qemu-e2k/hw/virtio/virtio-acpi.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* virtio ACPI Support
*
*/
#include "qemu/osdep.h"
#include "hw/virtio/virtio-acpi.h"
#include "hw/acpi/aml-build.h"
void virtio_acpi_dsdt_add(Aml *scope, const hwaddr base, const hwaddr size,
uint32_t mmio_irq, long int start_index, int num)
{
hwaddr virtio_base = base;
uint32_t irq = mmio_irq;
long int i;
for (i = start_index; i < start_index + num; i++) {
Aml *dev = aml_device("VR%02u", (unsigned)i);
aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0005")));
aml_append(dev, aml_name_decl("_UID", aml_int(i)));
aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
Aml *crs = aml_resource_template();
aml_append(crs, aml_memory32_fixed(virtio_base, size, AML_READ_WRITE));
aml_append(crs,
aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, &irq, 1));
aml_append(dev, aml_name_decl("_CRS", crs));
aml_append(scope, dev);
virtio_base += size;
irq++;
}
}