/* * 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 [31mCONFIG_KERNEL_MODE_NEON[0m /* * Save the bottom n FP registers. * * x0 - pointer to struct fpsimd_partial_state */ ENTRY(fpsimd_save_partial_state) fpsimd_save_partial x0, 1, 8, 9 ret ENDPROC(fpsimd_save_partial_state) /* * Load the bottom n FP registers. * * x0 - pointer to struct fpsimd_partial_state */ ENTRY(fpsimd_load_partial_state) fpsimd_restore_partial x0, 8, 9 ret ENDPROC(fpsimd_load_partial_state) #endif |