| [4] | 1 | #ifndef _CONFIG_H
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| 2 | #define _CONFIG_H
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| 3 |
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| 4 | /* Minix release and version numbers. */
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| 5 | #define OS_RELEASE "3"
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| 6 | #define OS_VERSION "1.0"
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| 7 |
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| 8 | /* This file sets configuration parameters for the MINIX kernel, FS, and PM.
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| 9 | * It is divided up into two main sections. The first section contains
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| 10 | * user-settable parameters. In the second section, various internal system
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| 11 | * parameters are set based on the user-settable parameters.
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| 12 | *
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| 13 | * Parts of config.h have been moved to sys_config.h, which can be included
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| 14 | * by other include files that wish to get at the configuration data, but
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| 15 | * don't want to pollute the users namespace. Some editable values have
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| 16 | * gone there.
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| 17 | *
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| 18 | * This is a modified version of config.h for compiling a small Minix system
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| 19 | * with only the options described in the text, Operating Systems Design and
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| 20 | * Implementation, 3rd edition. See the version of config.h in the full
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| 21 | * source code directory for information on alternatives omitted here.
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| 22 | */
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| 23 |
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| 24 | /* The MACHINE (called _MINIX_MACHINE) setting can be done
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| 25 | * in <minix/machine.h>.
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| 26 | */
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| 27 | #include <minix/sys_config.h>
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| 28 |
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| 29 | #define MACHINE _MINIX_MACHINE
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| 30 |
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| 31 | #define IBM_PC _MACHINE_IBM_PC
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| 32 | #define SUN_4 _MACHINE_SUN_4
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| 33 | #define SUN_4_60 _MACHINE_SUN_4_60
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| 34 | #define ATARI _MACHINE_ATARI
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| 35 | #define MACINTOSH _MACHINE_MACINTOSH
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| 36 |
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| 37 | /* Number of slots in the process table for non-kernel processes. The number
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| 38 | * of system processes defines how many processes with special privileges
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| 39 | * there can be. User processes share the same properties and count for one.
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| 40 | *
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| 41 | * These can be changed in sys_config.h.
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| 42 | */
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| 43 | #define NR_PROCS _NR_PROCS
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| 44 | #define NR_SYS_PROCS _NR_SYS_PROCS
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| 45 |
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| 46 | #define NR_BUFS 128
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| 47 | #define NR_BUF_HASH 128
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| 48 |
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| 49 | /* Number of controller tasks (/dev/cN device classes). */
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| 50 | #define NR_CTRLRS 2
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| 51 |
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| 52 | /* Enable or disable the second level file system cache on the RAM disk. */
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| 53 | #define ENABLE_CACHE2 0
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| 54 |
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| 55 | /* Enable or disable swapping processes to disk. */
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| 56 | #define ENABLE_SWAP 0
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| 57 |
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| 58 | /* Include or exclude an image of /dev/boot in the boot image.
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| 59 | * Please update the makefile in /usr/src/tools/ as well.
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| 60 | */
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| 61 | #define ENABLE_BOOTDEV 0 /* load image of /dev/boot at boot time */
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| 62 |
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| 63 | /* DMA_SECTORS may be increased to speed up DMA based drivers. */
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| 64 | #define DMA_SECTORS 1 /* DMA buffer size (must be >= 1) */
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| 65 |
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| 66 | /* Include or exclude backwards compatibility code. */
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| 67 | #define ENABLE_BINCOMPAT 0 /* for binaries using obsolete calls */
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| 68 | #define ENABLE_SRCCOMPAT 0 /* for sources using obsolete calls */
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| 69 |
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| 70 | /* Which process should receive diagnostics from the kernel and system?
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| 71 | * Directly sending it to TTY only displays the output. Sending it to the
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| 72 | * log driver will cause the diagnostics to be buffered and displayed.
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| 73 | */
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| 74 | #define OUTPUT_PROC_NR LOG_PROC_NR /* TTY_PROC_NR or LOG_PROC_NR */
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| 75 |
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| 76 | /* NR_CONS, NR_RS_LINES, and NR_PTYS determine the number of terminals the
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| 77 | * system can handle.
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| 78 | */
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| 79 | #define NR_CONS 4 /* # system consoles (1 to 8) */
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| 80 | #define NR_RS_LINES 0 /* # rs232 terminals (0 to 4) */
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| 81 | #define NR_PTYS 0 /* # pseudo terminals (0 to 64) */
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| 82 |
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| 83 | /*===========================================================================*
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| 84 | * There are no user-settable parameters after this line *
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| 85 | *===========================================================================*/
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| 86 | /* Set the CHIP type based on the machine selected. The symbol CHIP is actually
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| 87 | * indicative of more than just the CPU. For example, machines for which
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| 88 | * CHIP == INTEL are expected to have 8259A interrrupt controllers and the
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| 89 | * other properties of IBM PC/XT/AT/386 types machines in general. */
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| 90 | #define INTEL _CHIP_INTEL /* CHIP type for PC, XT, AT, 386 and clones */
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| 91 | #define M68000 _CHIP_M68000 /* CHIP type for Atari, Amiga, Macintosh */
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| 92 | #define SPARC _CHIP_SPARC /* CHIP type for SUN-4 (e.g. SPARCstation) */
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| 93 |
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| 94 | /* Set the FP_FORMAT type based on the machine selected, either hw or sw */
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| 95 | #define FP_NONE _FP_NONE /* no floating point support */
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| 96 | #define FP_IEEE _FP_IEEE /* conform IEEE floating point standard */
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| 97 |
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| 98 | /* _MINIX_CHIP is defined in sys_config.h. */
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| 99 | #define CHIP _MINIX_CHIP
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| 100 |
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| 101 | /* _MINIX_FP_FORMAT is defined in sys_config.h. */
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| 102 | #define FP_FORMAT _MINIX_FP_FORMAT
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| 103 |
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| 104 | /* _ASKDEV and _FASTLOAD are defined in sys_config.h. */
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| 105 | #define ASKDEV _ASKDEV
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| 106 | #define FASTLOAD _FASTLOAD
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| 107 |
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| 108 | #endif /* _CONFIG_H */
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