13 		task->thread.debug.dbcr0 &= ~DBCR0_BT;  in user_enable_single_step()
14 		task->thread.debug.dbcr0 |= DBCR0_IDM | DBCR0_IC;  in user_enable_single_step()
25 		task->thread.debug.dbcr0 &= ~DBCR0_IC;  in user_enable_block_step()
26 		task->thread.debug.dbcr0 = DBCR0_IDM | DBCR0_BT;  in user_enable_block_step()
40 		 * And, after doing so, if all debug flags are off, turn  in user_disable_single_step()
43 		task->thread.debug.dbcr0 &= ~(DBCR0_IC | DBCR0_BT);  in user_disable_single_step()
47 		if (!DBCR_ACTIVE_EVENTS(task->thread.debug.dbcr0,  in user_disable_single_step()
48 					task->thread.debug.dbcr1)) {  in user_disable_single_step()
50 			 * All debug events were off.....  in user_disable_single_step()
52 			task->thread.debug.dbcr0 &= ~DBCR0_IDM;  in user_disable_single_step()
80 	return put_user(child->thread.debug.dac1, datalp);  in ptrace_get_debugreg()
110 	task->thread.debug.dac1 = data & ~0x3UL;  in ptrace_set_debugreg()
112 	if (task->thread.debug.dac1 == 0) {  in ptrace_set_debugreg()
114 		if (!DBCR_ACTIVE_EVENTS(task->thread.debug.dbcr0,  in ptrace_set_debugreg()
115 					task->thread.debug.dbcr1)) {  in ptrace_set_debugreg()
117 			task->thread.debug.dbcr0 &= ~DBCR0_IDM;  in ptrace_set_debugreg()
128 	task->thread.debug.dbcr0 |= DBCR0_IDM;  in ptrace_set_debugreg()
144 	int slot1_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC1) != 0);  in set_instruction_bp()
145 	int slot2_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC2) != 0);  in set_instruction_bp()
146 	int slot3_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC3) != 0);  in set_instruction_bp()
147 	int slot4_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC4) != 0);  in set_instruction_bp()
165 			child->thread.debug.iac1 = bp_info->addr;  in set_instruction_bp()
166 			child->thread.debug.iac2 = bp_info->addr2;  in set_instruction_bp()
167 			child->thread.debug.dbcr0 |= DBCR0_IAC1;  in set_instruction_bp()
176 			child->thread.debug.iac3 = bp_info->addr;  in set_instruction_bp()
177 			child->thread.debug.iac4 = bp_info->addr2;  in set_instruction_bp()
178 			child->thread.debug.dbcr0 |= DBCR0_IAC3;  in set_instruction_bp()
199 				child->thread.debug.iac1 = bp_info->addr;  in set_instruction_bp()
200 				child->thread.debug.dbcr0 |= DBCR0_IAC1;  in set_instruction_bp()
206 			child->thread.debug.iac2 = bp_info->addr;  in set_instruction_bp()
207 			child->thread.debug.dbcr0 |= DBCR0_IAC2;  in set_instruction_bp()
211 			child->thread.debug.iac3 = bp_info->addr;  in set_instruction_bp()
212 			child->thread.debug.dbcr0 |= DBCR0_IAC3;  in set_instruction_bp()
215 			child->thread.debug.iac4 = bp_info->addr;  in set_instruction_bp()
216 			child->thread.debug.dbcr0 |= DBCR0_IAC4;  in set_instruction_bp()
223 	child->thread.debug.dbcr0 |= DBCR0_IDM;  in set_instruction_bp()
233 		if ((child->thread.debug.dbcr0 & DBCR0_IAC1) == 0)  in del_instruction_bp()
238 			child->thread.debug.iac2 = 0;  in del_instruction_bp()
241 		child->thread.debug.iac1 = 0;  in del_instruction_bp()
242 		child->thread.debug.dbcr0 &= ~DBCR0_IAC1;  in del_instruction_bp()
245 		if ((child->thread.debug.dbcr0 & DBCR0_IAC2) == 0)  in del_instruction_bp()
251 		child->thread.debug.iac2 = 0;  in del_instruction_bp()
252 		child->thread.debug.dbcr0 &= ~DBCR0_IAC2;  in del_instruction_bp()
256 		if ((child->thread.debug.dbcr0 & DBCR0_IAC3) == 0)  in del_instruction_bp()
261 			child->thread.debug.iac4 = 0;  in del_instruction_bp()
264 		child->thread.debug.iac3 = 0;  in del_instruction_bp()
265 		child->thread.debug.dbcr0 &= ~DBCR0_IAC3;  in del_instruction_bp()
268 		if ((child->thread.debug.dbcr0 & DBCR0_IAC4) == 0)  in del_instruction_bp()
274 		child->thread.debug.iac4 = 0;  in del_instruction_bp()
275 		child->thread.debug.dbcr0 &= ~DBCR0_IAC4;  in del_instruction_bp()
305 		child->thread.debug.dac1 = (unsigned long)bp_info->addr;  in set_dac()
308 			child->thread.debug.dvc1 =  in set_dac()
310 			child->thread.debug.dbcr2 |=  in set_dac()
316 	} else if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE) {  in set_dac()
326 		child->thread.debug.dac2 = (unsigned long)bp_info->addr;  in set_dac()
329 			child->thread.debug.dvc2 =  in set_dac()
331 			child->thread.debug.dbcr2 |=  in set_dac()
339 	child->thread.debug.dbcr0 |= DBCR0_IDM;  in set_dac()
351 		child->thread.debug.dac1 = 0;  in del_dac()
354 		if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE) {  in del_dac()
355 			child->thread.debug.dac2 = 0;  in del_dac()
356 			child->thread.debug.dbcr2 &= ~DBCR2_DAC12MODE;  in del_dac()
358 		child->thread.debug.dbcr2 &= ~(DBCR2_DVC1M | DBCR2_DVC1BE);  in del_dac()
361 		child->thread.debug.dvc1 = 0;  in del_dac()
368 		if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE)  in del_dac()
371 		child->thread.debug.dbcr2 &= ~(DBCR2_DVC2M | DBCR2_DVC2BE);  in del_dac()
374 		child->thread.debug.dvc2 = 0;  in del_dac()
376 		child->thread.debug.dac2 = 0;  in del_dac()
418 	if (child->thread.debug.dbcr0 &  in set_dac_range()
423 		child->thread.debug.dbcr0 |= (DBCR0_DAC1R | DBCR0_IDM);  in set_dac_range()
425 		child->thread.debug.dbcr0 |= (DBCR0_DAC1W | DBCR0_IDM);  in set_dac_range()
426 	child->thread.debug.dac1 = bp_info->addr;  in set_dac_range()
427 	child->thread.debug.dac2 = bp_info->addr2;  in set_dac_range()
429 		child->thread.debug.dbcr2  |= DBCR2_DAC12M;  in set_dac_range()
431 		child->thread.debug.dbcr2  |= DBCR2_DAC12MX;  in set_dac_range()
433 		child->thread.debug.dbcr2  |= DBCR2_DAC12MM;  in set_dac_range()
486 		if (!DBCR_ACTIVE_EVENTS(child->thread.debug.dbcr0,  in ppc_del_hwdebug()
487 					child->thread.debug.dbcr1)) {  in ppc_del_hwdebug()
488 			child->thread.debug.dbcr0 &= ~DBCR0_IDM;  in ppc_del_hwdebug()