diff --git a/build/libraries/fs/ARM7/src/fs_firm.c b/build/libraries/fs/ARM7/src/fs_firm.c
index f982d468..2ba0b882 100644
--- a/build/libraries/fs/ARM7/src/fs_firm.c
+++ b/build/libraries/fs/ARM7/src/fs_firm.c
@@ -114,8 +114,7 @@ void FS_InitMountInfo( BOOL nand, BOOL sdmc )
         *(u32*)dest = 0;
     }
     *(u8*)HW_TWL_RED_LAUNCHER_VER = 1;
-    *(char*)HW_FIRM_BOOT_SRL_PATH_BUF = 0;
-//  MI_CpuCopy8("nand:/nandfirm/menu_launcher.srl", (char*)HW_FIRM_BOOT_SRL_PATH_BUF, 0x40);
+    *(char*)HW_FIRM_BOOT_SRL_PATH_BUF = 0; // no rom archive
 }
 
 /*---------------------------------------------------------------------------*
@@ -129,8 +128,7 @@ void FS_InitMountInfo( BOOL nand, BOOL sdmc )
  *---------------------------------------------------------------------------*/
 int FS_OpenSrl( void )
 {
-#define BOOT_SRL_PATH_BUF_SIZE  (HW_TWL_ROM_HEADER_BUF - HW_TWL_FS_BOOT_SRL_PATH_BUF)
-    u16 fatpath[BOOT_SRL_PATH_BUF_SIZE];
-    ConvertPath(fatpath, (void*)HW_TWL_FS_BOOT_SRL_PATH_BUF, BOOT_SRL_PATH_BUF_SIZE);
+    u16 fatpath[HW_FIRM_FS_BOOT_SRL_PATH_BUF_SIZE];
+    ConvertPath(fatpath, (void*)HW_TWL_FS_BOOT_SRL_PATH_BUF, HW_FIRM_FS_BOOT_SRL_PATH_BUF_SIZE);
     return FATFSi_rtfs_po_open((u8*)fatpath, 0, 0);
 }
diff --git a/build/libraries/os/common/os_boot.c b/build/libraries/os/common/os_boot.c
index 64ed03cf..e65d66c8 100644
--- a/build/libraries/os/common/os_boot.c
+++ b/build/libraries/os/common/os_boot.c
@@ -82,23 +82,26 @@ void OS_BootWithRomHeaderFromFIRM( ROM_Header* rom_header )
     mem_list[i++] = NULL;
     // copy forward
 #ifdef SDK_ARM7
-    if ( *(char*)HW_TWL_FS_MOUNT_INFO_BUF )
-    {
-        mem_list[i++] = HW_TWL_FS_MOUNT_INFO_BUF;
-        mem_list[i++] = (u32)rom_header->s.sub_mount_info_ram_address;
-        mem_list[i++] = HW_TWL_ROM_HEADER_BUF - HW_TWL_FS_MOUNT_INFO_BUF;
-    }
+    // MountInfo (移動する？)
+    mem_list[i++] = HW_TWL_FS_MOUNT_INFO_BUF;
+    mem_list[i++] = (u32)rom_header->s.sub_mount_info_ram_address;
+    mem_list[i++] = HW_FIRM_FS_MOUNT_INFO_BUF_SIZE;
+    // srlファイル名
+    mem_list[i++] = HW_TWL_FS_BOOT_SRL_PATH_BUF;
+    mem_list[i++] = (u32)rom_header->s.sub_mount_info_ram_address + HW_FIRM_FS_MOUNT_INFO_BUF_SIZE;
+    mem_list[i++] = HW_FIRM_FS_BOOT_SRL_PATH_BUF_SIZE;
 #endif
     mem_list[i++] = NULL;
     // copy backward
     mem_list[i++] = NULL;
     // post clear
 #ifdef SDK_ARM7
-    if ( *(char*)HW_TWL_FS_MOUNT_INFO_BUF )
-    {
-        mem_list[i++] = HW_TWL_FS_MOUNT_INFO_BUF;
-        mem_list[i++] = HW_TWL_ROM_HEADER_BUF - HW_TWL_FS_MOUNT_INFO_BUF;
-    }
+    // MountInfo (移動する？)
+    mem_list[i++] = HW_TWL_FS_MOUNT_INFO_BUF;
+    mem_list[i++] = HW_FIRM_FS_MOUNT_INFO_BUF_SIZE;
+    // srlファイル名
+    mem_list[i++] = HW_TWL_FS_BOOT_SRL_PATH_BUF;
+    mem_list[i++] = HW_FIRM_FS_BOOT_SRL_PATH_BUF_SIZE;
 #endif
     mem_list[i++] = NULL;
     SDK_ASSERT(i <= sizeof(mem_list)/sizeof(mem_list[0]));
diff --git a/include/firm/hw/common/mmap_firm.h b/include/firm/hw/common/mmap_firm.h
index 0e31e55c..51793b6b 100644
--- a/include/firm/hw/common/mmap_firm.h
+++ b/include/firm/hw/common/mmap_firm.h
@@ -32,6 +32,9 @@ extern "C" {
 #define HW_FIRM_LOAD_BUFFER_END         (HW_FIRM_LOAD_BUFFER_BASE + HW_FIRM_LOAD_BUFFER_SIZE)
 
 //------------------------------------- FS/FATFS
+#define HW_FIRM_FS_MOUNT_INFO_BUF_SIZE      (HW_TWL_FS_BOOT_SRL_PATH_BUF - HW_TWL_FS_MOUNT_INFO_BUF)
+#define HW_FIRM_FS_BOOT_SRL_PATH_BUF_SIZE   (HW_TWL_ROM_HEADER_BUF - HW_TWL_FS_BOOT_SRL_PATH_BUF)
+
 #define HW_FIRM_FATFS_ARCHNAME_LIST         (HW_FIRM_FATFS_ARCHNAME_LIST_END - HW_FIRM_FATFS_ARCHNAME_LIST_SIZE)
 #define HW_FIRM_FATFS_ARCHNAME_LIST_SIZE    MATH_ROUNDUP(OS_MOUNT_ARCHIVE_NAME_LEN * OS_MOUNT_INFO_MAX + 1, 32) // 0xC0
 #define HW_FIRM_FATFS_ARCHNAME_LIST_END     HW_FIRM_FATFS_COMMAND_BUFFER    // 0x02ff6000