| /* |
| * Copyright 2018 The Hafnium Authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <stdbool.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <stdnoreturn.h> |
| |
| #include "hf/arch/types.h" |
| |
| enum power_status { |
| POWER_STATUS_ON, |
| POWER_STATUS_OFF, |
| POWER_STATUS_ON_PENDING, |
| }; |
| |
| /** |
| * Holds temporary state used to set up the environment on which CPUs will |
| * start executing. |
| * |
| * vm_cpu_entry() depends on the layout of this struct. |
| */ |
| struct arch_cpu_start_state { |
| uintptr_t initial_sp; |
| void (*entry)(uintreg_t arg); |
| uintreg_t arg; |
| }; |
| |
| bool arch_cpu_start(uintptr_t id, struct arch_cpu_start_state *s); |
| |
| noreturn void arch_cpu_stop(void); |
| enum power_status arch_cpu_status(cpu_id_t cpu_id); |
| |
| noreturn void arch_power_off(void); |
| noreturn void arch_reboot(void); |