無線ファームウェアダウンロード用ラッパー関数の雛形を作成。

git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@660 b08762b0-b915-fc4b-9d8c-17b2551a87ff

build/systemMenu_RED/Launcher/ARM9/src/loadWlanFirm.c

@@ -10,26 +10,36 @@
   not be disclosed to third parties or copied or duplicated in any form,
   in whole or in part, without the prior written consent of Nintendo.
 
-  $Date:: 
-  $Rev: 
-  $Author: 
+  $Date:: $
+  $Rev: $
+  $Author: $
  *---------------------------------------------------------------------------*/
 #include <twl.h>
 #include <twl/nam.h>
 #include <twl/os/common/format_rom.h>
 #include <twl/lcfg.h>
 
+#include <firm.h>
+
 #include "loadWlanFirm.h"
 
 /* LCFGの無線ファームバージョンをタイトルＩＤとしてそのまま使う場合 */
-#define USE_LCFG_STRING 0
+#define USE_LCFG_STRING          0
 
+#define WLANFIRM_PUBKEY_INDEX    1
 
 static int   isNwmActive;
 static u32   nwmBuf[NWM_SYSTEM_BUF_SIZE/sizeof(u32)] ATTRIBUTE_ALIGN(32);
 static u32   fwBuffer[256*1024/sizeof(u32)]  ATTRIBUTE_ALIGN(32);
 
+static s32   readFirmwareBinary(u8 *buffer, s32 bufSize);
+static BOOL  verifyWlanfirmSignature(u8* buffer);
 
+/* [TODO:] HotStart/ColdStartを判別するためのもの。ランチャーでの定義ができたら削除？ */
+typedef enum {
+    COLD_START,
+    HOT_START
+} BOOT_POLICY;
 
 static void nwmcallback(void* arg)
 {
@@ -55,91 +65,146 @@ static void nwmcallback(void* arg)
 
 }
 
-
-BOOL WirelessFirmwareDownloadStart(void)
+s32 readFirmwareBinary(u8 *buffer, s32 bufSize)
 {
-  char path[256];
-  FSFile  file[1];
-
-  u8 title[4];
+    char path[256];
+    FSFile  file[1];
+    u8 title[4];
+    s32 flen;
 
 #if( USE_LCFG_STRING == 0 )
-  char *title0 = "WFW0";
-  char *title1 = "WFW1";
+    char *title0 = "WFW0";
+    char *title1 = "WFW1";
 #endif
-  u32 titleID_hi;
-  u32 titleID_lo;
-  u64 titleID = 0;
-  s32 flen = 0;
-  NWMRetCode err;
-  int i;
+    u32 titleID_hi;
+    u32 titleID_lo;
+    u64 titleID = 0;
 
-
-  LCFG_THW_GetWirelessFirmTitleID_Lo( title );
+    LCFG_THW_GetWirelessFirmTitleID_Lo( title );
 
 #if( USE_LCFG_STRING == 0 )
-  if( title[0] == 0 ) {
-    for( i = 0 ; i < 4 ; i++ ) {
-      title[i] = (u8)*title0++;
+    {
+        int i;
+        if( title[0] == 0 ) {
+            for( i = 0 ; i < 4 ; i++ ) {
+                title[i] = (u8)*title1++;
+            }
+        }
+        else {
+            for( i = 0 ; i < 4 ; i++ ) {
+                title[i] = (u8)*title0++;
+            }
+        }
     }
-  }
-  else {
-    for( i = 0 ; i < 4 ; i++ ) {
-      title[i] = (u8)*title1++;
-    }
-  }
 #endif
 
 
-  titleID_hi = (( 3 /* Nintendo */ << 16) | 4 /* */ | 1 /* */);
+    titleID_hi = (( 3 /* Nintendo */ << 16) | 4 /* */ | 1 /* */);
 
-  titleID_lo =  ((u32)( title[0] ) & 0xff) << 24;
-  titleID_lo |= ((u32)( title[1] )& 0xff) << 16;
-  titleID_lo |= ((u32)( title[2] )& 0xff) << 8;
-  titleID_lo |= (u32)( title[3] ) & 0xff;
+    titleID_lo =  ((u32)( title[0] ) & 0xff) << 24;
+    titleID_lo |= ((u32)( title[1] )& 0xff) << 16;
+    titleID_lo |= ((u32)( title[2] )& 0xff) << 8;
+    titleID_lo |= (u32)( title[3] ) & 0xff;
 
-  titleID = ((u64)(titleID_hi) << 32)  | (u64)titleID_lo;
-  
-  // OS_TPrintf( "titleID = 0x%08x%08x\n", titleID_hi, titleID_lo); 
+    titleID = ((u64)(titleID_hi) << 32)  | (u64)titleID_lo;
 
-  isNwmActive  = 0;
+    // OS_TPrintf( "titleID = 0x%08x%08x\n", titleID_hi, titleID_lo);
 
-  if( NAM_OK == NAM_GetTitleBootContentPathFast(path, titleID) ) {
-    OS_TPrintf( "File = %s\n", path);
-  }
-  else {
-    OS_TPrintf( "Error: NAM_GetTitleBootContentPathFast titleID = 0x%08x0x%08x\n",titleID_hi, titleID_lo);
-    return FALSE;
-  }
+    if( NAM_OK == NAM_GetTitleBootContentPathFast(path, titleID) ) {
+        OS_TPrintf( "File = %s\n", path);
+    }
+    else {
+        OS_TPrintf( "Error: NAM_GetTitleBootContentPathFast titleID = 0x%08x0x%08x\n",titleID_hi, titleID_lo);
+        return -1;
+    }
 
-  if (!FS_OpenFileEx(file, path, FS_FILEMODE_R)) {
-    OS_TWarning("FS_OpenFileEx(%s) failed.\n", path);
-    return FALSE;
-  }
+    if (!FS_OpenFileEx(file, path, FS_FILEMODE_R)) {
+        OS_TWarning("FS_OpenFileEx(%s) failed.\n", path);
+        return -1;
+    }
 
-  if( FALSE == FS_SeekFile(file, sizeof(ROM_Header), FS_SEEK_SET) ) {
-    OS_TWarning("FS_SeekFile failed.\n");
-    return FALSE;
-  } 
+    if( FALSE == FS_SeekFile(file, sizeof(ROM_Header), FS_SEEK_SET) ) {
+        OS_TWarning("FS_SeekFile failed.\n");
+        return -1;
+    }
 
-  flen = FS_ReadFile(file, fwBuffer, sizeof(fwBuffer));
-  if( flen == -1 ) {
-    OS_TWarning("FS_ReadFile failed.\n");
-    return FALSE;
-  }
+    flen = FS_ReadFile(file, buffer, bufSize);
+    if( flen == -1 ) {
+        OS_TWarning("FS_ReadFile failed.\n");
+        return -1;
+    }
 
-  (void)FS_CloseFile(file);
+    (void)FS_CloseFile(file);
 
-
-  /*************************************************************/
-  
-  NWM_Init(nwmBuf, sizeof(nwmBuf), 3); /* 3 -> DMA no. */
-
-  (void)NWMi_InstallFirmware(fwBuffer, (u32)flen);
-
-  err = NWM_LoadDevice(nwmcallback);
-
-  /* osRecvMessage */
-
-  return TRUE;
+    return flen;
+}
+
+BOOL verifyWlanfirmSignature(u8* buffer)
+{
+    NWMFirmHeader *hdr = (NWMFirmHeader*)buffer;
+    u8 *pPubkey;
+
+    pPubkey = OSi_GetFromFirmAddr()->rsa_pubkey[WLANFIRM_PUBKEY_INDEX];
+//    OS_TWarning("Pubkey addr %x\n", pPubkey);
+
+    /* calculate SHA-1 digest */
+
+    /* decrypt according to RSA security */
+
+    /* verify digest */
+
+    return TRUE;
+
+}
+
+BOOL StartupWireless(void)
+{
+    s32 flen = 0;
+    NWMRetCode err;
+    u8 boot_policy = COLD_START;
+
+    /* [TODO:] HotStart/ColdStartのチェック */
+    
+
+    if (boot_policy == COLD_START)
+    {
+        flen = readFirmwareBinary((u8*)fwBuffer, sizeof(fwBuffer));
+        
+        if ( 0 > flen )
+        {
+            OS_TWarning("Couldn't read wlan firmware.\n");
+            return FALSE;
+        }
+
+        /*
+            [TODO:] check signature data
+         */
+
+    }
+
+    isNwmActive  = 0;
+    
+    /*************************************************************/
+
+    NWM_Init(nwmBuf, sizeof(nwmBuf), 3); /* 3 -> DMA no. */
+
+    /* In the case of cold start, should register appropriate firmware. */
+    if (boot_policy == COLD_START)
+    {
+        if ( 0 < flen )
+        {
+            (void)NWMi_InstallFirmware(fwBuffer, (u32)flen);
+        }
+    }
+
+    err = NWM_LoadDevice(nwmcallback);
+
+    /* osRecvMessage */
+
+    return TRUE;
+}
+
+BOOL CleanupWireless(void)
+{
+    /* [TBD]*/
 }

build/systemMenu_RED/Launcher/ARM9/src/loadWlanFirm.h

@@ -1,2 +1,34 @@
+/*---------------------------------------------------------------------------*
+  Project:  TWL_RED_IPL - 
+  File:     loadWlanFirm.h
 
-BOOL WirelessFirmwareDownloadStart(void);
+  Copyright 2008 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Date:: $
+  $Rev: $
+  $Author: $
+ *---------------------------------------------------------------------------*/
+
+#ifndef	__LAUNCHER_WIRELESS_H__
+#define	__LAUNCHER_WIRELESS_H__
+
+#include <twl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+BOOL StartupWireless(void);
+BOOL CleanupWireless(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // __LAUNCHER_WIRELESS_H__

build/systemMenu_RED/Launcher/ARM9/src/main.c

@@ -188,7 +188,7 @@ void TwlMain( void )
 
     // 無線ファームウェアを無線モジュールにダウンロードする。
 #if( WIRELESS_FIRM_LOADING == 1 )
-    if( FALSE == WirelessFirmwareDownloadStart() ) {
+    if( FALSE == StartupWireless() ) {
       OS_TPrintf( "ERROR: Wireless firmware download failed!\n" );
     }
 #endif