[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/lib/aee/kdump_sd.c b/src/bsp/lk/lib/aee/kdump_sd.c
new file mode 100644
index 0000000..1ae6ffe
--- /dev/null
+++ b/src/bsp/lk/lib/aee/kdump_sd.c
@@ -0,0 +1,897 @@
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <malloc.h>
+#include <platform/mtk_wdt.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "aee.h"
+#include "kdump.h"
+#include "kdump_sdhc.h"
+
+#define PAGE_SIZE 4096
+
+#define DEVICE_SECTOR_BYTES 512
+
+FAT_Para m_bFATInfo;
+uint32_t m_bLastFATPage;
+struct aee_timer total_time;
+static struct mrdump_dev *dumpdev;
+
+LfnEntry g_LfnEntry = {
+    0x41,                               // sequence number
+    {'C','\0','E','\0','D','\0','u','\0','m','\0'},                     // name characters (five UTF-16 characters)
+    0x0F,                               // attributes (always 0x0F)
+    0x00,                               // reserved (alwyas 0x00)
+    0xDF,                               // checksum of DOS file name
+    {'p','\0','.','\0','k','\0','d','\0','m','\0','p','\0'},            // name characters (six UTF-16 characters)
+    0x0000,                             // word of first cluster (always 0x0000)
+    {'\0','\0',0xFF,0xFF}
+};
+
+DirEntry g_DirEntry = {
+    {'C','E','D','U','M','P','~','1','K','D','M'},              // name
+    0x20,                           // attr
+    0x00,                           // NTflags
+    0x00,                           // createdTimeMsec
+    0x63E8,                         // createdTime
+    0x2E21,                         // createdDate
+    0x2E21,                         // lastAccessDate
+    0x0000,                         // clusFirstHigh
+    0x6490,                         // time
+    0x2E21,                         // date
+    0x0000,                         // clusFirst
+    0x00000000                      // size
+};
+
+unsigned int OALGetTickCount(void)
+{
+    return 0 ;
+}
+
+static unsigned char ToLower(unsigned char c)
+{
+    if ((c >= 'A') && (c <= 'Z'))
+        return c+ 'a' - 'A';
+    else
+        return c;
+}
+
+static bool Compare_sd(const uint8_t *a, const uint8_t *b, int length)
+{
+    while (length--) {
+        if (ToLower(*a++) != ToLower(*b++))
+            return false;
+    }
+    return true;
+}
+
+static uint32_t BytesToNum_sd(uint8_t *b, int bytes)
+{
+    uint32_t result = 0;
+    int i;
+
+    for (i = 0; i < bytes; i++) {
+        result |= b[i] << (i << 3);
+    }
+    return result;
+}
+
+static bool fatfs_dev_read(struct mrdump_dev *dev, uint64_t sector_addr, uint8_t *pdBuf, int32_t blockLen)
+{
+    return dev->read(dev, sector_addr * DEVICE_SECTOR_BYTES, pdBuf, blockLen * DEVICE_SECTOR_BYTES);
+}
+
+static bool fatfs_dev_write(struct mrdump_dev *dev, uint64_t sector_addr, uint8_t *pdBuf, int32_t blockLen)
+{
+    return dev->write(dev, sector_addr * DEVICE_SECTOR_BYTES, pdBuf, blockLen * DEVICE_SECTOR_BYTES);
+}
+
+static void fatfs_commit_fat_entry(FileHandler *pFileHandler, int fat_offset, uint32_t value)
+{
+    if (m_bFATInfo.FileSysType == FAT_32) {
+        pFileHandler->FATBuffer[fat_offset * 4] = (value) & 0xff;
+        pFileHandler->FATBuffer[fat_offset * 4 + 1] = (value >> 8) & 0xff;
+        pFileHandler->FATBuffer[fat_offset * 4 + 2] = (value >> 16) & 0xff;
+        pFileHandler->FATBuffer[fat_offset * 4 + 3] = (value >> 24) & 0xff;
+    } else {
+        pFileHandler->FATBuffer[fat_offset * 2] = (value) & 0xff;
+        pFileHandler->FATBuffer[fat_offset * 2 + 1] = (value >> 8) & 0xff;
+    }
+}
+
+uint32_t FindBootPartition_sd(uint8_t *SectorBuffer)
+{
+    uint32_t PartitionStart;
+    uint32_t PartitionTpye;
+    PartitionTpye = BytesToNum_sd(SectorBuffer + 0x1c2, 1);
+    PartitionStart = BytesToNum_sd(SectorBuffer + 0x1c6, 4);
+
+    voprintf_debug("SDCard: PartitionStart=0x%x ,PartitionTpye=0x%x\n", PartitionStart, PartitionTpye);
+    if (PartitionTpye == 5) {
+        if (!fatfs_dev_read(dumpdev, PartitionStart,SectorBuffer,1)) {
+            voprintf_debug("SDCard: can not find BootPosition! \n");
+            return 0;
+        }
+        PartitionStart += BytesToNum_sd(SectorBuffer + 0x1c6, 4);
+        voprintf_debug("SDCard: PartitionStart=0x%x\n", PartitionStart);
+    }
+    return PartitionStart;
+}
+
+bool ReadBootPartition_sd(uint8_t *SectorBuffer)
+{
+    m_bFATInfo.BPB_BytsPerSec = BytesToNum_sd(SectorBuffer+11, 2);
+    m_bFATInfo.BPB_SecPerClus = BytesToNum_sd(SectorBuffer+13, 1);
+    m_bFATInfo.BPB_RsvdSecCnt = BytesToNum_sd(SectorBuffer+14, 2);
+    m_bFATInfo.BPB_NumFATs = BytesToNum_sd(SectorBuffer+16, 1);
+    m_bFATInfo.BPB_FATSz = BytesToNum_sd(SectorBuffer+22, 2);
+    if (m_bFATInfo.BPB_FATSz) {
+        m_bFATInfo.FileSysType = FAT_16;
+        m_bFATInfo.BPB_RootEntCnt = BytesToNum_sd(SectorBuffer+17, 2);
+        m_bFATInfo.BPB_TotSec = BytesToNum_sd(SectorBuffer+19, 2);
+        m_bFATInfo.BPB_RootClus = 0;
+        voprintf_debug("SDCard: FilSysType = FAT16\n");
+    } else {
+        m_bFATInfo.FileSysType = FAT_32;
+        m_bFATInfo.BPB_TotSec = BytesToNum_sd(SectorBuffer+32, 4);
+        m_bFATInfo.BPB_FATSz = BytesToNum_sd(SectorBuffer+36, 4);
+        m_bFATInfo.BPB_RootEntCnt = 0;
+        m_bFATInfo.BPB_RootClus = BytesToNum_sd(SectorBuffer+44, 4);
+        voprintf_debug("SDCard: FilSysType = FAT32\n");
+    }
+
+    voprintf_debug("SDCard: BPB_BytsPerSec = 0x%04x\n", m_bFATInfo.BPB_BytsPerSec);
+    voprintf_debug("SDCard: BPB_SecPerClus = 0x%02x\n", m_bFATInfo.BPB_SecPerClus);
+    voprintf_debug("SDCard: BPB_RsvdSecCnt = 0x%04x\n", m_bFATInfo.BPB_RsvdSecCnt);
+    voprintf_debug("SDCard: BPB_NumFATs = 0x%02x\n", m_bFATInfo.BPB_NumFATs);
+    voprintf_debug("SDCard: BPB_FATSz = 0x%08x\n", m_bFATInfo.BPB_FATSz);
+    voprintf_debug("SDCard: BPB_RootClus = 0x%08x\n", m_bFATInfo.BPB_RootClus);
+    voprintf_debug("SDCard: BPB_TotSec = 0x%08x\n", m_bFATInfo.BPB_TotSec);
+
+    if ((PAGE_SIZE > m_bFATInfo.BPB_SecPerClus * m_bFATInfo.BPB_BytsPerSec) ||
+            ((m_bFATInfo.BPB_SecPerClus * m_bFATInfo.BPB_BytsPerSec) % PAGE_SIZE != 0)) {
+        voprintf_error("Can't support SDCard cluster bytes %d\n", m_bFATInfo.BPB_SecPerClus * m_bFATInfo.BPB_BytsPerSec);
+        return false;
+    }
+    return true;
+}
+
+static bool Block0_is_BootSector(uint8_t *Ptr)
+{
+    uint32_t BytesPerSec = 0;
+    uint32_t SecPerClus = 0;
+    uint32_t BPB_Media = 0;
+
+    BytesPerSec = BytesToNum_sd(Ptr + 11, 2);
+    if (!((BytesPerSec == 512)||(BytesPerSec == 1024)||(BytesPerSec == 2048)||(BytesPerSec == 4096))) {
+        voprintf_error("Unsupport sector size %d\n", BytesPerSec);
+        return false;
+    }
+    SecPerClus = BytesToNum_sd(Ptr + 13, 1);
+    if (!((SecPerClus == 1)||(SecPerClus == 2)||(SecPerClus == 4)||
+            (SecPerClus == 8)||(SecPerClus == 16)||(SecPerClus == 32)||
+            (SecPerClus == 64)||(SecPerClus == 128)) &&
+            (SecPerClus * BytesPerSec <= 0x10000)) {
+        voprintf_error("Unsupport cluster size %d\n", SecPerClus);
+        return false;
+    }
+    BPB_Media = BytesToNum_sd(Ptr + 21, 1);
+    if (!((BPB_Media == 0xF8)||(BPB_Media == 0xF0)||(BPB_Media == 0xF9)||
+            (BPB_Media == 0xFA)||(BPB_Media == 0xFB)||(BPB_Media == 0xFC)||
+            (BPB_Media == 0xFD)||(BPB_Media == 0xFE)||(BPB_Media == 0xFF))) {
+        voprintf_error("Unsupport media descriptor %d\n", BPB_Media);
+        return false;
+    }
+
+    return true;
+}
+
+bool GetBPBInfo_sd(uint8_t *Ptr)
+{
+    m_bFATInfo.BPB_BytsPerSec = 512;
+    m_bFATInfo.BootStartSec = 0;
+
+    //*pSectorPosition
+    if (!fatfs_dev_read(dumpdev, m_bFATInfo.BootStartSec, Ptr, 1)) {
+        voprintf_error("SDCard: can not find MBR\n");
+        return false;
+    }
+
+    // Add support block0 is bootPartition
+    if (Block0_is_BootSector(Ptr)) {
+        m_bFATInfo.BootStartSec = 0;
+    } else {
+        m_bFATInfo.BootStartSec  = FindBootPartition_sd(Ptr);
+        if (!fatfs_dev_read(dumpdev, m_bFATInfo.BootStartSec, Ptr, 1)) {
+            voprintf_error("SDCard: can't find BootPosition\n");
+            mrdump_status_error("SDCard: can't find BootPosition\n");
+            return false;
+        }
+        if (!Block0_is_BootSector(Ptr)) {
+            voprintf_error("SDCard: BPB sector dismatch FAT Spec\n");
+            mrdump_status_error("SDCard: BPB sector dismatch FAT Spec\n");
+            return false;
+        }
+    }
+    if (!ReadBootPartition_sd(Ptr)) {
+        voprintf_error("SDCard: can not Read BootPartition\n");
+        mrdump_status_error("SDCard: can not Read BootPartition\n");
+        return false;
+    }
+
+    m_bFATInfo.FATStartSec = m_bFATInfo.BootStartSec + m_bFATInfo.BPB_RsvdSecCnt;
+
+    if (m_bFATInfo.FileSysType == FAT_32) {
+        m_bFATInfo.ClusStartSec = m_bFATInfo.FATStartSec+(m_bFATInfo.BPB_NumFATs)*(m_bFATInfo.BPB_FATSz);
+        m_bFATInfo.RootDirStartSec = m_bFATInfo.ClusStartSec + (m_bFATInfo.BPB_RootClus-2)*(m_bFATInfo.BPB_SecPerClus);
+    } else {
+        m_bFATInfo.RootDirStartSec = m_bFATInfo.FATStartSec+(m_bFATInfo.BPB_NumFATs)*(m_bFATInfo.BPB_FATSz);
+        m_bFATInfo.ClusStartSec = m_bFATInfo.RootDirStartSec+32*m_bFATInfo.BPB_RootEntCnt/m_bFATInfo.BPB_BytsPerSec;
+    }
+
+    return true;
+}
+
+uint32_t FindFirstClusInFAT_sd(uint32_t StartClusNum, uint8_t *Ptr)
+{
+    uint32_t SectorNum;
+    uint32_t NextClusterPosition;
+    uint32_t BytsPerFAT;
+    uint32_t BytsPerAdd;
+    if (m_bFATInfo.FileSysType == FAT_32)
+        BytsPerAdd = 4;//FAT32
+    else
+        BytsPerAdd = 2;//FAT16
+
+    BytsPerFAT = m_bFATInfo.BPB_BytsPerSec/BytsPerAdd;
+
+    m_bLastFATPage = StartClusNum/BytsPerFAT;
+    SectorNum = m_bFATInfo.FATStartSec+m_bLastFATPage;
+#ifdef SD_DATA_PRINT
+    voprintf_verbose("SDCard: now FATSec = %d \n",SectorNum);
+#endif
+    if (!fatfs_dev_read(dumpdev, SectorNum, Ptr, 1)) {
+        voprintf_error("SDCard: can not FindFirstClusInFAT_sd\n");
+        // FIXME: this is not right, why return 0?
+        return 0;
+    }
+
+    NextClusterPosition = BytesToNum_sd(Ptr+BytsPerAdd * (StartClusNum%BytsPerFAT), BytsPerAdd);
+#ifdef SD_DATA_PRINT
+    voprintf_verbose("SDCard: NextClusterPosition = %08x\n", NextClusterPosition);
+#endif
+    return NextClusterPosition;
+}
+
+uint32_t FindNextClusInFAT_sd(uint32_t StartClusNum, uint8_t *Ptr)
+{
+    uint32_t SectorNum;
+    uint32_t NextClusterPosition;
+    uint32_t BytsPerFAT;
+    uint32_t BytsPerAdd;
+    uint32_t TempPage;
+    if (m_bFATInfo.FileSysType==FAT_32)
+        BytsPerAdd = 4;//FAT32
+    else
+        BytsPerAdd = 2;//FAT16
+
+    BytsPerFAT = m_bFATInfo.BPB_BytsPerSec/BytsPerAdd;
+    TempPage = StartClusNum/BytsPerFAT;
+    if (TempPage!=m_bLastFATPage) {
+        SectorNum = m_bFATInfo.FATStartSec+TempPage;
+#ifdef SD_DATA_PRINT
+        DBGKDUMP_PRINTK("SDCard: now FATSec = %d \n",SectorNum);
+#endif
+        if (!fatfs_dev_read(dumpdev, SectorNum,Ptr,1)) {
+            voprintf_error("SDCard: can not FindNextClusInFAT_sd! \n");
+            // FIXME: this is not right, why return 0?
+            return 0;
+        }
+        m_bLastFATPage=TempPage;
+#if 0
+        for (j=0; j<(int)m_bFATInfo.BPB_BytsPerSec; j++) {
+            if ((j%16)==0) DBGKDUMP_PRINTK("i= 0x%04x    ",j);
+            DBGKDUMP_PRINTK(" %02x ", Ptr[j]);
+            if (((j+1)%16)==0) DBGKDUMP_PRINTK("     i= %d\n",j);
+        }
+#endif
+    }
+    NextClusterPosition=BytesToNum_sd(Ptr+BytsPerAdd*(StartClusNum%BytsPerFAT),BytsPerAdd);
+#ifdef SD_DATA_PRINT
+    DBGKDUMP_PRINTK("SDCard: NextClusterPosition = %08x \n",NextClusterPosition);
+#endif
+    return NextClusterPosition;
+}
+
+uint32_t FindFirstFreeClusInFAT_sd(FileHandler *pFileHandler)
+{
+    uint32_t i;
+    uint32_t SectorNum;
+    uint32_t FreeClusterNum;
+    uint32_t value;
+    uint32_t FATSector, FATOffset;
+    uint32_t EntryPerSector;
+    uint32_t BytsPerAdd;
+
+    if (m_bFATInfo.FileSysType==FAT_32)
+        BytsPerAdd = 4;//FAT32
+    else
+        BytsPerAdd = 2;//FAT16
+
+    FreeClusterNum = 0;
+    EntryPerSector = m_bFATInfo.BPB_BytsPerSec/BytsPerAdd;
+    FATSector = pFileHandler->CurrClusterNum/EntryPerSector;
+    FATOffset = pFileHandler->CurrClusterNum%EntryPerSector + 1;     // start search frome next cluster
+
+    // for safty, we don't use all FAT entries, just reserve the last FAT sector
+    while (FATSector < (m_bFATInfo.BPB_FATSz-1)) {
+        // Read new FAT sector to cache
+        SectorNum = m_bFATInfo.FATStartSec+FATSector;
+        if (!fatfs_dev_read(dumpdev, SectorNum, pFileHandler->FATBuffer, 1)) {
+            voprintf_error("SDCard: %s read failed\n", __func__);
+            return 0;
+        }
+
+        for (i=FATOffset; i<EntryPerSector; i++) {
+            value = BytesToNum_sd(pFileHandler->FATBuffer+i*BytsPerAdd, BytsPerAdd);
+            if (value == 0) {
+                FreeClusterNum = FATSector*EntryPerSector + i;  // found free entry in FAT
+                pFileHandler->FATSector = FATSector;
+                return FreeClusterNum;
+            }
+        }
+        // try next FAT sector
+        FATSector++;
+        FATOffset = 0;
+    }
+
+    return 0;
+}
+
+uint32_t ChainFreeClusInFAT_sd(FileHandler *pFileHandler)
+{
+    uint32_t i;
+    uint32_t SectorNum;
+    uint32_t FreeClusterNum;
+    uint32_t value;
+    uint32_t CurrFATSector, CurrFATOffset;
+    uint32_t NextFATSector, NextFATOffset;
+    uint32_t EntryPerSector;
+    uint32_t BytsPerAdd;
+    uint8_t  TempFAT[512];
+    uint8_t  *pBuf;
+
+    if (m_bFATInfo.FileSysType==FAT_32)
+        BytsPerAdd = 4;//FAT32
+    else
+        BytsPerAdd = 2;//FAT16
+
+    FreeClusterNum = 0;
+    EntryPerSector = m_bFATInfo.BPB_BytsPerSec/BytsPerAdd;
+    CurrFATSector = pFileHandler->CurrClusterNum/EntryPerSector;
+    CurrFATOffset = pFileHandler->CurrClusterNum%EntryPerSector;
+    NextFATSector = CurrFATSector;
+    NextFATOffset = CurrFATOffset+1;    // start search frome next cluster
+    memset(TempFAT,0,512);
+
+    pBuf = pFileHandler->FATBuffer;
+    // for safty, we don't use all FAT entries, just reserve the last FAT sector
+    while (NextFATSector < (m_bFATInfo.BPB_FATSz-1)) {
+        if (NextFATSector != pFileHandler->FATSector) {
+            // FAT sector changed, read new FAT sector to temp buffer
+            pBuf = TempFAT;
+            SectorNum = m_bFATInfo.FATStartSec+NextFATSector;
+            if (!fatfs_dev_read(dumpdev, SectorNum, pBuf, 1)) {
+                voprintf_error("SDCard: %s read failed\n", __func__);
+                return 0;
+            }
+        }
+        // find free cluster in FAT cache
+        for (i=NextFATOffset; i<EntryPerSector; i++) {
+            value = BytesToNum_sd(pBuf+i*BytsPerAdd, BytsPerAdd);
+            if (value == 0) {
+                FreeClusterNum = NextFATSector*EntryPerSector + i;  // found free entry in FAT
+                // commit FAT entry
+                fatfs_commit_fat_entry(pFileHandler, CurrFATOffset, FreeClusterNum);
+                break;
+            }
+        }
+
+        if (FreeClusterNum!=0) {
+            break;
+        }
+
+        // try next FAT sector
+        NextFATSector++;
+        NextFATOffset = 0;
+    }
+
+    // check if need to refresh cache
+    if ((FreeClusterNum != 0) && (NextFATSector != pFileHandler->FATSector)) {
+        // FAT sector changed, flush cache to SD
+        SectorNum = m_bFATInfo.FATStartSec+CurrFATSector;
+        if (!fatfs_dev_write(dumpdev, SectorNum, pFileHandler->FATBuffer, 1)) {
+            voprintf_error("SDCard: %s write failed\n", __func__);
+            return 0;
+        }
+
+        // copy temp buffer to cache
+        memcpy(pFileHandler->FATBuffer, TempFAT, 512);
+        pFileHandler->FATSector = NextFATSector;
+    }
+
+    return FreeClusterNum;
+}
+
+bool MarkEndClusInFAT_sd(FileHandler *pFileHandler)
+{
+    uint32_t SectorNum;
+    uint32_t BytsPerAdd;
+    uint32_t EntryPerSector;
+    uint32_t FATSector;
+    uint32_t FATOffset;
+
+    if (m_bFATInfo.FileSysType==FAT_32)
+        BytsPerAdd = 4;//FAT32
+    else
+        BytsPerAdd = 2;//FAT16
+
+    EntryPerSector = m_bFATInfo.BPB_BytsPerSec/BytsPerAdd;
+    FATSector = pFileHandler->CurrClusterNum/EntryPerSector;
+    FATOffset = pFileHandler->CurrClusterNum%EntryPerSector;
+    SectorNum = m_bFATInfo.FATStartSec+FATSector;
+
+    if (FATSector != pFileHandler->FATSector) {
+        if (!fatfs_dev_read(dumpdev, SectorNum, pFileHandler->FATBuffer, 1)) {
+            voprintf_error("SDCard: MarkEndClusInFAT_sd dumpdev->read failed\n");
+            return false;
+        }
+    }
+
+    fatfs_commit_fat_entry(pFileHandler, FATOffset, 0xffffffff);
+
+    // flush FAT cache to SD
+    if (!fatfs_dev_write(dumpdev, SectorNum, pFileHandler->FATBuffer, 1)) {
+        voprintf_error("SDCard: MarkEndClusInFAT_sd dumpdev->write failed\n");
+        return false;
+    }
+    return true;
+}
+
+bool DeleteFileInFAT_sd(FileHandler *pFileHandler)
+{
+    uint32_t StartClusNum;
+    uint32_t SectorNum;
+    uint32_t NextClusNum;
+    uint32_t FATSector, FATOffset;
+    uint32_t EntryPerSector;
+    uint32_t BytsPerAdd;
+    bool NewSector = true;
+    bool LastEntry = false;
+
+    if (m_bFATInfo.FileSysType == FAT_32) {
+        BytsPerAdd = 4;//FAT32
+    } else {
+        BytsPerAdd = 2;//FAT16
+    }
+
+    EntryPerSector = m_bFATInfo.BPB_BytsPerSec/BytsPerAdd;
+    StartClusNum = pFileHandler->CurrClusterNum;
+    SectorNum = m_bFATInfo.FATStartSec+StartClusNum/EntryPerSector;
+
+    while (!LastEntry) {
+        FATSector = StartClusNum/EntryPerSector;
+        FATOffset = StartClusNum%EntryPerSector;
+
+        if (NewSector) {
+            SectorNum = m_bFATInfo.FATStartSec+FATSector;
+#ifdef SD_DATA_PRINT
+            DBGKDUMP_PRINTK("SDCard: now FATSec = %d \n",SectorNum);
+#endif
+            if (!fatfs_dev_read(dumpdev, SectorNum, pFileHandler->FATBuffer, 1)) {
+                voprintf_error("SDCard: DeleteFile_sd read failed\n");
+                return false;
+            }
+            NewSector = false;
+        }
+
+        NextClusNum = BytesToNum_sd(pFileHandler->FATBuffer+FATOffset*BytsPerAdd, BytsPerAdd);
+
+        fatfs_commit_fat_entry(pFileHandler, FATOffset, 0x0);
+        // Release FAT entry
+        if (m_bFATInfo.FileSysType==FAT_32) {
+
+            if ((NextClusNum >= 0xFFFFFF8) || (NextClusNum == 0)) {
+                LastEntry = true;
+            }
+        } else {
+            if ((NextClusNum >= 0xFFF8) || (NextClusNum == 0)) {
+                LastEntry = true;
+            }
+        }
+
+        if (NextClusNum/EntryPerSector != FATSector) {
+            NewSector = true;   // next cluster is not at current FAT Sector, write current FAT sector back
+        }
+
+        if (NewSector || LastEntry) {
+            if (!fatfs_dev_write(dumpdev, SectorNum, pFileHandler->FATBuffer, 1)) {
+                voprintf_error("SDCard: DeleteFile_sd write failed\n");
+                return false;
+            }
+        }
+
+        StartClusNum = NextClusNum;
+    }
+
+#ifdef SD_DATA_PRINT
+    DBGKDUMP_PRINTK("SDCard: NextClusterPosition = %08x \n",NextClusterPosition);
+#endif
+
+    return true;
+}
+
+static bool OpenDumpFile_sd(FileHandler *pFileHandler)
+{
+    int i, j, times;
+    uint32_t SectorNum;
+    uint32_t Temp;
+    uint32_t dwStartTick;
+    uint32_t FindFile_TIMEOUT = 60000;
+    int SecLen;
+    uint32_t NextRootFAT = 0;
+    uint8_t RootDirFAT[512];
+    bool foundLfn = false;
+
+    // init File Handler
+    memset(pFileHandler, 0, sizeof(FileHandler));
+    if (!GetBPBInfo_sd(pFileHandler->FileBuffer)) {
+        return false;
+    }
+
+    dwStartTick = OALGetTickCount();
+
+    voprintf_debug("SDCard: FATStartSec=%d RootdirStartSec=%d\n", m_bFATInfo.FATStartSec, m_bFATInfo.RootDirStartSec);
+    SectorNum = m_bFATInfo.RootDirStartSec;
+    if (m_bFATInfo.FileSysType == FAT_16) {
+        SecLen=32;
+        times=1;
+    } else {
+        SecLen = m_bFATInfo.BPB_SecPerClus;
+        times=MaxFindFileClusNum;
+    }
+
+    while (times) {
+        for (i = 0; i < SecLen; i++) {
+            if (!fatfs_dev_read(dumpdev, SectorNum, pFileHandler->FileBuffer, 1)) {
+                voprintf_error("SDCard: can not read RootDir!\n");
+                return false;
+            }
+
+            for (j=0; j<(int)m_bFATInfo.BPB_BytsPerSec; j+=32) {
+                if (foundLfn) {
+                    Temp = BytesToNum_sd(pFileHandler->FileBuffer+j+20, 2);
+                    pFileHandler->CurrClusterNum |= (Temp<<16);
+                    Temp = BytesToNum_sd(pFileHandler->FileBuffer+j+26, 2);
+                    pFileHandler->CurrClusterNum |= (Temp&0xFFFF);
+
+                    // delete file DIR entries
+                    memset(pFileHandler->FileBuffer+j, 0, 32);
+                    if (!fatfs_dev_write(dumpdev, SectorNum, pFileHandler->FileBuffer, 1)) {
+                        voprintf_error("SDCard: can not write directory entry!\n");
+                        return false;
+                    }
+                    // delete file in FAT entries
+                    if (!DeleteFileInFAT_sd(pFileHandler)) {
+                        voprintf_error("SDCard: can not delete file in FAT entries!\n");
+                        return false;
+                    }
+                    goto Done;
+                } else if (pFileHandler->FileBuffer[j] == 0x41 &&
+                           Compare_sd(pFileHandler->FileBuffer+j+1, g_LfnEntry.name1, 10) &&
+                           Compare_sd(pFileHandler->FileBuffer+j+14, g_LfnEntry.name2, 12)) {
+#if 0
+                    // delete LFN entries
+                    memset(pFileHandler->FileBuffer+j, 0, 32);
+                    if (!fatfs_dev_write(dumpdev, SectorNum, pFileHandler->FileBuffer, 1)) {
+                        voprintf_error("SDCard: can not write LFN entry!\n");
+                        return false;
+                    }
+                    foundLfn = true;
+#else
+                    voprintf_error("SDCard: dump file exist, skip dumping\n");
+                    mrdump_status_error("File exist at SDCARD, skip dumping\n");
+                    return false;
+#endif
+                }
+            }
+            SectorNum+=1;
+        }
+        if ((OALGetTickCount() - dwStartTick) >= FindFile_TIMEOUT) {
+            voprintf_error("SDCard: Find File timeout\n");
+            return false;
+        }
+        if (m_bFATInfo.FileSysType==FAT_32) {
+            if (times==MaxFindFileClusNum) {
+                NextRootFAT=FindFirstClusInFAT_sd(m_bFATInfo.BPB_RootClus, RootDirFAT);
+                if (NextRootFAT>=0xFFFFFF8) {
+                    break;
+                }
+            } else {
+                NextRootFAT=FindNextClusInFAT_sd(NextRootFAT, RootDirFAT);
+                if (NextRootFAT >= 0xFFFFFF8) {
+                    break;
+                }
+            }
+            voprintf_info("SDCard: NextRootFAT=0x%08x  \n", NextRootFAT);
+            SectorNum=m_bFATInfo.ClusStartSec + (NextRootFAT-2)*(m_bFATInfo.BPB_SecPerClus);
+        } else {
+            // FAT16
+            break;
+        }
+        times--;
+    }
+
+Done:
+    // return a free cluster to create new file
+    pFileHandler->CurrClusterNum = 2;
+    pFileHandler->CurrClusterNum = FindFirstFreeClusInFAT_sd(pFileHandler);
+    pFileHandler->PrevClusterNum = pFileHandler->CurrClusterNum;
+    g_DirEntry.clusFirstHigh = (uint16_t)((pFileHandler->CurrClusterNum >> 16) & 0xFFFF);
+    g_DirEntry.clusFirst = (uint16_t)(pFileHandler->CurrClusterNum & 0xFFFF);
+    if (!pFileHandler->CurrClusterNum) {
+        pFileHandler->DiskFull = true;
+        voprintf_error("SDCard full, not free space available at create file\n");
+        mrdump_status_error("SDCard full, not free space available at create file\n");
+        return false;
+    }
+
+    voprintf_debug("%s: ok\n", __func__);
+    return true;
+}
+
+bool UpdateDirectoryEntry_sd(FileHandler *pFileHandler)
+{
+    int i, j, times;
+    uint32_t SectorNum;
+    uint32_t dwStartTick;
+    uint32_t FindFile_TIMEOUT = 60000;
+    int SecLen;
+    uint32_t NextRootFAT = 0;
+    uint8_t RootDirFAT[512];
+
+    dwStartTick = OALGetTickCount();
+    voprintf_info("SDCard: FATStartSec = %d \n",m_bFATInfo.FATStartSec);
+    voprintf_info("SDCard: RootDirStartSec = %d \n", m_bFATInfo.RootDirStartSec);
+    SectorNum = m_bFATInfo.RootDirStartSec;
+
+    if (m_bFATInfo.FileSysType==FAT_16) {
+        SecLen=32;
+        times=1;
+    } else {
+        SecLen = m_bFATInfo.BPB_SecPerClus;
+        times=MaxFindFileClusNum;
+    }
+
+    while (times) {
+        for (i = 0; i < SecLen; i++) {
+            if (!fatfs_dev_read(dumpdev, SectorNum, pFileHandler->FileBuffer, 1)) {
+                voprintf_error("SDCard: can not read RootDir!\n");
+                return false;
+            }
+
+            for (j = 0; j < (int)(m_bFATInfo.BPB_BytsPerSec - 32); j += 32) {
+                if ((pFileHandler->FileBuffer[j] == 0x0 || pFileHandler->FileBuffer[j] == 0xE5) &&
+                        (pFileHandler->FileBuffer[j+32] == 0x0 || pFileHandler->FileBuffer[j+32] == 0xE5)) {
+                    memcpy(pFileHandler->FileBuffer+j, &g_LfnEntry, sizeof(LfnEntry));
+                    memcpy(pFileHandler->FileBuffer+j+32, &g_DirEntry, sizeof(DirEntry));
+
+                    if (!fatfs_dev_write(dumpdev, SectorNum, pFileHandler->FileBuffer, 1)) {
+                        voprintf_error("SDCard: can not read RootDir! \n");
+                        return false;
+                    }
+                    return true;
+                }
+            }
+            SectorNum += 1;
+        }
+        if ((OALGetTickCount() - dwStartTick) >= FindFile_TIMEOUT) {
+            voprintf_error("SDCard: Find File Error timeout\n");
+            return false;
+        }
+        if (m_bFATInfo.FileSysType==FAT_32) {
+            if (times == MaxFindFileClusNum) {
+                NextRootFAT=FindFirstClusInFAT_sd(m_bFATInfo.BPB_RootClus, RootDirFAT);
+                if (NextRootFAT>=0xFFFFFF8) {
+                    voprintf_error("SDCard: Dump file not exsited.\n");
+                    break;
+                }
+            } else {
+                NextRootFAT=FindNextClusInFAT_sd(NextRootFAT, RootDirFAT);
+                if (NextRootFAT>=0xFFFFFF8) {
+                    voprintf_error("SDCard: Dump file not exsited.\n");
+                    break;
+                }
+            }
+            voprintf_error("SDCard: NextRootFAT=0x%08x  \n", NextRootFAT);
+            SectorNum=m_bFATInfo.ClusStartSec + (NextRootFAT-2)*(m_bFATInfo.BPB_SecPerClus);
+        } else {
+            // FAT16
+            break;
+        }
+        times--;
+    }
+
+    return false;
+}
+
+static bool WriteDumpFile_sd(FileHandler *pFileHandler, uint8_t *Ptr, uint32_t Length, uint32_t Total)
+{
+    uint32_t i;
+    uint32_t SectorNum;
+    uint32_t FreeClusterNum;
+    uint8_t val;
+
+    uint32_t ClusterSize = m_bFATInfo.BPB_SecPerClus * m_bFATInfo.BPB_BytsPerSec;
+
+    while (Length > 0) {
+        // for every cluster boundary, check disk free space
+        if (pFileHandler->DiskFull) {
+            return false;
+        }
+
+        for (i = pFileHandler->BufferLen; (i < ClusterSize) && (Length > 0); i++) {
+            val = *Ptr++;
+            pFileHandler->FileBuffer[pFileHandler->BufferLen++] = val;
+            pFileHandler->CheckSum += val;
+            pFileHandler->TotalLen++;
+            Length--;
+        }
+
+        // a cluster collected, flush to SD
+        if (pFileHandler->BufferLen == ClusterSize) {
+            pFileHandler->BufferLen = 0;
+            SectorNum=m_bFATInfo.ClusStartSec + (pFileHandler->CurrClusterNum-2)*(m_bFATInfo.BPB_SecPerClus);
+            //DBGKDUMP_PRINTK("SDCard: WriteDumpFile_sd() write sd card from %d blocks!\n",SectorNum);
+
+            if (!fatfs_dev_write(dumpdev, SectorNum, pFileHandler->FileBuffer, m_bFATInfo.BPB_SecPerClus)) {
+                voprintf_error("SDCard: WriteDumpFile_sd() write file content from %d blocks failed!!!!\n",SectorNum);
+                return false;
+            }
+
+            pFileHandler->PrevClusterNum = pFileHandler->CurrClusterNum;
+            FreeClusterNum =  ChainFreeClusInFAT_sd(pFileHandler);
+            if (FreeClusterNum == 0) {
+                pFileHandler->DiskFull = true;
+                voprintf_error("SDcard full, no free space available\n");
+                mrdump_status_error("SDcard full, no free space available\n");
+                return false;
+            }
+            pFileHandler->CurrClusterNum =FreeClusterNum;
+        } else if (pFileHandler->BufferLen > ClusterSize) {
+            voprintf_error("SDCard: WriteDumpFile_sd() BufferLen error!\n");
+        }
+    }
+
+    return true;
+}
+
+static bool CloseDumpFile_sd(FileHandler *pFileHandler)
+{
+    uint32_t SectorNum;
+
+    g_DirEntry.size = pFileHandler->TotalLen;
+
+#if 0
+    uint16_t year;
+    g_DirEntry.createdTime = g_DirEntry.time = (((INREG16(&m_pRTCRegs->RTC_TC_HOU) << 11) & 0xF800) |
+                             ((INREG16(&m_pRTCRegs->RTC_TC_MIN) << 5) & 0x7E0) |
+                             ((INREG16(&m_pRTCRegs->RTC_TC_SEC)>>1) & 0x1F));
+    year = INREG16(&m_pRTCRegs->RTC_TC_YEA);
+    year = (year > 20) ? (year-20) : 0;
+    g_DirEntry.createdDate = g_DirEntry.date = (((year<<9) & 0xFE00) |
+                             ((INREG16(&m_pRTCRegs->RTC_TC_MTH)<<5) & 0x1E0) |
+                             (INREG16(&m_pRTCRegs->RTC_TC_DOM) & 0x1F));
+#endif
+    g_DirEntry.createdTime = g_DirEntry.time = 0;
+    g_DirEntry.createdDate = g_DirEntry.date = 0;
+
+    if (pFileHandler->BufferLen == 0) {
+        // the free cluster is not used, so that the last cluster should be the previous one
+        pFileHandler->CurrClusterNum = pFileHandler->PrevClusterNum;
+    } else if (!pFileHandler->DiskFull) {
+        // flush the reset data
+        SectorNum=m_bFATInfo.ClusStartSec + (pFileHandler->CurrClusterNum-2)*(m_bFATInfo.BPB_SecPerClus);
+        if (!fatfs_dev_write(dumpdev, SectorNum, pFileHandler->FileBuffer, m_bFATInfo.BPB_SecPerClus)) {
+            voprintf_error("SDCard: CloseFile_sd() write file content failed!\n");
+            return false;
+        }
+    }
+
+    if (!MarkEndClusInFAT_sd(pFileHandler)) {
+        voprintf_error("SDCard: CloseFile_sd() MarkEndClusInFAT_sd failed!\n");
+        return false;
+    }
+
+    if (!UpdateDirectoryEntry_sd(pFileHandler)) {
+        voprintf_error("SDCard: CloseFile_sd() UpdateDirectoryEntry_sd failed!\n");
+        return false;
+    }
+
+    return true;
+}
+
+static int sd_write_cb(void *handle, void *buf, int size)
+{
+    if (WriteDumpFile_sd(handle, buf, size, 0)) {
+        return size;
+    } else {
+        return 0;
+    }
+}
+
+int mrdump_vfat_output(const struct mrdump_control_block *mrdump_cb, const struct kzip_addlist *memlist, struct mrdump_dev *mrdump_dev)
+{
+    if (mrdump_dev == NULL) {
+        return -1;
+    }
+
+    dumpdev = mrdump_dev;
+    voprintf_info("Output to VFAT Partition %s\n", dumpdev->name);
+
+    FileHandler *file_handle = memalign(16, sizeof(FileHandler));
+    if (file_handle == NULL) {
+        voprintf_error("No enough memory.");
+        return -1;
+    }
+    memset(file_handle, 0, sizeof(FileHandler));
+
+    mtk_wdt_restart();
+    bool ok = true;
+    if (OpenDumpFile_sd(file_handle)) {
+        mtk_wdt_restart();
+        struct kzip_file *zf = kzip_open(file_handle, sd_write_cb);
+        if (zf != NULL) {
+            if (!kzip_add_file(zf, memlist, "SYS_COREDUMP")) {
+                ok = false;
+            }
+            kzip_close(zf);
+            zf = NULL;
+        } else {
+            ok = false;
+        }
+
+        mtk_wdt_restart();
+        CloseDumpFile_sd(file_handle);
+        free(file_handle);
+
+        if (ok) {
+            mrdump_status_ok("OUTPUT:%s\nMODE:%s\n", "VFAT_INT_STORAGE", mrdump_mode2string(mrdump_cb->crash_record.reboot_mode));
+        }
+    }
+
+    return ok ? 0 : -1;
+}
+