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comparison packages/fs/yaffs/current/src/ecos-yaffs.c @ 357:9f250509e64c

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Tweaks to allow GPL YAFFS to work with eCosPro
author Ross Younger <wry@ecoscentric.com>
date Tue, 01 Dec 2009 17:34:28 +0000
parents 531f5810eaf7
children
comparison
equal deleted inserted replaced
356:531f5810eaf7 357:9f250509e64c
525 525
526 // Option handling. Defaults come from CDL. 526 // Option handling. Defaults come from CDL.
527 int o_nReserved = CYGNUM_FS_YAFFS_RESERVED_BLOCKS; 527 int o_nReserved = CYGNUM_FS_YAFFS_RESERVED_BLOCKS;
528 int o_nShortOpCaches = CYGNUM_FS_YAFFS_SHORTOP_CACHES; 528 int o_nShortOpCaches = CYGNUM_FS_YAFFS_SHORTOP_CACHES;
529 int o_skipCheckpointRead = 0; 529 int o_skipCheckpointRead = 0;
530 // (eCosPro can change these at mount time.) 530
531 531 #if defined(CYGSEM_FS_YAFFS_COMPATIBILITY_ECOSPRO) && (CYGSEM_FS_YAFFS_COMPATIBILITY_ECOSPRO == 1)
532 #if 0 // Applicable only to eCosPro
533 if (mte->options) { 532 if (mte->options) {
534 int t; 533 int t;
535 char buf[10]; 534 char buf[10];
536 // reserved=<int>: Number of blocks to reserve (minimum 2) 535 // reserved=<int>: Number of blocks to reserve (minimum 2)
537 if (0==cyg_fs_get_option(mte->options, "reserved", buf, sizeof buf)) { 536 if (0==cyg_fs_get_option(mte->options, "reserved", buf, sizeof buf)) {
564 struct mallinfo mi = mallinfo(); 563 struct mallinfo mi = mallinfo();
565 unsigned want = ( 1 << (nand->block_page_bits + 1) ) * (1 + part->last - part->first); 564 unsigned want = ( 1 << (nand->block_page_bits + 1) ) * (1 + part->last - part->first);
566 if ( mi.fordblks < want) { 565 if ( mi.fordblks < want) {
567 TOUT(("eyaffs_mount: warning: arena reports %u bytes free; %u recommended for this device\n", mi.fordblks, want)); 566 TOUT(("eyaffs_mount: warning: arena reports %u bytes free; %u recommended for this device\n", mi.fordblks, want));
568 } 567 }
569 568 #endif // CYGSEM_FS_YAFFS_COMPATIBILITY
570 #endif
571 569
572 yaffs_Device *y = YMALLOC(sizeof(yaffs_Device)); // ^^^^^^^^^^^^^^^^ 570 yaffs_Device *y = YMALLOC(sizeof(yaffs_Device)); // ^^^^^^^^^^^^^^^^
573 if (!y) EG(ENOMEM); 571 if (!y) EG(ENOMEM);
574 memset(y, 0, sizeof(yaffs_Device)); 572 memset(y, 0, sizeof(yaffs_Device));
575 y->name = mte->devname; 573 y->name = mte->devname;
651 err_exit: 649 err_exit:
652 if (y) YFREE(y); 650 if (y) YFREE(y);
653 return _err; 651 return _err;
654 } 652 }
655 653
654 #if defined(CYGSEM_FS_YAFFS_COMPATIBILITY_ECOSPRO) && (CYGSEM_FS_YAFFS_COMPATIBILITY_ECOSPRO == 1)
655 static int eyaffs_umount ( cyg_mtab_entry *mte, cyg_bool force )
656 #else
656 static int eyaffs_umount ( cyg_mtab_entry *mte ) 657 static int eyaffs_umount ( cyg_mtab_entry *mte )
658 #endif
657 { 659 {
658 yaffs_Device *y = (yaffs_Device*) mte->data; 660 yaffs_Device *y = (yaffs_Device*) mte->data;
659 661
660 yaffs_FlushEntireDeviceCache(y); 662 yaffs_FlushEntireDeviceCache(y);
661 yaffs_CheckpointSave(y); 663 yaffs_CheckpointSave(y);
974 (void)y; 976 (void)y;
975 #endif 977 #endif
976 978
977 case FS_INFO_GETCWD: 979 case FS_INFO_GETCWD:
978 // yaffs doesn't provide anything special, we'd only end up duplicating the fallback ".." method. 980 // yaffs doesn't provide anything special, we'd only end up duplicating the fallback ".." method.
979 default: // others not supported 981 case FS_INFO_ATTRIB: // not supported
982 #ifdef FS_INFO_CALLBACK
983 case FS_INFO_CALLBACK: // not supported
984 #endif
985 default:
980 return ENOSYS; 986 return ENOSYS;
981 } 987 }
982 988
983 init_dirsearch(&ds, (yaffs_Object*) dir, name); 989 init_dirsearch(&ds, (yaffs_Object*) dir, name);
984 _err = eyaffs_find(&ds); 990 _err = eyaffs_find(&ds);
987 switch(key) { 993 switch(key) {
988 case FS_INFO_CONF: 994 case FS_INFO_CONF:
989 if (len < sizeof (struct cyg_pathconf_info)) return EINVAL; 995 if (len < sizeof (struct cyg_pathconf_info)) return EINVAL;
990 return eyaffs_pathconf(ds.node, (struct cyg_pathconf_info *) buf); 996 return eyaffs_pathconf(ds.node, (struct cyg_pathconf_info *) buf);
991 997
998 #ifdef FS_INFO_MBCS_TRANSLATE
999 case FS_INFO_MBCS_TRANSLATE:
1000 #endif
992 default: 1001 default:
993 return ENOSYS; 1002 return ENOSYS;
994 } 1003 }
995 } 1004 }
996 1005
1008 int key, void *buf, int len ) 1017 int key, void *buf, int len )
1009 { 1018 {
1010 switch (key) { 1019 switch (key) {
1011 case FS_INFO_SYNC: 1020 case FS_INFO_SYNC:
1012 return eyaffs_do_sync_fs( (yaffs_Device*) mte->data ); 1021 return eyaffs_do_sync_fs( (yaffs_Device*) mte->data );
1022 case FS_INFO_ATTRIB: // not supported
1023 #ifdef FS_INFO_CALLBACK
1024 case FS_INFO_CALLBACK: // not supported
1025 #endif
1026 #ifdef FS_INFO_SECURE_ERASE
1027 case FS_INFO_SECURE_ERASE:
1028 #endif
1029 #ifdef FS_INFO_MBCS_TRANSLATE
1030 case FS_INFO_MBCS_TRANSLATE:
1031 #endif
1032 return ENOSYS;
1013 } 1033 }
1014 return EINVAL; 1034 return EINVAL;
1015 } 1035 }
1016 1036
1017 FSTAB_ENTRY(eyaffs_fste, "yaffs", 0, CYG_SYNCMODE_FILE_FILESYSTEM|CYG_SYNCMODE_IO_FILESYSTEM, 1037 FSTAB_ENTRY(eyaffs_fste, "yaffs", 0, CYG_SYNCMODE_FILE_FILESYSTEM|CYG_SYNCMODE_IO_FILESYSTEM,
1038 /* N.B. If you get a build failure here (initialization
1039 from incompatible pointer type), it might be because you're
1040 using this GPL-licensed package on eCosPro and need to set
1041 CYGSEM_FS_YAFFS_COMPATIBILITY_ECOSPRO.
1042 */
1018 eyaffs_mount, 1043 eyaffs_mount,
1019 eyaffs_umount, 1044 eyaffs_umount,
1020 eyaffs_open, 1045 eyaffs_open,
1021 eyaffs_unlink, 1046 eyaffs_unlink,
1022 eyaffs_mkdir, 1047 eyaffs_mkdir,