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97 lines
3.2 KiB
C
97 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* QEMU Loongson 7A1000 I/O interrupt controller.
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* Copyright (C) 2024 Loongson Technology Corporation Limited
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "hw/intc/loongarch_pic_common.h"
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#include "hw/qdev-properties.h"
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#include "migration/vmstate.h"
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static int loongarch_pic_pre_save(void *opaque)
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{
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LoongArchPICCommonState *s = (LoongArchPICCommonState *)opaque;
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LoongArchPICCommonClass *lpcc = LOONGARCH_PIC_COMMON_GET_CLASS(s);
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if (lpcc->pre_save) {
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return lpcc->pre_save(s);
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}
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return 0;
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}
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static int loongarch_pic_post_load(void *opaque, int version_id)
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{
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LoongArchPICCommonState *s = (LoongArchPICCommonState *)opaque;
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LoongArchPICCommonClass *lpcc = LOONGARCH_PIC_COMMON_GET_CLASS(s);
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if (lpcc->post_load) {
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return lpcc->post_load(s, version_id);
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}
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return 0;
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}
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static void loongarch_pic_common_realize(DeviceState *dev, Error **errp)
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{
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LoongArchPICCommonState *s = LOONGARCH_PIC_COMMON(dev);
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if (!s->irq_num || s->irq_num > VIRT_PCH_PIC_IRQ_NUM) {
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error_setg(errp, "Invalid 'pic_irq_num'");
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return;
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}
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}
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static const Property loongarch_pic_common_properties[] = {
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DEFINE_PROP_UINT32("pch_pic_irq_num", LoongArchPICCommonState, irq_num, 0),
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};
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static const VMStateDescription vmstate_loongarch_pic_common = {
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.name = "loongarch_pch_pic",
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.version_id = 1,
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.minimum_version_id = 1,
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.pre_save = loongarch_pic_pre_save,
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.post_load = loongarch_pic_post_load,
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.fields = (const VMStateField[]) {
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VMSTATE_UINT64(int_mask, LoongArchPICCommonState),
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VMSTATE_UINT64(htmsi_en, LoongArchPICCommonState),
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VMSTATE_UINT64(intedge, LoongArchPICCommonState),
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VMSTATE_UINT64(intclr, LoongArchPICCommonState),
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VMSTATE_UINT64(auto_crtl0, LoongArchPICCommonState),
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VMSTATE_UINT64(auto_crtl1, LoongArchPICCommonState),
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VMSTATE_UINT8_ARRAY(route_entry, LoongArchPICCommonState, 64),
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VMSTATE_UINT8_ARRAY(htmsi_vector, LoongArchPICCommonState, 64),
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VMSTATE_UINT64(last_intirr, LoongArchPICCommonState),
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VMSTATE_UINT64(intirr, LoongArchPICCommonState),
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VMSTATE_UINT64(intisr, LoongArchPICCommonState),
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VMSTATE_UINT64(int_polarity, LoongArchPICCommonState),
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VMSTATE_END_OF_LIST()
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}
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};
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static void loongarch_pic_common_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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LoongArchPICCommonClass *lpcc = LOONGARCH_PIC_COMMON_CLASS(klass);
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device_class_set_parent_realize(dc, loongarch_pic_common_realize,
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&lpcc->parent_realize);
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device_class_set_props(dc, loongarch_pic_common_properties);
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dc->vmsd = &vmstate_loongarch_pic_common;
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}
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static const TypeInfo loongarch_pic_common_types[] = {
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{
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.name = TYPE_LOONGARCH_PIC_COMMON,
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(LoongArchPICCommonState),
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.class_size = sizeof(LoongArchPICCommonClass),
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.class_init = loongarch_pic_common_class_init,
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.abstract = true,
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}
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};
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DEFINE_TYPES(loongarch_pic_common_types)
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