blob: 658e639d7b37b28b64cb75834117ae914b8fefc6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
typedef struct Lock Lock;
typedef struct Label Label;
typedef struct Ureg Ureg;
typedef struct Mach Mach;
typedef struct FPsave FPsave;
typedef struct Notsave Notsave;
typedef struct PMMU PMMU;
typedef struct Confmem Confmem;
typedef struct Conf Conf;
typedef struct Proc Proc;
typedef struct ISAConf ISAConf;
typedef uvlong Tval;
typedef void KMap;
#define VA(k) ((uintptr)(k))
#define kmap(p) (KMap*)((p)->pa|kseg0)
#define kunmap(k)
#pragma incomplete Ureg
struct Lock
{
ulong key;
u32int sr;
uintptr pc;
Proc* p;
Mach* m;
int isilock;
};
struct Label
{
ulong sp;
ulong pc;
};
struct FPsave
{
ulong status;
ulong control;
ulong regs[8][3];
int fpstate;
};
enum
{
FPinit,
FPactive,
FPinactive,
};
struct Notsave
{
int emptiness;
};
struct PMMU
{
ulong l1[USTKTOP / MiB];
};
#include "../port/portdat.h"
struct Mach
{
int machno; /* physical id of processor */
uintptr splpc; /* pc of last caller to splhi */
Proc* proc; /* current process */
Proc* externup;
int flushmmu; /* flush current proc mmu state */
ulong ticks; /* of the clock since boot time */
Label sched; /* scheduler wakeup */
Lock alarmlock; /* access to alarm list */
void* alarm; /* alarms bound to this clock */
int inclockintr;
Proc* readied; /* for runproc */
ulong schedticks; /* next forced context switch */
int cputype;
ulong delayloop;
/* stats */
int tlbfault;
int tlbpurge;
int pfault;
int cs;
int syscall;
int load;
int intr;
uvlong fastclock; /* last sampled value */
uvlong inidle; /* time spent in idlehands() */
ulong spuriousintr;
int lastintr;
int ilockdepth;
Perf perf;
uvlong cyclefreq; /* Frequency of user readable cycle counter */
};
struct Confmem
{
uintptr base;
usize npage;
uintptr limit;
uintptr kbase;
uintptr klimit;
};
struct Conf
{
ulong nmach; /* processors */
ulong nproc; /* processes */
Confmem mem[1]; /* physical memory */
ulong npage; /* total physical pages of memory */
usize upages; /* user page pool */
ulong copymode; /* 0 is copy on write, 1 is copy on reference */
ulong ialloc; /* max interrupt time allocation in bytes */
ulong pipeqsize; /* size in bytes of pipe queues */
ulong nimage; /* number of page cache image headers */
ulong nswap; /* number of swap pages */
int nswppo; /* max # of pageouts per segment pass */
ulong hz; /* processor cycle freq */
ulong mhz;
int monitor; /* flag */
};
struct
{
Lock;
int machs; /* bitmap of active CPUs */
int exiting; /* shutdown */
}active;
extern Mach *m;
#define up (((Mach*)MACHADDR)->externup)
extern Mach* machaddr[MAXMACH];
#define MACHP(n) (machaddr[n])
extern uintptr kseg0;
#define AOUT_MAGIC (E_MAGIC)
#define NCOLOR 1
struct ISAConf
{
char *type;
ulong port, irq;
};
|
