144 lines
5.1 KiB
C
Executable File
144 lines
5.1 KiB
C
Executable File
#ifndef _CONFIG_H
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#define _CONFIG_H
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/* Minix release and version numbers. */
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#define OS_RELEASE "3"
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#define OS_VERSION "0.7"
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/* This file sets configuration parameters for the MINIX kernel, FS, and PM.
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* It is divided up into two main sections. The first section contains
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* user-settable parameters. In the second section, various internal system
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* parameters are set based on the user-settable parameters.
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*/
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/*===========================================================================*
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* This section contains user-settable parameters *
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*===========================================================================*/
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#define MACHINE IBM_PC /* Must be one of the names listed below */
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#define IBM_PC 1 /* any 8088 or 80x86-based system */
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#define SUN_4 40 /* any Sun SPARC-based system */
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#define SUN_4_60 40 /* Sun-4/60 (aka SparcStation 1 or Campus) */
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#define ATARI 60 /* ATARI ST/STe/TT (68000/68030) */
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#define MACINTOSH 62 /* Apple Macintosh (68000) */
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/* Word size in bytes (a constant equal to sizeof(int)). */
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#if __ACK__
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#define _WORD_SIZE _EM_WSIZE
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#define _PTR_SIZE _EM_WSIZE
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#endif
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/* Number of slots in the process table for non-kernel processes. The number
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* of system processes defines how many processes with special privileges
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* there can be. User processes share the same properties and count for one.
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*/
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#define NR_PROCS 64
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#define NR_SYS_PROCS 32
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/* The buffer cache should be made as large as you can afford. */
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#if (MACHINE == IBM_PC && _WORD_SIZE == 2)
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#define NR_BUFS 40 /* # blocks in the buffer cache */
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#define NR_BUF_HASH 64 /* size of buf hash table; MUST BE POWER OF 2*/
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#endif
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#if (MACHINE == IBM_PC && _WORD_SIZE == 4)
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#define NR_BUFS 1500 /* # blocks in the buffer cache */
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#define NR_BUF_HASH 2048 /* size of buf hash table; MUST BE POWER OF 2*/
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#endif
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#if (MACHINE == SUN_4_60)
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#define NR_BUFS 512 /* # blocks in the buffer cache (<=1536) */
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#define NR_BUF_HASH 512 /* size of buf hash table; MUST BE POWER OF 2*/
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#endif
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/* Number of controller tasks (/dev/cN device classes). */
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#define NR_CTRLRS 2
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/* Enable or disable the second level file system cache on the RAM disk. */
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#define ENABLE_CACHE2 0
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/* Enable or disable swapping processes to disk. */
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#define ENABLE_SWAP 1
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/* Include or exclude an image of /dev/boot in the boot image.
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* Please update the makefile in /usr/src/tools/ as well.
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*/
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#define ENABLE_BOOTDEV 0 /* load image of /dev/boot at boot time */
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/* DMA_SECTORS may be increased to speed up DMA based drivers. */
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#define DMA_SECTORS 1 /* DMA buffer size (must be >= 1) */
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/* Include or exclude backwards compatibility code. */
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#define ENABLE_BINCOMPAT 0 /* for binaries using obsolete calls */
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#define ENABLE_SRCCOMPAT 0 /* for sources using obsolete calls */
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/* Which process should receive diagnostics from the kernel and system?
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* Directly sending it to TTY only displays the output. Sending it to the
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* log driver will cause the diagnostics to be buffered and displayed.
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*/
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#define OUTPUT_PROC_NR LOG_PROC_NR /* TTY_PROC_NR or LOG_PROC_NR */
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/* NR_CONS, NR_RS_LINES, and NR_PTYS determine the number of terminals the
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* system can handle.
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*/
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#define NR_CONS 4 /* # system consoles (1 to 8) */
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#define NR_RS_LINES 4 /* # rs232 terminals (0 to 4) */
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#define NR_PTYS 32 /* # pseudo terminals (0 to 64) */
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/*===========================================================================*
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* There are no user-settable parameters after this line *
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*===========================================================================*/
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/* Set the CHIP type based on the machine selected. The symbol CHIP is actually
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* indicative of more than just the CPU. For example, machines for which
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* CHIP == INTEL are expected to have 8259A interrrupt controllers and the
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* other properties of IBM PC/XT/AT/386 types machines in general. */
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#define INTEL 1 /* CHIP type for PC, XT, AT, 386 and clones */
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#define M68000 2 /* CHIP type for Atari, Amiga, Macintosh */
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#define SPARC 3 /* CHIP type for SUN-4 (e.g. SPARCstation) */
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/* Set the FP_FORMAT type based on the machine selected, either hw or sw */
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#define FP_NONE 0 /* no floating point support */
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#define FP_IEEE 1 /* conform IEEE floating point standard */
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#if (MACHINE == IBM_PC)
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#define CHIP INTEL
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#endif
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#if (MACHINE == ATARI) || (MACHINE == MACINTOSH)
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#define CHIP M68000
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#endif
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#if (MACHINE == SUN_4) || (MACHINE == SUN_4_60)
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#define CHIP SPARC
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#define FP_FORMAT FP_IEEE
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#endif
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#if (MACHINE == ATARI) || (MACHINE == SUN_4)
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#define ASKDEV 1 /* ask for boot device */
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#define FASTLOAD 1 /* use multiple block transfers to init ram */
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#endif
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#if (ATARI_TYPE == TT) /* and all other 68030's */
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#define FPP
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#endif
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#ifndef FP_FORMAT
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#define FP_FORMAT FP_NONE
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#endif
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#ifndef MACHINE
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error "In <minix/config.h> please define MACHINE"
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#endif
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#ifndef CHIP
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error "In <minix/config.h> please define MACHINE to have a legal value"
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#endif
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#if (MACHINE == 0)
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error "MACHINE has incorrect value (0)"
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#endif
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#endif /* _CONFIG_H */
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