/*
 * 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_KERNEL_MODE_NEON

/*
 * 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
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