/* adapted from dos.h in the mach dos emulator for the linux dosemu dos emulator. Andrew.Tridgell@anu.edu.au 30th March 1993 */ /* ### Added by DH ### */ #ifndef DOSEMU # define DOSEMU #endif #include /* for SEEK_END */ /* ### End of addition ### */ #ifdef DOSEMU /* definitions to make mach emu code compatible with dosemu */ /* ### Commented out by DH ### * #include "emu.h" */ #ifndef SOLARIS typedef unsigned char boolean_t; #endif /* ### Commented out by DH ### * #define d_namlen d_reclen */ #ifndef MAX_DRIVE #define MAX_DRIVE 26 #endif #define USE_DF_AND_AFS_STUFF /* ### Commented out by DH ### * #define VOLUMELABEL "Linux" * #define LINUX_RESOURCE "\\\\LINUX\\FS" */ /* ### Added by DH ### */ #include "mfs_link.h" extern char *sys_errlist[]; #if !defined(__hpux) && !defined(SOLARIS) && !defined(SGI) && !defined(RS6000) && !defined(AMIGA) #define strerror(x) sys_errlist[x] #endif #ifdef RS6000 #define strerror(x) mstrerror(x) #endif #define VOLUMELABEL "PCEmu" #define LINUX_RESOURCE "\\\\PCEMU\\FS" #define Write2Bytes(d,x) (*(UBYTE *)(d) = (x) & 0xff, \ *((UBYTE *)(d)+1) = ((x) >> 8) & 0xff) #define Write4Bytes(d,x) (*(UBYTE *)(d) = (x) & 0xff, \ *((UBYTE *)(d)+1) = ((x) >> 8) & 0xff, \ *((UBYTE *)(d)+2) = ((x) >> 16) & 0xff, \ *((UBYTE *)(d)+3) = ((x) >> 24) & 0xff) #define Read2Bytes(t,x) (t)(*(UBYTE *)(x) + (*((UBYTE *)(x) + 1) << 8)) #define Read4Bytes(t,x) (t)(*(UBYTE *)(x) + ((u_long)*((UBYTE *)(x) + 1) << 8) + \ ((u_long)*((UBYTE *)(x) + 2) << 16) + \ ((u_long)*((UBYTE *)(x) + 3) << 24)) /* ### End of addition ### */ /* ### Added by DH ### */ #ifndef FALSE #define FALSE 0 #endif #ifndef TRUE #define TRUE 1 #endif /* ### End of addition ### */ /* ### Commented out by DH * #define FALSE 0 * #define TRUE 1 */ #define UNCHANGED 2 #define REDIRECT 3 #define us_debug_level 10 #define Debug_Level_0 0 #define dbg_fd stderr /* Some compilers cannot handle variable argument #defines #define d_Stub(arg1, s, a...) d_printf("MFS: "s, ##a) #define Debug0(args) d_Stub args #define Debug1(args) d_Stub args */ #define Debug0(args) #define Debug1(args) typedef struct vm86_regs state_t; #define uesp esp /* ### Added '(&memory[ ... ])' to line below ### */ #define Addr_8086(x,y) (&memory[(( ((x) & 0xffff) << 4) + ((y) & 0xffff))]) #define Addr(s,x,y) Addr_8086(((s)->x), ((s)->y)) #define MASK8(x) ((x) & 0xff) #define MASK16(x) ((x) & 0xffff) #define HIGH(x) MASK8((unsigned long)(x) >> 8) #define LOW(x) MASK8((unsigned long)(x)) #undef UWORD #define UWORD(x) MASK16((unsigned long)(x)) #define SETHIGH(x,y) (*(x) = (*(x) & ~0xff00) | ((MASK8(y))<<8)) #define SETLOW(x,y) (*(x) = (*(x) & ~0xff) | (MASK8(y))) #define SETWORD(x,y) (*(x) = (*(x) & ~0xffff) | (MASK16(y))) #endif /* * Copyright (c) 1991 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* * * Purpose: * V86 DOS disk emulation header file * * HISTORY: * $Log: mfs.h,v $ * Revision 1.6 1994/01/25 20:02:44 root * Exchange stderr <-> stdout. * * Revision 1.5 1994/01/20 21:14:24 root * Indent. * * Revision 1.4 1994/01/19 17:51:14 root * Added CDS_FLAG_NOTNET = 0x80 for mfs.c * * Revision 1.3 1993/12/22 11:45:36 root * Fixes for ftruncate * * Revision 1.2 1993/11/17 22:29:33 root * *** empty log message *** * * Revision 1.1 1993/11/12 12:32:17 root * Initial revision * * Revision 1.1 1993/07/07 00:49:06 root * Initial revision * * Revision 1.3 1993/05/04 05:29:22 root * added console switching, new parse commands, and serial emulation * * Revision 1.2 1993/04/07 21:04:26 root * big move * * Revision 1.1 1993/04/05 17:25:13 root * Initial revision * * Revision 2.3 91/12/06 15:29:23 grm * Redefined sda_cur_psp, and added psp_parent_psp. The * psp_parent_psp was used to find out what the psp of the parent of * the command.com program was. It seems that it is undefined. * [91/12/06 grm] * * Revision 2.2 91/12/05 16:42:08 grm * Added sft_rel and _abs_cluster macros. Used to debug the * MS-Write network drive problem. * [91/12/04 grm] * Added constants for Dos 4+ * [91/07/16 17:47:20 grm] * * Changed to allow for usage with Dos v4.01 and 5.00. * [91/06/28 18:53:42 grm] * * New Copyright * [91/05/28 15:12:28 grm] * * Added structures for the dos_general routines. * [91/04/30 13:43:58 grm] * * Structures and macros for the dos_fs.c * network redirector interface. * [91/04/30 13:36:42 grm] * * Name changed from dos_general.h to dos.h. * Added external declarations for dos_foo.c files. * [91/03/01 14:40:55 grm] * * Type works. Interrim changes. * [91/02/11 18:22:47 grm] * * Fancy dir. * [91/02/06 16:59:01 grm] * * Created. * [91/02/06 14:29:39 grm] * */ #include /* * Dos error codes */ /* MS-DOS version 2 error codes */ #define FUNC_NUM_IVALID 0x01 #define FILE_NOT_FOUND 0x02 #define PATH_NOT_FOUND 0x03 #define TOO_MANY_OPEN_FILES 0x04 #define ACCESS_DENIED 0x05 #define HANDLE_INVALID 0x06 #define MEM_CB_DEST 0x07 #define INSUF_MEM 0x08 #define MEM_BLK_ADDR_IVALID 0x09 #define ENV_INVALID 0x0a #define FORMAT_INVALID 0x0b #define ACCESS_CODE_INVALID 0x0c #define DATA_INVALID 0x0d #define UNKNOWN_UNIT 0x0e #define DISK_DRIVE_INVALID 0x0f #define ATT_REM_CUR_DIR 0x10 #define NOT_SAME_DEV 0x11 #define NO_MORE_FILES 0x12 /* mappings to critical-error codes */ #define WRITE_PROT_DISK 0x13 #define UNKNOWN_UNIT_CERR 0x14 #define DRIVE_NOT_READY 0x15 #define UNKNOWN_COMMAND 0x16 #define DATA_ERROR_CRC 0x17 #define BAD_REQ_STRUCT_LEN 0x18 #define SEEK_ERROR 0x19 #define UNKNOWN_MEDIA_TYPE 0x1a #define SECTOR_NOT_FOUND 0x1b #define PRINTER_OUT_OF_PAPER 0x1c #define WRITE_FAULT 0x1d #define READ_FAULT 0x1e #define GENERAL_FAILURE 0x1f /* MS-DOS version 3 and later extended error codes */ #define SHARING_VIOLATION 0x20 #define FILE_LOCK_VIOLATION 0x21 #define DISK_CHANGE_INVALID 0x22 #define FCB_UNAVAILABLE 0x23 #define SHARING_BUF_EXCEEDED 0x24 #define NETWORK_NAME_NOT_FOUND 0x35 #define FILE_ALREADY_EXISTS 0x50 #define DUPLICATE_REDIR 0x55 struct dir_ent { char name[8]; /* dos name and ext */ char ext[3]; u_short mode; /* unix st_mode value */ long size; /* size of file */ time_t time; /* st_mtime */ struct dir_ent *next; }; struct dos_name { char name[8]; char ext[3]; }; typedef struct far_record { u_short offset; u_short segment; } far_t; #define DOSVER_31_33 1 #define DOSVER_41 2 #define DOSVER_50 3 #define DOSVER_60 4 typedef u_char *sdb_t; /* ### Changed all *(u_short *)... to Read2Bytes(u_short,...) ### */ /* ### Changed all *(u_long *)... to Read4Bytes(u_long,...) ### */ #define sdb_drive_letter(sdb) (*(u_char *)&sdb[sdb_drive_letter_off]) #define sdb_template_name(sdb) ((char *)&sdb[sdb_template_name_off]) #define sdb_template_ext(sdb) ((char *)&sdb[sdb_template_ext_off]) #define sdb_attribute(sdb) (*(u_char *)&sdb[sdb_attribute_off]) /* ### Split next definition into read (..._r) and write (..._w) ### */ #define sdb_dir_entry_r(sdb) (Read2Bytes(u_short,&sdb[sdb_dir_entry_off])) #define sdb_dir_entry_w(sdb,x) (Write2Bytes(&sdb[sdb_dir_entry_off], x)) #define sdb_p_cluster(sdb) (Read2Bytes(u_short,&sdb[sdb_p_cluster_off])) #define sdb_file_name(sdb) ((char *)&sdb[sdb_file_name_off]) #define sdb_file_ext(sdb) ((char *)&sdb[sdb_file_ext_off]) #define sdb_file_attr(sdb) (*(u_char *)&sdb[sdb_file_attr_off]) #define sdb_file_time(sdb) (*(u_short *)&sdb[sdb_file_time_off]) #define sdb_file_date(sdb) (*(u_short *)&sdb[sdb_file_date_off]) #define sdb_file_st_cluster(sdb)(Read2Bytes(u_short,&sdb[sdb_file_st_cluster_off])) #define sdb_file_size(sdb,x) (Write4Bytes(&sdb[sdb_file_size_off],x)) typedef u_char *sft_t; /* ### Split next definition into read (..._r) and write (..._w) ### */ #define sft_handle_cnt_r(sft) (Read2Bytes(u_short,&sft[sft_handle_cnt_off])) #define sft_handle_cnt_w(sft,x) (Write2Bytes(&sft[sft_handle_cnt_off], x)) /* ### Split next definition into read (..._r) and write (..._w) ### */ #define sft_open_mode_r(sft) (Read2Bytes(u_short,&sft[sft_open_mode_off])) #define sft_open_mode_w(sft,x) (Write2Bytes(&sft[sft_open_mode_off],x)) #define sft_attribute_byte(sft) (*(u_char *)&sft[sft_attribute_byte_off]) /* ### Split next definition into read (..._r) and write (..._w) ### */ #define sft_device_info_r(sft) (Read2Bytes(u_short,&sft[sft_device_info_off])) #define sft_device_info_w(sft,x) (Write2Bytes(&sft[sft_device_info_off], x)) #define sft_dev_drive_ptr(sft,x) (Write4Bytes(&sft[sft_dev_drive_ptr_off], x)) #define sft_start_cluster(sft) (Read2Bytes(u_short,&sft[sft_start_cluster_off])) #define sft_time(sft) (*(u_short *)&sft[sft_time_off]) #define sft_date(sft) (*(u_short *)&sft[sft_date_off]) /* ### Split next definition into read (..._r) and write (..._w) ### */ #define sft_size_r(sft) (Read4Bytes(u_long,&sft[sft_size_off])) #define sft_size_w(sft, x) (Write4Bytes(&sft[sft_size_off], x)) /* ### Split next definition into read (..._r) and write (..._w) ### */ #define sft_position_r(sft) (Read4Bytes(u_long,&sft[sft_position_off])) #define sft_position_w(sft,x) (Write4Bytes(&sft[sft_position_off],x)) #define sft_rel_cluster(sft) (Read2Bytes(u_short,&sft[sft_rel_cluster_off])) #define sft_abs_cluster(sft,x) (Write2Bytes(&sft[sft_abs_cluster_off], x)) #define sft_directory_sector(sft,x) (Write2Bytes(&sft[sft_directory_sector_off],x)) #define sft_directory_entry(sft) (*(u_char *)&sft[sft_directory_entry_off]) #define sft_name(sft) ( (char *)&sft[sft_name_off]) #define sft_ext(sft) ( (char *)&sft[sft_ext_off]) /* ### Split next definition into read (..._r) and write (..._w) ### */ #define sft_fd_r(sft) (Read2Bytes(u_short,&sft[sft_fd_off])) #define sft_fd_w(sft,x) (Write2Bytes(&sft[sft_fd_off], x)) typedef u_char *cds_t; #define cds_current_path(cds) ((char *)&cds[cds_current_path_off]) /* ### Split next definition into read (..._r) and write (..._w) ### */ #define cds_flags_r(cds) (Read2Bytes(u_short,&cds[cds_flags_off])) #define cds_flags_w(cds,x) (Write2Bytes(&cds[cds_flags_off], x)) #define cds_DBP_pointer(cds) (Read4Bytes(u_long,&cds[cds_DBP_pointer_off])) #define cds_cur_cluster(cds,x) (Write2Bytes(&cds[cds_cur_cluster_off],x)) /* ### Split next difinition into read (..._r) and write (..._w) ### */ #define cds_rootlen_r(cds) (Read2Bytes(u_short,&cds[cds_rootlen_off])) #define cds_rootlen_w(cds,x) (Write2Bytes(&cds[cds_rootlen_off], x)) #define drive_cds(dd) ((cds_t)(((int)cds_base)+(cds_record_size*(dd)))) #define CDS_FLAG_REMOTE 0x8000 #define CDS_FLAG_READY 0x4000 #define CDS_FLAG_NOTNET 0x0080 #define CDS_FLAG_SUBST 0x1000 #define CDS_DEFAULT_ROOT_LEN 2 #define FAR(x) (Addr_8086(x.segment, x.offset)) /* ### Commented out by DH ### * #define FARPTR(x) (Addr_8086((x)->segment, (x)->offset)) */ /* ### Added by DH ### */ #define FARPTR(x) &memory[Read2Bytes(u_short, (x)) + \ (Read2Bytes(u_short, (UBYTE *)(x)+2) << 4)] /* ### End of addition ### */ typedef u_short *psp_t; #define PSPPTR(x) (Addr_8086(x, 0)) typedef u_char *sda_t; #define sda_current_dta(sda) ((char *)(FARPTR((far_t *)&sda[sda_current_dta_off]))) #define sda_cur_psp(sda) (Read2Bytes(u_short,&sda[sda_cur_psp_off])) #define sda_filename1(sda) ((char *)&sda[sda_filename1_off]) #define sda_filename2(sda) ((char *)&sda[sda_filename2_off]) #define sda_sdb(sda) ((sdb_t )&sda[sda_sdb_off]) #define sda_cds(sda) ((cds_t)(FARPTR((far_t *)&sda[sda_cds_off]))) #define sda_search_attribute(sda) (*(u_char *)&sda[sda_search_attribute_off]) #define sda_open_mode(sda) (*(u_char *)&sda[sda_open_mode_off]) #define sda_rename_source(sda) ((sdb_t )&sda[sda_rename_source_off]) #define sda_user_stack(sda) ((char *)(FARPTR((far_t *)&sda[sda_user_stack_off]))) /* * Data for extended open/create operations, DOS 4 or greater: */ #define sda_ext_act(sda) (Read2Bytes(u_short,&sda[sda_ext_act_off])) #define sda_ext_attr(sda) (Read2Bytes(u_short,&sda[sda_ext_attr_off])) #define sda_ext_mode(sda) (Read2Bytes(u_short,&sda[sda_ext_mode_off])) #define psp_parent_psp(psp) (Read2Bytes(u_short,&psp[0x16])) #define psp_handles(psp) ((char *)(FARPTR((far_t *)&psp[0x34]))) #define lol_cdsfarptr(lol) (Read4Bytes(u_long,&lol[lol_cdsfarptr_off])) #define lol_last_drive(lol) (*(u_char *)&lol[lol_last_drive_off]) typedef u_char *lol_t; #ifdef OLD_OBSOLETE typedef struct lol_record { u_char filler1[22]; far_t cdsfarptr; u_char filler2[6]; u_char last_drive; } *lol_t; #endif /* dos attribute byte flags */ #define REGULAR_FILE 0x00 #define READ_ONLY_FILE 0x01 #define HIDDEN_FILE 0x02 #define SYSTEM_FILE 0x04 #define VOLUME_LABEL 0x08 #define DIRECTORY 0x10 #define ARCHIVE_NEEDED 0x20 /* dos access mode constants */ #define READ_ACC 0x00 #define WRITE_ACC 0x01 #define READ_WRITE_ACC 0x02 #define COMPAT_MODE 0x00 #define DENY_ALL 0x01 #define DENY_WRITE 0x02 #define DENY_READ 0x03 #define DENY_ANY 0x40 #define CHILD_INHERIT 0x00 #define NO_INHERIT 0x01 #define A_DRIVE 0x01 #define B_DRIVE 0x02 #define C_DRIVE 0x03 #define D_DRIVE 0x04 #define GET_REDIRECTION 2 #define REDIRECT_DEVICE 3 #define CANCEL_REDIRECTION 4 #define EXTENDED_GET_REDIRECTION 5