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emunand: Implement folder and file detection (boot0/boot1 now work from SD)

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This commit is contained in:
hexkyz
2019-04-09 19:32:18 +01:00
parent 5868e0769a
commit fe62ab9aed
12 changed files with 198 additions and 159 deletions
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29
fusee/fusee-secondary/src/device_partition.c
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@@ -13,7 +13,8 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include "device_partition.h"
@@ -72,3 +73,29 @@ int device_partition_write_data(device_partition_t *devpart, const void *src, ui
return devpart->writer(devpart, src, sector, num_sectors);
}
}
int emu_device_partition_read_data(device_partition_t *devpart, void *dst, uint64_t sector, uint64_t num_sectors, const char *origin_path)
{
int rc = 0;
/* Read partition data using our backing file. */
FILE *origin = fopen(origin_path, "rb");
fseek(origin, sector * devpart->sector_size, SEEK_CUR);
rc = (fread(dst, devpart->sector_size, num_sectors, origin) > 0) ? 0 : -1;
fclose(origin);
return rc;
}
int emu_device_partition_write_data(device_partition_t *devpart, const void *src, uint64_t sector, uint64_t num_sectors, const char *origin_path)
{
int rc = 0;
/* Write partition data using our backing file. */
FILE *origin = fopen(origin_path, "wb");
fseek(origin, sector * devpart->sector_size, SEEK_CUR);
rc = (fwrite(src, devpart->sector_size, num_sectors, origin) > 0) ? 0 : -1;
fclose(origin);
return rc;
}