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hw/intc/loongarch_ipi: Add loongarch IPI support

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Loongarch IPI is added here, it inherits from class
TYPE_LOONGSON_IPI_COMMON, and two interfaces get_iocsr_as() and
cpu_by_arch_id() are added for Loongarch 3A5000 machine. It can
be used when ipi is emulated in userspace with KVM mode.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
[PMD: Rebased and simplified]
Co-Developed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Tested-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20240805180622.21001-13-philmd@linaro.org>
This commit is contained in:
Bibo Mao 2024-07-17 23:11:30 +02:00 • committed by Philippe Mathieu-Daudé
parent ec8595578f
commit c403d5ff93
4 changed files with 98 additions and 0 deletions
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25
include/hw/intc/loongarch_ipi.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* LoongArch IPI interrupt header files
*
* Copyright (C) 2024 Loongson Technology Corporation Limited
*/
#ifndef HW_LOONGARCH_IPI_H
#define HW_LOONGARCH_IPI_H
#include "qom/object.h"
#include "hw/intc/loongson_ipi_common.h"
#define TYPE_LOONGARCH_IPI "loongarch_ipi"
OBJECT_DECLARE_TYPE(LoongarchIPIState, LoongarchIPIClass, LOONGARCH_IPI)
struct LoongarchIPIState {
LoongsonIPICommonState parent_obj;
};
struct LoongarchIPIClass {
LoongsonIPICommonClass parent_class;
};
#endif