xref: /plan9/sys/lib/acid/power (revision 59cc4ca53493a3c6d2349fe2b7f7c40f7dce7294) 
1// Power PC support
2
3defn 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/power/"
13	};
14
15	srcfiles = {};		// list of loaded files
16	srctext = {};		// the text of the files
17}
18
19defn stk()			// trace
20{
21	_stk(*PC, *SP, linkreg(0), 0);
22}
23
24defn lstk()			// trace with locals
25{
26	_stk(*PC, *SP, linkreg(0), 1);
27}
28
29defn gpr()			// print general purpose registers
30{
31	print("SP\t", *SP, " 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
44defn Fpr()
45{
46	fpr();
47}
48
49defn fpr()
50{
51	print("F0\t",  *fmt(F0, 'G'),  "\tF1\t",  *fmt(F1, 'G'), "\n");
52	print("F2\t",  *fmt(F2, 'G'),  "\tF3\t",  *fmt(F3, 'G'), "\n");
53	print("F4\t",  *fmt(F4, 'G'),  "\tF5\t",  *fmt(F5, 'G'), "\n");
54	print("F6\t",  *fmt(F6, 'G'),  "\tF7\t",  *fmt(F7, 'G'), "\n");
55	print("F8\t",  *fmt(F8, 'G'),  "\tF9\t",  *fmt(F9, 'G'), "\n");
56	print("F10\t", *fmt(F10, 'G'), "\tF11\t", *fmt(F11, 'G'), "\n");
57	print("F12\t", *fmt(F12, 'G'), "\tF13\t", *fmt(F13, 'G'), "\n");
58	print("F14\t", *fmt(F14, 'G'), "\tF15\t", *fmt(F15, 'G'), "\n");
59	print("F16\t", *fmt(F16, 'G'), "\tF17\t", *fmt(F17, 'G'), "\n");
60	print("F18\t", *fmt(F18, 'G'), "\tF19\t", *fmt(F19, 'G'), "\n");
61	print("F20\t", *fmt(F20, 'G'), "\tF21\t", *fmt(F21, 'G'), "\n");
62	print("F22\t", *fmt(F22, 'G'), "\tF23\t", *fmt(F23, 'G'), "\n");
63	print("F24\t", *fmt(F24, 'G'), "\tF25\t", *fmt(F25, 'G'), "\n");
64	print("F26\t", *fmt(F26, 'G'), "\tF27\t", *fmt(F27, 'G'), "\n");
65	print("F28\t", *fmt(F28, 'G'), "\tF29\t", *fmt(F29, 'G'), "\n");
66	print("F30\t", *fmt(F30, 'G'), "\tF31\t", *fmt(F31, 'G'), "\n");
67}
68
69defn spr()				// print special processor registers
70{
71	local pc, link, cause;
72
73	pc = *PC;
74	print("PC\t", pc, " ", fmt(pc, 'a'), "  ");
75	pfl(pc);
76
77	link = *R31;
78	print("SP\t", *SP, "\tLINK\t", link, " ", fmt(link, 'a'), " ");
79	pfl(link);
80
81	cause = *CAUSE;
82	print("SRR1\t", *SRR1, "\tCAUSE\t", cause, " ", reason(cause), "\n");
83	print("LR\t", *LR, "\tCR\t", *CR, "\n");
84
85	print("XER\t", *XER, "\tCTR\t", *CTR, "\n");
86}
87
88defn regs()				// print all registers
89{
90	spr();
91	gpr();
92}
93
94defn pstop(pid)
95{
96	local l, pc;
97
98	pc = *PC;
99
100	print(pid,": ", reason(*CAUSE), "\t");
101	print(fmt(pc, 'a'), "\t", fmt(pc, 'i'), "\n");
102
103	if notes then {
104		if notes[0] != "sys: breakpoint" then {
105			print("Notes pending:\n");
106			l = notes;
107			while l do {
108				print("\t", head l, "\n");
109				l = tail l;
110			}
111		}
112	}
113}
114
115defn linkreg(addr)
116{
117	return *LR;
118}
119
120print("/sys/lib/acid/power");
121