Need a unique gift idea?
A Pastebin account makes a great Christmas gift
SHARE
TWEET

Untitled

a guest Jul 11th, 2018 57 Never
Upgrade to PRO!
ENDING IN00days00hours00mins00secs
 
  1. #include <stdio.h>
  2. #include <system.h>
  3.  
  4. #define BYPASS_DCACHE   (0x1 << 31)
  5.  
  6. typedef volatile unsigned int vu32;
  7. typedef unsigned int u32;
  8. typedef unsigned char u8;
  9.  
  10. #define REG_USBCNT          (*(vu32*)((USB_BASE+0x0) | BYPASS_DCACHE))
  11.  
  12. #define REG_BUTTONS         (*(vu32*)(BUTTONS_BASE | BYPASS_DCACHE))
  13. #define REG_MMCCNT          (*(vu32*)((DSNAND_BASE+0x0) | BYPASS_DCACHE))
  14. #define REG_MMCCMD0         (*(vu32*)((DSNAND_BASE+0x4) | BYPASS_DCACHE))
  15. #define REG_MMCCMD1         (*(vu32*)((DSNAND_BASE+0x8) | BYPASS_DCACHE))
  16. #define REG_MMCCMD2         (*(vu32*)((DSNAND_BASE+0xC) | BYPASS_DCACHE))
  17. #define REG_MMCCMD3         (*(vu32*)((DSNAND_BASE+0x10) | BYPASS_DCACHE))
  18. #define REG_MMCCMD4         (*(vu32*)((DSNAND_BASE+0x14) | BYPASS_DCACHE))
  19. #define REG_MMCFIFO         (*(vu32*)((DSNAND_BASE+0x18) | BYPASS_DCACHE))
  20.  
  21.  
  22. typedef struct
  23. {
  24.     unsigned char command[5];
  25.     unsigned int responsesize;
  26.     unsigned int datasize;
  27. } MmcCommand;
  28.  
  29. MmcCommand CMD0   = { {0,  0x00, 0x00, 0x00, 0x00}, 0,   0};
  30. MmcCommand CMD1   = { {1,  0x0F, 0xF0, 0x00, 0x00}, 47,  0};
  31. MmcCommand CMD2   = { {2,  0x00, 0x00, 0x00, 0x00}, 135, 0};
  32. MmcCommand CMD3   = { {3,  0x00, 0x01, 0x00, 0x00}, 47,  0};
  33. MmcCommand CMD7   = { {7,  0x00, 0x01, 0x00, 0x00}, 47,  0};
  34. MmcCommand CMD9   = { {9,  0x00, 0x01, 0x00, 0x00}, 135, 0};
  35. MmcCommand CMD16  = { {16, 0x00, 0x00, 0x02, 0x00}, 47,  0};
  36. MmcCommand CMD17  = { {17, 0x00, 0x00, 0x00, 0x00}, 47,  129};
  37.  
  38.  
  39.  
  40. const unsigned short mmc_crctable[256] =
  41. {
  42.     0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
  43.     0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
  44.     0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
  45.     0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
  46.     0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
  47.     0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
  48.     0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
  49.     0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
  50.     0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
  51.     0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
  52.     0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
  53.     0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
  54.     0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
  55.     0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
  56.     0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
  57.     0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
  58.     0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
  59.     0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
  60.     0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
  61.     0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
  62.     0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
  63.     0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
  64.     0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
  65.     0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
  66.     0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
  67.     0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
  68.     0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
  69.     0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
  70.     0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
  71.     0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
  72.     0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
  73.     0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
  74. };
  75.    
  76.  
  77. unsigned short MMC_CRC16(const u8* data, u32 length)
  78. {
  79.     int i;
  80.     unsigned short crc = 0;
  81.    
  82.     for(i=0; i<length; i++)
  83.     {
  84.         crc = ( crc << 8 ) ^ mmc_crctable[ ( crc >> 8 ) ^ data[i] ];
  85.     }
  86.     return crc;
  87. }
  88.  
  89.  
  90. unsigned char MMC_CRC7(const unsigned char* in, unsigned int length)
  91. {
  92.     int i,j;
  93.  
  94.     unsigned char byte, crc=0;
  95.  
  96.     for(i=0; i < length; i++)
  97.     {
  98.         byte = in[i];
  99.  
  100.         for(j=0; j<8; j++)
  101.         {
  102.             crc <<= 1;
  103.             if ((crc ^ byte) & 0x80)
  104.                 crc ^= 0x09;
  105.             byte<<=1;
  106.         }
  107.          
  108.         crc &= 0x7f;
  109.     }
  110.  
  111.   return crc;
  112. }
  113.  
  114. int MMC_ReadFifo(u32* data)
  115. {
  116.     u32 tmp;
  117.    
  118.     if (REG_MMCCNT & (1<<23))
  119.         return 0;
  120.        
  121.     tmp = REG_MMCFIFO;
  122.  
  123.     if (data)      
  124.         *data = tmp;
  125.    
  126.     return 1;
  127. }
  128.  
  129. void MMC_FlushFifo()
  130. {
  131.     while(1)
  132.     {
  133.         if (0 == MMC_ReadFifo(0))
  134.             break;
  135.     }    
  136. }
  137.  
  138. void MMC_SendCommand(const MmcCommand* cmd)
  139. {
  140.     unsigned char frame[6];
  141.    
  142.     frame[0] = (cmd->command[0] & 0x7F) | 0x40;
  143.     frame[1] = cmd->command[1];
  144.     frame[2] = cmd->command[2];
  145.     frame[3] = cmd->command[3];
  146.     frame[4] = cmd->command[4];
  147.     frame[5] = (MMC_CRC7(frame, 5)<<1) | 1;
  148.    
  149.     MMC_FlushFifo();
  150.    
  151.     REG_MMCCMD0 = (frame[2]<<24) | (frame[3]<<16) | (frame[4]<<8) | (frame[5]<<0);
  152.     REG_MMCCMD1 = (frame[0]<<8) | (frame[1]<<0);
  153.    
  154.     REG_MMCCNT = (1<<29) | (cmd->datasize<<8) | (cmd->responsesize);
  155. }
  156.  
  157.  
  158. void MMC_Init()
  159. {
  160.     REG_MMCCNT = (1<<30) | (1<<28);
  161.    
  162.     while( 0 == (REG_MMCCNT & (1<<26)) )
  163.     {
  164.     }
  165. }
  166.  
  167. void MMC_SetClockMode(u32 mode)
  168. {
  169.     mode &= 1;
  170.    
  171.     REG_MMCCNT = (1<<28) | (mode<<27);
  172. }
  173.  
  174. void MMC_WaitIdle()
  175. {
  176.     while(0 == (REG_MMCCNT & (1<<25)))
  177.     {
  178.         //printf("Waiting command (%x)..\n", REG_MMCCNT);
  179.     }
  180. }
  181.  
  182. void MMC_WaitResponse()
  183. {
  184.     while(0 == (REG_MMCCNT & (1<<24)))
  185.     {
  186.         //printf("Waiting command (%x)..\n", REG_MMCCNT);
  187.     }
  188. }
  189.  
  190. void MMC_WaitResponse32(u32* response)
  191. {
  192.     MMC_WaitResponse();
  193.     MMC_WaitIdle();
  194.    
  195.     *response = ((REG_MMCCMD1 & 0xFF) << 24) | (REG_MMCCMD0>>8);
  196. }
  197.  
  198. void MMC_WaitResponse128(u32* response)
  199. {
  200.     MMC_WaitResponse();
  201.     MMC_WaitIdle();
  202.    
  203.     response[0] = (REG_MMCCMD4<<24) | (REG_MMCCMD3>>8);
  204.     response[1] = (REG_MMCCMD3<<24) | (REG_MMCCMD2>>8);
  205.     response[2] = (REG_MMCCMD2<<24) | (REG_MMCCMD1>>8);
  206.     response[3] = (REG_MMCCMD1<<24) | (REG_MMCCMD0>>8);
  207. }
  208.  
  209. void USB_Wait()
  210. {
  211.     while( REG_USBCNT & (1<<31) )
  212.     {
  213.     }      
  214. }
  215.  
  216. void USB_Write(u8 data)
  217. {
  218.     USB_Wait();
  219.    
  220.     REG_USBCNT = (1<<31) | data;
  221.    
  222.     USB_Wait();    
  223. }
  224.  
  225.  
  226. int main()
  227. {
  228.     u32 i;
  229.     u32 status;
  230.     u32 ocr;
  231.     u32 cid[4];
  232.     u32 csd[4];
  233.    
  234.     u32 buf[129];
  235.     u8* buf8 = (u8*)&buf;
  236.    
  237.     while( REG_BUTTONS & (1<<2) );
  238.    
  239.     MMC_Init();
  240.    
  241.     MMC_SendCommand(&CMD0);    
  242.     MMC_WaitIdle();
  243.  
  244.     while(1)
  245.     {
  246.         MMC_SendCommand(&CMD1);
  247.         MMC_WaitResponse32(&ocr);
  248.        
  249.         printf("OCR = %08X\n", ocr);  
  250.        
  251.         if (ocr & 0x80000000)
  252.             break;    
  253.     }
  254.    
  255.     MMC_SendCommand(&CMD2);        
  256.     MMC_WaitResponse128(cid);
  257.    
  258.     printf("CID = %08X%08X%08X%08X\n", cid[0], cid[1], cid[2], cid[3]);
  259.    
  260.     MMC_SendCommand(&CMD3);
  261.     MMC_WaitResponse32(&status);
  262.    
  263.     printf("Status = %08X\n", status);  
  264.    
  265.     MMC_SendCommand(&CMD9);
  266.     MMC_WaitResponse128(csd);
  267.    
  268.     printf("CSD = %08X%08X%08X%08X\n", csd[0], csd[1], csd[2], csd[3]);
  269.    
  270.     MMC_SendCommand(&CMD7);
  271.     MMC_WaitResponse32(&status);
  272.    
  273.     printf("Status = %08X\n", status);  
  274.    
  275.     MMC_SendCommand(&CMD16);
  276.     MMC_WaitResponse32(&status);
  277.    
  278.     printf("Status = %08X\n", status);
  279.    
  280.     MMC_SetClockMode(1);
  281.    
  282.     u32 sector = 0;
  283.     int percentage = 0, lastpercentage = -1;
  284.    
  285.     for(sector=0; sector<491520; sector++)
  286.     {    
  287.         u32 address = sector * 512;
  288.        
  289.         CMD17.command[1] = address>>24;
  290.         CMD17.command[2] = address>>16;
  291.         CMD17.command[3] = address>>8;
  292.         CMD17.command[4] = address>>0;
  293.        
  294.         MMC_SendCommand(&CMD17);
  295.         MMC_WaitResponse32(&status);
  296.        
  297.         for(i=0; i<129; i++)
  298.         {
  299.             if (0 == MMC_ReadFifo(buf+i))
  300.                 break;
  301.         }
  302.        
  303.         for(i=0; i<514; i++)
  304.             USB_Write(buf8[i]);
  305.            
  306.         percentage = sector * 100 / 491520;
  307.        
  308.         if (percentage != lastpercentage)
  309.         {
  310.             lastpercentage = percentage;
  311.             printf("Dumping %d%%..\n", percentage);
  312.         }
  313.     }
  314.    
  315.     for(;;)
  316.     {
  317.     }
  318.  
  319.     return 0;
  320. }
RAW Paste Data
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. OK, I Understand
 
Top