1 // Power PC 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/power/"
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, *SP, linkreg(0), 0);
22 }
23 
24 defn lstk()			// trace with locals
25 {
26 	_stk(*PC, *SP, linkreg(0), 1);
27 }
28 
29 defn 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 
44 defn Fpr()
45 {
46 	fpr();
47 }
48 
49 defn 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 
69 defn 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 
88 defn regs()				// print all registers
89 {
90 	spr();
91 	gpr();
92 }
93 
94 defn 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 
115 defn linkreg(addr)
116 {
117 	return *LR;
118 }
119 
120 print(acidfile);