From 99667e44abe40d7cca205a2fc7aa7ef370f81b7c Mon Sep 17 00:00:00 2001
From: yoshida_teruhisa <yoshida_teruhisa@b08762b0-b915-fc4b-9d8c-17b2551a87ff>
Date: Tue, 6 Nov 2007 08:18:31 +0000
Subject: [PATCH] =?UTF-8?q?=E8=A8=AD=E5=AE=9A=E7=94=BB=E9=9D=A2=E3=81=A8Pi?=
 =?UTF-8?q?ctoChat=E3=80=81=E3=81=9D=E3=82=8C=E3=81=9E=E3=82=8C=E3=81=ABNM?=
 =?UTF-8?q?enu=E3=81=8B=E3=82=89=E8=B5=B7=E5=8B=95=E3=81=99=E3=82=8B?=
 =?UTF-8?q?=E3=81=9F=E3=82=81=E3=81=AE=E5=BF=9C=E6=80=A5=E6=8E=AA=E7=BD=AE?=
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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@105 b08762b0-b915-fc4b-9d8c-17b2551a87ff
---
 .../MachineSettings/ARM9/src/main.c           |  6 ++
 .../systemMenu_RED/PictoChat/ARM9/src/main.c  |  6 ++
 include/nand_app_hack.h                       | 61 +++++++++++++++++++
 3 files changed, 73 insertions(+)
 create mode 100644 include/nand_app_hack.h

diff --git a/build/systemMenu_RED/MachineSettings/ARM9/src/main.c b/build/systemMenu_RED/MachineSettings/ARM9/src/main.c
index 4d2fb393..32921511 100644
--- a/build/systemMenu_RED/MachineSettings/ARM9/src/main.c
+++ b/build/systemMenu_RED/MachineSettings/ARM9/src/main.c
@@ -18,6 +18,7 @@
 #include <twl.h>
 #include "misc.h"
 #include "MachineSetting.h"
+#include "nand_app_hack.h"
 
 // extern data-----------------------------------------------------------------
 
@@ -73,6 +74,11 @@ void TwlMain(void)
 	if( SYSM_ReadTWLSettingsFile() ) {
 		SYSM_CaribrateTP();
 	}
+
+	{
+		// ファイルシステム切り替え応急処置
+		FS_IdentifyTitle(0x4d534554);//MSET
+	}
 	
 	InitBG();
 	GetAndDrawRTCData( &g_rtcDraw, TRUE );
diff --git a/build/systemMenu_RED/PictoChat/ARM9/src/main.c b/build/systemMenu_RED/PictoChat/ARM9/src/main.c
index 9c9a10ba..371d415a 100644
--- a/build/systemMenu_RED/PictoChat/ARM9/src/main.c
+++ b/build/systemMenu_RED/PictoChat/ARM9/src/main.c
@@ -18,6 +18,7 @@
 #include <twl.h>
 #include "misc.h"
 #include "PictoChat.h"
+#include "nand_app_hack.h"
 
 // extern data-----------------------------------------------------------------
 
@@ -61,6 +62,11 @@ void TwlMain(void)
 	InitAllocator();
 	CMN_InitFileSystem( &g_allocator );
 	
+	{
+		// ファイルシステム切り替え応急処置
+		FS_IdentifyTitle(0x50434854);//PCHT
+	}
+	
 	InitBG();
 	PictoChatInit();
 	// メインループ----------------------------
diff --git a/include/nand_app_hack.h b/include/nand_app_hack.h
new file mode 100644
index 00000000..414e710d
--- /dev/null
+++ b/include/nand_app_hack.h
@@ -0,0 +1,61 @@
+
+// とにかく.appファイル内のSRLを直接読み込むコールバック
+//#define WAD_SRL_OFFSET 0x12C0
+#define WAD_SRL_OFFSET 0
+static FSResult ReadFromWad(FSArchive *arc, void *buffer, u32 offset, u32 length)
+{
+    FSFile *file = (FSFile *)FS_GetArchiveBase(arc);
+    (void)FS_SeekFile(file, (int)(WAD_SRL_OFFSET + offset), FS_SEEK_SET);
+    return (FS_ReadFile(file, buffer, (int)length) >= 0) ?
+            FS_RESULT_SUCCESS : FS_GetResultCode(file);
+}
+// 指定のタイトルIDで起動したNANDアプリであると仮定して"rom"アーカイブを置換
+static BOOL FS_IdentifyTitle(u32 titleLo)
+{
+    BOOL    retval = FALSE;
+    static struct
+    {
+        BOOL    initialized;
+        FSFile  file[1];
+    }
+    context;
+    if (!context.initialized)
+    {
+        context.initialized = TRUE;
+//        if (OS_GetBootType() == OS_BOOTTYPE_NAND)
+        {
+            char    path[FS_ENTRY_LONGNAME_MAX];
+            STD_TSPrintf(path, "nand:/title_e/00010001/%02X%02X%02X%02X/content/12123434.app",
+                        ((titleLo / 1000) % 10) + '0',
+                        ((titleLo / 100) % 10) + '0',
+                        ((titleLo / 10) % 10) + '0',
+                        ((titleLo / 1) % 10) + '0');
+            if (!FS_IsAvailable())
+            {
+                FS_Init(FS_DMA_NOT_USE);
+            }
+            if (FS_OpenFileEx(context.file, path, FS_FILEMODE_R))
+            {
+                CARDRomHeader   header[1];
+                (void)FS_SeekFile(context.file, (int)(WAD_SRL_OFFSET + 0), FS_SEEK_SET);
+                if (FS_ReadFile(context.file, header, sizeof(header)) == sizeof(header))
+                {
+                    FSArchive      *arc = FS_FindArchive("rom", 3);
+                    (void)FS_UnloadArchive(arc);
+                    if (FS_LoadArchive(arc, (u32)context.file,
+                                header->fat.offset, header->fat.length,
+                                header->fnt.offset, header->fnt.length,
+                                ReadFromWad, NULL))
+                    {
+                        retval = TRUE;
+                    }
+                }
+                if (!retval)
+                {
+                    (void)FS_CloseFile(context.file);
+                }
+            }
+        }
+    }
+    return retval;
+}