| /* |
| * Copyright 2019 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/abort.h" |
| |
| /** |
| * Causes execution to halt and prevent progress of the current and less |
| * privileged software components. This should be triggered when a |
| * non-recoverable event is identified which leaves the system in an |
| * inconsistent state. |
| * |
| * TODO: Should this also reset the system? |
| */ |
| noreturn void abort(void) |
| { |
| /* TODO: Block all CPUs. */ |
| for (;;) { |
| /* Prevent loop being optimized away. */ |
| __asm__ volatile("nop"); |
| } |
| } |