[4] | 1 | #ifndef _MINIX_SYS_CONFIG_H
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| 2 | #define _MINIX_SYS_CONFIG_H 1
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| 3 |
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| 4 | /* This is a modified sys_config.h for compiling a small Minix system
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| 5 | * with only the options described in the text, Operating Systems Design and
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| 6 | * Implementation, 3rd edition. See the sys_config.h in the full
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| 7 | * source code directory for information on alternatives omitted here.
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| 8 | */
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| 9 |
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| 10 | /*===========================================================================*
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| 11 | * This section contains user-settable parameters *
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| 12 | *===========================================================================*/
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| 13 | #define _MINIX_MACHINE _MACHINE_IBM_PC
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| 14 |
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| 15 | #define _MACHINE_IBM_PC 1 /* any 8088 or 80x86-based system */
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| 16 |
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| 17 | /* Word size in bytes (a constant equal to sizeof(int)). */
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| 18 | #if __ACK__ || __GNUC__
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| 19 | #define _WORD_SIZE _EM_WSIZE
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| 20 | #define _PTR_SIZE _EM_WSIZE
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| 21 | #endif
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| 22 |
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| 23 | #define _NR_PROCS 64
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| 24 | #define _NR_SYS_PROCS 32
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| 25 |
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| 26 | /* Set the CHIP type based on the machine selected. The symbol CHIP is actually
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| 27 | * indicative of more than just the CPU. For example, machines for which
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| 28 | * CHIP == INTEL are expected to have 8259A interrrupt controllers and the
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| 29 | * other properties of IBM PC/XT/AT/386 types machines in general. */
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| 30 | #define _CHIP_INTEL 1 /* CHIP type for PC, XT, AT, 386 and clones */
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| 31 |
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| 32 | /* Set the FP_FORMAT type based on the machine selected, either hw or sw */
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| 33 | #define _FP_NONE 0 /* no floating point support */
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| 34 | #define _FP_IEEE 1 /* conform IEEE floating point standard */
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| 35 |
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| 36 | #define _MINIX_CHIP _CHIP_INTEL
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| 37 |
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| 38 | #define _MINIX_FP_FORMAT _FP_NONE
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| 39 |
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| 40 | #ifndef _MINIX_MACHINE
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| 41 | error "In <minix/sys_config.h> please define _MINIX_MACHINE"
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| 42 | #endif
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| 43 |
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| 44 | #ifndef _MINIX_CHIP
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| 45 | error "In <minix/sys_config.h> please define _MINIX_MACHINE to have a legal value"
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| 46 | #endif
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| 47 |
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| 48 | #if (_MINIX_MACHINE == 0)
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| 49 | error "_MINIX_MACHINE has incorrect value (0)"
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| 50 | #endif
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| 51 |
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| 52 | #endif /* _MINIX_SYS_CONFIG_H */
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| 53 |
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| 54 |
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