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/*
* Memory hotplug AML code of DSDT ACPI table
*
* Copyright (C) 2015 Red Hat Inc
*
* Author: Igor Mammedov <imammedo@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include <stdbool.h>
#include "hw/acpi/memory_hotplug.h"
#include "include/hw/acpi/pc-hotplug.h"
#include "hw/boards.h"
void build_memory_hotplug_aml(Aml *ctx, uint32_t nr_mem,
uint16_t io_base, uint16_t io_len)
{
Aml *ifctx;
Aml *method;
Aml *pci_scope;
Aml *mem_ctrl_dev;
/* scope for memory hotplug controller device node */
pci_scope = aml_scope("_SB.PCI0");
mem_ctrl_dev = aml_scope(stringify(MEMORY_HOTPLUG_DEVICE));
{
Aml *zero = aml_int(0);
Aml *slots_nr = aml_name(stringify(MEMORY_SLOTS_NUMBER));
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
ifctx = aml_if(aml_equal(slots_nr, zero));
{
aml_append(ifctx, aml_return(zero));
}
aml_append(method, ifctx);
/* present, functioning, decoding, not shown in UI */
aml_append(method, aml_return(aml_int(0xB)));
aml_append(mem_ctrl_dev, method);
aml_append(mem_ctrl_dev, aml_mutex(stringify(MEMORY_SLOT_LOCK), 0));
}
aml_append(pci_scope, mem_ctrl_dev);
aml_append(ctx, pci_scope);
}
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