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/*

 * Copyright (c) 2006, Kohsuke Ohtani

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the author nor the names of any co-contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 */

/*

 * ramdisk.c - ramdisk driver test program.

 */

#include <sys/prex.h>

#include <stdio.h>

#include <string.h>

#include <ctype.h>

static char test_msg[] = "Hello. This is a test message.";

int

test_read(int sector)

{

        device_t ramdev;

        size_t size;

        int error, i, j;

        static unsigned char disk_buf[512];

        unsigned char ch;

        printf("open ram0\n");

        error = device_open("ram0", 0, &ramdev);

        if (error) {

                printf("open failed\n");

                return 0;

        }

        printf("opened\n");

        printf("ramdisk read: sector=%d buf=%x\n", sector, (u_int)disk_buf);

        size = 512;

        error = device_read(ramdev, disk_buf, &size, sector);

        if (error) {

                printf("read failed\n");

                device_close(ramdev);

                return 0;

        }

        printf("read comp: sector=%d buf=%x\n", sector, (u_int)disk_buf);

        for (i = 0; i < (512 / 16); i++) {

                for (j = 0; j < 16; j++)

                        printf("%02x ", disk_buf[i * 16 + j]);

                printf("    ");

                for (j = 0; j < 16; j++) {

                        ch = disk_buf[i * 16 + j];

                        if (isprint(ch))

                                putchar(ch);

                        else

                                putchar('.');

                }

                printf("\n");

        }

        printf("\n");

        error = device_close(ramdev);

        if (error)

                printf("close failed\n");

        return 0;

}

int

test_write(int sector)

{

        device_t ramdev;

        size_t size;

        int error;

        static unsigned char disk_buf[512];

        printf("open ram0\n");

        error = device_open("ram0", 0, &ramdev);

        if (error) {

                printf("open failed\n");

                return 0;

        }

        printf("opened\n");

        size = 512;

        error = device_read(ramdev, disk_buf, &size, sector);

        if (error) {

                printf("read failed\n");

                device_close(ramdev);

                return 0;

        }

        printf("read comp sector=%d\n", sector);

        strcpy((char *)disk_buf, test_msg);

        size = 512;

        error = device_write(ramdev, disk_buf, &size, sector);

        if (error) {

                printf("write failed\n");

                device_close(ramdev);

                return 0;

        }

        printf("write comp sector=%d\n", sector);

        error = device_close(ramdev);

        if (error)

                printf("close failed\n");

        return 0;

}

int

main(int argc, char *argv[])

{

        test_read(0);

        test_read(1);

        test_write(1);

        test_read(1);

        return 0;

}