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acrn-kernel/arch/loongarch/include/asm/branch.h

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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 */