osfmk/pmc/pmc.c

1204 static uint32_t pmc_internal_reservation_next_state(uint32_t current_state, pmc_state_event_t event) {
1209 			switch (current_state & ~(PMC_STATE_CONTEXT_COUNT_MASK)) {
1215 					new_state = PMC_STATE_MODIFY(current_state, 0, 0, PMC_STATE_FLAGS_STOPPING);
1218 					if (PMC_STATE_CONTEXT_COUNT(current_state) == 0) {
1219 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_CAN_RUN, 0, 0, 0);
1225 			switch (current_state & ~(PMC_STATE_CONTEXT_COUNT_MASK)) {
1227 					new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_STOP, 0, 0, 0);
1233 					new_state = PMC_STATE_MODIFY(current_state, 0, PMC_STATE_FLAGS_STOPPING, 0);
1236 					if (PMC_STATE_CONTEXT_COUNT(current_state) > 0) {
1237 						new_state = PMC_STATE_MODIFY(current_state, 0, PMC_STATE_FLAGS_STOPPING, 0);
1243 			switch (current_state & ~(PMC_STATE_CONTEXT_COUNT_MASK)) {
1245 					new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_DEALLOC, 0, 0, 0);
1255 					new_state = PMC_STATE_MODIFY(current_state, 0, PMC_STATE_FLAGS_DEALLOCING, PMC_STATE_FLAGS_STOPPING);
1261 					new_state = PMC_STATE_MODIFY(current_state, 0, PMC_STATE_FLAGS_DEALLOCING, 0);
1264 					new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_DEALLOC, 0, PMC_STATE_FLAGS_DEALLOCING, PMC_STATE_FLAGS_STOPPING);
1267 					if (PMC_STATE_CONTEXT_COUNT(current_state) > 0) {
1268 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_DEALLOC, 0, PMC_STATE_FLAGS_DEALLOCING, 0);
1270 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_DEALLOC, 0, 0, 0);
1276 			switch (current_state & ~(PMC_STATE_CONTEXT_COUNT_MASK)) {
1280 					new_state = PMC_STATE_MODIFY(current_state, 0, PMC_STATE_FLAGS_INTERRUPTING | PMC_STATE_FLAGS_STOPPING, 0);
1285 			switch (current_state & ~(PMC_STATE_CONTEXT_COUNT_MASK)) {
1287 					new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_DEALLOC, 0, 0, PMC_STATE_FLAGS_DEALLOCING);
1290 					new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_STOP, 0, 0, PMC_STATE_FLAGS_STOPPING);
1293 					new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_CAN_RUN, 0, 0, 0);
1298 			switch (current_state & ~(PMC_STATE_CONTEXT_COUNT_MASK)) {
1300 					new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_LOAD, 1, 0, 0);
1305 					new_state = PMC_STATE_MODIFY(current_state, 1, 0, 0);
1308 					if (PMC_STATE_CONTEXT_COUNT(current_state) > 0) {
1309 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_LOAD, 1, 0, 0);
1315 			switch (current_state & ~(PMC_STATE_CONTEXT_COUNT_MASK)) {
1317 					if (PMC_STATE_CONTEXT_COUNT(current_state) > 1) {
1318 						new_state = PMC_STATE_MODIFY(current_state, -1, 0, PMC_STATE_FLAGS_DEALLOCING);
1320 						new_state = PMC_STATE_MODIFY(current_state, -1, 0, 0);
1328 					if (PMC_STATE_CONTEXT_COUNT(current_state) > 1) {
1329 						new_state = PMC_STATE_MODIFY(current_state, -1, 0, 0);
1337 					if (PMC_STATE_CONTEXT_COUNT(current_state) == 1) {
1338 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_STORE, -1, 0, 0);
1340 						new_state = PMC_STATE_MODIFY(current_state, -1, 0, 0);
1345 					if (PMC_STATE_CONTEXT_COUNT(current_state) == 1) {
1346 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_INTERRUPT, -1, 0, PMC_STATE_FLAGS_INTERRUPTING);
1348 						new_state = PMC_STATE_MODIFY(current_state, -1, 0, 0);
1352 					if (PMC_STATE_CONTEXT_COUNT(current_state) == 1) {
1353 						new_state = PMC_STATE_MODIFY(current_state, -1, 0, PMC_STATE_FLAGS_STOPPING);
1355 						new_state = PMC_STATE_MODIFY(current_state, -1, 0, 0);
1359 					if (PMC_STATE_CONTEXT_COUNT(current_state) > 0) {
1360 						if (PMC_STATE_CONTEXT_COUNT(current_state) == 1) {
1361 							new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_CAN_RUN, -1, 0, 0);
1363 							new_state = PMC_STATE_MODIFY(current_state, -1, 0, 0);
1372 					if (PMC_STATE_CONTEXT_COUNT(current_state) > 0) {
1373 						new_state = PMC_STATE_MODIFY(current_state, -1, 0, 0);
1379 			switch (current_state & ~(PMC_STATE_CONTEXT_COUNT_MASK)) {
1384 					if (PMC_STATE_CONTEXT_COUNT(current_state) > 1) {
1385 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_RUN, -1, 0, 0);
1387 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_STORE, -1, 0, 0);
1391 					new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_RUN, 0, 0, 0);
1396 			switch (current_state & ~(PMC_STATE_CONTEXT_COUNT_MASK)) {
1398 					if (PMC_STATE_CONTEXT_COUNT(current_state) == 0) {
1399 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_DEALLOC, 0, 0, PMC_STATE_FLAGS_DEALLOCING);
1401 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_DEALLOC, 0, 0, 0);
1406 					if (PMC_STATE_CONTEXT_COUNT(current_state) == 0) {
1407 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_INTERRUPT, 0, 0, PMC_STATE_FLAGS_INTERRUPTING);
1409 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_STOP, 0, 0, 0);
1413 					if (PMC_STATE_CONTEXT_COUNT(current_state) == 0) {
1414 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_STOP, 0, 0, PMC_STATE_FLAGS_STOPPING);
1416 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_STOP, 0, 0, 0);
1420 					if (PMC_STATE_CONTEXT_COUNT(current_state) == 0) {
1421 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_CAN_RUN, 0, 0, 0);
1423 						new_state = PMC_STATE_MOVE(current_state, PMC_STATE_STATE_LOAD, 0, 0, 0);