| /* Armv8-A RAS 1.1 extension system registers. |
| |
| Please note that early Armv8-a architectures do not officially support RAS |
| extension. |
| |
| Certain use cases require developers to enable only more generic architecture |
| (e.g. -march=armv8-a) during system development. Users must use RAS extension |
| registers bearing in mind that system they use must support it. */ |
| |
| /* Arm8-A. */ |
| .arch armv8-a |
| |
| /* RAS 1.1 Read/Write registers. */ |
| mrs x0, erxmisc2_el1 |
| mrs x0, erxmisc3_el1 |
| mrs x0, erxpfgcdn_el1 |
| mrs x0, erxpfgctl_el1 |
| msr erxmisc2_el1, x0 |
| msr erxmisc3_el1, x0 |
| msr erxpfgcdn_el1, x0 |
| msr erxpfgctl_el1, x0 |
| |
| /* RAS 1.1 Read-only registers. */ |
| mrs x0, erxpfgf_el1 |
| |
| /* Armv8-A + RAS. */ |
| .arch armv8-a+ras |
| /* RAS 1.1 Read/Write registers. */ |
| mrs x0, erxmisc2_el1 |
| mrs x0, erxmisc3_el1 |
| mrs x0, erxpfgcdn_el1 |
| mrs x0, erxpfgctl_el1 |
| msr erxmisc2_el1, x0 |
| msr erxmisc3_el1, x0 |
| msr erxpfgcdn_el1, x0 |
| msr erxpfgctl_el1, x0 |
| |
| /* RAS 1.1 Read-only registers. */ |
| mrs x0, erxpfgf_el1 |
