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1.1 root 1: /*
2: * Some useful and miscellaneous things.
3: */
4: #ifndef COHERENT_H
5: #define COHERENT_H COHERENT_H
6:
7: #define KERNEL
8: #include <sys/types.h>
9: #include <sys/timeout.h>
10: #include <sys/param.h>
11: #include <sys/fun.h>
12: #include <sys/mmu.h>
13: #include <sys/uproc.h>
14: #ifdef _I386
15: #include <sys/reg.h>
16: #else
17: #include <sys/machine.h>
18: #define v_sleep(a1,a2,a3,a4,a5) sleep(a1,a2,a3,a4)
19: #endif
20:
21: #ifdef TRACER
22: #include <sys/mwc_coherent.h>
23: #else
24: #define SET_U_ERROR(errno, msg) { u.u_error = errno; }
25: #define T_HAL(f,c)
26: #define T_PIGGY(f,c)
27: #define T_VLAD(f,c)
28: #define T_CON(f,c)
29: #define T_MSGQ(f,c)
30: #endif /* TRACER */
31:
32: #ifdef _I386
33: #define CHIRP(ch) chirp(ch)
34: #define _CHIRP(ch, locn) _chirp(ch, locn)
35: #if 1
36: #define kclear(buf, nbytes) memset(buf, 0, nbytes)
37: #define kkcopy(src, dest, nbytes) (memcpy(dest, src, nbytes),nbytes)
38: #endif
39: #else
40: #define CHIRP(ch)
41: #define _CHIRP(ch, locn)
42: #endif
43:
44: /*
45: * Null
46: */
47: #ifndef NULL /* machine.h doesn't have any ideas */
48: #define NULL 0
49: #endif
50:
51: /*
52: * Storage management functions.
53: */
54: extern char *alloc();
55: #define kalloc(n) alloc(allkp, n)
56: #define kfree(p) free(p)
57:
58: /*
59: * Functions for copying between kernel and segments.
60: */
61: #define kscopy(k, s, o, n) kpcopy(k, s->s_paddr+o, n)
62: #define skcopy(s, o, k, n) pkcopy(s->s_paddr+o, k, n)
63:
64: /*
65: * Time of day structure.
66: */
67: typedef struct TIME {
68: time_t t_time; /* Time and date */
69: int t_tick; /* Clock ticks into this second */
70: int t_zone; /* Time zone */
71: int t_dstf; /* Daylight saving time used */
72: } TIME;
73:
74: /*
75: * General global variables.
76: */
77: extern int debflag; /* General debug flag */
78: extern int batflag; /* Turn on clock flag */
79: extern int outflag; /* Device timeouts */
80: extern int ttyflag; /* Console is present */
81: extern int mactype; /* Machine type */
82: extern unsigned utimer; /* Unsigned timer */
83: extern long lbolt; /* Clock ticks since system startup */
84: extern TIM stimer; /* Swap timer */
85: extern unsigned msize; /* Memory size in K */
86: extern unsigned asize; /* Alloc size in bytes */
87: extern TIME timer; /* Current time */
88: extern char *icodep; /* Init code start */
89: extern int icodes; /* Init code size */
90: extern dev_t rootdev; /* Root device */
91: extern dev_t swapdev; /* Swap device */
92: extern dev_t pipedev; /* Pipe device */
93: extern paddr_t corebot; /* Bottom of core */
94: extern paddr_t coretop; /* Top of core */
95: extern paddr_t holebot; /* Bottom of I/O memory */
96: extern paddr_t holetop; /* Top of I/O memory */
97: extern daddr_t swapbot; /* Bottom of swap */
98: extern daddr_t swaptop; /* Top of swap */
99: extern paddr_t clistp; /* Base of clists */
100: extern struct all *allkp; /* Alloc space */
101: extern int NSLOT; /* Num of loadable driver data slots */
102: extern int slotsz; /* Size of loadable driver data slot */
103: extern int * slotp; /* Loadable driver pids/data space */
104: extern int (*altclk)(); /* hook for polled devices */
105: extern UPROC u; /* Current user area. */
106:
107: #ifdef _I386
108:
109: extern unsigned total_mem; /* Total physical memory in bytes. */
110: extern SR blockp; /* Base of buffers */
111: extern SR allocp;
112: extern int dev_loaded;
113: extern int DUMP_LIM;
114:
115: #else
116:
117: extern char *idatap; /* Init data start */
118: extern int idatas; /* Init data size */
119: extern paddr_t blockp; /* Base of buffers */
120: extern int altsel; /* for far polling, this is selector */
121: /* ... for altclk; for near polling, */
122: /* ... this is zero */
123: extern int is_ps; /* 1 if running on a PS/2 */
124:
125: #endif
126: #endif /* COHERENT_H */
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