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-rw-r--r--hw/acpi/memory_hotplug_acpi_table.c14
-rw-r--r--hw/i386/acpi-dsdt-mem-hotplug.dsl8
2 files changed, 14 insertions, 8 deletions
diff --git a/hw/acpi/memory_hotplug_acpi_table.c b/hw/acpi/memory_hotplug_acpi_table.c
index 35fefba..a21ef6f 100644
--- a/hw/acpi/memory_hotplug_acpi_table.c
+++ b/hw/acpi/memory_hotplug_acpi_table.c
@@ -17,6 +17,8 @@
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;
@@ -24,6 +26,18 @@ void build_memory_hotplug_aml(Aml *ctx, uint32_t nr_mem,
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);
diff --git a/hw/i386/acpi-dsdt-mem-hotplug.dsl b/hw/i386/acpi-dsdt-mem-hotplug.dsl
index c2bb6a1..b4eacc9 100644
--- a/hw/i386/acpi-dsdt-mem-hotplug.dsl
+++ b/hw/i386/acpi-dsdt-mem-hotplug.dsl
@@ -35,14 +35,6 @@
External(MEMORY_SLOT_OST_EVENT, FieldUnitObj) // _OST event code, write only
External(MEMORY_SLOT_OST_STATUS, FieldUnitObj) // _OST status code, write only
- Method(_STA, 0) {
- If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) {
- Return(0x0)
- }
- /* present, functioning, decoding, not shown in UI */
- Return(0xB)
- }
-
Mutex (MEMORY_SLOT_LOCK, 0)
Method(MEMORY_SLOT_SCAN_METHOD, 0) {