code: plan9front

ref: 403149d7de4dbe4cc4b1fd9cb3a164e51dbccc15
dir: /sys/lib/acid/power/

// Power PC support

defn acidinit()			// Called after all the init modules are loaded
{
	bplist = {};
	bpfmt = 'X';
	wplist = {};
	wpflush();

	srcpath = {
		"./",
		"/sys/src/libc/port/",
		"/sys/src/libc/9sys/",
		"/sys/src/libc/power/"
	};

	srcfiles = {};		// list of loaded files
	srctext = {};		// the text of the files
}

defn stk()			// trace
{
	_stk(*PC, *SP, linkreg(0), 0);
}

defn lstk()			// trace with locals
{
	_stk(*PC, *SP, linkreg(0), 1);
}

defn gpr()			// print general purpose registers
{
	print("SP\t", *SP, " R2\t", *R2, " R3\t", *R3, "\n");
	print("R4\t", *R4, " R5\t", *R5, " R6\t", *R6, "\n");
	print("R7\t", *R7, " R8\t", *R8, " R9\t", *R9, "\n");
	print("R10\t", *R10, " R11\t", *R11, " R12\t", *R12, "\n");
	print("R13\t", *R13, " R14\t", *R14, " R15\t", *R15, "\n");
	print("R16\t", *R16, " R17\t", *R17, " R18\t", *R18, "\n");
	print("R19\t", *R19, " R20\t", *R20, " R21\t", *R21, "\n");
	print("R22\t", *R22, " R23\t", *R23, " R24\t", *R24, "\n");
	print("R25\t", *R25, " R26\t", *R26, " R27\t", *R27, "\n");
	print("R28\t", *R28, " R29\t", *R29, " R30\t", *R30, "\n");
	print("R31\t", *R31, "\n");
}

defn Fpr()
{
	fpr();
}

defn fpr()
{
	print("F0\t",  *fmt(F0, 'G'),  "\tF1\t",  *fmt(F1, 'G'), "\n");
	print("F2\t",  *fmt(F2, 'G'),  "\tF3\t",  *fmt(F3, 'G'), "\n");
	print("F4\t",  *fmt(F4, 'G'),  "\tF5\t",  *fmt(F5, 'G'), "\n");
	print("F6\t",  *fmt(F6, 'G'),  "\tF7\t",  *fmt(F7, 'G'), "\n");
	print("F8\t",  *fmt(F8, 'G'),  "\tF9\t",  *fmt(F9, 'G'), "\n");
	print("F10\t", *fmt(F10, 'G'), "\tF11\t", *fmt(F11, 'G'), "\n");
	print("F12\t", *fmt(F12, 'G'), "\tF13\t", *fmt(F13, 'G'), "\n");
	print("F14\t", *fmt(F14, 'G'), "\tF15\t", *fmt(F15, 'G'), "\n");
	print("F16\t", *fmt(F16, 'G'), "\tF17\t", *fmt(F17, 'G'), "\n");
	print("F18\t", *fmt(F18, 'G'), "\tF19\t", *fmt(F19, 'G'), "\n");
	print("F20\t", *fmt(F20, 'G'), "\tF21\t", *fmt(F21, 'G'), "\n");
	print("F22\t", *fmt(F22, 'G'), "\tF23\t", *fmt(F23, 'G'), "\n");
	print("F24\t", *fmt(F24, 'G'), "\tF25\t", *fmt(F25, 'G'), "\n");
	print("F26\t", *fmt(F26, 'G'), "\tF27\t", *fmt(F27, 'G'), "\n");
	print("F28\t", *fmt(F28, 'G'), "\tF29\t", *fmt(F29, 'G'), "\n");
	print("F30\t", *fmt(F30, 'G'), "\tF31\t", *fmt(F31, 'G'), "\n");
}

defn spr()				// print special processor registers
{
	local pc, link, cause;

	pc = *PC;
	print("PC\t", pc, " ", fmt(pc, 'a'), "  ");
	pfl(pc);

	link = *R31;
	print("SP\t", *SP, "\tLINK\t", link, " ", fmt(link, 'a'), " ");
	pfl(link);

	cause = *CAUSE;
	print("SRR1\t", *SRR1, "\tCAUSE\t", cause, " ", reason(cause), "\n");
	print("LR\t", *LR, "\tCR\t", *CR, "\n");

	print("XER\t", *XER, "\tCTR\t", *CTR, "\n");
}

defn regs()				// print all registers
{
	spr();
	gpr();
}

defn pstop(pid)
{
	local l, pc;

	pc = *PC;

	print(pid,": ", reason(*CAUSE), "\t");
	print(fmt(pc, 'a'), "\t", fmt(pc, 'i'), "\n");

	if notes then {
		if notes[0] != "sys: breakpoint" then {
			print("Notes pending:\n");
			l = notes;
			while l do {
				print("\t", head l, "\n");
				l = tail l;
			}
		}
	}
}

defn linkreg(addr)
{
	return *LR;
}

print("/sys/lib/acid/power");