70 	const unsigned long *insn;	/* pointer to the current instructions word */  member
232 	ret = (*ctrl->insn >> (ctrl->byte * 8)) & 0xff;  in unwind_get_byte()
235 		ctrl->insn++;  in unwind_get_byte()
278 					unsigned long insn)  in unwind_exec_pop_r4_to_rN()  argument
284 	for (reg = 4; reg <= 4 + (insn & 7); reg++)  in unwind_exec_pop_r4_to_rN()
288 	if (insn & 0x8)  in unwind_exec_pop_r4_to_rN()
321 	unsigned long insn = unwind_get_byte(ctrl);  in unwind_exec_insn()  local
324 	pr_debug("%s: insn = %08lx\n", __func__, insn);  in unwind_exec_insn()
326 	if ((insn & 0xc0) == 0x00)  in unwind_exec_insn()
327 		ctrl->vrs[SP] += ((insn & 0x3f) << 2) + 4;  in unwind_exec_insn()
328 	else if ((insn & 0xc0) == 0x40)  in unwind_exec_insn()
329 		ctrl->vrs[SP] -= ((insn & 0x3f) << 2) + 4;  in unwind_exec_insn()
330 	else if ((insn & 0xf0) == 0x80) {  in unwind_exec_insn()
333 		insn = (insn << 8) | unwind_get_byte(ctrl);  in unwind_exec_insn()
334 		mask = insn & 0x0fff;  in unwind_exec_insn()
337 				insn);  in unwind_exec_insn()
344 	} else if ((insn & 0xf0) == 0x90 &&  in unwind_exec_insn()
345 		   (insn & 0x0d) != 0x0d)  in unwind_exec_insn()
346 		ctrl->vrs[SP] = ctrl->vrs[insn & 0x0f];  in unwind_exec_insn()
347 	else if ((insn & 0xf0) == 0xa0) {  in unwind_exec_insn()
348 		ret = unwind_exec_pop_r4_to_rN(ctrl, insn);  in unwind_exec_insn()
351 	} else if (insn == 0xb0) {  in unwind_exec_insn()
356 	} else if (insn == 0xb1) {  in unwind_exec_insn()
361 				(insn << 8) | mask);  in unwind_exec_insn()
368 	} else if (insn == 0xb2) {  in unwind_exec_insn()
373 		pr_warn("unwind: Unhandled instruction %02lx\n", insn);  in unwind_exec_insn()
415 	if (idx->insn == 1)  in unwind_frame()
418 	else if ((idx->insn & 0x80000000) == 0)  in unwind_frame()
420 		ctrl.insn = (unsigned long *)prel31_to_addr(&idx->insn);  in unwind_frame()
421 	else if ((idx->insn & 0xff000000) == 0x80000000)  in unwind_frame()
423 		ctrl.insn = &idx->insn;  in unwind_frame()
426 			idx->insn, idx);  in unwind_frame()
431 	if ((*ctrl.insn & 0xff000000) == 0x80000000) {  in unwind_frame()
434 	} else if ((*ctrl.insn & 0xff000000) == 0x81000000) {  in unwind_frame()
436 		ctrl.entries = 1 + ((*ctrl.insn & 0x00ff0000) >> 16);  in unwind_frame()
439 			*ctrl.insn, ctrl.insn);  in unwind_frame()