Support for NYX to load from BOOT1/GPP/SD in that order, UMS option to mount whatever volume is selected as boot storage

2025-04-24 12:06:15 +02:00
parent 4e9e21b3b1
commit 337f219ac6
28 changed files with 425 additions and 150 deletions
--- a/bdk/ianos/ianos.c
+++ b/bdk/ianos/ianos.c
@@ -15,6 +15,7 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

+#include <storage/boot_storage.h>
 #include <string.h>

 #include "ianos.h"
@@ -75,7 +76,7 @@ uintptr_t ianos_loader(char *path, elfType_t type, void *moduleConfig)
 	uintptr_t epaddr = 0;

 	// Read library.
-	fileBuf = sd_file_read(path, NULL);
+	fileBuf = boot_storage_file_read(path, NULL);

 	if (!fileBuf)
 		goto out;
--- a/bdk/storage/boot_storage.c
+++ b/bdk/storage/boot_storage.c
@@ -4,6 +4,8 @@
 #include <storage/sd.h>
 #include <storage/emmc.h>
 #include <utils/types.h>
+#include <gfx_utils.h>
+#include <stdlib.h>

 #define DEV_INVALID 0xff

@@ -11,10 +13,10 @@ static FATFS boot_storage_fs;
 static BYTE drive = -1;

 static const char* drive_base_paths[] = {
-	[DRIVE_SD]        = XSTR(DRIVE_SD)        ":",
-	[DRIVE_BOOT1]     = XSTR(DRIVE_BOOT1)     ":",
-	[DRIVE_BOOT1_1MB] = XSTR(DRIVE_BOOT1_1MB) ":",
-	[DRIVE_EMMC]       = XSTR(DRIVE_EMMC)       ":",
+	[DRIVE_SD]         = "sd:",
+	[DRIVE_BOOT1]      = "boot1_:",
+	[DRIVE_BOOT1_1MB]  = "boot1_1mb:",
+	[DRIVE_EMMC]       = "emmc:",
 };

 static bool _is_eligible(){
@@ -78,6 +80,10 @@ void boot_storage_end(){
 	_boot_storage_end(true);
 }

+u8 boot_storage_get_drive(){
+	return drive;
+}
+
 static bool _boot_storage_mount(){
 	// may want to check sd card first and prioritize it

@@ -90,14 +96,17 @@ static bool _boot_storage_mount(){
 	static const BYTE emmc_drives[] = {DRIVE_BOOT1_1MB, DRIVE_BOOT1, DRIVE_EMMC}; 

 	for(BYTE i = 0; i < ARRAY_SIZE(emmc_drives); i++){
-		res = f_mount(&boot_storage_fs, drive_base_paths[i], true);
+		res = f_mount(&boot_storage_fs, drive_base_paths[emmc_drives[i]], true);
 		if(res == FR_OK){
+			gfx_printf("trying %s\n", drive_base_paths[emmc_drives[i]]);
 			res = f_chdrive(drive_base_paths[i]);
 			if(res == FR_OK && _is_eligible()){
-				drive = i;
+				gfx_printf("%s ok\n", drive_base_paths[emmc_drives[i]]);
+				drive = emmc_drives[i];
 				break;
 			}else{
-				f_mount(NULL, drive_base_paths[i],false);
+				gfx_printf("%s fail\n", drive_base_paths[emmc_drives[i]]);
+				f_mount(NULL, drive_base_paths[emmc_drives[i]],false);
 				res = FR_INVALID_DRIVE;
 			}
 		}
@@ -112,11 +121,14 @@ static bool _boot_storage_mount(){
 	}

 emmc_init_fail:
+	gfx_printf("trying %s\n", drive_base_paths[DRIVE_SD]);
 	if(!sd_initialize(false)){
+		gfx_printf("%s fail\n", drive_base_paths[DRIVE_SD]);
 		goto out;
 	}

 	if(!sd_mount()){
+		gfx_printf("%s fail\n", drive_base_paths[DRIVE_SD]);
 		sd_end();
 		goto out;
 	}
@@ -124,6 +136,7 @@ emmc_init_fail:
 	res = f_chdrive(drive_base_paths[DRIVE_SD]);

 	if(res == FR_OK && _is_eligible()){
+		gfx_printf("%s ok\n", drive_base_paths[DRIVE_SD]);
 		drive = DRIVE_SD;
 		return true;
 	}
@@ -137,18 +150,65 @@ out:
 bool boot_storage_mount(){
 	bool mounted = boot_storage_get_mounted();
 	bool initialized = boot_storage_get_initialized();
-	if(mounted && initialized){
-		return true;
-	}
-
+	bool res = mounted && initialized;
 	if(!mounted){
 		// not mounted. mounting will also initialize.
-		return _boot_storage_mount();
+		res = _boot_storage_mount();
+	}else if(!initialized){
+		res = _boot_storage_initialize();
 	}

-	if(!initialized){
-		return _boot_storage_initialize();
+	if(res){
+		res = f_chdrive(drive_base_paths[drive]) == FR_OK;
 	}

-	return true;
+	return res;
+}
+
+void *boot_storage_file_read(const char *path, u32 *fsize)
+{
+	FIL fp;
+	if (!boot_storage_get_mounted())
+		return NULL;
+
+	if (f_open(&fp, path, FA_READ) != FR_OK)
+		return NULL;
+
+	u32 size = f_size(&fp);
+	if (fsize)
+		*fsize = size;
+
+	void *buf = malloc(size);
+
+	if (f_read(&fp, buf, size, NULL) != FR_OK)
+	{
+		free(buf);
+		f_close(&fp);
+
+		return NULL;
+	}
+
+	f_close(&fp);
+
+	return buf;
+}
+
+int boot_storage_save_to_file(const void *buf, u32 size, const char *filename)
+{
+	FIL fp;
+	u32 res = 0;
+	if (!boot_storage_get_mounted())
+		return FR_DISK_ERR;
+
+	res = f_open(&fp, filename, FA_CREATE_ALWAYS | FA_WRITE);
+	if (res)
+	{
+		EPRINTFARGS("Error (%d) creating file\n%s.\n", res, filename);
+		return res;
+	}
+
+	f_write(&fp, buf, size, NULL);
+	f_close(&fp);
+
+	return 0;
 }
--- a/bdk/storage/boot_storage.h
+++ b/bdk/storage/boot_storage.h
@@ -13,4 +13,9 @@ void boot_storage_end();
 bool boot_storage_get_mounted();
 bool boot_storage_get_initialized();

+void *boot_storage_file_read(const char *path, u32 *fsize);
+int boot_storage_save_to_file(const void *buf, u32 size, const char *filename);
+
+u8 boot_storage_get_drive();
+
 #endif
--- a/bdk/storage/sd.c
+++ b/bdk/storage/sd.c
@@ -199,7 +199,7 @@ bool sd_mount()
 	else
 	{
 		if (!sd_mounted)
-			res = f_mount(&sd_fs, XSTR(FF_DEV_SD) ":", 1); // Volume 0 is SD.
+			res = f_mount(&sd_fs, "sd:", 1); // Volume 0 is SD.
 		if (res == FR_OK)
 		{
 			sd_mounted = true;
@@ -227,7 +227,7 @@ static void _sd_deinit(bool deinit)
 	if (sd_init_done)
 	{
 		if (sd_mounted)
-			f_mount(NULL, XSTR(FF_DEV_SD) ":", 1); // Volume 0 is SD.
+			f_mount(NULL, "sd:", 1); // Volume 0 is SD.

 		if (deinit)
 		{
@@ -246,14 +246,30 @@ bool sd_is_gpt()
 	return sd_fs.part_type;
 }

+
 void *sd_file_read(const char *path, u32 *fsize)
 {
 	FIL fp;
 	if (!sd_get_card_mounted())
 		return NULL;

-	if (f_open(&fp, path, FA_READ) != FR_OK)
+	char *cwd = (char*)malloc(0x200);
+
+	if(f_getcwd(cwd, 0x200) != FR_OK){
+		free(cwd);
 		return NULL;
+	}
+
+	if(f_chdrive("sd:") != FR_OK){
+		free(cwd);
+		return NULL;
+	}
+
+	if (f_open(&fp, path, FA_READ) != FR_OK){
+		f_chdrive(cwd);
+		free(cwd);
+		return NULL;
+	}

 	u32 size = f_size(&fp);
 	if (fsize)
@@ -263,13 +279,17 @@ void *sd_file_read(const char *path, u32 *fsize)

 	if (f_read(&fp, buf, size, NULL) != FR_OK)
 	{
+		f_chdrive(cwd);
 		free(buf);
+		free(cwd);
 		f_close(&fp);

 		return NULL;
 	}

+	f_chdrive(cwd);
 	f_close(&fp);
+	free(cwd);

 	return buf;
 }
@@ -281,13 +301,33 @@ int sd_save_to_file(const void *buf, u32 size, const char *filename)
 	if (!sd_get_card_mounted())
 		return FR_DISK_ERR;

+	char *cwd = malloc(0x200);
+
+	res = f_getcwd(cwd, 0x200);
+	
+	if(res != FR_OK){
+		free(cwd);
+		return res;
+	}
+
+	res = f_chdrive("sd:");
+
+	if(res != FR_OK){
+		free(cwd);
+		return res;
+	}
+
 	res = f_open(&fp, filename, FA_CREATE_ALWAYS | FA_WRITE);
 	if (res)
 	{
 		EPRINTFARGS("Error (%d) creating file\n%s.\n", res, filename);
+		f_chdrive(cwd);
+		free(cwd);
 		return res;
 	}

+	f_chdrive(cwd);
+	free(cwd);
 	f_write(&fp, buf, size, NULL);
 	f_close(&fp);

--- a/bdk/utils/util.c
+++ b/bdk/utils/util.c
@@ -15,6 +15,7 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

+#include <storage/boot_storage.h>
 #include <string.h>

 #include <mem/heap.h>
@@ -258,6 +259,7 @@ void power_set_state(power_state_t state)
 	u8 reg;

 	// Unmount and power down sd card.
+	boot_storage_end();
 	sd_end();

 	// De-initialize and power down various hardware.
--- a/bootloader/frontend/fe_info.c
+++ b/bootloader/frontend/fe_info.c
@@ -236,7 +236,7 @@ void print_sdcard_info()
 		if (sd_mount())
 		{
 			gfx_puts("Acquiring FAT volume info...\n\n");
-			f_getfree(XSTR(FF_DEV_SD) ":", &sd_fs.free_clst, NULL);
+			f_getfree("sd:", &sd_fs.free_clst, NULL);
 			gfx_printf("%kFound %s volume:%k\n Free:    %d MiB\n Cluster: %d KiB\n",
 					TXT_CLR_CYAN_L, sd_fs.fs_type == FS_EXFAT ? "exFAT" : "FAT32", TXT_CLR_DEFAULT,
 					sd_fs.free_clst * sd_fs.csize >> SECTORS_TO_MIB_COEFF, (sd_fs.csize > 1) ? (sd_fs.csize >> 1) : 512);
--- a/bootloader/hos/fss.c
+++ b/bootloader/hos/fss.c
@@ -16,6 +16,7 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

+#include <storage/boot_storage.h>
 #include <string.h>

 #include <bdk.h>
@@ -84,7 +85,7 @@ typedef struct _fss_content_t

 static void _fss_update_r2p()
 {
-	u8 *r2p_payload = sd_file_read("atmosphere/reboot_payload.bin", NULL);
+	u8 *r2p_payload = boot_storage_file_read("atmosphere/reboot_payload.bin", NULL);

 	is_ipl_updated(r2p_payload, "atmosphere/reboot_payload.bin", h_cfg.updater2p ? true : false);

--- a/bootloader/hos/hos.c
+++ b/bootloader/hos/hos.c
@@ -410,7 +410,7 @@ int hos_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, bool stock, bool i
 		 */

 		// Use custom TSEC Hovi Keygen firmware.
-		tsec_ctxt->fw = sd_file_read("bootloader/sys/thk.bin", NULL);
+		tsec_ctxt->fw = boot_storage_file_read("bootloader/sys/thk.bin", NULL);
 		if (!tsec_ctxt->fw)
 		{
 			_hos_crit_error("\nFailed to load thk.bin");
--- a/bootloader/hos/hos_config.c
+++ b/bootloader/hos/hos_config.c
@@ -15,6 +15,7 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

+#include <storage/boot_storage.h>
 #include <string.h>

 #include <bdk.h>
@@ -29,7 +30,7 @@

 static int _config_warmboot(launch_ctxt_t *ctxt, const char *value)
 {
-	ctxt->warmboot = sd_file_read(value, &ctxt->warmboot_size);
+	ctxt->warmboot = boot_storage_file_read(value, &ctxt->warmboot_size);
 	if (!ctxt->warmboot)
 		return 0;

@@ -38,7 +39,7 @@ static int _config_warmboot(launch_ctxt_t *ctxt, const char *value)

 static int _config_secmon(launch_ctxt_t *ctxt, const char *value)
 {
-	ctxt->secmon = sd_file_read(value, &ctxt->secmon_size);
+	ctxt->secmon = boot_storage_file_read(value, &ctxt->secmon_size);
 	if (!ctxt->secmon)
 		return 0;

@@ -47,7 +48,7 @@ static int _config_secmon(launch_ctxt_t *ctxt, const char *value)

 static int _config_kernel(launch_ctxt_t *ctxt, const char *value)
 {
-	ctxt->kernel = sd_file_read(value, &ctxt->kernel_size);
+	ctxt->kernel = boot_storage_file_read(value, &ctxt->kernel_size);
 	if (!ctxt->kernel)
 		return 0;

@@ -81,7 +82,7 @@ static int _config_kip1(launch_ctxt_t *ctxt, const char *value)
 				strcpy(dir + dirlen, filelist->name[i]);

 				merge_kip_t *mkip1 = (merge_kip_t *)malloc(sizeof(merge_kip_t));
-				mkip1->kip1 = sd_file_read(dir, &size);
+				mkip1->kip1 = boot_storage_file_read(dir, &size);
 				if (!mkip1->kip1)
 				{
 					free(mkip1);
@@ -103,7 +104,7 @@ static int _config_kip1(launch_ctxt_t *ctxt, const char *value)
 	else
 	{
 		merge_kip_t *mkip1 = (merge_kip_t *)malloc(sizeof(merge_kip_t));
-		mkip1->kip1 = sd_file_read(value, &size);
+		mkip1->kip1 = boot_storage_file_read(value, &size);
 		if (!mkip1->kip1)
 		{
 			free(mkip1);
@@ -265,7 +266,7 @@ static int _config_fss(launch_ctxt_t *ctxt, const char *value)

 static int _config_exo_fatal_payload(launch_ctxt_t *ctxt, const char *value)
 {
-	ctxt->exofatal = sd_file_read(value, &ctxt->exofatal_size);
+	ctxt->exofatal = boot_storage_file_read(value, &ctxt->exofatal_size);
 	if (!ctxt->exofatal)
 		return 0;

--- a/bootloader/hos/pkg1.c
+++ b/bootloader/hos/pkg1.c
@@ -17,6 +17,7 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

+#include <storage/boot_storage.h>
 #include <string.h>
 #include <stdlib.h>

@@ -387,7 +388,7 @@ int pkg1_warmboot_config(void *hos_ctxt, u32 warmboot_base, u32 fuses_fw, u8 kb)
 					_warmboot_filename(path, burnt_fuses);
 					if (!f_stat(path, NULL))
 					{
-						ctxt->warmboot = sd_file_read(path, &ctxt->warmboot_size);
+						ctxt->warmboot = boot_storage_file_read(path, &ctxt->warmboot_size);
 						burnt_fuses = tmp_fuses;
 						break;
 					}
--- a/bootloader/hos/pkg2.c
+++ b/bootloader/hos/pkg2.c
@@ -15,6 +15,7 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

+#include <storage/boot_storage.h>
 #include <string.h>

 #include <bdk.h>
@@ -382,7 +383,7 @@ static int _kipm_inject(const char *kipm_path, char *target_name, pkg2_kip1_info
 	if (!strcmp((char *)ki->kip1->name, target_name))
 	{
 		u32 size = 0;
-		u8 *kipm_data = (u8 *)sd_file_read(kipm_path, &size);
+		u8 *kipm_data = (u8 *)boot_storage_file_read(kipm_path, &size);
 		if (!kipm_data)
 			return 1;

--- a/bootloader/libs/fatfs/ffconf.h
+++ b/bootloader/libs/fatfs/ffconf.h
@@ -166,7 +166,7 @@
 */


-#define FF_FS_RPATH		1
+#define FF_FS_RPATH		2
 /* This option configures support for relative path.
 /
 /   0: Disable relative path and remove related functions.
@@ -183,8 +183,8 @@
 /* Number of volumes (logical drives) to be used. (1-10) */


-#define FF_STR_VOLUME_ID	0
-#define FF_VOLUME_STRS		"sd", "boot1", "boot1_1mb", "gpp"
+#define FF_STR_VOLUME_ID	1
+#define FF_VOLUME_STRS		"sd", "boot1", "boot1_1mb", "emmc"
 /* 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
--- a/bootloader/main.c
+++ b/bootloader/main.c
@@ -612,7 +612,7 @@ out:

 static void _nyx_load_run()
 {
-	u8 *nyx = sd_file_read("bootloader/sys/nyx.bin", NULL);
+	u8 *nyx = boot_storage_file_read("bootloader/sys/nyx.bin", NULL);
 	if (!nyx)
 		return;

@@ -914,11 +914,11 @@ skip_list:

 		// Check if user set custom logo path at the boot entry.
 		if (bootlogoCustomEntry)
-			bitmap = (u8 *)sd_file_read(bootlogoCustomEntry, &fsize);
+			bitmap = (u8 *)boot_storage_file_read(bootlogoCustomEntry, &fsize);

 		// Custom entry bootlogo not found, trying default custom one.
 		if (!bitmap)
-			bitmap = (u8 *)sd_file_read("bootloader/bootlogo.bmp", &fsize);
+			bitmap = (u8 *)boot_storage_file_read("bootloader/bootlogo.bmp", &fsize);

 		if (bitmap)
 		{
--- a/bootloader/storage/emummc.c
+++ b/bootloader/storage/emummc.c
@@ -23,8 +23,6 @@
 #include "../config.h"
 #include <libs/fatfs/ff.h>

-#define DEV_SD_BASE_PATH XSTR(FF_DEV_SD) ":"
-
 extern hekate_config h_cfg;
 emummc_cfg_t emu_cfg = { 0 };

@@ -79,7 +77,8 @@ bool emummc_set_path(char *path)
 	FIL fp;
 	bool found = false;

-	strcpy(emu_cfg.emummc_file_based_path, DEV_SD_BASE_PATH);
+	// strcpy(emu_cfg.emummc_file_based_path, "sd:");
+	strcpy(emu_cfg.emummc_file_based_path, "");
 	strcat(emu_cfg.emummc_file_based_path, path);
 	strcat(emu_cfg.emummc_file_based_path, "/raw_based");

@@ -91,7 +90,8 @@ bool emummc_set_path(char *path)
 	}
 	else
 	{
-		strcpy(emu_cfg.emummc_file_based_path, DEV_SD_BASE_PATH);
+		// strcpy(emu_cfg.emummc_file_based_path, "sd:");
+		strcpy(emu_cfg.emummc_file_based_path, "");
 		strcat(emu_cfg.emummc_file_based_path, path);
 		strcat(emu_cfg.emummc_file_based_path, "/file_based");

@@ -153,7 +153,7 @@ int emummc_storage_init_mmc()

 	if (!emu_cfg.sector)
 	{
-		strcpy(emu_cfg.emummc_file_based_path, DEV_SD_BASE_PATH);
+		strcpy(emu_cfg.emummc_file_based_path, "sd:");
 		strcat(emu_cfg.emummc_file_based_path, emu_cfg.path);
 		strcat(emu_cfg.emummc_file_based_path, "/eMMC");

@@ -275,6 +275,8 @@ int emummc_storage_write(u32 sector, u32 num_sectors, void *buf)
 	}
 }

+
+// TODO: active partition may be changed by boot storage access
 int emummc_storage_set_mmc_partition(u32 partition)
 {
 	emu_cfg.active_part = partition;
@@ -284,7 +286,7 @@ int emummc_storage_set_mmc_partition(u32 partition)
 		return 1;
 	else
 	{
-		strcpy(emu_cfg.emummc_file_based_path, DEV_SD_BASE_PATH);
+		strcpy(emu_cfg.emummc_file_based_path, "sd:");
 		strcat(emu_cfg.emummc_file_based_path, emu_cfg.path);
 		strcat(emu_cfg.emummc_file_based_path, "/eMMC");

--- a/nyx/Makefile
+++ b/nyx/Makefile
@@ -41,7 +41,7 @@ OBJS += $(addprefix $(BUILDDIR)/$(TARGET)/, \
 	bm92t36.o bq24193.o max17050.o max7762x.o max77620-rtc.o regulator_5v.o \
 	touch.o joycon.o tmp451.o fan.o \
 	usbd.o xusbd.o usb_descriptors.o usb_gadget_ums.o usb_gadget_hid.o \
-	hw_init.o \
+	hw_init.o boot_storage.o \
 )

 # Utilities.
--- a/nyx/nyx_gui/config.c
+++ b/nyx/nyx_gui/config.c
@@ -21,6 +21,7 @@

 #include "config.h"
 #include <libs/fatfs/ff.h>
+#include <storage/boot_storage.h>

 extern hekate_config h_cfg;
 extern nyx_config n_cfg;
@@ -187,9 +188,9 @@ int create_config_entry()

 int create_nyx_config_entry(bool force_unmount)
 {
-	bool sd_mounted = sd_get_card_mounted();
+	bool sd_mounted = boot_storage_get_mounted();

-	if (!sd_mount())
+	if (!boot_storage_mount())
 		return 1;

 	char lbuf[64];
@@ -247,7 +248,7 @@ int create_nyx_config_entry(bool force_unmount)
 	f_close(&fp);

 	if (force_unmount || !sd_mounted)
-		sd_unmount();
+		boot_storage_unmount();

 	return 0;
 }
--- a/nyx/nyx_gui/frontend/fe_emmc_tools.c
+++ b/nyx/nyx_gui/frontend/fe_emmc_tools.c
@@ -18,6 +18,7 @@

 //! fix the dram stuff and the pop ups

+#include <storage/boot_storage.h>
 #include <string.h>
 #include <stdlib.h>

@@ -932,11 +933,11 @@ out:
 	free(txt_buf);
 	free(gui->base_path);
 	if (!partial_sd_full_unmount)
-		sd_unmount();
+		boot_storage_unmount();
 	else
 	{
 		partial_sd_full_unmount = false;
-		sd_end();
+		boot_storage_end();
 	}
 }

--- a/nyx/nyx_gui/frontend/fe_emummc_tools.c
+++ b/nyx/nyx_gui/frontend/fe_emummc_tools.c
@@ -18,6 +18,7 @@

 //! fix the dram stuff and the pop ups

+#include <storage/boot_storage.h>
 #include <string.h>
 #include <stdlib.h>

@@ -78,7 +79,7 @@ void load_emummc_cfg(emummc_cfg_t *emu_info)

 void save_emummc_cfg(u32 part_idx, u32 sector_start, const char *path)
 {
-	sd_mount();
+	boot_storage_mount();

 	char lbuf[16];
 	FIL fp;
@@ -381,7 +382,7 @@ void dump_emummc_file(emmc_tool_gui_t *gui)
 	manual_system_maintenance(true);

 	// Get SD Card free space for file based emuMMC.
-	f_getfree("", &sd_fs.free_clst, NULL);
+	f_getfree("sd:", &sd_fs.free_clst, NULL);

 	if (!emmc_initialize(false))
 	{
@@ -392,8 +393,8 @@ void dump_emummc_file(emmc_tool_gui_t *gui)
 	int i = 0;
 	char sdPath[OUT_FILENAME_SZ];
 	// Create Restore folders, if they do not exist.
-	f_mkdir("emuMMC");
-	strcpy(sdPath, "emuMMC/SD");
+	f_mkdir("sd:emuMMC");
+	strcpy(sdPath, "sd:emuMMC/SD");
 	base_len = strlen(sdPath);

 	for (int j = 0; j < 100; j++)
@@ -854,6 +855,9 @@ void dump_emummc_raw(emmc_tool_gui_t *gui, int part_idx, u32 sector_start, u32 r

 	manual_system_maintenance(true);

+	// TODO: check result of boot storage mount
+	boot_storage_mount(); 
+
 	if (!sd_mount())
 	{
 		lv_label_set_text(gui->label_info, "#FFDD00 Failed to init SD!#");
@@ -877,8 +881,8 @@ void dump_emummc_raw(emmc_tool_gui_t *gui, int part_idx, u32 sector_start, u32 r
 	int i = 0;
 	char sdPath[OUT_FILENAME_SZ];
 	// Create Restore folders, if they do not exist.
-	f_mkdir("emuMMC");
-	s_printf(sdPath, "emuMMC/RAW%d", part_idx);
+	f_mkdir("sd:emuMMC");
+	s_printf(sdPath, "sd:emuMMC/RAW%d", part_idx);
 	f_mkdir(sdPath);
 	strcat(sdPath, "/");
 	strcpy(gui->base_path, sdPath);
--- a/nyx/nyx_gui/frontend/gui.c
+++ b/nyx/nyx_gui/frontend/gui.c
@@ -29,6 +29,7 @@

 #include "../config.h"
 #include <libs/fatfs/ff.h>
+#include <storage/boot_storage.h>

 extern hekate_config h_cfg;
 extern nyx_config n_cfg;
@@ -187,7 +188,7 @@ static void _save_log_to_bmp(char *fname)
 	char path[0x80];
 	strcpy(path, "bootloader/screenshots");
 	s_printf(path + strlen(path), "/nyx%s_log.bmp", fname);
-	sd_save_to_file(bitmap, file_size, path);
+	boot_storage_save_to_file(bitmap, file_size, path);

 	free(bitmap);
 	free(fb);
@@ -271,7 +272,7 @@ static void _save_fb_to_bmp()
 	bmp->res_v    = 2834;
 	bmp->rsvd2    = 0;

-	sd_mount();
+	boot_storage_mount();

 	char path[0x80];

@@ -288,7 +289,7 @@ static void _save_fb_to_bmp()
 	s_printf(path + strlen(path), "/nyx%s.bmp", fname);

 	// Save screenshot and log.
-	int res = sd_save_to_file(bitmap, file_size, path);
+	int res = boot_storage_save_to_file(bitmap, file_size, path);
 	if (!res)
 		_save_log_to_bmp(fname);

@@ -651,7 +652,7 @@ void manual_system_maintenance(bool refresh)
 lv_img_dsc_t *bmp_to_lvimg_obj(const char *path)
 {
 	u32 fsize;
-	u8 *bitmap = sd_file_read(path, &fsize);
+	u8 *bitmap = boot_storage_file_read(path, &fsize);
 	if (!bitmap)
 		return NULL;

@@ -1387,8 +1388,9 @@ static lv_res_t _create_mbox_payloads(lv_obj_t *btn)
 	lv_obj_set_size(list, LV_HOR_RES * 3 / 7, LV_VER_RES * 3 / 7);
 	lv_list_set_single_mode(list, true);

-	if (!sd_mount())
+	if (!boot_storage_mount())
 	{
+		// TODO: may not be SD, change error
 		lv_mbox_set_text(mbox, "#FFDD00 Failed to init SD!#");

 		goto out_end;
@@ -1699,7 +1701,7 @@ static lv_res_t _create_window_home_launch(lv_obj_t *btn)
 	u32 curr_btn_idx = 0; // Active buttons.
 	LIST_INIT(ini_sections);

-	if (!sd_mount())
+	if (!boot_storage_mount())
 		goto failed_sd_mount;

 	// Check if we use custom system icons.
@@ -1895,7 +1897,7 @@ failed_sd_mount:
 	if (curr_btn_idx < 1)
 		no_boot_entries = true;

-	sd_unmount();
+	boot_storage_unmount();

 	free(tmp_path);

@@ -2058,7 +2060,7 @@ static lv_res_t _save_options_action(lv_obj_t *btn)

 	int res = 0;

-	if (sd_mount())
+	if (boot_storage_mount())
 		res = !create_config_entry();

 	if (res)
@@ -2070,7 +2072,7 @@ static lv_res_t _save_options_action(lv_obj_t *btn)

 	nyx_options_clear_ini_changes_made();

-	sd_unmount();
+	boot_storage_unmount();

 	return LV_RES_OK;
 }
--- a/nyx/nyx_gui/frontend/gui_emummc_tools.c
+++ b/nyx/nyx_gui/frontend/gui_emummc_tools.c
@@ -22,6 +22,8 @@
 #include "fe_emummc_tools.h"
 #include "gui_tools_partition_manager.h"
 #include <libs/fatfs/ff.h>
+#include <storage/boot_storage.h>
+#include <storage/sd.h>

 extern char *emmcsn_path_impl(char *path, char *sub_dir, char *filename, sdmmc_storage_t *storage);

@@ -407,7 +409,7 @@ static void _migrate_sd_raw_based()
 {
 	mbr_ctx.sector_start = 2;

-	sd_mount();
+	boot_storage_mount();
 	f_mkdir("emuMMC");
 	f_mkdir("emuMMC/ER00");

@@ -419,7 +421,7 @@ static void _migrate_sd_raw_based()

 	save_emummc_cfg(1, mbr_ctx.sector_start, "emuMMC/ER00");
 	_create_emummc_migrated_mbox();
-	sd_unmount();
+	boot_storage_unmount();
 }

 static void _migrate_sd_raw_emummc_based()
@@ -427,6 +429,7 @@ static void _migrate_sd_raw_emummc_based()
 	char *tmp = (char *)malloc(0x80);
 	s_printf(tmp, "emuMMC/RAW%d", mbr_ctx.part_idx);

+	boot_storage_mount();
 	sd_mount();
 	f_mkdir("emuMMC");
 	f_mkdir(tmp);
@@ -447,35 +450,40 @@ static void _migrate_sd_raw_emummc_based()
 	_create_emummc_migrated_mbox();
 	free(tmp);

+	boot_storage_unmount();
 	sd_unmount();
 }

 static void _migrate_sd_file_based()
 {
 	sd_mount();
+	boot_storage_mount();
+	f_mkdir("sd:emuMMC");
+	f_mkdir("sd:emuMMC/EF00");
+
+	f_rename("sd:Emutendo", "sd:emuMMC/EF00/Nintendo");
+	FIL fp;
+
 	f_mkdir("emuMMC");
 	f_mkdir("emuMMC/EF00");
-
-	f_rename("Emutendo", "emuMMC/EF00/Nintendo");
-	FIL fp;
 	f_open(&fp, "emuMMC/EF00/file_based", FA_CREATE_ALWAYS | FA_WRITE);
 	f_close(&fp);

 	char *path = (char *)malloc(128);
 	char *path2 = (char *)malloc(128);
-	s_printf(path, "%c%c%c%c%s", 's', 'x', 'o', 's', "/emunand");
-	f_rename(path, "emuMMC/EF00/eMMC");
+	s_printf(path, "sd:%c%c%c%c%s", 's', 'x', 'o', 's', "/emunand");
+	f_rename(path, "sd:emuMMC/EF00/eMMC");

 	for (int i = 0; i < 2; i++)
 	{
-		s_printf(path, "emuMMC/EF00/eMMC/boot%d.bin", i);
-		s_printf(path2, "emuMMC/EF00/eMMC/BOOT%d", i);
+		s_printf(path, "sd:emuMMC/EF00/eMMC/boot%d.bin", i);
+		s_printf(path2, "sd:emuMMC/EF00/eMMC/BOOT%d", i);
 		f_rename(path, path2);
 	}
 	for (int i = 0; i < 8; i++)
 	{
-		s_printf(path, "emuMMC/EF00/eMMC/full.%02d.bin", i);
-		s_printf(path2, "emuMMC/EF00/eMMC/%02d", i);
+		s_printf(path, "sd:emuMMC/EF00/eMMC/full.%02d.bin", i);
+		s_printf(path2, "sd:emuMMC/EF00/eMMC/%02d", i);
 		f_rename(path, path2);
 	}

@@ -485,6 +493,7 @@ static void _migrate_sd_file_based()
 	save_emummc_cfg(0, 0, "emuMMC/EF00");
 	_create_emummc_migrated_mbox();
 	sd_unmount();
+	boot_storage_unmount();
 }

 static void _migrate_sd_backup_file_based()
@@ -495,9 +504,11 @@ static void _migrate_sd_backup_file_based()
 	char *backup_file_path = (char *)malloc(128);

 	sd_mount();
+	boot_storage_mount();
+	f_mkdir("sd:emuMMC");
 	f_mkdir("emuMMC");

-	strcpy(emu_path, "emuMMC/BK");
+	strcpy(emu_path, "sd:emuMMC/BK");
 	u32 base_len = strlen(emu_path);

 	for (int j = 0; j < 100; j++)
@@ -509,13 +520,14 @@ static void _migrate_sd_backup_file_based()
 	base_len = strlen(emu_path);

 	f_mkdir(emu_path);
+	f_mkdir(emu_path + 3);
 	strcat(emu_path, "/eMMC");
 	f_mkdir(emu_path);

 	FIL fp;
 	// Create file based flag.
 	strcpy(emu_path + base_len, "/file_based");
-	f_open(&fp, "emuMMC/BK00/file_based", FA_CREATE_ALWAYS | FA_WRITE);
+	f_open(&fp, (emu_path + 3), FA_CREATE_ALWAYS | FA_WRITE);
 	f_close(&fp);

 	if (!emummc_backup)
@@ -523,6 +535,7 @@ static void _migrate_sd_backup_file_based()
 	else
 		emmcsn_path_impl(backup_path, "/emummc", "", NULL);

+	// TODO: f_rename wont work if src/dst are on different drives 
 	// Move BOOT0.
 	s_printf(backup_file_path, "%s/BOOT0", backup_path);
 	strcpy(emu_path + base_len, "/eMMC/BOOT0");
@@ -565,6 +578,7 @@ static void _migrate_sd_backup_file_based()
 	save_emummc_cfg(0, 0, "emuMMC/BK00");
 	_create_emummc_migrated_mbox();
 	sd_unmount();
+	boot_storage_unmount();
 }

 static lv_res_t _create_emummc_mig1_action(lv_obj_t * btns, const char * txt)
@@ -826,7 +840,7 @@ static lv_res_t _create_mbox_emummc_migrate(lv_obj_t *btn)
 			em_raw = true;
 	}

-	s_printf(path_buf, "%c%c%c%c%s", 's', 'x', 'o','s', "/emunand/boot0.bin");
+	s_printf(path_buf, "sd:%c%c%c%c%s", 's', 'x', 'o','s', "/emunand/boot0.bin");

 	if (!f_stat(path_buf, NULL))
 		em_file = true;
@@ -970,6 +984,7 @@ static lv_res_t _save_file_emummc_cfg_action(lv_obj_t *btn)
 	save_emummc_cfg(0, 0, lv_list_get_btn_text(btn));
 	_create_emummc_saved_mbox();
 	sd_unmount();
+	boot_storage_unmount();

 	return LV_RES_INV;
 }
@@ -1203,12 +1218,12 @@ lv_res_t create_win_emummc_tools(lv_obj_t *btn)
 	emummc_manage_window = win;
 	emummc_tools = (void *)create_win_emummc_tools;

-	sd_mount();
+	boot_storage_mount();

 	emummc_cfg_t emu_info;
 	load_emummc_cfg(&emu_info);

-	sd_unmount();
+	boot_storage_unmount();

 	static lv_style_t h_style;
 	lv_style_copy(&h_style, &lv_style_transp);
--- a/nyx/nyx_gui/frontend/gui_info.c
+++ b/nyx/nyx_gui/frontend/gui_info.c
@@ -23,6 +23,7 @@
 #include "../hos/hos.h"
 #include "../hos/pkg1.h"
 #include <libs/fatfs/ff.h>
+#include <storage/boot_storage.h>

 #define SECTORS_TO_MIB_COEFF 11

@@ -72,15 +73,15 @@ static lv_res_t _cal0_dump_window_action(lv_obj_t *btns, const char * txt)

 	if (btn_idx == 1)
 	{
-		int error = !sd_mount();
+		int error = !boot_storage_mount();

 		if (!error)
 		{
 			char path[64];
 			emmcsn_path_impl(path, "/dumps", "cal0.bin", NULL);
-			error = sd_save_to_file((u8 *)cal0_buf, SZ_32K, path);
+			error = boot_storage_save_to_file((u8 *)cal0_buf, SZ_32K, path);

-			sd_unmount();
+			boot_storage_unmount();
 		}

 		_create_window_dump_done(error, "cal0.bin");
@@ -92,7 +93,7 @@ static lv_res_t _cal0_dump_window_action(lv_obj_t *btns, const char * txt)

 static lv_res_t _battery_dump_window_action(lv_obj_t * btn)
 {
-	int error = !sd_mount();
+	int error = !boot_storage_mount();

 	if (!error)
 	{
@@ -102,9 +103,9 @@ static lv_res_t _battery_dump_window_action(lv_obj_t * btn)
 		max17050_dump_regs(buf);

 		emmcsn_path_impl(path, "/dumps", "fuel_gauge.bin", NULL);
-		error = sd_save_to_file((u8 *)buf, 0x200, path);
+		error = boot_storage_save_to_file((u8 *)buf, 0x200, path);

-		sd_unmount();
+		boot_storage_unmount();
 	}

 	_create_window_dump_done(error, "fuel_gauge.bin");
@@ -116,7 +117,7 @@ static lv_res_t _bootrom_dump_window_action(lv_obj_t * btn)
 {
 	static const u32 BOOTROM_SIZE = 0x18000;

-	int error = !sd_mount();
+	int error = !boot_storage_mount();
 	if (!error)
 	{
 		char path[64];
@@ -126,13 +127,13 @@ static lv_res_t _bootrom_dump_window_action(lv_obj_t * btn)
 		if (!error)
 		{
 			emmcsn_path_impl(path, "/dumps", "evp_thunks.bin", NULL);
-			error = sd_save_to_file((u8 *)iram_evp_thunks, iram_evp_thunks_len, path);
+			error = boot_storage_save_to_file((u8 *)iram_evp_thunks, iram_evp_thunks_len, path);
 		}
 		else
 			error = 255;

 		emmcsn_path_impl(path, "/dumps", "bootrom_patched.bin", NULL);
-		int res = sd_save_to_file((u8 *)IROM_BASE, BOOTROM_SIZE, path);
+		int res = boot_storage_save_to_file((u8 *)IROM_BASE, BOOTROM_SIZE, path);
 		if (!error)
 			error = res;

@@ -141,13 +142,13 @@ static lv_res_t _bootrom_dump_window_action(lv_obj_t * btn)
 		memset((void*)IPATCH_BASE, 0, sizeof(ipatch_cam)); // Zeroing valid entries is enough but zero everything.

 		emmcsn_path_impl(path, "/dumps", "bootrom_unpatched.bin", NULL);
-		res = sd_save_to_file((u8 *)IROM_BASE, BOOTROM_SIZE, path);
+		res = boot_storage_save_to_file((u8 *)IROM_BASE, BOOTROM_SIZE, path);
 		if (!error)
 			error = res;

 		memcpy((void*)IPATCH_BASE, ipatch_cam, sizeof(ipatch_cam));

-		sd_unmount();
+		boot_storage_unmount();
 	}
 	_create_window_dump_done(error, "evp_thunks.bin, bootrom_patched.bin, bootrom_unpatched.bin");

@@ -158,22 +159,22 @@ static lv_res_t _fuse_dump_window_action(lv_obj_t * btn)
 {
 	const u32 fuse_array_size = (h_cfg.t210b01 ? FUSE_ARRAY_WORDS_NUM_B01 : FUSE_ARRAY_WORDS_NUM) * sizeof(u32);

-	int error = !sd_mount();
+	int error = !boot_storage_mount();
 	if (!error)
 	{
 		char path[128];
 		if (!h_cfg.t210b01)
 		{
 			emmcsn_path_impl(path, "/dumps", "fuse_cached_t210.bin", NULL);
-			error = sd_save_to_file((u8 *)0x7000F900, 0x300, path);
+			error = boot_storage_save_to_file((u8 *)0x7000F900, 0x300, path);
 		}
 		else
 		{
 			emmcsn_path_impl(path, "/dumps", "fuse_cached_t210b01_x898.bin", NULL);
-			error = sd_save_to_file((u8 *)0x7000F898, 0x68, path);
+			error = boot_storage_save_to_file((u8 *)0x7000F898, 0x68, path);
 			emmcsn_path_impl(path, "/dumps", "fuse_cached_t210b01_x900.bin", NULL);
 			if (!error)
-				error = sd_save_to_file((u8 *)0x7000F900, 0x300, path);
+				error = boot_storage_save_to_file((u8 *)0x7000F900, 0x300, path);
 		}

 		u32 words[FUSE_ARRAY_WORDS_NUM_B01];
@@ -182,11 +183,11 @@ static lv_res_t _fuse_dump_window_action(lv_obj_t * btn)
 			emmcsn_path_impl(path, "/dumps", "fuse_array_raw_t210.bin", NULL);
 		else
 			emmcsn_path_impl(path, "/dumps", "fuse_array_raw_t210b01.bin", NULL);
-		int res = sd_save_to_file((u8 *)words, fuse_array_size, path);
+		int res = boot_storage_save_to_file((u8 *)words, fuse_array_size, path);
 		if (!error)
 			error = res;

-		sd_unmount();
+		boot_storage_unmount();
 	}

 	if (!h_cfg.t210b01)
@@ -203,15 +204,15 @@ static lv_res_t _kfuse_dump_window_action(lv_obj_t * btn)
 	int error = !kfuse_read(buf);

 	if (!error)
-		error = !sd_mount();
+		error = !boot_storage_mount();

 	if (!error)
 	{
 		char path[64];
 		emmcsn_path_impl(path, "/dumps", "kfuses.bin", NULL);
-		error = sd_save_to_file((u8 *)buf, KFUSE_NUM_WORDS * 4, path);
+		error = boot_storage_save_to_file((u8 *)buf, KFUSE_NUM_WORDS * 4, path);

-		sd_unmount();
+		boot_storage_unmount();
 	}

 	_create_window_dump_done(error, "kfuses.bin");
@@ -241,7 +242,7 @@ static lv_res_t _create_mbox_cal0(lv_obj_t *btn)
 	lv_label_set_style(lb_desc, &monospace_text);
 	lv_obj_set_width(lb_desc, LV_HOR_RES / 9 * 4);

-	sd_mount();
+	boot_storage_mount();

 	// Dump CAL0.
 	int cal0_res = hos_dump_cal0();
@@ -341,7 +342,7 @@ static lv_res_t _create_mbox_cal0(lv_obj_t *btn)

 out:
 	free(txt_buf);
-	sd_unmount();
+	boot_storage_unmount();

 	lv_mbox_add_btns(mbox, mbox_btn_map, _cal0_dump_window_action);

@@ -2432,7 +2433,7 @@ static bool _lockpick_exists_check()

 	bool found = false;
 	void *buf = malloc(0x200);
-	if (sd_mount())
+	if (boot_storage_mount())
 	{
 		FIL fp;
 		if (f_open(&fp, "bootloader/payloads/Lockpick_RCM.bin", FA_READ))
@@ -2457,7 +2458,7 @@ static bool _lockpick_exists_check()

 out:
 	free(buf);
-	sd_unmount();
+	boot_storage_unmount();

 	return found;
 }
--- a/nyx/nyx_gui/frontend/gui_options.c
+++ b/nyx/nyx_gui/frontend/gui_options.c
@@ -23,6 +23,7 @@
 #include "../config.h"
 #include <libs/lvgl/lv_themes/lv_theme_hekate.h>
 #include <libs/lvgl/lvgl.h>
+#include <storage/boot_storage.h>

 #define CLOCK_MIN_YEAR 2024
 #define CLOCK_MAX_YEAR (CLOCK_MIN_YEAR + 10)
@@ -227,7 +228,7 @@ static void _create_autoboot_window()
 	lv_obj_set_size(list_main, LV_HOR_RES * 4 / 10, LV_VER_RES * 4 / 7);
 	lv_list_set_single_mode(list_main, true);

-	sd_mount();
+	boot_storage_mount();

 	// Parse hekate main configuration.
 	LIST_INIT(ini_sections);
@@ -288,7 +289,7 @@ static void _create_autoboot_window()
 		ini_free(&ini_list_sections);
 	}

-	sd_unmount();
+	boot_storage_unmount();
 }

 static lv_res_t _autoboot_hide_delay_action(lv_obj_t *btn)
@@ -882,7 +883,7 @@ static lv_res_t _joycon_info_dump_action(lv_obj_t * btn)
 	jc_pad->bt_conn_r.type = is_r_hos ? jc_pad->bt_conn_r.type : 0;

 save_data:
-	error = !sd_mount() ? 5 : 0;
+	error = !boot_storage_mount() ? 5 : 0;

 	if (!error)
 	{
@@ -896,7 +897,8 @@ save_data:
 			memcpy(data, &jc_pad->bt_conn_l, sizeof(jc_bt_conn_t));
 			memcpy(data + sizeof(jc_bt_conn_t), &jc_pad->bt_conn_r, sizeof(jc_bt_conn_t));

-			error = sd_save_to_file((u8 *)data, sizeof(jc_bt_conn_t) * 2, "switchroot/joycon_mac.bin") ? 4 : 0;
+			// TODO: JC dump should probably go to sd?
+			error = boot_storage_save_to_file((u8 *)data, sizeof(jc_bt_conn_t) * 2, "switchroot/joycon_mac.bin") ? 4 : 0;

 			// Save readable dump.
 			jc_bt_conn_t *bt = &jc_pad->bt_conn_l;
@@ -1024,7 +1026,7 @@ save_data:
 			}
 		}

-		sd_unmount();
+		boot_storage_unmount();
 	}

 disabled_or_cal0_issue:;
--- a/nyx/nyx_gui/frontend/gui_tools.c
+++ b/nyx/nyx_gui/frontend/gui_tools.c
@@ -15,6 +15,10 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

+#include <fatfs_cfg.h>
+#include <libs/lvgl/lv_core/lv_obj.h>
+#include <libs/lvgl/lv_objx/lv_btn.h>
+#include <libs/lvgl/lv_objx/lv_label.h>
 #include <stdlib.h>

 #include <bdk.h>
@@ -29,6 +33,9 @@
 #include "../hos/pkg2.h"
 #include "../hos/hos.h"
 #include <libs/fatfs/ff.h>
+#include <storage/boot_storage.h>
+#include <storage/sdmmc.h>
+#include <string.h>

 extern volatile boot_cfg_t *b_cfg;
 extern hekate_config h_cfg;
@@ -441,6 +448,45 @@ static lv_res_t _action_ums_emmc_boot0(lv_obj_t *btn)
 	return LV_RES_OK;
 }

+static lv_res_t _action_ums_boot_storage(lv_obj_t *btn){
+	if(!nyx_emmc_check_battery_enough()){
+		return LV_RES_OK;
+	}
+
+	boot_storage_mount();
+
+	u8 drive = boot_storage_get_drive();
+
+	usb_ctxt_t usbs;
+	usbs.type = drive == DRIVE_SD ? MMC_SD : MMC_EMMC;
+	switch(drive){
+	case DRIVE_EMMC:
+		usbs.partition = EMMC_GPP + 1;
+		break;
+	case DRIVE_BOOT1:
+	case DRIVE_BOOT1_1MB:
+		usbs.partition = EMMC_BOOT1 + 1;
+		break;
+	case DRIVE_SD:
+		usbs.partition = 0;
+		break;
+	default:
+		boot_storage_unmount();
+		return LV_RES_OK;
+	}
+	usbs.offset = drive == DRIVE_BOOT1_1MB ? (0x100000 / 0x200) : 0;
+	usbs.sectors = 0;
+	usbs.ro = false;
+	usbs.system_maintenance = &manual_system_maintenance;
+	usbs.set_text = &usb_gadget_set_text;
+
+	_create_mbox_ums(&usbs);
+
+	boot_storage_unmount();
+
+	return LV_RES_OK;
+}
+
 static lv_res_t _action_ums_emmc_boot1(lv_obj_t *btn)
 {
 	if (!nyx_emmc_check_battery_enough())
@@ -487,6 +533,7 @@ static lv_res_t _action_ums_emuemmc_boot0(lv_obj_t *btn)
 	usb_ctxt_t usbs;

 	int error = !sd_mount();
+	error &= boot_storage_mount();
 	if (!error)
 	{
 		emummc_cfg_t emu_info;
@@ -509,6 +556,7 @@ static lv_res_t _action_ums_emuemmc_boot0(lv_obj_t *btn)
 			free(emu_info.nintendo_path);
 	}
 	sd_unmount();
+	boot_storage_unmount();

 	if (error)
 		_create_mbox_ums_error(error);
@@ -534,6 +582,7 @@ static lv_res_t _action_ums_emuemmc_boot1(lv_obj_t *btn)
 	usb_ctxt_t usbs;

 	int error = !sd_mount();
+	error &= boot_storage_mount();
 	if (!error)
 	{
 		emummc_cfg_t emu_info;
@@ -556,6 +605,7 @@ static lv_res_t _action_ums_emuemmc_boot1(lv_obj_t *btn)
 			free(emu_info.nintendo_path);
 	}
 	sd_unmount();
+	boot_storage_unmount();

 	if (error)
 		_create_mbox_ums_error(error);
@@ -581,6 +631,7 @@ static lv_res_t _action_ums_emuemmc_gpp(lv_obj_t *btn)
 	usb_ctxt_t usbs;

 	int error = !sd_mount();
+	error &= boot_storage_mount();
 	if (!error)
 	{
 		emummc_cfg_t emu_info;
@@ -613,6 +664,7 @@ static lv_res_t _action_ums_emuemmc_gpp(lv_obj_t *btn)
 			free(emu_info.nintendo_path);
 	}
 	sd_unmount();
+	boot_storage_unmount();

 	if (error)
 		_create_mbox_ums_error(error);
@@ -718,12 +770,26 @@ static lv_res_t _create_window_usb_tools(lv_obj_t *parent)
 	lv_obj_t *label_txt2 = lv_label_create(h1, NULL);
 	lv_label_set_recolor(label_txt2, true);
 	lv_label_set_static_text(label_txt2,
-		"Allows you to mount the SD Card to a PC/Phone.\n"
+		"Allows you to mount the SD Card or boot storage to a PC/Phone.\n"
 		"#C7EA46 All operating systems are supported. Access is# #FF8000 Read/Write.#");

 	lv_obj_set_style(label_txt2, &hint_small_style);
 	lv_obj_align(label_txt2, btn1, LV_ALIGN_OUT_BOTTOM_LEFT, 0, LV_DPI / 3);

+	// Create Boot Storage UMS button
+	lv_obj_t *btn_boot_strg = lv_btn_create(h1, btn1);
+	label_btn = lv_label_create(btn_boot_strg, NULL);
+	lv_label_set_text(label_btn, SYMBOL_SD " Boot Storage");
+	lv_obj_align(btn_boot_strg, btn1, LV_ALIGN_OUT_RIGHT_MID, LV_DPI / 10, 0);
+	lv_btn_set_action(btn_boot_strg, LV_BTN_ACTION_CLICK, _action_ums_boot_storage);
+	
+	if(!boot_storage_mount()){
+		lv_obj_set_click(btn_boot_strg, false);
+		lv_btn_set_state(btn_boot_strg, LV_BTN_STATE_INA);
+	}
+	boot_storage_unmount();
+
+
 	// Create RAW GPP button.
 	lv_obj_t *btn_gpp = lv_btn_create(h1, btn1);
 	label_btn = lv_label_create(btn_gpp, NULL);
@@ -927,6 +993,8 @@ out:
 	return res;
 }

+
+// TODO: emusd
 static lv_res_t _create_window_unset_abit_tool(lv_obj_t *btn)
 {
 	lv_obj_t *win = nyx_create_standard_window(SYMBOL_COPY" Fix Archive Bit (All folders)");
@@ -957,7 +1025,8 @@ static lv_res_t _create_window_unset_abit_tool(lv_obj_t *btn)
 		lv_obj_t * lb_val = lv_label_create(val, lb_desc);

 		char *path = malloc(0x1000);
-		path[0] = 0;
+		strcpy(path, "sd:");
+		// path[0] = 0;

 		lv_label_set_text(lb_val, "");
 		lv_obj_set_width(lb_val, lv_obj_get_width(val));
@@ -1135,8 +1204,9 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
 	lv_label_set_recolor(lb_desc, true);
 	lv_obj_set_width(lb_desc, lv_obj_get_width(desc));

-	if (!sd_mount())
+	if (!boot_storage_mount())
 	{
+		// may not be sd, fix error
 		lv_label_set_text(lb_desc, "#FFDD00 Failed to init SD!#");

 		goto out_end;
@@ -1180,7 +1250,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)

 	// Dump package1 in its encrypted state.
 	emmcsn_path_impl(path, "/pkg1", "pkg1_enc.bin", &emmc_storage);
-	bool res = sd_save_to_file(pkg1, BOOTLOADER_SIZE, path);
+	bool res = boot_storage_save_to_file(pkg1, BOOTLOADER_SIZE, path);

 	// Exit if unknown.
 	if (!pkg1_id)
@@ -1245,7 +1315,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)

 		// Dump package1.1.
 		emmcsn_path_impl(path, "/pkg1", "pkg1_decr.bin", &emmc_storage);
-		if (sd_save_to_file(pkg1, SZ_256K, path))
+		if (boot_storage_save_to_file(pkg1, SZ_256K, path))
 			goto out_free;
 		strcat(txt_buf, "pkg1 dumped to pkg1_decr.bin\n");
 		lv_label_set_text(lb_desc, txt_buf);
@@ -1253,7 +1323,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)

 		// Dump nxbootloader.
 		emmcsn_path_impl(path, "/pkg1", "nxloader.bin", &emmc_storage);
-		if (sd_save_to_file(loader, hdr_pk11->ldr_size, path))
+		if (boot_storage_save_to_file(loader, hdr_pk11->ldr_size, path))
 			goto out_free;
 		strcat(txt_buf, "NX Bootloader dumped to nxloader.bin\n");
 		lv_label_set_text(lb_desc, txt_buf);
@@ -1261,7 +1331,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)

 		// Dump secmon.
 		emmcsn_path_impl(path, "/pkg1", "secmon.bin", &emmc_storage);
-		if (sd_save_to_file(secmon, hdr_pk11->sm_size, path))
+		if (boot_storage_save_to_file(secmon, hdr_pk11->sm_size, path))
 			goto out_free;
 		strcat(txt_buf, "Secure Monitor dumped to secmon.bin\n");
 		lv_label_set_text(lb_desc, txt_buf);
@@ -1269,7 +1339,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)

 		// Dump warmboot.
 		emmcsn_path_impl(path, "/pkg1", "warmboot.bin", &emmc_storage);
-		if (sd_save_to_file(warmboot, hdr_pk11->wb_size, path))
+		if (boot_storage_save_to_file(warmboot, hdr_pk11->wb_size, path))
 			goto out_free;
 		// If T210B01, save a copy of decrypted warmboot binary also.
 		if (h_cfg.t210b01)
@@ -1279,7 +1349,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
 			se_aes_crypt_cbc(13, DECRYPT, warmboot + 0x330, hdr_pk11->wb_size - 0x330,
 				warmboot + 0x330, hdr_pk11->wb_size - 0x330);
 			emmcsn_path_impl(path, "/pkg1", "warmboot_dec.bin", &emmc_storage);
-			if (sd_save_to_file(warmboot, hdr_pk11->wb_size, path))
+			if (boot_storage_save_to_file(warmboot, hdr_pk11->wb_size, path))
 				goto out_free;
 		}
 		strcat(txt_buf, "Warmboot dumped to warmboot.bin\n\n");
@@ -1311,7 +1381,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)

 	// Dump encrypted package2.
 	emmcsn_path_impl(path, "/pkg2", "pkg2_encr.bin", &emmc_storage);
-	res = sd_save_to_file(pkg2, pkg2_size, path);
+	res = boot_storage_save_to_file(pkg2, pkg2_size, path);

 	// Decrypt package2 and parse KIP1 blobs in INI1 section.
 	pkg2_hdr_t *pkg2_hdr = pkg2_decrypt(pkg2, kb);
@@ -1345,7 +1415,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)

 	// Dump pkg2.1.
 	emmcsn_path_impl(path, "/pkg2", "pkg2_decr.bin", &emmc_storage);
-	if (sd_save_to_file(pkg2, pkg2_hdr->sec_size[PKG2_SEC_KERNEL] + pkg2_hdr->sec_size[PKG2_SEC_INI1], path))
+	if (boot_storage_save_to_file(pkg2, pkg2_hdr->sec_size[PKG2_SEC_KERNEL] + pkg2_hdr->sec_size[PKG2_SEC_INI1], path))
 		goto out;
 	strcat(txt_buf, "pkg2 dumped to pkg2_decr.bin\n");
 	lv_label_set_text(lb_desc, txt_buf);
@@ -1353,7 +1423,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)

 	// Dump kernel.
 	emmcsn_path_impl(path, "/pkg2", "kernel.bin", &emmc_storage);
-	if (sd_save_to_file(pkg2_hdr->data, pkg2_hdr->sec_size[PKG2_SEC_KERNEL], path))
+	if (boot_storage_save_to_file(pkg2_hdr->data, pkg2_hdr->sec_size[PKG2_SEC_KERNEL], path))
 		goto out;
 	strcat(txt_buf, "Kernel dumped to kernel.bin\n");
 	lv_label_set_text(lb_desc, txt_buf);
@@ -1377,7 +1447,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)

 	pkg2_ini1_t *ini1 = (pkg2_ini1_t *)(pkg2_hdr->data + ini1_off);
 	emmcsn_path_impl(path, "/pkg2", "ini1.bin", &emmc_storage);
-	if (sd_save_to_file(ini1, ini1_size, path))
+	if (boot_storage_save_to_file(ini1, ini1_size, path))
 		goto out;

 	strcat(txt_buf, "INI1 dumped to ini1.bin\n\n");
@@ -1404,7 +1474,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
 		}

 		emmcsn_path_impl(path, "/pkg2/ini1", filename, &emmc_storage);
-		if (sd_save_to_file(kip1, kip1_size, path))
+		if (boot_storage_save_to_file(kip1, kip1_size, path))
 		{
 			free(kip_buffer);
 			goto out;
@@ -1429,6 +1499,7 @@ out_free:
 	free(txt_buf);
 	emmc_end();
 	sd_unmount();
+	boot_storage_unmount();

 	if (kb >= HOS_KB_VERSION_620)
 		se_aes_key_clear(8);
--- a/nyx/nyx_gui/frontend/gui_tools_partition_manager.c
+++ b/nyx/nyx_gui/frontend/gui_tools_partition_manager.c
@@ -14,6 +14,7 @@
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

+#include <libs/fatfs/ff.h>
 #include <stdlib.h>

 #include <bdk.h>
@@ -23,6 +24,8 @@
 #include "gui_tools_partition_manager.h"
 #include <libs/fatfs/diskio.h>
 #include <libs/lvgl/lvgl.h>
+#include <storage/boot_storage.h>
+#include <storage/sd.h>

 #define AU_ALIGN_SECTORS 0x8000 // 16MB.
 #define AU_ALIGN_BYTES   (AU_ALIGN_SECTORS * SD_BLOCKSIZE)
@@ -536,7 +539,7 @@ static lv_res_t _action_delete_linux_installer_files(lv_obj_t * btns, const char
 	{
 		char path[128];

-		sd_mount();
+		boot_storage_mount();

 		strcpy(path, "switchroot/install/l4t.");

@@ -562,7 +565,7 @@ static lv_res_t _action_delete_linux_installer_files(lv_obj_t * btns, const char
 			idx++;
 		}

-		sd_unmount();
+		boot_storage_unmount();
 	}

 	return LV_RES_INV;
@@ -616,6 +619,7 @@ static lv_res_t _action_flash_linux_data(lv_obj_t * btns, const char * txt)
 	lv_obj_align(mbox, NULL, LV_ALIGN_CENTER, 0, 0);
 	lv_obj_set_top(mbox, true);

+	boot_storage_mount();
 	sd_mount();

 	int res = 0;
@@ -761,6 +765,7 @@ exit:
 	lv_obj_align(mbox, NULL, LV_ALIGN_CENTER, 0, 0);

 	sd_unmount();
+	boot_storage_unmount();

 	return LV_RES_INV;
 }
@@ -876,7 +881,7 @@ static lv_res_t _action_check_flash_linux(lv_obj_t *btn)

 	manual_system_maintenance(true);

-	sd_mount();
+	boot_storage_mount();

 	// Check if L4T image exists.
 	strcpy(path, "switchroot/install/l4t.00");
@@ -964,7 +969,7 @@ error:
 exit:
 	lv_obj_align(mbox, NULL, LV_ALIGN_CENTER, 0, 0);

-	sd_unmount();
+	boot_storage_unmount();

 	return LV_RES_OK;
 }
@@ -1038,6 +1043,7 @@ static lv_res_t _action_flash_android_data(lv_obj_t * btns, const char * txt)
 	manual_system_maintenance(true);

 	sd_mount();
+	boot_storage_mount();

 	// Read main GPT.
 	sdmmc_storage_read(&sd_storage, 1, sizeof(gpt_t) >> 9, gpt);
@@ -1078,7 +1084,7 @@ static lv_res_t _action_flash_android_data(lv_obj_t * btns, const char * txt)
 	if (offset_sct && size_sct)
 	{
 		u32 file_size = 0;
-		u8 *buf = sd_file_read(path, &file_size);
+		u8 *buf = boot_storage_file_read(path, &file_size);

 		if (file_size % 0x200)
 		{
@@ -1142,7 +1148,7 @@ boot_img_not_found:
 	if (offset_sct && size_sct)
 	{
 		u32 file_size = 0;
-		u8 *buf = sd_file_read(path, &file_size);
+		u8 *buf = boot_storage_file_read(path, &file_size);

 		if (file_size % 0x200)
 		{
@@ -1204,7 +1210,7 @@ recovery_not_found:
 	if (offset_sct && size_sct)
 	{
 		u32 file_size = 0;
-		u8 *buf = sd_file_read(path, &file_size);
+		u8 *buf = boot_storage_file_read(path, &file_size);

 		if (file_size % 0x200)
 		{
@@ -1266,6 +1272,7 @@ error:
 	free(gpt);

 	sd_unmount();
+	boot_storage_unmount();

 	return LV_RES_INV;
 }
@@ -1419,6 +1426,9 @@ static int _backup_and_restore_files(bool backup, lv_obj_t **labels)

 static lv_res_t _create_mbox_start_partitioning(lv_obj_t *btn)
 {
+	char cwd[0x200];
+	f_getcwd(cwd, sizeof(cwd));
+
 	lv_obj_t *dark_bg = lv_obj_create(lv_scr_act(), NULL);
 	lv_obj_set_style(dark_bg, &mbox_darken);
 	lv_obj_set_size(dark_bg, LV_HOR_RES, LV_VER_RES);
@@ -1522,7 +1532,7 @@ static lv_res_t _create_mbox_start_partitioning(lv_obj_t *btn)
 		goto error;
 	}

-	f_mount(NULL, "sd:", 1); // Unmount SD card.
+	sd_unmount();

 	lv_label_set_text(lbl_status, "#00DDFF Status:# Formatting FAT32 partition...");
 	lv_label_set_text(lbl_paths[0], "Please wait...");
@@ -1593,7 +1603,7 @@ mkfs_no_error:
 	free(buf);

 	// Remount sd card as it was unmounted from formatting it.
-	f_mount(&sd_fs, "sd:", 1); // Mount SD card.
+	sd_mount();

 	lv_label_set_text(lbl_status, "#00DDFF Status:# Restoring files...");
 	manual_system_maintenance(true);
@@ -1610,10 +1620,10 @@ mkfs_no_error:
 	}

 	f_mount(NULL, "ram:", 1); // Unmount ramdisk.
-	f_chdrive("sd:");
+	f_chdrive(cwd);

 	// Set Volume label.
-	f_setlabel("0:SWITCH SD");
+	f_setlabel("sd:SWITCH SD");

 	lv_label_set_text(lbl_status, "#00DDFF Status:# Flashing partition table...");
 	lv_label_set_text(lbl_paths[0], "Please wait...");
@@ -1665,7 +1675,7 @@ mkfs_no_error:
 	goto out;

 error:
-	f_chdrive("sd:");
+	f_chdrive(cwd);

 out:
 	lv_obj_del(lbl_paths[0]);
--- a/nyx/nyx_gui/hos/hos.c
+++ b/nyx/nyx_gui/hos/hos.c
@@ -23,6 +23,7 @@
 #include <bdk.h>

 #include "hos.h"
+#include <storage/boot_storage.h>
 #include "../config.h"

 extern hekate_config h_cfg;
@@ -393,7 +394,7 @@ int hos_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
 		 */

 		// Use custom TSEC Hovi Keygen firmware.
-		tsec_ctxt->fw = sd_file_read("bootloader/sys/thk.bin", NULL);
+		tsec_ctxt->fw = boot_storage_file_read("bootloader/sys/thk.bin", NULL);
 		if (!tsec_ctxt->fw)
 		{
 			EPRINTF("\nFailed to load thk.bin");
--- a/nyx/nyx_gui/libs/fatfs/diskio.c
+++ b/nyx/nyx_gui/libs/fatfs/diskio.c
@@ -9,16 +9,44 @@
 /* storage control modules to the FatFs module with a defined API.       */
 /*-----------------------------------------------------------------------*/

+#include <storage/emmc.h>
 #include <string.h>

 #include <bdk.h>

 #include <libs/fatfs/diskio.h>	/* FatFs lower layer API */
+#include <fatfs_cfg.h>

 static u32 sd_rsvd_sectors = 0;
 static u32 ramdisk_sectors = 0;
 static u32 emummc_sectors = 0;

+static bool ensure_partition(BYTE pdrv){
+	u8 part;
+	switch(pdrv){
+	case DRIVE_BOOT1:
+	case DRIVE_BOOT1_1MB:
+		part = EMMC_BOOT1;
+		break;
+	case DRIVE_EMMC:
+		part = EMMC_GPP;
+		break;
+	case DRIVE_SD:
+	case DRIVE_RAM:
+	case DRIVE_BIS:
+	case DRIVE_EMU:
+		return true;
+	default:
+		return false;
+	}
+
+	if(emmc_storage.partition != part){
+		return emmc_set_partition(part);
+	}
+
+	return true;
+}
+
 /*-----------------------------------------------------------------------*/
 /* Get Drive Status                                                      */
 /*-----------------------------------------------------------------------*/
@@ -49,6 +77,10 @@ DRESULT disk_read (
 	UINT count		/* Number of sectors to read */
 )
 {
+	if(!ensure_partition(pdrv)){
+		return RES_ERROR;
+	}
+
 	switch (pdrv)
 	{
 	case DRIVE_SD:
@@ -60,6 +92,10 @@ DRESULT disk_read (
 	case DRIVE_BIS:
 	case DRIVE_EMU:
 		return nx_emmc_bis_read(sector, count, (void *)buff) ? RES_OK : RES_ERROR;
+	case DRIVE_BOOT1_1MB:
+		return sdmmc_storage_read(&emmc_storage, sector + (0x100000 / 512), count, buff) ? RES_OK : RES_ERROR;
+	case DRIVE_BOOT1:
+		return sdmmc_storage_read(&emmc_storage, sector, count, buff) ? RES_OK : RES_ERROR;
 	}

 	return RES_ERROR;
@@ -75,6 +111,10 @@ DRESULT disk_write (
 	UINT count			/* Number of sectors to write */
 )
 {
+	if(!ensure_partition(pdrv)){
+		return RES_ERROR;
+	}
+
 	switch (pdrv)
 	{
 	case DRIVE_SD:
@@ -86,6 +126,10 @@ DRESULT disk_write (
 		return RES_WRPRT;
 	case DRIVE_EMU:
 		return nx_emmc_bis_write(sector, count, (void *)buff) ? RES_OK : RES_ERROR;
+	case DRIVE_BOOT1_1MB:
+		return sdmmc_storage_write(&emmc_storage, sector + (0x100000 / 512), count, (void*)buff) ? RES_OK : RES_ERROR;
+	case DRIVE_BOOT1:
+		return sdmmc_storage_write(&emmc_storage, sector, count, (void*)buff) ? RES_OK : RES_ERROR;
 	}

 	return RES_ERROR;
--- a/nyx/nyx_gui/libs/fatfs/ffconf.h
+++ b/nyx/nyx_gui/libs/fatfs/ffconf.h
@@ -166,7 +166,7 @@
 */


-#define FF_FS_RPATH		1
+#define FF_FS_RPATH		2
 /* This option configures support for relative path.
 /
 /   0: Disable relative path and remove related functions.
@@ -179,13 +179,13 @@
 / Drive/Volume Configurations
 /---------------------------------------------------------------------------*/

-#define FF_VOLUMES		5
+#define FF_VOLUMES		7
 /* 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","emmc","bis","emu"
+#define FF_VOLUME_STRS		"sd","ram","emmc","bis","emu", "boot1", "boot1_1mb"
 /* 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
@@ -301,6 +301,14 @@
 /  SemaphoreHandle_t and etc. A header file for O/S definitions needs to be
 /  included somewhere in the scope of ff.h. */

-
+typedef enum {
+	DRIVE_SD        = 0,
+	DRIVE_RAM       = 1,
+	DRIVE_EMMC      = 2,
+	DRIVE_BIS       = 3,
+	DRIVE_EMU       = 4,
+	DRIVE_BOOT1     = 5,
+	DRIVE_BOOT1_1MB = 6,
+} DDRIVE;

 /*--- End of configuration options ---*/
--- a/nyx/nyx_gui/nyx.c
+++ b/nyx/nyx_gui/nyx.c
@@ -26,6 +26,7 @@
 #include <ianos/ianos.h>
 #include <libs/compr/blz.h>
 #include <libs/fatfs/ff.h>
+#include <storage/boot_storage.h>

 #include "frontend/fe_emmc_tools.h"
 #include "frontend/gui.h"
@@ -34,10 +35,10 @@ nyx_config n_cfg;
 hekate_config h_cfg;

 const volatile ipl_ver_meta_t __attribute__((section ("._ipl_version"))) ipl_ver = {
-	.magic = NYX_MAGIC,
+	.magic   = NYX_MAGIC,
 	.version = (NYX_VER_MJ + '0') | ((NYX_VER_MN + '0') << 8) | ((NYX_VER_HF + '0') << 16) | ((NYX_VER_RL) << 24),
-	.rsvd0 = 0,
-	.rsvd1 = 0
+	.rsvd0   = 0,
+	.rsvd1   = 0
 };

 volatile nyx_storage_t *nyx_str = (nyx_storage_t *)NYX_STORAGE_ADDR;
@@ -134,7 +135,7 @@ lv_res_t launch_payload(lv_obj_t *list)
 	strcpy(path,"bootloader/payloads/");
 	strcat(path, filename);

-	if (!sd_mount())
+	if (!boot_storage_mount())
 		goto out;

 	FIL fp;
@@ -174,7 +175,7 @@ lv_res_t launch_payload(lv_obj_t *list)

 	f_close(&fp);

-	sd_end();
+	boot_storage_end();

 	if (size < 0x30000)
 	{
@@ -351,8 +352,8 @@ static void _show_errors(int sd_error)

 	if (*excp_enabled == EXCP_MAGIC || sd_error)
 	{
-		gfx_clear_grey(0);
-		gfx_con_setpos(0, 0, 0);
+		// gfx_clear_grey(0);
+		// gfx_con_setpos(0, 0, 0);
 		display_backlight_brightness(150, 1000);
 		display_init_window_d_console();
 		display_window_d_console_enable();
@@ -440,13 +441,13 @@ void nyx_init_load_res()
 	_show_errors(SD_NO_ERROR);

 	// Try 2 times to mount SD card.
-	if (!sd_mount())
+	if (!boot_storage_mount())
 	{
 		// Restore speed to SDR104.
-		sd_end();
+		boot_storage_end();

 		// Retry.
-		if (!sd_mount())
+		if (!boot_storage_mount())
 			_show_errors(SD_MOUNT_ERROR); // Fatal.
 	}

@@ -496,7 +497,7 @@ void nyx_init_load_res()
 	nyx_load_bg_icons();

 	// Unmount FAT partition.
-	sd_unmount();
+	boot_storage_unmount();
 }

 void ipl_main()