| /* |
| * 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. |
| */ |
| |
| .global vm_cpu_entry |
| vm_cpu_entry: |
| /* Disable trapping floating point access in EL1. */ |
| mov x1, #(0x3 << 20) |
| msr cpacr_el1, x1 |
| isb |
| |
| /* Initialise stack from the cpu_start_state struct. */ |
| ldr x1, [x0] |
| mov sp, x1 |
| |
| /* Load entry function pointer and its argument. */ |
| ldr x1, [x0, 8] |
| ldr x0, [x0, 16] |
| |
| /* Branch to entry function. */ |
| blr x1 |
| |
| /* Entry function should not return, but if it does, spin. */ |
| b . |
