}
+void small_mount_test(const char *mountpt,int nmounts)
+{
+
+ char a[30];
+ char b[30];
+ char c[30];
+
+ int i;
+ int j;
+
+ int h0;
+ int h1;
+ int len0;
+ int len1;
+ int nread;
+
+ sprintf(a,"%s/a",mountpt);
+
+ yaffs_StartUp();
+
+
+
+ for(i = 0; i < nmounts; i++){
+
+ static char xx[1000];
+
+ printf("############### Iteration %d Start\n",i);
+ if(1 || i == 0 || i == 5)
+ yaffs_mount(mountpt);
+
+ dump_directory_tree(mountpt);
+
+ yaffs_mkdir(a,0);
+
+ sprintf(xx,"%s/0",a);
+ if(i ==0){
+
+ h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+ for(j = 0; j < 130; j++)
+ yaffs_write(h0,xx,1000);
+ yaffs_close(h0);
+ }
+
+ h0 = yaffs_open(xx,O_RDONLY,0);
+
+ sprintf(xx,"%s/1",a);
+ h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+
+ while((nread = yaffs_read(h0,xx,1000)) > 0)
+ yaffs_write(h1,xx,nread);
+
+
+ len0 = yaffs_lseek(h0,0,SEEK_END);
+ len1 = yaffs_lseek(h1,0,SEEK_END);
+
+ yaffs_lseek(h0,0,SEEK_SET);
+ yaffs_lseek(h1,0,SEEK_SET);
+
+ for(j = 0; j < 200; j++){
+ yaffs_read(h0,xx,1000);
+ yaffs_read(h1,xx,1000);
+ }
+
+ yaffs_close(h0);
+ yaffs_close(h1);
+
+ printf("########### %d\n",i);
+ dump_directory_tree(mountpt);
+
+ if(1 || i == 4 || i == nmounts -1)
+ yaffs_unmount(mountpt);
+ }
+}
+
+
void yaffs_touch(const char *fn)
{
yaffs_chmod(fn, S_IREAD | S_IWRITE);
//scan_pattern_test("/flash",10000,10);
//short_scan_test("/flash/flash",40000,200);
- multi_mount_test("/flash/flash",1000);
+ small_mount_test("/flash/flash",1000);
//checkpoint_fill_test("/flash/flash",20);
//checkpoint_upgrade_test("/flash/flash",20);
// huge_array_test("/flash/flash",10);
// This provides a YAFFS nand emulation on a file for emulating 2kB pages.
// THis is only intended as test code to test persistence etc.
-const char *yaffs_flashif_c_version = "$Id: yaffs_fileem2k.c,v 1.9 2006-11-08 09:49:47 charles Exp $";
+const char *yaffs_flashif_c_version = "$Id: yaffs_fileem2k.c,v 1.10 2006-11-13 07:16:37 charles Exp $";
#include "yportenv.h"
#include "yaffs_fileem2k.h"
#include "yaffs_packedtags2.h"
-#define SIMULATE_FAILURES
+//#define SIMULATE_FAILURES
typedef struct
{
int yaffs_testPartialWrite = 0;
+
+
+static __u8 localBuffer[PAGE_SIZE];
+
static char *NToName(char *buf,int n)
{
sprintf(buf,"emfile%d",n);
int written;
int pos;
int h;
+ int i;
+ int nRead;
+ int error;
T(YAFFS_TRACE_MTD,(TSTR("write chunk %d data %x tags %x" TENDSTR),chunkInNAND,(unsigned)data, (unsigned)tags));
h = filedisk.handle[(chunkInNAND / (PAGES_PER_BLOCK * BLOCKS_PER_HANDLE))];
lseek(h,pos,SEEK_SET);
- written = write(h,data,dev->nDataBytesPerChunk);
+ nRead = read(h, localBuffer,dev->nDataBytesPerChunk);
+ for(i = error = 0; i < dev->nDataBytesPerChunk && !error; i++){
+ if(localBuffer[i] != 0xFF){
+ printf("nand simulation: chunk %d data byte %d was %0x2\n",
+ chunkInNAND,i,localBuffer[i]);
+ error = 1;
+ }
+ }
+
+ for(i = 0; i < dev->nDataBytesPerChunk; i++)
+ localBuffer[i] &= data[i];
+
+ if(memcmp(localBuffer,data,dev->nDataBytesPerChunk))
+ printf("nand simulator: data does not match\n");
+
+ lseek(h,pos,SEEK_SET);
+ written = write(h,localBuffer,dev->nDataBytesPerChunk);
if(yaffs_testPartialWrite){
close(h);
h = filedisk.handle[(chunkInNAND / (PAGES_PER_BLOCK * BLOCKS_PER_HANDLE))];
lseek(h,pos,SEEK_SET);
+
if( 0 && dev->isYaffs2)
{
{
yaffs_PackedTags2 pt;
yaffs_PackTags2(&pt,tags);
-
- written = write(h,&pt,sizeof(pt));
+ __u8 * ptab = (__u8 *)&pt;
+
+ nRead = read(h,localBuffer,sizeof(pt));
+ for(i = error = 0; i < sizeof(pt) && !error; i++){
+ if(localBuffer[i] != 0xFF){
+ printf("nand simulation: chunk %d oob byte %d was %0x2\n",
+ chunkInNAND,i,localBuffer[i]);
+ error = 1;
+ }
+ }
+
+ for(i = 0; i < sizeof(pt); i++)
+ localBuffer[i] &= ptab[i];
+
+ if(memcmp(localBuffer,&pt,sizeof(pt)))
+ printf("nand sim: tags corruption\n");
+
+ lseek(h,pos,SEEK_SET);
+
+ written = write(h,localBuffer,sizeof(pt));
if(written != sizeof(pt)) return YAFFS_FAIL;
}
}
static int fail300 = 1;
static int fail320 = 1;
+static int failRead10 = 2;
+
int yflash_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags)
{
int nread;
lseek(h,pos,SEEK_SET);
nread = read(h,data,dev->nDataBytesPerChunk);
+
if(nread != dev->nDataBytesPerChunk) return YAFFS_FAIL;
}
}
}
#endif
+ if(failRead10>0 && chunkInNAND == 10){
+ failRead10--;
+ nread = 0;
+ }
+
if(nread != sizeof(pt)) return YAFFS_FAIL;
}
}
CheckInit();
+ printf("erase block %d\n",blockNumber);
+
if(blockNumber == 320)
fail320 = 1;