diff options
Diffstat (limited to 'hw/acpi/memory_hotplug_acpi_table.c')
| -rw-r--r-- | hw/acpi/memory_hotplug_acpi_table.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/acpi/memory_hotplug_acpi_table.c b/hw/acpi/memory_hotplug_acpi_table.c index 35fefbabe0..a21ef6fc1c 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); |