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NVRAM の NORファーム予約領域は今まで　NANDファーム起動フラグのみを書き換えていましたが、ページ単位で書き換えるように変更しました。（フラグ以外は０埋め）

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@1053 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
kamikawa 2008-04-03 07:16:19 +00:00
parent f98ce59f2f
commit 4da69ae12e
1 changed files with 37 additions and 4 deletions
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41
build/systemMenu_RED/NandInitializerRed/ARM9.TWL/src/process_nandfirm.c
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@ -52,9 +52,13 @@
#define FILE_NUM_MAX 16
#define NAND_BLOCK_BYTE 0x200
#define NAND_BOOT_FLAG_ADDRESS 0x2ff
#define NAND_FIRM_START_OFFSET 0x200
#define NVRAM_PAGE_SIZE 0x100
#define NVRAM_NORFIRM_RESERVED_ADDRESS 0x200
#define NVRAM_NORFIRM_NANDBOOT_FLAG_OFFSET 0xff
#define NVRAM_NORFIRM_NANDBOOT_FLAG 0x80
/*---------------------------------------------------------------------------*
内部変数定義
*---------------------------------------------------------------------------*/
@ -62,7 +66,7 @@
static s32 sMenuSelectNo;
static char sFilePath[FILE_NUM_MAX][FS_ENTRY_LONGNAME_MAX];
static u8 sFileNum;
static u8 sNandBootFlag = 0xff;
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
/*---------------------------------------------------------------------------*
内部関数宣言
@ -306,6 +310,7 @@ static BOOL WriteNandfirm(char* file_name)
{
FSFile file;
char full_path[FS_ENTRY_LONGNAME_MAX+6];
BOOL open_is_ok;
BOOL read_is_ok;
u8* pTempBuf;
@ -315,7 +320,8 @@ static BOOL WriteNandfirm(char* file_name)
BOOL result = TRUE;
u16 crc_w1, crc_w2;
u16 crc_r1, crc_r2;
u16 crc_norfirm_reserved_area_w, crc_norfirm_reserved_area_r;
// .nandのフルパスを作成
MakeFullPathForSD(file_name, full_path);
@ -392,12 +398,39 @@ static BOOL WriteNandfirm(char* file_name)
}
// nandfirm 起動フラグを立てる
if (kamiNvramWrite(NAND_BOOT_FLAG_ADDRESS, &sNandBootFlag, 1) == KAMI_RESULT_SEND_ERROR)
MI_CpuClear8( sNorFirmReservedData, NVRAM_PAGE_SIZE );
sNorFirmReservedData[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 );
DC_FlushRange( sNorFirmReservedData, NVRAM_PAGE_SIZE );
if (kamiNvramWrite(NVRAM_NORFIRM_RESERVED_ADDRESS, sNorFirmReservedData, 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)
{
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);
// 書き込み後のCRCを計算
crc_norfirm_reserved_area_r = SVC_GetCRC16( 0xffff, sNorFirmReservedData, 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 )
{
kamiFontPrintfConsoleEx(1, "Fail! Norfirm Reserved Area CRC check %x!=%x\n", crc_norfirm_reserved_area_w, crc_norfirm_reserved_area_r);
result = FALSE;
}
kamiFontPrintfConsoleEx(0, "NAND Firm Import Start!\n");
// NAND書き込み