nand flash oob64 算法实例代码

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright 2000-2009
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 */

#include
#include
#include
#include
#ifdef CONFIG_SYS_COREBOOT
#include
#endif

const char __weak version_string[] = U_BOOT_VERSION_STRING;

#define BCH6_PAGE_SIZE     512
#define BCH6_OOB_SIZE      6
#define BCH6_ECC_SIZE      10
#define BCH6_UNIT_SIZE     (BCH6_PAGE_SIZE+BCH6_OOB_SIZE+BCH6_ECC_SIZE)

#define TenBit_Mask 0x3ff

static const unsigned char gen_poly_6b[79]  = {1,0,1,1,1,1,1,0,1,0,0,0,1,1,0,1,1,0,0,1,1,1,0,1,0,0,1,1,1,0,1,1,0,0,0,0,1,1,1,1,0,0,1,0,0,1,1,1,0,0,0,0,1,1,0,0,1,0,0,1,0,0,1,1,0,0,1,1,1,1,0,0,1,1,1,1,1,1,1};
static unsigned char R_6b[78]  = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};

static inline unsigned char ToBit(unsigned short value, int bth)
{
    value = (value >> bth) & 0x1;
    return (unsigned char)value;
}

static void bch6_encode_ecc_byte(unsigned char input)
{
    unsigned char R7_6b[78], R6_6b[78], R5_6b[78], R4_6b[78], R3_6b[78], R2_6b[78], R1_6b[78], R0_6b[78];
    int i,j;

    for (i=0;i<78;i++)
    {
        if (i == 0)
            R7_6b[0] = 0x0 ^ (gen_poly_6b[0] & (ToBit(input, 7) ^ R_6b[77]));
        else
            R7_6b[i] = R_6b[i-1] ^ (gen_poly_6b[i] & (ToBit(input, 7) ^ R_6b[77]));
    }

    for (i=0;i<78;i++)
    {
        if (i == 0)
            R6_6b[0] = 0x0 ^ (gen_poly_6b[0] & (ToBit(input, 6) ^ R7_6b[77]));
        else
            R6_6b[i] = R7_6b[i-1] ^ (gen_poly_6b[i] & (ToBit(input, 6) ^ R7_6b[77]));
    }

    for (i=0;i<78;i++)
    {
        if (i == 0)
            R5_6b[0] = 0x0 ^ (gen_poly_6b[0] & (ToBit(input, 5) ^ R6_6b[77]));
        else
            R5_6b[i] = R6_6b[i-1] ^ (gen_poly_6b[i] & (ToBit(input, 5) ^ R6_6b[77]));
    }

    for (i=0;i<78;i++)
    {
        if (i == 0)
            R4_6b[0] = 0x0 ^ (gen_poly_6b[0] & (ToBit(input, 4) ^ R5_6b[77]));
        else
            R4_6b[i] = R5_6b[i-1] ^ (gen_poly_6b[i] & (ToBit(input, 4) ^ R5_6b[77]));
    }

    for (i=0;i<78;i++)
    {
        if (i == 0)
            R3_6b[0] = 0x0 ^ (gen_poly_6b[0] & (ToBit(input, 3) ^ R4_6b[77]));
        else
            R3_6b[i] = R4_6b[i-1] ^ (gen_poly_6b[i] & (ToBit(input, 3) ^ R4_6b[77]));
    }

    for (i=0;i<78;i++)
    {
        if (i == 0)
            R2_6b[0] = 0x0 ^ (gen_poly_6b[0] & (ToBit(input, 2) ^ R3_6b[77]));
        else
            R2_6b[i] = R3_6b[i-1] ^ (gen_poly_6b[i] & (ToBit(input, 2) ^ R3_6b[77]));
    }

    for (i=0;i<78;i++)
    {
        if (i == 0)
            R1_6b[0] = 0x0 ^ (gen_poly_6b[0] & (ToBit(input, 1) ^ R2_6b[77]));
        else
            R1_6b[i] = R2_6b[i-1] ^ (gen_poly_6b[i] & (ToBit(input, 1) ^ R2_6b[77]));
    }

    for (i=0;i<78;i++)
    {
        if (i == 0)
            R0_6b[0] = 0x0 ^ (gen_poly_6b[0] & (ToBit(input, 0) ^ R1_6b[77]));
        else
            R0_6b[i] = R1_6b[i-1] ^ (gen_poly_6b[i] & (ToBit(input, 0) ^ R1_6b[77]));
    }

    //dumpR();
    unsigned short synd[6] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; //memset(synd, 0, sizeof(synd));

    for (i=0;i<6;i++)
        for (j=12;j>=0;j--)
            synd[i] |= (R0_6b[j+(i*13)] << j);

    for (i=0;i<6;i++)
        for (j=0;j<13;j++)
            R_6b[(i*13+j)] = ToBit(synd[i], j);

    //dumpSynd();
}

void bch6_ecc_512B_encode(unsigned char *ecc,  // ecc: output 10 bytes of ECC code
    const unsigned char *input_buf,     // input_buf: the 512 bytes input data (BCH6_PAGE_SIZE bytes)
    const unsigned char *oob){          // oob: 6 bytes out-of-band for input (BCH6_OOB_SIZE bytes)

    // no need to init: synd, R7_6b[78], R6_6b[78], R5_6b[78], R4_6b[78], R3_6b[78], R2_6b[78], R1_6b[78], R0_6b[78];
    // should be init here: R_6b, ecc[10]
    //unsigned char ecc[10] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,};
    
    //bzero(R_6b, sizeof(R_6b));
    //bzero(ecc, BCH6_ECC_SIZE);

    memset( R_6b, 0x00, sizeof(R_6b) );
    memset( ecc,  0x00, BCH6_ECC_SIZE );

    
    int i,j;
    for ( i=0; i< BCH6_PAGE_SIZE; i++)
        bch6_encode_ecc_byte(input_buf[i]);
        
    for ( i=0; i< BCH6_OOB_SIZE; i++)
        bch6_encode_ecc_byte(oob[i]);

    for (i=0;i<9;i++)
        for (j=7;j>=0;j--)
            ecc[i] |= (R_6b[j+((8-i)*8+6)] << j);

    for (j=5;j>=0;j--)
        ecc[9] |= (R_6b[j] << (j+2));
    
    #if 1
    printf("ecc0=%x, ecc1=%x, ecc2=%x, ecc3=%x, ecc4=%x, ecc5=%x, ecc6=%x, ecc7=%x, ecc8=%x, ecc9=%x\n",
        ecc[0], ecc[1], ecc[2], ecc[3], ecc[4], ecc[5], ecc[6], ecc[7], ecc[8], ecc[9]);
    #endif
}

#define BCH_SECTS_PER_2K_PAGE (4)
#define BCH_SECTS_PER_4K_PAGE (8)
#define BCH_TAG_SIZE          (6)

/* 未命名9 (2023/7/25 16:36:48)
   起始位置(h): 00000000, 结束位置(h): 000007FF, 长度(h): 00000800 */

unsigned char rawData[2124] = {
    0x27, 0x05, 0x19, 0x56, 0x92, 0x03, 0x34, 0x84, 0x64, 0xBE, 0x4B, 0x71,
    0x00, 0x03, 0x16, 0x43, 0x83, 0xC0, 0x00, 0x00, 0x83, 0xC0, 0x00, 0x00,
    0xA1, 0xCA, 0x24, 0x46, 0x11, 0x05, 0x05, 0x03, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x5D, 0x00, 0x00, 0x80, 0x00, 0x79, 0xA9, 0x08,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x2F, 0x00, 0xEC, 0xD1,
    0x71, 0x3C, 0x7A, 0xB6, 0x63, 0x39, 0xB6, 0x01, 0x16, 0x1B, 0xC4, 0xA8,
    0x5E, 0x29, 0xAB, 0xD2, 0xD1, 0x46, 0x10, 0x28, 0x7D, 0x02, 0xA9, 0x17,
    0x3B, 0x84, 0xD5, 0x23, 0x59, 0x8A, 0xB4, 0x68, 0xAE, 0x3B, 0x84, 0x84,
    0x3E, 0x8E, 0x16, 0x02, 0x63, 0x2B, 0x90, 0x10, 0x11, 0x3C, 0x94, 0x9A,
    0x19, 0x10, 0x96, 0x09, 0x2B, 0x1C, 0x23, 0xBB, 0x5C, 0x07, 0x1B, 0x84,
    0xED, 0x0F, 0x0F, 0x88, 0x6B, 0xA8, 0x82, 0x10, 0x59, 0x38, 0x2A, 0xA2,
    0xA7, 0x49, 0x5E, 0xB4, 0x2A, 0x19, 0xD9, 0x5E, 0x58, 0x7D, 0x2B, 0x67,
    0x1C, 0x67, 0xC6, 0x6D, 0x8E, 0x87, 0xB2, 0x9E, 0x27, 0x2D, 0x27, 0x68,
    0x09, 0x2C, 0x4F, 0xA1, 0x9A, 0x23, 0x21, 0x34, 0x23, 0x72, 0xAF, 0x46,
    0x15, 0xB3, 0x2C, 0xD9, 0x76, 0x2A, 0x39, 0x8F, 0xE6, 0x95, 0xBF, 0xEF,
    0xC2, 0xDA, 0x26, 0x88, 0xB1, 0x3B, 0x0D, 0xD5, 0x23, 0x6E, 0xD0, 0xD7,
    0x59, 0x3F, 0xDD, 0x4B, 0x20, 0x2E, 0x8E, 0x9C, 0x8B, 0x72, 0x47, 0x1B,
    0xF1, 0x72, 0x86, 0x9A, 0xC4, 0x29, 0x78, 0xF3, 0xAD, 0x78, 0xFA, 0x53,
    0x14, 0xE4, 0xA6, 0xA1, 0xC1, 0x91, 0x17, 0x09, 0x09, 0x0A, 0x88, 0x63,
    0x8B, 0x3A, 0x2B, 0x3F, 0x34, 0x5E, 0x4D, 0x36, 0x23, 0x8D, 0xCB, 0x3C,
    0x51, 0xC8, 0xD5, 0x5B, 0x4C, 0x37, 0x71, 0x49, 0xAC, 0xBD, 0xAC, 0xE9,
    0x48, 0xB1, 0xED, 0x81, 0xBF, 0x9A, 0xA5, 0x02, 0xA0, 0xCF, 0xEE, 0x5B,
    0x69, 0x07, 0x7B, 0xF5, 0x2F, 0x53, 0xCB, 0x6E, 0xDC, 0xA4, 0x70, 0x44,
    0xB5, 0x51, 0x55, 0x90, 0x44, 0xFF, 0xFC, 0x33, 0xCB, 0x46, 0xF4, 0x1A,
    0x32, 0xEF, 0xE8, 0x8F, 0xEA, 0x6F, 0x4F, 0xC2, 0xF3, 0xF0, 0x7B, 0x02,
    0xC0, 0x64, 0x7E, 0x4D, 0xF5, 0xAD, 0xF1, 0xC1, 0xCF, 0x24, 0xBA, 0xE2,
    0xE1, 0x0B, 0xBA, 0xD0, 0x5B, 0xBD, 0x62, 0x04, 0xD6, 0xE0, 0x8D, 0x64,
    0x84, 0x0F, 0x8F, 0xF2, 0x33, 0x6D, 0x72, 0x6E, 0x17, 0xEE, 0x9D, 0x92,
    0x72, 0xF3, 0x35, 0x54, 0xDF, 0xC8, 0x3D, 0x1C, 0x8D, 0xDB, 0x84, 0x21,
    0xF9, 0x7B, 0x62, 0xED, 0x7D, 0x84, 0xE8, 0xAB, 0x91, 0xBC, 0x3D, 0xC9,
    0xF1, 0x6F, 0x9A, 0x01, 0x17, 0xB9, 0x97, 0x95, 0x24, 0x9E, 0x18, 0x49,
    0x15, 0x6D, 0x9C, 0x30, 0xF8, 0x04, 0xFC, 0x3B, 0xA1, 0xB0, 0x57, 0xF4,
    0xD8, 0xDD, 0x4E, 0x11, 0x6F, 0x5C, 0x98, 0x57, 0xE0, 0x5F, 0x86, 0x5D,
    0xD0, 0x91, 0x97, 0xDB, 0xCF, 0x4B, 0xF6, 0xED, 0xE8, 0x92, 0xF5, 0xB5,
    0x8E, 0x4E, 0x5E, 0x54, 0x3F, 0xD3, 0x3C, 0xBA, 0xBB, 0xBC, 0x55, 0x35,
    0xD6, 0x99, 0xA5, 0x6A, 0x81, 0xCA, 0x2D, 0x48, 0xE9, 0x95, 0x95, 0x53,
    0xAB, 0x1F, 0xE9, 0x6B, 0xAE, 0x73, 0xF1, 0xC8, 0x2D, 0x2E, 0x1D, 0x92,
    0x36, 0xB4, 0x8A, 0xB5, 0x14, 0x92, 0x8D, 0xFC, 0x20, 0xF0, 0x56, 0x7D,
    0x85, 0x55, 0xE3, 0x5C, 0x8D, 0xAA, 0x16, 0x1D, 0x5A, 0xAA, 0xB7, 0x0B,
    0x6A, 0x34, 0x29, 0x39, 0x37, 0x48, 0x3B, 0xFA, 0x75, 0x8B, 0x3C, 0xDE,
    0x07, 0x9B, 0xA6, 0xC3, 0xEE, 0xD6, 0xA1, 0xEF, 0x9B, 0x27, 0x5E, 0xAD,
    0x3F, 0xB2, 0xD5, 0x3F, 0x0C, 0x93, 0x65, 0x07, 0x6D, 0xFA, 0xD0, 0x2F,
    0x84, 0xF3, 0xBA, 0x66, 0x2A, 0xF2, 0x66, 0x22, 0x4B, 0x98, 0x63, 0x37,
    0x15, 0x64, 0xCD, 0x96, 0x72, 0xA1, 0x9E, 0xDF, 0x9A, 0xF8, 0x6F, 0x11,
    0x39, 0x87, 0x87, 0x75, 0x3D, 0xA4, 0x84, 0xFD, 0x53, 0x8C, 0x2E, 0x28,
    0xF2, 0xFE, 0xFC, 0x12, 0x7D, 0x9C, 0x71, 0x5F, 0x09, 0x74, 0xBC, 0x6B,
    0x7A, 0x01, 0xFB, 0xB3, 0x0B, 0x78, 0x35, 0x92, 0x3D, 0x3B, 0x39, 0xA3,
    0x10, 0x45, 0x6B, 0xB2, 0x2B, 0xE7, 0x4B, 0xE5, 0x5E, 0x47, 0x90, 0x94,
    0xE6, 0x53, 0x53, 0xE1, 0xEA, 0xA8, 0x16, 0x36, 0x4C, 0xE2, 0xE3, 0xB9,
    0xD1, 0x5C, 0x40, 0xFF, 0x18, 0x8B, 0x6D, 0x3D, 0xFA, 0x40, 0xA6, 0x83,
    0xB8, 0x26, 0x59, 0x0F, 0x27, 0xDB, 0x2A, 0x36, 0x9C, 0xB1, 0xCB, 0xC1,
    0x21, 0x40, 0x48, 0x4A, 0x1E, 0x26, 0xF1, 0x69, 0x2B, 0xFE, 0x0C, 0x93,
    0x8B, 0x81, 0x91, 0xAA, 0x13, 0x19, 0x91, 0x59, 0x9C, 0xD6, 0x3E, 0x71,
    0xDC, 0x2F, 0x24, 0xCC, 0xCC, 0x3D, 0x4F, 0x98, 0xFD, 0xBD, 0xC7, 0x26,
    0xFA, 0xC6, 0xBA, 0x9E, 0x9A, 0x02, 0xDC, 0xFD, 0xAB, 0xB4, 0xA1, 0xCE,
    0x88, 0x11, 0x6C, 0xB3, 0x05, 0x02, 0xB3, 0x37, 0xF8, 0x65, 0x80, 0x50,
    0x17, 0xED, 0xBB, 0x7A, 0xBA, 0x55, 0x2F, 0xA6, 0xE2, 0xBF, 0x86, 0xB0,
    0xB0, 0xDE, 0x5B, 0xBE, 0x33, 0x2A, 0x21, 0x62, 0x24, 0xD3, 0xE9, 0x2D,
    0xAE, 0x75, 0xF8, 0x9B, 0x12, 0xE4, 0x0D, 0x12, 0x21, 0x1F, 0xA6, 0xED,
    0x83, 0x4A, 0x31, 0xAB, 0x69, 0x83, 0x64, 0x0A, 0x25, 0xE0, 0x36, 0x91,
    0xCA, 0xEE, 0xF1, 0xAE, 0x2E, 0x84, 0x09, 0x66, 0xF6, 0xC0, 0x89, 0x38,
    0xF9, 0x0B, 0x9A, 0x4A, 0xA5, 0xA9, 0x88, 0x2B, 0x2E, 0x7F, 0xE9, 0x4D,
    0xDB, 0x46, 0x81, 0xFA, 0x73, 0x3E, 0x57, 0xDD, 0xA2, 0x5B, 0x4F, 0x5D,
    0xA6, 0x88, 0x4F, 0x94, 0x9D, 0x64, 0xD9, 0x8C, 0xC7, 0x60, 0x11, 0xBF,
    0xCF, 0x35, 0xC1, 0x93, 0xEA, 0x65, 0x6C, 0x2A, 0x7E, 0x97, 0x08, 0xC8,
    0xCD, 0xD6, 0x19, 0xE5, 0xA5, 0x7A, 0x99, 0xB2, 0x95, 0xB6, 0x15, 0x99,
    0x4A, 0xED, 0xF7, 0x16, 0xD8, 0x5B, 0x4E, 0x6A, 0x54, 0x38, 0x0F, 0xAE,
    0x73, 0x41, 0x33, 0x84, 0x3C, 0xFC, 0xDB, 0xAA, 0x95, 0xDD, 0x64, 0x89,
    0x50, 0xE7, 0x15, 0x1D, 0x40, 0x60, 0xD5, 0x87, 0xBA, 0x12, 0x3B, 0x46,
    0x26, 0x20, 0x02, 0x0D, 0xE1, 0x58, 0x2A, 0xD5, 0xAA, 0x9D, 0xDC, 0xB1,
    0x8F, 0x8B, 0x6C, 0xF0, 0x0E, 0x9E, 0x14, 0xA4, 0xAB, 0xF1, 0xF8, 0xDE,
    0xA0, 0x3C, 0xE6, 0x6D, 0x39, 0x38, 0x71, 0x6C, 0x5F, 0xA4, 0xB4, 0x92,
    0x96, 0xBA, 0xD1, 0x7B, 0x80, 0x21, 0x4C, 0x06, 0x92, 0xA3, 0x29, 0x25,
    0x51, 0xAA, 0xD4, 0x36, 0xF1, 0xE9, 0x5B, 0x75, 0x5E, 0xE8, 0x03, 0x2E,
    0xA6, 0xEC, 0x30, 0x41, 0xF6, 0x2A, 0xB0, 0xE6, 0x60, 0x64, 0x05, 0x06,
    0xF0, 0xAB, 0x9F, 0xCD, 0x61, 0xEB, 0x1D, 0x80, 0xD9, 0x4C, 0xAA, 0x44,
    0x47, 0x8D, 0xA4, 0x5A, 0x3D, 0xCE, 0x91, 0x04, 0xAB, 0xED, 0x8B, 0xD0,
    0x8B, 0xEF, 0x81, 0x13, 0x78, 0xE2, 0x0D, 0x55, 0xB1, 0xCE, 0xFD, 0xBB,
    0xA7, 0xDD, 0x56, 0x1D, 0x58, 0x04, 0xE1, 0x97, 0x20, 0x6B, 0xD3, 0x0C,
    0xDC, 0xAC, 0xB9, 0x52, 0xC4, 0x2C, 0x2A, 0x73, 0x45, 0x9D, 0xD3, 0xAC,
    0x3B, 0xE3, 0x51, 0xC4, 0x4C, 0x6B, 0x34, 0xB6, 0xA0, 0x21, 0x47, 0xC2,
    0xC4, 0x39, 0x17, 0x9E, 0xE9, 0xB7, 0x14, 0x50, 0xDF, 0x69, 0xF3, 0x48,
    0xF4, 0x56, 0x14, 0xFA, 0x62, 0x44, 0x13, 0x3A, 0x44, 0x0D, 0xBF, 0x04,
    0xAA, 0x86, 0x17, 0xBF, 0xFC, 0xC7, 0x60, 0x05, 0xD6, 0x90, 0x0B, 0xC3,
    0x20, 0xEF, 0xD1, 0xCE, 0x70, 0x64, 0x3E, 0xA5, 0x8B, 0x23, 0x06, 0xCB,
    0x68, 0x37, 0xCC, 0xA1, 0x91, 0x41, 0x7D, 0x69, 0x6E, 0xF9, 0xF2, 0xE2,
    0x4A, 0x96, 0xB9, 0xB9, 0x2E, 0x1F, 0xCD, 0xD7, 0x1C, 0xF8, 0x67, 0x65,
    0xF4, 0x56, 0xD2, 0x67, 0x06, 0xA7, 0x66, 0xB0, 0x62, 0xFF, 0xE4, 0xDD,
    0xDA, 0x74, 0xCF, 0xF2, 0xBE, 0xF0, 0x3C, 0xCF, 0x13, 0x0C, 0x5E, 0x52,
    0x30, 0x6B, 0xB8, 0x39, 0xB4, 0xCD, 0xFC, 0x8A, 0xE4, 0x65, 0x81, 0x3D,
    0xBB, 0x96, 0x5A, 0x0C, 0xAD, 0x53, 0x08, 0xD3, 0xEE, 0xF9, 0xDA, 0xE4,
    0x74, 0xEC, 0xFB, 0x81, 0xAF, 0x3F, 0xC0, 0xD2, 0xB2, 0x98, 0xD7, 0x45,
    0x9B, 0x08, 0x8F, 0xC4, 0xB9, 0x80, 0xE2, 0x55, 0x0A, 0xA2, 0xE5, 0xA1,
    0xD6, 0x07, 0xEA, 0xE9, 0xB6, 0xFD, 0xC2, 0x8C, 0x1A, 0x25, 0xB5, 0x21,
    0x89, 0xF9, 0x52, 0xC0, 0x9F, 0x83, 0xCE, 0x1C, 0x05, 0xA6, 0x03, 0xF2,
    0xA4, 0xAC, 0xB5, 0x2C, 0xDE, 0x2C, 0x9C, 0x61, 0xBF, 0xC0, 0xFB, 0xC6,
    0x51, 0x6C, 0x30, 0x71, 0xD7, 0x32, 0x86, 0xA4, 0x29, 0xA6, 0xE1, 0x54,
    0x45, 0xB8, 0xAC, 0xAF, 0xA4, 0x75, 0x9D, 0x80, 0x2E, 0x45, 0xD5, 0xDA,
    0x5C, 0xCF, 0xFC, 0x17, 0x08, 0x33, 0xA5, 0x2D, 0x4D, 0xF1, 0x20, 0x45,
    0x82, 0x78, 0x41, 0xD4, 0xFE, 0xAE, 0x94, 0x00, 0x32, 0x57, 0x2A, 0xBE,
    0x30, 0x50, 0x84, 0x09, 0x3C, 0x7D, 0xB9, 0xC7, 0x48, 0x20, 0xB7, 0x6B,
    0xCD, 0x17, 0xA2, 0x70, 0x3B, 0xE2, 0xCD, 0x8E, 0x81, 0x9C, 0x12, 0x4D,
    0xD6, 0x01, 0x7D, 0x58, 0xA2, 0x0E, 0x5C, 0xF8, 0x88, 0x28, 0xD3, 0xC0,
    0xEB, 0x5F, 0xBF, 0x89, 0x47, 0x24, 0x8E, 0xF3, 0xC1, 0x97, 0x56, 0x82,
    0xC1, 0x3E, 0xC8, 0x8A, 0x67, 0x4C, 0x5C, 0x6C, 0xA7, 0x2C, 0x7D, 0x95,
    0xE1, 0x45, 0x67, 0xFC, 0x04, 0x6C, 0xA1, 0xA0, 0x88, 0x8A, 0xA7, 0x9E,
    0x2E, 0x4B, 0x6F, 0x67, 0x5E, 0x46, 0xE6, 0xE7, 0x36, 0x63, 0x74, 0x07,
    0x10, 0xD2, 0xE3, 0x26, 0x13, 0x66, 0xD3, 0x91, 0xDA, 0x47, 0xD8, 0xF6,
    0xCD, 0x73, 0x21, 0x22, 0x05, 0xEF, 0x65, 0x59, 0x6B, 0x28, 0x2D, 0xD4,
    0x40, 0xE1, 0x6C, 0x17, 0x61, 0x97, 0x62, 0x11, 0x0F, 0x65, 0x40, 0x19,
    0x86, 0x39, 0xCE, 0x02, 0x77, 0x74, 0xA9, 0x9B, 0x6D, 0xE8, 0x05, 0x4E,
    0x83, 0xFE, 0x2D, 0xDB, 0xE5, 0xE0, 0xFB, 0xBD, 0x31, 0x1A, 0x78, 0xD1,
    0x8E, 0xBE, 0x33, 0x72, 0xA8, 0x1C, 0x6F, 0x03, 0x61, 0x3F, 0xB2, 0xC1,
    0x6A, 0x12, 0xF1, 0xBE, 0x75, 0x08, 0x1A, 0xC2, 0xDF, 0xE2, 0xC0, 0x37,
    0xAF, 0x71, 0xB4, 0x6C, 0x1D, 0x2F, 0xA2, 0x9C, 0xDB, 0x6F, 0x0A, 0x51,
    0xF1, 0xFB, 0x0E, 0xDD, 0x45, 0xB9, 0xC1, 0x67, 0x18, 0x13, 0x46, 0xC2,
    0x79, 0x1C, 0xFD, 0xD1, 0xE0, 0xA5, 0xA7, 0x66, 0xBB, 0x3E, 0xED, 0x7E,
    0x5E, 0x1D, 0x0D, 0x44, 0xC2, 0xBC, 0xBD, 0xC0, 0x9A, 0x03, 0x1C, 0xC7,
    0x78, 0x98, 0x68, 0xF1, 0x19, 0x8D, 0x88, 0xCA, 0x0C, 0x92, 0x59, 0x35,
    0xF5, 0xAA, 0x31, 0x9D, 0x20, 0x5E, 0xAB, 0x76, 0x32, 0x3F, 0x66, 0xF7,
    0xCA, 0x4E, 0x7C, 0x54, 0xDD, 0x4E, 0xEB, 0x97, 0xAC, 0x3B, 0x10, 0xD1,
    0x6D, 0x35, 0x28, 0x33, 0xA3, 0xBF, 0x6E, 0x67, 0x29, 0x66, 0xA0, 0x17,
    0x69, 0xE7, 0x5B, 0x84, 0x3A, 0xC7, 0x8C, 0x9F, 0xDC, 0x6B, 0x98, 0xD2,
    0x00, 0x82, 0xF2, 0xB9, 0xAD, 0xD5, 0x2D, 0xE4, 0xB7, 0x31, 0xAF, 0x14,
    0x31, 0x33, 0x96, 0x03, 0x2B, 0x00, 0xA2, 0x84, 0xD2, 0x62, 0xA8, 0xC9,
    0xA2, 0x31, 0xDE, 0x9D, 0x16, 0xCB, 0xE0, 0x79, 0xBC, 0x7B, 0x8E, 0x77,
    0xDE, 0xF8, 0x08, 0xD6, 0x1B, 0x0B, 0xC5, 0xFA, 0x87, 0xE5, 0xFE, 0x8C,
    0x2D, 0x22, 0x29, 0xFC, 0xFC, 0xDA, 0x2D, 0x5D, 0x11, 0xA9, 0xDD, 0xE1,
    0xD4, 0x11, 0x7D, 0xDA, 0xAA, 0xBB, 0x58, 0x81, 0xBD, 0x71, 0x0A, 0x31,
    0x39, 0xD2, 0x79, 0x41, 0x98, 0x27, 0x4D, 0xAC, 0xA5, 0x05, 0xF1, 0xA7,
    0x77, 0xCB, 0x14, 0x1B, 0x68, 0x04, 0x19, 0x69, 0xAC, 0x4A, 0x3F, 0x4F,
    0x03, 0x48, 0x99, 0xD4, 0x97, 0xE1, 0x3B, 0xB4, 0xFE, 0xA9, 0xF9, 0xC4,
    0x2A, 0x8F, 0x21, 0xEB, 0x10, 0x96, 0xBB, 0x55, 0x9F, 0xA9, 0x60, 0x2D,
    0xF2, 0xE7, 0x56, 0x87, 0x9B, 0xB2, 0x77, 0xDB, 0x53, 0x8E, 0x9F, 0xD7,
    0xF1, 0x6F, 0xAC, 0x15, 0x9B, 0xB0, 0x09, 0xB1, 0x91, 0x78, 0x1A, 0x00,
    0x87, 0x6A, 0x09, 0xED, 0x8A, 0xD2, 0xFF, 0x19, 0x5E, 0xF5, 0xB0, 0x3D,
    0x60, 0x7E, 0xFB, 0xEF, 0xEB, 0x24, 0x17, 0x73, 0x02, 0xF3, 0x3F, 0x27,
    0xED, 0x33, 0x94, 0x83, 0x81, 0xAE, 0x1A, 0x1A, 0xCE, 0x3C, 0xCD, 0xC7,
    0x02, 0x66, 0xF5, 0xA7, 0x76, 0xFB, 0xAC, 0x95, 0x1C, 0xE9, 0xA0, 0xE8,
    0x25, 0x22, 0x6E, 0x66, 0x1F, 0x24, 0xEA, 0x7B, 0x2D, 0x47, 0x76, 0x46,
    0x2D, 0x62, 0xEF, 0x59, 0x8E, 0x23, 0xC1, 0x46, 0xAB, 0xAE, 0x3A, 0x0D,
    0x81, 0x47, 0x00, 0xED, 0xFA, 0x9B, 0x03, 0xBF, 0x53, 0x48, 0xE0, 0x8E,
    0xF8, 0xB0, 0xD5, 0x93, 0x59, 0xE1, 0xAD, 0xBC, 0xDD, 0x5B, 0x23, 0x9F,
    0x83, 0x19, 0x01, 0xCB, 0x06, 0x72, 0xDD, 0xEA, 0x5D, 0xAE, 0x7A, 0x0E,
    0xDA, 0x1D, 0xC7, 0x88, 0x06, 0x75, 0x84, 0xC3, 0x17, 0x54, 0x8C, 0x7D,
    0x74, 0x74, 0x8F, 0xE8, 0x06, 0x2E, 0x07, 0x49, 0xAE, 0xFB, 0x02, 0x6E,
    0x0D, 0xD0, 0xA1, 0xFC, 0xAA, 0x62, 0xA4, 0xCE, 0x2C, 0xCC, 0x25, 0x4A,
    0x9C, 0x63, 0x98, 0xAC, 0xD8, 0xDF, 0x8B, 0x21, 0x23, 0xB3, 0xC0, 0xC2,
    0xC7, 0x92, 0x78, 0x1C, 0x81, 0x35, 0x61, 0xA5, 0xD8, 0x15, 0xD0, 0x7C,
    0x8F, 0x31, 0x7E, 0x3B, 0x16, 0x18, 0x43, 0x24, 0xAC, 0xF0, 0x45, 0x02,
    0xB5, 0x97, 0x7B, 0x1C, 0x74, 0xF6, 0xCD, 0xAF, 0xBF, 0xD2, 0x2C, 0x69,
    0xCD, 0xB6, 0x40, 0x84, 0x37, 0x80, 0xC7, 0xAD, 0x39, 0xCC, 0x66, 0xC8,
    0x70, 0x93, 0xB3, 0xCC, 0x51, 0x3C, 0xE5, 0x20, 0xD7, 0x47, 0xF5, 0x2D,
    0xB4, 0xB9, 0x23, 0x2D, 0x09, 0xFE, 0x4E, 0x08, 0x60, 0x15, 0xF6, 0xDB,
    0xE4, 0x63, 0x45, 0x19, 0x1F, 0xE7, 0x07, 0x9F, 0x49, 0x1E, 0xE8, 0xAC,
    0x4D, 0x53, 0xCD, 0xDC, 0xC7, 0xEA, 0x2B, 0x94, 0x6F, 0x7F, 0x13, 0x76,
    0x9F, 0x96, 0xDB, 0xD0, 0x23, 0x80, 0x1F, 0x32, 0x7F, 0xEF, 0x8B, 0xD5,
    0x7E, 0x68, 0x1C, 0xDF, 0x43, 0xA4, 0x85, 0x2A, 0xFF, 0x78, 0xAF, 0x93,
    0x76, 0x17, 0x35, 0xF1, 0x54, 0x81, 0x40, 0xEC, 0x8A, 0xCC, 0x6F, 0x0F,
    0x9F, 0x61, 0xE7, 0x66, 0xE3, 0x4A, 0xBD, 0xB0, 0xEF, 0x8E, 0x4A, 0x08,
    0x27, 0x54, 0xE6, 0x7A, 0x2C, 0x2D, 0xCA, 0x82, 0xAD, 0x36, 0x96, 0x21,
    0x5D, 0x93, 0x0C, 0xA4, 0x2E, 0xB6, 0x62, 0x25, 0xF3, 0x7E, 0xEE, 0x71,
    0xB4, 0x86, 0xF1, 0xB6, 0x7B, 0xDD, 0xAD, 0x55, 0x55, 0xA7, 0xB1, 0x6D,
    0xE9, 0xA6, 0xAB, 0xA7, 0x2D, 0x70, 0x0D, 0xFD, 0x38, 0x97, 0x1F, 0x6D,
    0x18, 0xB4, 0x3B, 0x2F, 0xB1, 0x2D, 0x5B, 0xC0, 0x8E, 0x5D, 0xB5, 0x82,
    0x67, 0x03, 0xAA, 0x8E, 0x19, 0x0A, 0x8D, 0x58, 0x8C, 0x16, 0xA9, 0xD8,
    0x14, 0xFF, 0xD8, 0x27, 0x70, 0x01, 0x4B, 0x10, 0x29, 0x19, 0x68, 0xE9,
    0x64, 0x5E, 0xA9, 0x42, 0xBD, 0x5A, 0xCB, 0x9B, 0xBC, 0x52, 0x3B, 0x93,
    0x01, 0x48, 0x19, 0x30, 0xFC, 0x29, 0x0A, 0x35
};

void plr_ecc_encode_bch(u32_t ecc_ability, void *dma_addr, void *p_eccbuf)
{
    u32_t encode_addr = (u32_t)dma_addr;
    u32_t page_size = BCH_SECTOR_SIZE*BCH_SECTS_PER_2K_PAGE;
    u8_t *tag_addr = (u8_t *)(encode_addr + page_size);
    u8_t *syn_addr = (u8_t *)(tag_addr + BCH_TAG_SIZE*BCH_SECTS_PER_2K_PAGE);

    u32_t syn_size;
    if(12 == ecc_ability) syn_size = BCH12_SYNDROME_SIZE;
    else syn_size = BCH6_SYNDROME_SIZE;

   // dcache_wr_inv((u32_t)dma_addr, (u32_t)(dma_addr+page_size));
  
    u32_t j;
    for(j=0 ; j         bch6_ecc_512B_encode((unsigned char *)(syn_addr), (unsigned char *)encode_addr, (unsigned char *)tag_addr);
        //dcache_wr_inv((u32_t)tag_addr, (u32_t)(tag_addr+BCH_TAG_SIZE));
        //dcache_wr_inv((u32_t)syn_addr, (u32_t)(syn_addr+syn_size));
    }
}

#if !defined(__LUNA_KERNEL__)
void init_ecc_sw_patch(void)
{
   // plr_spi_nand_flash_info._ecc_encode = &plr_ecc_encode_bch;
}
//REG_INIT_FUNC(init_ecc_sw_patch, 5);
#endif

unsigned char p_eccbuf[64] = {0xff};

    
    

/* 未命名11 (2023/7/25 17:30:44)
   起始位置(h): 00000000, 结束位置(h): 0000003F, 长度(h): 00000040 */

unsigned char rawData_oob[64] = {
    0xFF, 0xFF, 0xFF, 0xFF, 0x35, 0x32, 0x31, 0x30, 0x00, 0x01, 0x00, 0x00,
    0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x63, 0x00, 0x00, 0x00, 0x02,
    0xD0, 0xA2, 0x92, 0xD8, 0x80, 0xFE, 0x30, 0xB5, 0x8C, 0x64, 0xE5, 0x47,
    0x50, 0xFB, 0x30, 0x19, 0x86, 0x8B, 0x28, 0x4C, 0xEC, 0x82, 0x30, 0x8A,
    0x25, 0x23, 0x2A, 0xD2, 0xF0, 0xFC, 0x06, 0x13, 0x32, 0xD4, 0x61, 0x30,
    0x27, 0x69, 0x01, 0x40
};

extern int macdbg_dmphex(const char* buff, int len);

unsigned char ecc_out[64];

void test_fuck( void )     
{
    macdbg_dmphex( (const char *)ecc_out, sizeof(ecc_out) ); 
    bch6_ecc_512B_encode(ecc_out, rawData, rawData_oob  );
    macdbg_dmphex( (const char *)ecc_out, sizeof(ecc_out) ); 
}

static int do_version(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
    char buf[DISPLAY_OPTIONS_BANNER_LENGTH];

    printf(display_options_get_banner(false, buf, sizeof(buf)));

    printf("do_version = %p\n", do_version);

    macdbg_dmphex( (const char *)rawData, sizeof(rawData) ); 

    memcpy( &rawData[2048], rawData_oob, 24);
    plr_ecc_encode_bch(6, rawData, NULL);

    macdbg_dmphex( (const char *)rawData, sizeof(rawData) ); 
    
    //test_fuck();

    
#ifdef CC_VERSION_STRING
    puts(CC_VERSION_STRING "\n");
#endif
#ifdef LD_VERSION_STRING
    puts(LD_VERSION_STRING "\n");
#endif
#ifdef CONFIG_SYS_COREBOOT
    printf("coreboot-%s (%s)\n", lib_sysinfo.version, lib_sysinfo.build);
#endif
    return 0;
}

U_BOOT_CMD(
    version,    1,        1,    do_version,
    "print monitor, compiler and linker version",
    ""
);