#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/errno.h>
#include <sys/dk.h>
#include <sys/debug.h>

extern unsigned char flash_data[]      asm("_binary_flash_img_start");
extern unsigned char flash_data_size[] asm("_binary_flash_img_size");
extern unsigned char flash_data_end[]  asm("_binary_flash_img_end");

/*
 * Query disk size, for swapping.
 */
daddr_t flash_size(int unit)
{
    size_t fsize = (size_t)((void *)flash_data_size)>>10;


    DEBUG3("flash%d: %u kbytes\n", unit, fsize);
    return fsize;
}

int flash_open (int unit, int flag, int mode)
{
    if (unit > 0)
        return ENXIO;
    return 0;
}

int flash_read(int unit, unsigned int offset, char *buf, unsigned int bcount)
{
    unsigned int i;
    if(unit>0)
        return ENXIO;

    offset = offset<<10;
    if(!buf)
        return 0;

    for(i=0; i<bcount; i++)
        buf[i] = flash_data[offset+i];

    return 0;
}

int flash_write(int unit, unsigned int offset, char *buf, unsigned int bcount)
{
    return 0;
}

void flash_init(int unit, int flag)
{
    if(!(flag & S_SILENT)) printf("flash%d: %d bytes\n",unit,flash_size(unit)*1024);
    flash_read(0,69,NULL,512);
}