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