b2344f3e63
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*
|
|
* 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(pci_scope, mem_ctrl_dev);
|
|
aml_append(ctx, pci_scope);
|
|
}
|