Fastfs testing

2020-05-19 17:54:21 +02:00
42 changed files with 518 additions and 1031 deletions
--- a/4
+++ b/4
@@ -8,10 +8,10 @@ include $(DEVKITARM)/base_rules

 ################################################################################

-IPL_LOAD_ADDR := 0x40003000
+IPL_LOAD_ADDR := 0x40008000
 LPVERSION_MAJOR := 3
 LPVERSION_MINOR := 0
-LPVERSION_BUGFX := 4
+LPVERSION_BUGFX := 2

 ################################################################################

--- a/README.md
+++ b/README.md
@@ -1,28 +1,24 @@
 # TegraExplorer
-
-[![TegraExplorer builder](https://github.com/suchmememanyskill/TegraExplorer/workflows/TegraExplorer%20builder/badge.svg)](https://github.com/suchmememanyskill/TegraExplorer/actions)
-[![Downloads](https://img.shields.io/github/downloads/suchmememanyskill/TegraExplorer/total)](https://github.com/suchmememanyskill/TegraExplorer/releases)
-[![Version](https://img.shields.io/github/v/release/suchmememanyskill/tegraexplorer)](https://github.com/suchmememanyskill/TegraExplorer/releases)
-[![Donations](https://img.shields.io/badge/Support%20on-Ko--Fi-red)](https://ko-fi.com/suchmememanyskill)
-
 A payload-based file explorer for your switch!

+![TegraExplorer builder](https://github.com/suchmememanyskill/TegraExplorer/workflows/TegraExplorer%20builder/badge.svg)
+
 ## Usage
 1. Get your favorite payload injector
 2. Inject TegraExplorer as a payload

 Navigate around the menus using the joycons.
- A: Select
- B: Back
- Left Joystick up/down (Dpad or joystick): navigate menus up/down
- Right Joystick up/down: fast menu navigation up/down
- Capture (Minerva only): Take a screenshot
- L3/R3 (Press joysticks in): Recalibrate centerpoint
+A: Select
+B: Back
+Left Joystick up/down (Dpad or joystick): navigate menus up/down
+Right Joystick up/down: fast menu navigation up/down
+Capture (Minerva only): Take a screenshot
+L3/R3 (Press joysticks in): Recalibrate centerpoint

 If you do not have your joycons connected:
- Power -> A
- Vol+ -> Left Joystick up
- Vol- -> Left Joystick down
+Power -> A
+Vol+ -> Left Joystick up
+Vol- -> Left Joystick down

 ## Functions
 - Navigate the SD card
@@ -60,7 +56,6 @@ Other awesome people:
 - Huhen
 - Bleck9999
 - Exelix
- Emmo

 ## Screenshots

--- a/common/common_gfx.h
+++ b/common/common_gfx.h
@@ -1,8 +1,8 @@
 /*
 * Common Gfx Header
 * Copyright (c) 2018 naehrwert
- * Copyright (C) 2018 CTCaer
- * Copyright (C) 2018 M4xw
+ * Copyright (c) 2018 CTCaer
+ * Copyright (c) 2018 M4xw
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
--- a/common/common_module.h
+++ b/common/common_module.h
@@ -1,6 +1,6 @@
 /*
 * Common Module Header
- * Copyright (C) 2018 M4xw
+ * Copyright (c) 2018 M4xw
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
--- a/common/memory_map.h
+++ b/common/memory_map.h
@@ -19,8 +19,8 @@

 //#define IPL_STACK_TOP  0x4003FF00
 /* --- BIT/BCT: 0x40000000 - 0x40003000 --- */
-/* ---     IPL: 0x40003000 - 0x40028000 --- */
-#define IPL_LOAD_ADDR     0x40003000
+/* ---     IPL: 0x40008000 - 0x40028000 --- */
+#define IPL_LOAD_ADDR     0x40008000
 #define  IPL_SZ_MAX          0x20000 // 128KB.
 //#define IRAM_LIB_ADDR     0x4002B000
 #define SDRAM_PARAMS_ADDR 0x40030000 // SDRAM extraction buffer during sdram init.
--- a/source/hos/fss.c
+++ b/source/hos/fss.c
@@ -1,220 +0,0 @@
-/*
- * Atmosphère Fusée Secondary Storage parser.
- *
- * Copyright (c) 2019-2020 CTCaer
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * 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 <string.h>
-
-#include "fss.h"
-// #include "hos.h"
-#include "../config/config.h"
-#include "../libs/fatfs/ff.h"
-#include "../mem/heap.h"
-#include "../storage/emummc.h"
-#include "../storage/nx_sd.h"
-
-#include "../gfx/gfx.h"
-#define DPRINTF(...)
-
-extern hekate_config h_cfg;
-
-extern bool is_ipl_updated(void *buf, char *path, bool force);
-
-// FSS0 Magic and Meta header offset.
-#define FSS0_MAGIC 0x30535346
-#define FSS0_META_OFFSET 0x4
-
-// FSS0 Content Types.
-#define CNT_TYPE_FSP 0
-#define CNT_TYPE_EXO 1  // Exosphere (Secure Monitor).
-#define CNT_TYPE_WBT 2  // Warmboot (SC7Exit fw).
-#define CNT_TYPE_RBT 3  // Rebootstub (Warmboot based reboot fw).
-#define CNT_TYPE_SP1 4  // Sept Primary (TSEC and Sept Secondary loader).
-#define CNT_TYPE_SP2 5  // Sept Secondary (Acts as pkg11 and derives keys).
-#define CNT_TYPE_KIP 6  // KIP1 (Used for replacement or addition).
-#define CNT_TYPE_BMP 7
-#define CNT_TYPE_EMC 8
-#define CNT_TYPE_KLD 9  // Kernel Loader.
-#define CNT_TYPE_KRN 10 // Kernel.
-
-// FSS0 Content Flags.
-#define CNT_FLAG0_EXPERIMENTAL (1 << 0)
-
-// FSS0 Meta Header.
-typedef struct _fss_meta_t
-{
-	u32 magic;
-	u32 size;
-	u32 crt0_off;
-	u32 cnt_off;
-	u32 cnt_count;
-	u32 hos_ver;
-	u32 version;
-	u32 git_rev;
-} fss_meta_t;
-
-// FSS0 Content Header.
-typedef struct _fss_content_t
-{
-	u32 offset;
-	u32 size;
-	u8 type;
-	u8 flags0;
-	u8 flags1;
-	u8 flags2;
-	u32 rsvd1;
-	char name[0x10];
-} fss_content_t;
-
-int parse_fss(launch_ctxt_t *ctxt, const char *path, fss0_sept_t *sept_ctxt)
-{
-	FIL fp;
-
-	bool stock = false;
-	int sept_used = 0;
-
-	if (!sept_ctxt)
-	{
-		LIST_FOREACH_ENTRY(ini_kv_t, kv, &ctxt->cfg->kvs, link)
-		{
-			if (!strcmp("stock", kv->key))
-				if (kv->val[0] == '1')
-					stock = true;
-		}
-
-		if (stock && ctxt->pkg1_id->kb <= KB_FIRMWARE_VERSION_620 && (!emu_cfg.enabled || h_cfg.emummc_force_disable))
-			return 1;
-	}
-
-	if (f_open(&fp, path, FA_READ) != FR_OK)
-		return 0;
-
-	void *fss = malloc(f_size(&fp));
-
-	// Read first 1024 bytes of the fss file.
-	f_read(&fp, fss, 1024, NULL);
-
-	// Get FSS0 Meta header offset.
-	u32 fss_meta_addr = *(u32 *)(fss + FSS0_META_OFFSET);
-	fss_meta_t *fss_meta = (fss_meta_t *)(fss + fss_meta_addr);
-
-	// Check if valid FSS0 and parse it.
-	if (fss_meta->magic == FSS0_MAGIC)
-	{
-		gfx_printf("Found FSS0, Atmosphere %d.%d.%d-%08x\n"
-			"Max HOS supported: %d.%d.%d\n"
-			"Unpacking and loading components..  ",
-			fss_meta->version >> 24, (fss_meta->version >> 16) & 0xFF, (fss_meta->version >> 8) & 0xFF, fss_meta->git_rev,
-			fss_meta->hos_ver >> 24, (fss_meta->hos_ver >> 16) & 0xFF, (fss_meta->hos_ver >> 8) & 0xFF);
-
-		if (!sept_ctxt)
-		{
-			ctxt->atmosphere = true;
-			ctxt->fss0_hosver = fss_meta->hos_ver;
-		}
-
-		// Parse FSS0 contents.
-		fss_content_t *curr_fss_cnt = (fss_content_t *)(fss + fss_meta->cnt_off);
-		void *content;
-		for (u32 i = 0; i < fss_meta->cnt_count; i++)
-		{
-			content = (void *)(fss + curr_fss_cnt[i].offset);
-
-			// Check if offset is inside limits.
-			if ((curr_fss_cnt[i].offset + curr_fss_cnt[i].size) > fss_meta->size)
-				continue;
-
-			// If content is experimental and experimental flag is not enabled, skip it.
-			if ((curr_fss_cnt[i].flags0 & CNT_FLAG0_EXPERIMENTAL) && !ctxt->fss0_enable_experimental)
-				continue;
-
-			// Parse content.
-			if (!sept_ctxt)
-			{
-				// Prepare content context.
-				switch (curr_fss_cnt[i].type)
-				{
-				case CNT_TYPE_KIP:
-					if (stock)
-						continue;
-					merge_kip_t *mkip1 = (merge_kip_t *)malloc(sizeof(merge_kip_t));
-					mkip1->kip1 = content;
-					list_append(&ctxt->kip1_list, &mkip1->link);
-					DPRINTF("Loaded %s.kip1 from FSS0 (size %08X)\n", curr_fss_cnt[i].name, curr_fss_cnt[i].size);
-					break;
-				case CNT_TYPE_EXO:
-					ctxt->secmon_size = curr_fss_cnt[i].size;
-					ctxt->secmon = content;
-					break;
-				case CNT_TYPE_WBT:
-					ctxt->warmboot_size = curr_fss_cnt[i].size;
-					ctxt->warmboot = content;
-					break;
-				default:
-					continue;
-				}
-
-				// Load content to launch context.
-				f_lseek(&fp, curr_fss_cnt[i].offset);
-				f_read(&fp, content, curr_fss_cnt[i].size, NULL);
-			}
-			else
-			{
-				// Load sept content directly to launch context.
-				switch (curr_fss_cnt[i].type)
-				{
-				case CNT_TYPE_SP1:
-					f_lseek(&fp, curr_fss_cnt[i].offset);
-					f_read(&fp, sept_ctxt->sept_primary, curr_fss_cnt[i].size, NULL);
-					break;
-				case CNT_TYPE_SP2:
-					if (!memcmp(curr_fss_cnt[i].name, (sept_ctxt->kb < KB_FIRMWARE_VERSION_810) ? "septsecondary00" : "septsecondary01", 15))
-					{
-						f_lseek(&fp, curr_fss_cnt[i].offset);
-						f_read(&fp, sept_ctxt->sept_secondary, curr_fss_cnt[i].size, NULL);
-						sept_used = 1;
-						goto out;
-					}
-					break;
-				default:
-					break;
-				}
-			}
-		}
-
-out:
-		gfx_printf("Done!\n");
-		f_close(&fp);
-
-		return (!sept_ctxt ? 1 : sept_used);
-	}
-
-	f_close(&fp);
-	free(fss);
-
-	return 0;
-}
-
-int load_sept_from_ffs0(fss0_sept_t *sept_ctxt)
-{
-	LIST_FOREACH_ENTRY(ini_kv_t, kv, &sept_ctxt->cfg_sec->kvs, link)
-	{
-		if (!strcmp("fss0", kv->key))
-			return parse_fss(NULL, kv->val, sept_ctxt);
-	}
-
-	return 0;
-}
--- a/source/hos/fss.h
+++ b/source/hos/fss.h
@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2019 CTCaer
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _FSS_H_
-#define _FSS_H_
-
-#include "hos.h"
-
-typedef struct _fss0_sept_t
-{
-	u32 kb;
-	ini_sec_t *cfg_sec;
-	void *sept_primary;
-	void *sept_secondary;
-
-} fss0_sept_t;
-
-int parse_fss(launch_ctxt_t *ctxt, const char *path, fss0_sept_t *sept_ctxt);
-int load_sept_from_ffs0(fss0_sept_t *sept_ctxt);
-
-#endif
--- a/source/hos/hos.h
+++ b/source/hos/hos.h
@@ -1,120 +0,0 @@
-/*
- * Copyright (c) 2018 naehrwert
- * Copyright (c) 2018-2020 CTCaer
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _HOS_H_
-#define _HOS_H_
-
-#include "pkg1.h"
-#include "pkg2.h"
-#include "../utils/types.h"
-#include "../config/ini.h"
-#include "../sec/tsec.h"
-
-#include <assert.h>
-
-#define KB_FIRMWARE_VERSION_100_200 0
-#define KB_FIRMWARE_VERSION_300 1
-#define KB_FIRMWARE_VERSION_301 2
-#define KB_FIRMWARE_VERSION_400 3
-#define KB_FIRMWARE_VERSION_500 4
-#define KB_FIRMWARE_VERSION_600 5
-#define KB_FIRMWARE_VERSION_620 6
-#define KB_FIRMWARE_VERSION_700 7
-#define KB_FIRMWARE_VERSION_810 8
-#define KB_FIRMWARE_VERSION_900 9
-#define KB_FIRMWARE_VERSION_910 10
-#define KB_FIRMWARE_VERSION_MAX KB_FIRMWARE_VERSION_910
-
-#define HOS_PKG11_MAGIC 0x31314B50
-#define HOS_EKS_MAGIC   0x30534B45
-
-typedef struct _exo_ctxt_t
-{
-	bool no_user_exceptions;
-	bool user_pmu;
-	bool *cal0_blank;
-	bool *cal0_allow_writes_sys;
-} exo_ctxt_t;
-
-typedef struct _hos_eks_keys_t
-{
-	u8 dkg[0x10];
-	u8 mkk[0x10];
-	u8 fdk[0x10];
-	u8 dkk[0x10];
-} hos_eks_keys_t;
-
-typedef struct _hos_eks_mbr_t
-{
-	u32 magic;
-	u32 enabled;
-	u32 sbk_low[2];
-	hos_eks_keys_t keys[6];
-	u32 magic2;
-	u32 rsvd2[3];
-} hos_eks_mbr_t;
-
-static_assert(sizeof(hos_eks_mbr_t) == 416, "HOS EKS storage bigger than MBR!");
-
-typedef struct _launch_ctxt_t
-{
-	void *keyblob;
-
-	void *pkg1;
-	const pkg1_id_t *pkg1_id;
-	const pkg2_kernel_id_t *pkg2_kernel_id;
-
-	void *warmboot;
-	u32   warmboot_size;
-	void *secmon;
-	u32   secmon_size;
-
-	void *pkg2;
-	u32   pkg2_size;
-	bool  new_pkg2;
-
-	void  *kernel;
-	u32    kernel_size;
-	link_t kip1_list;
-	char*  kip1_patches;
-
-	u32  fss0_hosver;
-	bool svcperm;
-	bool debugmode;
-	bool stock;
-	bool atmosphere;
-	bool fss0_enable_experimental;
-	bool emummc_forced;
-
-	exo_ctxt_t exo_cfg;
-
-	ini_sec_t *cfg;
-} launch_ctxt_t;
-
-typedef struct _merge_kip_t
-{
-	void *kip1;
-	link_t link;
-} merge_kip_t;
-
-void hos_eks_get();
-void hos_eks_save(u32 kb);
-void hos_eks_clear(u32 kb);
-int  hos_launch(ini_sec_t *cfg);
-int  hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_ctxt);
-
-#endif
--- a/source/hos/pkg2.c
+++ b/source/hos/pkg2.c
@@ -26,15 +26,15 @@

 #include "../gfx/gfx.h"

-u32 pkg2_newkern_ini1_val;
-u32 pkg2_newkern_ini1_start;
-u32 pkg2_newkern_ini1_end;
-
 /*#include "util.h"
 #define DPRINTF(...) gfx_printf(__VA_ARGS__)
 #define DEBUG_PRINTING*/
 #define DPRINTF(...)

+u32 pkg2_newkern_ini1_val;
+u32 pkg2_newkern_ini1_start;
+u32 pkg2_newkern_ini1_end;
+
 static u32 _pkg2_calc_kip1_size(pkg2_kip1_t *kip1)
 {
 	u32 size = sizeof(pkg2_kip1_t);
--- a/source/hos/pkg2.h
+++ b/source/hos/pkg2.h
@@ -1,6 +1,6 @@
 /*
 * Copyright (c) 2018 naehrwert
- * Copyright (c) 2018-2020 CTCaer
+ * Copyright (C) 2018-2020 CTCaer
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
@@ -32,14 +32,6 @@ extern u32 pkg2_newkern_ini1_val;
 extern u32 pkg2_newkern_ini1_start;
 extern u32 pkg2_newkern_ini1_end;

-typedef struct _kernel_patch_t
-{
-	u32 id;
-	u32 off;
-	u32 val;
-	u32 *ptr;
-} kernel_patch_t;
-
 typedef struct _pkg2_hdr_t
 {
 	u8 ctr[0x10];
@@ -95,12 +87,6 @@ typedef struct _pkg2_kip1_info_t
 	link_t link;
 } pkg2_kip1_info_t;

-typedef struct _pkg2_kernel_id_t
-{
-	u8 hash[8];
-	kernel_patch_t *kernel_patchset;
-} pkg2_kernel_id_t;
-
 bool pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2);
 int pkg2_decompress_kip(pkg2_kip1_info_t* ki, u32 sectsToDecomp);
 pkg2_hdr_t *pkg2_decrypt(void *data);
--- a/source/hos/sept.c
+++ b/source/hos/sept.c
@@ -17,20 +17,15 @@
 #include <string.h>

 #include "sept.h"
-#include "../config/ini.h"
 #include "../gfx/di.h"
-#include "../hos/fss.h"
-#include "../hos/hos.h"
 #include "../libs/fatfs/ff.h"
 #include "../mem/heap.h"
 #include "../soc/hw_init.h"
 #include "../soc/pmc.h"
 #include "../soc/t210.h"
 #include "../storage/nx_emmc.h"
-#include "../storage/nx_sd.h"
 #include "../storage/sdmmc.h"
 #include "../utils/btn.h"
-#include "../utils/list.h"
 #include "../utils/types.h"

 #include "../gfx/gfx.h"
@@ -63,81 +58,48 @@ u8 warmboot_reboot[] = {

 extern u32 color_idx;
 extern boot_cfg_t b_cfg;
+extern void sd_unmount();
 extern void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size);

 int reboot_to_sept(const u8 *tsec_fw, const u32 tsec_size, const u32 kb)
 {
 	FIL fp;
-	bool fss0_sept_used = false;

 	// Copy warmboot reboot code and TSEC fw.
 	memcpy((u8 *)(SEPT_PK1T_ADDR - WB_RST_SIZE), (u8 *)warmboot_reboot, sizeof(warmboot_reboot));
 	memcpy((void *)SEPT_PK1T_ADDR, tsec_fw, tsec_size);
 	*(vu32 *)SEPT_TCSZ_ADDR = tsec_size;

-	LIST_INIT(ini_sections);
-	if (ini_parse(&ini_sections, "bootloader/hekate_ipl.ini", false))
+	// Copy sept-primary.
+	if (f_open(&fp, "sd:/sept/sept-primary.bin", FA_READ))
+		goto error;
+
+	if (f_read(&fp, (u8 *)SEPT_STG1_ADDR, f_size(&fp), NULL))
 	{
-		bool found = false;
-		LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_sections, link)
-		{
-			// Only parse non config sections.
-			if (ini_sec->type == INI_CHOICE && strcmp(ini_sec->name, "config"))
-			{
-				LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
-				{
-					if (!strcmp("fss0", kv->key))
-					{
-						fss0_sept_t sept_ctxt;
-						sept_ctxt.kb = kb;
-						sept_ctxt.sept_primary = (void *)SEPT_STG1_ADDR;
-						sept_ctxt.sept_secondary = (void *)SEPT_STG2_ADDR;
-						fss0_sept_used = parse_fss(NULL, kv->val, &sept_ctxt);
-
-						found = true;
-						break;
-					}
-				}
-			}
-			if (found)
-				break;
-		}
-	}
-
-
-	if (!fss0_sept_used)
-	{
-		// Copy sept-primary.
-		if (f_open(&fp, "sd:/sept/sept-primary.bin", FA_READ))
-			goto error;
-
-		if (f_read(&fp, (u8 *)SEPT_STG1_ADDR, f_size(&fp), NULL))
-		{
-			f_close(&fp);
-			goto error;
-		}
 		f_close(&fp);
+		goto error;
+	}
+	f_close(&fp);

-		// Copy sept-secondary.
-		if (kb < KB_FIRMWARE_VERSION_810)
-		{
-			if (f_open(&fp, "sd:/sept/sept-secondary_00.enc", FA_READ))
-				if (f_open(&fp, "sd:/sept/sept-secondary.enc", FA_READ)) // Try the deprecated version.
-					goto error;
-		}
-		else
-		{
-			if (f_open(&fp, "sd:/sept/sept-secondary_01.enc", FA_READ))
+	// Copy sept-secondary.
+	if (kb < KB_FIRMWARE_VERSION_810)
+	{
+		if (f_open(&fp, "sd:/sept/sept-secondary_00.enc", FA_READ))
+			if (f_open(&fp, "sd:/sept/sept-secondary.enc", FA_READ)) // Try the deprecated version.
 				goto error;
-		}
-
-		if (f_read(&fp, (u8 *)SEPT_STG2_ADDR, f_size(&fp), NULL))
-		{
-			f_close(&fp);
-			goto error;
-		}
-		f_close(&fp);
 	}
+	else
+	{
+		if (f_open(&fp, "sd:/sept/sept-secondary_01.enc", FA_READ))
+			goto error;
+	}
+
+	if (f_read(&fp, (u8 *)SEPT_STG2_ADDR, f_size(&fp), NULL))
+	{
+		f_close(&fp);
+		goto error;
+	}
+	f_close(&fp);

 	// Save auto boot config to sept payload, if any.
 	boot_cfg_t *tmp_cfg = malloc(sizeof(boot_cfg_t));
@@ -145,8 +107,7 @@ int reboot_to_sept(const u8 *tsec_fw, const u32 tsec_size, const u32 kb)

 	tmp_cfg->boot_cfg |= BOOT_CFG_SEPT_RUN;

-	if (f_open(&fp, "sd:/sept/payload.bin", FA_READ | FA_WRITE))
-	{
+	if (f_open(&fp, "sd:/sept/payload.bin", FA_READ | FA_WRITE)) {
 		free(tmp_cfg);
 		goto error;
 	}
--- a/source/libs/fatfs/diskio.c
+++ b/source/libs/fatfs/diskio.c
@@ -81,10 +81,8 @@ static inline void _gf256_mul_x_le(void *block) {

 static inline int _emmc_xts(u32 ks1, u32 ks2, u32 enc, u8 *tweak, bool regen_tweak, u32 tweak_exp, u64 sec, void *dst, void *src, u32 secsize) {
    int res = 0;
-    u8 *temptweak = (u8 *)malloc(0x10);
-	u32 *pdst = (u32 *)dst;
-    u32 *psrc = (u32 *)src;
-    u32 *ptweak = (u32 *)tweak;
+    u8 *pdst = (u8 *)dst;
+    u8 *psrc = (u8 *)src;

    if (regen_tweak) {
        for (int i = 0xF; i >= 0; i--) {
@@ -98,33 +96,34 @@ static inline int _emmc_xts(u32 ks1, u32 ks2, u32 enc, u8 *tweak, bool regen_twe
    for (u32 i = 0; i < tweak_exp * 0x20; i++)
        _gf256_mul_x_le(tweak);

+    u8 temptweak[0x10];
    memcpy(temptweak, tweak, 0x10);

    //We are assuming a 0x10-aligned sector size in this implementation.
    for (u32 i = 0; i < secsize / 0x10; i++) {
-        for (u32 j = 0; j < 4; j++)
-            pdst[j] = psrc[j] ^ ptweak[j];
+        for (u32 j = 0; j < 0x10; j++)
+            pdst[j] = psrc[j] ^ tweak[j];
        _gf256_mul_x_le(tweak);
-        psrc += 4;
-        pdst += 4;
+        psrc += 0x10;
+        pdst += 0x10;
    }

    se_aes_crypt_ecb(ks2, enc, dst, secsize, dst, secsize);

-    pdst = (u32 *)dst;
+    pdst = (u8 *)dst;

    memcpy(tweak, temptweak, 0x10);
    for (u32 i = 0; i < secsize / 0x10; i++) {
-        for (u32 j = 0; j < 4; j++)
-            pdst[j] = pdst[j] ^ ptweak[j];
+        for (u32 j = 0; j < 0x10; j++)
+            pdst[j] = pdst[j] ^ tweak[j];
        _gf256_mul_x_le(tweak);
-        pdst += 4;
+        pdst += 0x10;
    }

+
    res = 1;

 out:;
-    free(temptweak);
    return res;
 }

--- a/source/libs/fatfs/ff.c
+++ b/source/libs/fatfs/ff.c
@@ -4056,7 +4056,216 @@ FRESULT f_write (
 	LEAVE_FF(fs, FR_OK);
 }

+#ifdef FF_FASTFS
+/*-----------------------------------------------------------------------*/
+/* Fast Read Aligned Sized File Without a Cache                         */
+/*-----------------------------------------------------------------------*/
+#if FF_USE_FASTSEEK
+FRESULT f_read_fast (
+	FIL* fp,			/* Pointer to the file object */
+	const void* buff,	/* Pointer to the data to be written */
+	UINT btr			/* Number of bytes to read */
+)
+{
+	if (btr % 65536 != 0)
+		return f_read(fp, buff, btr, NULL);

+	FRESULT res;
+	FATFS *fs;
+	UINT csize_bytes;
+	DWORD clst;
+	UINT count = 0;
+	FSIZE_t work_sector = 0;
+	FSIZE_t sector_base = 0;
+	BYTE *wbuff = (BYTE*)buff;
+	
+
+	// TODO support sector reading inside a cluster
+
+	res = validate(&fp->obj, &fs);			/* Check validity of the file object */
+	if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) {
+		EFSPRINTF("FOV");
+		LEAVE_FF(fs, res);	/* Check validity */
+	}
+
+	if (!(fp->flag & FA_READ)) LEAVE_FF(fs, FR_DENIED); /* Check access mode */
+	FSIZE_t remain = fp->obj.objsize - fp->fptr;
+	if (btr > remain) btr = (UINT)remain;		/* Truncate btr by remaining bytes */
+
+	csize_bytes = fs->csize * SS(fs);
+
+	if (!fp->fptr) {	/* On the top of the file? */
+		clst = fp->obj.sclust;	/* Follow from the origin */
+	} else {
+		if (fp->cltbl) clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */
+		else { EFSPRINTF("CLTBL"); ABORT(fs, FR_CLTBL_NO_INIT); }
+	}
+	if (clst < 2) { EFSPRINTF("CCHK"); ABORT(fs, FR_INT_ERR); }
+	else if (clst == 0xFFFFFFFF) { EFSPRINTF("DSKC"); ABORT(fs, FR_DISK_ERR); }
+
+	fp->clust = clst;	/* Set working cluster */
+
+	sector_base = clst2sect(fs, fp->clust);
+	count += fs->csize;
+	btr -= csize_bytes;
+	fp->fptr += csize_bytes;
+
+	while (btr) {
+		clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */
+
+		if (clst < 2) { EFSPRINTF("CCHK2"); ABORT(fs, FR_INT_ERR); }
+		else if (clst == 0xFFFFFFFF) { EFSPRINTF("DSKC"); ABORT(fs, FR_DISK_ERR); }
+
+		fp->clust = clst;
+
+		work_sector = clst2sect(fs, fp->clust);
+		if ((work_sector - sector_base) == count) count += fs->csize;
+		else {
+			if (disk_read(fs->pdrv, wbuff, sector_base, count) != RES_OK) ABORT(fs, FR_DISK_ERR);
+			wbuff += count * SS(fs);
+
+			sector_base = work_sector;
+			count = fs->csize;
+		}
+
+		fp->fptr += MIN(btr, csize_bytes);
+		btr -= MIN(btr, csize_bytes);
+
+		// TODO: what about if data is smaller than cluster?
+		// Must read-write back that cluster.
+
+		if (!btr) {	/* Final cluster/sectors read. */
+			if (disk_read(fs->pdrv, wbuff, sector_base, count) != RES_OK) ABORT(fs, FR_DISK_ERR);
+		}
+	}
+
+	LEAVE_FF(fs, FR_OK);
+}
+#endif
+#endif
+
+#ifdef FF_FASTFS
+/*-----------------------------------------------------------------------*/
+/* Fast Write Aligned Sized File Without a Cache                         */
+/*-----------------------------------------------------------------------*/
+#if FF_USE_FASTSEEK
+FRESULT f_write_fast (
+	FIL* fp,			/* Pointer to the file object */
+	const void* buff,	/* Pointer to the data to be written */
+	UINT btw			/* Number of bytes to write */
+)
+{
+	if (btw % 65536 != 0)
+		return f_write(fp, buff, btw, NULL);
+
+	FRESULT res;
+	FATFS *fs;
+	UINT csize_bytes;
+	DWORD clst;
+	UINT count = 0;
+	FSIZE_t work_sector = 0;
+	FSIZE_t sector_base = 0;
+	const BYTE *wbuff = (const BYTE*)buff;
+
+	// TODO support sector writing inside a cluster
+
+	res = validate(&fp->obj, &fs);			/* Check validity of the file object */
+	if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) {
+		EFSPRINTF("FOV");
+		LEAVE_FF(fs, res);	/* Check validity */
+	}
+
+	if (!(fp->flag & FA_WRITE)) LEAVE_FF(fs, FR_DENIED);	/* Check access mode */
+	/* Check fptr wrap-around (file size cannot reach 4 GiB at FAT volume) */
+	if ((!FF_FS_EXFAT || fs->fs_type != FS_EXFAT) && (DWORD)(fp->fptr + btw) < (DWORD)fp->fptr) {
+		btw = (UINT)(0xFFFFFFFF - (DWORD)fp->fptr);
+	}
+
+	csize_bytes = fs->csize * SS(fs);
+
+	if (!fp->fptr) {	/* On the top of the file? */
+		clst = fp->obj.sclust;	/* Follow from the origin */
+	} else {
+		if (fp->cltbl) clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */
+		else { EFSPRINTF("CLTBL"); ABORT(fs, FR_CLTBL_NO_INIT); }
+	}
+
+	if (clst < 2) { EFSPRINTF("CCHK"); ABORT(fs, FR_INT_ERR); }
+	else if (clst == 0xFFFFFFFF) { EFSPRINTF("DERR"); ABORT(fs, FR_DISK_ERR); }
+
+	fp->clust = clst;	/* Set working cluster */
+
+	sector_base = clst2sect(fs, fp->clust);
+	count += fs->csize;
+	btw -= csize_bytes;
+	fp->fptr += csize_bytes;
+
+	while (btw) {
+		clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */
+
+		if (clst < 2) { EFSPRINTF("CCHK2"); ABORT(fs, FR_INT_ERR); }
+		else if (clst == 0xFFFFFFFF) { EFSPRINTF("DERR"); ABORT(fs, FR_DISK_ERR); }
+
+		fp->clust = clst;
+
+		work_sector = clst2sect(fs, fp->clust);
+		if ((work_sector - sector_base) == count) count += fs->csize;
+		else {
+			if (disk_write(fs->pdrv, wbuff, sector_base, count) != RES_OK) ABORT(fs, FR_DISK_ERR);
+			wbuff += count * SS(fs);
+
+			sector_base = work_sector;
+			count = fs->csize;
+		}
+
+		fp->fptr += MIN(btw, csize_bytes);
+		btw -= MIN(btw, csize_bytes);
+
+		// what about if data is smaller than cluster?
+		// Probably must read-write back that cluster.
+		if (!btw) {	/* Final cluster/sectors write. */
+			if (disk_write(fs->pdrv, wbuff, sector_base, count) != RES_OK) ABORT(fs, FR_DISK_ERR);
+			fp->flag &= (BYTE)~FA_DIRTY;
+		}
+	}
+
+	fp->flag |= FA_MODIFIED;	/* Set file change flag */
+
+	LEAVE_FF(fs, FR_OK);
+}
+#endif
+#endif
+
+
+#ifdef FF_FASTFS
+#if FF_USE_FASTSEEK
+/*-----------------------------------------------------------------------*/
+/* Seek File Read/Write Pointer                                          */
+/*-----------------------------------------------------------------------*/
+
+DWORD *f_expand_cltbl (
+	FIL* fp,		/* Pointer to the file object */
+	UINT tblsz,		/* Size of table */
+	FSIZE_t ofs		/* File pointer from top of file */
+)
+{
+	if (fp->flag & FA_WRITE) f_lseek(fp, ofs);	/* Expand file if write is enabled */
+	if (!fp->cltbl) {	/* Allocate memory for cluster link table */
+		fp->cltbl = (DWORD *)ff_memalloc(tblsz);
+		fp->cltbl[0] = tblsz;
+	}
+	if (f_lseek(fp, CREATE_LINKMAP)) {	/* Create cluster link table */
+		ff_memfree(fp->cltbl);
+		fp->cltbl = NULL;
+		EFSPRINTF("CLTBLSZ");
+		return NULL;
+	}
+	f_lseek(fp, 0);
+
+	return fp->cltbl;
+}
+#endif
+#endif


 /*-----------------------------------------------------------------------*/
@@ -4169,6 +4378,13 @@ FRESULT f_close (
 #endif
 		}
 	}
+
+	if (fp->cltbl != NULL){
+		ff_memfree(fp->cltbl);
+		fp->cltbl = NULL;
+	}
+
+
 	return res;
 }

--- a/source/libs/fatfs/ff.h
+++ b/source/libs/fatfs/ff.h
@@ -246,7 +246,10 @@ typedef enum {
 	FR_LOCKED,				/* (16) The operation is rejected according to the file sharing policy */
 	FR_NOT_ENOUGH_CORE,		/* (17) LFN working buffer could not be allocated */
 	FR_TOO_MANY_OPEN_FILES,	/* (18) Number of open files > FF_FS_LOCK */
-	FR_INVALID_PARAMETER	/* (19) Given parameter is invalid */
+	FR_INVALID_PARAMETER,	/* (19) Given parameter is invalid */
+#ifdef FF_FASTFS
+	FR_CLTBL_NO_INIT	    /* (20) The cluster table for fast seek/read/write was not created */
+#endif
 } FRESULT;


@@ -288,6 +291,11 @@ int f_putc (TCHAR c, FIL* fp);										/* Put a character to the file */
 int f_puts (const TCHAR* str, FIL* cp);								/* Put a string to the file */
 int f_printf (FIL* fp, const TCHAR* str, ...);						/* Put a formatted string to the file */
 TCHAR* f_gets (TCHAR* buff, int len, FIL* fp);						/* Get a string from the file */
+#ifdef FF_FASTFS
+FRESULT f_read_fast (FIL* fp, const void* buff, UINT btr);			/* Fast read data from the file */
+FRESULT f_write_fast (FIL* fp, const void* buff, UINT btw);         /* Fast write data to the file */
+DWORD  *f_expand_cltbl (FIL* fp, UINT tblsz, FSIZE_t ofs);			/* Expand file and populate cluster table */
+#endif

 #define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))
 #define f_error(fp) ((fp)->err)
--- a/source/libs/fatfs/ffconf.h
+++ b/source/libs/fatfs/ffconf.h
@@ -42,7 +42,13 @@
 /* This option switches f_mkfs() function. (0:Disable or 1:Enable) */


+#define FF_FASTFS 1
+
+#ifdef FF_FASTFS
+#define FF_USE_FASTSEEK	1
+#else
 #define FF_USE_FASTSEEK	0
+#endif
 /* This option switches fast seek function. (0:Disable or 1:Enable) */


@@ -287,3 +293,5 @@


 /*--- End of configuration options ---*/
+
+
--- a/source/mem/heap.c
+++ b/source/mem/heap.c
@@ -136,7 +136,7 @@ void *malloc(u32 size)
 void *calloc(u32 num, u32 size)
 {
 	void *res = (void *)_heap_alloc(&_heap, num * size);
-	memset(res, 0, ALIGN(num * size, sizeof(hnode_t))); // Clear the aligned size.
+	memset(res, 0, num * size);
 	return res;
 }

--- a/source/rtc/max77620-rtc.c
+++ b/source/rtc/max77620-rtc.c
@@ -2,7 +2,7 @@
 * PMIC Real Time Clock driver for Nintendo Switch's MAX77620-RTC
 *
 * Copyright (c) 2018-2019 CTCaer
- * Copyright (c) 2019-2020 shchmue
+ * Copyright (c) 2019 shchmue
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
@@ -35,10 +35,10 @@ void max77620_rtc_get_time(rtc_time_t *time)
 	// Get time.
 	time->sec  = i2c_recv_byte(I2C_5, MAX77620_RTC_I2C_ADDR, MAX77620_RTC_SEC_REG) & 0x7F;
 	time->min  = i2c_recv_byte(I2C_5, MAX77620_RTC_I2C_ADDR, MAX77620_RTC_MIN_REG) & 0x7F;
+	u8 hour = i2c_recv_byte(I2C_5, MAX77620_RTC_I2C_ADDR, MAX77620_RTC_HOUR_REG);
+	time->hour = hour & 0x1F;

-	time->hour = i2c_recv_byte(I2C_5, MAX77620_RTC_I2C_ADDR, MAX77620_RTC_HOUR_REG) & 0x1F;
-
-	if (!(val & MAX77620_RTC_24H) && time->hour & MAX77620_RTC_HOUR_PM_MASK)
+	if (!(val & MAX77620_RTC_24H) && (hour & MAX77620_RTC_HOUR_PM_MASK))
 		time->hour = (time->hour & 0xF) + 12;

 	// Get day of week. 1: Monday to 7: Sunday.
--- a/source/sec/se.c
+++ b/source/sec/se.c
@@ -19,7 +19,6 @@

 #include <string.h>

-#include "../../common/memory_map.h"
 #include "../sec/se.h"
 #include "../mem/heap.h"
 #include "../soc/bpmp.h"
@@ -95,12 +94,7 @@ static int _se_wait()

 static int _se_execute(u32 op, void *dst, u32 dst_size, const void *src, u32 src_size)
 {
-	static se_ll_t *ll_dst = NULL, *ll_src = NULL;
-	if (!ll_dst)
-	{
-		ll_dst = (se_ll_t *)malloc(sizeof(se_ll_t));
-		ll_src = (se_ll_t *)malloc(sizeof(se_ll_t));
-	}
+	se_ll_t *ll_dst = (se_ll_t *)0xECFFFFE0, *ll_src = (se_ll_t *)0xECFFFFF0;

 	if (dst)
 	{
@@ -240,16 +234,6 @@ void se_aes_key_set(u32 ks, const void *key, u32 size)
 	}
 }

-void se_aes_iv_set(u32 ks, const void *iv, u32 size)
-{
-	u32 *data = (u32 *)iv;
-	for (u32 i = 0; i < size / 4; i++)
-	{
-		SE(SE_KEYTABLE_REG_OFFSET) = SE_KEYTABLE_SLOT(ks) | 8 | i;
-		SE(SE_KEYTABLE_DATA0_REG_OFFSET) = data[i];
-	}
-}
-
 void se_aes_key_read(u32 ks, void *key, u32 size)
 {
 	u32 *data = (u32 *)key;
@@ -336,90 +320,12 @@ int se_aes_crypt_ctr(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_s
 	return 1;
 }

-// random calls were derived from Atmosphère's
-int se_initialize_rng(u32 ks)
-{
-	u8 *output_buf = (u8 *)malloc(0x10);
-
-	SE(SE_CONFIG_REG_OFFSET) = SE_CONFIG_ENC_ALG(ALG_RNG) | SE_CONFIG_DST(DST_MEMORY);
-	SE(SE_CRYPTO_REG_OFFSET) = SE_CRYPTO_KEY_INDEX(ks) | SE_CRYPTO_CORE_SEL(CORE_ENCRYPT) |
-		SE_CRYPTO_INPUT_SEL(INPUT_RANDOM);
-	SE(SE_RNG_CONFIG_REG_OFFSET) = SE_RNG_CONFIG_MODE(RNG_MODE_FORCE_INSTANTION) | SE_RNG_CONFIG_SRC(RNG_SRC_ENTROPY);
-	SE(SE_RNG_RESEED_INTERVAL_REG_OFFSET) = 70001;
-	SE(SE_RNG_SRC_CONFIG_REG_OFFSET) = SE_RNG_SRC_CONFIG_ENT_SRC_LOCK(RNG_SRC_RO_ENT_LOCK_ENABLE);
-	SE(SE_BLOCK_COUNT_REG_OFFSET) = 0;
-
-	int res =_se_execute(OP_START, output_buf, 0x10, NULL, 0);
-
-	free(output_buf);
-	return res;
-}
-
-int se_generate_random(u32 ks, void *dst, u32 size)
-{
-	SE(SE_CONFIG_REG_OFFSET) = SE_CONFIG_ENC_ALG(ALG_RNG) | SE_CONFIG_DST(DST_MEMORY);
-	SE(SE_CRYPTO_REG_OFFSET) = SE_CRYPTO_KEY_INDEX(ks) | SE_CRYPTO_CORE_SEL(CORE_ENCRYPT) |
-		SE_CRYPTO_INPUT_SEL(INPUT_RANDOM);
-	SE(SE_RNG_CONFIG_REG_OFFSET) = SE_RNG_CONFIG_MODE(RNG_MODE_NORMAL) | SE_RNG_CONFIG_SRC(RNG_SRC_ENTROPY);
-
-	u32 num_blocks = size >> 4;
-	u32 aligned_size = num_blocks << 4;
-	if (num_blocks)
-	{
-		SE(SE_BLOCK_COUNT_REG_OFFSET) = num_blocks - 1;
-		if (!_se_execute(OP_START, dst, aligned_size, NULL, 0))
-			return 0;
-	}
-	if (size > aligned_size)
-		return _se_execute_one_block(OP_START, dst + aligned_size, size - aligned_size, NULL, 0);
-	return 1;
-}
-
-int se_generate_random_key(u32 ks_dst, u32 ks_src)
-{
-	SE(SE_CONFIG_REG_OFFSET) = SE_CONFIG_ENC_ALG(ALG_RNG) | SE_CONFIG_DST(DST_MEMORY);
-	SE(SE_CRYPTO_REG_OFFSET) = SE_CRYPTO_KEY_INDEX(ks_src) | SE_CRYPTO_CORE_SEL(CORE_ENCRYPT) |
-		SE_CRYPTO_INPUT_SEL(INPUT_RANDOM);
-	SE(SE_RNG_CONFIG_REG_OFFSET) = SE_RNG_CONFIG_MODE(RNG_MODE_NORMAL) | SE_RNG_CONFIG_SRC(RNG_SRC_ENTROPY);
-
-	SE(SE_CRYPTO_KEYTABLE_DST_REG_OFFSET) = SE_CRYPTO_KEYTABLE_DST_KEY_INDEX(ks_dst);
-	if (!_se_execute(OP_START, NULL, 0, NULL, 0))
-		return 0;
-	SE(SE_CRYPTO_KEYTABLE_DST_REG_OFFSET) = SE_CRYPTO_KEYTABLE_DST_KEY_INDEX(ks_dst) | 1;
-	if (!_se_execute(OP_START, NULL, 0, NULL, 0))
-		return 0;
-
-	return 1;
-}
-
-int se_aes_crypt_cbc(u32 ks, u32 enc, void *dst, u32 dst_size, const void *src, u32 src_size)
-{
-	if (enc)
-	{
-		SE(SE_CONFIG_REG_OFFSET) = SE_CONFIG_ENC_ALG(ALG_AES_ENC) | SE_CONFIG_DST(DST_MEMORY);
-		SE(SE_CRYPTO_REG_OFFSET) = SE_CRYPTO_KEY_INDEX(ks) | SE_CRYPTO_VCTRAM_SEL(VCTRAM_AESOUT) |
-			SE_CRYPTO_CORE_SEL(CORE_ENCRYPT) | SE_CRYPTO_XOR_POS(XOR_TOP) | SE_CRYPTO_INPUT_SEL(INPUT_AHB) |
-			SE_CRYPTO_IV_SEL(IV_ORIGINAL);
-	}
-	else
-	{
-		SE(SE_CONFIG_REG_OFFSET) = SE_CONFIG_DEC_ALG(ALG_AES_DEC) | SE_CONFIG_DST(DST_MEMORY);
-		SE(SE_CRYPTO_REG_OFFSET) = SE_CRYPTO_KEY_INDEX(ks) | SE_CRYPTO_VCTRAM_SEL(VCTRAM_PREVAHB) |
-			SE_CRYPTO_CORE_SEL(CORE_DECRYPT) | SE_CRYPTO_XOR_POS(XOR_BOTTOM) | SE_CRYPTO_INPUT_SEL(INPUT_AHB) |
-			SE_CRYPTO_IV_SEL(IV_ORIGINAL);
-	}
-	SE(SE_BLOCK_COUNT_REG_OFFSET) = (src_size >> 4) - 1;
-	return _se_execute(OP_START, dst, dst_size, src, src_size);
-}
-
 int se_aes_xts_crypt_sec(u32 ks1, u32 ks2, u32 enc, u64 sec, void *dst, const void *src, u32 secsize)
 {
 	int res = 0;
 	u8 *tweak = (u8 *)malloc(0x10);
-	u8 *temptweak = (u8 *)malloc(0x10);
-	u32 *pdst = (u32 *)dst;
-    u32 *psrc = (u32 *)src;
-    u32 *ptweak = (u32 *)tweak;
+	u8 *pdst = (u8 *)dst;
+	u8 *psrc = (u8 *)src;

 	//Generate tweak.
 	for (int i = 0xF; i >= 0; i--)
@@ -430,35 +336,23 @@ int se_aes_xts_crypt_sec(u32 ks1, u32 ks2, u32 enc, u64 sec, void *dst, const vo
 	if (!se_aes_crypt_block_ecb(ks1, 1, tweak, tweak))
 		goto out;

-	memcpy(temptweak, tweak, 0x10);
-
 	//We are assuming a 0x10-aligned sector size in this implementation.
 	for (u32 i = 0; i < secsize / 0x10; i++)
 	{
-		for (u32 j = 0; j < 4; j++)
-			pdst[j] = psrc[j] ^ ptweak[j];
+		for (u32 j = 0; j < 0x10; j++)
+			pdst[j] = psrc[j] ^ tweak[j];
+		if (!se_aes_crypt_block_ecb(ks2, enc, pdst, pdst))
+			goto out;
+		for (u32 j = 0; j < 0x10; j++)
+			pdst[j] = pdst[j] ^ tweak[j];
 		_gf256_mul_x_le(tweak);
-		psrc += 4;
-		pdst += 4;
-	}
-
-	se_aes_crypt_ecb(ks2, enc, dst, secsize, dst, secsize);
-
-	pdst = (u32 *)dst;
-
-	memcpy(tweak, temptweak, 0x10);
-	for (u32 i = 0; i < secsize / 0x10; i++)
-	{
-		for (u32 j = 0; j < 4; j++)
-			pdst[j] = pdst[j] ^ ptweak[j];
-		_gf256_mul_x_le(tweak);
-		pdst += 4;
+		psrc += 0x10;
+		pdst += 0x10;
 	}

 	res = 1;

 out:;
-	free(temptweak);
 	free(tweak);
 	return res;
 }
@@ -496,21 +390,17 @@ int se_aes_cmac(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size)
 	se_aes_key_iv_clear(ks);

 	u32 num_blocks = (src_size + 0xf) >> 4;
-	if (num_blocks > 1)
-	{
+	if (num_blocks > 1) {
 		SE(SE_BLOCK_COUNT_REG_OFFSET) = num_blocks - 2;
 		if (!_se_execute(OP_START, NULL, 0, src, src_size))
 			goto out;
 		SE(SE_CRYPTO_REG_OFFSET) |= SE_CRYPTO_IV_SEL(IV_UPDATED);
 	}

-	if (src_size & 0xf)
-	{
+	if (src_size & 0xf) {
 		memcpy(last_block, src + (src_size & ~0xf), src_size & 0xf);
 		last_block[src_size & 0xf] = 0x80;
-	}
-	else if (src_size >= 0x10)
-	{
+	} else if (src_size >= 0x10) {
 		memcpy(last_block, src + src_size - 0x10, 0x10);
 	}

@@ -557,8 +447,7 @@ int se_calc_sha256(void *dst, const void *src, u32 src_size)
 	return res;
 }

-int se_calc_hmac_sha256(void *dst, const void *src, u32 src_size, const void *key, u32 key_size)
-{
+int se_calc_hmac_sha256(void *dst, const void *src, u32 src_size, const void *key, u32 key_size) {
 	int res = 0;
 	u8 *secret = (u8 *)malloc(0x40);
 	u8 *ipad = (u8 *)malloc(0x40 + src_size);
--- a/source/sec/se.h
+++ b/source/sec/se.h
@@ -25,17 +25,12 @@ void se_rsa_key_clear(u32 ks);
 int se_rsa_exp_mod(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size);
 void se_key_acc_ctrl(u32 ks, u32 flags);
 void se_aes_key_set(u32 ks, const void *key, u32 size);
-void se_aes_iv_set(u32 ks, const void *iv, u32 size);
 void se_aes_key_read(u32 ks, void *key, u32 size);
 void se_aes_key_clear(u32 ks);
-int se_initialize_rng(u32 ks);
-int se_generate_random(u32 ks, void *dst, u32 size);
-int se_generate_random_key(u32 ks_dst, u32 ks_src);
 int se_aes_unwrap_key(u32 ks_dst, u32 ks_src, const void *input);
 int se_aes_crypt_ecb(u32 ks, u32 enc, void *dst, u32 dst_size, const void *src, u32 src_size);
 int se_aes_crypt_block_ecb(u32 ks, u32 enc, void *dst, const void *src);
 int se_aes_crypt_ctr(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size, void *ctr);
-int se_aes_crypt_cbc(u32 ks, u32 enc, void *dst, u32 dst_size, const void *src, u32 src_size);
 int se_aes_xts_crypt_sec(u32 ks1, u32 ks2, u32 enc, u64 sec, void *dst, const void *src, u32 secsize);
 int se_aes_xts_crypt(u32 ks1, u32 ks2, u32 enc, u64 sec, void *dst, const void *src, u32 secsize, u32 num_secs);
 int se_aes_cmac(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size);
--- a/source/sec/tsec.c
+++ b/source/sec/tsec.c
@@ -18,7 +18,6 @@

 #include <string.h>

-#include "../hos/hos.h"
 #include "../sec/tsec.h"
 #include "../sec/tsec_t210.h"
 #include "../sec/se_t210.h"
@@ -81,7 +80,7 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)

 	kfuse_wait_ready();

-	//Configure Falcon.
+	// Configure Falcon.
 	TSEC(TSEC_DMACTL) = 0;
 	TSEC(TSEC_IRQMSET) =
 		TSEC_IRQMSET_EXT(0xFF) |
@@ -103,7 +102,7 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
 		goto out;
 	}

-	//Load firmware or emulate memio environment for newer TSEC fw.
+	// Load firmware or emulate memio environment for newer TSEC fw.
 	if (kb == KB_FIRMWARE_VERSION_620)
 		TSEC(TSEC_DMATRFBASE) = (u32)tsec_ctxt->fw >> 8;
 	else
@@ -127,7 +126,7 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
 	{
 		// Init SMMU translation for TSEC.
 		pdir = smmu_init_for_tsec();
-		smmu_init(0x4002B000);
+		smmu_init(tsec_ctxt->secmon_base);
 		// Enable SMMU
 		if (!smmu_is_used())
 			smmu_enable();
@@ -170,7 +169,7 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
 		iram = page_alloc(0x30);
 		memcpy(iram, tsec_ctxt->pkg1, 0x30000);
 		// PKG1.1 magic offset.
-		pkg11_magic_off = (u32 *)(iram + (0x7000 / 4));
+		pkg11_magic_off = (u32 *)(iram + ((tsec_ctxt->pkg11_off + 0x20) / 4));
 		smmu_map(pdir, 0x40010000, (u32)iram, 0x30, _READABLE | _WRITABLE | _NONSECURE);

 		// Exception vectors
@@ -178,7 +177,7 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
 		smmu_map(pdir, EXCP_VEC_BASE, (u32)evec, 1, _READABLE | _WRITABLE | _NONSECURE);
 	}

-	//Execute firmware.
+	// Execute firmware.
 	HOST1X(HOST1X_CH0_SYNC_SYNCPT_160) = 0x34C2E1DA;
 	TSEC(TSEC_STATUS) = 0;
 	TSEC(TSEC_BOOTKEYVER) = 1; // HOS uses key version 1.
@@ -255,7 +254,7 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
 			goto out_free;
 		}

-		//Fetch result.
+		// Fetch result.
 		HOST1X(HOST1X_CH0_SYNC_SYNCPT_160) = 0;
 		u32 buf[4];
 		buf[0] = SOR1(SOR_NV_PDISP_SOR_DP_HDCP_BKSV_LSB);
@@ -275,7 +274,7 @@ out_free:;

 out:;

-	//Disable clocks.
+	// Disable clocks.
 	clock_disable_kfuse();
 	clock_disable_sor1();
 	clock_disable_sor0();
--- a/source/sec/tsec.h
+++ b/source/sec/tsec.h
@@ -27,6 +27,8 @@ typedef struct _tsec_ctxt_t
 	void *fw;
 	u32 size;
 	void *pkg1;
+	u32 pkg11_off;
+	u32 secmon_base;
 } tsec_ctxt_t;

 typedef struct _tsec_key_data_t
--- a/source/soc/hw_init.c
+++ b/source/soc/hw_init.c
@@ -26,6 +26,7 @@
 #include "pinmux.h"
 #include "pmc.h"
 #include "t210.h"
+#include "uart.h"
 #include "../gfx/di.h"
 #include "../mem/mc.h"
 #include "../mem/minerva.h"
@@ -101,7 +102,7 @@ void _config_gpios()

 	pinmux_config_i2c(I2C_1);
 	pinmux_config_i2c(I2C_5);
-	pinmux_config_uart(0);
+	pinmux_config_uart(UART_A);

 	// Configure volume up/down as inputs.
 	gpio_config(GPIO_PORT_X, GPIO_PIN_6, GPIO_MODE_GPIO);
@@ -294,6 +295,11 @@ void config_hw()
 	APB_MISC(APB_MISC_PP_PINMUX_GLOBAL) = 0;
 	_config_gpios();

+#ifdef DEBUG_UART_PORT
+	clock_enable_uart(DEBUG_UART_PORT);
+	uart_init(DEBUG_UART_PORT, 115200);
+#endif
+
 	clock_enable_cl_dvfs();

 	clock_enable_i2c(I2C_1);
@@ -313,7 +319,6 @@ void config_hw()
 	sdram_init();

 	bpmp_mmu_enable();
-	mc_enable_ahb_redirect();

 	// Clear flags from PMC_SCRATCH0
 	PMC(APBDEV_PMC_SCRATCH0) &= ~PMC_SCRATCH0_MODE_PAYLOAD;
@@ -329,7 +334,7 @@ void reconfig_hw_workaround(bool extra_reconfig, u32 magic)

 	// Re-enable clocks to Audio Processing Engine as a workaround to hanging.
 	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_V) |= (1 << 10); // Enable AHUB clock.
-	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_Y) |= (1 <<  6);  // Enable APE clock.
+	CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_Y) |= (1 <<  6); // Enable APE clock.

 	if (extra_reconfig)
 	{
@@ -352,7 +357,7 @@ void reconfig_hw_workaround(bool extra_reconfig, u32 magic)
 	if (magic == 0xBAADF00D)
 	{
 		CLOCK(CLK_RST_CONTROLLER_CLK_OUT_ENB_L) |= (1 << 22);
-		sdmmc_init(&sd_sdmmc, SDMMC_1, SDMMC_POWER_3_3, SDMMC_BUS_WIDTH_1, 5, 0);
+		sdmmc_init(&sd_sdmmc, SDMMC_1, SDMMC_POWER_3_3, SDMMC_BUS_WIDTH_1, SDHCI_TIMING_SD_ID, 0);
 		clock_disable_cl_dvfs();

 		msleep(200);
--- a/source/tegraexplorer/common/common.h
+++ b/source/tegraexplorer/common/common.h
@@ -116,5 +116,3 @@ extern gpt_entry_rule gpt_fs_rules[];
 extern menu_entry mmcmenu_start[];

 extern menu_entry mmcmenu_filemenu[];
-
-extern menu_entry fwDump_typeMenu[];
--- a/source/tegraexplorer/common/structs.c
+++ b/source/tegraexplorer/common/structs.c
@@ -93,10 +93,3 @@ menu_entry mmcmenu_filemenu[] = {
    {"\nBack", COLOR_WHITE, {ISMENU}},
    {"Dump to SD", COLOR_YELLOW, {ISMENU}}
 };
-
-menu_entry fwDump_typeMenu[] = {
-	{"Back\n", COLOR_WHITE, {ISMENU}},
-	{"Firmware format type:", COLOR_WHITE, {ISMENU | ISSKIP}},
-	{"Daybreak (prod.keys required!)", COLOR_BLUE, {ISMENU}},
-	{"ChoiNX", COLOR_VIOLET, {ISMENU}}
-};
--- a/source/tegraexplorer/emmc/emmc.c
+++ b/source/tegraexplorer/emmc/emmc.c
@@ -219,6 +219,9 @@ int dump_biskeys(){
    //nx_emmc_gpt_parse(&sys_gpt, &storage);
    

+    se_aes_key_set(8, bis_key[2] + 0x00, 0x10);
+    se_aes_key_set(9, bis_key[2] + 0x10, 0x10);
+    
    pkg1inf.ver = pkg1_id->kb;
    strcpy(pkg1inf.id, pkg1_id->id);
    return 0;
--- a/source/tegraexplorer/fs/filemenu.c
+++ b/source/tegraexplorer/fs/filemenu.c
@@ -191,7 +191,6 @@ int filemenu(menu_entry file){
                break;
            }

-            fsreader_readfolder(currentpath);
            break;
        case FILE_PAYLOAD:
            launch_payload(fsutil_getnextloc(currentpath, file.name));
@@ -205,7 +204,6 @@ int filemenu(menu_entry file){
            */

            runScript(fsutil_getnextloc(currentpath, file.name));
-            fsreader_readfolder(currentpath);
            break;
        case FILE_HEXVIEW:
            viewbytes(fsutil_getnextloc(currentpath, file.name));
@@ -213,7 +211,6 @@ int filemenu(menu_entry file){
        case FILE_DUMPBIS:
            gfx_clearscreen();
            extract_bis_file(fsutil_getnextloc(currentpath, file.name), currentpath);
-            fsreader_readfolder(currentpath);
            hidWait();
            break;
        case FILE_SIGN:
@@ -231,5 +228,6 @@ int filemenu(menu_entry file){
            return -1;
    }

+    fsreader_readfolder(currentpath);
    return 0;
 }
--- a/source/tegraexplorer/fs/fsactions.c
+++ b/source/tegraexplorer/fs/fsactions.c
@@ -16,7 +16,7 @@ int fsact_copy(const char *locin, const char *locout, u8 options){
    FILINFO in_info;
    u64 sizeRemaining, toCopy;
    u8 *buff, toPrint = options & COPY_MODE_PRINT, toCancel = options & COPY_MODE_CANCEL;
-    u32 x, y, i = 11;
+    u32 x, y, i = 11, toSpeed;
    int res;

    gfx_con_getpos(&x, &y);
@@ -52,15 +52,18 @@ int fsact_copy(const char *locin, const char *locout, u8 options){
    sizeRemaining = f_size(&in);
    const u64 totalsize = sizeRemaining;

+    DWORD *clmt_in = f_expand_cltbl(&in, BUFSIZE / 4, 0);
+    DWORD *clmt_out = f_expand_cltbl(&out, BUFSIZE / 4, totalsize);
+
    while (sizeRemaining > 0){
        toCopy = MIN(sizeRemaining, BUFSIZE);

-        if ((res = f_read(&in, buff, toCopy, NULL))){
+        if ((res = f_read_fast(&in, buff, toCopy))){
            gfx_errDisplay("copy", res, 5);
            break;
        }

-        if ((res = f_write(&out, buff, toCopy, NULL))){
+        if ((res = f_write_fast(&out, buff, toCopy))){
            gfx_errDisplay("copy", res, 6);
            break;
        }
--- a/source/tegraexplorer/fs/keys.c
+++ b/source/tegraexplorer/fs/keys.c
@@ -1,62 +0,0 @@
-#include "keys.h"
-#include "../../utils/types.h"
-#include "../../libs/fatfs/ff.h"
-#include "../../sec/se.h"
-#include "../../mem/heap.h"
-#include "../gfx/gfxutils.h"
-#include "../../config/ini.h"
-#include "../common/common.h"
-#include <string.h>
-
-char *getKey(const char *search, link_t *inilist){
-    LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, inilist, link){
-        if (ini_sec->type == INI_CHOICE){
-            LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
-	    	{
-                if (!strcmp(search, kv->key))
-                    return kv->val;
-	    	}
-        }   
-    }
-    return NULL;
-}
-
-u8 getHexSingle(const char c) {
-    if (c >= '0' && c <= '9')
-        return c - '0';
-    if (c >= 'a' && c <= 'f')
-        return c - 'a' + 10;
-}
-
-u8 *getHex(const char *in){
-    u32 len = strlen(in), count = 0;
-    u8 *out = calloc(len / 2, sizeof(u8));
-
-    for (u32 i = 0; i < len; i += 2){
-        out[count++] = (u8)(getHexSingle(in[i]) << 4) | (getHexSingle(in[i + 1]));
-    }
-
-    return out;
-}
-
-u8 *GetKey(const char *keypath, const char *keyName){
-    LIST_INIT(inilist);
-    char *key;
-    u8 *hex = NULL;
-
-    if (!ini_parse(&inilist, keypath, false)){
-        gfx_errDisplay("GetKey", ERR_INI_PARSE_FAIL, 1);
-        goto out_free;
-    }
-
-    if ((key = getKey(keyName, &inilist)) == NULL){
-        gfx_errDisplay("GetKey", ERR_INI_PARSE_FAIL, 2);
-        goto out_free;
-    }
-
-    hex = getHex(key);
-
-out_free:;
-    list_empty(&inilist);
-    return hex;
-}
--- a/source/tegraexplorer/fs/keys.h
+++ b/source/tegraexplorer/fs/keys.h
@@ -1,4 +0,0 @@
-#pragma once
-#include "../../utils/types.h"
-
-u8 *GetKey(const char *keypath, const char *keyName);
--- a/source/tegraexplorer/fs/nca.c
+++ b/source/tegraexplorer/fs/nca.c
@@ -1,46 +0,0 @@
-#include "nca.h"
-#include "keys.h"
-#include "../../utils/types.h"
-#include "../../libs/fatfs/ff.h"
-#include "../../sec/se.h"
-#include "../../mem/heap.h"
-#include "../gfx/gfxutils.h"
-#include "../../config/ini.h"
-#include "../common/common.h"
-#include <string.h>
-
-int SetHeaderKey(){
-    u8 *header_key = GetKey("sd:/switch/prod.keys", "header_key");
-
-    if (header_key == NULL)
-        return -1;
-
-    se_aes_key_set(4, header_key + 0x00, 0x10);
-    se_aes_key_set(5, header_key + 0x10, 0x10);
-
-    return 0;
-}
-
-int GetNcaType(char *ncaPath){
-    FIL fp;
-    u32 read_bytes = 0;
-
-    if (f_open(&fp, ncaPath, FA_READ | FA_OPEN_EXISTING))
-        return -1;
-
-    u8 *dec_header = (u8*)malloc(0x600);
-
-    if (f_lseek(&fp, 0x200) || f_read(&fp, dec_header, 32, &read_bytes) || read_bytes != 32){
-        f_close(&fp);
-        free(dec_header);
-        return -1;
-    }
-
-    se_aes_xts_crypt(5,4,0,1,dec_header + 0x200, dec_header, 32, 1);
-
-    u8 ContentType = dec_header[0x205];
-    
-    f_close(&fp);
-    free(dec_header);
-    return ContentType;
-}
--- a/source/tegraexplorer/fs/nca.h
+++ b/source/tegraexplorer/fs/nca.h
@@ -1,4 +0,0 @@
-#pragma once
-
-int GetNcaType(char *ncaPath);
-int SetHeaderKey();
--- a/source/tegraexplorer/fs/savesign.c
+++ b/source/tegraexplorer/fs/savesign.c
@@ -1,5 +1,4 @@
 #include "savesign.h"
-#include "keys.h"
 #include "../../utils/types.h"
 #include "../../libs/fatfs/ff.h"
 #include "../../sec/se.h"
@@ -63,15 +62,62 @@ out_free:;
    return success;
 }

-bool save_sign(const char *keypath, const char *savepath){
-    u8 *key = GetKey(keypath, "save_mac_key");

-    if (key == NULL){
-        return false;
+char *getKey(const char *search, link_t *inilist){
+    LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, inilist, link){
+        if (ini_sec->type == INI_CHOICE){
+            LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
+	    	{
+                if (!strcmp(search, kv->key))
+                    return kv->val;
+	    	}
+        }   
+    }
+    return NULL;
+}
+
+u8 getHexSingle(const char c) {
+    if (c >= '0' && c <= '9')
+        return c - '0';
+    if (c >= 'a' && c <= 'f')
+        return c - 'a' + 10;
+}
+
+u8 *getHex(const char *in){
+    u32 len = strlen(in), count = 0;
+    u8 *out = calloc(len / 2, sizeof(u8));
+
+    for (u32 i = 0; i < len; i += 2){
+        out[count++] = (u8)(getHexSingle(in[i]) << 4) | (getHexSingle(in[i + 1]));
    }

-    if (!save_commit(savepath, key))
-        return false;
-
-    return true;
+    return out;
+}
+
+bool save_sign(const char *keypath, const char *savepath){
+    LIST_INIT(inilist);
+    char *key;
+    u8 *hex;
+    bool success = false;
+
+    if (!ini_parse(&inilist, keypath, false)){
+        gfx_errDisplay("save_sign", ERR_INI_PARSE_FAIL, 1);
+        goto out_free;
+    }
+
+    if ((key = getKey("save_mac_key", &inilist)) == NULL){
+        gfx_errDisplay("save_sign", ERR_INI_PARSE_FAIL, 2);
+        goto out_free;
+    }
+
+    hex = getHex(key);
+
+    if (!save_commit(savepath, hex))
+        goto out_free;
+
+    success = true;
+
+out_free:;
+    list_empty(&inilist);
+    return success;
 }
--- a/source/tegraexplorer/gfx/gfxutils.c
+++ b/source/tegraexplorer/gfx/gfxutils.c
@@ -23,7 +23,7 @@ void gfx_clearscreen(){
    gfx_boxGrey(0, 703, 1279, 719, 0xFF);
    gfx_boxGrey(0, 0, 1279, 15, 0xFF);
    gfx_con_setpos(0, 0);
-    gfx_printf("Tegraexplorer v2.0.4 | Battery: %3d%%\n", battery >> 8);
+    gfx_printf("Tegraexplorer v2.0.2 | Battery: %3d%%\n", battery >> 8);

    RESETCOLOR;
 }
--- a/source/tegraexplorer/gfx/menu.c
+++ b/source/tegraexplorer/gfx/menu.c
@@ -18,9 +18,6 @@ extern bool sd_inited;
 #pragma GCC optimize ("O2")

 void _printentry(menu_entry *entry, bool highlighted, bool refresh, const char *path){
-    if (entry->isHide)
-        return;
-
    u32 color = (entry->isMenu) ? entry->storage : ((entry->isDir) ? COLOR_WHITE : COLOR_VIOLET);

    SWAPALLCOLOR((highlighted) ? COLOR_DEFAULT : color, (highlighted) ? color : COLOR_DEFAULT);
@@ -65,7 +62,7 @@ void _printentry(menu_entry *entry, bool highlighted, bool refresh, const char *

 bool disableB = false;
 int menu_make(menu_entry *entries, int amount, const char *toptext){
-    int currentpos = 0, offset = 0, delay = 300, minscreen = 0, calculatedamount = 0, cursub = 0, temp;
+    int currentpos = 0, offset = 0, delay = 300, minscreen = 0, maxscreen = 39, calculatedamount = 0;
    u32 scrolltimer, timer, sideY;
    bool refresh = true;
    Inputs *input = hidRead();
@@ -98,53 +95,56 @@ int menu_make(menu_entry *entries, int amount, const char *toptext){
        gfx_sideprintf("\n\n\n");
    }

-    for (;;){
+    gfx_drawScrollBar(minscreen, maxscreen, amount);
+
+    while (!(input->a)){
        gfx_con_setpos(0, 48);
        timer = get_tmr_ms();

-        if (!currentpos)
-            cursub = 1;
-        else if (currentpos == amount - 1)
-            cursub = -1;
-        else
-            cursub = 0;
+        if (!currentpos){
+            while (currentpos < amount && entries[currentpos].property & (ISSKIP | ISHIDE))
+                currentpos++;
+        }
+        if (currentpos == amount - 1){
+            while (currentpos >= 1 && entries[currentpos].property & (ISSKIP | ISHIDE))
+                currentpos--;
+        }

-        while (entries[currentpos].property & (ISSKIP | ISHIDE))
-                currentpos += cursub;
-        
-
-        if (currentpos > (minscreen + SCREENMAXOFFSET)){
-            offset += currentpos - (minscreen + SCREENMAXOFFSET);
-            minscreen += currentpos - (minscreen + SCREENMAXOFFSET);
+        if (currentpos > maxscreen){
+            offset += currentpos - maxscreen;
+            minscreen += currentpos - maxscreen;
+            maxscreen += currentpos - maxscreen;
            refresh = true;
        }
-        else if (currentpos < minscreen){
+
+        if (currentpos < minscreen){
            offset -= minscreen - currentpos;
+            maxscreen -= minscreen - currentpos;
            minscreen -= minscreen - currentpos;      
            refresh = true;
        }

-
        if (refresh || currentfolder == NULL || !calculatedamount){
-            for (int i = 0 + offset; i < amount && i < SCREENMAXOFFSET + 1 + offset; i++)
-                _printentry(&entries[i], (i == currentpos), refresh, toptext);
+            for (int i = 0 + offset; i < amount && i < 40 + offset; i++)
+                if (!(entries[i].isHide))
+                    _printentry(&entries[i], (i == currentpos), refresh, toptext);
        }
        else {
-            temp = (currentpos - minscreen > 0) ? 0 : 16;
-            gfx_con_setpos(0, 32 + temp + (currentpos - minscreen) * 16);
-
-            if (!temp)
+            if (currentpos - minscreen > 0){
+                gfx_con_setpos(0, 32 + (currentpos - minscreen) * 16);
                _printentry(&entries[currentpos - 1], false, false, toptext);
+            }
+            else
+                gfx_con_setpos(0, 48 + (currentpos - minscreen) * 16);

            _printentry(&entries[currentpos], true, false, toptext);

-            if (currentpos < MIN(amount - 1, minscreen + SCREENMAXOFFSET))
+            if (currentpos < amount - 1 && currentpos < maxscreen)
                _printentry(&entries[currentpos + 1], false, false, toptext);
        }

        RESETCOLOR;

-
        sideY = gfx_sideGetY();
        if (!(entries[currentpos].isMenu)){
            gfx_sideprintf("Current selection:\n");
@@ -158,14 +158,12 @@ int menu_make(menu_entry *entries, int amount, const char *toptext){
            gfx_boxGrey(800, sideY, 1279, sideY + 48, 0x1B);

        gfx_con_setpos(0, 703);
-        SWAPALLCOLOR(COLOR_DEFAULT, COLOR_WHITE);
+        SWAPCOLOR(COLOR_DEFAULT);
+        SWAPBGCOLOR(COLOR_WHITE);
        gfx_printf("Time taken for screen draw: %dms  ", get_tmr_ms() - timer);

        if (refresh)
-            gfx_drawScrollBar(minscreen, minscreen + SCREENMAXOFFSET, amount);
-
-        refresh = false;
-
+            gfx_drawScrollBar(minscreen, maxscreen, amount);

        while (hidRead()->buttons & (KEY_B | KEY_A));

@@ -184,12 +182,14 @@ int menu_make(menu_entry *entries, int amount, const char *toptext){
                continue;
            }

+            
            if (input->buttons & (KEY_RDOWN | KEY_RUP)){
                delay = 1;
                input->Lup = input->Rup;
                input->Ldown = input->Rdown;
            }
            
+
            if (delay < 300){
                if (scrolltimer + delay < get_tmr_ms()){
                    break;
@@ -200,32 +200,27 @@ int menu_make(menu_entry *entries, int amount, const char *toptext){
            }
        }

+        if (delay > 46)
+            delay -= 45;

-        if (input->a){
-            break;
+        if (input->Lup && currentpos >= 1){
+            currentpos--;
+            while(entries[currentpos].property & (ISSKIP | ISHIDE) && currentpos >= 1)
+                currentpos--;
        }
-        if (input->b && !disableB){
+            
+        else if (input->Ldown && currentpos < amount - 1){
+            currentpos++;
+            while(entries[currentpos].property & (ISSKIP | ISHIDE) && currentpos < amount - 1)
+                currentpos++;
+        }
+
+        else if (input->b && !disableB){
            currentpos = 0;
            break;
        }

-
-        if (delay > 46)
-            delay -= 45;
-
-
-        if (input->Lup && currentpos > 0)
-            cursub = -1;
-        else if (input->Ldown && currentpos < amount - 1)
-            cursub = 1;
-        else
-            cursub = 0;
-
-        if (cursub){
-            do {
-                currentpos += cursub;
-            } while (currentpos < amount - 1 && currentpos > 0 && entries[currentpos].property & (ISSKIP | ISHIDE));
-        }
+        refresh = false;
    }

    minerva_periodic_training();
--- a/source/tegraexplorer/gfx/menu.h
+++ b/source/tegraexplorer/gfx/menu.h
@@ -1,6 +1,4 @@
 #pragma once
 #include "../common/types.h"

-#define SCREENMAXOFFSET 39
-
 int menu_make(menu_entry *entries, int amount, const char *toptext);
--- a/source/tegraexplorer/mainmenu.c
+++ b/source/tegraexplorer/mainmenu.c
@@ -60,10 +60,7 @@ void MainMenu_Tools(){
            displaygpio();
            break;
        case TOOLS_DUMPFIRMWARE:
-            res = menu_make(fwDump_typeMenu, 4, "-- Fw Type --");
-            if (res >= 2)
-                dumpfirmware(SYSMMC, (res == 2));
-
+            dumpfirmware(SYSMMC);
            break;
    }
 }
--- a/source/tegraexplorer/script/functions.c
+++ b/source/tegraexplorer/script/functions.c
@@ -288,7 +288,6 @@ int part_Pause(){
    str_int_add("@BTN_DOWN", input->Ldown);
    str_int_add("@BTN_LEFT", input->Lleft);
    str_int_add("@BTN_RIGHT", input->Lright);
-    str_int_add("@JOYCONN", hidConnected());
    
    return input->buttons;
 }
@@ -551,59 +550,7 @@ int part_getPos(){
    return (int)f_tell(&scriptin);
 }

-int part_subString(){
-    char *str, *sub;
-    int start, size;

-    if (parseStringInput(argv[0], &str))
-        return INFUNC_FAIL;
-    if (parseIntInput(argv[1], &start))
-        return INFUNC_FAIL;
-    if (parseIntInput(argv[2], &size))
-        return INFUNC_FAIL;
-    if (argv[3][0] != '$')
-        return INFUNC_FAIL;
-
-    if (start >= strlen(str))
-        return INFUNC_FAIL;
-
-    sub = utils_copyStringSize(str + start, size);
-    str_str_add(argv[3], sub);
-    free(sub);
-    return 0;
-}
-
-int part_inputString(){
-    char *start, *out;
-    int len;
-
-    if (parseStringInput(argv[0], &start))
-        return INFUNC_FAIL;
-    if (parseIntInput(argv[1], &len))
-        return INFUNC_FAIL;
-    if (argv[2][0] != '$')
-        return INFUNC_FAIL;
-
-    if (len > 39)
-        return INFUNC_FAIL;
-
-    out = utils_InputText(start, len);
-    if (out == NULL)
-        return 1;
-
-    str_str_add(argv[2], out);
-    free(out);
-    return 0;
-}
-
-int part_strLen(){
-    char *in;
-
-    if (parseStringInput(argv[0], &in))
-        return INFUNC_FAIL;
-
-    return strlen(in);
-}

 str_fnc_struct functions[] = {
    {"printf", part_printf, 255},
@@ -621,9 +568,6 @@ str_fnc_struct functions[] = {
    {"setColor", part_setColor, 1},
    {"combineStrings", part_addstrings, 3},
    {"compareStrings", part_stringcompare, 2},
-    {"subString", part_subString, 4},
-    {"inputString", part_inputString, 3},
-    {"stringLength", part_strLen, 1},
    {"invert", part_invert, 1},
    {"fs_exists", part_fs_exists, 1},
    {"fs_move", part_fs_Move, 2},
--- a/source/tegraexplorer/script/parser.c
+++ b/source/tegraexplorer/script/parser.c
@@ -16,15 +16,15 @@
 #include "variables.h"
 #include "../fs/fsreader.h"
 #include "../utils/utils.h"
-#include "../../hid/hid.h"

-int countchars(const char* in, char target) {
+u32 countchars(char* in, char target) {
    u32 len = strlen(in);
    u32 count = 0;
-    
    for (u32 i = 0; i < len; i++) {
        if (in[i] == '"'){
-            while (in[++i] != '"'){
+            i++;
+            while (in[i] != '"'){
+                i++;
                if (i >= len)
                    return -1;
            }
@@ -32,55 +32,55 @@ int countchars(const char* in, char target) {
        if (in[i] == target)
            count++;
    }
-
    return count;
 }

 char **argv = NULL;
 u32 argc;
-u32 splitargs(const char* in) {
+u32 splitargs(char* in) {
    // arg like '5, "6", @arg7'
-    u32 i = 0, count = 1, len = strlen(in), curcount = 0, begin, end;
+    u32 i, current = 0, count = 1, len = strlen(in), curcount = 0;

-    count += countchars(in, ',');
-
-    if (!count)
+    if ((count += countchars(in, ',')) < 0){
        return 0;
+    }
+
+    /*
+    if (argv != NULL) {
+        for (i = 0; argv[i] != NULL; i++)
+            free(argv[i]);
+        free(argv);
+    }
+    */
        
    argv = calloc(count + 1, sizeof(char*));

-    while (i < len && curcount < count) {
-        if (in[i] == ' ' || in[i] == ','){
-            i++;
-            continue;
+    for (i = 0; i < count; i++)
+        argv[i] = calloc(96, sizeof(char));
+    
+
+    for (i = 0; i < len && curcount < count; i++) {
+        if (in[i] == ',') {
+            curcount++;
+            current = 0;
        }
-        
-        begin = i;
-
-        while (strrchr(" ,)", in[i]) == NULL){
-            if (in[i] == '"'){
-                begin = i + 1;
-                while (in[++i] != '"'){
-                    if (in[i] == '\0')
-                        return 0;
-                }
+        else if (in[i] == '@' || in[i] == '$') {
+            while (strrchr(", )", in[i]) == NULL && i < len) {
+                argv[curcount][current++] = in[i++];
            }
-
-            if (in[i] == '\0')
-                return 0;
-
+            i--;
+        }
+        //else if ((in[i] >= '0' && in[i] <= '9') || (in[i] >= '<' && in[i] <= '>') || in[i] == '+' || in[i] == '-' || in[i] == '*' || in[i] == '/')
+        else if (strrchr("0123456789<=>+-*/", in[i]) != NULL)
+            argv[curcount][current++] = in[i];
+        else if (in[i] == '"') {
            i++;
+            while (in[i] != '"') {
+                argv[curcount][current++] = in[i++];
+            }
        }
-
-        end = i;
-
-        if (in[i - 1] == '"'){
-            end--;
-        }
-            
-        argv[curcount++] = utils_copyStringSize(in + begin, (u32)(end - begin));
    }
-    return curcount;
+    return count;
 }

 FIL scriptin;
@@ -202,6 +202,17 @@ void mainparser(){
        getnextvalidchar();
    }

+    /*
+    if (currentchar == '?'){
+        char *jumpname;
+        jumpname = readtilchar(';', ' ');
+        getnextchar();
+        str_jmp_add(jumpname, f_tell(&scriptin));
+        getfollowingchar('\n');
+        return;
+    }
+    */
+
    functionparser();

    res = run_function(funcbuff, &out);
@@ -275,7 +286,9 @@ void runScript(char *path){
    gfx_clearscreen();
    utils_copystring(path, &path_local);

+
    res = f_open(&scriptin, path, FA_READ | FA_OPEN_EXISTING);
+    DWORD *clmt_in = f_expand_cltbl(&scriptin, BUFSIZE / 4, 0);
    if (res != FR_OK){
        gfx_errDisplay("ParseScript", res, 1);
        return;
@@ -286,7 +299,6 @@ void runScript(char *path){
    //add builtin vars
    str_int_add("@EMUMMC", emu_cfg.enabled);
    str_int_add("@RESULT", 0);
-    str_int_add("@JOYCONN", hidConnected());
    str_str_add("$CURRENTPATH", currentpath);

    //str_int_printall();
--- a/source/tegraexplorer/utils/tools.c
+++ b/source/tegraexplorer/utils/tools.c
@@ -17,7 +17,6 @@
 #include "../fs/fsutils.h"
 #include "../../mem/heap.h"
 #include "../utils/utils.h"
-#include "../fs/nca.h"

 extern bool sd_mount();
 extern void sd_unmount();
@@ -94,9 +93,7 @@ void displaygpio(){
    }
 }

-
-// bad code ahead aaaa
-int dumpfirmware(int mmc, bool daybreak){
+int dumpfirmware(int mmc){
    DIR dir;
    FILINFO fno;
    bool fail = false;
@@ -110,22 +107,6 @@ int dumpfirmware(int mmc, bool daybreak){
    connect_mmc(mmc);
    mount_mmc("SYSTEM", 2);

-    if (daybreak){
-        if (!fsutil_checkfile("sd:/switch/prod.keys")){
-            SWAPCOLOR(COLOR_RED);
-            gfx_printf("prod.keys not found.\nPress any button to exit");
-            hidWait();
-            return true;
-        }
-
-        if (SetHeaderKey()){
-            SWAPCOLOR(COLOR_RED);
-            gfx_printf("Failed to find header key.\nPress any button to exit");
-            hidWait();
-            return true;
-        }
-    }
-
    gfx_printf("PKG1 version: %d\n", pkg1.ver);

    gfx_printf("Creating folders...\n");
@@ -134,24 +115,7 @@ int dumpfirmware(int mmc, bool daybreak){

    sdbase = calloc(32 + strlen(pkg1.id), sizeof(char));
    sprintf(sdbase, "sd:/tegraexplorer/Firmware/%d (%s)", pkg1.ver, pkg1.id);
-
-    if (fsutil_checkfile(sdbase)){
-        SWAPCOLOR(COLOR_RED);
-        gfx_printf("Destination folder already exists.\nPress X to delete this folder, any other button to cancel\nPath: %s", sdbase);
-        
-        Inputs *input = hidWait();
-        if (!input->x){
-            free(sdbase);
-            return true;
-        }
-        else {
-            SWAPCOLOR(COLOR_WHITE);
-            gfx_printf("\nDeleting folder..\n");
-            fsact_del_recursive(sdbase);
-        }
-    }
-
-    gfx_printf("\rOut: %s\n", sdbase);
+    gfx_printf("Out: %s\n", sdbase);
    f_mkdir(sdbase);

    if ((ret = f_opendir(&dir, sysbase)))
@@ -163,39 +127,16 @@ int dumpfirmware(int mmc, bool daybreak){
    printerrors = 0;

    while(!f_readdir(&dir, &fno) && fno.fname[0] && !fail){
+        utils_copystring(fsutil_getnextloc(sdbase, fno.fname), &sdpath);
        utils_copystring(fsutil_getnextloc(sysbase, fno.fname), &syspathtemp);
    
        if (fno.fattrib & AM_DIR){
            utils_copystring(fsutil_getnextloc(syspathtemp, "00"), &syspath);
+            free(syspathtemp);
        }
        else
            syspath = syspathtemp;

-        if (daybreak){
-            u8 ContentType = GetNcaType(syspath);
-
-            if (ContentType < 0){
-                fail = true;
-                continue;
-            }
-
-            char *temp;
-            utils_copystring(fsutil_getnextloc(sdbase, fno.fname), &temp);
-            
-            if (ContentType == 0x01){
-                sdpath = calloc(strlen(temp) + 6, 1);
-                strcpy(sdpath, temp);
-                memcpy(sdpath + strlen(temp) - 4, ".cnmt.nca", 10);
-                free(temp);
-            }
-            else {
-                sdpath = temp;
-            }
-        }
-        else
-            utils_copystring(fsutil_getnextloc(sdbase, fno.fname), &sdpath);
-
-
        ret = fsact_copy(syspath, sdpath, 0);

        gfx_printf("%d %s\r", ++amount, fno.fname);
@@ -204,9 +145,7 @@ int dumpfirmware(int mmc, bool daybreak){
            fail = true;

        free(sdpath);
-        free(syspathtemp);
-        if (syspath != syspathtemp)
-            free(syspath);
+        free(syspath);
    }

    printerrors = 1;
--- a/source/tegraexplorer/utils/tools.h
+++ b/source/tegraexplorer/utils/tools.h
@@ -1,7 +1,6 @@
 #pragma once
-#include "../../utils/types.h"

 void displayinfo();
 void displaygpio();
 int format(int mode);
-int dumpfirmware(int mmc, bool daybreak);
+int dumpfirmware(int mmc);
--- a/source/tegraexplorer/utils/utils.c
+++ b/source/tegraexplorer/utils/utils.c
@@ -193,13 +193,3 @@ char *utils_InputText(char *start, int maxLen){

    return buff;
 }
-
-char *utils_copyStringSize(const char *in, int size){
-    if (size > strlen(in) || size < 0)
-        size = strlen(in);
-
-    char *out = calloc(size + 1, 1);
-    //strncpy(out, in, size);
-    memcpy(out, in, size);
-    return out;
-}
--- a/source/tegraexplorer/utils/utils.h
+++ b/source/tegraexplorer/utils/utils.h
@@ -24,4 +24,3 @@ int utils_mmcMenu();
 void utils_copystring(const char *in, char **out);
 char *utils_InputText(char *start, int maxLen);
 void utils_takeScreenshot();
-char *utils_copyStringSize(const char *in, int size);