X-Git-Url: https://yaffs.net/gitweb/?a=blobdiff_plain;f=direct%2Fu-boot%2Ffs%2Fyaffs2%2Fyaffscfg.c;fp=direct%2Fu-boot%2Ffs%2Fyaffs2%2Fyaffscfg.c;h=49bd596329fad849067f5b677e88240d8a5b7e6d;hb=80f85303d264f804ea288e1995280345804ec01c;hp=0000000000000000000000000000000000000000;hpb=95ff7ef3e08cf76d07b08cce3470d4840b27a8ea;p=yaffs2.git diff --git a/direct/u-boot/fs/yaffs2/yaffscfg.c b/direct/u-boot/fs/yaffs2/yaffscfg.c new file mode 100644 index 0000000..49bd596 --- /dev/null +++ b/direct/u-boot/fs/yaffs2/yaffscfg.c @@ -0,0 +1,324 @@ +/* + * 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 + * + * 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. + */ + +/* + * yaffscfg.c The configuration for the "direct" use of yaffs. + * + * This is set up for u-boot. + * + * This version now uses the ydevconfig mechanism to set up partitions. + */ + +#include + +#include +#include "nand.h" +#include "yaffscfg.h" +#include "yaffsfs.h" +#include "yaffs_packedtags2.h" +#include "yaffs_mtdif.h" +#include "yaffs_mtdif2.h" +#if 0 +#include +#else +#include "malloc.h" +#endif + +unsigned yaffs_trace_mask = 0x0; /* Disable logging */ +static int yaffs_errno = 0; + + + +void *yaffsfs_malloc(size_t x) +{ + return malloc(x); +} + +void yaffsfs_free(void *x) +{ + free(x); +} + +void yaffsfs_SetError(int err) +{ + //Do whatever to set error + yaffs_errno = err; +} + +int yaffsfs_GetLastError(void) +{ + return yaffs_errno; +} + + +int yaffsfs_GetError(void) +{ + return yaffs_errno; +} + +void yaffsfs_Lock(void) +{ +} + +void yaffsfs_Unlock(void) +{ +} + +__u32 yaffsfs_CurrentTime(void) +{ + return 0; +} + +void *yaffs_malloc(size_t size) +{ + return malloc(size); +} + +void yaffs_free(void *ptr) +{ + free(ptr); +} + +void yaffsfs_LocalInitialisation(void) +{ + // Define locking semaphore. +} + +extern nand_info_t nand_info[]; + + +void cmd_yaffs_devconfig(char *_mp, int flash_dev, int start_block, int end_block) +{ + struct mtd_info *mtd = NULL; + struct yaffs_dev *dev; + char *mp; + + dev = calloc(1, sizeof(*dev)); + mp = strdup(_mp); + + mtd = &nand_info[flash_dev]; + if(!dev || !mp) { + /* Alloc error */ + return; + } + + if(end_block < start_block) + end_block = mtd->size / mtd->erasesize; + + memset(dev, 0, sizeof(*dev)); + dev->param.name = mp; + dev->driver_context = mtd; + dev->param.start_block = start_block; + dev->param.end_block = end_block; + dev->param.chunks_per_block = mtd->erasesize / mtd->writesize; + dev->param.total_bytes_per_chunk = mtd->writesize; + dev->param.is_yaffs2 = 1; + dev->param.use_nand_ecc = 1; + dev->param.n_reserved_blocks = 5; + dev->param.inband_tags = 0; + dev->param.n_caches = 10; + dev->param.write_chunk_tags_fn = nandmtd2_WriteChunkWithTagsToNAND; + dev->param.read_chunk_tags_fn = nandmtd2_ReadChunkWithTagsFromNAND; + dev->param.erase_fn = nandmtd_EraseBlockInNAND; + dev->param.initialise_flash_fn = nandmtd_InitialiseNAND; + dev->param.bad_block_fn = nandmtd2_MarkNANDBlockBad; + dev->param.query_block_fn = nandmtd2_QueryNANDBlock; + + yaffs_add_device(dev); +} + + + +void make_a_file(char *yaffsName,char bval,int sizeOfFile) +{ + int outh; + int i; + unsigned char buffer[100]; + + outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE); + if (outh < 0) + { + printf("Error opening file: %d\n", outh); + return; + } + + memset(buffer,bval,100); + + do{ + i = sizeOfFile; + if(i > 100) i = 100; + sizeOfFile -= i; + + yaffs_write(outh,buffer,i); + + } while (sizeOfFile > 0); + + + yaffs_close(outh); +} + +void read_a_file(char *fn) +{ + int h; + int i = 0; + unsigned char b; + + h = yaffs_open(fn, O_RDWR,0); + if(h<0) + { + printf("File not found\n"); + return; + } + + while(yaffs_read(h,&b,1)> 0) + { + printf("%02x ",b); + i++; + if(i > 32) + { + printf("\n"); + i = 0;; + } + } + printf("\n"); + yaffs_close(h); +} + +void cmd_yaffs_mount(char *mp) +{ + int retval = yaffs_mount(mp); + if( retval < 0) + printf("Error mounting %s, return value: %d\n", mp, yaffsfs_GetError()); +} + + +void cmd_yaffs_umount(char *mp) +{ + if( yaffs_unmount(mp) == -1) + printf("Error umounting %s, return value: %d\n", mp, yaffsfs_GetError()); +} + +void cmd_yaffs_write_file(char *yaffsName,char bval,int sizeOfFile) +{ + make_a_file(yaffsName,bval,sizeOfFile); +} + + +void cmd_yaffs_read_file(char *fn) +{ + read_a_file(fn); +} + + +void cmd_yaffs_mread_file(char *fn, char *addr) +{ + int h; + struct yaffs_stat s; + + yaffs_stat(fn,&s); + + printf ("Copy %s to 0x%p... ", fn, addr); + h = yaffs_open(fn, O_RDWR,0); + if(h<0) + { + printf("File not found\n"); + return; + } + + yaffs_read(h,addr,(int)s.st_size); + printf("\t[DONE]\n"); + + yaffs_close(h); +} + + +void cmd_yaffs_mwrite_file(char *fn, char *addr, int size) +{ + int outh; + + outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE); + if (outh < 0) + { + printf("Error opening file: %d\n", outh); + } + + yaffs_write(outh,addr,size); + + yaffs_close(outh); +} + + +void cmd_yaffs_ls(const char *mountpt, int longlist) +{ + int i; + yaffs_DIR *d; + yaffs_dirent *de; + struct yaffs_stat stat; + char tempstr[255]; + + d = yaffs_opendir(mountpt); + + if(!d) + { + printf("opendir failed\n"); + } + else + { + for(i = 0; (de = yaffs_readdir(d)) != NULL; i++) + { + if (longlist) + { + sprintf(tempstr, "%s/%s", mountpt, de->d_name); + yaffs_stat(tempstr, &stat); + printf("%-25s\t%7ld\n",de->d_name, stat.st_size); + } + else + { + printf("%s\n",de->d_name); + } + } + } +} + + +void cmd_yaffs_mkdir(const char *dir) +{ + int retval = yaffs_mkdir(dir, 0); + + if ( retval < 0) + printf("yaffs_mkdir returning error: %d\n", retval); +} + +void cmd_yaffs_rmdir(const char *dir) +{ + int retval = yaffs_rmdir(dir); + + if ( retval < 0) + printf("yaffs_rmdir returning error: %d\n", retval); +} + +void cmd_yaffs_rm(const char *path) +{ + int retval = yaffs_unlink(path); + + if ( retval < 0) + printf("yaffs_unlink returning error: %d\n", retval); +} + +void cmd_yaffs_mv(const char *oldPath, const char *newPath) +{ + int retval = yaffs_rename(newPath, oldPath); + + if ( retval < 0) + printf("yaffs_unlink returning error: %d\n", retval); +}