+++ /dev/null
-/*
- * drivers/mtd/nand_ecc.c
- *
- * Copyright (C) 2000 Steven J. Hill (sjhill@cotw.com)
- * Toshiba America Electronics Components, Inc.
- *
- * $Id: nand_ecc.c,v 1.3 2002-09-27 20:50:50 charles Exp $
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * version 2.1 as published by the Free Software Foundation.
- *
- * This file contains an ECC algorithm from Toshiba that detects and
- * corrects 1 bit errors in a 256 byte block of data.
- */
- // Minor tweak by Charles Manning to prevent exporting symbols
- // when compiled in with yaffs.
-
-const char *nand_ecc_c_version = "$Id: nand_ecc.c,v 1.3 2002-09-27 20:50:50 charles Exp $";
-
-#if 0
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#endif
-
-#include "yportenv.h"
-
-/*
- * Pre-calculated 256-way 1 byte column parity
- */
-static const u_char nand_ecc_precalc_table[] = {
- 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00,
- 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65,
- 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66,
- 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03,
- 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69,
- 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c,
- 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f,
- 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a,
- 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a,
- 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f,
- 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c,
- 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69,
- 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03,
- 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66,
- 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65,
- 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00
-};
-
-
-/*
- * Creates non-inverted ECC code from line parity
- */
-static void nand_trans_result(u_char reg2, u_char reg3,
- u_char *ecc_code)
-{
- u_char a, b, i, tmp1, tmp2;
-
- /* Initialize variables */
- a = b = 0x80;
- tmp1 = tmp2 = 0;
-
- /* Calculate first ECC byte */
- for (i = 0; i < 4; i++) {
- if (reg3 & a) /* LP15,13,11,9 --> ecc_code[0] */
- tmp1 |= b;
- b >>= 1;
- if (reg2 & a) /* LP14,12,10,8 --> ecc_code[0] */
- tmp1 |= b;
- b >>= 1;
- a >>= 1;
- }
-
- /* Calculate second ECC byte */
- b = 0x80;
- for (i = 0; i < 4; i++) {
- if (reg3 & a) /* LP7,5,3,1 --> ecc_code[1] */
- tmp2 |= b;
- b >>= 1;
- if (reg2 & a) /* LP6,4,2,0 --> ecc_code[1] */
- tmp2 |= b;
- b >>= 1;
- a >>= 1;
- }
-
- /* Store two of the ECC bytes */
- ecc_code[0] = tmp1;
- ecc_code[1] = tmp2;
-}
-
-/*
- * Calculate 3 byte ECC code for 256 byte block
- */
-void nand_calculate_ecc (const u_char *dat, u_char *ecc_code)
-{
- u_char idx, reg1, reg2, reg3;
- int j;
-
- /* Initialize variables */
- reg1 = reg2 = reg3 = 0;
- ecc_code[0] = ecc_code[1] = ecc_code[2] = 0;
-
- /* Build up column parity */
- for(j = 0; j < 256; j++) {
-
- /* Get CP0 - CP5 from table */
- idx = nand_ecc_precalc_table[dat[j]];
- reg1 ^= (idx & 0x3f);
-
- /* All bit XOR = 1 ? */
- if (idx & 0x40) {
- reg3 ^= (u_char) j;
- reg2 ^= ~((u_char) j);
- }
- }
-
- /* Create non-inverted ECC code from line parity */
- nand_trans_result(reg2, reg3, ecc_code);
-
- /* Calculate final ECC code */
- ecc_code[0] = ~ecc_code[0];
- ecc_code[1] = ~ecc_code[1];
- ecc_code[2] = ((~reg1) << 2) | 0x03;
-}
-
-/*
- * Detect and correct a 1 bit error for 256 byte block
- */
-int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc)
-{
- u_char a, b, c, d1, d2, d3, add, bit, i;
-
- /* Do error detection */
- d1 = calc_ecc[0] ^ read_ecc[0];
- d2 = calc_ecc[1] ^ read_ecc[1];
- d3 = calc_ecc[2] ^ read_ecc[2];
-
- if ((d1 | d2 | d3) == 0) {
- /* No errors */
- return 0;
- }
- else {
- a = (d1 ^ (d1 >> 1)) & 0x55;
- b = (d2 ^ (d2 >> 1)) & 0x55;
- c = (d3 ^ (d3 >> 1)) & 0x54;
-
- /* Found and will correct single bit error in the data */
- if ((a == 0x55) && (b == 0x55) && (c == 0x54)) {
- c = 0x80;
- add = 0;
- a = 0x80;
- for (i=0; i<4; i++) {
- if (d1 & c)
- add |= a;
- c >>= 2;
- a >>= 1;
- }
- c = 0x80;
- for (i=0; i<4; i++) {
- if (d2 & c)
- add |= a;
- c >>= 2;
- a >>= 1;
- }
- bit = 0;
- b = 0x04;
- c = 0x80;
- for (i=0; i<3; i++) {
- if (d3 & c)
- bit |= b;
- c >>= 2;
- b >>= 1;
- }
- b = 0x01;
- a = dat[add];
- a ^= (b << bit);
- dat[add] = a;
- return 1;
- }
- else {
- i = 0;
- while (d1) {
- if (d1 & 0x01)
- ++i;
- d1 >>= 1;
- }
- while (d2) {
- if (d2 & 0x01)
- ++i;
- d2 >>= 1;
- }
- while (d3) {
- if (d3 & 0x01)
- ++i;
- d3 >>= 1;
- }
- if (i == 1) {
- /* ECC Code Error Correction */
- read_ecc[0] = calc_ecc[0];
- read_ecc[1] = calc_ecc[1];
- read_ecc[2] = calc_ecc[2];
- return 2;
- }
- else {
- /* Uncorrectable Error */
- return -1;
- }
- }
- }
-
- /* Should never happen */
- return -1;
-}
-
-#if 0
-EXPORT_SYMBOL(nand_calculate_ecc);
-EXPORT_SYMBOL(nand_correct_data);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Steven J. Hill <sjhill@cotw.com>");
-MODULE_DESCRIPTION("Generic NAND ECC support");
-#endif
+++ /dev/null
-/*
- * YAFFS: Yet another FFS. A NAND-flash specific file system.
- * yaffsdev.c
- *
- * Copyright (C) 2002 Aleph One Ltd.
- * for Toby Churchill Ltd and Brightstar Engineering
- *
- * Created by Charles Manning <charles@aleph1.co.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include "yaffsinterface.h"
-#include "yportenv.h"
-
-#if YAFFS_FILEEM
-#include "yaffs_fileem.h"
-#else
-#include "yaffs_nandemul.h"
-#endif
-
-#include "yaffs_guts.h"
-#include <stdlib.h>
-
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-
-
-unsigned yaffs_traceMask = 0xFFFFFFFF;
-
-yaffs_Device device;
-
-
-char *testStr = "this is a test string";
-
-char *testStr2 = "abcdefghijklmnopqrstuvwxyz1234567890";
-
-void TestTimexxx(yaffs_Device *dev)
-{
- yaffs_Object *f;
- int x;
-
-
- printf("Start\n");
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
-
- x = yaffs_RenameObject(yaffs_Root(dev),"Name1",NULL,"Rename");
-
-}
-
-
-void TestTimeasasas(yaffs_Device *dev)
-{
- yaffs_Object *f;
- int x;
- int i;
- int b;
- char data[200];
- int written;
-
-
- printf("Start\n");
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
-
- x = yaffs_RenameObject(yaffs_Root(dev),"Name1",NULL,"Rename");
-
-
-
- for(i = 0; i < 10000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,i,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,i,strlen(testStr2));
- }
-
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- printf("Flush\n");
-
- yaffs_FlushFile(f,1);
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
- yaffs_DumpObject(f);
-
- printf("Resize to 3000\n");
- yaffs_ResizeFile(f,3000);
- printf("Resize to 2048\n");
- yaffs_ResizeFile(f,2048);
-
- yaffs_DumpObject(f);
-
- yaffs_FlushFile(f,1);
-
-
-
-
-}
-
-void TestTimeBigDeletes(yaffs_Device *dev)
-{
- yaffs_Object *f;
- yaffs_Object *sl;
- yaffs_Object *lnf;
-
- yaffs_Object *hl1;
- yaffs_Object *hl2;
- yaffs_Object *hl3;
- yaffs_Object *d, *df;
-
- int x;
- int i;
- int b;
- char data[200];
-
- char * alias;
- int written;
-
-
- printf("Exisiting objects\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- printf("Exisiting objects in lost+found\n");
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
- yaffs_ApplyToDirectoryChildren(lnf,yaffs_DumpObject);
-
- printf("Start\n");
-
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
- for(i = 0; i < 100000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,i,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,i,strlen(testStr2));
- }
-
- yaffs_FlushFile(f,1);
- yaffs_DeleteFile(f);
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
- for(i = 0; i < 100000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,i,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,i,strlen(testStr2));
- }
-
- yaffs_FlushFile(f,1);
- yaffs_DeleteFile(f);
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
- for(i = 0; i < 100000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,i,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,i,strlen(testStr2));
- }
-
- yaffs_FlushFile(f,1);
- yaffs_DeleteFile(f);
-
-}
-
-void TestTime(yaffs_Device *dev)
-{
- yaffs_Object *f;
- yaffs_Object *sl;
- yaffs_Object *lnf;
-
- yaffs_Object *hl1;
- yaffs_Object *hl2;
- yaffs_Object *hl3;
- yaffs_Object *d, *df;
-
- int x;
- int i;
- int b;
- char data[200];
-
- char * alias;
- int written;
-
-
- printf("Exisiting objects\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- printf("Exisiting objects in lost+found\n");
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
- yaffs_ApplyToDirectoryChildren(lnf,yaffs_DumpObject);
-
- printf("Start\n");
-
-
- // Test the problem of:
- // Create file
- // Delete file
- // Create file with same name
- // Delete file <== crash
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
- yaffs_Unlink(yaffs_Root(dev),"Name1");
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
- yaffs_Unlink(yaffs_Root(dev),"Name1");
-
-
-
- // Other tests
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
-
- x = yaffs_RenameObject(yaffs_Root(dev),"Name1",NULL,"Rename");
-
-// Write a file with overwrite, then read it back and save outside yaffs
-// This is to test that write caching works.
-
- for(i = 0; i < 100; i++)
- {
- unsigned char x[500];
-
- memset(x,i,500);
-
- written = yaffs_WriteDataToFile(f,x,i*500,500);
- }
-
- for(i = 0; i < 100; i++)
- {
- unsigned char x;
-
- x = i+5;
-
- written = yaffs_WriteDataToFile(f,&x,i*500 + 2,1);
- }
-
-
- {
- int h;
-
- h = open("bork",O_RDWR | O_CREAT | O_TRUNC,0666);
- for(i = 0; i < 100; i++)
- {
- unsigned char x[500];
-
- yaffs_ReadDataFromFile(f,x,i*500,500);
- write(h,x,500);
- }
- close(h);
-
-
- }
-
-// Big write to fill disk
-
- written = 1;
- for(i = 0; i < 1000000 && written > 0; i++)
- {
- unsigned char x[500];
-
- memset(x,i,500);
-
- written = yaffs_WriteDataToFile(f,x,i*500,500);
- }
- if(written <= 0)
- {
- printf("YAFFS full\n");
- }
-
- // some short reads
- for(i = 1000; i < 50000; i+=2)
- {
- yaffs_ReadDataFromFile(f,data,i,20);
- }
-
-
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
- printf("Flush\n");
-
- yaffs_FlushFile(f,1);
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
- printf("File length is %d\n",yaffs_GetObjectFileLength(f));
-
- sl = yaffs_MknodSymLink(yaffs_Root(dev),"sym-link",0,0,0,"/tmp/alias");
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- printf("\n\nsymlink alias is \"%s\"\n",alias = yaffs_GetSymlinkAlias(sl));
-
- free(alias);
-
- printf("Unlink symlink %d\n",yaffs_Unlink(yaffs_Root(dev),"sym-link"));
-
-
- yaffs_ReadDataFromFile(f,data,1000,50);
- data[50] = 0;
-
- printf("Read data is \"%s\"\n",data);
-
- yaffs_DumpObject(f);
-
- printf("Resize 3000\n");
- yaffs_ResizeFile(f,3000);
-
- printf("Resize 2050\n");
- yaffs_ResizeFile(f,2050);
- printf("Resize 2049\n");
- yaffs_ResizeFile(f,2049);
- printf("Resize 2048\n");
- yaffs_ResizeFile(f,2048);
-
-
- printf("Resize 2000\n");
- yaffs_ResizeFile(f,2000);
-
- yaffs_DumpObject(f);
-
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
-
-
-
- yaffs_FlushFile(f,1);
-
-
- printf("Unlink file: %d\n",yaffs_Unlink(yaffs_Root(dev),"Rename"));
-
- yaffs_DeleteFile(f);
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- // Create a directory and play with it
-
-
- printf("Find or Create directory and play with it\n");
- d = yaffs_FindObjectByName(yaffs_Root(dev),"direct");
- if(!d)
- {
- d = yaffs_MknodDirectory(yaffs_Root(dev),"direct",0,0,0);
- }
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- yaffs_ApplyToDirectoryChildren(d,yaffs_DumpObject);
-
- printf("Make file in directory\n");
-
- df = yaffs_MknodFile(d,"file-in-directory",0,0,0);
- yaffs_ApplyToDirectoryChildren(d,yaffs_DumpObject);
-
-
- // Do some stuff with hardlinks
- //
- // NB Deleting hardlinked objects can mess up pointers to hardlinks.
- // The mechanism is as follows:
- // * If you unlink a file,softlink or directory that has one or more hardlinks,
- // then the object is renamed to one of the hardlinks and that hardlink is unlinked.
- // This means that a pointer to a hardlink so deleted will point to an invalid address.
- // Thus, make sure that pointers to hardlinks are immediately dereferenced.
-
-
- printf("Hard link tests\n");
-
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- hl1 = yaffs_Link(yaffs_Root(dev),"HardLink 1",f);
- hl2 = yaffs_Link(yaffs_Root(dev),"HardLink 2",f);
- hl3 = yaffs_Link(yaffs_Root(dev),"HardLink 3",hl2);
-
- printf("\n\nHard links created\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- yaffs_Unlink(yaffs_Root(dev),"HardLink 1");
- printf("\n\nHard link deleted\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- yaffs_Unlink(yaffs_Root(dev),"Name1");
- printf("\n\nHard linked file deleted\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- yaffs_Unlink(yaffs_Root(dev),"HardLink 2");
- printf("\n\nHard link 2 deleted\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- yaffs_Unlink(yaffs_Root(dev),"HardLink 3");
-
- printf("\n\nHard link 3 deleted\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- // NB We don't allow unlinking or rename of the root or lost+found
- // We allow setting attributes, but these must not be written to
- // NAND since they are not real objects.
-
- printf("Attempt to rename lost+found - should have failed\n");
- x = yaffs_RenameObject(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME,NULL,"Renamed");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
- f = yaffs_MknodFile(yaffs_Root(dev),"pfile",0,0,0);
- if(f)
- {
- yaffs_WriteDataToFile(f,testStr,0,strlen(testStr));
- }
-
- yaffs_Link(yaffs_Root(dev),"phl4",f);
-}
-
-void TestTimeDeleteFocussed(yaffs_Device *dev)
-{
- yaffs_Object *f;
- yaffs_Object *lnf;
-
-
- int x;
- int i;
- int b;
- int written;
-
-
- printf("Exisiting objects\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- printf("Exisiting objects in lost+found\n");
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
- yaffs_ApplyToDirectoryChildren(lnf,yaffs_DumpObject);
-
- printf("Start\n");
-
-
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
-
- x = yaffs_RenameObject(yaffs_Root(dev),"Name1",NULL,"Rename");
-
- for(i = 0; i < 100000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,i,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,i,strlen(testStr2));
- }
-
-
-
- yaffs_FlushFile(f,1);
-
-
- printf("Unlink file: %d\n",yaffs_Unlink(yaffs_Root(dev),"Rename"));
-
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
-
-}
-
-void TestTimeTnodeFocussed(yaffs_Device *dev)
-{
- yaffs_Object *f;
- yaffs_Object *lnf;
-
-
- int x;
- int i;
- int b;
- int written;
-
-
- printf("Exisiting objects\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- printf("Exisiting objects in lost+found\n");
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
- yaffs_ApplyToDirectoryChildren(lnf,yaffs_DumpObject);
-
- printf("Start\n");
-
-
-
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
-
- x = yaffs_RenameObject(yaffs_Root(dev),"Name1",NULL,"Rename");
-
- for(i = 0; i < 10000; i+=20)
- {
-
- b++;
- if(b & 1)
- written = yaffs_WriteDataToFile(f,testStr,0,strlen(testStr));
- else
- written = yaffs_WriteDataToFile(f,testStr2,0,strlen(testStr2));
- }
-
-}
-void TestTimeBackgroundDeleteFocussed(yaffs_Device *dev)
-{
- yaffs_Object *f;
- yaffs_Object *lnf;
-
-
- int x;
- int i,j;
- int b;
- int written;
-
-
- printf("Exisiting objects\n");
- yaffs_ApplyToDirectoryChildren(yaffs_Root(dev),yaffs_DumpObject);
- printf("Exisiting objects in lost+found\n");
- lnf = yaffs_FindObjectByName(yaffs_Root(dev),YAFFS_LOSTNFOUND_NAME);
- yaffs_ApplyToDirectoryChildren(lnf,yaffs_DumpObject);
-
- printf("Start\n");
-
-
- for(j = 0; j < 20; j++)
- {
- printf("Run %d\n",j);
-
- f = yaffs_FindObjectByName(yaffs_Root(dev),"Name1");
- if(f)
- {
- printf("Found\n");
- }
- else
- {
- f = yaffs_MknodFile(yaffs_Root(dev),"Name1",0,0,0);
- printf("Created\n");
- }
-
- printf("@@@@@@@ Run %d, object %d\n",j,f->objectId);
-
- for(i = 0; i < 1000000; i+=20)
- {
-
- written = yaffs_WriteDataToFile(f,testStr,i,100);
- }
-
- yaffs_FlushFile(f,1);
-
- yaffs_DeleteFile(f);
- }
-
-}
-
-int main(int argc,char *argv[])
-{
-
- int nBlocks;
-
-#if YAFFS_FILEEM
- nBlocks =(2 * 1024 * 1024) / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK) ;
- device.writeChunkToNAND = yaffs_FEWriteChunkToNAND;
- device.readChunkFromNAND = yaffs_FEReadChunkFromNAND;
- device.eraseBlockInNAND = yaffs_FEEraseBlockInNAND;
- device.initialiseNAND = yaffs_FEInitialiseNAND;
-
- printf("Testing on file emulation\n");
-#else
- nBlocks = (2 * 1024 * 1024) / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
- device.writeChunkToNAND = nandemul_WriteChunkToNAND;
- device.readChunkFromNAND = nandemul_ReadChunkFromNAND;
- device.eraseBlockInNAND = nandemul_EraseBlockInNAND;
- device.initialiseNAND = nandemul_InitialiseNAND;
-
- printf("Testing on RAM emulation\n");
-#endif
-
-#ifdef YAFFS_START
- device.startBlock = YAFFS_START; // Don't use block 0
- device.endBlock = YAFFS_END;
-#else
- device.startBlock = 1; // Don't use block 0
- device.endBlock = nBlocks;
-#endif
-
- device.nShortOpCaches = 10;
-
-
- yaffs_GutsInitialise(&device);
-
- // yaffs_GutsTest();
-
- TestTimeBackgroundDeleteFocussed(&device);
-
- printf("Cache hits %d\n",device.cacheHits);
- printf("Retired blocks %d\n",device.nRetiredBlocks);
-
- printf("Deletions %d\n",device.nDeletions);
- printf("Unmarked deletions %d\n",device.nUnmarkedDeletions);
-
- exit(0);
-}
projects / yaffs / .git / commitdiff