Commit eb626c77 authored by Bibo Mao's avatar Bibo Mao Committed by Huacai Chen
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LoongArch: KVM: Add IRR and ISR register read emulation 



With LS7A user manual, there are registers PCH_PIC_INT_IRR_START
and PCH_PIC_INT_ISR_START. So add read access emulation in function
loongarch_pch_pic_read() here.

Signed-off-by: default avatarBibo Mao <maobibo@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent 2f412eb7

arch/loongarch/kvm/intc/pch_pic.c

+6 −0
Original line number Diff line number Diff line
@@ -168,6 +168,12 @@ static int loongarch_pch_pic_read(struct loongarch_pch_pic *s, gpa_t addr, int l 
		/* we only use defalut value 0: high level triggered */

		*(u32 *)val = 0;

		break;

	case PCH_PIC_INT_IRR_START:

		data = s->irr;

		break;

	case PCH_PIC_INT_ISR_START:

		data = s->isr;

		break;

	default:

		ret = -EINVAL;

	}