summaryrefslogtreecommitdiff
path: root/sys/src/9/cycv/dat.h
blob: 81639681da250ffb349f0fe23c7196b78eecf136 (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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
typedef struct Conf	Conf;
typedef struct Confmem	Confmem;
typedef struct FPsave	FPsave;
typedef struct PFPU	PFPU;
typedef struct L1	L1;
typedef struct Label	Label;
typedef struct Lock	Lock;
typedef struct KMap	KMap;
typedef struct MMMU	MMMU;
typedef struct Mach	Mach;
typedef struct Page	Page;
typedef struct Proc	Proc;
typedef struct PMMU	PMMU;
typedef struct Ureg	Ureg;
typedef struct ISAConf	ISAConf;
typedef struct DMAC	DMAC;
typedef uvlong		Tval;

#pragma incomplete Ureg

#define MAXSYSARG	5	/* for mount(fd, mpt, flag, arg, srv) */

#define AOUT_MAGIC	(E_MAGIC)

struct Lock
{
	ulong	key;
	u32int	sr;
	uintptr	pc;
	Proc*	p;
	Mach*	m;
	int	isilock;
};

struct Label
{
	uintptr	sp;
	uintptr	pc;
};

struct FPsave
{
	ulong	exc, scr;
	uchar	regs[256];
};

struct PFPU
{
	int	fpstate;
	FPsave	fpsave[1];
};

enum
{
	FPinit,
	FPactive,
	FPinactive,
	FPillegal = 0x100
};

struct Confmem
{
	uintptr	base;
	usize	npage;
	uintptr	kbase;
	uintptr	klimit;
};

struct Conf
{
	ulong	nmach;		/* processors */
	ulong	nproc;		/* processes */
	Confmem	mem[2];		/* 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 */
	int	monitor;
};

/*
 *  MMU stuff in proc
 */
#define NCOLOR	1

struct PMMU
{
	L1 *l1;
	Page *mmuused, *mmufree;
	
	int nkmap;
	Page *kmaptable;
};

#include "../port/portdat.h"

struct L1
{
	Ref;
	uintptr pa;
	ulong *va;
	L1 *next;
};

struct MMMU
{
	L1 l1;
	L1 *l1free;
	int nfree;
	uchar asid;
};

struct Mach
{
	/* known to assembly */
	int	machno;			/* physical id of processor */
	uintptr	splpc;			/* pc of last caller to splhi */
	Proc*	proc;			/* current process */
	ulong	excregs[3];
	ulong	cycleshi;
	/* end of known to assembly */

	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 */

	ulong	delayloop;

	/* stats */
	int	tlbfault;
	int	tlbpurge;
	int	pfault;
	int	cs;
	int	syscall;
	int	load;
	int	intr;
	int	lastintr;
	int	ilockdepth;
	Perf	perf;			/* performance counters */


	int	cpumhz;
	uvlong	cpuhz;			/* speed of cpu */
	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
	
	MMMU;

	int	stack[1];
};

#define NISAOPT		8
struct ISAConf
{
	char	*type;
	ulong	port;
	int	irq;
	int	nopt;
	char	*opt[NISAOPT];
};
#define BUSUNKNOWN -1

struct
{
	char	machs[MAXMACH];		/* active CPUs */
	int	exiting;		/* shutdown */
}active;

extern register Mach* m;			/* R10 */
extern register Proc* up;			/* R9 */

extern int normalprint;

void nope(void);
#define NOPE nope();

/*
 *  hardware info about a device
 */
typedef struct {
	ulong	port;
	int	size;
} Devport;

struct DevConf
{
	ulong	intnum;			/* interrupt number */
	char	*type;			/* card type, malloced */
	int	nports;			/* Number of ports */
	Devport	*ports;			/* The ports themselves */
};

#define mpcore ((ulong*)MPCORE_BASE)
#define resetmgr ((ulong*)RESETMGR_BASE)
#define sysmgr ((ulong*)SYSMGR_BASE)
#define l3 ((ulong*)L3_BASE)

/*dmacopy*/
#define SRC_INC (1<<0)
#define DST_INC (1<<14)