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Nandファーム書き込み時に NVRAM の 未割り当て領域先頭256byte と 予約領域 256byte を０クリアするようにしました。

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@1059 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
kamikawa 2008-04-03 11:45:48 +00:00
parent 934a3a7ccc
commit fece573d78
1 changed files with 74 additions and 11 deletions
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85
build/systemMenu_RED/NandInitializerRed/ARM9.TWL/src/process_nandfirm.c
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@ -37,6 +37,10 @@
/*---------------------------------------------------------------------------*
マクロ定義
*---------------------------------------------------------------------------*/
// NANDファーム書き込みの際にNVRAMの未割り当て領域＋予約領域を０クリアする場合は定義します（開発用）
//#define CLEAR_NON_ASIGNED_AREA_AND_RESERVED_AREA_ALL
#define ROUND_UP(value, alignment) \
(((u32)(value) + (alignment-1)) & ~(alignment-1))
@ -59,6 +63,8 @@
#define NVRAM_NORFIRM_NANDBOOT_FLAG_OFFSET 0xff
#define NVRAM_NORFIRM_NANDBOOT_FLAG 0x80
#define NVRAM_NON_ASIGNED_AREA_ADDRESS 0x300
/*---------------------------------------------------------------------------*
内部変数定義
*---------------------------------------------------------------------------*/
@ -66,7 +72,8 @@
static s32 sMenuSelectNo;
static char sFilePath[FILE_NUM_MAX][FS_ENTRY_LONGNAME_MAX];
static u8 sFileNum;
static u8 sNorFirmReservedData[NVRAM_PAGE_SIZE]; // ARM7からアクセスするためスタックでは駄目
static u8 sNvramPageSizeBuffer[NVRAM_PAGE_SIZE] ATTRIBUTE_ALIGN(32); // ARM7からアクセスするためスタックでは駄目
static u32 sReservedAreaEndAddress;
/*---------------------------------------------------------------------------*
内部関数宣言
@ -321,7 +328,10 @@ static BOOL WriteNandfirm(char* file_name)
u16 crc_w1, crc_w2;
u16 crc_r1, crc_r2;
u16 crc_norfirm_reserved_area_w, crc_norfirm_reserved_area_r;
#ifdef CLEAR_NON_ASIGNED_AREA_AND_RESERVED_AREA_ALL
u32 write_offset;
#endif
// .nandのフルパスを作成
MakeFullPathForSD(file_name, full_path);
@ -398,31 +408,31 @@ static BOOL WriteNandfirm(char* file_name)
}
// nandfirm 起動フラグを立てる
MI_CpuClear8( sNorFirmReservedData, NVRAM_PAGE_SIZE );
sNorFirmReservedData[NVRAM_NORFIRM_NANDBOOT_FLAG_OFFSET] = NVRAM_NORFIRM_NANDBOOT_FLAG;
MI_CpuClear8( sNvramPageSizeBuffer, NVRAM_PAGE_SIZE );
sNvramPageSizeBuffer[NVRAM_NORFIRM_NANDBOOT_FLAG_OFFSET] = NVRAM_NORFIRM_NANDBOOT_FLAG;
// NORファームリザーブ領域の書き込みデータのCRCを計算
crc_norfirm_reserved_area_w = SVC_GetCRC16( 0xffff, sNorFirmReservedData, NVRAM_PAGE_SIZE );
crc_norfirm_reserved_area_w = SVC_GetCRC16( 0xffff, sNvramPageSizeBuffer, NVRAM_PAGE_SIZE );
DC_FlushRange( sNorFirmReservedData, NVRAM_PAGE_SIZE );
if (kamiNvramWrite(NVRAM_NORFIRM_RESERVED_ADDRESS, sNorFirmReservedData, NVRAM_PAGE_SIZE) == KAMI_RESULT_SEND_ERROR)
DC_FlushRange( sNvramPageSizeBuffer, NVRAM_PAGE_SIZE );
if (kamiNvramWrite(NVRAM_NORFIRM_RESERVED_ADDRESS, sNvramPageSizeBuffer, NVRAM_PAGE_SIZE) == KAMI_RESULT_SEND_ERROR)
{
kamiFontPrintfConsoleEx(1, "Fail kamiNvramWrite()\n");
result = FALSE;
}
// CRCを計算するので念のためにクリアしてからリードする
MI_CpuFill8( sNorFirmReservedData, 0xee, NVRAM_PAGE_SIZE );
if (kamiNvramRead(NVRAM_NORFIRM_RESERVED_ADDRESS, sNorFirmReservedData, NVRAM_PAGE_SIZE) == KAMI_RESULT_SEND_ERROR)
MI_CpuFill8( sNvramPageSizeBuffer, 0xee, NVRAM_PAGE_SIZE );
if (kamiNvramRead(NVRAM_NORFIRM_RESERVED_ADDRESS, sNvramPageSizeBuffer, NVRAM_PAGE_SIZE) == KAMI_RESULT_SEND_ERROR)
{
kamiFontPrintfConsoleEx(1, "Fail kamiNvramRead()\n");
result = FALSE;
}
// 読み込みはARM7が直接メモリに書き出すため
DC_InvalidateRange(sNorFirmReservedData, NVRAM_PAGE_SIZE);
DC_InvalidateRange(sNvramPageSizeBuffer, NVRAM_PAGE_SIZE);
// 書き込み後のCRCを計算
crc_norfirm_reserved_area_r = SVC_GetCRC16( 0xffff, sNorFirmReservedData, NVRAM_PAGE_SIZE );
crc_norfirm_reserved_area_r = SVC_GetCRC16( 0xffff, sNvramPageSizeBuffer, NVRAM_PAGE_SIZE );
// NORファームリザーブ領域のCRC比較
if ( crc_norfirm_reserved_area_w != crc_norfirm_reserved_area_r )
@ -431,6 +441,59 @@ static BOOL WriteNandfirm(char* file_name)
result = FALSE;
}
#ifdef CLEAR_NON_ASIGNED_AREA_AND_RESERVED_AREA_ALL
// 未割り当て領域＋予約領域を０クリアします（開発用）
if (kamiNvramRead(NVRAM_CONFIG_DATA_OFFSET_ADDRESS, &sNvramPageSizeBuffer, NVRAM_PAGE_SIZE) == KAMI_RESULT_SEND_ERROR)
{
kamiFontPrintfConsoleEx(1, "Fail kamiNvramRead()\n");
result = FALSE;
}
DC_InvalidateRange( sNvramPageSizeBuffer, NVRAM_PAGE_SIZE );
sReservedAreaEndAddress = (u32)(*(u16 *)sNvramPageSizeBuffer << NVRAM_CONFIG_DATA_OFFSET_SHIFT) - 0xA00;// TWL WiFi設定 + NTR WiFi設定 を差し引く
//OS_Printf("end = %x\n", sReservedAreaEndAddress);
MI_CpuFill8( sNvramPageSizeBuffer, 0x00, NVRAM_PAGE_SIZE );
DC_FlushRange( sNvramPageSizeBuffer, NVRAM_PAGE_SIZE );
for (write_offset=NVRAM_NON_ASIGNED_AREA_ADDRESS; write_offset < sReservedAreaEndAddress; write_offset += NVRAM_PAGE_SIZE)
{
if (kamiNvramWrite(write_offset, sNvramPageSizeBuffer, NVRAM_PAGE_SIZE) == KAMI_RESULT_SEND_ERROR)
{
kamiFontPrintfConsoleEx(1, "Fail kamiNvramWrite()\n");
result = FALSE;
}
}
//OS_Printf("write_offset = %x\n", write_offset);
#else
// 未割り当て領域先頭256byte＋予約領域を０クリアします
MI_CpuFill8( sNvramPageSizeBuffer, 0x00, NVRAM_PAGE_SIZE );
DC_FlushRange( sNvramPageSizeBuffer, NVRAM_PAGE_SIZE );
if (kamiNvramWrite(NVRAM_NON_ASIGNED_AREA_ADDRESS, sNvramPageSizeBuffer, NVRAM_PAGE_SIZE) == KAMI_RESULT_SEND_ERROR)
{
kamiFontPrintfConsoleEx(1, "Fail kamiNvramWrite()\n");
result = FALSE;
}
if (kamiNvramRead(NVRAM_CONFIG_DATA_OFFSET_ADDRESS, &sNvramPageSizeBuffer, NVRAM_PAGE_SIZE) == KAMI_RESULT_SEND_ERROR)
{
kamiFontPrintfConsoleEx(1, "Fail kamiNvramRead()\n");
result = FALSE;
}
DC_InvalidateRange( sNvramPageSizeBuffer, NVRAM_PAGE_SIZE );
sReservedAreaEndAddress = (u32)(*(u16 *)sNvramPageSizeBuffer << NVRAM_CONFIG_DATA_OFFSET_SHIFT) - 0xA00;// TWL WiFi設定 + NTR WiFi設定 を差し引く
MI_CpuFill8( sNvramPageSizeBuffer, 0x00, NVRAM_PAGE_SIZE );
DC_FlushRange( sNvramPageSizeBuffer, NVRAM_PAGE_SIZE );
if (kamiNvramWrite(sReservedAreaEndAddress - 0x100, sNvramPageSizeBuffer, NVRAM_PAGE_SIZE) == KAMI_RESULT_SEND_ERROR)
{
kamiFontPrintfConsoleEx(1, "Fail kamiNvramWrite()\n");
result = FALSE;
}
#endif
kamiFontPrintfConsoleEx(0, "NAND Firm Import Start!\n");
// NAND書き込み