OPENCORES.ORG

From: cvs at opencores.org<cvs@o...>
Date: Thu Jun 7 16:37:28 CEST 2007
Subject: [cvs-checkins] MODIFIED: jop ...

Date: 00/07/06 07:16:37

Added: jop/java/pc/src/yaffs2/platform/emulation DebugConfiguration.java PortConfiguration.java yaffscfg2k_C.java Log: Java port of YAFFS, a NAND flash file system. Under development. Revision Changes Path 1.1 jop/java/pc/src/yaffs2/platform/emulation/DebugConfiguration.java http://www.opencores.org/cvsweb.shtml/jop/java/pc/src/yaffs2/platform/emulation/DebugConfiguration.java?rev=1.1&content-type=text/x-cvsweb-markup Index: DebugConfiguration.java =================================================================== package yaffs2.platform.emulation; public class DebugConfiguration implements yaffs2.utils.DebugConfiguration { public int __LINE__() { return new Exception().getStackTrace()[2].getLineNumber(); } public String __FILE__() { return new Exception().getStackTrace()[2].getFileName(); } } 1.1 jop/java/pc/src/yaffs2/platform/emulation/PortConfiguration.java http://www.opencores.org/cvsweb.shtml/jop/java/pc/src/yaffs2/platform/emulation/PortConfiguration.java?rev=1.1&content-type=text/x-cvsweb-markup Index: PortConfiguration.java =================================================================== package yaffs2.platform.emulation; import static yaffs2.port.ydirectenv.TENDSTR; import static yaffs2.port.ydirectenv.TSTR; import static yaffs2.port.yportenv.*; import static yaffs2.utils.Utils.__FILE__; import static yaffs2.utils.Utils.__LINE__; public class PortConfiguration implements yaffs2.utils.PortConfiguration { public void YBUG() { ////T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__)) T(YAFFS_TRACE_BUG,TSTR("==>> yaffs bug: " + __FILE__() + " %d" + TENDSTR),__LINE__()); } } 1.1 jop/java/pc/src/yaffs2/platform/emulation/yaffscfg2k_C.java http://www.opencores.org/cvsweb.shtml/jop/java/pc/src/yaffs2/platform/emulation/yaffscfg2k_C.java?rev=1.1&content-type=text/x-cvsweb-markup Index: yaffscfg2k_C.java =================================================================== package yaffs2.platform.emulation; import yaffs2.port.*; import yaffs2.utils.UnexpectedException; import static yaffs2.port.yportenv.*; import static yaffs2.utils.emulation.Utils.*; public class yaffscfg2k_C implements yaffs2.port.yaffscfg2k_C { /* * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning <charles@a...> * * 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. */ /* * yaffscfg2k.c The configuration for the "direct" use of yaffs. * * This file is intended to be modified to your requirements. * There is no need to redistribute this file. */ // #include "yaffscfg.h" // #include "yaffsfs.h" // #include "yaffs_fileem2k.h" // #include "yaffs_nandemul2k.h" // #include <errno.h> public /*unsigned*/ int yaffs_traceMask() { return YAFFS_TRACE_SCAN | YAFFS_TRACE_GC | YAFFS_TRACE_GC_DETAIL | YAFFS_TRACE_WRITE | YAFFS_TRACE_ERASE | YAFFS_TRACE_TRACING | YAFFS_TRACE_ALLOCATE | YAFFS_TRACE_CHECKPOINT | YAFFS_TRACE_BAD_BLOCKS | // PORT user configured XXX why not included by default? YAFFS_TRACE_ALWAYS | (~0) | // XXX 0; } public void yaffsfs_SetError(int err) { if (err != 0) { //Do whatever to set error System.out.println("Error number " + err + "!"); new UnexpectedException().printStackTrace(); // new Exception().getStackTrace()[1].getClassName() + ":" + // new Exception().getStackTrace()[1].getMethodName() + ":" + // new Exception().getStackTrace()[1].getLineNumber()); } // errno = err; } public void yaffsfs_Lock() { } public void yaffsfs_Unlock() { } public /*__u32*/ int yaffsfs_CurrentTime() { return 0; } public void yaffsfs_LocalInitialisation() { // Define locking semaphore. } // Configuration for: // /ram 2MB ramdisk // /boot 2MB boot disk (flash) // /flash 14MB flash disk (flash) // NB Though /boot and /flash occupy the same physical device they // are still disticnt "yaffs_Devices. You may think of these as "partitions" // using non-overlapping areas in the same device. // #include "yaffs_ramdisk.h" // #include "yaffs_flashif.h" // #include "yaffs_nandemul2k.h" public static yaffs_Device ramDev = new yaffs_Device(); public static yaffs_Device bootDev = new yaffs_Device(); public static yaffs_Device flashDev = new yaffs_Device(); public static yaffs_Device ram2kDev = new yaffs_Device(); public yaffsfs_DeviceConfiguration[] yaffsfs_config() { // #if 0 // { "/ram", &ramDev}, // { "/boot", &bootDev}, // { "/flash/", &flashDev}, // { "/ram2k", &ram2kDev}, // {(void *)0,(void *)0} // #else return new yaffsfs_DeviceConfiguration[] { new yaffsfs_DeviceConfiguration(StringToByteArray("/"), 0, ramDev), // XXX bad style for demo new yaffsfs_DeviceConfiguration(StringToByteArray("/flash/boot"), 0, bootDev), new yaffsfs_DeviceConfiguration(StringToByteArray("/flash/flash"), 0, flashDev), new yaffsfs_DeviceConfiguration(StringToByteArray("/ram2k"), 0, ram2kDev), new yaffsfs_DeviceConfiguration(null, 0, null) /* Null entry to terminate list */ }; // #endif }; public int yaffs_StartUp() { // Stuff to configure YAFFS // Stuff to initialise anything special (eg lock semaphore). yaffsfs_LocalInitialisation(); // Set up devices // /ram // memset(ramDev/*,0,sizeof(ramDev)*/); ramDev.nDataBytesPerChunk = 512; ramDev.nChunksPerBlock = 32; ramDev.nReservedBlocks = 2; // Set this smaller for RAM ramDev.startBlock = 0; // Can use block 0 ramDev.endBlock = 127; // Last block in 2MB. //ramDev.useNANDECC = 1; ramDev.nShortOpCaches = 0; // Disable caching on this device. ramDev.genericDevice = /*(void *)*/ 0; // Used to identify the device in fstat. // ramDev.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND; // ramDev.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND; // ramDev.eraseBlockInNAND = yramdisk_EraseBlockInNAND; // ramDev.initialiseNAND = yramdisk_InitialiseNAND; ramDev.writeChunkWithTagsToNAND = yaffs2.port.yaffs_ramdisk_C.instance; ramDev.readChunkWithTagsFromNAND = yaffs2.port.yaffs_ramdisk_C.instance; ramDev.eraseBlockInNAND = yaffs2.port.yaffs_ramdisk_C.instance; ramDev.initialiseNAND = yaffs2.port.yaffs_ramdisk_C.instance; // /boot // memset(bootDev); bootDev.nDataBytesPerChunk = 512; bootDev.nChunksPerBlock = 32; bootDev.nReservedBlocks = 5; bootDev.startBlock = 0; // Can use block 0 bootDev.endBlock = 63; // Last block //bootDev.useNANDECC = 0; // use YAFFS's ECC bootDev.nShortOpCaches = 10; // Use caches bootDev.genericDevice = /*(void *)*/ 1; // Used to identify the device in fstat. // bootDev.writeChunkWithTagsToNAND = yflash_WriteChunkWithTagsToNAND; // bootDev.readChunkWithTagsFromNAND = yflash_ReadChunkWithTagsFromNAND; // bootDev.eraseBlockInNAND = yflash_EraseBlockInNAND; // bootDev.initialiseNAND = yflash_InitialiseNAND; // bootDev.markNANDBlockBad = yflash_MarkNANDBlockBad; // bootDev.queryNANDBlock = yflash_QueryNANDBlock; bootDev.writeChunkWithTagsToNAND = yaffs2.port.yaffs_fileem2k_C.instance; bootDev.readChunkWithTagsFromNAND = yaffs2.port.yaffs_fileem2k_C.instance; bootDev.eraseBlockInNAND = yaffs2.port.yaffs_fileem2k_C.instance; bootDev.initialiseNAND = yaffs2.port.yaffs_fileem2k_C.instance; bootDev.markNANDBlockBad = yaffs2.port.yaffs_fileem2k_C.instance; bootDev.queryNANDBlock = yaffs2.port.yaffs_fileem2k_C.instance; // XXX implement and uncomment // // /flash // // Set this puppy up to use // // the file emulation space as // // 2kpage/64chunk per block/128MB device //// memset(flashDev); // flashDev.nDataBytesPerChunk = 2048; // flashDev.nChunksPerBlock = 64; // flashDev.nReservedBlocks = 5; // flashDev.nCheckpointReservedBlocks = 5; // //flashDev.checkpointStartBlock = 1; // //flashDev.checkpointEndBlock = 20; // flashDev.startBlock = 0; // flashDev.endBlock = 200; // Make it smaller // //flashDev.endBlock = yflash_GetNumberOfBlocks()-1; // flashDev.isYaffs2 = true; // flashDev.wideTnodesDisabled=false; // flashDev.nShortOpCaches = 10; // Use caches // flashDev.genericDevice = /*(void *)*/ 2; // Used to identify the device in fstat. // flashDev.writeChunkWithTagsToNAND = yflash_WriteChunkWithTagsToNAND; // flashDev.readChunkWithTagsFromNAND = yflash_ReadChunkWithTagsFromNAND; // flashDev.eraseBlockInNAND = yflash_EraseBlockInNAND; // flashDev.initialiseNAND = yflash_InitialiseNAND; // flashDev.markNANDBlockBad = yflash_MarkNANDBlockBad; // flashDev.queryNANDBlock = yflash_QueryNANDBlock; // // /ram2k // // Set this puppy up to use // // the file emulation space as // // 2kpage/64chunk per block/128MB device //// memset(ram2kDev); // ram2kDev.nDataBytesPerChunk = nandemul2k_GetBytesPerChunk(); // ram2kDev.nChunksPerBlock = nandemul2k_GetChunksPerBlock(); // ram2kDev.nReservedBlocks = 5; // ram2kDev.startBlock = 0; // First block after /boot // //ram2kDev.endBlock = 127; // Last block in 16MB // ram2kDev.endBlock = nandemul2k_GetNumberOfBlocks() - 1; // Last block in 512MB // ram2kDev.isYaffs2 = true; // ram2kDev.nShortOpCaches = 10; // Use caches // ram2kDev.genericDevice = /*(void *)*/ 3; // Used to identify the device in fstat. // ram2kDev.writeChunkWithTagsToNAND = nandemul2k_WriteChunkWithTagsToNAND; // ram2kDev.readChunkWithTagsFromNAND = nandemul2k_ReadChunkWithTagsFromNAND; // ram2kDev.eraseBlockInNAND = nandemul2k_EraseBlockInNAND; // ram2kDev.initialiseNAND = nandemul2k_InitialiseNAND; // ram2kDev.markNANDBlockBad = nandemul2k_MarkNANDBlockBad; // ram2kDev.queryNANDBlock = nandemul2k_QueryNANDBlock; yaffs2.port.yaffsfs_C.yaffs_initialise(yaffsfs_config()); return 0; } public void SetCheckpointReservedBlocks(int n) { flashDev.nCheckpointReservedBlocks = n; } }