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authorMaurus Cuelenaere <mcuelenaere@gmail.com>2009-08-16 20:39:00 +0000
committerMaurus Cuelenaere <mcuelenaere@gmail.com>2009-08-16 20:39:00 +0000
commite8c71aa40c3287a7c4a1f0e73fe2bb0eb8985441 (patch)
tree9346bb76341fad344a34b1ee69e1c401ce216266 /rbutil/chinachippatcher
parentaaf37656692f57f3b1ce231053c9f2d15d1bea46 (diff)
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Rockbox Utility: add preliminary support for installing the bootloader (+ dual boot) on ChinaChip targets
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22356 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'rbutil/chinachippatcher')
-rw-r--r--rbutil/chinachippatcher/Makefile10
-rw-r--r--rbutil/chinachippatcher/chinachip.c310
-rw-r--r--rbutil/chinachippatcher/chinachip.h39
3 files changed, 359 insertions, 0 deletions
diff --git a/rbutil/chinachippatcher/Makefile b/rbutil/chinachippatcher/Makefile
new file mode 100644
index 0000000000..e19052a006
--- /dev/null
+++ b/rbutil/chinachippatcher/Makefile
@@ -0,0 +1,10 @@
+CFLAGS=-g -Wall -DSTANDALONE
+CC=gcc
+
+all: chinachip
+
+chinachip: chinachip.c
+ $(CC) $(CFLAGS) -o $@ $^
+
+clean:
+ rm -f chinachip
diff --git a/rbutil/chinachippatcher/chinachip.c b/rbutil/chinachippatcher/chinachip.c
new file mode 100644
index 0000000000..e7d4095b38
--- /dev/null
+++ b/rbutil/chinachippatcher/chinachip.c
@@ -0,0 +1,310 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Maurus Cuelenaere
+ *
+ * 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 <stdarg.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <time.h>
+#include "chinachip.h"
+
+/* From http://www.rockbox.org/wiki/ChinaChip */
+struct header
+{
+ uint32_t signature; /* WADF */
+ uint32_t unk;
+ int8_t timestamp[12]; /* 200805081100 */
+ uint32_t size;
+ uint32_t checksum;
+ uint32_t unk2;
+ int8_t identifier[32]; /* Chinachip PMP firmware V1.0 */
+} __attribute__ ((packed));
+
+static inline void int2le(unsigned char* addr, unsigned int val)
+{
+ addr[0] = val & 0xff;
+ addr[1] = (val >> 8) & 0xff;
+ addr[2] = (val >> 16) & 0xff;
+ addr[3] = (val >> 24) & 0xff;
+}
+
+static inline unsigned int le2int(unsigned char* buf)
+{
+ return (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0];
+}
+
+static long int filesize(FILE* fd)
+{
+ long int len;
+ fseek(fd, 0, SEEK_END);
+ len = ftell(fd);
+ fseek(fd, 0, SEEK_SET);
+ return len;
+}
+
+#ifdef STANDALONE
+#define ERR(fmt, ...) err(userdata, "[ERR] "fmt"\n", ##__VA_ARGS__)
+#define INFO(fmt, ...) info(userdata, "[INFO] "fmt"\n", ##__VA_ARGS__)
+#define tr(x) x
+#else
+#define ERR(fmt, ...) err(userdata, fmt, ##__VA_ARGS__)
+#define INFO(fmt, ...) info(userdata, fmt, ##__VA_ARGS__)
+#endif
+#define FCLOSE(fd) fclose(fd); fd = NULL;
+#define CCPMPBIN_HEADER_SIZE (sizeof(uint32_t)*2 + sizeof(uint8_t) + 9)
+#define TOTAL_SIZE (fsize + CCPMPBIN_HEADER_SIZE + bsize)
+int chinachip_patch(const char* firmware, const char* bootloader,
+ const char* output, const char* ccpmp_backup,
+ void (*info)(void*, char*, ...),
+ void (*err)(void*, char*, ...),
+ void* userdata)
+{
+ char header_time[13];
+ time_t cur_time;
+ struct tm* time_info;
+ unsigned char* buf = NULL;
+ FILE *fd = NULL, *bd = NULL, *od = NULL;
+ unsigned int ccpmp_size = 0, i, fsize, bsize;
+ signed int checksum = 0, ccpmp_pos;
+
+ fd = fopen(firmware, "rb");
+ if(!fd)
+ {
+ ERR("Can't open file %s!", firmware);
+ goto err;
+ }
+ bd = fopen(bootloader, "rb");
+ if(!bd)
+ {
+ ERR("Can't open file %s!", bootloader);
+ goto err;
+ }
+
+ bsize = filesize(bd);
+ INFO("Bootloader size is %d bytes", bsize);
+ FCLOSE(bd);
+
+ fsize = filesize(fd);
+ INFO("Firmware size is %d bytes", fsize);
+
+ buf = malloc(TOTAL_SIZE);
+ if(buf == NULL)
+ {
+ ERR("Can't allocate %d bytes!", fsize);
+ goto err;
+ }
+ memset(buf, 0, TOTAL_SIZE);
+
+ INFO("Reading %s into memory...", firmware);
+ if(fread(buf, fsize, 1, fd) != 1)
+ {
+ ERR("Can't read file %s to memory!", firmware);
+ goto err;
+ }
+ FCLOSE(fd);
+
+ if(memcmp(buf, "WADF", 4))
+ {
+ ERR("File %s isn't a valid ChinaChip firmware!", firmware);
+ goto err;
+ }
+
+ ccpmp_pos = -1, i = 0x40;
+ do
+ {
+ int filenamesize = le2int(&buf[i]);
+ i += sizeof(uint32_t);
+
+ if(!strncmp((char*) &buf[i], "ccpmp.bin", 9))
+ {
+ ccpmp_pos = i;
+ ccpmp_size = le2int(&buf[i + sizeof(uint8_t) + filenamesize]);
+ }
+ else
+ i += filenamesize + le2int(&buf[i + sizeof(uint8_t) + filenamesize])
+ + sizeof(uint32_t) + sizeof(uint8_t);
+ } while(ccpmp_pos < 0 && i < fsize);
+
+ if(i >= fsize)
+ {
+ ERR("Couldn't find ccpmp.bin in %s!", firmware);
+ goto err;
+ }
+ INFO("Found ccpmp.bin at %d bytes", ccpmp_pos);
+
+ if(ccpmp_backup)
+ {
+ bd = fopen(ccpmp_backup, "wb");
+ if(!bd)
+ {
+ ERR("Can't open file %s!", ccpmp_backup);
+ goto err;
+ }
+
+ INFO("Writing %d bytes to %s...", ccpmp_size, ccpmp_backup);
+ if(fwrite(&buf[ccpmp_pos], ccpmp_size, 1, bd) != 1)
+ {
+ ERR("Can't write to file %s!", ccpmp_backup);
+ goto err;
+ }
+ FCLOSE(bd);
+ }
+
+ INFO("Renaming it to ccpmp.old...");
+ buf[ccpmp_pos + 6] = 'o';
+ buf[ccpmp_pos + 7] = 'l';
+ buf[ccpmp_pos + 8] = 'd';
+
+ bd = fopen(bootloader, "rb");
+ if(!bd)
+ {
+ ERR("Can't open file %s!", bootloader);
+ goto err;
+ }
+
+ /* Also include path size */
+ ccpmp_pos -= sizeof(uint32_t);
+
+ INFO("Making place for ccpmp.bin...");
+ memmove(&buf[ccpmp_pos + bsize + CCPMPBIN_HEADER_SIZE],
+ &buf[ccpmp_pos], fsize - ccpmp_pos);
+
+ INFO("Reading %s into memory...", bootloader);
+ if(fread(&buf[ccpmp_pos + CCPMPBIN_HEADER_SIZE],
+ bsize, 1, bd) != 1)
+ {
+ ERR("Can't read file %s to memory!", bootloader);
+ goto err;
+ }
+ FCLOSE(bd);
+
+ INFO("Adding header to %s...", bootloader);
+ int2le(&buf[ccpmp_pos ], 9); /* Pathname Size */
+ memcpy(&buf[ccpmp_pos + 4 ], "ccpmp.bin", 9); /* Pathname */
+ memset(&buf[ccpmp_pos + 4 + 9 ], 0x20, sizeof(uint8_t)); /* File Type */
+ int2le(&buf[ccpmp_pos + 4 + 9 + 1], bsize); /* File Size */
+
+ time(&cur_time);
+ time_info = localtime(&cur_time);
+ if(time_info == NULL)
+ {
+ ERR("Can't obtain current time!");
+ goto err;
+ }
+
+ snprintf(header_time, 13, "%04d%02d%02d%02d%02d", time_info->tm_year + 1900,
+ time_info->tm_mon,
+ time_info->tm_mday,
+ time_info->tm_hour,
+ time_info->tm_min);
+
+ INFO("Computing checksum...");
+ for(i = sizeof(struct header); i < TOTAL_SIZE; i+=4)
+ checksum += le2int(&buf[i]);
+
+ INFO("Updating main header...");
+ memcpy(&buf[offsetof(struct header, timestamp)], header_time, 12);
+ int2le(&buf[offsetof(struct header, size) ], TOTAL_SIZE);
+ int2le(&buf[offsetof(struct header, checksum) ], checksum);
+
+ od = fopen(output, "wb");
+ if(!od)
+ {
+ ERR("Can't open file %s!", output);
+ goto err;
+ }
+
+ INFO("Writing output to %s...", output);
+ if(fwrite(buf, TOTAL_SIZE, 1, od) != 1)
+ {
+ ERR("Can't write to file %s!", output);
+ goto err;
+ }
+ fclose(od);
+ free(buf);
+
+ return 0;
+
+err:
+ if(buf)
+ free(buf);
+ if(fd)
+ fclose(fd);
+ if(bd)
+ fclose(bd);
+ if(od)
+ fclose(od);
+
+ return -1;
+}
+
+
+#ifdef STANDALONE
+
+#define VERSION "0.1"
+#define PRINT(fmt, ...) fprintf(stderr, fmt"\n", ##__VA_ARGS__)
+
+static void info(void* userdata, char* fmt, ...)
+{
+ (void)userdata;
+ va_list args;
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+}
+
+static void err(void* userdata, char* fmt, ...)
+{
+ (void)userdata;
+ va_list args;
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+}
+
+void usage(char* name)
+{
+ PRINT("Usage:");
+ PRINT(" %s <firmware> <bootloader> <firmware_output> [backup]", name);
+ PRINT("\nExample:");
+ PRINT(" %s VX747.HXF bootloader.bin output.HXF ccpmp.bak", name);
+ PRINT(" This will copy ccpmp.bin in VX747.HXF as ccpmp.old and replace it"
+ " with bootloader.bin, the output will get written to output.HXF."
+ " The old ccpmp.bin will get written to ccpmp.bak.");
+}
+
+int main(int argc, char* argv[])
+{
+ PRINT("ChinaChipPatcher v" VERSION " - (C) Maurus Cuelenaere 2009");
+ PRINT("This is free software; see the source for copying conditions. There is NO");
+ PRINT("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
+
+ if(argc < 4)
+ {
+ usage(argv[0]);
+ return 1;
+ }
+
+ return chinachip_patch(argv[1], argv[2], argv[3], argc > 4 ? argv[4] : NULL,
+ &info, &err, NULL);
+}
+#endif
diff --git a/rbutil/chinachippatcher/chinachip.h b/rbutil/chinachippatcher/chinachip.h
new file mode 100644
index 0000000000..2f8ba9e18a
--- /dev/null
+++ b/rbutil/chinachippatcher/chinachip.h
@@ -0,0 +1,39 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2009 by Maurus Cuelenaere
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_CHINACHIP_H_
+#define __INCLUDE_CHINACHIP_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int chinachip_patch(const char* firmware, const char* bootloader,
+ const char* output, const char* ccpmp_backup,
+ void (*info)(void*, char*, ...),
+ void (*err)(void*, char*, ...),
+ void* userdata);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_CHINACHIP_H_ */