10  * See the COPYING file in the top-level directory.
18 #include "qemu/error-report.h"
30     uint64_t val = cpus->sts[addr];  in cpu_status_read()
40        mode by writing 0 at the beginning of legacy CPU bitmap  in cpu_status_write()
44         object_property_set_bool(cpus->device, "cpu-hotplug-legacy", false,  in cpu_status_write()
67     cpu_id = cpu->cc->get_arch_id(cpu);  in acpi_set_cpu_present_bit()
69         object_property_set_bool(g->device, "cpu-hotplug-legacy", false,  in acpi_set_cpu_present_bit()
76     g->sts[cpu_id / 8] |= (1 << (cpu_id % 8));  in acpi_set_cpu_present_bit()
100     memory_region_init_io(&gpe_cpu->io, owner, &AcpiCpuHotplug_ops,  in legacy_acpi_cpu_hotplug_init()
101                           gpe_cpu, "acpi-cpu-hotplug", ACPI_GPE_PROC_LEN);  in legacy_acpi_cpu_hotplug_init()
102     memory_region_add_subregion(parent, base, &gpe_cpu->io);  in legacy_acpi_cpu_hotplug_init()
103     gpe_cpu->device = owner;  in legacy_acpi_cpu_hotplug_init()
114     MemoryRegion *parent = pci_address_space_io(PCI_DEVICE(gpe_cpu->device));  in acpi_switch_to_modern_cphp()
116     memory_region_del_subregion(parent, &gpe_cpu->io);  in acpi_switch_to_modern_cphp()
117     cpu_hotplug_hw_init(parent, gpe_cpu->device, cpuhp_state, io_port);  in acpi_switch_to_modern_cphp()
141     const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine);  in build_legacy_cpu_hotplug_aml()
145      * _MAT method - creates an madt apic buffer  in build_legacy_cpu_hotplug_aml()
164      * _STA method - return ON status of cpu  in build_legacy_cpu_hotplug_aml()
225             /* State change - update CPON with new state */  in build_legacy_cpu_hotplug_aml()
250     if (x86ms->apic_id_limit > ACPI_CPU_HOTPLUG_ID_LIMIT) {  in build_legacy_cpu_hotplug_aml()
252                      x86ms->apic_id_limit - 1);  in build_legacy_cpu_hotplug_aml()
277     /* build Processor object for each processor */  in build_legacy_cpu_hotplug_aml()
278     for (i = 0; i < apic_ids->len; i++) {  in build_legacy_cpu_hotplug_aml()
279         int cpu_apic_id = apic_ids->cpus[i].arch_id;  in build_legacy_cpu_hotplug_aml()
307     /* build this code:  in build_legacy_cpu_hotplug_aml()
312     for (i = 0; i < apic_ids->len; i++) {  in build_legacy_cpu_hotplug_aml()
313         int cpu_apic_id = apic_ids->cpus[i].arch_id;  in build_legacy_cpu_hotplug_aml()
323     /* build "Name(CPON, Package() { One, One, ..., Zero, Zero, ... })"  in build_legacy_cpu_hotplug_aml()
325      * Note: The ability to create variable-sized packages was first  in build_legacy_cpu_hotplug_aml()
326      * introduced in ACPI 2.0. ACPI 1.0 only allowed fixed-size packages  in build_legacy_cpu_hotplug_aml()
330     pkg = x86ms->apic_id_limit <= 255 ? aml_package(x86ms->apic_id_limit) :  in build_legacy_cpu_hotplug_aml()
331                                         aml_varpackage(x86ms->apic_id_limit);  in build_legacy_cpu_hotplug_aml()
333     for (i = 0, apic_idx = 0; i < apic_ids->len; i++) {  in build_legacy_cpu_hotplug_aml()
334         int cpu_apic_id = apic_ids->cpus[i].arch_id;  in build_legacy_cpu_hotplug_aml()
339         aml_append(pkg, aml_int(apic_ids->cpus[i].cpu ? 1 : 0));  in build_legacy_cpu_hotplug_aml()