void main(void)
{
INT32 nRet;
OEMWriteDebugLED(0, 0x0);
// Set up the copy section data.
if (!SetupCopySection(pTOC))
{
while(1);
}
// Clear LEDs.
OEMWriteDebugLED(0, 0x0);
OEMInitDebugSerial();
OEMWriteDebugString(L" [NBL2] main() Starts !\r\n");
OEMWriteDebugString(L" [NBL2] Serial Initialized...\r\n");
nRet = FIL_Init();
if (nRet != FIL_SUCCESS)
{
OEMWriteDebugString(L" [NBL2:ERR] FIL_Init() : Failed\r\n");
while(1);
}
OEMWriteDebugString(L" [NBL2] FIL_Init() : Passed\r\n");
ShadowEboot();
OEMWriteDebugString(L" [NBL2] Launch Eboot...\r\n");
OEMLaunchImage(EBOOT_VIRTUAL_BASEADDR);
}
static void OEMMessageHandler(IPL_MESSAGE_CODE MessageCode, LPWSTR pMessageString)
{
// Write a hex LED code.
//
OEMWriteDebugString((UINT16 *)pMessageString);
}
void ShadowEboot(void)
{
LowFuncTbl *pLowFuncTbl;
UINT32 dwStartBlock, dwNumBlock, dwBlock;
UINT32 dwPageOffset;
INT32 nRet;
UINT8 pSBuf[512];
UINT8 *pBuffer;
BOOL32 bIsBadBlock = FALSE32;
memset(pSBuf, 0xFF, BYTES_PER_SPARE_SUPAGE); // Initialize the spare buffer
OEMWriteDebugString(L" [NBL2] ++ShadowEboot()\r\n");
pLowFuncTbl = FIL_GetFuncTbl();
pBuffer = (UINT8 *)EBOOT_VIRTUAL_BASEADDR;
dwStartBlock = VFL_EBOOT_START_BLOCK;
dwNumBlock = VFL_EBOOT_BLOCK_SIZE;
dwBlock = dwStartBlock;
while(dwNumBlock > 0)
{
if (dwBlock == (VFL_EBOOT_START_BLOCK+VFL_EBOOT_AREA_SIZE))
{
OEMWriteDebugString(L" [NBL2:ERR] ShadowEboot() Critical Error\r\n");
OEMWriteDebugString(L" [NBL2:ERR] Too many Bad Block\r\n");
while(1);
}
IS_CHECK_SPARE_ECC = FALSE32;
pLowFuncTbl->Read(0, dwBlock*PAGES_PER_BLOCK+PAGES_PER_BLOCK-1, 0x0, enuBOTH_PLANE_BITMAP, NULL, pSBuf, TRUE32, FALSE32);
IS_CHECK_SPARE_ECC = TRUE32;
if (TWO_PLANE_PROGRAM == TRUE32)
{
if (pSBuf[0] == 0xff && pSBuf[BYTES_PER_SPARE_PAGE] == 0xff)
bIsBadBlock = TRUE32;
}
else
{
if (pSBuf[0] == 0xff)
bIsBadBlock = TRUE32;
}
if (bIsBadBlock)
{
for (dwPageOffset=0; dwPageOffset<PAGES_PER_BLOCK; dwPageOffset++)
{
nRet = pLowFuncTbl->Read(0, dwBlock*PAGES_PER_BLOCK+dwPageOffset, FULL_SECTOR_BITMAP_PAGE, enuBOTH_PLANE_BITMAP, pBuffer+BYTES_PER_MAIN_SUPAGE*dwPageOffset, NULL, FALSE32, FALSE32);
if (nRet == FIL_U_ECC_ERROR)
{
OEMWriteDebugString(L" [NBL2:ERR] FIL_Read() : Uncorrectable ECC Error\r\n");
while(1);
}
else if (nRet == FIL_CRITICAL_ERROR)
{
OEMWriteDebugString(L" [NBL2:ERR] VFL_Read() : Critical Error\r\n");
while(1);
}
}
dwBlock++;
dwNumBlock--;
pBuffer += BYTES_PER_MAIN_SUPAGE*PAGES_PER_BLOCK;
continue;
}
else
{
OEMWriteDebugString(L" [NBL2:ERR] Bad Block Skipped\r\n");
dwBlock++;
continue;
}
}
OEMWriteDebugString(L" [NBL2] --ShadowEboot()\r\n");
}
BOOLEAN OEMGetUpdateMode(void)
{
BOOL *pfUpdateMode = NULL;
BSP_ARGS *iplpBSPArgs = ((BSP_ARGS *) IMAGE_SHARE_ARGS_UA_START);
BOOL fUpdateMode = iplpBSPArgs->fUpdateMode;
OALLog(L"OEMGetUpdateMode\r\n");
if(!fUpdateMode){
pfUpdateMode = (BOOL *) OALArgsQuery(OAL_ARGS_QUERY_UPDATEMODE);
if (pfUpdateMode == NULL)
{
OEMWriteDebugString(L"Invalid BSP Args - initializing to good values\r\n");
InitBSPArgs();
}
else
{
fUpdateMode = *pfUpdateMode;
}
}
else
{
// create the header
iplpBSPArgs->header.signature = OAL_ARGS_SIGNATURE;
iplpBSPArgs->header.oalVersion = OAL_ARGS_VERSION;
iplpBSPArgs->header.bspVersion = BSP_ARGS_VERSION;
RETAILMSG(1,(TEXT("updateTRUE but set ARG\r\n")));
}
if (fUpdateMode)
{
OEMWriteDebugString(L"Update Mode RAM flag is set\r\n");
}
else
{
// RAM flag is not set - are we recovering from power failure?
if (!BP_GetUpdateModeFlag(&fUpdateMode))
{
OEMWriteDebugString(L"Error in BP_GetUpdateModeFlag\r\n");
}
if (fUpdateMode)
{
OEMWriteDebugString(L"Update Mode Persistent flag is set\r\n");
}
}
if (fUpdateMode)
{
OEMWriteDebugString(L"----------------------------------------\r\n");
OEMWriteDebugString(L"--------------- LOAD ULDR --------------\r\n");
OEMWriteDebugString(L"----------------------------------------\r\n");
}
else
{
OEMWriteDebugString(L"----------------------------------------\r\n");
OEMWriteDebugString(L"--------------- LOAD OS --------------\r\n");
OEMWriteDebugString(L"----------------------------------------\r\n");
}
return(fUpdateMode);
}
