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Initial attempt at c200 support - you now need both a "firmware.mi4" file (c200 bootloader) and "PP5022.mi4" file (e200 bootloader) to compile. sansapatcher should detect the device type and install the correct bootloader.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14755 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2007-09-19 18:46:54 +00:00
parent dbbc8358ce
commit 8d145a5574
5 changed files with 121 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

25
rbutil/sansapatcher/Makefile
View file

@ -14,30 +14,33 @@ CC = $(CROSS)gcc
all: $(OUTPUT)
sansapatcher: main.c sansapatcher.c sansaio-posix.c parttypes.h bootimg.c
gcc $(CFLAGS) -o sansapatcher main.c sansapatcher.c sansaio-posix.c bootimg.c
sansapatcher: main.c sansapatcher.c sansaio-posix.c parttypes.h bootimg_c200.c bootimg_e200.c
gcc $(CFLAGS) -o sansapatcher main.c sansapatcher.c sansaio-posix.c bootimg_c200.c bootimg_e200.c
strip sansapatcher
sansapatcher.exe: main.c sansapatcher.c sansaio-win32.c parttypes.h bootimg.c
$(CC) $(CFLAGS) -o sansapatcher.exe main.c sansapatcher.c sansaio-win32.c bootimg.c
sansapatcher.exe: main.c sansapatcher.c sansaio-win32.c parttypes.h bootimg_c200.c bootimg_e200.c
$(CC) $(CFLAGS) -o sansapatcher.exe main.c sansapatcher.c sansaio-win32.c bootimg_c200.c bootimg_e200.c
$(CROSS)strip sansapatcher.exe
sansapatcher-mac: sansapatcher-i386 sansapatcher-ppc
lipo -create sansapatcher-ppc sansapatcher-i386 -output sansapatcher-mac
sansapatcher-i386: main.c sansapatcher.c sansaio-posix.c parttypes.h bootimg.c
gcc -isysroot /Developer/SDKs/MacOSX10.4u.sdk -o bin/i386/program -arch i386 $(CFLAGS) -o sansapatcher-i386 main.c sansapatcher.c sansaio-posix.c bootimg.c
sansapatcher-i386: main.c sansapatcher.c sansaio-posix.c parttypes.h bootimg_c200.c bootimg_e200.c
gcc -isysroot /Developer/SDKs/MacOSX10.4u.sdk -o bin/i386/program -arch i386 $(CFLAGS) -o sansapatcher-i386 main.c sansapatcher.c sansaio-posix.c bootimg_c200.c bootimg_e200.c
strip sansapatcher-i386
sansapatcher-ppc: main.c sansapatcher.c sansaio-posix.c parttypes.h bootimg.c
gcc -arch ppc $(CFLAGS) -o sansapatcher-ppc main.c sansapatcher.c sansaio-posix.c bootimg.c
sansapatcher-ppc: main.c sansapatcher.c sansaio-posix.c parttypes.h bootimg_c200.c bootimg_e200.c
gcc -arch ppc $(CFLAGS) -o sansapatcher-ppc main.c sansapatcher.c sansaio-posix.c bootimg_c200.c bootimg_e200.c
strip sansapatcher-ppc
bin2c: bin2c.c
$(NATIVECC) $(CFLAGS) -o bin2c bin2c.c
bootimg.c: PP5022.mi4 bin2c
./bin2c PP5022.mi4 bootimg
bootimg_c200.c: firmware.mi4 bin2c
./bin2c firmware.mi4 bootimg_c200
bootimg_e200.c: PP5022.mi4 bin2c
./bin2c PP5022.mi4 bootimg_e200
clean:
rm -f sansapatcher.exe sansapatcher-mac sansapatcher-i386 sansapatcher-ppc sansapatcher bin2c bootimg.c bootimg.h *~
rm -f sansapatcher.exe sansapatcher-mac sansapatcher-i386 sansapatcher-ppc sansapatcher bin2c bootimg_c200.c bootimg_c200.h bootimg_e200.c bootimg_e200.h *~

22
rbutil/sansapatcher/main.c
View file

@ -73,7 +73,7 @@ void print_usage(void)
fprintf(stderr,"DISKNO is the number (e.g. 2) Windows has assigned to your sansa's hard disk.\n");
fprintf(stderr,"The first hard disk in your computer (i.e. C:\\) will be disk 0, the next disk\n");
fprintf(stderr,"will be disk 1 etc. sansapatcher will refuse to access a disk unless it\n");
fprintf(stderr,"can identify it as being an E200.\n");
fprintf(stderr,"can identify it as being an E200 or C200.\n");
fprintf(stderr,"\n");
#else
#if defined(linux) || defined (__linux)
@ -84,7 +84,7 @@ void print_usage(void)
fprintf(stderr,"\"device\" is the device node (e.g. /dev/disk1) assigned to your sansa.\n");
#endif
fprintf(stderr,"sansapatcher will refuse to access a disk unless it can identify it as being\n");
fprintf(stderr,"an E200.\n");
fprintf(stderr,"an E200 or C200.\n");
#endif
}
@ -154,7 +154,7 @@ int main(int argc, char* argv[])
if ((argc > 1) && (strcmp(argv[1],"--scan")==0)) {
if (sansa_scan(&sansa) == 0)
fprintf(stderr,"[ERR] No E200s found.\n");
fprintf(stderr,"[ERR] No E200s or C200s found.\n");
return 0;
}
@ -168,13 +168,13 @@ int main(int argc, char* argv[])
#endif
i = 2;
} else {
/* Autoscan for E200s */
/* Autoscan for C200/E200s */
n = sansa_scan(&sansa);
if (n==0) {
fprintf(stderr,"[ERR] No E200s found, aborting\n");
fprintf(stderr,"[ERR] No E200s or C200s found, aborting\n");
fprintf(stderr,"[ERR] Please connect your sansa and ensure it is in UMS mode\n");
#if defined(__APPLE__) && defined(__MACH__)
fprintf(stderr,"[ERR] Also ensure that your E200's main partition is not mounted.\n");
fprintf(stderr,"[ERR] Also ensure that your Sansa's main partition is not mounted.\n");
#elif !defined(__WIN32__)
if (geteuid()!=0) {
fprintf(stderr,"[ERR] You may also need to run sansapatcher as root.\n");
@ -182,8 +182,8 @@ int main(int argc, char* argv[])
#endif
fprintf(stderr,"[ERR] Please refer to the Rockbox manual if you continue to have problems.\n");
} else if (n > 1) {
fprintf(stderr,"[ERR] %d E200s found, aborting\n",n);
fprintf(stderr,"[ERR] Please connect only one E200 and re-run sansapatcher.\n");
fprintf(stderr,"[ERR] %d Sansas found, aborting\n",n);
fprintf(stderr,"[ERR] Please connect only one Sansa and re-run sansapatcher.\n");
}
if (n != 1) {
@ -253,12 +253,14 @@ int main(int argc, char* argv[])
display_partinfo(&sansa);
i = is_e200(&sansa);
i = is_sansa(&sansa);
if (i < 0) {
fprintf(stderr,"[ERR] Disk is not an E200 (%d), aborting.\n",i);
fprintf(stderr,"[ERR] Disk is not an E200 or C200 (%d), aborting.\n",i);
return 3;
}
fprintf(stderr,"[INFO] Sansa %s detected\n",sansa.targetname);
if (sansa.hasoldbootloader) {
printf("[ERR] ************************************************************************\n");
printf("[ERR] *** OLD ROCKBOX INSTALLATION DETECTED, ABORTING.\n");

1
rbutil/sansapatcher/sansaio.h
View file

@ -59,6 +59,7 @@ struct sansa_t {
int sector_size;
struct sansa_partinfo_t pinfo[4];
int hasoldbootloader;
char* targetname; /* "e200" or "c200" */
loff_t start; /* Offset in bytes of firmware partition from start of disk */
};

101
rbutil/sansapatcher/sansapatcher.c
View file

@ -30,7 +30,8 @@
#include "sansapatcher.h"
#ifndef RBUTIL
#include "bootimg.h"
#include "bootimg_c200.h"
#include "bootimg_e200.h"
#endif
/* The offset of the MI4 image header in the firmware partition */
#define PPMI_OFFSET 0x80000
@ -121,6 +122,60 @@ int sansa_read_partinfo(struct sansa_t* sansa, int silent)
return 0;
}
/* NOTE: memmem implementation copied from glibc-2.2.4 - it's a GNU
extension and is not universally. In addition, early versions of
memmem had a serious bug - the meaning of needle and haystack were
reversed. */
/* Copyright (C) 1991,92,93,94,96,97,98,2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* Return the first occurrence of NEEDLE in HAYSTACK. */
static void *
sansa_memmem (haystack, haystack_len, needle, needle_len)
const void *haystack;
size_t haystack_len;
const void *needle;
size_t needle_len;
{
const char *begin;
const char *const last_possible
= (const char *) haystack + haystack_len - needle_len;
if (needle_len == 0)
/* The first occurrence of the empty string is deemed to occur at
the beginning of the string. */
return (void *) haystack;
/* Sanity check, otherwise the loop might search through the whole
memory. */
if (__builtin_expect (haystack_len < needle_len, 0))
return NULL;
for (begin = (const char *) haystack; begin <= last_possible; ++begin)
if (begin[0] == ((const char *) needle)[0] &&
!memcmp ((const void *) &begin[1],
(const void *) ((const char *) needle + 1),
needle_len - 1))
return (void *) begin;
return NULL;
}
/*
* CRC32 implementation taken from:
@ -191,7 +246,7 @@ static void chksum_crc32gentab (void)
}
/* Known keys for Sansa E200 and C200 firmwares: */
#define NUM_KEYS (sizeof(keys)/sizeof(keys[0]))
#define NUM_KEYS ((int)(sizeof(keys)/sizeof(keys[0])))
static uint32_t keys[][4] = {
{ 0xe494e96e, 0x3ee32966, 0x6f48512b, 0xa93fbb42 }, /* "sansa" */
{ 0xd7b10538, 0xc662945b, 0x1b3fce68, 0xf389c0e6 }, /* "sansa_gh" */
@ -328,10 +383,11 @@ static int sansa_seek_and_read(struct sansa_t* sansa, loff_t pos, unsigned char*
5) The "PPMI" string appears at offset PPMI_OFFSET in the 2nd partition.
*/
int is_e200(struct sansa_t* sansa)
int is_sansa(struct sansa_t* sansa)
{
struct mi4header_t mi4header;
int ppmi_length;
int ppbl_length;
/* Check partition layout */
@ -354,10 +410,31 @@ int is_e200(struct sansa_t* sansa)
/* No bootloader header, abort */
return -4;
}
ppbl_length = (le2int(sectorbuf+4) + 0x1ff) & ~0x1ff;
/* Sanity/safety check - the bootloader can't be larger than PPMI_OFFSET */
if (ppbl_length > PPMI_OFFSET)
{
return -5;
}
/* Load Sansa bootloader and check for "Sansa C200" magic string */
if (sansa_seek_and_read(sansa, sansa->start + 0x200, sectorbuf, ppbl_length) < 0) {
fprintf(stderr,"[ERR] Seek and read to 0x%08llx in is_sansa failed.\n",
sansa->start+0x200);
return -6;
}
if (sansa_memmem(sectorbuf, ppbl_length, "Sansa C200", 10) != NULL) {
/* C200 */
sansa->targetname="c200";
} else {
/* E200 */
sansa->targetname="e200";
}
/* Check Main firmware header */
if (sansa_seek_and_read(sansa, sansa->start+PPMI_OFFSET, sectorbuf, 0x200) < 0) {
fprintf(stderr,"[ERR] Seek to 0x%08llx in is_e200 failed.\n",
fprintf(stderr,"[ERR] Seek to 0x%08llx in is_sansa failed.\n",
sansa->start+PPMI_OFFSET);
return -5;
}
@ -369,7 +446,7 @@ int is_e200(struct sansa_t* sansa)
/* Check main mi4 file header */
if (sansa_seek_and_read(sansa, sansa->start+PPMI_OFFSET+0x200, sectorbuf, 0x200) < 0) {
fprintf(stderr,"[ERR] Seek to 0x%08llx in is_e200 failed.\n",
fprintf(stderr,"[ERR] Seek to 0x%08llx in is_sansa failed.\n",
sansa->start+PPMI_OFFSET+0x200);
return -5;
}
@ -435,7 +512,7 @@ int sansa_scan(struct sansa_t* sansa)
continue;
}
if (is_e200(sansa) < 0) {
if (is_sansa(sansa) < 0) {
continue;
}
@ -602,7 +679,11 @@ int sansa_add_bootloader(struct sansa_t* sansa, char* filename, int type)
bl_length = filesize(infile);
} else {
#ifndef RBUTIL
bl_length = LEN_bootimg;
if (strcmp(sansa->targetname,"c200") == 0) {
bl_length = LEN_bootimg_c200;
} else {
bl_length = LEN_bootimg_e200;
}
#endif
}
@ -629,7 +710,11 @@ int sansa_add_bootloader(struct sansa_t* sansa, char* filename, int type)
}
} else {
#ifndef RBUTIL
memcpy(sectorbuf+0x200,bootimg,LEN_bootimg);
if (strcmp(sansa->targetname,"c200") == 0) {
memcpy(sectorbuf+0x200,bootimg_c200,LEN_bootimg_c200);
} else {
memcpy(sectorbuf+0x200,bootimg_e200,LEN_bootimg_e200);
}
#endif
}

2
rbutil/sansapatcher/sansapatcher.h
View file

@ -31,7 +31,7 @@ extern unsigned char* sectorbuf;
#define FILETYPE_INTERNAL 1
int sansa_read_partinfo(struct sansa_t* sansa, int silent);
int is_e200(struct sansa_t* sansa);
int is_sansa(struct sansa_t* sansa);
int sansa_scan(struct sansa_t* sansa);
int sansa_read_firmware(struct sansa_t* sansa, char* filename);
int sansa_add_bootloader(struct sansa_t* sansa, char* filename, int type);