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/**[txh]********************************************************************
Copyright (c) 2005 Juan Pablo D. Borgna <jpborgna en inti gov ar>
Copyright (c) 2006-2007 Salvador E. Tropea <salvador en inti gov ar>
Copyright (c) 2005-2007 Instituto Nacional de Tecnología Industrial
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; version 2.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA
Description: Generates a SVF file from a xilinx .bit file.
***************************************************************************/
/*****************************************************************************
Target: Any
Language: C
Compiler: gcc 3.3.5 (Debian GNU/Linux)
Text editor: SETEdit 0.5.5
*****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include "bitfile.h"
#include "parts.h"
#include "commands.h"
#include "global.h"
#include "bitshandle.h"
#define DEFAULT_RES "/usr/share/bit2svf/"
static char *theBitFile;
static char *theSVFFile;
static char *thePath=NULL;
static char *theDevice;
static long skip=-1, limit=-1;
static
struct option longopts[] =
{
{ "help", 0, 0, 'h' },
{ "length", 1, 0, 'l' },
{ "path", 1, 0, 'p' },
{ "skip", 1, 0, 's' },
{ 0, 0, 0, 0 }
};
static
void Usage()
{
#define PrintHelp(a) printf(a)
#define FlushHelp() printf("\n"); fflush(stdout)
PrintHelp("bit2svf [options] infile.bit outfile.svf DEVICE_NAME\n\n");
PrintHelp("Valid options are:\n");
PrintHelp("-h, --help displays this text ;-).\n");
PrintHelp("-l, --length=LIMIT limit the number of bits.\n");
PrintHelp("-p, --path=PATH is the full path to the directory with DEVICES file\n");
PrintHelp(" and the templates files to be used.\n");
PrintHelp("-s, --skip=OFFSET skip OFFSET bits in the bitstream.\n");
FlushHelp();
exit(1);
}
static
void ParseCommandLine(int argc, char *argv[])
{
int optc;
while ((optc=getopt_long(argc,argv,"hl:p:s:",longopts,0))!=EOF)
{
switch (optc)
{
case 'l':
limit=strtol(optarg,NULL,0);
if (limit%8)
{
fprintf(stderr,"The length must be multiple of 8\n");
exit(2);
}
limit/=8;
break;
case 'p':
thePath=optarg;
break;
case 's':
skip=strtol(optarg,NULL,0);
if (skip%8)
{
fprintf(stderr,"The skip must be multiple of 8\n");
exit(2);
}
skip/=8;
break;
case 'h':
default:
Usage();
}
}
if (argc-optind<3)
{
fprintf(stderr,"Error: Missing arguments\n\n");
Usage();
}
theBitFile=argv[optind];
theSVFFile=argv[optind+1];
theDevice=argv[optind+2];
}
/* main function */
int main(int argc, char *argv[])
{
struct bithead bh;
FILE *bitfile;
FILE *cfile;
FILE *tplate;
char line[1001];
part *selected=NULL;
char *res_path=NULL;
char *devices=NULL;
int isBit;
address=0l;
step=0l;
s_bytes=0l;
s_bits=0l;
stream_s=0l;
cutlines=1;
id=NULL;
idmask=NULL;
bsize=NULL;
msize=0l;
templ=NULL;
fprintf(stderr,"\nbit2svf - SVF file generator - v1.3.1\n");
fprintf(stderr,"Copyright (c) 2005 Juan Pablo D. Borgna/INTI\n");
fprintf(stderr,"Copyright (c) 2006-2007 Salvador E. Tropea/INTI\n\n");
ParseCommandLine(argc,argv);
if ((bitfile=fopen(theBitFile,"rb"))==NULL)
{
perror("BITFILE");
return 2;
}
if (!strcmp(theSVFFile,"-"))
cfile=stdout;
else
{
if ((cfile=fopen(theSVFFile,"wt"))==NULL)
{
perror("SVFFILE");
return 3;
}
}
if (thePath)
res_path=thePath;
else /* If is not a command line parameter */
if (((res_path=getenv("BIT2SVF_RES"))==NULL) || (strlen(res_path)==0))
res_path=strdup(DEFAULT_RES); /* if couldnt get it from env, default*/
//asprintf(&devices,"%s/DEVICES",res_path);
devices=(char *)malloc(strlen(res_path)+9);
strcpy(devices,res_path);
strcat(devices,"/");
strcat(devices,"DEVICES");
if (select_part_from_file(theDevice,devices,&selected)) return 12;
fprintf(stderr,"Using DEVICES: %s\n",devices);
id=strdup(selected->id);
idmask=strdup(selected->idmask);
msize=selected->msize;
bsize=selected->bsize;
//asprintf(&templ,"%s/%s",res_path,selected->alg_tpl);
templ=(char *)malloc(strlen(res_path)+strlen(selected->alg_tpl)+6);
strcpy(templ,res_path);
strcat(templ,"/");
strcat(templ,selected->alg_tpl);
strcat(templ,".svft");
if ((tplate=fopen(templ,"rt"))==NULL)
{
perror("TEMPLATE");
return 4;
}
fprintf(stderr,"Using template: %s\n",templ);
isBit=1;
initbh(&bh);
if (readhead(&bh, bitfile))
{
fprintf(stderr,"\nInvalid .bit file assuming .bin.\n");
isBit=0;
fseek(bitfile,0,SEEK_END);
bh.length=ftell(bitfile);
fseek(bitfile,0,SEEK_SET);
}
else
{
fprintf(stderr,"\n");
fprintf(stderr,"Bit file created on %s at %s.\n", bh.date, bh.time);
fprintf(stderr,"Created from file %s for Xilinx part %s.\n", bh.filename, bh.part);
}
fprintf(stderr,"Bitstream length is %d bytes.\n", bh.length);
if (skip>=0)
{
if (bh.length<skip)
{
fprintf(stderr,"The number of bytes to skip is bigger than the current length.\n");
return 13;
}
fseek(bitfile,skip,SEEK_CUR);
bh.length-=skip;
fprintf(stderr,"Skipping %ld bytes, new length %d.\n",skip,bh.length);
}
if (limit>=0)
{
if (bh.length<limit)
{
fprintf(stderr,"The specified length is bigger than the current length.\n");
return 12;
}
bh.length=limit;
fprintf(stderr,"Limiting bitstream length to %d bytes.\n",bh.length);
}
fprintf(stderr,"\n");
stream_s=ftell(bitfile);
s_bytes=bh.length;
s_bits=8*s_bytes;
fgets(line,1001,tplate);
while(!feof(tplate))
{
if (!strncasecmp(line,"--",2))
{ /* block found */
/* LITERAL */
if (!strncasecmp(line,"--LITERAL START",15))
if(repeat(tplate,cfile,bitfile,0)) return 6;
/* end LITERAL */
/* REPEAT */
if (!strncasecmp(line,"--REPEAT START",14))
if (repeat(tplate,cfile,bitfile,-1)) return 7;
/* end REPEAT */
/* REPEAT UNTIL */
if (!strncasecmp(line,"--REPEAT UNTIL",14))
if (repeat(tplate,cfile,bitfile,value_from(line+15))) return 8;
/* end REPEAT UNTIL */
}
else if (!strncasecmp(line,"$",1))
{
int col=0;
if(do_command(line,bitfile,cfile,&col)) return 9;
}
else if (strncasecmp(line,"//",2) && (line[0]!='\n')) /* And if its not a comment or a blank line */
{ /* Its a template error */
fprintf(stderr,"Invalid line outside block in template: %s\n",line);
return 10;
}
fgets(line,1001,tplate);
}
fclose(tplate);
fclose(cfile);
fclose(bitfile);
freebh(&bh);
fprintf(stderr,"Process finsished sucefully.\n");
return 0;
}