115 lines
4.2 KiB
C
115 lines
4.2 KiB
C
#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 "1.9"
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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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* Parts of config.h have been moved to sys_config.h, which can be included
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* by other include files that wish to get at the configuration data, but
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* don't want to pollute the users namespace. Some editable values have
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* gone there.
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*
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*/
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/* The MACHINE (called _MINIX_MACHINE) setting can be done
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* in <minix/machine.h>.
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*/
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#include <minix/sys_config.h>
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#define MACHINE _MINIX_MACHINE
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#define IBM_PC _MACHINE_IBM_PC
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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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* These can be changed in sys_config.h.
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*/
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#define NR_PROCS _NR_PROCS
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#define NR_SYS_PROCS _NR_SYS_PROCS
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#define NR_SYS_CHUNKS BITMAP_CHUNKS(NR_SYS_PROCS)
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/* Number of controller tasks (/dev/cN device classes). */
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#define NR_CTRLRS 2
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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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/* Which processes 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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* Messages are sent by src/lib/sysutil/kputc.c to these processes, in
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* the order of this array, which must be terminated by NONE. This is used
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* by drivers and servers that printf().
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* The kernel does this for its own kprintf() in kernel/utility.c, also using
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* this array, but a slightly different mechanism.
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*/
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#define OUTPUT_PROCS_ARRAY { TTY_PROC_NR, LOG_PROC_NR, NONE }
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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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/* This feature enable the counting of system calls in PM and FS */
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#define ENABLE_SYSCALL_STATS 0
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/* Max. number of I/O ranges that can be assigned to a process */
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#define NR_IO_RANGE 64
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/* Max. number of device memory ranges that can be assigned to a process */
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#define NR_MEM_RANGE 20
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/* Max. number of IRQs that can be assigned to a process */
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#define NR_IRQ 8
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/* Scheduling priorities. Values must start at zero (highest
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* priority) and increment.
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*/
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#define NR_SCHED_QUEUES 16 /* MUST equal minimum priority + 1 */
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#define TASK_Q 0 /* highest, used for kernel tasks */
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#define MAX_USER_Q 0 /* highest priority for user processes */
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#define USER_Q ((MIN_USER_Q - MAX_USER_Q) / 2 + MAX_USER_Q) /* default
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(should correspond to nice 0) */
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#define MIN_USER_Q (NR_SCHED_QUEUES - 1) /* minimum priority for user
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processes */
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/* default scheduling quanta */
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#define USER_QUANTUM 200
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/* defualt user process cpu */
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#define USER_DEFAULT_CPU -1 /* use the default cpu or do not change the
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current one */
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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 FP_FORMAT type based on the machine selected, either hw or sw */
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#define FP_NONE _FP_NONE /* no floating point support */
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#define FP_IEEE _FP_IEEE /* conform IEEE floating point standard */
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/* _MINIX_FP_FORMAT is defined in sys_config.h. */
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#define FP_FORMAT _MINIX_FP_FORMAT
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/* _ASKDEV and _FASTLOAD are defined in sys_config.h. */
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#define ASKDEV _ASKDEV
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#define FASTLOAD _FASTLOAD
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/* Enable or disable system profiling. */
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#define SPROFILE 1 /* statistical profiling */
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#define CPROFILE 0 /* call profiling */
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/* PCI configuration parameters */
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#define NR_PCIBUS 40
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#define NR_PCIDEV 50
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#endif /* _CONFIG_H */
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