGN(offset, block->align) - offset;
res = write_out_padding(outfile, padlen, 0xFF, &css);
if (res)
return res;
offset += padlen;
res = write_out_block(outfile, block, &css);
if (res)
return res;
offset += block->file_size;
}
padlen = ALIGN(offset, 4) - offset;
res = write_out_padding(outfile, padlen, 0xFF, &css);
if (res)
return res;
offset += padlen;
csum = csum_get(&css);
hdr.mmap_addr = mmap.addr;
hdr.osize = 2;
res = read_magic(&hdr.ocsum);
if (res)
return res;
hdr.ocsum = BE16_TO_HOST(hdr.ocsum);
if (csum <= hdr.ocsum)
t = hdr.ocsum - csum;
else
t = hdr.ocsum - csum - 1;
DBG(2, "ocsum=%04x, csum=%04x, fix=%04x", hdr.ocsum, csum, t);
t = HOST_TO_BE16(t);
res = write_out_data(outfile, (uint8_t *)&t, 2, NULL);
if (res)
return res;
res = write_out_header(outfile, &hdr);
return res;
}
struct board_info *
find_board(char *name)
{
struct board_info *ret;
struct board_info *board;
ret = NULL;
for (board = boards; board->name != NULL; board++){
if (strcasecmp(name, board->name) == 0) {
ret = board;
break;
}
};
return ret;
}
int
parse_opt_board(char ch, char *arg)
{
DBG(1,"parsing board option: -%c %s", ch, arg);
if (board != NULL) {
ERR("only one board option allowed");
return -1;
}
if (required_arg(ch, arg))
return -1;
board = find_board(arg);
if (board == NULL){
ERR("invalid/unknown board specified: %s", arg);
return -1;
}
return 0;
}
int
parse_opt_ofname(char ch, char *arg)
{
if (ofname != NULL) {
ERR("only one output file allowed");
return -1;
}
if (required_arg(ch, arg))
return -1;
ofname = arg;
return 0;
}
int
parse_opt_block(char ch, char *arg)
{
char buf[MAX_ARG_LEN];
char *argv[MAX_ARG_COUNT];
int argc;
char *p;
struct fw_block *block;
int i;
if ( num_blocks >= MAX_NUM_BLOCKS ) {
ERR("too many blocks specified");
return -1;
}
block = &blocks[num_blocks++];
/* setup default field values */
block->padc = 0xFF;
switch(ch) {
case 'b':
if (bootext_block) {
ERR("only one boot extension block allowed");
break;
}
block->type = BLOCK_TYPE_BOOTEXT;
bootext_block = block;
break;
case 'r':
block->type = BLOCK_TYPE_RAW;
break;
}
argc = parse_arg(arg, buf, argv);
i = 0;
p = argv[i++];
if (is_empty_arg(p)) {
ERR("no file specified in %s", arg);
return -1;
} else {
block->file_name = strdup(p);
if (block->file_name == NULL) {
ERR("not enough memory");
return -1;
}
}
if (block->type == BLOCK_TYPE_BOOTEXT)
return 0;
p = argv[i++];
if (!is_empty_arg(p)) {
if (str2u32(p, &block->align) != 0) {
ERR("invalid block align in %s", arg);
return -1;
}
}
return 0;
}
int
calc_block_offsets(int type, uint32_t *offset)
{
struct fw_block *block;
uint32_t next_offs;
uint32_t avail;
int i, res;
DBG(1,"calculating block offsets, starting with %" PRIu32,
*offset);
res = 0;
for (i = 0; i < num_blocks; i++) {
block = &blocks[i];
if (block->type != type)
continue;
next_offs = ALIGN(*offset, block->align);
avail = board->flash_size - next_offs;
if (block->file_size > avail) {
ERR("file %s is too big, offset = %u, size=%u,"
" avail = %u, align = %u", block->file_name,
(unsigned)next_offs,
(unsigned)block->file_size,
(unsigned)avail,
(unsigned)block->align);
res = -1;
break;
}
block->padlen = next_offs - *offset;
*offset += block->file_size;
}
return res;
}
int
process_blocks(void)
{
struct fw_block *block;
uint32_t offset;
int i;
int res;
/* collecting file stats */
for (i = 0; i < num_blocks; i++) {
block = &blocks[i];
res = block_stat_file(block);
if (res)
return res;
}
offset = board->romio_offs + bootext_block->file_size;
res = calc_block_offsets(BLOCK_TYPE_RAW, &offset);
return res;
}
int
main(int argc, char *argv[])
{
int optinvalid = 0; /* flag for invalid option */
int c;
int res = EXIT_FAILURE;
FILE *outfile;
progname=basename(argv[0]);
opterr = 0; /* could not print standard getopt error messages */
while ( 1 ) {
optinvalid = 0;
c = getopt(argc, argv, "b:B:ho:r:v");
if (c == -1)
break;
switch (c) {
case 'b':
case 'r':
optinvalid = parse_opt_block(c,optarg);
break;
case 'B':
optinvalid = parse_opt_board(c,optarg);
break;
case 'o':
optinvalid = parse_opt_ofname(c,optarg);
break;
case 'v':
verblevel++;
break;
case 'h':
usage(EXIT_SUCCESS);
break;
default:
optinvalid = 1;
break;
}
if (optinvalid != 0 ) {
ERR("invalid option: -%c", optopt);
goto out;
}
}
if (board == NULL) {
ERR("no board specified");
goto out;
}
if (ofname == NULL) {
ERR("no output file specified");
goto out;
}
if (optind < argc) {
ERR("invalid option: %s", argv[optind]);
goto out;
}
if (process_blocks() != 0) {
goto out;
}
outfile = fopen(ofname, "w");
if (outfile == NULL) {
ERRS("could not open \"%s\" for writing", ofname);
goto out;
}
if (write_out_image(outfile) != 0)
goto out_flush;
DBG(1,"Image file %s completed.", ofname);
res = EXIT_SUCCESS;
out_flush:
fflush(outfile);
fclose(outfile);
if (res != EXIT_SUCCESS) {
unlink(ofname);
}
out:
return res;
}