diff --git a/ctrtool/ivfc.c b/ctrtool/ivfc.c
index 90df381..fb7a5f0 100644
--- a/ctrtool/ivfc.c
+++ b/ctrtool/ivfc.c
@@ -31,11 +31,47 @@ void ivfc_set_file(ivfc_context* ctx, FILE* file)
 	ctx->file = file;
 }
 
+void ivfc_set_encrypted(ivfc_context* ctx, u32 encrypted)
+{
+	ctx->encrypted = encrypted;
+}
+
+void ivfc_set_key(ivfc_context* ctx, u8 key[16])
+{
+	memcpy(ctx->key, key, 16);
+}
+
+void ivfc_set_counter(ivfc_context* ctx, u8 counter[16])
+{
+	memcpy(ctx->counter, counter, 16);
+}
+
+void ivfc_fseek(ivfc_context* ctx, u64 offset)
+{
+	u64 data_pos = offset - ctx->offset;
+	fseeko64(ctx->file, offset, SEEK_SET);
+	ctr_init_counter(&ctx->aes, ctx->key, ctx->counter);
+	ctr_add_counter(&ctx->aes, data_pos / 0x10);
+}
+
+size_t ivfc_fread(ivfc_context* ctx, void* buffer, size_t size, size_t count)
+{
+	size_t read;
+	if ((read = fread(buffer, size, count, ctx->file)) != count) {
+		//printf("ivfc_fread() fail\n");
+		return read;
+	}
+	if (ctx->encrypted) {
+		ctr_crypt_counter(&ctx->aes, buffer, buffer, size*read);
+	}
+	return read;
+}
+
 
 void ivfc_process(ivfc_context* ctx, u32 actions)
 {
-	fseeko64(ctx->file, ctx->offset, SEEK_SET);
-	fread(&ctx->header, 1, sizeof(ivfc_header), ctx->file);
+	ivfc_fseek(ctx, ctx->offset);
+	ivfc_fread(ctx, &ctx->header, 1, sizeof(ivfc_header));
 
 	if (getle32(ctx->header.magic) != MAGIC_IVFC)
 	{
@@ -45,25 +81,23 @@ void ivfc_process(ivfc_context* ctx, u32 actions)
 
 	if (getle32(ctx->header.id) == 0x10000)
 	{
-		fread(&ctx->romfsheader, 1, sizeof(ivfc_header_romfs), ctx->file);
-
 		ctx->levelcount = 3;
 
-		ctx->level[2].hashblocksize = 1 << getle32(ctx->romfsheader.level3.blocksize);
-		ctx->level[1].hashblocksize = 1 << getle32(ctx->romfsheader.level2.blocksize);
-		ctx->level[0].hashblocksize = 1 << getle32(ctx->romfsheader.level1.blocksize);
+		ctx->level[2].hashblocksize = 1 << getle32(ctx->header.level3.blocksize);
+		ctx->level[1].hashblocksize = 1 << getle32(ctx->header.level2.blocksize);
+		ctx->level[0].hashblocksize = 1 << getle32(ctx->header.level1.blocksize);
 
-		ctx->bodyoffset = align64(IVFC_HEADER_SIZE + getle32(ctx->romfsheader.masterhashsize), ctx->level[2].hashblocksize);
-		ctx->bodysize = getle64(ctx->romfsheader.level3.hashdatasize);
+		ctx->bodyoffset = align64(IVFC_HEADER_SIZE + getle32(ctx->header.masterhashsize), ctx->level[2].hashblocksize);
+		ctx->bodysize = getle64(ctx->header.level3.hashdatasize);
 		
 		ctx->level[2].dataoffset = ctx->bodyoffset;
 		ctx->level[2].datasize = align64(ctx->bodysize, ctx->level[2].hashblocksize);
 
 		ctx->level[0].dataoffset = ctx->level[2].dataoffset + ctx->level[2].datasize;
-		ctx->level[0].datasize = align64(getle64(ctx->romfsheader.level1.hashdatasize), ctx->level[0].hashblocksize);
+		ctx->level[0].datasize = align64(getle64(ctx->header.level1.hashdatasize), ctx->level[0].hashblocksize);
 
 		ctx->level[1].dataoffset = ctx->level[0].dataoffset + ctx->level[0].datasize;
-		ctx->level[1].datasize = align64(getle64(ctx->romfsheader.level2.hashdatasize), ctx->level[1].hashblocksize);
+		ctx->level[1].datasize = align64(getle64(ctx->header.level2.hashdatasize), ctx->level[1].hashblocksize);
 
 		ctx->level[0].hashoffset = IVFC_HEADER_SIZE;
 		ctx->level[1].hashoffset = ctx->level[0].dataoffset;
@@ -125,8 +159,8 @@ void ivfc_read(ivfc_context* ctx, u64 offset, u64 size, u8* buffer)
 		return;
 	}
 
-	fseeko64(ctx->file, ctx->offset + offset, SEEK_SET);
-	if (size != fread(buffer, 1, size, ctx->file))
+	ivfc_fseek(ctx, ctx->offset + offset);
+	if (size != ivfc_fread(ctx, buffer, 1, size))
 	{
 		fprintf(stderr, "Error, IVFC could not read file\n");
 		return;
diff --git a/ctrtool/ivfc.h b/ctrtool/ivfc.h
index 5c0aa1b..9662f45 100644
--- a/ctrtool/ivfc.h
+++ b/ctrtool/ivfc.h
@@ -2,18 +2,13 @@
 #define __IVFC_H__
 
 #include "types.h"
+#include "ctr.h"
 #include "settings.h"
 
 #define IVFC_HEADER_SIZE 0x60
 #define IVFC_MAX_LEVEL 4
 #define IVFC_MAX_BUFFERSIZE 0x4000
 
-typedef struct
-{
-	u8 magic[4];
-	u8 id[4];
-} ivfc_header;
-
 typedef struct
 {
 	u8 logicaloffset[8];
@@ -33,13 +28,15 @@ typedef struct
 
 typedef struct
 {
+	u8 magic[4];
+	u8 id[4];
 	u8 masterhashsize[4];
 	ivfc_levelheader level1;
 	ivfc_levelheader level2;
 	ivfc_levelheader level3;
 	u8 reserved[4];
 	u8 optionalsize[4];
-} ivfc_header_romfs;
+} ivfc_header;
 
 typedef struct
 {
@@ -47,9 +44,12 @@ typedef struct
 	u64 offset;
 	u64 size;
 	settings* usersettings;
+	u8 counter[16];
+	u8 key[16];
+	ctr_aes_context aes;
+	int encrypted;
 
 	ivfc_header header;
-	ivfc_header_romfs romfsheader;
 
 	u32 levelcount;
 	ivfc_level level[IVFC_MAX_LEVEL];
@@ -64,6 +64,12 @@ void ivfc_set_offset(ivfc_context* ctx, u64 offset);
 void ivfc_set_size(ivfc_context* ctx, u64 size);
 void ivfc_set_file(ivfc_context* ctx, FILE* file);
 void ivfc_set_usersettings(ivfc_context* ctx, settings* usersettings);
+void ivfc_set_encrypted(ivfc_context* ctx, u32 encrypted);
+void ivfc_set_key(ivfc_context* ctx, u8 key[16]);
+void ivfc_set_counter(ivfc_context* ctx, u8 counter[16]);
+void ivfc_fseek(ivfc_context* ctx, u64 offset);
+size_t ivfc_fread(ivfc_context* ctx, void* buffer, size_t size, size_t count);
+
 void ivfc_verify(ivfc_context* ctx, u32 flags);
 void ivfc_print(ivfc_context* ctx);
 
diff --git a/ctrtool/main.c b/ctrtool/main.c
index 25b688d..4a7199b 100644
--- a/ctrtool/main.c
+++ b/ctrtool/main.c
@@ -64,11 +64,14 @@ static void usage(const char *argv0)
 		   "  --lzssout=file	 Specify lzss output file\n"
 		   "CXI/CCI options:\n"
 		   "  -n, --ncch=index   Specify NCCH partition index.\n"
+		   "  --exheader=file    Specify Extended Header file path.\n"
+		   "  --logo=file        Specify Logo file path.\n"
+		   "  --plainrgn=file    Specify Plain region file path"
 		   "  --exefs=file       Specify ExeFS file path.\n"
 		   "  --exefsdir=dir     Specify ExeFS directory path.\n"
 		   "  --romfs=file       Specify RomFS file path.\n"
-		   "  --exheader=file    Specify Extended Header file path.\n"
-		   "  --logo=file        Specify Logo file path.\n"
+		   "  --romfsdir=dir     Specify RomFS directory path.\n"
+		   "  --listromfs        List files in RomFS.\n" 
 		   "CIA options:\n"
 		   "  --certs=file       Specify Certificate chain file path.\n"
 		   "  --tik=file         Specify Ticket file path.\n"
@@ -83,9 +86,6 @@ static void usage(const char *argv0)
 		   "EXEFS options:\n"
 		   "  --decompresscode   Decompress .code section\n"
 		   "                     (only needed when using raw EXEFS file)\n"
-		   "ROMFS options:\n"
-		   "  --romfsdir=dir     Specify RomFS directory path.\n"
-		   "  --listromfs        List files in RomFS.\n"
            "\n",
 		   __TIME__, __DATE__, argv0);
    exit(1);
@@ -149,6 +149,7 @@ int main(int argc, char* argv[])
 			{"logo", 1, NULL, 20},
 			{"decompresscode", 0, NULL, 21},
 			{"titlekey", 1, NULL, 22},
+			{"plainrgn", 1, NULL, 23},
 			{NULL},
 		};
 
@@ -237,6 +238,7 @@ int main(int argc, char* argv[])
 			case 20: settings_set_logo_path(&ctx.usersettings, optarg); break;
 			case 21: ctx.actions |= DecompressCodeFlag; break;
 			case 22: keyset_parse_titlekey(&tmpkeys, optarg, strlen(optarg)); break;
+			case 23: settings_set_plainrgn_path(&ctx.usersettings, optarg); break;
 
 			default:
 				usage(argv[0]);
@@ -452,6 +454,7 @@ int main(int argc, char* argv[])
 			romfs_set_file(&romfsctx, ctx.infile);
 			romfs_set_size(&romfsctx, ctx.infilesize);
 			romfs_set_usersettings(&romfsctx, &ctx.usersettings);
+			romfs_set_encrypted(&romfsctx, 0);
 			romfs_process(&romfsctx, ctx.actions);
 	
 			break;
diff --git a/ctrtool/ncch.c b/ctrtool/ncch.c
index 991afc3..7c06b23 100644
--- a/ctrtool/ncch.c
+++ b/ctrtool/ncch.c
@@ -116,6 +116,13 @@ int ncch_extract_prepare(ncch_context* ctx, u32 type, u32 flags)
 		}
 		break;
 
+		case NCCHTYPE_PLAINRGN:
+		{
+			offset = ncch_get_plainrgn_offset(ctx);
+			size = ncch_get_plainrgn_size(ctx);
+		}
+		break;
+
 		default:
 		{
 			fprintf(stderr, "Error invalid NCCH type\n");
@@ -181,6 +188,7 @@ void ncch_save(ncch_context* ctx, u32 type, u32 flags)
 		case NCCHTYPE_ROMFS: path = settings_get_romfs_path(ctx->usersettings); break;
 		case NCCHTYPE_EXHEADER: path = settings_get_exheader_path(ctx->usersettings); break;
 		case NCCHTYPE_LOGO: path = settings_get_logo_path(ctx->usersettings); break;
+		case NCCHTYPE_PLAINRGN: path = settings_get_plainrgn_path(ctx->usersettings); break;
 	}
 
 	if (path == 0 || path->valid == 0)
@@ -199,13 +207,14 @@ void ncch_save(ncch_context* ctx, u32 type, u32 flags)
 		case NCCHTYPE_ROMFS: fprintf(stdout, "Saving RomFS...\n"); break;
 		case NCCHTYPE_EXHEADER: fprintf(stdout, "Saving Extended Header...\n"); break;
 		case NCCHTYPE_LOGO: fprintf(stdout, "Saving Logo...\n"); break;
+		case NCCHTYPE_PLAINRGN: fprintf(stdout, "Saving Plain Region...\n"); break;
 	}
 
 	while(1)
 	{
 		u32 read_len;
 
-		if (0 == ncch_extract_buffer(ctx, buffer, sizeof(buffer), &read_len, type == NCCHTYPE_LOGO))
+		if (0 == ncch_extract_buffer(ctx, buffer, sizeof(buffer), &read_len, type == NCCHTYPE_LOGO || type == NCCHTYPE_PLAINRGN))
 			goto clean;
 
 		if (read_len == 0)
@@ -304,6 +313,7 @@ void ncch_process(ncch_context* ctx, u32 actions)
 {
 	u8 exheadercounter[16];
 	u8 exefscounter[16];
+	u8 romfscounter[16];
 	int result = 1;
 
 
@@ -320,6 +330,7 @@ void ncch_process(ncch_context* ctx, u32 actions)
 
 	ncch_get_counter(ctx, exheadercounter, NCCHTYPE_EXHEADER);
 	ncch_get_counter(ctx, exefscounter, NCCHTYPE_EXEFS);
+	ncch_get_counter(ctx, romfscounter, NCCHTYPE_ROMFS);
 
 
 	exheader_set_file(&ctx->exheader, ctx->file);
@@ -342,6 +353,14 @@ void ncch_process(ncch_context* ctx, u32 actions)
 	exefs_set_key(&ctx->exefs, ctx->key);
 	exefs_set_encrypted(&ctx->exefs, ctx->encrypted);
 
+	romfs_set_file(&ctx->romfs, ctx->file);
+	romfs_set_offset(&ctx->romfs, ncch_get_romfs_offset(ctx));
+	romfs_set_size(&ctx->romfs, ncch_get_romfs_size(ctx));
+	romfs_set_usersettings(&ctx->romfs, ctx->usersettings);
+	romfs_set_counter(&ctx->romfs, romfscounter);
+	romfs_set_key(&ctx->romfs, ctx->key);
+	romfs_set_encrypted(&ctx->romfs, ctx->encrypted);
+
 	exheader_read(&ctx->exheader, actions);
 
 
@@ -357,6 +376,7 @@ void ncch_process(ncch_context* ctx, u32 actions)
 		ncch_save(ctx, NCCHTYPE_ROMFS, actions);
 		ncch_save(ctx, NCCHTYPE_EXHEADER, actions);
 		ncch_save(ctx, NCCHTYPE_LOGO, actions);
+		ncch_save(ctx, NCCHTYPE_PLAINRGN, actions);
 	}
 
 
@@ -374,6 +394,11 @@ void ncch_process(ncch_context* ctx, u32 actions)
 			exefs_set_compressedflag(&ctx->exefs, exheader_get_compressedflag(&ctx->exheader));
 		exefs_process(&ctx->exefs, actions);
 	}
+
+	if (result && ncch_get_romfs_size(ctx))
+	{
+		romfs_process(&ctx->romfs, actions);
+	}
 }
 
 int ncch_signature_verify(ncch_context* ctx, rsakey2048* key)
@@ -425,6 +450,17 @@ u64 ncch_get_logo_size(ncch_context* ctx)
 	return getle32(ctx->header.logosize) * ncch_get_mediaunit_size(ctx);
 }
 
+u64 ncch_get_plainrgn_offset(ncch_context* ctx)
+{
+	return ctx->offset + getle32(ctx->header.plainregionoffset) * ncch_get_mediaunit_size(ctx);
+}
+
+u64 ncch_get_plainrgn_size(ncch_context* ctx)
+{
+	return getle32(ctx->header.plainregionsize) * ncch_get_mediaunit_size(ctx);
+}
+
+
 u64 ncch_get_mediaunit_size(ncch_context* ctx)
 {
 	unsigned int mediaunitsize = settings_get_mediaunit_size(ctx->usersettings);
diff --git a/ctrtool/ncch.h b/ctrtool/ncch.h
index 4bad2be..64dc490 100644
--- a/ctrtool/ncch.h
+++ b/ctrtool/ncch.h
@@ -7,6 +7,7 @@
 #include "filepath.h"
 #include "ctr.h"
 #include "exefs.h"
+#include "romfs.h"
 #include "exheader.h"
 #include "settings.h"
 
@@ -16,6 +17,7 @@ typedef enum
 	NCCHTYPE_EXEFS = 2,
 	NCCHTYPE_ROMFS = 3,
 	NCCHTYPE_LOGO = 4,
+	NCCHTYPE_PLAINRGN = 5,
 } ctr_ncchtypes;
 
 typedef struct
@@ -63,6 +65,7 @@ typedef struct
 	ctr_ncchheader header;
 	ctr_aes_context aes;
 	exefs_context exefs;
+	romfs_context romfs;
 	exheader_context exheader;
 	int exefshashcheck;
 	int romfshashcheck;
@@ -87,6 +90,8 @@ u64 ncch_get_exheader_offset(ncch_context* ctx);
 u64 ncch_get_exheader_size(ncch_context* ctx);
 u64 ncch_get_logo_offset(ncch_context* ctx);
 u64 ncch_get_logo_size(ncch_context* ctx);
+u64 ncch_get_plainrgn_offset(ncch_context* ctx);
+u64 ncch_get_plainrgn_size(ncch_context* ctx);
 void ncch_print(ncch_context* ctx);
 int ncch_signature_verify(ncch_context* ctx, rsakey2048* key);
 void ncch_verify(ncch_context* ctx, u32 flags);
diff --git a/ctrtool/romfs.c b/ctrtool/romfs.c
index 05ce5c6..5889bdc 100644
--- a/ctrtool/romfs.c
+++ b/ctrtool/romfs.c
@@ -30,7 +30,41 @@ void romfs_set_usersettings(romfs_context* ctx, settings* usersettings)
 	ctx->usersettings = usersettings;
 }
 
+void romfs_set_encrypted(romfs_context* ctx, u32 encrypted)
+{
+	ctx->encrypted = encrypted;
+}
 
+void romfs_set_key(romfs_context* ctx, u8 key[16])
+{
+	memcpy(ctx->key, key, 16);
+}
+
+void romfs_set_counter(romfs_context* ctx, u8 counter[16])
+{
+	memcpy(ctx->counter, counter, 16);
+}
+
+void romfs_fseek(romfs_context* ctx, u64 offset)
+{
+	u64 data_pos = offset - ctx->offset;
+	fseeko64(ctx->file, offset, SEEK_SET);
+	ctr_init_counter(&ctx->aes, ctx->key, ctx->counter);
+	ctr_add_counter(&ctx->aes, data_pos / 0x10);
+}
+
+size_t romfs_fread(romfs_context* ctx, void* buffer, size_t size, size_t count)
+{
+	size_t read;
+	if ((read = fread(buffer, size, count, ctx->file)) != count) {
+		//printf("romfs_fread() fail\n");
+		return read;
+	}
+	if (ctx->encrypted) {
+		ctr_crypt_counter(&ctx->aes, buffer, buffer, size*read);
+	}
+	return read;
+}
 
 void romfs_process(romfs_context* ctx, u32 actions)
 {
@@ -39,15 +73,17 @@ void romfs_process(romfs_context* ctx, u32 actions)
 	u32 fileblockoffset = 0;
 	u32 fileblocksize = 0;
 
-
 	ivfc_set_offset(&ctx->ivfc, ctx->offset);
 	ivfc_set_size(&ctx->ivfc, ctx->size);
 	ivfc_set_file(&ctx->ivfc, ctx->file);
 	ivfc_set_usersettings(&ctx->ivfc, ctx->usersettings);
+	ivfc_set_counter(&ctx->ivfc, ctx->counter);
+	ivfc_set_key(&ctx->ivfc, ctx->key);
+	ivfc_set_encrypted(&ctx->ivfc, ctx->encrypted);
 	ivfc_process(&ctx->ivfc, actions);
 
-	fseeko64(ctx->file, ctx->offset, SEEK_SET);
-	fread(&ctx->header, 1, sizeof(romfs_header), ctx->file);
+	romfs_fseek(ctx, ctx->offset);
+	romfs_fread(ctx, &ctx->header, 1, sizeof(romfs_header));
 
 	if (getle32(ctx->header.magic) != MAGIC_IVFC)
 	{
@@ -57,8 +93,8 @@ void romfs_process(romfs_context* ctx, u32 actions)
 
 	ctx->infoblockoffset = ctx->offset + 0x1000;
 
-	fseeko64(ctx->file, ctx->infoblockoffset, SEEK_SET);
-	fread(&ctx->infoheader, 1, sizeof(romfs_infoheader), ctx->file);
+	romfs_fseek(ctx, ctx->infoblockoffset);
+	romfs_fread(ctx, &ctx->infoheader, 1, sizeof(romfs_infoheader));
 	
 	if (getle32(ctx->infoheader.headersize) != sizeof(romfs_infoheader))
 	{
@@ -71,25 +107,25 @@ void romfs_process(romfs_context* ctx, u32 actions)
 	fileblockoffset = ctx->infoblockoffset + getle32(ctx->infoheader.section[3].offset);
 	fileblocksize = getle32(ctx->infoheader.section[3].size);
 
+	u32 hdrsize = getle32(ctx->infoheader.dataoffset);
+	u8 *block = malloc(hdrsize);
+	romfs_fseek(ctx, ctx->infoblockoffset);
+	romfs_fread(ctx, block, hdrsize, 1);
+
 	ctx->dirblock = malloc(dirblocksize);
 	ctx->dirblocksize = dirblocksize;
+	if(ctx->dirblock)
+		memcpy(ctx->dirblock, block + getle32(ctx->infoheader.section[1].offset), dirblocksize);
+
 	ctx->fileblock = malloc(fileblocksize);
 	ctx->fileblocksize = fileblocksize;
+	if (ctx->fileblock)
+		memcpy(ctx->fileblock, block + getle32(ctx->infoheader.section[3].offset), fileblocksize);
+
+	free(block);
 
 	ctx->datablockoffset = ctx->infoblockoffset + getle32(ctx->infoheader.dataoffset);
 
-	if (ctx->dirblock)
-	{
-		fseeko64(ctx->file, dirblockoffset, SEEK_SET);
-		fread(ctx->dirblock, 1, dirblocksize, ctx->file);
-	}
-
-	if (ctx->fileblock)
-	{
-		fseeko64(ctx->file, fileblockoffset, SEEK_SET);
-		fread(ctx->fileblock, 1, fileblocksize, ctx->file);
-	}
-
 	if (actions & InfoFlag)
 		romfs_print(ctx);
 
@@ -315,7 +351,7 @@ void romfs_extract_datafile(romfs_context* ctx, u64 offset, u64 size, const osch
 
 	offset += ctx->datablockoffset;
 
-	fseeko64(ctx->file, offset, SEEK_SET);
+	romfs_fseek(ctx, offset);
 	outfile = os_fopen(path, OS_MODE_WRITE);
 	if (outfile == NULL)
 	{
@@ -329,7 +365,7 @@ void romfs_extract_datafile(romfs_context* ctx, u64 offset, u64 size, const osch
 		if (max > size)
 			max = size;
 
-		if (max != fread(buffer, 1, max, ctx->file))
+		if (max != romfs_fread(ctx, buffer, 1, max))
 		{
 			fprintf(stderr, "Error reading file\n");
 			goto clean;
diff --git a/ctrtool/romfs.h b/ctrtool/romfs.h
index c560ab4..7706be5 100644
--- a/ctrtool/romfs.h
+++ b/ctrtool/romfs.h
@@ -57,6 +57,8 @@ typedef struct
 	FILE* file;
 	oschar_t* extractdir;
 	settings* usersettings;
+	u8 counter[16];
+	u8 key[16];
 	u64 offset;
 	u64 size;
 	romfs_header header;
@@ -70,6 +72,8 @@ typedef struct
 	romfs_direntry direntry;
 	romfs_fileentry fileentry;
 	ivfc_context ivfc;
+	ctr_aes_context aes;
+	int encrypted;
 } romfs_context;
 
 void romfs_init(romfs_context* ctx);
@@ -77,7 +81,11 @@ void romfs_set_file(romfs_context* ctx, FILE* file);
 void romfs_set_offset(romfs_context* ctx, u64 offset);
 void romfs_set_size(romfs_context* ctx, u64 size);
 void romfs_set_usersettings(romfs_context* ctx, settings* usersettings);
-void romfs_test(romfs_context* ctx);
+void romfs_set_encrypted(romfs_context* ctx, u32 encrypted);
+void romfs_set_key(romfs_context* ctx, u8 key[16]);
+void romfs_set_counter(romfs_context* ctx, u8 counter[16]);
+void romfs_fseek(romfs_context* ctx, u64 offset);
+size_t romfs_fread(romfs_context* ctx, void* buffer, size_t size, size_t count);
 int  romfs_dirblock_read(romfs_context* ctx, u32 diroffset, u32 dirsize, void* buffer);
 int  romfs_dirblock_readentry(romfs_context* ctx, u32 diroffset, romfs_direntry* entry);
 int  romfs_fileblock_read(romfs_context* ctx, u32 fileoffset, u32 filesize, void* buffer);
diff --git a/ctrtool/settings.c b/ctrtool/settings.c
index cbc7aec..7888d54 100644
--- a/ctrtool/settings.c
+++ b/ctrtool/settings.c
@@ -120,6 +120,14 @@ filepath* settings_get_content_path(settings* usersettings)
 		return 0;
 }
 
+filepath* settings_get_plainrgn_path(settings* usersettings)
+{
+	if (usersettings)
+		return &usersettings->plainrgnpath;
+	else
+		return 0;
+}
+
 unsigned int settings_get_mediaunit_size(settings* usersettings)
 {
 	if (usersettings)
@@ -255,6 +263,11 @@ void settings_set_romfs_dir_path(settings* usersettings, const char* path)
 	filepath_set(&usersettings->romfsdirpath, path);
 }
 
+void settings_set_plainrgn_path(settings* usersettings, const char* path)
+{
+	filepath_set(&usersettings->plainrgnpath, path);
+}
+
 void settings_set_mediaunit_size(settings* usersettings, unsigned int size)
 {
 	usersettings->mediaunitsize = size;
diff --git a/ctrtool/settings.h b/ctrtool/settings.h
index c75bb94..30b42d2 100644
--- a/ctrtool/settings.h
+++ b/ctrtool/settings.h
@@ -15,6 +15,7 @@ typedef struct
 	filepath romfsdirpath;
 	filepath exheaderpath;
 	filepath logopath;
+	filepath plainrgnpath;
 	filepath certspath;
 	filepath contentpath;
 	filepath tikpath;
@@ -43,6 +44,7 @@ filepath* settings_get_exefs_dir_path(settings* usersettings);
 filepath* settings_get_romfs_dir_path(settings* usersettings);
 filepath* settings_get_firm_dir_path(settings* usersettings);
 filepath* settings_get_wav_path(settings* usersettings);
+filepath* settings_get_plainrgn_path(settings* usersettings);
 unsigned int settings_get_mediaunit_size(settings* usersettings);
 unsigned char* settings_get_ncch_key(settings* usersettings);
 unsigned char* settings_get_ncch_fixedsystemkey(settings* usersettings);
@@ -66,6 +68,7 @@ void settings_set_exefs_dir_path(settings* usersettings, const char* path);
 void settings_set_romfs_dir_path(settings* usersettings, const char* path);
 void settings_set_firm_dir_path(settings* usersettings, const char* path);
 void settings_set_wav_path(settings* usersettings, const char* path);
+void settings_set_plainrgn_path(settings* usersettings, const char* path);
 void settings_set_mediaunit_size(settings* usersettings, unsigned int size);
 void settings_set_ignore_programid(settings* usersettings, int enable);
 void settings_set_list_romfs_files(settings* usersettings, int enable);
diff --git a/ctrtool/utils.c b/ctrtool/utils.c
index d2d4adb..cfaf184 100644
--- a/ctrtool/utils.c
+++ b/ctrtool/utils.c
@@ -84,6 +84,43 @@ void putle32(u8* p, u32 n)
 	p[3] = n>>24;
 }
 
+void putle64(u8* p, u64 n)
+{
+	p[0] = n;
+	p[1] = n >> 8;
+	p[2] = n >> 16;
+	p[3] = n >> 24;
+	p[4] = n >> 32;
+	p[5] = n >> 40;
+	p[6] = n >> 48;
+	p[7] = n >> 56;
+}
+
+void putbe16(u8* p, u16 n)
+{
+	p[1] = n;
+	p[0] = n >> 8;
+}
+
+void putbe32(u8* p, u32 n)
+{
+	p[3] = n;
+	p[2] = n >> 8;
+	p[1] = n >> 16;
+	p[0] = n >> 24;
+}
+
+void putbe64(u8* p, u64 n)
+{
+	p[7] = n;
+	p[6] = n >> 8;
+	p[5] = n >> 16;
+	p[4] = n >> 24;
+	p[3] = n >> 32;
+	p[2] = n >> 40;
+	p[1] = n >> 48;
+	p[0] = n >> 56;
+}
 
 void readkeyfile(u8* key, const char* keyfname)
 {
diff --git a/ctrtool/utils.h b/ctrtool/utils.h
index 519a95e..4d766aa 100644
--- a/ctrtool/utils.h
+++ b/ctrtool/utils.h
@@ -27,6 +27,10 @@ u32 getbe32(const u8* p);
 u32 getbe16(const u8* p);
 void putle16(u8* p, u16 n);
 void putle32(u8* p, u32 n);
+void putle64(u8* p, u64 n);
+void putbe16(u8* p, u16 n);
+void putbe32(u8* p, u32 n);
+void putbe64(u8* p, u64 n);
 
 void readkeyfile(u8* key, const char* keyfname);
 void memdump(FILE* fout, const char* prefix, const u8* data, u32 size);