/****************************************************************************
OS/A65 Version 1.4.0
Multitasking Operating System for 6502 Computers
Copyright (C) 1989-1997 Andre Fachat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************/
#ifndef P_KIND
/**************************************************************************/
/* Kernel saved areas */
/*
* These memory locations are saved for each environment/task/thread
*/
#define ENVSAVE 2
#define TASKSAVE 4
#define THREADSAVE 6
/**************************************************************************/
/* Prg-Header, ROM style */
#define P_KIND 0 /* type of file */
#define P_ADDR 1 /* start address to load file to */
#define P_RAM 3 /* needed amount of memory (not for
device */
#define P_SHARED 4 /* size of shared memory from top */
#define P_PRIORITY 5 /* priority of task */
#define P_DEV 6 /* two byte reserved - in the ROM, the
first byte gives the device number
the stdin have to be directed
to, the second byte is for stdout */
#define P_NAME 8 /* name of program, ended by nullbyte;
after that follows the command line
that starts the program. */
/* type of file in ROM */
#define PK_PRG 0 /* simple executable */
#define PK_DEV 1 /* device block */
#define PK_FS 2 /* filesystem/daemon, i.e. stdio is
ignored */
#define PK_INIT 3 /* init process (no stdio, no PCBUF
with command line) */
#define PK_LIB 4 /* process started with lib6502 */
#define PK_BIN 5 /* non-executable file */
/* execution bits */
#define PK_AUTOEXEC $80
#define PK_RESTART $40
/**************************************************************************/
/* Hardware-Errors */
#define HE_ZP <-1 /* Zeropage RAM defective */
#define HE_RAM <-2 /* not enough RAM (may be defective) */
#define HE_ROM <-3 /* not enough Streams/Envs to handle all
ROM autostart requests */
#define HE_DEV <-4 /* error registering ROM device */
#define HE_TASK <-5 /* no more active task! */
/* Software-Errors */
/* general OS/kernel errors */
#define E_OK 0 /* no error */
#define E_NOTIMP <-1 /* feature/function not implemented */
#define E_CONFIG <-2 /* in this configuration not available */
#define E_ILLPAR <-3 /* illegal parameter */
#define E_NOMEM <-4 /* no more memory */
/* stream handling errors */
#define E_NOSTR <-5 /* no more streams available */
#define E_SFULL <-6 /* stream is full */
#define E_SEMPTY <-7 /* stream is empty */
#define E_SLWM <-8 /* stream below low-water-mark (1/4) */
#define E_SHWM <-9 /* stream above high-water-mark (3/4) */
#define E_EOF <-10 /* last byte read, other side has closed */
#define E_NUL <-11 /* noone listening on stream */
/* device handling errors */
#define E_NODEV <-12 /* illegal device number */
#define E_DON <-13 /* device already in use */
#define E_DOFF <-14 /* device not in use */
#define E_NOTX <-15 /* device doesn't send */
/* misc errors */
#define E_NOENV <-16 /* no more free environment/task ID */
#define E_NOSEM <-17 /* no more free semaphore */
#define E_SEMSET <-18 /* semaphore is already set (with PSEM) */
#define E_NOIRQ <-19 /* irq routine has not removed irq source */
#define E_VERSION <-20 /* wrong (executable file) version */
#define E_NOTASK <-21 /* no more free task */
#define E_INT <-22 /* interrupted (by signal) system call */
#define E_ILLSIG <-23 /* illegal signal number */
#define E_TRYAGAIN <-24 /* try again */
/* file handling errors */
#define E_FNODRV <-32 /* illegal drive number */
#define E_FNOPATH <-33 /* wrong path */
#define E_FILLNAM <-34 /* illegal name (joker "*","?","\"") */
#define E_FNAMLEN <-35 /* name too long */
#define E_FNOFIL <-36 /* file not found */
#define E_FWPROT <-37 /* file write protected */
#define E_FILEXIST <-38 /* file exists */
#define E_FDISKFULL <-39 /* disk full */
#define E_FDNEMPTY <-40 /* subdirectory not empty when rmdir */
#define E_FLOCKED <-41 /* file locked */
#define E_FMEDIA <-42 /* media error */
#define E_FLOGICAL <-43 /* bad logical structure on media */
#define E_FINTERNAL <-44 /* internal error - should not happen! */
#define E_LASTERR <-96 /* for customized error numbers */
#define E_ILLADDR <-64 /* illegal address for lib6502 mfree */
#define E_NOFILE <-65 /* illegal file number for lib6502 */
#define E_NOSEEK <-66 /* file not seekable */
#define E_NOREAD <-67 /* read on file would block */
#define E_NOWRITE <-68 /* write on file would block */
#define E_FVERSION <-69 /* file version number not supported */
/**************************************************************************/
/* Stream-Commands */
#define SC_GET 0
#define SC_REG_RD 1
#define SC_REG_WR 2
#define SC_CLR 3
#define SC_EOF 4
#define SC_NUL 5
#define SC_FRE 6
#define SC_STAT 7
#define SC_GANZ 8
#define SC_RWANZ 9
#define SC_ESTAT 10 /* get error state */
#define SC_SSTAT 11 /* set error state */
#define SC_CSTAT 12 /* clear error state */
#define SCE_PULL %10000000 /* reader pulls */
#define SCE_PUSH %01000000 /* writer pushes */
#define SCE_BRK %00100000 /* writer signals break */
#define SCE_RERRM %00001100 /* reader has error condition mask */
/* %00 = no error, != $00 error, to be def'd */
#define SCE_WERRM %00000011 /* writer has error condition (read error,..)*/
/* %00 = no error, != $00 error, to be def'd */
/* Device-Commands */
#define DC_IRQ 0
#define DC_RES 1
#define DC_GS 2
#define DC_PS 3
#define DC_RX_ON 4
#define DC_TX_ON 5
#define DC_RX_OFF 6
#define DC_TX_OFF 7
#define DC_SPD 8
#define DC_HS 9
#define DC_ST 10
#define DC_EXIT 11
#define DC_BRKKEY 12
#define DC_GNAM 16
#define DC_GNUM 17
#define DC_REGDEV 18
#define DC_SW_RX %10000000
#define DC_SW_TX %01000000
/*
#define REGDEV_MPOS 0
#define REGDEV_MBLK 1
#define REGDEV_ADR 2
*/
/* NMI commands, to be passed to CTRLNMI */
#define NMI_ON 0 /* beq */
#define NMI_OFF 1
/* task state */
#define TS_FREE 0
#define TS_ENV 1 /* allocated but not running */
#define TS_IBRK 2 /* task has BRK'd in IRQ routine */
#define TS_BRK 3 /* task has BRK'd */
#define TS_RDY 4 /* task did YIELD call */
#define TS_IRQ 5 /* task is interrupted */
#define TS_WFRX 6 /* waiting for other task to RECEIVE */
#define TS_WFTX 7 /* waiting for other task to SEND */
#define TS_WXTX 8 /* wait for certain task to SEND */
#define TS_WFSEM 9 /* wait for semaphore */
#define TS_WSIG 10 /* wait for signal */
/* GETINFO-struct */
#define ANZ_ENV 15 /* number of valid entries */
#define TN_PID 0 /* process ID */
#define TN_NTHREADS 1 /* task state */
#define TN_ENV 2 /* environment number */
#define TN_PARENT 3 /* parent task */
#define TN_MEM 4 /* used amount of memory */
#define TN_SIGNAL 5 /* interrupt routine address */
#define TN_STDIN 7 /* stdin stream */
#define TN_STDOUT 8 /* stdout stream */
#define TN_STDERR 9 /* stderr stream */
#define TN_SIGMASK 10 /* signal mask */
#define TN_NAME 11 /* start of program name (if avail.) */
#define TN_SLEN 17 /* length of one entry */
#define TNAMLEN (TN_SLEN-TN_NAME) /* length of name */
/* Terminal Commands */
#define TC_BEL 7
#define TC_BS 8
#define TC_HT 9
#define TC_LF 10
#define TC_VT 11
#define TC_FF 12
#define TC_CR 13
#define TC_ESC 27
#define TC_CLFT $80
#define TC_CRGT $81
#define TC_CUP $82
#define TC_CDWN $83
#define TC_HOME $84
#define TC_CLR $85
#define TC_DEL $86
#define TC_INS $87
#define TC_WLO $88
#define TC_WRU $89
#define TC_WCLS $8a
#define TC_EOL $8b
#define TC_CLL $8c
#define TC_ECHO $8d /* device shall echo: terminal = full screen */
#define TC_NOECHO $8e /* appl. echos: full appl. control */
#define TC_CPOS $8f /* next chars are row and column */
/*********************** System Semaphores *************************/
/* System semaphores cannot be allocated and/or freed with
* GETSEM/FRESEM, but can be used with PSEM and VSEM.
*
* The semaphores marked with '(NOMMU)' need only be used without
* MMU, while the others should be used anyway, to share the resource
* between any tasks.
*/
#define SEM_SENDBUF <-1 /* Send buffer (NOMMU) */
/*
* the following semaphore numbers are defined, but not (yet) really
* used by the current implementation. Especially the SERIEC semaphore
* can be used to share the serial bus between fsiec for CBM floppies
* and fsibm (with changed interface for VC1571) for PC style disks.
*/
#define SEM_STDIO <-2 /* parts of the STDIO library (NOMMU) */
#define SEM_PARIEC <-3 /* parallel IEC bus */
#define SEM_SERIEC <-4 /* serial IEC bus */
#define SEM_IBMDISK <-5 /* IBM floppy interface */
/*********************** SIGNALS ***********************************
* Signal codes
*/
#define SIG_INTABLE %10000000 /* interruptable system call mask */
#define SIG_CHLD %01000000 /* child has terminated */
#define SIG_KILL %00100000 /* process shall terminate */
#define SIG_BRK %00010000 /* ctrl-C received */
#define SIG_USR4 %00001000 /* 4 user signals */
#define SIG_USR3 %00000100
#define SIG_USR2 %00000010
#define SIG_USR1 %00000001
/*********************** SEND SYSTEM *******************************
* SysProcCalls
*
* Some system calls can also be called via the SEND interface
*/
#define SEND_SYS $ff
#define PCBUF $200
/* AC = function number */
#define SP_FORK 0
#define SP_SETIRQ 1
#define SP_RESET 2
/* struct in PCBUF when FORK'ing */
#define FORK_SIZE 0 /* size of needed memory in blocks (256
byte) from address 0 up */
#define FORK_SHARED 1 /* size of shared memory mapping in
blocks from address $ffff down */
#define FORK_PRIORITY 2 /* priority of task - 0 = parent's */
#define FORK_STDIN 3 /* stdin stream */
#define FORK_STDOUT 4 /* stdout stream */
#define FORK_STDERR 5 /* stderr stream */
#define FORK_ADDR 6 /* startaddress of task execution */
#define FORK_NAME 8 /* task name (ended with nullbyte) */
/* struct in PCBUF when SETIRQ */
#define SETIRQ_ENV 0 /* env to set irq address in */
#define SETIRQ_ADR 1 /* irq address to set */
#define SETIRQ_SLEN 3
/* struct in PCBUF when RESET */
#define RESET_ENV 0 /* env to restart */
#define RESET_ADR 1 /* start address for execution */
#define RESET_SLEN 3
/* StdStream */
#define STDNUL $fc /* is ignored (see PK_FS) */
#define STDIN $fd
#define STDOUT $fe
#define STDERR $ff
/* Own Task ID */
#define OWNTASK $ff
/* FileManager */
#define SEND_FM $fe
#define FM_REG 0 /* in AC when registering new fs */
#define FM_REG_DRVS 0 /* number of drives to register */
#define FM_REG_ENV 1 /* to task number */
#define FM_OPEN_DRV 0
/* TimeTask */
#define SEND_TIME $fc
/* AC = command */
#define TI_SET 0
#define TI_GET 1
/* struct in PCBUF */
#define TE_SG_YEAR 0
#define TE_SG_MONTH 1
#define TE_SG_DAY 2
#define TE_SG_HOUR 3
#define TE_SG_MIN 4
#define TE_SG_SEC 5
/* (Inter)Net Connectivity */
#define SEND_NET $fb
/* Net server use an interface similar to the filesystem interface.
* In fact, after an open there is no real difference, and due to the
* non-overlapping command numbers, one process can register as
* FS _and_ Net server.
* Further defs are found in oa1fs.i65
*/
#endif
