diff --git a/build/libraries/fatfs/ARM7/src/fatfs_loader.c b/build/libraries/fatfs/ARM7/src/fatfs_loader.c
index 53161334..dcf917cd 100644
--- a/build/libraries/fatfs/ARM7/src/fatfs_loader.c
+++ b/build/libraries/fatfs/ARM7/src/fatfs_loader.c
@@ -65,7 +65,7 @@ static int menu_fd = -1;
  *---------------------------------------------------------------------------*/
 BOOL FATFS_OpenRecentMenu( int driveno )
 {
-    char *menufile = (char*)L"A:\\title\\00010001\\4d454e55\\content\\12123434.app";
+    char *menufile = (char*)L"A:\\title\\00010001\\52434e4c\\content\\12123434.app";
     if (driveno < 0 || driveno >= 26)
     {
         return FALSE;
@@ -76,6 +76,7 @@ BOOL FATFS_OpenRecentMenu( int driveno )
     {
         return FALSE;
     }
+    FATFS_SaveSrlFilename(FATFS_MEDIA_TYPE_NAND, menufile);
     return TRUE;
 }
 
@@ -100,6 +101,71 @@ BOOL FATFS_OpenSpecifiedSrl( const char* menufile )
     return TRUE;
 }
 
+/*---------------------------------------------------------------------------*
+  Name:         FATFS_SaveSrlFilename
+
+  Description:  store filename to HW_TWL_FS_BOOT_SRL_PATH_BUF
+
+                ファイル名をHW_TWL_FS_BOOT_SRL_PATH_BUFに書き込みます。
+
+  Arguments:    media       media type
+                filename    target filename
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+BOOL FATFS_SaveSrlFilename( FATFSMediaType media, const char* filename )
+{
+    char* dest = (char*)HW_TWL_FS_BOOT_SRL_PATH_BUF;
+    const char nandStr[] = "nand:/";
+    const char sdmcStr[] = "sdmc:/";
+
+    if ( filename[2] == ':' )   // ドライブレターは削除
+    {
+        filename += 4;
+    }
+    if ( filename[0] == '\\' )  // 先頭のパス記号は削除
+    {
+        filename += 2;
+    }
+    switch( media )
+    {
+    case FATFS_MEDIA_TYPE_NAND:
+        MI_CpuCopy8(nandStr, dest, sizeof(nandStr)-1);
+        dest += sizeof(nandStr)-1;
+        break;
+    case FATFS_MEDIA_TYPE_SD:
+        MI_CpuCopy8(sdmcStr, dest, sizeof(sdmcStr)-1);
+        dest += sizeof(sdmcStr)-1;
+        break;
+    default:
+        return FALSE;
+    }
+    // unicode詰め (ASCII only)
+    while ( dest < (char*)HW_TWL_ROM_HEADER_BUF )
+    {
+        if ( *filename == '\\' )    // パス記号変換
+        {
+            *dest++ = '/';
+            filename++;
+        }
+        else if ( *filename != 0 )  // 通常コピー
+        {
+            *dest++ = *filename++;
+        }
+        else if ( *(filename + 1) != 0 )    // \0が連続していないならunicodeの詰めるべき隙間
+        {
+            filename++; // omit
+        }
+        else    // \0が連続しているなら終端
+        {
+            MI_CpuClear8( dest, HW_TWL_ROM_HEADER_BUF - (u32)dest );    // 残りバッファのクリア
+            break;
+        }
+    }
+    OS_TPrintf("Stored: %s\n", (char*)HW_TWL_FS_BOOT_SRL_PATH_BUF);
+    return TRUE;
+}
+
 /*---------------------------------------------------------------------------*
   Name:         FATFS_GetSrlDescriptor
 
diff --git a/build/libraries/mi/ARM9/mi_loader.c b/build/libraries/mi/ARM9/mi_loader.c
index 9758ba8a..6160f075 100644
--- a/build/libraries/mi/ARM9/mi_loader.c
+++ b/build/libraries/mi/ARM9/mi_loader.c
@@ -290,7 +290,7 @@ BOOL MI_LoadHeader( SVCSignHeapContext* pool, const void* rsa_key )
 #endif
     if ( result )
     {
-        DC_FlushRange( rh, HW_TWL_ROM_HEADER_BUF_SIZE );
+        DC_StoreRange( rh, HW_TWL_ROM_HEADER_BUF_SIZE );
         PXI_NotifyID( FIRM_PXI_ID_AUTH_HEADER );
         PXI_SendDataByFifo( PXI_FIFO_TAG_DATA, sd.aes_key_seed, AES_BLOCK_SIZE );
         // DS互換ヘッダコピー
diff --git a/build/libraries/os/common/os_boot.c b/build/libraries/os/common/os_boot.c
index 44985ba9..8bfc6b85 100644
--- a/build/libraries/os/common/os_boot.c
+++ b/build/libraries/os/common/os_boot.c
@@ -54,14 +54,29 @@ void OS_BootWithRomHeaderFromFIRM( ROM_Header* rom_header )
     /* ITCM全クリア */
     clr_list[i++] = (u32)HW_ITCM;
     clr_list[i++] = (u32)HW_ITCM_SIZE;
-#else
-    /* CODEとSTACKの隙間をクリア */
+    /* FS Parameters領域のクリア (暫定) */
+//    clr_list[i++] = (u32)HW_TWL_FS_MOUNT_INFO_BUF;  // 0x02ffdc00 - 0x02ffddff
+//    clr_list[i++] = (u32)HW_TWL_ROM_HEADER_BUF - (u32)HW_TWL_FS_MOUNT_INFO_BUF;
+    /* PSEG1/RED Reserved領域のクリア (暫定) */
+    clr_list[i++] = (u32)HW_MAIN_MEM_SHARED;        // 0x02fff000 - 0x02fffa7f
+    clr_list[i++] = (u32)HW_PSEG1_RESERVED_1_END - (u32)HW_MAIN_MEM_SHARED;
+    /* System Shared領域のクリア (暫定) */
+    clr_list[i++] = (u32)HW_BOOT_CHECK_INFO_BUF;    // 0x02fffc00 - 0x02fffc1f
+    clr_list[i++] = (u32)HW_BOOT_CHECK_INFO_BUF_END - (u32)HW_BOOT_CHECK_INFO_BUF;
+    clr_list[i++] = (u32)HW_BOOT_SHAKEHAND_9;       // 0x02fffc24 - 0x02fffd7f
+    clr_list[i++] = (u32)HW_NVRAM_USER_INFO_END - (u32)HW_BOOT_SHAKEHAND_9;
+    clr_list[i++] = (u32)HW_ARENA_INFO_BUF;         // 0x02fffda0 - 0x02fffdff
+    clr_list[i++] = (u32)HW_ROM_HEADER_BUF - (u32)HW_ARENA_INFO_BUF;
+    clr_list[i++] = (u32)HW_PXI_SIGNAL_PARAM_ARM9;  // 0x02ffff80 - 0x02fffffd
+    clr_list[i++] = (u32)HW_CMD_AREA - (u32)HW_PXI_SIGNAL_PARAM_ARM9;
+#else   // SDK_ARM7
+    /* REBOOT_ExecuteのCODEとSTACKの隙間をクリア */
     if ((u32)stack_top > (u32)OS_BOOT_CODE_BUF - OS_BOOT_CODE_SIZE - OS_BOOT_STACK_SIZE_MIN - sizeof(clr_list))
     {
-        clr_list[i++] = (u32)OS_BOOT_CODE_BUF + (u32)OS_BOOT_CODE_SIZE;
-        clr_list[i++] = (u32)stack_top - (u32)OS_BOOT_CODE_BUF - OS_BOOT_CODE_SIZE - OS_BOOT_STACK_SIZE_MIN - sizeof(clr_list);
+        clr_list[i++] = (u32)OS_BOOT_CODE_BUF + OS_BOOT_CODE_SIZE;
+        clr_list[i++] = (u32)stack_top - OS_BOOT_STACK_SIZE_MIN - sizeof(clr_list) - (u32)OS_BOOT_CODE_BUF - OS_BOOT_CODE_SIZE;
     }
-#endif
+#endif  // SDK_ARM7
     clr_list[i++] = NULL;
     REBOOT_Execute(entry, wram_reg, clr_list, code_buf, stack_top, scfg, jtag);
     OS_Terminate();
diff --git a/build/nandfirm/sdmc-launcher/ARM7/main.c b/build/nandfirm/sdmc-launcher/ARM7/main.c
index 64b13b58..6f3a2b90 100644
--- a/build/nandfirm/sdmc-launcher/ARM7/main.c
+++ b/build/nandfirm/sdmc-launcher/ARM7/main.c
@@ -136,19 +136,19 @@ static BOOL Fatfs4sdmcInit(void)
     switch ( PAD_Read() & PAD_KEYPORT_MASK )
     {
     case 0:
-        result = FATFS_OpenSpecifiedSrl( MENU_FILE );
+        result = FATFS_OpenSpecifiedSrl( MENU_FILE ) && FATFS_SaveSrlFilename( BOOT_DEVICE, MENU_FILE );
         break;
     case PAD_BUTTON_A:
-        result = FATFS_OpenSpecifiedSrl( MENU_FILE_A );
+        result = FATFS_OpenSpecifiedSrl( MENU_FILE_A ) && FATFS_SaveSrlFilename( BOOT_DEVICE, MENU_FILE_A );
         break;
     case PAD_BUTTON_B:
-        result = FATFS_OpenSpecifiedSrl( MENU_FILE_B );
+        result = FATFS_OpenSpecifiedSrl( MENU_FILE_B ) && FATFS_SaveSrlFilename( BOOT_DEVICE, MENU_FILE_B );
         break;
     case PAD_BUTTON_L:
-        result = FATFS_OpenSpecifiedSrl( MENU_FILE_L );
+        result = FATFS_OpenSpecifiedSrl( MENU_FILE_L ) && FATFS_SaveSrlFilename( BOOT_DEVICE, MENU_FILE_L );
         break;
     case PAD_BUTTON_R:
-        result = FATFS_OpenSpecifiedSrl( MENU_FILE_R );
+        result = FATFS_OpenSpecifiedSrl( MENU_FILE_R ) && FATFS_SaveSrlFilename( BOOT_DEVICE, MENU_FILE_R );
         break;
     default:
         OS_SetDebugLED( (u8)(PAD_Read() & PAD_KEYPORT_MASK) );
diff --git a/include/firm/fatfs/ARM7/fatfs_loader.h b/include/firm/fatfs/ARM7/fatfs_loader.h
index 64553d12..bb9c44a3 100644
--- a/include/firm/fatfs/ARM7/fatfs_loader.h
+++ b/include/firm/fatfs/ARM7/fatfs_loader.h
@@ -19,6 +19,7 @@
 #define FIRM_FATFS_FATFS_LOADER_H_
 
 #include <twl/types.h>
+#include <twl/fatfs.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -46,6 +47,20 @@ BOOL FATFS_OpenRecentMenu( int driveno );
  *---------------------------------------------------------------------------*/
 BOOL FATFS_OpenSpecifiedSrl( const char* menufile );
 
+/*---------------------------------------------------------------------------*
+  Name:         FATFS_SaveSrlFilename
+
+  Description:  store filename to HW_TWL_FS_BOOT_SRL_PATH_BUF
+
+                ファイル名をHW_TWL_FS_BOOT_SRL_PATH_BUFに書き込みます。
+
+  Arguments:    media       media type
+                filename    target filename
+
+  Returns:      None
+ *---------------------------------------------------------------------------*/
+BOOL FATFS_SaveSrlFilename( FATFSMediaType media, const char* filename );
+
 /*---------------------------------------------------------------------------*
   Name:         FATFS_GetSrlDescriptor