minix/include/minix/config.h

126 lines
4.6 KiB
C
Executable file

#ifndef _CONFIG_H
#define _CONFIG_H
/* Minix release and version numbers. */
#define OS_RELEASE "3"
#define OS_VERSION "1"
/* This file sets configuration parameters for the MINIX kernel, FS, and PM.
* It is divided up into two main sections. The first section contains
* user-settable parameters. In the second section, various internal system
* parameters are set based on the user-settable parameters.
*
* Parts of config.h have been moved to sys_config.h, which can be included
* by other include files that wish to get at the configuration data, but
* don't want to pollute the users namespace. Some editable values have
* gone there.
*
*/
/* The MACHINE (called _MINIX_MACHINE) setting can be done
* in <minix/machine.h>.
*/
#include <minix/sys_config.h>
#define MACHINE _MINIX_MACHINE
#define IBM_PC _MACHINE_IBM_PC
#define SUN_4 _MACHINE_SUN_4
#define SUN_4_60 _MACHINE_SUN_4_60
#define ATARI _MACHINE_ATARI
#define MACINTOSH _MACHINE_MACINTOSH
/* Number of slots in the process table for non-kernel processes. The number
* of system processes defines how many processes with special privileges
* there can be. User processes share the same properties and count for one.
*
* These can be changed in sys_config.h.
*/
#define NR_PROCS _NR_PROCS
#define NR_SYS_PROCS _NR_SYS_PROCS
#if _MINIX_SMALL
#define NR_BUFS 128
#define NR_BUF_HASH 128
#else
/* The buffer cache should be made as large as you can afford. */
#if (MACHINE == IBM_PC && _WORD_SIZE == 2)
#define NR_BUFS 40 /* # blocks in the buffer cache */
#define NR_BUF_HASH 64 /* size of buf hash table; MUST BE POWER OF 2*/
#endif
#if (MACHINE == IBM_PC && _WORD_SIZE == 4)
#define NR_BUFS 1280 /* # blocks in the buffer cache */
#define NR_BUF_HASH 2048 /* size of buf hash table; MUST BE POWER OF 2*/
#endif
#if (MACHINE == SUN_4_60)
#define NR_BUFS 512 /* # blocks in the buffer cache (<=1536) */
#define NR_BUF_HASH 512 /* size of buf hash table; MUST BE POWER OF 2*/
#endif
#endif /* _MINIX_SMALL */
/* Number of controller tasks (/dev/cN device classes). */
#define NR_CTRLRS 2
/* Enable or disable the second level file system cache on the RAM disk. */
#define ENABLE_CACHE2 0
/* Enable or disable swapping processes to disk. */
#define ENABLE_SWAP 1
/* Include or exclude an image of /dev/boot in the boot image.
* Please update the makefile in /usr/src/tools/ as well.
*/
#define ENABLE_BOOTDEV 0 /* load image of /dev/boot at boot time */
/* DMA_SECTORS may be increased to speed up DMA based drivers. */
#define DMA_SECTORS 1 /* DMA buffer size (must be >= 1) */
/* Include or exclude backwards compatibility code. */
#define ENABLE_BINCOMPAT 0 /* for binaries using obsolete calls */
#define ENABLE_SRCCOMPAT 0 /* for sources using obsolete calls */
/* Which process should receive diagnostics from the kernel and system?
* Directly sending it to TTY only displays the output. Sending it to the
* log driver will cause the diagnostics to be buffered and displayed.
*/
#define OUTPUT_PROC_NR LOG_PROC_NR /* TTY_PROC_NR or LOG_PROC_NR */
/* NR_CONS, NR_RS_LINES, and NR_PTYS determine the number of terminals the
* system can handle.
*/
#define NR_CONS 4 /* # system consoles (1 to 8) */
#define NR_RS_LINES 4 /* # rs232 terminals (0 to 4) */
#define NR_PTYS 32 /* # pseudo terminals (0 to 64) */
/*===========================================================================*
* There are no user-settable parameters after this line *
*===========================================================================*/
/* Set the CHIP type based on the machine selected. The symbol CHIP is actually
* indicative of more than just the CPU. For example, machines for which
* CHIP == INTEL are expected to have 8259A interrrupt controllers and the
* other properties of IBM PC/XT/AT/386 types machines in general. */
#define INTEL _CHIP_INTEL /* CHIP type for PC, XT, AT, 386 and clones */
#define M68000 _CHIP_M68000 /* CHIP type for Atari, Amiga, Macintosh */
#define SPARC _CHIP_SPARC /* CHIP type for SUN-4 (e.g. SPARCstation) */
/* Set the FP_FORMAT type based on the machine selected, either hw or sw */
#define FP_NONE _FP_NONE /* no floating point support */
#define FP_IEEE _FP_IEEE /* conform IEEE floating point standard */
/* _MINIX_CHIP is defined in sys_config.h. */
#define CHIP _MINIX_CHIP
/* _MINIX_FP_FORMAT is defined in sys_config.h. */
#define FP_FORMAT _MINIX_FP_FORMAT
/* _ASKDEV and _FASTLOAD are defined in sys_config.h. */
#define ASKDEV _ASKDEV
#define FASTLOAD _FASTLOAD
#endif /* _CONFIG_H */