| /* |
| * FP/SIMD state saving and restoring |
| * |
| * Copyright (C) 2012 ARM Ltd. |
| * Author: Catalin Marinas <catalin.marinas@arm.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <linux/linkage.h> |
| |
| #include <asm/assembler.h> |
| #include <asm/fpsimdmacros.h> |
| |
| /* |
| * Save the FP registers. |
| * |
| * x0 - pointer to struct fpsimd_state |
| */ |
| ENTRY(fpsimd_save_state) |
| fpsimd_save x0, 8 |
| ret |
| ENDPROC(fpsimd_save_state) |
| |
| /* |
| * Load the FP registers. |
| * |
| * x0 - pointer to struct fpsimd_state |
| */ |
| ENTRY(fpsimd_load_state) |
| fpsimd_restore x0, 8 |
| ret |
| ENDPROC(fpsimd_load_state) |
| |
| #ifdef CONFIG_ARM64_SVE |
| ENTRY(sve_save_state) |
| sve_save 0, x1, 2 |
| ret |
| ENDPROC(sve_save_state) |
| |
| ENTRY(sve_load_state) |
| sve_load 0, x1, x2, 3, x4 |
| ret |
| ENDPROC(sve_load_state) |
| |
| ENTRY(sve_get_vl) |
| _sve_rdvl 0, 1 |
| ret |
| ENDPROC(sve_get_vl) |
| #endif /* CONFIG_ARM64_SVE */ |
