Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/include/minix/sys_config.h
Version:
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1 #ifndef _MINIX_SYS_CONFIG_H 2 #define _MINIX_SYS_CONFIG_H 1 3 4 /*===========================================================================* 5 * This section contains user-settable parameters * 6 *===========================================================================*/ 7 #define _MINIX_MACHINE _MACHINE_IBM_PC 8 9 #define _MACHINE_IBM_PC 1 /* any 8088 or 80x86-based system */ 10 #define _MACHINE_SUN_4 40 /* any Sun SPARC-based system */ 11 #define _MACHINE_SUN_4_60 40 /* Sun-4/60 (aka SparcStation 1 or Campus) */ 12 #define _MACHINE_ATARI 60 /* ATARI ST/STe/TT (68000/68030) */ 13 #define _MACHINE_MACINTOSH 62 /* Apple Macintosh (68000) */ 14 15 /* Word size in bytes (a constant equal to sizeof(int)). */ 16 #if __ACK__ || __GNUC__ 17 #define _WORD_SIZE _EM_WSIZE 18 #define _PTR_SIZE _EM_WSIZE 19 #endif 20 21 #define _NR_PROCS 100 22 #define _NR_SYS_PROCS 32 23 #define _NR_HOLES (2*_NR_PROCS+4) /* No. of memory holes maintained by PM */ 24 25 /* Set the CHIP type based on the machine selected. The symbol CHIP is actually 26 * indicative of more than just the CPU. For example, machines for which 27 * CHIP == INTEL are expected to have 8259A interrrupt controllers and the 28 * other properties of IBM PC/XT/AT/386 types machines in general. */ 29 #define _CHIP_INTEL 1 /* CHIP type for PC, XT, AT, 386 and clones */ 30 #define _CHIP_M68000 2 /* CHIP type for Atari, Amiga, Macintosh */ 31 #define _CHIP_SPARC 3 /* CHIP type for SUN-4 (e.g. SPARCstation) */ 32 33 /* Set the FP_FORMAT type based on the machine selected, either hw or sw */ 34 #define _FP_NONE 0 /* no floating point support */ 35 #define _FP_IEEE 1 /* conform IEEE floating point standard */ 36 37 #if (_MINIX_MACHINE == _MACHINE_IBM_PC) 38 #define _MINIX_CHIP _CHIP_INTEL 39 #endif 40 41 #if (_MINIX_MACHINE == _MACHINE_ATARI) || (_MINIX_MACHINE == _MACHINE_MACINTOSH) 42 #define _MINIX_CHIP _CHIP_M68000 43 #endif 44 45 #if (_MINIX_MACHINE == _MACHINE_SUN_4) || (_MINIX_MACHINE == _MACHINE_SUN_4_60) 46 #define _MINIX_CHIP _CHIP_SPARC 47 #define _MINIX_FP_FORMAT _FP_IEEE 48 #endif 49 50 #if (_MINIX_MACHINE == _MACHINE_ATARI) || (_MINIX_MACHINE == _MACHINE_SUN_4) 51 #define _ASKDEV 1 /* ask for boot device */ 52 #define _FASTLOAD 1 /* use multiple block transfers to init ram */ 53 #endif 54 55 #ifndef _MINIX_FP_FORMAT 56 #define _MINIX_FP_FORMAT _FP_NONE 57 #endif 58 59 #ifndef _MINIX_MACHINE 60 error "In <minix/sys_config.h> please define _MINIX_MACHINE" 61 #endif 62 63 #ifndef _MINIX_CHIP 64 error "In <minix/sys_config.h> please define _MINIX_MACHINE to have a legal value" 65 #endif 66 67 #if (_MINIX_MACHINE == 0) 68 error "_MINIX_MACHINE has incorrect value (0)" 69 #endif 70 71 #endif /* _MINIX_SYS_CONFIG_H */
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