URL
https://opencores.org/ocsvn/mlite/mlite/trunk
Subversion Repositories mlite
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- This comparison shows the changes necessary to convert path
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- from Rev 25 to Rev 26
- ↔ Reverse comparison
Rev 25 → Rev 26
/trunk/tools/convert.c
1,16 → 1,14
//convert.c by Steve Rhoads 4/26/01 |
//This program takes a little-endian MIPS executable and |
//converts it to a big-endian executable and changes |
//absolute jumps to branches. |
//This program strips off the first 0x1000 bytes |
#include <stdio.h> |
#include <stdlib.h> |
|
#define BUF_SIZE (1024*1024) |
#define CODE_OFFSET 0x200 |
#define CODE_OFFSET 0x1000 |
|
int main(int argc,char *argv[]) |
{ |
FILE *infile,*outfile; |
FILE *infile,*outfile,*txtfile; |
unsigned char *buf; |
long size,i,j; |
unsigned long d; |
22,22 → 20,19
buf=(unsigned char*)malloc(BUF_SIZE); |
size=fread(buf,1,BUF_SIZE,infile); |
fclose(infile); |
outfile=fopen("code.txt","w"); |
infile=fopen("test2.exe","wb"); |
outfile=fopen("test2.exe","wb"); |
txtfile=fopen("code.txt","w"); |
for(i=CODE_OFFSET;i<size;i+=4) { |
d=(buf[i+3]<<24)|(buf[i+2]<<16)|(buf[i+1]<<8)|buf[i]; |
if((d>>24)==0x0c) { //JAL |
j=(d&0xfffff)-0x400-((i-CODE_OFFSET)>>2)-1; //BGEZAL |
d=0x04110000+(j&0xffff); |
} |
if(i==CODE_OFFSET) { |
d=0x341d8000; //ori $29,0,0x8000 |
} |
fprintf(outfile,"%8.8x\n",d); |
fwrite(&d,4,1,infile); |
d=(buf[i]<<24)|(buf[i+1]<<16)|(buf[i+2]<<8)|buf[i+3]; |
// if((d>>24)==0x0c) { //JAL |
// j=(d&0xfffff)-0x400-((i-CODE_OFFSET)>>2)-1; //BGEZAL |
// d=0x04110000+(j&0xffff); |
// } |
fprintf(txtfile,"%8.8x\n",d); |
fwrite(buf+i,4,1,outfile); |
} |
fclose(outfile); |
fclose(infile); |
fclose(txtfile); |
free(buf); |
return 0; |
} |