arch/loongarch/include/asm/branch.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
 */
#ifndef _ASM_BRANCH_H
#define _ASM_BRANCH_H

#include <asm/ptrace.h>

static inline unsigned long exception_era(struct pt_regs *regs)
{
	return regs->csr_era;
}

static inline void compute_return_era(struct pt_regs *regs)
{
	regs->csr_era += 4;
}

#endif /* _ASM_BRANCH_H */
LoongArch: Add exception/interrupt handling Add the exception and interrupt handling machanism for basic LoongArch support. Reviewed-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> 2022-05-31 18:04:11 +08:00			`/* SPDX-License-Identifier: GPL-2.0 */`
			`/*`
			`* Copyright (C) 2020-2022 Loongson Technology Corporation Limited`
			`*/`
			`#ifndef _ASM_BRANCH_H`
			`#define _ASM_BRANCH_H`

			`#include <asm/ptrace.h>`

			`static inline unsigned long exception_era(struct pt_regs *regs)`
			`{`
			`return regs->csr_era;`
			`}`

LoongArch: Make compute_return_era() return void compute_return_era() always returns 0, make it return void, and then no need to check its return value for its callers. Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> 2022-06-18 16:39:11 +08:00			`static inline void compute_return_era(struct pt_regs *regs)`
LoongArch: Add exception/interrupt handling Add the exception and interrupt handling machanism for basic LoongArch support. Reviewed-by: WANG Xuerui <git@xen0n.name> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> 2022-05-31 18:04:11 +08:00			`{`
			`regs->csr_era += 4;`
			`}`

			`#endif /* _ASM_BRANCH_H */`