| Dimitris Papastamos | 89736dd | 2018-02-13 11:28:02 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <cortex_ares.h> |
| 8 | #include <cpuamu.h> |
| Antonio Nino Diaz | e0f9063 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 9 | #include <lib/el3_runtime/pubsub_events.h> |
| Dimitris Papastamos | 89736dd | 2018-02-13 11:28:02 +0000 | [diff] [blame] | 10 | |
| 11 | static void *cortex_ares_context_save(const void *arg) |
| 12 | { |
| 13 | if (midr_match(CORTEX_ARES_MIDR) != 0) |
| 14 | cpuamu_context_save(CORTEX_ARES_AMU_NR_COUNTERS); |
| Antonio Nino Diaz | 9fe40fd | 2018-10-25 17:11:02 +0100 | [diff] [blame] | 15 | |
| 16 | return (void *)0; |
| Dimitris Papastamos | 89736dd | 2018-02-13 11:28:02 +0000 | [diff] [blame] | 17 | } |
| 18 | |
| 19 | static void *cortex_ares_context_restore(const void *arg) |
| 20 | { |
| 21 | if (midr_match(CORTEX_ARES_MIDR) != 0) |
| 22 | cpuamu_context_restore(CORTEX_ARES_AMU_NR_COUNTERS); |
| Antonio Nino Diaz | 9fe40fd | 2018-10-25 17:11:02 +0100 | [diff] [blame] | 23 | |
| 24 | return (void *)0; |
| Dimitris Papastamos | 89736dd | 2018-02-13 11:28:02 +0000 | [diff] [blame] | 25 | } |
| 26 | |
| 27 | SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_start, cortex_ares_context_save); |
| 28 | SUBSCRIBE_TO_EVENT(psci_suspend_pwrdown_finish, cortex_ares_context_restore); |