1 // Inferno libmach/5.c
2 // http://code.google.com/p/inferno-os/source/browse/utils/libmach/5.c
3 //
4 // Copyright © 1994-1999 Lucent Technologies Inc.
5 // Power PC support Copyright © 1995-2004 C H Forsyth (forsyth@terzarima.net).
6 // Portions Copyright © 1997-1999 Vita Nuova Limited.
7 // Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com).
8 // Revisions Copyright © 2000-2004 Lucent Technologies Inc. and others.
9 // Portions Copyright © 2009 The Go Authors. All rights reserved.
10 //
11 // Permission is hereby granted, free of charge, to any person obtaining a copy
12 // of this software and associated documentation files (the "Software"), to deal
13 // in the Software without restriction, including without limitation the rights
14 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 // copies of the Software, and to permit persons to whom the Software is
16 // furnished to do so, subject to the following conditions:
17 //
18 // The above copyright notice and this permission notice shall be included in
19 // all copies or substantial portions of the Software.
20 //
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 // THE SOFTWARE.
28
29 /*
30 * arm definition
31 */
32 #include <u.h>
33 #include <libc.h>
34 #include <bio.h>
35 #include "ureg_arm.h"
36 #include <mach.h>
37
38 #define REGOFF(x) (uintptr) (&((struct Ureg *) 0)->x)
39
40 #define SP REGOFF(r13)
41 #define PC REGOFF(pc)
42
43 #define REGSIZE sizeof(struct Ureg)
44
45 Reglist armreglist[] =
46 {
47 {"LINK", REGOFF(link), RINT|RRDONLY, 'X'},
48 {"TYPE", REGOFF(type), RINT|RRDONLY, 'X'},
49 {"PSR", REGOFF(psr), RINT|RRDONLY, 'X'},
50 {"PC", PC, RINT, 'X'},
51 {"SP", SP, RINT, 'X'},
52 {"R15", PC, RINT, 'X'},
53 {"R14", REGOFF(r14), RINT, 'X'},
54 {"R13", REGOFF(r13), RINT, 'X'},
55 {"R12", REGOFF(r12), RINT, 'X'},
56 {"R11", REGOFF(r11), RINT, 'X'},
57 {"R10", REGOFF(r10), RINT, 'X'},
58 {"R9", REGOFF(r9), RINT, 'X'},
59 {"R8", REGOFF(r8), RINT, 'X'},
60 {"R7", REGOFF(r7), RINT, 'X'},
61 {"R6", REGOFF(r6), RINT, 'X'},
62 {"R5", REGOFF(r5), RINT, 'X'},
63 {"R4", REGOFF(r4), RINT, 'X'},
64 {"R3", REGOFF(r3), RINT, 'X'},
65 {"R2", REGOFF(r2), RINT, 'X'},
66 {"R1", REGOFF(r1), RINT, 'X'},
67 {"R0", REGOFF(r0), RINT, 'X'},
68 { 0 }
69 };
70
71 /* the machine description */
72 Mach marm =
73 {
74 "arm",
75 MARM, /* machine type */
76 armreglist, /* register set */
77 REGSIZE, /* register set size */
78 0, /* fp register set size */
79 "PC", /* name of PC */
80 "SP", /* name of SP */
81 "R15", /* name of link register */
82 "setR12", /* static base register name */
83 0, /* static base register value */
84 0x1000, /* page size */
85 0xC0000000, /* kernel base */
86 0, /* kernel text mask */
87 4, /* quantization of pc */
88 4, /* szaddr */
89 4, /* szreg */
90 4, /* szfloat */
91 8, /* szdouble */
92 };