/* ACPI 1.0b: 16.2.5.1 Name Space Modifier Objects Encoding: DefAlias */
Aml *aml_alias(const char *source_object, const char *alias_object)
{
Aml *var = aml_opcode(0x06 /* AliasOp */);
aml_append(var, aml_name("%s", source_object));
aml_append(var, aml_name("%s", alias_object));
return var;
}
static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap,
uint32_t gpio_irq)
{
Aml *dev = aml_device("GPO0");
aml_append(dev, aml_name_decl("_HID", aml_string("ARMH0061")));
aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
aml_append(dev, aml_name_decl("_UID", aml_int(0)));
Aml *crs = aml_resource_template();
aml_append(crs, aml_memory32_fixed(gpio_memmap->base, gpio_memmap->size,
AML_READ_WRITE));
aml_append(crs, aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, &gpio_irq, 1));
aml_append(dev, aml_name_decl("_CRS", crs));
Aml *aei = aml_resource_template();
/* Pin 3 for power button */
const uint32_t pin_list[1] = {3};
aml_append(aei, aml_gpio_int(AML_CONSUMER, AML_EDGE, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, AML_PULL_UP, 0, pin_list, 1,
"GPO0", NULL, 0));
aml_append(dev, aml_name_decl("_AEI", aei));
/* _E03 is handle for power button */
Aml *method = aml_method("_E03", 0, AML_NOTSERIALIZED);
aml_append(method, aml_notify(aml_name(ACPI_POWER_BUTTON_DEVICE),
aml_int(0x80)));
aml_append(dev, method);
aml_append(scope, dev);
}
static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap,
uint32_t irq, bool use_highmem)
{
Aml *method, *crs, *ifctx, *UUID, *ifctx1, *elsectx, *buf;
int i, bus_no;
hwaddr base_mmio = memmap[VIRT_PCIE_MMIO].base;
hwaddr size_mmio = memmap[VIRT_PCIE_MMIO].size;
hwaddr base_pio = memmap[VIRT_PCIE_PIO].base;
hwaddr size_pio = memmap[VIRT_PCIE_PIO].size;
hwaddr base_ecam = memmap[VIRT_PCIE_ECAM].base;
hwaddr size_ecam = memmap[VIRT_PCIE_ECAM].size;
int nr_pcie_buses = size_ecam / PCIE_MMCFG_SIZE_MIN;
Aml *dev = aml_device("%s", "PCI0");
aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A08")));
aml_append(dev, aml_name_decl("_CID", aml_string("PNP0A03")));
aml_append(dev, aml_name_decl("_SEG", aml_int(0)));
aml_append(dev, aml_name_decl("_BBN", aml_int(0)));
aml_append(dev, aml_name_decl("_ADR", aml_int(0)));
aml_append(dev, aml_name_decl("_UID", aml_string("PCI0")));
aml_append(dev, aml_name_decl("_STR", aml_unicode("PCIe 0 Device")));
aml_append(dev, aml_name_decl("_CCA", aml_int(1)));
/* Declare the PCI Routing Table. */
Aml *rt_pkg = aml_package(nr_pcie_buses * PCI_NUM_PINS);
for (bus_no = 0; bus_no < nr_pcie_buses; bus_no++) {
for (i = 0; i < PCI_NUM_PINS; i++) {
int gsi = (i + bus_no) % PCI_NUM_PINS;
Aml *pkg = aml_package(4);
aml_append(pkg, aml_int((bus_no << 16) | 0xFFFF));
aml_append(pkg, aml_int(i));
aml_append(pkg, aml_name("GSI%d", gsi));
aml_append(pkg, aml_int(0));
aml_append(rt_pkg, pkg);
}
}
aml_append(dev, aml_name_decl("_PRT", rt_pkg));
/* Create GSI link device */
for (i = 0; i < PCI_NUM_PINS; i++) {
uint32_t irqs = irq + i;
Aml *dev_gsi = aml_device("GSI%d", i);
aml_append(dev_gsi, aml_name_decl("_HID", aml_string("PNP0C0F")));
aml_append(dev_gsi, aml_name_decl("_UID", aml_int(0)));
crs = aml_resource_template();
aml_append(crs,
aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, &irqs, 1));
aml_append(dev_gsi, aml_name_decl("_PRS", crs));
crs = aml_resource_template();
aml_append(crs,
aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, &irqs, 1));
aml_append(dev_gsi, aml_name_decl("_CRS", crs));
method = aml_method("_SRS", 1, AML_NOTSERIALIZED);
aml_append(dev_gsi, method);
aml_append(dev, dev_gsi);
}
method = aml_method("_CBA", 0, AML_NOTSERIALIZED);
aml_append(method, aml_return(aml_int(base_ecam)));
aml_append(dev, method);
method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
Aml *rbuf = aml_resource_template();
aml_append(rbuf,
aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
0x0000, 0x0000, nr_pcie_buses - 1, 0x0000,
nr_pcie_buses));
aml_append(rbuf,
aml_dword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000, base_mmio,
base_mmio + size_mmio - 1, 0x0000, size_mmio));
aml_append(rbuf,
aml_dword_io(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
AML_ENTIRE_RANGE, 0x0000, 0x0000, size_pio - 1, base_pio,
size_pio));
if (use_highmem) {
hwaddr base_mmio_high = memmap[VIRT_PCIE_MMIO_HIGH].base;
hwaddr size_mmio_high = memmap[VIRT_PCIE_MMIO_HIGH].size;
aml_append(rbuf,
aml_qword_memory(AML_POS_DECODE, AML_MIN_FIXED, AML_MAX_FIXED,
AML_NON_CACHEABLE, AML_READ_WRITE, 0x0000,
base_mmio_high, base_mmio_high, 0x0000,
size_mmio_high));
}
aml_append(method, aml_name_decl("RBUF", rbuf));
aml_append(method, aml_return(rbuf));
aml_append(dev, method);
/* Declare an _OSC (OS Control Handoff) method */
aml_append(dev, aml_name_decl("SUPP", aml_int(0)));
aml_append(dev, aml_name_decl("CTRL", aml_int(0)));
method = aml_method("_OSC", 4, AML_NOTSERIALIZED);
aml_append(method,
aml_create_dword_field(aml_arg(3), aml_int(0), "CDW1"));
/* PCI Firmware Specification 3.0
* 4.5.1. _OSC Interface for PCI Host Bridge Devices
* The _OSC interface for a PCI/PCI-X/PCI Express hierarchy is
* identified by the Universal Unique IDentifier (UUID)
* 33DB4D5B-1FF7-401C-9657-7441C03DD766
*/
UUID = aml_touuid("33DB4D5B-1FF7-401C-9657-7441C03DD766");
ifctx = aml_if(aml_equal(aml_arg(0), UUID));
aml_append(ifctx,
aml_create_dword_field(aml_arg(3), aml_int(4), "CDW2"));
aml_append(ifctx,
aml_create_dword_field(aml_arg(3), aml_int(8), "CDW3"));
aml_append(ifctx, aml_store(aml_name("CDW2"), aml_name("SUPP")));
aml_append(ifctx, aml_store(aml_name("CDW3"), aml_name("CTRL")));
aml_append(ifctx, aml_store(aml_and(aml_name("CTRL"), aml_int(0x1D), NULL),
aml_name("CTRL")));
ifctx1 = aml_if(aml_lnot(aml_equal(aml_arg(1), aml_int(0x1))));
aml_append(ifctx1, aml_store(aml_or(aml_name("CDW1"), aml_int(0x08), NULL),
aml_name("CDW1")));
aml_append(ifctx, ifctx1);
ifctx1 = aml_if(aml_lnot(aml_equal(aml_name("CDW3"), aml_name("CTRL"))));
aml_append(ifctx1, aml_store(aml_or(aml_name("CDW1"), aml_int(0x10), NULL),
aml_name("CDW1")));
aml_append(ifctx, ifctx1);
aml_append(ifctx, aml_store(aml_name("CTRL"), aml_name("CDW3")));
aml_append(ifctx, aml_return(aml_arg(3)));
aml_append(method, ifctx);
elsectx = aml_else();
aml_append(elsectx, aml_store(aml_or(aml_name("CDW1"), aml_int(4), NULL),
aml_name("CDW1")));
aml_append(elsectx, aml_return(aml_arg(3)));
aml_append(method, elsectx);
aml_append(dev, method);
method = aml_method("_DSM", 4, AML_NOTSERIALIZED);
/* PCI Firmware Specification 3.0
* 4.6.1. _DSM for PCI Express Slot Information
* The UUID in _DSM in this context is
* {E5C937D0-3553-4D7A-9117-EA4D19C3434D}
*/
UUID = aml_touuid("E5C937D0-3553-4D7A-9117-EA4D19C3434D");
ifctx = aml_if(aml_equal(aml_arg(0), UUID));
ifctx1 = aml_if(aml_equal(aml_arg(2), aml_int(0)));
uint8_t byte_list[1] = {1};
buf = aml_buffer(1, byte_list);
aml_append(ifctx1, aml_return(buf));
aml_append(ifctx, ifctx1);
aml_append(method, ifctx);
byte_list[0] = 0;
buf = aml_buffer(1, byte_list);
aml_append(method, aml_return(buf));
aml_append(dev, method);
Aml *dev_rp0 = aml_device("%s", "RP0");
aml_append(dev_rp0, aml_name_decl("_ADR", aml_int(0)));
aml_append(dev, dev_rp0);
aml_append(scope, dev);
}
void build_cpu_hotplug_aml(Aml *ctx)
{
Aml *method;
Aml *if_ctx;
Aml *else_ctx;
Aml *sb_scope = aml_scope("_SB");
uint8_t madt_tmpl[8] = {0x00, 0x08, 0x00, 0x00, 0x00, 0, 0, 0};
Aml *cpu_id = aml_arg(0);
Aml *cpu_on = aml_local(0);
Aml *madt = aml_local(1);
Aml *cpus_map = aml_name(CPU_ON_BITMAP);
Aml *zero = aml_int(0);
Aml *one = aml_int(1);
/*
* _MAT method - creates an madt apic buffer
* cpu_id = Arg0 = Processor ID = Local APIC ID
* cpu_on = Local0 = CPON flag for this cpu
* madt = Local1 = Buffer (in madt apic form) to return
*/
method = aml_method(CPU_MAT_METHOD, 1, AML_NOTSERIALIZED);
aml_append(method,
aml_store(aml_derefof(aml_index(cpus_map, cpu_id)), cpu_on));
aml_append(method,
aml_store(aml_buffer(sizeof(madt_tmpl), madt_tmpl), madt));
/* Update the processor id, lapic id, and enable/disable status */
aml_append(method, aml_store(cpu_id, aml_index(madt, aml_int(2))));
aml_append(method, aml_store(cpu_id, aml_index(madt, aml_int(3))));
aml_append(method, aml_store(cpu_on, aml_index(madt, aml_int(4))));
aml_append(method, aml_return(madt));
aml_append(sb_scope, method);
/*
* _STA method - return ON status of cpu
* cpu_id = Arg0 = Processor ID = Local APIC ID
* cpu_on = Local0 = CPON flag for this cpu
*/
method = aml_method(CPU_STATUS_METHOD, 1, AML_NOTSERIALIZED);
aml_append(method,
aml_store(aml_derefof(aml_index(cpus_map, cpu_id)), cpu_on));
if_ctx = aml_if(cpu_on);
{
aml_append(if_ctx, aml_return(aml_int(0xF)));
}
aml_append(method, if_ctx);
else_ctx = aml_else();
{
aml_append(else_ctx, aml_return(zero));
}
aml_append(method, else_ctx);
aml_append(sb_scope, method);
method = aml_method(CPU_EJECT_METHOD, 2, AML_NOTSERIALIZED);
aml_append(method, aml_sleep(200));
aml_append(sb_scope, method);
method = aml_method(CPU_SCAN_METHOD, 0, AML_NOTSERIALIZED);
{
Aml *while_ctx, *if_ctx2, *else_ctx2;
Aml *bus_check_evt = aml_int(1);
Aml *remove_evt = aml_int(3);
Aml *status_map = aml_local(5); /* Local5 = active cpu bitmap */
Aml *byte = aml_local(2); /* Local2 = last read byte from bitmap */
Aml *idx = aml_local(0); /* Processor ID / APIC ID iterator */
Aml *is_cpu_on = aml_local(1); /* Local1 = CPON flag for cpu */
Aml *status = aml_local(3); /* Local3 = active state for cpu */
aml_append(method, aml_store(aml_name(CPU_STATUS_MAP), status_map));
aml_append(method, aml_store(zero, byte));
aml_append(method, aml_store(zero, idx));
/* While (idx < SizeOf(CPON)) */
while_ctx = aml_while(aml_lless(idx, aml_sizeof(cpus_map)));
aml_append(while_ctx,
aml_store(aml_derefof(aml_index(cpus_map, idx)), is_cpu_on));
if_ctx = aml_if(aml_and(idx, aml_int(0x07), NULL));
{
/* Shift down previously read bitmap byte */
aml_append(if_ctx, aml_shiftright(byte, one, byte));
}
aml_append(while_ctx, if_ctx);
else_ctx = aml_else();
{
/* Read next byte from cpu bitmap */
aml_append(else_ctx, aml_store(aml_derefof(aml_index(status_map,
aml_shiftright(idx, aml_int(3), NULL))), byte));
}
aml_append(while_ctx, else_ctx);
aml_append(while_ctx, aml_store(aml_and(byte, one, NULL), status));
if_ctx = aml_if(aml_lnot(aml_equal(is_cpu_on, status)));
{
/* State change - update CPON with new state */
aml_append(if_ctx, aml_store(status, aml_index(cpus_map, idx)));
if_ctx2 = aml_if(aml_equal(status, one));
{
aml_append(if_ctx2,
aml_call2(AML_NOTIFY_METHOD, idx, bus_check_evt));
}
aml_append(if_ctx, if_ctx2);
else_ctx2 = aml_else();
{
aml_append(else_ctx2,
aml_call2(AML_NOTIFY_METHOD, idx, remove_evt));
}
}
aml_append(if_ctx, else_ctx2);
aml_append(while_ctx, if_ctx);
aml_append(while_ctx, aml_increment(idx)); /* go to next cpu */
aml_append(method, while_ctx);
}
aml_append(sb_scope, method);
aml_append(ctx, sb_scope);
}
void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts,
hwaddr io_base,
const char *res_root,
const char *event_handler_method)
{
Aml *ifctx;
Aml *field;
Aml *method;
Aml *cpu_ctrl_dev;
Aml *cpus_dev;
Aml *zero = aml_int(0);
Aml *one = aml_int(1);
Aml *sb_scope = aml_scope("_SB");
MachineClass *mc = MACHINE_GET_CLASS(machine);
const CPUArchIdList *arch_ids = mc->possible_cpu_arch_ids(machine);
char *cphp_res_path = g_strdup_printf("%s." CPUHP_RES_DEVICE, res_root);
Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, NULL);
AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj);
AcpiDeviceIf *adev = ACPI_DEVICE_IF(obj);
cpu_ctrl_dev = aml_device("%s", cphp_res_path);
{
Aml *crs;
aml_append(cpu_ctrl_dev,
aml_name_decl("_HID", aml_eisaid("PNP0A06")));
aml_append(cpu_ctrl_dev,
aml_name_decl("_UID", aml_string("CPU Hotplug resources")));
aml_append(cpu_ctrl_dev, aml_mutex(CPU_LOCK, 0));
crs = aml_resource_template();
aml_append(crs, aml_io(AML_DECODE16, io_base, io_base, 1,
ACPI_CPU_HOTPLUG_REG_LEN));
aml_append(cpu_ctrl_dev, aml_name_decl("_CRS", crs));
/* declare CPU hotplug MMIO region with related access fields */
aml_append(cpu_ctrl_dev,
aml_operation_region("PRST", AML_SYSTEM_IO, aml_int(io_base),
ACPI_CPU_HOTPLUG_REG_LEN));
field = aml_field("PRST", AML_BYTE_ACC, AML_NOLOCK,
AML_WRITE_AS_ZEROS);
aml_append(field, aml_reserved_field(ACPI_CPU_FLAGS_OFFSET_RW * 8));
/* 1 if enabled, read only */
aml_append(field, aml_named_field(CPU_ENABLED, 1));
/* (read) 1 if has a insert event. (write) 1 to clear event */
aml_append(field, aml_named_field(CPU_INSERT_EVENT, 1));
/* (read) 1 if has a remove event. (write) 1 to clear event */
aml_append(field, aml_named_field(CPU_REMOVE_EVENT, 1));
/* initiates device eject, write only */
aml_append(field, aml_named_field(CPU_EJECT_EVENT, 1));
aml_append(field, aml_reserved_field(4));
aml_append(field, aml_named_field(CPU_COMMAND, 8));
aml_append(cpu_ctrl_dev, field);
field = aml_field("PRST", AML_DWORD_ACC, AML_NOLOCK, AML_PRESERVE);
/* CPU selector, write only */
aml_append(field, aml_named_field(CPU_SELECTOR, 32));
/* flags + cmd + 2byte align */
aml_append(field, aml_reserved_field(4 * 8));
aml_append(field, aml_named_field(CPU_DATA, 32));
aml_append(cpu_ctrl_dev, field);
if (opts.has_legacy_cphp) {
method = aml_method("_INI", 0, AML_SERIALIZED);
/* switch off legacy CPU hotplug HW and use new one,
* on reboot system is in new mode and writing 0
* in CPU_SELECTOR selects BSP, which is NOP at
* the time _INI is called */
aml_append(method, aml_store(zero, aml_name(CPU_SELECTOR)));
aml_append(cpu_ctrl_dev, method);
}
}
aml_append(sb_scope, cpu_ctrl_dev);
cpus_dev = aml_device("\\_SB.CPUS");
{
int i;
Aml *ctrl_lock = aml_name("%s.%s", cphp_res_path, CPU_LOCK);
Aml *cpu_selector = aml_name("%s.%s", cphp_res_path, CPU_SELECTOR);
Aml *is_enabled = aml_name("%s.%s", cphp_res_path, CPU_ENABLED);
Aml *cpu_cmd = aml_name("%s.%s", cphp_res_path, CPU_COMMAND);
Aml *cpu_data = aml_name("%s.%s", cphp_res_path, CPU_DATA);
Aml *ins_evt = aml_name("%s.%s", cphp_res_path, CPU_INSERT_EVENT);
Aml *rm_evt = aml_name("%s.%s", cphp_res_path, CPU_REMOVE_EVENT);
Aml *ej_evt = aml_name("%s.%s", cphp_res_path, CPU_EJECT_EVENT);
aml_append(cpus_dev, aml_name_decl("_HID", aml_string("ACPI0010")));
aml_append(cpus_dev, aml_name_decl("_CID", aml_eisaid("PNP0A05")));
method = aml_method(CPU_NOTIFY_METHOD, 2, AML_NOTSERIALIZED);
for (i = 0; i < arch_ids->len; i++) {
Aml *cpu = aml_name(CPU_NAME_FMT, i);
Aml *uid = aml_arg(0);
Aml *event = aml_arg(1);
ifctx = aml_if(aml_equal(uid, aml_int(i)));
{
aml_append(ifctx, aml_notify(cpu, event));
}
aml_append(method, ifctx);
}
aml_append(cpus_dev, method);
method = aml_method(CPU_STS_METHOD, 1, AML_SERIALIZED);
{
Aml *idx = aml_arg(0);
Aml *sta = aml_local(0);
aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
aml_append(method, aml_store(idx, cpu_selector));
aml_append(method, aml_store(zero, sta));
ifctx = aml_if(aml_equal(is_enabled, one));
{
aml_append(ifctx, aml_store(aml_int(0xF), sta));
}
aml_append(method, ifctx);
aml_append(method, aml_release(ctrl_lock));
aml_append(method, aml_return(sta));
}
aml_append(cpus_dev, method);
method = aml_method(CPU_EJECT_METHOD, 1, AML_SERIALIZED);
{
Aml *idx = aml_arg(0);
aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
aml_append(method, aml_store(idx, cpu_selector));
aml_append(method, aml_store(one, ej_evt));
aml_append(method, aml_release(ctrl_lock));
}
aml_append(cpus_dev, method);
method = aml_method(CPU_SCAN_METHOD, 0, AML_SERIALIZED);
{
Aml *else_ctx;
Aml *while_ctx;
Aml *has_event = aml_local(0);
Aml *dev_chk = aml_int(1);
Aml *eject_req = aml_int(3);
Aml *next_cpu_cmd = aml_int(CPHP_GET_NEXT_CPU_WITH_EVENT_CMD);
aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
aml_append(method, aml_store(one, has_event));
while_ctx = aml_while(aml_equal(has_event, one));
{
/* clear loop exit condition, ins_evt/rm_evt checks
* will set it to 1 while next_cpu_cmd returns a CPU
* with events */
aml_append(while_ctx, aml_store(zero, has_event));
aml_append(while_ctx, aml_store(next_cpu_cmd, cpu_cmd));
ifctx = aml_if(aml_equal(ins_evt, one));
{
aml_append(ifctx,
aml_call2(CPU_NOTIFY_METHOD, cpu_data, dev_chk));
aml_append(ifctx, aml_store(one, ins_evt));
aml_append(ifctx, aml_store(one, has_event));
}
aml_append(while_ctx, ifctx);
else_ctx = aml_else();
ifctx = aml_if(aml_equal(rm_evt, one));
{
aml_append(ifctx,
aml_call2(CPU_NOTIFY_METHOD, cpu_data, eject_req));
aml_append(ifctx, aml_store(one, rm_evt));
aml_append(ifctx, aml_store(one, has_event));
}
aml_append(else_ctx, ifctx);
aml_append(while_ctx, else_ctx);
}
aml_append(method, while_ctx);
aml_append(method, aml_release(ctrl_lock));
}
aml_append(cpus_dev, method);
method = aml_method(CPU_OST_METHOD, 4, AML_SERIALIZED);
{
Aml *uid = aml_arg(0);
Aml *ev_cmd = aml_int(CPHP_OST_EVENT_CMD);
Aml *st_cmd = aml_int(CPHP_OST_STATUS_CMD);
aml_append(method, aml_acquire(ctrl_lock, 0xFFFF));
aml_append(method, aml_store(uid, cpu_selector));
aml_append(method, aml_store(ev_cmd, cpu_cmd));
aml_append(method, aml_store(aml_arg(1), cpu_data));
aml_append(method, aml_store(st_cmd, cpu_cmd));
aml_append(method, aml_store(aml_arg(2), cpu_data));
aml_append(method, aml_release(ctrl_lock));
}
aml_append(cpus_dev, method);
/* build Processor object for each processor */
for (i = 0; i < arch_ids->len; i++) {
Aml *dev;
Aml *uid = aml_int(i);
GArray *madt_buf = g_array_new(0, 1, 1);
int arch_id = arch_ids->cpus[i].arch_id;
if (opts.acpi_1_compatible && arch_id < 255) {
dev = aml_processor(i, 0, 0, CPU_NAME_FMT, i);
} else {
dev = aml_device(CPU_NAME_FMT, i);
aml_append(dev, aml_name_decl("_HID", aml_string("ACPI0007")));
aml_append(dev, aml_name_decl("_UID", uid));
}
method = aml_method("_STA", 0, AML_SERIALIZED);
aml_append(method, aml_return(aml_call1(CPU_STS_METHOD, uid)));
aml_append(dev, method);
/* build _MAT object */
assert(adevc && adevc->madt_cpu);
adevc->madt_cpu(adev, i, arch_ids, madt_buf);
switch (madt_buf->data[0]) {
case ACPI_APIC_PROCESSOR: {
AcpiMadtProcessorApic *apic = (void *)madt_buf->data;
apic->flags = cpu_to_le32(1);
break;
}
case ACPI_APIC_LOCAL_X2APIC: {
AcpiMadtProcessorX2Apic *apic = (void *)madt_buf->data;
apic->flags = cpu_to_le32(1);
break;
}
default:
assert(0);
}
aml_append(dev, aml_name_decl("_MAT",
aml_buffer(madt_buf->len, (uint8_t *)madt_buf->data)));
g_array_free(madt_buf, true);
if (CPU(arch_ids->cpus[i].cpu) != first_cpu) {
method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
aml_append(method, aml_call1(CPU_EJECT_METHOD, uid));
aml_append(dev, method);
}
method = aml_method("_OST", 3, AML_SERIALIZED);
aml_append(method,
aml_call4(CPU_OST_METHOD, uid, aml_arg(0),
aml_arg(1), aml_arg(2))
);
aml_append(dev, method);
/* Linux guests discard SRAT info for non-present CPUs
* as a result _PXM is required for all CPUs which might
* be hot-plugged. For simplicity, add it for all CPUs.
*/
if (arch_ids->cpus[i].props.has_node_id) {
aml_append(dev, aml_name_decl("_PXM",
aml_int(arch_ids->cpus[i].props.node_id)));
}
aml_append(cpus_dev, dev);
}
}
aml_append(sb_scope, cpus_dev);
aml_append(table, sb_scope);
method = aml_method(event_handler_method, 0, AML_NOTSERIALIZED);
aml_append(method, aml_call0("\\_SB.CPUS." CPU_SCAN_METHOD));
aml_append(table, method);
g_free(cphp_res_path);
}
