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Factor out scramble / mkboot functions to allow easier reuse (for rbutil).

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17732 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dominik Riebeling 2008-06-18 22:30:59 +00:00
parent efbd2b8d7a
commit c47988034f
6 changed files with 116 additions and 34 deletions
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43
tools/mkboot.c
View file

@ -19,25 +19,25 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "mkboot.h"
void usage(void)
#ifndef RBUTIL
static void usage(void)
{
printf("usage: mkboot [-h300] <firmware file> <boot file> <output file>\n");
exit(1);
}
#endif
unsigned char image[0x400000 + 0x220 + 0x400000/0x200];
static unsigned char image[0x400000 + 0x220 + 0x400000/0x200];
#ifndef RBUTIL
int main(int argc, char *argv[])
{
char *infile, *bootfile, *outfile;
FILE *f;
int i;
int len;
int actual_length, total_length, binary_length, num_chksums;
int origin = 0x1f0000; /* H1x0 bootloader address */
if(argc < 3) {
usage();
}
@ -55,6 +55,16 @@ int main(int argc, char *argv[])
bootfile = argv[2];
outfile = argv[3];
}
return mkboot(infile, bootfile, outfile, origin);
}
#endif
int mkboot(const char* infile, const char* bootfile, const char* outfile, int origin)
{
FILE *f;
int i;
int len;
int actual_length, total_length, binary_length, num_chksums;
memset(image, 0xff, sizeof(image));
@ -62,13 +72,14 @@ int main(int argc, char *argv[])
f = fopen(infile, "rb");
if(!f) {
perror(infile);
exit(1);
return -1;
}
i = fread(image, 1, 16, f);
if(i < 16) {
perror(infile);
exit(1);
fclose(f);
return -2;
}
/* This is the length of the binary image without the scrambling
@ -81,7 +92,8 @@ int main(int argc, char *argv[])
i = fread(image+16, 1, len, f);
if(i < len) {
perror(infile);
exit(1);
fclose(f);
return -3;
}
fclose(f);
@ -90,7 +102,8 @@ int main(int argc, char *argv[])
f = fopen(bootfile, "rb");
if(!f) {
perror(bootfile);
exit(1);
fclose(f);
return -4;
}
fseek(f, 0, SEEK_END);
@ -101,7 +114,8 @@ int main(int argc, char *argv[])
i = fread(image+0x220 + origin, 1, len, f);
if(i < len) {
perror(bootfile);
exit(1);
fclose(f);
return -5;
}
fclose(f);
@ -109,7 +123,7 @@ int main(int argc, char *argv[])
f = fopen(outfile, "wb");
if(!f) {
perror(outfile);
exit(1);
return -6;
}
/* Patch the reset vector to start the boot loader */
@ -161,7 +175,8 @@ int main(int argc, char *argv[])
i = fwrite(image, 1, total_length, f);
if(i < total_length) {
perror(outfile);
exit(1);
fclose(f);
return -7;
}
printf("Wrote 0x%x bytes in %s\n", total_length, outfile);