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// ARM support
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defn acidinit()			// Called after all the init modules are loaded
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{
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	bplist = {};
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	bpfmt = 'X';
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	srcpath = {
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		"./",
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		"/sys/src/libc/port/",
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		"/sys/src/libc/9sys/",
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		"/sys/src/libc/arm/"
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	};
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	srcfiles = {};			// list of loaded files
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	srctext = {};			// the text of the files
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}
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defn linkreg(addr)
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{
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	return *R14;
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}
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defn stk()				// trace
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{
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	_stk(*PC, *SP, linkreg(0), 0);
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}
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defn lstk()				// trace with locals
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{
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	_stk(*PC, *SP, linkreg(0), 1);
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}
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defn gpr()			// print general purpose registers
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{
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	print("R0\t", *R0, " R1\t", *R1, " R2\t", *R2, "\n");
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	print("R3\t", *R3, " R4\t", *R4, " R5\t", *R5, "\n");
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	print("R6\t", *R6, " R7\t", *R7, " R8\t", *R8, "\n");
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	print("R9\t", *R9, " R10\t", *R10, " R11\t", *R11, "\n");
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	print("R12\t", *R12, " R13\t", *R13, " R14\t", *R14, "\n");
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	print("R15\t", *R15, "\n");
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}
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defn regs()				// print all registers
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{
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	gpr();
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}
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defn pstop(pid)
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{
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	local l;
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	local pc;
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	pc = *PC;
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	print(pid,": ", reason(*TYPE), "\t");
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	print(fmt(pc, 'a'), "\t", fmt(pc, 'i'), "\n");
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	if notes then {
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		if notes[0] != "sys: breakpoint" then {
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			print("Notes pending:\n");
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			l = notes;
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			while l do {
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				print("\t", head l, "\n");
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				l = tail l;
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			}
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		}
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	}
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}
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sizeofUreg=72;
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aggr Ureg
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{
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	'U' 0 r0;
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	'U' 4 r1;
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	'U' 8 r2;
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	'U' 12 r3;
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	'U' 16 r4;
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	'U' 20 r5;
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	'U' 24 r6;
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	'U' 28 r7;
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	'U' 32 r8;
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	'U' 36 r9;
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	'U' 40 r10;
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	'U' 44 r11;
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	'U' 48 r12;
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	'U' 52 r13;
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	'U' 56 r14;
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	'U' 60 type;
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	'U' 64 psr;
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	'U' 68 pc;
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};
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defn
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Ureg(addr) {
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	complex Ureg addr;
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	print("	r0	", addr.r0, "\n");
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	print("	r1	", addr.r1, "\n");
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	print("	r2	", addr.r2, "\n");
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	print("	r3	", addr.r3, "\n");
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	print("	r4	", addr.r4, "\n");
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	print("	r5	", addr.r5, "\n");
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	print("	r6	", addr.r6, "\n");
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	print("	r7	", addr.r7, "\n");
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	print("	r8	", addr.r8, "\n");
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	print("	r9	", addr.r9, "\n");
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	print("	r10	", addr.r10, "\n");
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	print("	r11	", addr.r11, "\n");
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	print("	r12	", addr.r12, "\n");
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	print("	r13	", addr.r13, "\n");
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	print("	r14	", addr.r14, "\n");
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	print("	type	", addr.type, "\n");
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	print("	psr	", addr.psr, "\n");
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	print("	pc	", addr.pc, "\n");
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};
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print("/sys/lib/acid/arm");