storage: Add primitive BIS support

nyx/nyx_gui/libs/fatfs/diskio.c

@@ -11,6 +11,7 @@
 
 #include "diskio.h"		/* FatFs lower layer API */
 #include "../../../../common/memory_map.h"
+#include "../../storage/nx_emmc_bis.h"
 #include "../../storage/nx_sd.h"
 #include "../../storage/ramdisk.h"
 #include "../../storage/sdmmc.h"
@@ -51,6 +52,10 @@ DRESULT disk_read (
 		return sdmmc_storage_read(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
 	case DRIVE_RAM:
 		return ram_disk_read(sector, count, (void *)buff);
+	case DRIVE_EMMC:
+		return sdmmc_storage_read(&emmc_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
+	case DRIVE_BIS:
+		return nx_emmc_bis_read(sector, count, (void *)buff);
 	}
 
 	return RES_ERROR;
@@ -72,6 +77,9 @@ DRESULT disk_write (
 		return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
 	case DRIVE_RAM:
 		return ram_disk_write(sector, count, (void *)buff);
+	case DRIVE_EMMC:
+	case DRIVE_BIS:
+		return RES_WRPRT;
 	}
 
 	return RES_ERROR;

nyx/nyx_gui/libs/fatfs/diskio.h

@@ -26,6 +26,8 @@ typedef enum {
 typedef enum {
 	DRIVE_SD   = 0,
 	DRIVE_RAM  = 1,
+	DRIVE_EMMC = 2,
+	DRIVE_BIS  = 3
 } DDRIVE;
 
 

nyx/nyx_gui/libs/fatfs/ffconf.h

@@ -168,13 +168,13 @@
 / Drive/Volume Configurations
 /---------------------------------------------------------------------------*/
 
-#define FF_VOLUMES		2
+#define FF_VOLUMES		4
 /* Number of volumes (logical drives) to be used. (1-10) */
 
 
 #define FF_STR_VOLUME_ID	1
 // Order is important. Any change to order, must also be reflected to diskio drive enum.
-#define FF_VOLUME_STRS		"sd","ram"
+#define FF_VOLUME_STRS		"sd","ram","emmc","bis"
 /* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.
 /  When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive
 /  number in the path name. FF_VOLUME_STRS defines the volume ID strings for each