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Add support for installing/replacing the bootloader in the PPBL section of the firmware partition. Allows installation of the Rockbox bootloader in place of the Sandisk one. This expects a plain bootloader binary with no header. Our Rockbox bootloader successfully boots both Rockbox and the OF when installed in this way. This makes it easy to get to a state where e200tool is required, so care is advised.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15108 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Barry Wardell 2007-10-14 18:09:40 +00:00
parent e6e597594d
commit 080889a135
3 changed files with 74 additions and 1 deletions
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30
rbutil/sansapatcher/main.c
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@ -48,7 +48,8 @@ enum {
WRITE_FIRMWARE,
READ_PARTITION,
WRITE_PARTITION,
UPDATE_OF
UPDATE_OF,
UPDATE_PPBL
};
void print_usage(void)
@ -67,6 +68,7 @@ void print_usage(void)
fprintf(stderr," -a, --add-bootloader filename.mi4\n");
fprintf(stderr," -d, --delete-bootloader\n");
fprintf(stderr," -of --update-original-firmware filename.mi4\n");
fprintf(stderr," -bl --update-ppbl filename.bin\n");
fprintf(stderr,"\n");
#ifdef __WIN32__
@ -225,6 +227,13 @@ int main(int argc, char* argv[])
if (i == argc) { print_usage(); return 1; }
filename=argv[i];
i++;
} else if ((strcmp(argv[i],"-bl")==0) ||
(strcmp(argv[i],"--update-ppbl")==0)) {
action = UPDATE_PPBL;
i++;
if (i == argc) { print_usage(); return 1; }
filename=argv[i];
i++;
} else if ((strcmp(argv[i],"-rf")==0) ||
(strcmp(argv[i],"--read-firmware")==0)) {
action = READ_FIRMWARE;
@ -345,6 +354,25 @@ int main(int argc, char* argv[])
} else {
fprintf(stderr,"[ERR] --update-original-firmware failed.\n");
}
} else if (action==UPDATE_PPBL) {
printf("[WARN] PPBL installation will overwrite your bootloader. This will lead to a\n");
printf(" Sansa that won't boot if the bootloader file is invalid. Only continue if\n");
printf(" you're sure you know what you're doing.\n");
printf(" Continue (y/n)? ");
if (fgets(yesno,4,stdin)) {
if (yesno[0]=='y') {
if (sansa_reopen_rw(&sansa) < 0) {
return 5;
}
if (sansa_update_ppbl(&sansa, filename)==0) {
fprintf(stderr,"[INFO] PPBL updated successfully.\n");
} else {
fprintf(stderr,"[ERR] --update-ppbl failed.\n");
}
}
}
}
}