direct/bootldtst.c

   1
   2
   3 #include <stdio.h>
   4
   5 #include "yaffs_guts.h"
   6 #include "yaffs_flashif.h"
   7
   8 #include "yboot.h"
   9
  10
  11 unsigned yaffs_traceMask = 0xFFFFFFFF;
  12
  13 static void InitDevice(yaffs_Device *dev)
  14 {
  15         // Initialise the NAND device. This should agree with what is set in yaffscfg for /boot
  16
  17         // /boot
  18         // Only some of these parameters are actually used.
  19         dev->nBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
  20         dev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
  21         dev->startBlock = 1; // Can't use block 0
  22         dev->endBlock = 127; // Last block in 2MB.
  23         dev->useNANDECC = 0; // use YAFFS's ECC
  24         dev->nShortOpCaches = 10; // Use caches
  25         dev->genericDevice = (void *) 1;        // Used to identify the device in fstat.
  26         dev->writeChunkToNAND = yflash_WriteChunkToNAND;
  27         dev->readChunkFromNAND = yflash_ReadChunkFromNAND;
  28         dev->eraseBlockInNAND = yflash_EraseBlockInNAND;
  29         dev->initialiseNAND = yflash_InitialiseNAND;
  30 }
  31
  32
  33 int main()
  34 {
  35         int oId;
  36
  37         char ch;
  38         int nBytes = 0;
  39         int fsize;
  40
  41         yaffs_Device dev;
  42
  43         printf("Test boot code\n");
  44
  45         InitDevice(&dev);
  46
  47         oId = yaffsboot_InitFile(&dev,"yyfile",&fsize);
  48
  49         printf("ObjectId = %d, size is %d\n",oId,fsize);
  50
  51         if(oId < 0)
  52         {
  53                 printf("File not found\n");
  54         }
  55         else
  56         {
  57                 printf("dumping file as text\n\n");
  58
  59                 nBytes = 0;
  60
  61                 while(yaffsboot_ReadByte(&ch) >= 0)
  62                 {
  63                         printf("%c",ch);
  64                         nBytes++;
  65                 }
  66
  67                 printf("\n\n%d bytes read\n",nBytes);
  68         }
  69
  70
  71
  72
  73 }