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rockbox/utils/jz4740_tools/HXF2IHFS.c
Maurus Cuelenaere 72bc4e30e2 Jz4740 tools: 
* Add HXF2IHFS by William Poetra Yoga Hadisoeseno
* Don't do usb_set_configuration() calls on Linux in USB tool


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18256 a1c6a512-1295-4272-9138-f99709370657
2008-08-12 16:55:59 +00:00

344 lines
8.6 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by William Poetra Yoga Hadisoeseno
*
* This program 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.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
void usage()
{
fprintf(stderr, "Usage: HXF2IHFS <hxf_img> <ihfs_img> [ihfs_size]\n");
exit(1);
}
typedef struct {
uint32_t signature;
char unknown1[4];
char timestamp[12];
uint32_t length;
uint32_t unknown2;
uint32_t unknown3;
char id[32];
} hxf_header_t;
int hxf_sanity(const int hxf_img)
{
struct stat statbuf;
hxf_header_t hxf_hdr;
int r, len_name, len_file, pos;
printf("Starting sanity check for HXF image...\n");
lseek(hxf_img, 0, SEEK_SET);
read(hxf_img, &hxf_hdr, sizeof (hxf_hdr));
printf(" Checking for HXF signature...\n");
if (hxf_hdr.signature != 0x46444157)
return 1;
printf(" Checking for unknown value 1...\n");
if (strncmp(hxf_hdr.unknown1, "0100", 4))
return 1;
printf(" Checking for length...\n");
fstat(hxf_img, &statbuf);
if (hxf_hdr.length != statbuf.st_size)
return 1;
printf(" Checking for unknown value 3...\n");
if (hxf_hdr.unknown3 != 0x00000000)
return 1;
printf(" Checking for id...\n");
if (memcmp(hxf_hdr.id, "Chinachip PMP firmware V1.0\0\0\0\0\0", 32))
return 1;
printf(" Checking for file completeness...\n");
while (1) {
r = read(hxf_img, &len_name, 4);
if (r != 4)
return 1;
if (len_name == 0)
break;
r = lseek(hxf_img, len_name + 1, SEEK_CUR);
if (r < 0)
return 1;
r = read(hxf_img, &len_file, 4);
if (r != 4)
return 1;
if (len_file <= 0)
return 1;
r = lseek(hxf_img, len_file, SEEK_CUR);
if (r < 0)
return 1;
}
pos = lseek(hxf_img, 0, SEEK_CUR);
if (pos != statbuf.st_size)
return 1;
return 0;
}
typedef struct {
uint32_t signature;
uint32_t fslen;
uint32_t unknown1;
uint32_t unknown2;
char timestamp[12];
uint32_t numfiles;
char zeros[476];
uint32_t marker;
} ihfs_header_t;
#define MAX_FILES 2048
#define MAX_IHFS_PATH 56
typedef struct {
struct {
char fullpath[MAX_IHFS_PATH];
uint32_t sector;
uint32_t length;
} files[MAX_FILES];
} ihfs_file_table_t;
#define SECTOR_SIZE 512
#define DEFAULT_IHFS_SIZE 65273856
#define DEADFACE_START 0x02140000
int hxf_ihfs_compatible(int hxf_img)
{
int n, len_name, len_file;
lseek(hxf_img, sizeof (hxf_header_t), SEEK_SET);
n = 0;
while (1) {
read(hxf_img, &len_name, 4);
if (len_name == 0)
break;
if (len_name > MAX_IHFS_PATH)
return 1;
lseek(hxf_img, len_name + 1, SEEK_CUR);
read(hxf_img, &len_file, 4);
lseek(hxf_img, len_file, SEEK_CUR);
++n;
}
if (n > MAX_FILES)
return 1;
return 0;
}
void hxf_to_ihfs(int hxf_img, int ihfs_img, int filesize)
{
char buf[SECTOR_SIZE];
char ff[SECTOR_SIZE];
int i, n, rem;
n = filesize / SECTOR_SIZE;
rem = filesize % SECTOR_SIZE;
for (i = 0; i < n; ++i) {
read(hxf_img, buf, SECTOR_SIZE);
write(ihfs_img, buf, SECTOR_SIZE);
}
if (rem > 0) {
read(hxf_img, buf, rem);
write(ihfs_img, buf, rem);
/* pad with 0xff */
memset(ff, 0xff, SECTOR_SIZE-rem);
write(ihfs_img, ff, SECTOR_SIZE-rem);
}
}
int main(int argc, char **argv)
{
struct stat statbuf;
int hxf_img;
hxf_header_t hxf_hdr;
char s[32];
int i, n;
int ihfs_img;
ihfs_header_t ihfs_hdr;
ihfs_file_table_t ihfs_ftbl;
int ihfs_len;
unsigned char deadface[SECTOR_SIZE];
char ff[SECTOR_SIZE];
int pathlen;
char *path;
char filetype;
int filesize;
int pos;
/* check the arguments */
if (argc != 3 && argc != 4)
usage();
stat(argv[1], &statbuf);
if (!S_ISREG(statbuf.st_mode))
usage();
if (argc == 3) {
ihfs_len = DEFAULT_IHFS_SIZE;
} else {
errno = 0;
ihfs_len = strtol(argv[3], NULL, 10);
if (errno != 0 || ihfs_len < 0 || (ihfs_len % SECTOR_SIZE) != 0)
usage();
}
/* check the file */
hxf_img = open(argv[1], O_RDONLY);
if (hxf_sanity(hxf_img)) {
printf("Non-HXF format!\n");
return 1;
} else {
printf("Sanity check OK\n");
}
lseek(hxf_img, 0, SEEK_SET);
read(hxf_img, &hxf_hdr, sizeof (hxf_hdr));
printf("HXF info:\n");
printf(" Signature: 0x%08x\n", hxf_hdr.signature);
strncpy(s, hxf_hdr.unknown1, 4);
s[4] = '\0';
printf(" Unknown1: %s\n", s);
strncpy(s, hxf_hdr.timestamp, 12);
s[12] = '\0';
printf(" Timestamp: %s\n", s);
printf(" File size: %d bytes\n", hxf_hdr.length);
printf(" Unknown2: 0x%08x\n", hxf_hdr.unknown2);
printf(" Unknown3: 0x%08x\n", hxf_hdr.unknown3);
printf(" Identifier: %s\n", hxf_hdr.id);
if (hxf_ihfs_compatible(hxf_img)) {
printf("This HXF image can't be converted into IHFS\n");
return 1;
} else {
printf("HXF can be converted into IHFS\n");
}
/* initialize IHFS structures */
ihfs_hdr.signature = 0x49484653;
ihfs_hdr.fslen = ihfs_len / SECTOR_SIZE;
ihfs_hdr.unknown1 = 0x00000004;
ihfs_hdr.unknown2 = 0xfffff000;
memcpy(ihfs_hdr.timestamp, hxf_hdr.timestamp, 12);
ihfs_hdr.numfiles = 0;
memset(ihfs_hdr.zeros, 0, 476);
ihfs_hdr.marker = 0x55aa55aa;
memset(&ihfs_ftbl, 0, sizeof (ihfs_ftbl));
/* start converting */
lseek(hxf_img, sizeof (hxf_header_t), SEEK_SET);
ihfs_img = open(argv[2], O_WRONLY|O_CREAT|O_TRUNC, 0644);
lseek(ihfs_img, sizeof (ihfs_header_t) + 3 * SECTOR_SIZE + sizeof (ihfs_file_table_t), SEEK_SET);
i = 0;
while (lseek(hxf_img, 0, SEEK_CUR) < hxf_hdr.length) {
read(hxf_img, &pathlen, 4);
if (pathlen == 0)
break;
path = malloc(pathlen + 1);
read(hxf_img, path, pathlen);
path[pathlen] = '\0';
read(hxf_img, &filetype, 1);
read(hxf_img, &filesize, 4);
/* update the file table and copy the data */
strncpy(ihfs_ftbl.files[i].fullpath, path, MAX_IHFS_PATH);
ihfs_ftbl.files[i].sector = lseek(ihfs_img, 0, SEEK_CUR) / 512;
ihfs_ftbl.files[i].length = filesize;
hxf_to_ihfs(hxf_img, ihfs_img, filesize);
free(path);
++i;
}
ihfs_hdr.numfiles = i;
/* finalize the ihfs image */
pos = lseek(ihfs_img, 0, SEEK_CUR);
if ((pos % SECTOR_SIZE) != 0) {
printf("Something wrong happened during IHFS image creation at %d\n", pos);
return 1;
}
if (pos < ihfs_len && pos < DEADFACE_START) {
memset(ff, 0xff, SECTOR_SIZE);
n = (DEADFACE_START - pos) / SECTOR_SIZE;
for (i = 0; i < n; ++i)
write(ihfs_img, ff, SECTOR_SIZE);
pos = DEADFACE_START;
}
if (pos < ihfs_len) {
for (i = 0; i < SECTOR_SIZE; i += 4) {
deadface[i] = 0xde;
deadface[i+1] = 0xad;
deadface[i+2] = 0xfa;
deadface[i+3] = 0xce;
}
n = (ihfs_len - pos) / SECTOR_SIZE;
for (i = 0; i < n; ++i)
write(ihfs_img, deadface, SECTOR_SIZE);
}
lseek(ihfs_img, 0, SEEK_SET);
write(ihfs_img, &ihfs_hdr, sizeof (ihfs_hdr));
memset(ff, 0xff, SECTOR_SIZE);
write(ihfs_img, ff, SECTOR_SIZE);
write(ihfs_img, ff, SECTOR_SIZE);
write(ihfs_img, ff, SECTOR_SIZE);
write(ihfs_img, &ihfs_ftbl, sizeof (ihfs_ftbl));
/* cleanup */
close(hxf_img);
close(ihfs_img);
printf("Done!\n");
return 0;
}
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