tsparc - plan9port - [fork] Plan 9 from user space
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tsparc (5326B)
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1 // Sparc support
2
3 defn acidinit() // Called after all the init modules are loaded
4 {
5 bplist = {};
6 bpfmt = 'X';
7
8 srcpath = {
9 "./",
10 "/sys/src/libc/port/",
11 "/sys/src/libc/9sys/",
12 "/sys/src/libc/sparc/"
13 };
14
15 srcfiles = {}; // list of loaded files
16 srctext = {}; // the text of the files
17 }
18
19 defn stk() // trace
20 {
21 _stk(*PC, *R1, linkreg(0), 0);
22 }
23
24 defn lstk() // trace with locals
25 {
26 _stk(*PC, *R1, linkreg(0), 1);
27 }
28
29 defn gpr() // print general purpose registers
30 {
31 print("R1\t", *R1, "R2\t", *R2, "R3\t", *R3, "\n");
32 print("R4\t", *R4, "R5\t", *R5, "R6\t", *R6, "\n");
33 print("R7\t", *R7, "R8\t", *R8, "R9\t", *R9, "\n");
34 print("R10\t", *R10, "R11\t", *R11, "R12\t", *R12, "\n");
35 print("R13\t", *R13, "R14\t", *R14, "R15\t", *R15, "\n");
36 print("R16\t", *R16, "R17\t", *R17, "R18\t", *R18, "\n");
37 print("R19\t", *R19, "R20\t", *R20, "R21\t", *R21, "\n");
38 print("R22\t", *R22, "R23\t", *R23, "R24\t", *R24, "\n");
39 print("R25\t", *R25, "R26\t", *R26, "R27\t", *R27, "\n");
40 print("R28\t", *R28, "R29\t", *R29, "R30\t", *R30, "\n");
41 print("R31\t", *R31, "\n");
42 }
43
44 defn spr() // print special processor registers
45 {
46 local pc;
47 local link;
48 local cause;
49
50 pc = *PC;
51 print("PC\t", pc, " ", fmt(pc, 'a'), " ");
52 pfl(pc);
53 print("PSR\t", *PSR, "\n");
54
55 link = *R15;
56 print("SP\t", *R1, "\tLINK\t\t", link, " ", fmt(link, 'a'));
57 pfl(link);
58
59 cause = *TBR;
60 print("Y\t", *Y, "\tCAUSE\t", *Y, cause, " ", reason(cause), "\n");
61 }
62
63 defn Fpr()
64 {
65 print("F0\t", *fmt(F0, 'G'), "\tF2\t", *fmt(F2, 'G'), "\n");
66 print("F4\t", *fmt(F4, 'G'), "\tF6\t", *fmt(F6, 'G'), "\n");
67 print("F8\t", *fmt(F8, 'G'), "\tF10\t", *fmt(F10, 'G'), "\n");
68 print("F12\t", *fmt(F12, 'G'), "\tF14\t", *fmt(F14, 'G'), "\n");
69 print("F16\t", *fmt(F16, 'G'), "\tF18\t", *fmt(F18, 'G'), "\n");
70 print("F20\t", *fmt(F20, 'G'), "\tF22\t", *fmt(F22, 'G'), "\n");
71 print("F24\t", *fmt(F24, 'G'), "\tF26\t", *fmt(F26, 'G'), "\n");
72 print("F28\t", *fmt(F28, 'G'), "\tF30\t", *fmt(F30, 'G'), "\n");
73 }
74
75 defn fpr()
76 {
77 print("F0\t", *fmt(F0, 'g'), "\tF1\t", *fmt(F1, 'g'), "\n");
78 print("F2\t", *fmt(F2, 'g'), "\tF3\t", *fmt(F3, 'g'), "\n");
79 print("F4\t", *fmt(F4, 'g'), "\tF5\t", *fmt(F5, 'g'), "\n");
80 print("F6\t", *fmt(F6, 'g'), "\tF7\t", *fmt(F7, 'g'), "\n");
81 print("F8\t", *fmt(F8, 'g'), "\tF9\t", *fmt(F9, 'g'), "\n");
82 print("F10\t", *fmt(F10, 'g'), "\tF11\t", *fmt(F11, 'g'), "\n");
83 print("F12\t", *fmt(F12, 'g'), "\tF13\t", *fmt(F13, 'g'), "\n");
84 print("F14\t", *fmt(F14, 'g'), "\tF15\t", *fmt(F15, 'g'), "\n");
85 print("F16\t", *fmt(F16, 'g'), "\tF17\t", *fmt(F17, 'g'), "\n");
86 print("F18\t", *fmt(F18, 'g'), "\tF19\t", *fmt(F19, 'g'), "\n");
87 print("F20\t", *fmt(F20, 'g'), "\tF21\t", *fmt(F21, 'g'), "\n");
88 print("F22\t", *fmt(F22, 'g'), "\tF23\t", *fmt(F23, 'g'), "\n");
89 print("F24\t", *fmt(F24, 'g'), "\tF25\t", *fmt(F25, 'g'), "\n");
90 print("F26\t", *fmt(F26, 'g'), "\tF27\t", *fmt(F27, 'g'), "\n");
91 print("F28\t", *fmt(F28, 'g'), "\tF29\t", *fmt(F29, 'g'), "\n");
92 print("F30\t", *fmt(F30, 'g'), "\tF31\t", *fmt(F31, 'g'), "\n");
93 }
94
95 defn regs() // print all registers
96 {
97 spr();
98 gpr();
99 }
100
101 defn pstop(pid)
102 {
103 local l;
104 local pc;
105
106 pc = *PC;
107
108 print(pid,": ", reason(*TBR), "\t");
109 print(fmt(pc, 'a'), "\t", fmt(pc, 'i'), "\n");
110
111 if notes then {
112 if notes[0] != "sys: breakpoint" then {
113 print("Notes pending:\n");
114 l = notes;
115 while l do {
116 print("\t", head l, "\n");
117 l = tail l;
118 }
119 }
120 }
121 }
122
123 aggr Ureg
124 {
125 'U' 0 r0;
126 {
127 'U' 4 sp;
128 'U' 4 usp;
129 'U' 4 r1;
130 };
131 'U' 8 r2;
132 'U' 12 r3;
133 'U' 16 r4;
134 'U' 20 r5;
135 'U' 24 r6;
136 'U' 28 r7;
137 'U' 32 r8;
138 'U' 36 r9;
139 'U' 40 r10;
140 'U' 44 r11;
141 'U' 48 r12;
142 'U' 52 r13;
143 'U' 56 r14;
144 'U' 60 r15;
145 'U' 64 r16;
146 'U' 68 r17;
147 'U' 72 r18;
148 'U' 76 r19;
149 'U' 80 r20;
150 'U' 84 r21;
151 'U' 88 r22;
152 'U' 92 r23;
153 'U' 96 r24;
154 'U' 100 r25;
155 'U' 104 r26;
156 'U' 108 r27;
157 'U' 112 r28;
158 'U' 116 r29;
159 'U' 120 r30;
160 'U' 124 r31;
161 'U' 128 y;
162 'U' 132 tbr;
163 'U' 136 psr;
164 'U' 140 npc;
165 'U' 144 pc;
166 'U' 148 pad;
167 };
168
169 defn
170 Ureg(addr) {
171 complex Ureg addr;
172 print(" r0 ", addr.r0, "\n");
173 print(" sp ", addr.sp, "\n");
174 print(" r2 ", addr.r2, "\n");
175 print(" r3 ", addr.r3, "\n");
176 print(" r4 ", addr.r4, "\n");
177 print(" r5 ", addr.r5, "\n");
178 print(" r6 ", addr.r6, "\n");
179 print(" r7 ", addr.r7, "\n");
180 print(" r8 ", addr.r8, "\n");
181 print(" r9 ", addr.r9, "\n");
182 print(" r10 ", addr.r10, "\n");
183 print(" r11 ", addr.r11, "\n");
184 print(" r12 ", addr.r12, "\n");
185 print(" r13 ", addr.r13, "\n");
186 print(" r14 ", addr.r14, "\n");
187 print(" r15 ", addr.r15, "\n");
188 print(" r16 ", addr.r16, "\n");
189 print(" r17 ", addr.r17, "\n");
190 print(" r18 ", addr.r18, "\n");
191 print(" r19 ", addr.r19, "\n");
192 print(" r20 ", addr.r20, "\n");
193 print(" r21 ", addr.r21, "\n");
194 print(" r22 ", addr.r22, "\n");
195 print(" r23 ", addr.r23, "\n");
196 print(" r24 ", addr.r24, "\n");
197 print(" r25 ", addr.r25, "\n");
198 print(" r26 ", addr.r26, "\n");
199 print(" r27 ", addr.r27, "\n");
200 print(" r28 ", addr.r28, "\n");
201 print(" r29 ", addr.r29, "\n");
202 print(" r30 ", addr.r30, "\n");
203 print(" r31 ", addr.r31, "\n");
204 print(" y ", addr.y, "\n");
205 print(" tbr ", addr.tbr, "\n");
206 print(" psr ", addr.psr, "\n");
207 print(" npc ", addr.npc, "\n");
208 print(" pc ", addr.pc, "\n");
209 print(" pad ", addr.pad, "\n");
210 };
211
212 defn linkreg(addr)
213 {
214 complex Ureg addr;
215 return addr.r15\X;
216 }
217
218 print(acidfile);