858 		task->thread.debug.dbcr0 &= ~DBCR0_BT;  in user_enable_single_step()
859 		task->thread.debug.dbcr0 |= DBCR0_IDM | DBCR0_IC;  in user_enable_single_step()
875 		task->thread.debug.dbcr0 &= ~DBCR0_IC;  in user_enable_block_step()
876 		task->thread.debug.dbcr0 = DBCR0_IDM | DBCR0_BT;  in user_enable_block_step()
898 		task->thread.debug.dbcr0 &= ~(DBCR0_IC|DBCR0_BT);  in user_disable_single_step()
902 		if (!DBCR_ACTIVE_EVENTS(task->thread.debug.dbcr0,  in user_disable_single_step()
903 					task->thread.debug.dbcr1)) {  in user_disable_single_step()
907 			task->thread.debug.dbcr0 &= ~DBCR0_IDM;  in user_disable_single_step()
1026 	task->thread.debug.dac1 = data & ~0x3UL;  in ptrace_set_debugreg()
1028 	if (task->thread.debug.dac1 == 0) {  in ptrace_set_debugreg()
1030 		if (!DBCR_ACTIVE_EVENTS(task->thread.debug.dbcr0,  in ptrace_set_debugreg()
1031 					task->thread.debug.dbcr1)) {  in ptrace_set_debugreg()
1033 			task->thread.debug.dbcr0 &= ~DBCR0_IDM;  in ptrace_set_debugreg()
1045 	task->thread.debug.dbcr0 |= DBCR0_IDM;  in ptrace_set_debugreg()
1075 	int slot1_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC1) != 0);  in set_instruction_bp()
1076 	int slot2_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC2) != 0);  in set_instruction_bp()
1077 	int slot3_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC3) != 0);  in set_instruction_bp()
1078 	int slot4_in_use = ((child->thread.debug.dbcr0 & DBCR0_IAC4) != 0);  in set_instruction_bp()
1097 			child->thread.debug.iac1 = bp_info->addr;  in set_instruction_bp()
1098 			child->thread.debug.iac2 = bp_info->addr2;  in set_instruction_bp()
1099 			child->thread.debug.dbcr0 |= DBCR0_IAC1;  in set_instruction_bp()
1108 			child->thread.debug.iac3 = bp_info->addr;  in set_instruction_bp()
1109 			child->thread.debug.iac4 = bp_info->addr2;  in set_instruction_bp()
1110 			child->thread.debug.dbcr0 |= DBCR0_IAC3;  in set_instruction_bp()
1130 				child->thread.debug.iac1 = bp_info->addr;  in set_instruction_bp()
1131 				child->thread.debug.dbcr0 |= DBCR0_IAC1;  in set_instruction_bp()
1137 			child->thread.debug.iac2 = bp_info->addr;  in set_instruction_bp()
1138 			child->thread.debug.dbcr0 |= DBCR0_IAC2;  in set_instruction_bp()
1142 			child->thread.debug.iac3 = bp_info->addr;  in set_instruction_bp()
1143 			child->thread.debug.dbcr0 |= DBCR0_IAC3;  in set_instruction_bp()
1146 			child->thread.debug.iac4 = bp_info->addr;  in set_instruction_bp()
1147 			child->thread.debug.dbcr0 |= DBCR0_IAC4;  in set_instruction_bp()
1153 	child->thread.debug.dbcr0 |= DBCR0_IDM;  in set_instruction_bp()
1163 		if ((child->thread.debug.dbcr0 & DBCR0_IAC1) == 0)  in del_instruction_bp()
1168 			child->thread.debug.iac2 = 0;  in del_instruction_bp()
1171 		child->thread.debug.iac1 = 0;  in del_instruction_bp()
1172 		child->thread.debug.dbcr0 &= ~DBCR0_IAC1;  in del_instruction_bp()
1175 		if ((child->thread.debug.dbcr0 & DBCR0_IAC2) == 0)  in del_instruction_bp()
1181 		child->thread.debug.iac2 = 0;  in del_instruction_bp()
1182 		child->thread.debug.dbcr0 &= ~DBCR0_IAC2;  in del_instruction_bp()
1186 		if ((child->thread.debug.dbcr0 & DBCR0_IAC3) == 0)  in del_instruction_bp()
1191 			child->thread.debug.iac4 = 0;  in del_instruction_bp()
1194 		child->thread.debug.iac3 = 0;  in del_instruction_bp()
1195 		child->thread.debug.dbcr0 &= ~DBCR0_IAC3;  in del_instruction_bp()
1198 		if ((child->thread.debug.dbcr0 & DBCR0_IAC4) == 0)  in del_instruction_bp()
1204 		child->thread.debug.iac4 = 0;  in del_instruction_bp()
1205 		child->thread.debug.dbcr0 &= ~DBCR0_IAC4;  in del_instruction_bp()
1235 		child->thread.debug.dac1 = (unsigned long)bp_info->addr;  in set_dac()
1238 			child->thread.debug.dvc1 =  in set_dac()
1240 			child->thread.debug.dbcr2 |=  in set_dac()
1246 	} else if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE) {  in set_dac()
1256 		child->thread.debug.dac2 = (unsigned long)bp_info->addr;  in set_dac()
1259 			child->thread.debug.dvc2 =  in set_dac()
1261 			child->thread.debug.dbcr2 |=  in set_dac()
1268 	child->thread.debug.dbcr0 |= DBCR0_IDM;  in set_dac()
1280 		child->thread.debug.dac1 = 0;  in del_dac()
1283 		if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE) {  in del_dac()
1284 			child->thread.debug.dac2 = 0;  in del_dac()
1285 			child->thread.debug.dbcr2 &= ~DBCR2_DAC12MODE;  in del_dac()
1287 		child->thread.debug.dbcr2 &= ~(DBCR2_DVC1M | DBCR2_DVC1BE);  in del_dac()
1290 		child->thread.debug.dvc1 = 0;  in del_dac()
1297 		if (child->thread.debug.dbcr2 & DBCR2_DAC12MODE)  in del_dac()
1300 		child->thread.debug.dbcr2 &= ~(DBCR2_DVC2M | DBCR2_DVC2BE);  in del_dac()
1303 		child->thread.debug.dvc2 = 0;  in del_dac()
1305 		child->thread.debug.dac2 = 0;  in del_dac()
1347 	if (child->thread.debug.dbcr0 &  in set_dac_range()
1352 		child->thread.debug.dbcr0 |= (DBCR0_DAC1R | DBCR0_IDM);  in set_dac_range()
1354 		child->thread.debug.dbcr0 |= (DBCR0_DAC1W | DBCR0_IDM);  in set_dac_range()
1355 	child->thread.debug.dac1 = bp_info->addr;  in set_dac_range()
1356 	child->thread.debug.dac2 = bp_info->addr2;  in set_dac_range()
1358 		child->thread.debug.dbcr2  |= DBCR2_DAC12M;  in set_dac_range()
1360 		child->thread.debug.dbcr2  |= DBCR2_DAC12MX;  in set_dac_range()
1362 		child->thread.debug.dbcr2  |= DBCR2_DAC12MM;  in set_dac_range()
1493 		if (!DBCR_ACTIVE_EVENTS(child->thread.debug.dbcr0,  in ppc_del_hwdebug()
1494 					child->thread.debug.dbcr1)) {  in ppc_del_hwdebug()
1495 			child->thread.debug.dbcr0 &= ~DBCR0_IDM;  in ppc_del_hwdebug()
1673 		ret = put_user(child->thread.debug.dac1, datalp);  in arch_ptrace()