// SPDX-License-Identifier: GPL-2.0-only/* * Copyright (C) 2023 SiFive */ #include <linux/export.h>#include <linux/preempt.h> #include <asm/csr.h>#include <asm/fpu.h>#include <asm/processor.h>#include <asm/switch_to.h> void kernel_fpu_begin(void){	preempt_disable();	fstate_save(current, task_pt_regs(current));	csr_set(CSR_SSTATUS, SR_FS);}EXPORT_SYMBOL_GPL(kernel_fpu_begin); void kernel_fpu_end(void){	csr_clear(CSR_SSTATUS, SR_FS);	fstate_restore(current, task_pt_regs(current));	preempt_enable();}EXPORT_SYMBOL_GPL(kernel_fpu_end);