; **************************************************************************** ; TRDOS386.ASM (TRDOS 386 Kernel - v2.0.5) - SYSTEM DEFINITIONS : sysdefs.s ; ---------------------------------------------------------------------------- ; Last Update: 23/07/2022 (Previous: 31/12/2017) ; ---------------------------------------------------------------------------- ; Beginning: 24/01/2016 ; ---------------------------------------------------------------------------- ; Assembler: NASM version 2.11 (trdos386.s) ; ---------------------------------------------------------------------------- ; Derived from 'Retro UNIX 386 Kernel - v0.2.1.0' source code by Erdogan Tan ; sysdefs.inc (14/11/2015) ; **************************************************************************** ; Retro UNIX 386 v1 Kernel - SYSDEFS.INC ; Last Modification: 14/11/2015 ; ; ///////// RETRO UNIX 386 V1 SYSTEM DEFINITIONS /////////////// ; (Modified from ; Retro UNIX 8086 v1 system definitions in 'UNIX.ASM', 01/09/2014) ; ((UNIX.ASM (RETRO UNIX 8086 V1 Kernel), 11/03/2013 - 01/09/2014)) ; UNIX.ASM (MASM 6.11) --> SYSDEFS.INC (NASM 2.11) ; ---------------------------------------------------------------------------- ; ; Derived from UNIX Operating System (v1.0 for PDP-11) ; (Original) Source Code by Ken Thompson (1971-1972) ; ; ; ; **************************************************************************** nproc equ 16 ; number of processes ;nfiles equ 50 ntty equ 8 ; 8+1 -> 8 (10/05/2013) nbuf equ 4 ; 6 ;; 21/08/2015 - 'namei' buffer problem when nbuf > 4 ; NOTE: If fd0 super block buffer addres is beyond of the 1st ; 32K, DMA r/w routine or someting else causes a jump to ; kernel panic routine (in 'alloc' routine, in u5.s) ; because of invalid buffer content (r/w error). ; When all buffers are set before the end of the 1st 32k, ; there is no problem!? (14/11/2015) ;csgmnt equ 2000h ; 26/05/2013 (segment of process 1) ;core equ 0 ; 19/04/2013 ;ecore equ 32768 - 64 ; 04/06/2013 (24/05/2013) ; (if total size of argument list and arguments is 128 bytes) ; maximum executable file size = 32768-(64+40+128-6) = 32530 bytes ; maximum stack size = 40 bytes (+6 bytes for 'IRET' at 32570) ; initial value of user's stack pointer = 32768-64-128-2 = 32574 ; (sp=32768-args_space-2 at the beginning of execution) ; argument list offset = 32768-64-128 = 32576 (if it is 128 bytes) ; 'u' structure offset (for the '/core' dump file) = 32704 ; '/core' dump file size = 32768 bytes ; 08/03/2014 ;sdsegmnt equ 6C0h ; 256*16 bytes (swap data segment size for 16 processes) ; 19/04/2013 Retro UNIX 8086 v1 feaure only ! ;;sdsegmnt equ 740h ; swap data segment (for user structures and registers) ; 30/08/2013 time_count equ 4 ; 10 --> 4 01/02/2014 ; 05/02/2014 ; process status ;SFREE equ 0 ;SRUN equ 1 ;SWAIT equ 2 ;SZOMB equ 3 ;SSLEEP equ 4 ; Retro UNIX 8086 V1 extension (for sleep and wakeup) ; 09/03/2015 userdata equ 80000h ; user structure data address for current user ; temporary swap_queue equ 90000h - 2000h ; swap queue address ; temporary swap_alloc_table equ 0D0000h ; swap allocation table address ; temporary ; 17/09/2015 ESPACE equ 48 ; [u.usp] (at 'sysent') - [u.sp] value for error return ; 31/12/2017 ; 19/02/2017 ; 15/10/2016 ; 20/05/2016 ; 19/05/2016 ; 18/05/2016 ; 29/04/2016 ; TRDOS 386 (TRDOS v2.0) system calls - temporary List ; 14/07/2013 - 21/09/2015 (Retro UNIX 8086 & 386 system calls) _ver equ 0 ; Get TRDOS version (v2.0) _exit equ 1 _fork equ 2 _read equ 3 _write equ 4 _open equ 5 _close equ 6 _wait equ 7 _creat equ 8 _rename equ 9 ; TRDOS 386, Rename File (31/12/2017) _delete equ 10 ; TRDOS 386, Delete File (29/12/2017) _exec equ 11 _chdir equ 12 _time equ 13 ; TRDOS 386, Get Sys Date&Time (30/12/2017) _mkdir equ 14 _chmod equ 15 ; TRDOS 386, Change Attributes (30/12/2017) _rmdir equ 16 ; TRDOS 386, Remove Directory (29/12/2017) _break equ 17 _drive equ 18 ; TRDOS 386, Get/Set Current Drv (30/12/2017) _seek equ 19 _tell equ 20 _mem equ 21 ; TRDOS 386, Get Total&Free Mem (31/12/2017) _prompt equ 22 ; TRDOS 386, Change Cmd Prompt (31/12/2017) _path equ 23 ; TRDOS 386, Get/Set Run Path (31/12/2017) _env equ 24 ; TRDOS 386, Get/Set Env Vars (31/12/2017) _stime equ 25 ; TRDOS 386, Set Sys Date&Time (30/12/2017) _quit equ 26 _intr equ 27 _dir equ 28 ; TRDOS 386, Get Curr Drive&Dir (30/12/2017) _emt equ 29 _ldrvt equ 30 ; TRDOS 386, Get Logical DOS DDT (30/12/2017) _video equ 31 ; TRDOS 386 Video Functions (16/05/2016) _audio equ 32 ; TRDOS 386 Video Functions (16/05/2016) _timer equ 33 ; TRDOS 386 Timer Functions (18/05/2016) _sleep equ 34 ; Retro UNIX 8086 v1 feature only ! _msg equ 35 ; Retro UNIX 386 v1 feature only ! _geterr equ 36 ; Retro UNIX 386 v1 feature only ! _fpsave equ 37 ; TRDOS 386 FPU state option (28/02/2017) _pri equ 38 ; change priority - TRDOS 386 (20/05/2016) _rele equ 39 ; TRDOS 386 (19/05/2016) _fff equ 40 ; Find First File - TRDOS 386 (15/10/2016) _fnf equ 41 ; Find Next File - TRDOS 386 (15/10/2016) _alloc equ 42 ; Allocate memory - TRDOS 386 (19/02/2017) ; TRDOS 386 (19/02/2017) DMA buff fuctions _dalloc equ 43 ; Deallocate mem - TRDOS 386 (19/02/2017) _calbac equ 44 ; Set IRQ callback - TRDOS 386 (20/02/2017) _dma equ 45 ; DMA service - TRDOS 386 (20/08/2017) %macro sys 1-4 ; 29/04/2016 - TRDOS 386 (TRDOS v2.0) ; 03/09/2015 ; 13/04/2015 ; Retro UNIX 386 v1 system call. %if %0 >= 2 mov ebx, %2 %if %0 >= 3 mov ecx, %3 %if %0 = 4 mov edx, %4 %endif %endif %endif mov eax, %1 ;int 30h int 40h ; TRDOS 386 (TRDOS v2.0) %endmacro ; TRDOS 386 system calls, interrupt number ; 25/12/2016 SYSCALL_INT_NUM equ '40' ; '40h' ; 13/05/2015 - ERROR CODES ERR_FILE_NOT_OPEN equ 10 ; 'file not open !' error ERR_FILE_ACCESS equ 11 ; 'permission denied !' error ; 14/05/2015 ERR_DIR_ACCESS equ 11 ; 'permission denied !' error ERR_FILE_NOT_FOUND equ 12 ; 'file not found !' error ERR_TOO_MANY_FILES equ 13 ; 'too many open files !' error ERR_DIR_EXISTS equ 14 ; 'directory already exists !' error ; 16/05/2015 ERR_DRV_NOT_RDY equ 15 ; 'drive not ready !' error ; 18/05/2015 ERR_DEV_NOT_RDY equ 15 ; 'device not ready !' error ERR_DEV_ACCESS equ 11 ; 'permission denied !' error ERR_DEV_NOT_OPEN equ 10 ; 'device not open !' error ; 07/06/2015 ERR_FILE_EOF equ 16 ; 'end of file !' error ERR_DEV_VOL_SIZE equ 16 ; 'out of volume !' error ; 09/06/2015 ERR_DRV_READ equ 17 ; 'disk read error !' ERR_DRV_WRITE equ 18 ; 'disk write error !' ; 16/06/2015 ERR_NOT_DIR equ 19 ; 'not a (valid) directory !' error ERR_FILE_SIZE equ 20 ; 'file size error !' ; 22/06/2015 ERR_NOT_SUPERUSER equ 11 ; 'permission denied !' error ERR_NOT_OWNER equ 11 ; 'permission denied !' error ERR_NOT_FILE equ 11 ; 'permission denied !' error ; 23/06/2015 ERR_FILE_EXISTS equ 14 ; 'file already exists !' error ERR_DRV_NOT_SAME equ 21 ; 'not same drive !' error ERR_DIR_NOT_FOUND equ 12 ; 'directory not found !' error ERR_NOT_EXECUTABLE equ 22 ; 'not executable file !' error ; 27/06/2015 ERR_INV_PARAMETER equ 23 ; 'invalid parameter !' error ERR_INV_DEV_NAME equ 24 ; 'invalid device name !' error ; 29/06/2015 ERR_TIME_OUT equ 25 ; 'time out !' error ERR_DEV_NOT_RESP equ 25 ; 'device not responding !' error ; 10/10/2016 ERR_INV_FILE_NAME equ 26 ; 'invalid file name !' error ERR_INV_FLAGS equ 23 ; 'invalid flags !' error ; For code compatibility with previous version of TRDOS (2011) ; (Temporary error codes for current TRDOS 386 -2016- version) ERR_NO_MORE_FILES equ 12 ; 'no more files !' error ERR_PATH_NOT_FOUND equ 3 ; 'path not found !' error ; 'dir not found !' ; TRDOS 8086 ERR_NOT_FOUND equ 2 ; 'file not found !' ; TRDOS 8086 ERR_DISK_SPACE equ 39 ; 'out of volume !' TRDOS 8086 ; 'insufficient disk space !' ; 27h ERR_DISK_WRITE equ 30 ; 'disk write protected !' ; 16/10/2016 ERR_ACCESS_DENIED equ 5 ; 'access denied !' ; TRDOS 8086 ; 28/02/2017 ERR_PERM_DENIED equ 11 ; 'permission denied !' error ; 18/05/2016 ERR_MISC equ 27 ; miscellaneous/other errors ; 15/10/2016 ; TRDOS 8086 -> TRDOS 386 (0Bh -> 28) ERR_INV_FORMAT equ 28 ; 'invalid format !' error ; TRDOS 8086 -> TRDOS 386 (0Dh -> 29) ERR_INV_DATA equ 29 ; 'invalid data !' error ; TRDOS 8086 -> TRDOS 386 (0Eh -> 20) ERR_ZERO_LENGTH equ 20 ; 'zero length !' error ; TRDOS 8086 -> TRDOS 386 (15h -> 17, 1Dh -> 18, 1Eh -> 17) ERR_DRV_NR_READ equ 17 ; 'drive not ready or read error !' ERR_DRV_NR_WRITE equ 18 ; 'drive not ready or write error !' ; 15/10/2016 ERR_INV_PATH_NAME equ 19 ; 'bad path name !' error ERR_BAD_CMD_ARG equ 1 ; 'bad command argument !' ; TRDOS 8086 ERR_INV_FNUMBER equ 1 ; 'invalid function number !' ; TRDOS 8086 ERR_BIG_FILE equ 8 ; 'big file & out of memory ! ; TRDOS 8086 ERR_BIG_DATA equ 8 ; 'big data & out of memory ! ; TRDOS 8086 ERR_CLUSTER equ 35 ; 'cluster not available !' ; TRDOS 8086 ERR_OUT_OF_MEMORY equ 4 ; 'out of memory !' ; 'insufficient memory !' ERR_P_VIOLATION equ 6 ; 'protection violation !' ERR_PAGE_FAULT equ 224 ;'page fault !' ;0E0h ERR_SWP_DISK_READ equ 40 ERR_SWP_DISK_NOT_PRESENT equ 41 ERR_SWP_SECTOR_NOT_PRESENT equ 42 ERR_SWP_NO_FREE_SPACE equ 43 ERR_SWP_DISK_WRITE equ 44 ERR_SWP_NO_PAGE_TO_SWAP equ 45 ; 10/04/2017 ERR_BUFFER equ 46 ; 'buffer error !' ; 28/08/2017 (20/08/2017) ERR_DMA equ -1 ; DMA buffer (allocation/misc.) error! ; 26/08/2015 ; 24/07/2015 ; 24/06/2015 MAX_ARG_LEN equ 256 ; max. length of sys exec arguments ; 01/07/2015 MAX_MSG_LEN equ 255 ; max. msg length for 'sysmsg' ; ; 06/10/2016 ;OPENFILES equ 10 ; max. number of open files (system) ; 23/07/2022 OPENFILES equ 32 ; max. number of open files (system) ; 07/10/2016 ;NUMOFDEVICES equ 20 ; max. num of available devices (sys)