| /* |
| * 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. |
| */ |
| |
| #include "hf/cpu.h" |
| #include "hf/vm.h" |
| |
| /** |
| * The entry point of CPUs when they are turned on. It is supposed to initialise |
| * all state and return the first vCPU to run. |
| */ |
| struct vcpu *cpu_main(struct cpu *c) |
| { |
| struct vcpu *vcpu; |
| struct vm *vm; |
| |
| vcpu = vm_get_vcpu(vm_find(HF_PRIMARY_VM_ID), cpu_index(c)); |
| vm = vcpu->vm; |
| vcpu->cpu = c; |
| |
| /* Reset the registers to give a clean start for the primary's vCPU. */ |
| arch_regs_reset(&vcpu->regs, true, vm->id, c->id, vm->ptable.root); |
| |
| return vcpu; |
| } |