fdisk_hal_unix.c

#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <strings.h>

#include "fdisk_hal.h"

FILE* sdcard = NULL;
unsigned char hal_border_flicker = 0;

void sdcard_visual_feedback(const uint8_t do_flicker)
{
}

void mega65_fast(void)
{
}

void sdcard_map_sector_buffer(void)
{
}

uint32_t sdcard_getsize(void)
{
  struct stat s;

  int r = fstat(fileno(sdcard), &s);

  if (r) {
    perror("stat");
    exit(-1);
  }

  return s.st_size / 512;
}

void sdcard_open(void)
{
  sdcard = fopen("sdcard.img", "r+b");
  if (!sdcard) {
    fprintf(stderr, "Could not open sdcard.img.\n");
    perror("fopen");
    exit(-1);
  }
}

uint32_t write_count = 0;

void sdcard_writesector(const uint32_t sector_number)
{
  const uint8_t* buffer = sector_buffer;

  fseek(sdcard, sector_number * 512LL, SEEK_SET);
  fwrite(buffer, 512, 1, sdcard);

  write_count++;
}

void sdcard_erase(const uint32_t first_sector, const uint32_t last_sector)
{
  uint32_t n;
  bzero(sector_buffer, sizeof(512));

  fprintf(stderr, "Erasing sectors %d..%d\n", first_sector, last_sector);

  for (n = first_sector; n <= last_sector; n++)
    sdcard_writesector(n);
}