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