From 0603839b18f4fb3bffa82515efcf5b02084505ef Mon Sep 17 00:00:00 2001 From: Huacai Chen Date: Tue, 31 May 2022 18:04:11 +0800 Subject: LoongArch: Add exception/interrupt handling Add the exception and interrupt handling machanism for basic LoongArch support. Reviewed-by: WANG Xuerui Reviewed-by: Jiaxun Yang Signed-off-by: Huacai Chen --- arch/loongarch/include/asm/hardirq.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 arch/loongarch/include/asm/hardirq.h (limited to 'arch/loongarch/include/asm/hardirq.h') diff --git a/arch/loongarch/include/asm/hardirq.h b/arch/loongarch/include/asm/hardirq.h new file mode 100644 index 000000000000..d32f83938880 --- /dev/null +++ b/arch/loongarch/include/asm/hardirq.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited + */ +#ifndef _ASM_HARDIRQ_H +#define _ASM_HARDIRQ_H + +#include +#include +#include + +extern void ack_bad_irq(unsigned int irq); +#define ack_bad_irq ack_bad_irq + +#define NR_IPI 2 + +typedef struct { + unsigned int ipi_irqs[NR_IPI]; + unsigned int __softirq_pending; +} ____cacheline_aligned irq_cpustat_t; + +DECLARE_PER_CPU_ALIGNED(irq_cpustat_t, irq_stat); + +#endif /* _ASM_HARDIRQ_H */ -- cgit