| /* | |
| * 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 */ |