135 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			135 lines
		
	
	
		
			5.0 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
| #ifndef _CONFIG_H
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| #define _CONFIG_H
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| 
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| /* Minix release and version numbers. */
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| #define OS_RELEASE "3"
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| #define OS_VERSION "1.3"
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| 
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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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| 
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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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| 
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| #define MACHINE      _MINIX_MACHINE
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| 
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| #define IBM_PC       _MACHINE_IBM_PC
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| #define SUN_4        _MACHINE_SUN_4
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| #define SUN_4_60     _MACHINE_SUN_4_60
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| #define ATARI        _MACHINE_ATARI
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| #define MACINTOSH    _MACHINE_MACINTOSH
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| 
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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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| 
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| #if _MINIX_SMALL
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| 
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| #define NR_BUFS	100
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| #define NR_BUF_HASH 128
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| 
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| #else
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| 
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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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| 
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| #if (MACHINE == IBM_PC && _WORD_SIZE == 4)
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| #define NR_BUFS         1200	/* # 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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| 
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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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| 
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| #endif	/* _MINIX_SMALL */
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| 
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| /* Number of controller tasks (/dev/cN device classes). */
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| #define NR_CTRLRS          2
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| 
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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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| 
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| /* Enable or disable swapping processes to disk. */
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| #define ENABLE_SWAP	   0
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| 
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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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| 
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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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| 
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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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| 
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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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| /* 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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| 
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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             _CHIP_INTEL	/* CHIP type for PC, XT, AT, 386 and clones */
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| #define M68000            _CHIP_M68000	/* CHIP type for Atari, Amiga, Macintosh    */
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| #define SPARC             _CHIP_SPARC	/* CHIP type for SUN-4 (e.g. SPARCstation)  */
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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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| 
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| /* _MINIX_CHIP is defined in sys_config.h. */
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| #define CHIP	_MINIX_CHIP
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| 
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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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| 
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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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| 
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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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| 
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| #endif /* _CONFIG_H */
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