ARC: fpu: declutter code, move bits out into fpu.h (f05523aa) · Commits · 戴 / test

arch/arc/include/asm/fpu.h

0 → 100644

+29 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only */
		/*
		* Copyright (C) 2020 Synopsys, Inc. (www.synopsys.com)
		*
		*/

		#ifndef _ASM_ARC_FPU_H
		#define _ASM_ARC_FPU_H

		#ifdef CONFIG_ARC_FPU_SAVE_RESTORE

		#include <asm/ptrace.h>

		/* These DPFP regs need to be saved/restored across ctx-sw */
		struct arc_fpu {
		struct {
		unsigned int l, h;
		} aux_dpfp[2];
		};

		extern void fpu_save_restore(struct task_struct p, struct task_struct n);

		#else

		#define fpu_save_restore(p, n)

		#endif /* CONFIG_ARC_FPU_SAVE_RESTORE */

		#endif /* _ASM_ARC_FPU_H */

+1 −9

Original line number	Diff line number	Diff line
		@@ -14,15 +14,7 @@
		#ifndef __ASSEMBLY__

		#include <asm/ptrace.h>

		#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
		/* These DPFP regs need to be saved/restored across ctx-sw */
		struct arc_fpu {
		struct {
		unsigned int l, h;
		} aux_dpfp[2];
		};
		#endif
		#include <asm/fpu.h>

		#ifdef CONFIG_ARC_PLAT_EZNPS
		struct eznps_dp {

+2 −15

Original line number	Diff line number	Diff line
		@@ -9,19 +9,7 @@
		#ifndef __ASSEMBLY__

		#include <linux/sched.h>

		#ifdef CONFIG_ARC_FPU_SAVE_RESTORE

		extern void fpu_save_restore(struct task_struct p, struct task_struct n);
		#define ARC_FPU_PREV(p, n) fpu_save_restore(p, n)
		#define ARC_FPU_NEXT(t)

		#else

		#define ARC_FPU_PREV(p, n)
		#define ARC_FPU_NEXT(n)

		#endif /* !CONFIG_ARC_FPU_SAVE_RESTORE */
		#include <asm/fpu.h>

		#ifdef CONFIG_ARC_PLAT_EZNPS
		extern void dp_save_restore(struct task_struct p, struct task_struct n);
		@@ -36,9 +24,8 @@ struct task_struct __switch_to(struct task_struct p, struct task_struct *n);
		#define switch_to(prev, next, last) \
		do { \
		ARC_EZNPS_DP_PREV(prev, next); \
		ARC_FPU_PREV(prev, next); \
		fpu_save_restore(prev, next); \
		last = __switch_to(prev, next);\
		ARC_FPU_NEXT(next); \
		mb(); \
		} while (0)

+1 −1

Original line number	Diff line number	Diff line
		@@ -6,7 +6,7 @@
		*/

		#include <linux/sched.h>
		#include <asm/switch_to.h>
		#include <asm/fpu.h>

		/*
		* To save/restore FPU regs, simplest scheme would use LR/SR insns.