xref: /plan9-contrib/sys/src/libmach/6.c (revision e5469245ab0c4676e29069ebf65e488c452f23cd)
1 /*
2  * amd64 definition
3  */
4 #include <u.h>
5 #include <libc.h>
6 #include <bio.h>
7 #include "/amd64/include/ureg.h"
8 #include <mach.h>
9 
10 #define	REGOFF(x)	offsetof(struct Ureg, x)
11 
12 #define	REGSIZE		sizeof(struct Ureg)
13 #define FP_CTLS(x)	(REGSIZE+2*(x))
14 #define FP_CTL(x)	(REGSIZE+4*(x))
15 #define FP_REG(x)	(FP_CTL(8)+16*(x))
16 #define XM_REG(x)	(FP_CTL(8)+8*16+16*(x))
17 
18 #define	FPREGSIZE	512	/* TO DO? currently only 0x1A0 used */
19 
20 Reglist amd64reglist[] = {
21 	{"AX",		REGOFF(ax),	RINT, 'Y'},
22 	{"BX",		REGOFF(bx),	RINT, 'Y'},
23 	{"CX",		REGOFF(cx),	RINT, 'Y'},
24 	{"DX",		REGOFF(dx),	RINT, 'Y'},
25 	{"SI",		REGOFF(si),	RINT, 'Y'},
26 	{"DI",		REGOFF(di),	RINT, 'Y'},
27 	{"BP",		REGOFF(bp),	RINT, 'Y'},
28 	{"R8",		REGOFF(r8),	RINT, 'Y'},
29 	{"R9",		REGOFF(r9),	RINT, 'Y'},
30 	{"R10",		REGOFF(r10),	RINT, 'Y'},
31 	{"R11",		REGOFF(r11),	RINT, 'Y'},
32 	{"R12",		REGOFF(r12),	RINT, 'Y'},
33 	{"R13",		REGOFF(r13),	RINT, 'Y'},
34 	{"R14",		REGOFF(r14),	RINT, 'Y'},
35 	{"R15",		REGOFF(r15),	RINT, 'Y'},
36 	{"DS",		REGOFF(ds),	RINT, 'x'},
37 	{"ES",		REGOFF(es),	RINT, 'x'},
38 	{"FS",		REGOFF(fs),	RINT, 'x'},
39 	{"GS",		REGOFF(gs),	RINT, 'x'},
40 	{"TYPE",	REGOFF(type), 	RINT, 'Y'},
41 	{"TRAP",	REGOFF(type), 	RINT, 'Y'},	/* alias for acid */
42 	{"ERROR",	REGOFF(error),	RINT, 'Y'},
43 	{"IP",		REGOFF(ip),	RINT, 'Y'},
44 	{"PC",		REGOFF(ip),	RINT, 'Y'},	/* alias for acid */
45 	{"CS",		REGOFF(cs),	RINT, 'Y'},
46 	{"FLAGS",	REGOFF(flags),	RINT, 'Y'},
47 	{"SP",		REGOFF(sp),	RINT, 'Y'},
48 	{"SS",		REGOFF(ss),	RINT, 'Y'},
49 
50 	{"FCW",		FP_CTLS(0),	RFLT, 'x'},
51 	{"FSW",		FP_CTLS(1),	RFLT, 'x'},
52 	{"FTW",		FP_CTLS(2),	RFLT, 'b'},
53 	{"FOP",		FP_CTLS(3),	RFLT, 'x'},
54 	{"RIP",		FP_CTL(2),	RFLT, 'Y'},
55 	{"RDP",		FP_CTL(4),	RFLT, 'Y'},
56 	{"MXCSR",	FP_CTL(6),	RFLT, 'X'},
57 	{"MXCSRMASK",	FP_CTL(7),	RFLT, 'X'},
58 	{"M0",		FP_REG(0),	RFLT, 'F'},	/* assumes double */
59 	{"M1",		FP_REG(1),	RFLT, 'F'},
60 	{"M2",		FP_REG(2),	RFLT, 'F'},
61 	{"M3",		FP_REG(3),	RFLT, 'F'},
62 	{"M4",		FP_REG(4),	RFLT, 'F'},
63 	{"M5",		FP_REG(5),	RFLT, 'F'},
64 	{"M6",		FP_REG(6),	RFLT, 'F'},
65 	{"M7",		FP_REG(7),	RFLT, 'F'},
66 	{"X0",		XM_REG(0),	RFLT, 'F'},	/* assumes double */
67 	{"X1",		XM_REG(1),	RFLT, 'F'},
68 	{"X2",		XM_REG(2),	RFLT, 'F'},
69 	{"X3",		XM_REG(3),	RFLT, 'F'},
70 	{"X4",		XM_REG(4),	RFLT, 'F'},
71 	{"X5",		XM_REG(5),	RFLT, 'F'},
72 	{"X6",		XM_REG(6),	RFLT, 'F'},
73 	{"X7",		XM_REG(7),	RFLT, 'F'},
74 	{"X8",		XM_REG(8),	RFLT, 'F'},
75 	{"X9",		XM_REG(9),	RFLT, 'F'},
76 	{"X10",		XM_REG(10),	RFLT, 'F'},
77 	{"X11",		XM_REG(11),	RFLT, 'F'},
78 	{"X12",		XM_REG(12),	RFLT, 'F'},
79 	{"X13",		XM_REG(13),	RFLT, 'F'},
80 	{"X14",		XM_REG(14),	RFLT, 'F'},
81 	{"X15",		XM_REG(15),	RFLT, 'F'},
82 	{"X16",		XM_REG(16),	RFLT, 'F'},
83 /*
84 	{"F0",		FP_REG(7),	RFLT, '3'},
85 	{"F1",		FP_REG(6),	RFLT, '3'},
86 	{"F2",		FP_REG(5),	RFLT, '3'},
87 	{"F3",		FP_REG(4),	RFLT, '3'},
88 	{"F4",		FP_REG(3),	RFLT, '3'},
89 	{"F5",		FP_REG(2),	RFLT, '3'},
90 	{"F6",		FP_REG(1),	RFLT, '3'},
91 	{"F7",		FP_REG(0),	RFLT, '3'},
92 */
93 	{  0 }
94 };
95 
96 Mach mamd64=
97 {
98 	"amd64",
99 	MAMD64,			/* machine type */
100 	amd64reglist,		/* register list */
101 	REGSIZE,		/* size of registers in bytes */
102 	FPREGSIZE,		/* size of fp registers in bytes */
103 	"PC",			/* name of PC */
104 	"SP",			/* name of SP */
105 	0,			/* link register */
106 	"setSB",		/* static base register name (bogus anyways) */
107 	0,			/* static base register value */
108 	0x1000,			/* page size */
109 	0xfffffffff0110000ull,	/* kernel base */
110 	0xffff800000000000ull,	/* kernel text mask */
111 	0x00007ffffffff000ull,	/* user stack top */
112 	1,			/* quantization of pc */
113 	8,			/* szaddr */
114 	4,			/* szreg */
115 	4,			/* szfloat */
116 	8,			/* szdouble */
117 };
118