| /* |
| * Copyright 2018 Google LLC |
| * |
| * 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 <stdbool.h> |
| #include <stddef.h> |
| |
| #include "hf/arch/cpu.h" |
| |
| #include "hf/addr.h" |
| #include "hf/dlog.h" |
| |
| #include "msr.h" |
| |
| #define HCR_EL2_VI (1u << 7) |
| |
| void arch_regs_set_virtual_interrupt(struct arch_regs *r, bool enable) |
| { |
| if (enable) { |
| r->lazy.hcr_el2 |= HCR_EL2_VI; |
| } else { |
| r->lazy.hcr_el2 &= ~HCR_EL2_VI; |
| } |
| if (¤t()->regs == r) { |
| write_msr(hcr_el2, r->lazy.hcr_el2); |
| } |
| } |