Subversion Repositories xulalx25soc

////////////////////////////////////////////////////////////////////////////////

//

// Filename:    dumpsdram.cpp

//

// Project:     XuLA2 board

//

// Purpose:     Read local memory, dump into a file.

//

//

// Creator:     Dan Gisselquist, Ph.D.

//              Gisselquist Technology, LLC

//

////////////////////////////////////////////////////////////////////////////////

//

// Copyright (C) 2015, Gisselquist Technology, LLC

//

// This program is free software (firmware): you can redistribute it and/or

// modify it under the terms of  the GNU General Public License as published

// by the Free Software Foundation, either version 3 of the License, or (at

// your option) any later version.

//

// This program is distributed in the hope that it will be useful, but WITHOUT

// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for more details.

//

// License:     GPL, v3, as defined and found on www.gnu.org,

//              http://www.gnu.org/licenses/gpl.html

//

//

////////////////////////////////////////////////////////////////////////////////

//

//

//

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <strings.h>

#include <ctype.h>

#include <string.h>

#include <signal.h>

#include <assert.h>

#include "usbi.h"

#include "port.h"

#include "regdefs.h"

FPGA    *m_fpga;

int main(int argc, char **argv) {

        FILE            *fp, *fpin;

        unsigned        pos=0;

        const int       BUFLN = 127;

        FPGA::BUSW      *buf = new FPGA::BUSW[BUFLN],

                        *cmp = new FPGA::BUSW[BUFLN];

        if (argc<=2) {

                printf("Usage: dumpsdram srcfile outfile\n");

                exit(-1);

        }

        FPGAOPEN(m_fpga);

        fpin = fopen(argv[1], "rb");

        if (fpin == NULL) {

                fprintf(stderr, "Could not open %s\n", argv[1]);

                exit(-1);

        }

        try {

                int     nr;

                pos = SDRAMBASE;

                do {

                        nr = BUFLN;

                        if (nr + pos > SDRAMBASE*2)

                                nr = SDRAMBASE*2 - pos;

                        nr = fread(buf, sizeof(FPGA::BUSW), nr, fpin);

                        if (nr <= 0)

                                break;

                        m_fpga->writei(pos, nr, buf);

                        pos += nr;

                } while((nr > 0)&&(pos < 2*SDRAMBASE));

                printf("SUCCESS::fully wrote full file to memory (pos = %08x)\n", pos);

        } catch(BUSERR a) {

                fprintf(stderr, "BUS Err while writing at address 0x%08x\n", a.addr);

                fprintf(stderr, "... is your program too long for this memory?\n");

                exit(-2);

        }

        rewind(fpin);

        fp = fopen(argv[2], "wb");

        if (fp == NULL) {

                fprintf(stderr, "Could not open: %s\n", argv[2]);

                exit(-1);

        }

        try {

                pos = SDRAMBASE;

                const unsigned int MAXRAM = SDRAMBASE*2;

                do {

                        int nw, nr;

                        if (MAXRAM-pos > BUFLN)

                                nr = BUFLN;

                        else

                                nr = MAXRAM-pos;

                        m_fpga->readi(pos, nr, buf);

                        pos += nr;

                        nw = fwrite(buf, sizeof(FPGA::BUSW), nr, fp);

                        if (nw < nr) {

                                printf("Only wrote %d of %d words!\n", nw, nr);

                                exit(-2);

                        } printf("nr = %d, pos = %08x (%08x / %08x)\n", nr,

                                pos, SDRAMBASE, MAXRAM);

                        {int cr;

                        cr = fread(cmp, sizeof(FPGA::BUSW), nr, fpin);

                        for(int i=0; i<cr; i++)

                                if (cmp[i] != buf[i])

                                        fprintf(stderr, "MISMATCH: MEM[%08x] = %08x != %08x\n",

                                                pos-nr+i, buf[i], cmp[i]);

                        if (cr != nr) {

                                printf("Only read %d words from our input file\n", cr);

                                break;

                        }

                        }

                } while(pos < MAXRAM);

                printf("Successfully  read&copied %04x (%6d) words from memory\n",

                                pos-SDRAMBASE, pos-SDRAMBASE);

        } catch(BUSERR a) {

                fprintf(stderr, "BUS Err at address 0x%08x\n", a.addr);

                fprintf(stderr, "... is your program too long for this memory?\n");

                exit(-2);

        }

        delete  m_fpga;

}