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pc: acpi: cpuhp: move CPEJ() method to SSDT 

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>
This commit is contained in:
Igor Mammedov 2015-12-28 18:02:23 +01:00 committed by Michael S. Tsirkin
parent 1295e21a17
commit fbd7a6b8e2
5 changed files with 36 additions and 6 deletions
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2
hw/acpi/Makefile.objs
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@ -1,6 +1,6 @@
common-obj-$(CONFIG_ACPI_X86) += core.o piix4.o pcihp.o
common-obj-$(CONFIG_ACPI_X86_ICH) += ich9.o tco.o
common-obj-$(CONFIG_ACPI_CPU_HOTPLUG) += cpu_hotplug.o
common-obj-$(CONFIG_ACPI_CPU_HOTPLUG) += cpu_hotplug.o cpu_hotplug_acpi_table.o
common-obj-$(CONFIG_ACPI_MEMORY_HOTPLUG) += memory_hotplug.o memory_hotplug_acpi_table.o
common-obj-$(CONFIG_ACPI_NVDIMM) += nvdimm.o
common-obj-$(CONFIG_ACPI) += acpi_interface.o

28
hw/acpi/cpu_hotplug_acpi_table.c Normal file
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@ -0,0 +1,28 @@
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "hw/acpi/cpu_hotplug.h"
void build_cpu_hotplug_aml(Aml *ctx)
{
Aml *method;
Aml *sb_scope = aml_scope("_SB");
method = aml_method(CPU_EJECT_METHOD, 2, AML_NOTSERIALIZED);
aml_append(method, aml_sleep(200));
aml_append(sb_scope, method);
aml_append(ctx, sb_scope);
}

3
hw/i386/acpi-build.c
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@ -1080,6 +1080,7 @@ build_ssdt(GArray *table_data, GArray *linker,
/* Reserve space for header */
acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader));
build_cpu_hotplug_aml(ssdt);
build_memory_hotplug_aml(ssdt, nr_mem, pm->mem_hp_io_base,
pm->mem_hp_io_len);
@ -1326,7 +1327,7 @@ build_ssdt(GArray *table_data, GArray *linker,
method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
aml_append(method,
aml_return(aml_call2("CPEJ", aml_int(i), aml_arg(0)))
aml_return(aml_call2(CPU_EJECT_METHOD, aml_int(i), aml_arg(0)))
);
aml_append(dev, method);

4
hw/i386/acpi-dsdt-cpu-hotplug.dsl
View File

@ -48,10 +48,6 @@ Scope(\_SB) {
Return (0x0)
}
}
Method(CPEJ, 2, NotSerialized) {
// _EJ0 method - eject callback
Sleep(200)
}
Method(PRSC, 0) {
// Local5 = active cpu bitmap

5
include/hw/acpi/cpu_hotplug.h
View File

@ -14,6 +14,7 @@
#include "hw/acpi/acpi.h"
#include "hw/acpi/pc-hotplug.h"
#include "hw/acpi/aml-build.h"
typedef struct AcpiCpuHotplug {
MemoryRegion io;
@ -25,4 +26,8 @@ void acpi_cpu_plug_cb(ACPIREGS *ar, qemu_irq irq,
void acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner,
AcpiCpuHotplug *gpe_cpu, uint16_t base);
#define CPU_EJECT_METHOD "CPEJ"
void build_cpu_hotplug_aml(Aml *ctx);
#endif