android13/bootable/recovery/rkupdate/RKComm.cpp

699 lines
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/*
* Copyright 2019 Rockchip Electronics Co., Ltd
* Dayao Ji <jdy@rock-chips.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "rkupdate/RKComm.h"
#include "rkupdate/RKLog.h"
#include "rkupdate/RKAndroidDevice.h"
#include <cinttypes>
CRKComm::CRKComm(CRKLog *pLog)
{
m_log = pLog;
m_bEmmc = false;
m_hDev = m_hLbaDev = -1;
}
CRKComm::~CRKComm()
{
}
CRKUsbComm::CRKUsbComm(CRKLog *pLog):CRKComm(pLog)
{
//char bootmode[100];
//property_get("ro.bootmode", bootmode, "unknown");
//if(!strcmp(bootmode, "emmc"))
// m_bEmmc = true;
//else
// m_bEmmc = false;
char *emmc_point = getenv(EMMC_POINT_NAME);
pLog->Record(_T("INFO:emmc_point-->is %s"),emmc_point);
m_hLbaDev = open(emmc_point, O_RDWR|O_SYNC,0);
if (m_hLbaDev<0){
if (pLog)
pLog->Record(_T("INFO:is nand devices..."));
m_bEmmc = false;
}else{
if (pLog)
pLog->Record(_T("INFO:is emmc devices..."));
m_bEmmc = true;
long long filelen= lseek(m_hLbaDev,0L,SEEK_END);
lseek(m_hLbaDev,0L,SEEK_SET);
printf("flashSize is %lld\n",filelen);
m_FlashSize = filelen;
close(m_hLbaDev);
}
if (m_bEmmc)
{
if (pLog)
pLog->Record(_T("INFO:CRKUsbComm-->is emmc."));
m_hDev = open(EMMC_DRIVER_DEV_VENDOR,O_RDWR,0);
if (m_hDev<0)
{
if (pLog){
pLog->Record(_T("ERROR:CRKUsbComm-->open %s failed,err=%s"),EMMC_DRIVER_DEV_VENDOR, strerror(errno));
pLog->Record(_T("ERROR:CRKUsbComm-->try to read %s."),EMMC_DRIVER_DEV);
}
m_hDev = open(EMMC_DRIVER_DEV,O_RDWR,0);
if(m_hDev<0){
if (pLog){
pLog->Record(_T("ERROR:CRKUsbComm-->open %s failed,err=%s"),EMMC_DRIVER_DEV, strerror(errno));
pLog->Record(_T("ERROR:CRKUsbComm-->please to check drmboot.ko."));
}
}
else
{
if (pLog)
pLog->Record(_T("INFO:CRKUsbComm EMMC_DRIVER_DEV -->%s=%d"),EMMC_DRIVER_DEV,m_hDev);
}
}
else
{
if (pLog)
pLog->Record(_T("INFO:CRKUsbComm EMMC_DRIVER_DEV_VENDOR-->%s=%d"),EMMC_DRIVER_DEV_VENDOR,m_hDev);
}
//get EMMC_DRIVER_DEV_LBA from
m_hLbaDev= open(emmc_point, O_RDWR|O_SYNC,0);
if (m_hLbaDev<0)
{
if (pLog)
pLog->Record(_T("ERROR:CRKUsbComm-->open %s failed,err=%d"),emmc_point,errno);
}
else
{
if (pLog)
pLog->Record(_T("INFO:CRKUsbComm emmc_point-->%s=%d"),emmc_point,m_hLbaDev);
}
}
else
{
if (pLog)
pLog->Record(_T("INFO:CRKUsbComm-->is nand."));
m_hDev = open(NAND_DRIVER_DEV_VENDOR,O_RDWR,0);
if (m_hDev<0)
{
if (pLog){
pLog->Record(_T("ERROR:CRKUsbComm-->open %s failed,err=%d"),NAND_DRIVER_DEV_VENDOR,strerror(errno));
pLog->Record(_T("ERROR:CRKUsbComm-->try to read from %s."),EMMC_DRIVER_DEV_VENDOR);
}
m_hDev = open(EMMC_DRIVER_DEV_VENDOR,O_RDWR,0);
if (m_hDev<0){
if (pLog)
pLog->Record(_T("ERROR:CRKUsbComm-->open %s failed,err=%d"),EMMC_DRIVER_DEV_VENDOR,strerror(errno));
}else{
if (pLog)
pLog->Record(_T("INFO:CRKUsbComm-->%s=%d"),EMMC_DRIVER_DEV_VENDOR,m_hDev);
}
}
else
{
if (pLog)
pLog->Record(_T("INFO:CRKUsbComm-->%s=%d"),NAND_DRIVER_DEV_VENDOR,m_hDev);
}
// m_hLbaDev= open(NAND_DRIVER_DEV_LBA,O_RDWR|O_SYNC,0);
// if (m_hLbaDev<0)
// {
// if (pLog)
// pLog->Record(_T("ERROR:CRKUsbComm-->open %s failed,err=%d"),NAND_DRIVER_DEV_LBA,errno);
// }
// else
// {
// //CtrlNandLbaRead();
// CtrlNandLbaWrite();
// if (pLog)
// pLog->Record(_T("INFO:CRKUsbComm-->%s=%d"),NAND_DRIVER_DEV_LBA,m_hLbaDev);
// }
}
}
void CRKUsbComm::RKU_ReopenLBAHandle()
{
if (m_bEmmc)
return;
if (m_hLbaDev>0)
{
close(m_hLbaDev);
m_hLbaDev = -1;
}
// if (m_bEmmc)
// {
// m_hLbaDev= open(EMMC_DRIVER_DEV_LBA,O_RDWR|O_SYNC,0);
// if (m_hLbaDev<0)
// {
// if (m_log)
// m_log->Record(_T("ERROR:RKU_ReopenLBAHandle-->open %s failed,err=%d"),EMMC_DRIVER_DEV_LBA,errno);
// }
// else
// {
// if (m_log)
// m_log->Record(_T("INFO:RKU_ReopenLBAHandle-->%s=%d"),EMMC_DRIVER_DEV_LBA,m_hLbaDev);
// }
// }
// else
// {
m_hLbaDev= open(NAND_DRIVER_DEV_LBA,O_RDWR|O_SYNC,0);
if (m_hLbaDev<0)
{
if (m_log)
m_log->Record(_T("ERROR:RKU_ReopenLBAHandle-->open %s failed,err=%d"),NAND_DRIVER_DEV_LBA,errno);
}
else
{
if (m_log)
m_log->Record(_T("INFO:RKU_ReopenLBAHandle-->%s=%d"),NAND_DRIVER_DEV_LBA,m_hLbaDev);
}
// }
}
int CRKUsbComm::RKU_ShowNandLBADevice()
{
if (m_bEmmc)
return ERR_SUCCESS;
BYTE blockState[64];
memset(blockState,0,64);
int iRet;
iRet = RKU_TestBadBlock(0,0,MAX_TEST_BLOCKS,blockState);
if (iRet!=ERR_SUCCESS)
{
if (m_log)
m_log->Record(_T("ERROR:RKU_ShowNandLBADevice-->RKU_TestBadBlock failed,ret=%d"),iRet);
}
return iRet;
}
CRKUsbComm::~CRKUsbComm()
{
if (m_hDev>0)
close(m_hDev);
if (m_hLbaDev>0)
{
// if (!m_bEmmc)
// {
// CtrlNandLbaRead(false);
// CtrlNandLbaWrite(false);
// }
close(m_hLbaDev);
}
}
int CRKUsbComm::RKU_EraseBlock(BYTE ucFlashCS,DWORD dwPos,DWORD dwCount,BYTE ucEraseType)
{(void)ucFlashCS; (void)dwPos; (void)dwCount; (void)ucEraseType;
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_EraseBlock_discard(unsigned int dwPos, unsigned int part_size)
{
u64 range[2];
int ret;
range[0] = (off64_t)dwPos * 512;
range[1] = (off64_t)part_size * 512;
printf("dwPos = %" PRIu64 ", len=%" PRIu64 " \n", range[0], range[1]);
if (m_hLbaDev < 0)
return ERR_DEVICE_OPEN_FAILED;
ret = ioctl(m_hLbaDev, BLKDISCARD, &range);
if (ret < 0) {
printf("Discard failed\n");
return 1;
} else {
printf("Wipe used discard success\n");
return 0;
}
}
int CRKUsbComm::RKU_ReadChipInfo(BYTE* lpBuffer)
{(void)lpBuffer;
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_ReadFlashID(BYTE* lpBuffer)
{(void)lpBuffer;
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_ReadFlashInfo(BYTE* lpBuffer,UINT *puiRead)
{
int ret;
u32 page_buf[3];
if (m_hDev<0){
page_buf[0] = 0x00800000;
page_buf[1] = 0x00040400;
page_buf[2] = 0x00010028;
memcpy(lpBuffer, (unsigned char*)page_buf, 11);
*puiRead = 11;
}else{
ret = ioctl(m_hDev,GET_FLASH_INFO_IO,lpBuffer);
if (ret)
{
printf("RKU_ReadFlashInfo ioctl failed \n");
page_buf[0] = 0x00800000;
page_buf[1] = 0x00040400;
page_buf[2] = 0x00010028;
memcpy(lpBuffer, (unsigned char*)page_buf, 11);
}
*puiRead = 11;
}
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_ReadLBA(DWORD dwPos,DWORD dwCount,BYTE* lpBuffer,BYTE bySubCode)
{
long long ret;
long long dwPosBuf;
(void)bySubCode;
if (m_hLbaDev<0)
{
if (!m_bEmmc)
{
m_hLbaDev= open(NAND_DRIVER_DEV_LBA,O_RDWR|O_SYNC,0);
if (m_hLbaDev<0)
{
if (m_log)
m_log->Record(_T("ERROR:RKU_ReadLBA-->open %s failed,err=%d"),NAND_DRIVER_DEV_LBA,errno);
return ERR_DEVICE_OPEN_FAILED;
}
else
{
if (m_log)
m_log->Record(_T("INFO:RKU_ReadLBA-->open %s ok,handle=%d"),NAND_DRIVER_DEV_LBA,m_hLbaDev);
}
}
else
return ERR_DEVICE_OPEN_FAILED;
}
if (m_bEmmc && !CRKAndroidDevice::bGptFlag)
dwPos += 8192;
dwPosBuf = dwPos;
ret = lseek64(m_hLbaDev,(off64_t)dwPosBuf*512,SEEK_SET);
if (ret<0)
{
if (m_log){
m_log->Record(_T("ERROR:RKU_ReadLBA seek failed,err=%d,ret=%lld."),errno,ret);
m_log->Record(_T("the dwPosBuf = dwPosBuf*512,dwPosBuf:%lld!"), dwPosBuf*512);
}
return ERR_FAILED;
}
ret = read(m_hLbaDev,lpBuffer,dwCount*512);
if (ret!=dwCount*512)
{
if (m_log)
m_log->Record(_T("ERROR:RKU_ReadLBA read failed,err=%d"),errno);
return ERR_FAILED;
}
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_ReadLBA_Direct(DWORD dwPos,DWORD dwCount,BYTE* lpBuffer,BYTE bySubCode)
{
long long ret;
long long dwPosBuf;
(void)bySubCode;
if (m_hLbaDev<0)
{
if (!m_bEmmc)
{
m_hLbaDev= open(NAND_DRIVER_DEV_LBA,O_RDWR|O_SYNC,0);
if (m_hLbaDev<0)
{
if (m_log)
m_log->Record(_T("ERROR:RKU_ReadLBA-->open %s failed,err=%d"),NAND_DRIVER_DEV_LBA,errno);
return ERR_DEVICE_OPEN_FAILED;
}
else
{
if (m_log)
m_log->Record(_T("INFO:RKU_ReadLBA-->open %s ok,handle=%d"),NAND_DRIVER_DEV_LBA,m_hLbaDev);
}
}
else
return ERR_DEVICE_OPEN_FAILED;
}
dwPosBuf = dwPos;
ret = lseek64(m_hLbaDev,(off64_t)dwPosBuf*512,SEEK_SET);
if (ret<0)
{
if (m_log){
m_log->Record(_T("ERROR:RKU_ReadLBA seek failed,err=%d,ret=%lld."),errno,ret);
m_log->Record(_T("the dwPosBuf = dwPosBuf*512,dwPosBuf:%lld!"), dwPosBuf*512);
}
return ERR_FAILED;
}
ret = read(m_hLbaDev,lpBuffer,dwCount*512);
if (ret!=dwCount*512)
{
if (m_log)
m_log->Record(_T("ERROR:RKU_ReadLBA read failed,err=%d"),errno);
return ERR_FAILED;
}
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_ReadSector(DWORD dwPos,DWORD dwCount,BYTE* lpBuffer)
{
int ret;
if (m_hDev<0){
//printf("RKU_ReadSector m_hDev is negative \n");
return RKU_ReadLBA_Direct(dwPos,dwCount,lpBuffer,RWMETHOD_LBA);
}
DWORD *pOffsetSec=(DWORD *)(lpBuffer);
DWORD *pCountSec=(DWORD *)(lpBuffer+4);
*pOffsetSec = dwPos;
*pCountSec = dwCount;
ret = ioctl(m_hDev,READ_SECTOR_IO,lpBuffer);
if (ret)
{
if (m_log)
m_log->Record(_T("RKU_ReadSector,err=%d"),errno);
return RKU_ReadLBA_Direct(dwPos,dwCount,lpBuffer,RWMETHOD_LBA);
}
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_ResetDevice(BYTE bySubCode)
{
(void)bySubCode;
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_TestBadBlock(BYTE ucFlashCS,DWORD dwPos,DWORD dwCount,BYTE* lpBuffer)
{
int ret;
(void)ucFlashCS; (void)dwPos; (void)dwCount;
if (m_hDev<0){
return ERR_SUCCESS;
}
ret = ioctl(m_hDev,GET_BAD_BLOCK_IO,lpBuffer);
if (ret)
{
if (m_log)
m_log->Record(_T("RKU_TestBadBlock,err=%d"),errno);
return ERR_SUCCESS;
}
if (m_log)
{
string strOutput;
m_log->PrintBuffer(strOutput,lpBuffer,64);
m_log->Record(_T("INFO:BadBlockState:\r\n%s"),strOutput.c_str());
}
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_TestDeviceReady(DWORD *dwTotal,DWORD *dwCurrent,BYTE bySubCode)
{
(void)dwTotal; (void)dwCurrent; (void)bySubCode;
return ERR_DEVICE_READY;
}
int CRKUsbComm::RKU_WriteLBALoader(DWORD dwPos,DWORD dwCount,BYTE* lpBuffer,BYTE bySubCode)
{
long long ret;
long long dwPosBuf;
(void)bySubCode;
if (m_hLbaDev<0)
{
printf("---------m_hLbaDev<0\n");
if (!m_bEmmc)
{
printf("---------nand\n");
m_hLbaDev= open(NAND_DRIVER_DEV_LBA,O_RDWR|O_SYNC,0);
if (m_hLbaDev<0)
{
if (m_log)
m_log->Record(_T("ERROR:RKU_WriteLBA-->open %s failed,err=%d"),NAND_DRIVER_DEV_LBA,errno);
return ERR_DEVICE_OPEN_FAILED;
}
else
{
if (m_log)
m_log->Record(_T("INFO:RKU_WriteLBA-->open %s ok,handle=%d"),NAND_DRIVER_DEV_LBA,m_hLbaDev);
}
}
else
return ERR_DEVICE_OPEN_FAILED;
}
/*
if (m_bEmmc && !CRKAndroidDevice::bGptFlag)
{
m_log->Record(_T("add----8192"));
dwPos += 8192;
}*/
//<2F><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>GPT<50><54>Ҫ<EFBFBD><D2AA>8192,<2C><><EFBFBD>ǵ<EFBFBD><C7B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>loader<65><72><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>8192(4M)
/*
if (m_bEmmc)
if(!CRKAndroidDevice::bGptFlag && !CRKAndroidDevice::bOnlyLoader)
{
m_log->Record(_T("aaaaadd----8192"));
dwPos += 8192;
}*/
dwPosBuf = dwPos;
ret = lseek64(m_hLbaDev,(off64_t)dwPosBuf*512,SEEK_SET);
if (ret<0)
{
if (m_log){
m_log->Record(_T("ERROR:RKU_WriteLBA seek failed,err=%d,ret:%lld"),errno, ret);
m_log->Record(_T("ERROR:the dwPosBuf = dwPosBuf*512,dwPosBuf:%lld!"), dwPosBuf*512);
}
m_log->Record(_T("ERROR:RKU_WriteLBA seek failed,err=%d,ret:%lld"),errno, ret);
m_log->Record(_T("ERROR:the dwPosBuf = dwPosBuf*512,dwPosBuf:%lld!"), dwPosBuf*512);
return ERR_FAILED;
}
ret = write(m_hLbaDev,lpBuffer,dwCount*512);
if (ret!=dwCount*512)
{
sleep(1);
if (m_log)
m_log->Record(_T("ERROR:RKU_WriteLBA write failed,err=%d"),errno);
return ERR_FAILED;
}
// ret = fsync(m_hLbaDev);
// if (ret!=0)
// {
// if (m_log)
// m_log->Record(_T("ERROR:RKU_WriteLBA fsync failed,err=%d"),errno);
// }
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_WriteLBA(DWORD dwPos,DWORD dwCount,BYTE* lpBuffer,BYTE bySubCode)
{
long long ret;
long long dwPosBuf;
(void)bySubCode;
if (m_hLbaDev<0)
{
printf("---------m_hLbaDev<0\n");
if (!m_bEmmc)
{
printf("---------nand\n");
m_hLbaDev= open(NAND_DRIVER_DEV_LBA,O_RDWR|O_SYNC,0);
if (m_hLbaDev<0)
{
if (m_log)
m_log->Record(_T("ERROR:RKU_WriteLBA-->open %s failed,err=%d"),NAND_DRIVER_DEV_LBA,errno);
return ERR_DEVICE_OPEN_FAILED;
}
else
{
if (m_log)
m_log->Record(_T("INFO:RKU_WriteLBA-->open %s ok,handle=%d"),NAND_DRIVER_DEV_LBA,m_hLbaDev);
}
}
else
return ERR_DEVICE_OPEN_FAILED;
}
if (m_bEmmc && !CRKAndroidDevice::bGptFlag)
{
m_log->Record(_T("add----8192"));
dwPos += 8192;
}
//<2F><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>GPT<50><54>Ҫ<EFBFBD><D2AA>8192,<2C><><EFBFBD>ǵ<EFBFBD><C7B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>loader<65><72><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>8192(4M)
/*
if (m_bEmmc)
if(!CRKAndroidDevice::bGptFlag && !CRKAndroidDevice::bOnlyLoader)
{
m_log->Record(_T("aaaaadd----8192"));
dwPos += 8192;
}*/
dwPosBuf = dwPos;
ret = lseek64(m_hLbaDev,(off64_t)dwPosBuf*512,SEEK_SET);
if (ret<0)
{
if (m_log){
m_log->Record(_T("ERROR:RKU_WriteLBA seek failed,err=%d,ret:%lld"),errno, ret);
m_log->Record(_T("ERROR:the dwPosBuf = dwPosBuf*512,dwPosBuf:%lld!"), dwPosBuf*512);
}
m_log->Record(_T("ERROR:RKU_WriteLBA seek failed,err=%d,ret:%lld"),errno, ret);
m_log->Record(_T("ERROR:the dwPosBuf = dwPosBuf*512,dwPosBuf:%lld!"), dwPosBuf*512);
return ERR_FAILED;
}
ret = write(m_hLbaDev,lpBuffer,dwCount*512);
if (ret!=dwCount*512)
{
sleep(1);
if (m_log)
m_log->Record(_T("ERROR:RKU_WriteLBA write failed,err=%d"),errno);
return ERR_FAILED;
}
// ret = fsync(m_hLbaDev);
// if (ret!=0)
// {
// if (m_log)
// m_log->Record(_T("ERROR:RKU_WriteLBA fsync failed,err=%d"),errno);
// }
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_WriteSector(DWORD dwPos,DWORD dwCount,BYTE* lpBuffer)
{
int ret;
if (m_hDev<0){
//printf("RKU_WriteSector m_hDev is negative \n");
return RKU_WriteLBALoader(dwPos,dwCount,lpBuffer,RWMETHOD_LBA);
}
DWORD *pOffset=(DWORD *)(lpBuffer);
DWORD *pCount=(DWORD *)(lpBuffer+4);
*pOffset = dwPos;
*pCount = dwCount;
ret = ioctl(m_hDev,WRITE_SECTOR_IO,lpBuffer);
if (ret)
{
if (m_log)
m_log->Record(_T("RKU_WriteSector,err=%d"),errno);
return RKU_WriteLBALoader(dwPos,dwCount,lpBuffer,RWMETHOD_LBA);
}
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_GetLockFlag(BYTE* lpBuffer)
{
int ret;
if (m_hDev<0){
//printf("RKU_GetLockFlag m_hDev is negative \n");
DWORD *pFlag=(DWORD *)lpBuffer;
*pFlag = 0;
return ERR_SUCCESS;
}
ret = ioctl(m_hDev,GET_LOCK_FLAG_IO,lpBuffer);
if (ret)
{
DWORD *pFlag=(DWORD *)lpBuffer;
*pFlag = 0;
if (m_log)
m_log->Record(_T("RKU_GetLockFlag,err=%d"),errno);
return ERR_SUCCESS;
}
DWORD *pFlag=(DWORD *)lpBuffer;
if (m_log)
{
m_log->Record(_T("INFO:LockFlag:0x%08x"),*pFlag);
}
return ERR_SUCCESS;
}
int CRKUsbComm::RKU_GetPublicKey(BYTE* lpBuffer)
{
int ret;
if (m_hDev<0)
return ERR_DEVICE_OPEN_FAILED;
ret = ioctl(m_hDev,GET_PUBLIC_KEY_IO,lpBuffer);
if (ret)
{
if (m_log)
m_log->Record(_T("ERROR:RKU_GetPublicKey failed,err=%d"),errno);
return ERR_FAILED;
}
return ERR_SUCCESS;
}
bool CRKUsbComm::CtrlNandLbaWrite(bool bEnable)
{
int ret;
if (m_bEmmc)
return false;
if (m_hLbaDev<0)
return false;
if (bEnable)
ret = ioctl(m_hLbaDev,ENABLE_NAND_LBA_WRITE_IO);
else
ret = ioctl(m_hLbaDev,DISABLE_NAND_LBA_WRITE_IO);
if (ret)
{
if (m_log)
m_log->Record(_T("ERROR:CtrlNandLbaWrite failed,enable=%d,err=%d"),bEnable,errno);
return false;
}
return true;
}
bool CRKUsbComm::CtrlNandLbaRead(bool bEnable)
{
int ret;
if (m_bEmmc)
return false;
if (m_hLbaDev<0)
return false;
if (bEnable)
ret = ioctl(m_hLbaDev,ENABLE_NAND_LBA_READ_IO);
else
ret = ioctl(m_hLbaDev,DISABLE_NAND_LBA_READ_IO);
if (ret)
{
if (m_log)
m_log->Record(_T("ERROR:CtrlNandLbaRead failed,enable=%d,err=%d"),bEnable,errno);
return false;
}
return true;
}
long long CRKUsbComm::RKU_GetFlashSize()
{
long long length;
if (m_hLbaDev<0)
{
if (!m_bEmmc)
{
m_hLbaDev= open(NAND_DRIVER_DEV_LBA,O_RDWR|O_SYNC,0);
if (m_hLbaDev<0)
{
if (m_log)
m_log->Record(_T("ERROR:RKU_ReadLBA-->open %s failed,err=%d"),NAND_DRIVER_DEV_LBA,errno);
return ERR_DEVICE_OPEN_FAILED;
}
else
{
if (m_log)
m_log->Record(_T("INFO:RKU_ReadLBA-->open %s ok,handle=%d"),NAND_DRIVER_DEV_LBA,m_hLbaDev);
}
}
else
return ERR_DEVICE_OPEN_FAILED;
}
length = lseek64(m_hLbaDev,(off64_t)0,SEEK_END);
if (length < 0)
{
if (m_log){
m_log->Record(_T("RKU_GetFlashSize get flash size failed"));
}
return 0;
}
return (length/512);
}