xref: /plan9/sys/src/libmach/alpha.c (revision eaba85aa6b158bdf68fdb77f770e3ba0899a8b5e)
1 /*
2  * alpha definition
3  */
4 #include <u.h>
5 #include <libc.h>
6 #include <bio.h>
7 #include "alpha/ureg.h"
8 #include <mach.h>
9 
10 #define	REGOFF(x)	(ulong)(&((struct Ureg *) 0)->x)
11 
12 #define	REGSIZE		sizeof(struct Ureg)
13 #define	FPREGSIZE	(8*33)
14 
15 #define	SP		REGOFF(sp)
16 #define	PC		REGOFF(pc)
17 #define	FP_REG(x)	(REGSIZE+8*(x))
18 
19 Reglist alphareglist[] = {
20 	{"STATUS",	REGOFF(status),	RINT|RRDONLY, 'W'},
21 	{"TYPE",	REGOFF(type),	RINT|RRDONLY, 'W'},
22 	{"A0",	REGOFF(a0),	RINT|RRDONLY, 'W'},
23 	{"A1",	REGOFF(a1),	RINT|RRDONLY, 'W'},
24 	{"A2",		REGOFF(a2),	RINT|RRDONLY, 'W'},
25 	{"PC",		PC,	RINT, 'X'},
26 	{"SP",		SP,	RINT, 'X'},
27 	{"R29",		REGOFF(r29),	RINT, 'W'},
28 	{"R28",		REGOFF(r28),	RINT, 'W'},
29 	{"R27",		REGOFF(r27),	RINT, 'W'},
30 	{"R26",		REGOFF(r26),	RINT, 'W'},
31 	{"R25",		REGOFF(r25),	RINT, 'W'},
32 	{"R24",		REGOFF(r24),	RINT, 'W'},
33 	{"R23",		REGOFF(r23),	RINT, 'W'},
34 	{"R22",		REGOFF(r22),	RINT, 'W'},
35 	{"R21",		REGOFF(r21),	RINT, 'W'},
36 	{"R20",		REGOFF(r20),	RINT, 'W'},
37 	{"R19",		REGOFF(r19),	RINT, 'W'},
38 	{"R18",		REGOFF(r18),	RINT, 'W'},
39 	{"R17",		REGOFF(r17),	RINT, 'W'},
40 	{"R16",		REGOFF(r16),	RINT, 'W'},
41 	{"R15",		REGOFF(r15),	RINT, 'W'},
42 	{"R14",		REGOFF(r14),	RINT, 'W'},
43 	{"R13",		REGOFF(r13),	RINT, 'W'},
44 	{"R12",		REGOFF(r12),	RINT, 'W'},
45 	{"R11",		REGOFF(r11),	RINT, 'W'},
46 	{"R10",		REGOFF(r10),	RINT, 'W'},
47 	{"R9",		REGOFF(r9),	RINT, 'W'},
48 	{"R8",		REGOFF(r8),	RINT, 'W'},
49 	{"R7",		REGOFF(r7),	RINT, 'W'},
50 	{"R6",		REGOFF(r6),	RINT, 'W'},
51 	{"R5",		REGOFF(r5),	RINT, 'W'},
52 	{"R4",		REGOFF(r4),	RINT, 'W'},
53 	{"R3",		REGOFF(r3),	RINT, 'W'},
54 	{"R2",		REGOFF(r2),	RINT, 'W'},
55 	{"R1",		REGOFF(r1),	RINT, 'W'},
56 	{"R0",		REGOFF(r0),	RINT, 'W'},
57 	{"F0",		FP_REG(0),	RFLT, 'F'},
58 	{"F1",		FP_REG(1),	RFLT, 'F'},
59 	{"F2",		FP_REG(2),	RFLT, 'F'},
60 	{"F3",		FP_REG(3),	RFLT, 'F'},
61 	{"F4",		FP_REG(4),	RFLT, 'F'},
62 	{"F5",		FP_REG(5),	RFLT, 'F'},
63 	{"F6",		FP_REG(6),	RFLT, 'F'},
64 	{"F7",		FP_REG(7),	RFLT, 'F'},
65 	{"F8",		FP_REG(8),	RFLT, 'F'},
66 	{"F9",		FP_REG(9),	RFLT, 'F'},
67 	{"F10",		FP_REG(10),	RFLT, 'F'},
68 	{"F11",		FP_REG(11),	RFLT, 'F'},
69 	{"F12",		FP_REG(12),	RFLT, 'F'},
70 	{"F13",		FP_REG(13),	RFLT, 'F'},
71 	{"F14",		FP_REG(14),	RFLT, 'F'},
72 	{"F15",		FP_REG(15),	RFLT, 'F'},
73 	{"F16",		FP_REG(16),	RFLT, 'F'},
74 	{"F17",		FP_REG(17),	RFLT, 'F'},
75 	{"F18",		FP_REG(18),	RFLT, 'F'},
76 	{"F19",		FP_REG(19),	RFLT, 'F'},
77 	{"F20",		FP_REG(20),	RFLT, 'F'},
78 	{"F21",		FP_REG(21),	RFLT, 'F'},
79 	{"F22",		FP_REG(22),	RFLT, 'F'},
80 	{"F23",		FP_REG(23),	RFLT, 'F'},
81 	{"F24",		FP_REG(24),	RFLT, 'F'},
82 	{"F25",		FP_REG(25),	RFLT, 'F'},
83 	{"F26",		FP_REG(26),	RFLT, 'F'},
84 	{"F27",		FP_REG(27),	RFLT, 'F'},
85 	{"F28",		FP_REG(28),	RFLT, 'F'},
86 	{"F29",		FP_REG(29),	RFLT, 'F'},
87 	{"F30",		FP_REG(30),	RFLT, 'F'},
88 	{"F31",		FP_REG(31),	RFLT, 'F'},
89 	{"FPCR",		FP_REG(32),	RFLT, 'W'},
90 	{  0 }
91 };
92 
93 	/* the machine description */
94 Mach malpha =
95 {
96 	"alpha",
97 	MALPHA,		/* machine type */
98 	alphareglist,	/* register set */
99 	REGSIZE,	/* number of bytes in reg set */
100 	FPREGSIZE,	/* number of bytes in fp reg set */
101 	"PC",
102 	"SP",
103 	"R29",
104 	"setSB",	/* static base register name */
105 	0,		/* static base register value */
106 	0x2000,		/* page size */
107 	0x80000000ULL,	/* kernel base */
108 	0xF0000000ULL,	/* kernel text mask */
109 	0x7FFFFFFFULL,	/* user stack top */
110 	4,		/* quantization of pc */
111 	4,		/* szaddr */
112 	8,		/* szreg (not used?) */
113 	4,		/* szfloat */
114 	8,		/* szdouble */
115 };
116