PRIVATE ACPI_STATUS init_acpica(void)
{
ACPI_STATUS status;
status = AcpiInitializeSubsystem();
if (ACPI_FAILURE(status))
return status;
status = AcpiInitializeTables(NULL, 16, FALSE);
if (ACPI_FAILURE(status))
return status;
status = AcpiLoadTables();
if (ACPI_FAILURE(status))
return status;
status = AcpiEnableSubsystem(0);
if (ACPI_FAILURE(status))
return status;
status = AcpiInitializeObjects(0);
if (ACPI_FAILURE(status))
return status;
set_machine_mode();
pci_scan_devices();
return AE_OK;
}
ACPI_STATUS
AeLoadTables (
void)
{
ACPI_STATUS Status;
Status = AcpiLoadTables ();
ACPI_CHECK_OK (AcpiLoadTables, Status);
/*
* Test run-time control method installation. Do it twice to test code
* for an existing name.
*/
Status = AcpiInstallMethod (MethodCode);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s, Could not install method\n",
AcpiFormatException (Status));
}
Status = AcpiInstallMethod (MethodCode);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s, Could not install method\n",
AcpiFormatException (Status));
}
return (AE_OK);
}
ACPI_STATUS
AeInstallTables (
void)
{
ACPI_STATUS Status;
ACPI_TABLE_HEADER Header;
ACPI_TABLE_HEADER *Table;
Status = AcpiInitializeTables (Tables, ACPI_MAX_INIT_TABLES, TRUE);
AE_CHECK_OK (AcpiInitializeTables, Status);
Status = AcpiReallocateRootTable ();
AE_CHECK_OK (AcpiReallocateRootTable, Status);
Status = AcpiLoadTables ();
AE_CHECK_OK (AcpiLoadTables, Status);
/*
* Test run-time control method installation. Do it twice to test code
* for an existing name.
*/
Status = AcpiInstallMethod (MethodCode);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s, Could not install method\n",
AcpiFormatException (Status));
}
Status = AcpiInstallMethod (MethodCode);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s, Could not install method\n",
AcpiFormatException (Status));
}
/* Test multiple table/UEFI support. First, get the headers */
Status = AcpiGetTableHeader (ACPI_SIG_UEFI, 1, &Header);
AE_CHECK_OK (AcpiGetTableHeader, Status);
Status = AcpiGetTableHeader (ACPI_SIG_UEFI, 2, &Header);
AE_CHECK_OK (AcpiGetTableHeader, Status);
Status = AcpiGetTableHeader (ACPI_SIG_UEFI, 3, &Header);
AE_CHECK_STATUS (AcpiGetTableHeader, Status, AE_NOT_FOUND);
/* Now get the actual tables */
Status = AcpiGetTable (ACPI_SIG_UEFI, 1, &Table);
AE_CHECK_OK (AcpiGetTable, Status);
Status = AcpiGetTable (ACPI_SIG_UEFI, 2, &Table);
AE_CHECK_OK (AcpiGetTable, Status);
Status = AcpiGetTable (ACPI_SIG_UEFI, 3, &Table);
AE_CHECK_STATUS (AcpiGetTable, Status, AE_NOT_FOUND);
return (AE_OK);
}
/*
* This function would be called after the kernel is initialized and
* dynamic/virtual memory is available. It completes the initialization of
* the ACPICA subsystem.
*/
ACPI_STATUS
InitializeAcpi (
void)
{
ACPI_STATUS Status;
/* Initialize the ACPICA subsystem */
AcpiGbl_OverrideDefaultRegionHandlers = TRUE;
Status = AcpiInitializeSubsystem ();
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Copy the root table list to dynamic memory */
Status = AcpiReallocateRootTable ();
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Install local handlers */
Status = InstallHandlers ();
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "While installing handlers"));
return (Status);
}
/* Initialize the ACPI hardware */
Status = AcpiEnableSubsystem (ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Create the ACPI namespace from ACPI tables */
Status = AcpiLoadTables ();
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Complete the ACPI namespace object initialization */
Status = AcpiInitializeObjects (ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE (Status))
{
return (Status);
}
return (AE_OK);
}
NTSTATUS
Bus_StartFdo (
PFDO_DEVICE_DATA FdoData,
PIRP Irp )
{
NTSTATUS status = STATUS_SUCCESS;
POWER_STATE powerState;
ACPI_STATUS AcpiStatus;
PAGED_CODE ();
FdoData->Common.DevicePowerState = PowerDeviceD0;
powerState.DeviceState = PowerDeviceD0;
PoSetPowerState ( FdoData->Common.Self, DevicePowerState, powerState );
SET_NEW_PNP_STATE(FdoData->Common, Started);
AcpiStatus = AcpiInitializeSubsystem();
if(ACPI_FAILURE(AcpiStatus)){
DPRINT1("Unable to AcpiInitializeSubsystem\n");
return STATUS_UNSUCCESSFUL;
}
AcpiStatus = AcpiInitializeTables(NULL, 16, 0);
if (ACPI_FAILURE(status)){
DPRINT1("Unable to AcpiInitializeSubsystem\n");
return STATUS_UNSUCCESSFUL;
}
AcpiStatus = AcpiLoadTables();
if(ACPI_FAILURE(AcpiStatus)){
DPRINT1("Unable to AcpiLoadTables\n");
AcpiTerminate();
return STATUS_UNSUCCESSFUL;
}
DPRINT("Acpi subsystem init\n");
/* Initialize ACPI bus manager */
AcpiStatus = acpi_init();
if (!ACPI_SUCCESS(AcpiStatus)) {
DPRINT1("acpi_init() failed with status 0x%X\n", AcpiStatus);
AcpiTerminate();
return STATUS_UNSUCCESSFUL;
}
status = ACPIEnumerateDevices(FdoData);
return status;
}
void acpi_init(void) {
ACPI_STATUS result;
result = AcpiInitializeSubsystem();
if(ACPI_FAILURE(result)) {
acpi_perror("AcpiInitializeSubsystem", result);
return;
} else {
kprintf("Acpi subsystem initialised\n");
}
result = AcpiReallocateRootTable();
if(ACPI_FAILURE(result)) {
acpi_perror("AcpiReallocateRootTable", result);
} else {
kprintf("Acpi root tables copied\n");
}
result = AcpiLoadTables();
if(ACPI_FAILURE(result)) {
acpi_perror("AcpiLoadTables", result);
} else {
kprintf("Acpi tables loaded\n");
}
_acpi_tables_loaded = true;
/* do stuff */
#ifdef ENABLE_ACPI_MODE
result = AcpiEnableSubsystem(ACPI_FULL_INITIALIZATION);
if(ACPI_FAILURE(result)) {
acpi_perror("AcpiEnableSubsystem", result);
} else {
kprintf("Acpi hardware initialized\n");
}
result = AcpiInitializeObjects(ACPI_FULL_INITIALIZATION);
if(ACPI_FAILURE(result)) {
acpi_perror("AcpiInitializeObjects", result);
} else {
kprintf("Acpi namespace objects initialized\n");
}
#endif
}
ACPI_STATUS
AeInstallTables (
void)
{
ACPI_STATUS Status;
Status = AcpiInitializeTables (Tables, ACPI_MAX_INIT_TABLES, TRUE);
AE_CHECK_OK (AcpiInitializeTables, Status);
Status = AcpiReallocateRootTable ();
AE_CHECK_OK (AcpiReallocateRootTable, Status);
Status = AcpiLoadTables ();
AE_CHECK_OK (AcpiLoadTables, Status);
/*
* Test run-time control method installation. Do it twice to test code
* for an existing name.
*/
Status = AcpiInstallMethod (MethodCode);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s, Could not install method\n",
AcpiFormatException (Status));
}
Status = AcpiInstallMethod (MethodCode);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s, Could not install method\n",
AcpiFormatException (Status));
}
return (AE_OK);
}
void
main(int argc, char *argv[])
{
int set = -1, enable = -1;
int seg = 0, bus = 0, dev = 2, fn = 0, pin = 0;
ACPI_STATUS status;
int verbose = 0;
AcpiDbgLevel = 0;
ARGBEGIN{
case 'v':
AcpiDbgLevel = ACPI_LV_VERBOSITY1;
verbose++;
break;
case 's':
set = open("#P/irqmap", OWRITE);
if (set < 0)
sysfatal("%r");
break;
default:
sysfatal("usage: acpi/irq [-v] [-s]");
break;
}ARGEND;
status = AcpiInitializeSubsystem();
if (ACPI_FAILURE(status)) {
sysfatal("Error %d\n", status);
}
status = AcpiInitializeTables(NULL, 0, FALSE);
if (ACPI_FAILURE(status))
sysfatal("can't set up acpi tables: %d", status);
if (verbose)
print("init dables\n");
status = AcpiLoadTables();
if (ACPI_FAILURE(status))
sysfatal("Can't load ACPI tables: %d", status);
/* from acpi: */
/* If the Hardware Reduced flag is set, machine is always in acpi mode */
AcpiGbl_ReducedHardware = 1;
if (verbose)
print("LOADED TABLES.\n");
status = AcpiEnableSubsystem(0);
if (ACPI_FAILURE(status))
print("Probably does not matter: Can't enable ACPI subsystem");
if (verbose)
print("enabled subsystem.\n");
status = AcpiInitializeObjects(0);
if (ACPI_FAILURE(status))
sysfatal("Can't Initialize ACPI objects");
int picmode;
status = FindIOAPICs(&picmode);
if (picmode == 0)
sysfatal("PANIC: Can't handle picmode 0!");
ACPI_STATUS ExecuteOSI(int pic_mode);
if (verbose)
print("FindIOAPICs returns status %d picmode %d\n", status, picmode);
status = ExecuteOSI(picmode);
CHECK_STATUS("ExecuteOSI");
failed:
if (verbose)
print("inited objects.\n");
if (verbose)
AcpiDbgLevel |= ACPI_LV_VERBOSITY1 | ACPI_LV_FUNCTIONS;
status = AcpiInitializeDebugger();
if (ACPI_FAILURE(status)) {
sysfatal("Error %d\n", status);
}
int GetPRT();
status = GetPRT();
if (ACPI_FAILURE(status)) {
sysfatal("Error %d\n", status);
}
while (1) {
if (scanf("%x %x", &bus, &dev) < 0)
break;
ACPI_STATUS RouteIRQ(ACPI_PCI_ID* device, int pin, int* irq);
AcpiDbgLevel = 0;
ACPI_PCI_ID id = (ACPI_PCI_ID){seg, bus, dev, fn};
status = AcpiOsReadPciConfiguration (&id, 0x3d, &pin, 8);
if (!ACPI_SUCCESS(status)){
printf("Can't read pin for bus %d dev %d\n", bus, dev);
continue;
}
print("ROUTE {%d, %d, %d, %d}, pin %d\n", seg, bus, dev, fn, pin);
int irq;
status = RouteIRQ(&id, pin, &irq);
print("status %d, irq %d\n", status, irq);
AcpiDbgLevel = 0;
print("echo %d %d %d %d 0x%x > /dev/irqmap", seg, bus, dev, fn, irq);
//ACPI_STATUS PrintDevices(void);
//status = PrintDevices();
if (set > -1)
fprint(set, "%d %d %d %d 0x%x", seg, bus, dev, fn, irq);
}
/* we're done. Enable the IRQs we might have set up. */
enable = open("/dev/irqenable", OWRITE);
if (enable < 0)
sysfatal("/dev/irqenable: %r");
if (write(enable, "", 1) < 1)
sysfatal("Write irqenable: %r");
exits(0);
}
/*
* Initialize the CA subsystem if it hasn't been done already
*/
int
acpica_init()
{
extern void acpica_find_ioapics(void);
ACPI_STATUS status;
/*
* Make sure user options are processed,
* then fail to initialize if ACPI CA has been
* disabled
*/
acpica_process_user_options();
if (!acpica_enable)
return (AE_ERROR);
mutex_enter(&acpica_module_lock);
if (acpica_init_state == ACPICA_INITIALIZED) {
mutex_exit(&acpica_module_lock);
return (AE_OK);
}
if (ACPI_FAILURE(status = AcpiLoadTables()))
goto error;
if (ACPI_FAILURE(status = acpica_install_handlers()))
goto error;
/*
* Create ACPI-to-devinfo mapping now so _INI and _STA
* methods can access PCI config space when needed
*/
scan_d2a_map();
if (ACPI_FAILURE(status = AcpiEnableSubsystem(acpi_init_level)))
goto error;
/* do after AcpiEnableSubsystem() so GPEs are initialized */
acpica_ec_init(); /* initialize EC if present */
/* This runs all device _STA and _INI methods. */
if (ACPI_FAILURE(status = AcpiInitializeObjects(0)))
goto error;
acpica_init_state = ACPICA_INITIALIZED;
/*
* [ACPI, sec. 4.4.1.1]
* As of ACPICA version 20101217 (December 2010), the _PRW methods
* (Power Resources for Wake) are no longer automatically executed
* as part of the ACPICA initialization. The OS must do this.
*/
(void) AcpiWalkNamespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
UINT32_MAX, acpica_init_PRW, NULL, NULL, NULL);
(void) AcpiUpdateAllGpes();
/*
* If we are running on the Xen hypervisor as dom0 we need to
* find the ioapics so we can prevent ACPI from trying to
* access them.
*/
if (get_hwenv() == HW_XEN_PV && is_controldom())
acpica_find_ioapics();
acpica_init_kstats();
error:
if (acpica_init_state != ACPICA_INITIALIZED) {
cmn_err(CE_NOTE, "!failed to initialize ACPI services");
}
/*
* Set acpi-status to 13 if acpica has been initialized successfully.
* This indicates that acpica is up and running. This variable name
* and value were chosen in order to remain compatible with acpi_intp.
*/
e_ddi_prop_update_int(DDI_DEV_T_NONE, ddi_root_node(), "acpi-status",
(ACPI_SUCCESS(status)) ? (ACPI_BOOT_INIT | ACPI_BOOT_ENABLE |
ACPI_BOOT_BOOTCONF) : 0);
/* Mark acpica subsystem as fully initialized. */
if (ACPI_SUCCESS(status) &&
acpi_init_level == ACPI_FULL_INITIALIZATION) {
acpica_set_core_feature(ACPI_FEATURE_FULL_INIT);
}
mutex_exit(&acpica_module_lock);
return (status);
}
static status_t
acpi_std_ops(int32 op,...)
{
switch (op) {
case B_MODULE_INIT:
{
ACPI_OBJECT arg;
ACPI_OBJECT_LIST parameter;
void *settings;
bool acpiDisabled = false;
AcpiGbl_CopyDsdtLocally = true;
settings = load_driver_settings("kernel");
if (settings != NULL) {
acpiDisabled = !get_driver_boolean_parameter(settings, "acpi",
true, true);
unload_driver_settings(settings);
}
if (!acpiDisabled) {
// check if safemode settings disable ACPI
settings = load_driver_settings(B_SAFEMODE_DRIVER_SETTINGS);
if (settings != NULL) {
acpiDisabled = get_driver_boolean_parameter(settings,
B_SAFEMODE_DISABLE_ACPI, false, false);
unload_driver_settings(settings);
}
}
if (acpiDisabled) {
ERROR("ACPI disabled\n");
return ENOSYS;
}
if (gDPC->new_dpc_queue(&gDPCHandle, "acpi_task",
B_URGENT_DISPLAY_PRIORITY + 1) != B_OK) {
ERROR("failed to create os execution queue\n");
return B_ERROR;
}
#ifdef ACPI_DEBUG_OUTPUT
AcpiDbgLevel = ACPI_DEBUG_ALL | ACPI_LV_VERBOSE;
AcpiDbgLayer = ACPI_ALL_COMPONENTS;
#endif
if (checkAndLogFailure(AcpiInitializeSubsystem(),
"AcpiInitializeSubsystem failed"))
goto err;
if (checkAndLogFailure(AcpiInitializeTables(NULL, 0, TRUE),
"AcpiInitializeTables failed"))
goto err;
if (checkAndLogFailure(AcpiLoadTables(),
"AcpiLoadTables failed"))
goto err;
/* Install the default address space handlers. */
if (checkAndLogFailure(AcpiInstallAddressSpaceHandler(
ACPI_ROOT_OBJECT, ACPI_ADR_SPACE_SYSTEM_MEMORY,
ACPI_DEFAULT_HANDLER, NULL, NULL),
"Could not initialise SystemMemory handler:"))
goto err;
if (checkAndLogFailure(AcpiInstallAddressSpaceHandler(
ACPI_ROOT_OBJECT, ACPI_ADR_SPACE_SYSTEM_IO,
ACPI_DEFAULT_HANDLER, NULL, NULL),
"Could not initialise SystemIO handler:"))
goto err;
if (checkAndLogFailure(AcpiInstallAddressSpaceHandler(
ACPI_ROOT_OBJECT, ACPI_ADR_SPACE_PCI_CONFIG,
ACPI_DEFAULT_HANDLER, NULL, NULL),
"Could not initialise PciConfig handler:"))
goto err;
arg.Integer.Type = ACPI_TYPE_INTEGER;
arg.Integer.Value = apic_available() ? APIC_MODE : PIC_MODE;
parameter.Count = 1;
parameter.Pointer = &arg;
AcpiEvaluateObject(NULL, "\\_PIC", ¶meter, NULL);
if (checkAndLogFailure(AcpiEnableSubsystem(
ACPI_FULL_INITIALIZATION),
"AcpiEnableSubsystem failed"))
goto err;
if (checkAndLogFailure(AcpiInitializeObjects(
ACPI_FULL_INITIALIZATION),
"AcpiInitializeObjects failed"))
goto err;
//TODO: Walk namespace init ALL _PRW's
#ifdef ACPI_DEBUG_OUTPUT
checkAndLogFailure(
AcpiInstallGlobalEventHandler(globalGPEHandler, NULL),
"Failed to install global GPE-handler.");
checkAndLogFailure(AcpiInstallNotifyHandler(ACPI_ROOT_OBJECT,
ACPI_ALL_NOTIFY, globalNotifyHandler, NULL),
"Failed to install global Notify-handler.");
#endif
checkAndLogFailure(AcpiEnableAllRuntimeGpes(),
"Failed to enable all runtime Gpes");
checkAndLogFailure(AcpiUpdateAllGpes(),
"Failed to update all Gpes");
TRACE("ACPI initialized\n");
return B_OK;
err:
return B_ERROR;
}
case B_MODULE_UNINIT:
{
if (checkAndLogFailure(AcpiTerminate(),
"Could not bring system out of ACPI mode. Oh well."));
gDPC->delete_dpc_queue(gDPCHandle);
gDPCHandle = NULL;
break;
}
default:
return B_ERROR;
}
return B_OK;
}
static int
NsDumpEntireNamespace (
char *AmlFilename)
{
ACPI_STATUS Status;
ACPI_TABLE_HEADER *Table = NULL;
UINT32 TableCount = 0;
AE_TABLE_DESC *TableDesc;
ACPI_HANDLE Handle;
/* Open the binary AML file and read the entire table */
Status = AcpiUtReadTableFromFile (AmlFilename, &Table);
if (ACPI_FAILURE (Status))
{
printf ("**** Could not get input table %s, %s\n", AmlFilename,
AcpiFormatException (Status));
return (-1);
}
/* Table must be a DSDT. SSDTs are not currently supported */
if (!ACPI_COMPARE_NAME (Table->Signature, ACPI_SIG_DSDT))
{
printf ("**** Input table signature is [%4.4s], must be [DSDT]\n",
Table->Signature);
return (-1);
}
/*
* Allocate and link a table descriptor (allows for future expansion to
* multiple input files)
*/
TableDesc = AcpiOsAllocate (sizeof (AE_TABLE_DESC));
TableDesc->Table = Table;
TableDesc->Next = AeTableListHead;
AeTableListHead = TableDesc;
TableCount++;
/*
* Build a local XSDT with all tables. Normally, here is where the
* RSDP search is performed to find the ACPI tables
*/
Status = AeBuildLocalTables (TableCount, AeTableListHead);
if (ACPI_FAILURE (Status))
{
return (-1);
}
/* Initialize table manager, get XSDT */
Status = AcpiInitializeTables (Tables, ACPI_MAX_INIT_TABLES, TRUE);
if (ACPI_FAILURE (Status))
{
printf ("**** Could not initialize ACPI table manager, %s\n",
AcpiFormatException (Status));
return (-1);
}
/* Reallocate root table to dynamic memory */
Status = AcpiReallocateRootTable ();
if (ACPI_FAILURE (Status))
{
printf ("**** Could not reallocate root table, %s\n",
AcpiFormatException (Status));
return (-1);
}
/* Load the ACPI namespace */
Status = AcpiLoadTables ();
if (ACPI_FAILURE (Status))
{
printf ("**** Could not load ACPI tables, %s\n",
AcpiFormatException (Status));
return (-1);
}
/*
* Enable ACPICA. These calls don't do much for this
* utility, since we only dump the namespace. There is no
* hardware or event manager code underneath.
*/
Status = AcpiEnableSubsystem (
ACPI_NO_ACPI_ENABLE |
ACPI_NO_ADDRESS_SPACE_INIT |
ACPI_NO_EVENT_INIT |
ACPI_NO_HANDLER_INIT);
if (ACPI_FAILURE (Status))
{
printf ("**** Could not EnableSubsystem, %s\n",
AcpiFormatException (Status));
return (-1);
}
Status = AcpiInitializeObjects (
ACPI_NO_ADDRESS_SPACE_INIT |
ACPI_NO_DEVICE_INIT |
ACPI_NO_EVENT_INIT);
if (ACPI_FAILURE (Status))
{
printf ("**** Could not InitializeObjects, %s\n",
AcpiFormatException (Status));
return (-1);
}
/*
* Perform a namespace walk to dump the contents
*/
AcpiOsPrintf ("\nACPI Namespace:\n");
AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, ACPI_UINT32_MAX,
ACPI_OWNER_ID_MAX, AcpiGbl_RootNode);
/* Example: get a handle to the _GPE scope */
Status = AcpiGetHandle (NULL, "\\_GPE", &Handle);
AE_CHECK_OK (AcpiGetHandle, Status);
return (0);
}
static int
AnDumpEntireNamespace (
ACPI_NEW_TABLE_DESC *ListHead)
{
ACPI_STATUS Status;
ACPI_HANDLE Handle;
/*
* Build a local XSDT with all tables. Normally, here is where the
* RSDP search is performed to find the ACPI tables
*/
Status = AnBuildLocalTables (ListHead);
if (ACPI_FAILURE (Status))
{
return (-1);
}
/* Initialize table manager, get XSDT */
Status = AcpiInitializeTables (NULL, ACPI_MAX_INIT_TABLES, TRUE);
if (ACPI_FAILURE (Status))
{
printf ("**** Could not initialize ACPI table manager, %s\n",
AcpiFormatException (Status));
return (-1);
}
/* Build the namespace from the tables */
Status = AcpiLoadTables ();
if (Status == AE_CTRL_TERMINATE)
{
/* At least one table load failed -- terminate with error */
return (-1);
}
if (ACPI_FAILURE (Status))
{
printf ("**** While creating namespace, %s\n",
AcpiFormatException (Status));
return (-1);
}
if (AcpiGbl_NsLoadOnly)
{
printf ("**** Namespace successfully loaded\n");
return (0);
}
/*
* NOTE:
* We don't need to do any further ACPICA initialization, since we don't
* have any hardware, nor is the interpreter configured.
*
* Namely, we don't need these calls:
* AcpiEnableSubsystem
* AcpiInitializeObjects
*/
/*
* Perform a namespace walk to dump the contents
*/
AcpiOsPrintf ("\nACPI Namespace:\n");
AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY,
ACPI_UINT32_MAX, ACPI_OWNER_ID_MAX, AcpiGbl_RootNode);
/* Example: get a handle to the _GPE scope */
Status = AcpiGetHandle (NULL, "\\_GPE", &Handle);
ACPI_CHECK_OK (AcpiGetHandle, Status);
AcDeleteTableList (ListHead);
return (0);
}
void kmain2()
{
kprintf("Initializing SDI... ");
sdInit();
kprintf("%$\x02" "Done%#\n");
initMount();
initSymtab();
kprintf("Initializing ACPICA...\n");
ACPI_STATUS status = AcpiInitializeSubsystem();
if (ACPI_FAILURE(status))
{
panic("AcpiInitializeSubsystem failed");
};
status = AcpiInitializeTables(NULL, 16, FALSE);
if (ACPI_FAILURE(status))
{
panic("AcpiInitializeTables failed");
};
status = AcpiLoadTables();
if (ACPI_FAILURE(status))
{
panic("AcpiLoadTables failed");
};
status = AcpiEnableSubsystem(ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE(status))
{
panic("AcpiEnableSubsystem failed");
};
status = AcpiInitializeObjects(ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE(status))
{
panic("AcpiInitializeObjects failed");
};
if (AcpiInstallFixedEventHandler(ACPI_EVENT_POWER_BUTTON, onPowerButton, NULL) != AE_OK)
{
panic("failed to register power button event");
};
pciInitACPI();
kprintf("Initializing the RTC... ");
initRTC();
kprintf("%$\x02" "Done%#\n");
kprintf("Initializing the network interface... ");
ipreasmInit();
initNetIf();
kprintf("%$\x02" "Done%#\n");
kprintf("Starting the spawn process... ");
MachineState state;
void *spawnStack = kmalloc(0x1000);
state.rip = (uint64_t) &spawnProc;
state.rsp = (uint64_t) spawnStack + 0x1000 - 16;
((uint64_t*)state.rsp)[0] = 0;
((uint64_t*)state.rsp)[1] = 0;
state.rdi = (uint64_t) spawnStack;
state.rbp = 0;
Regs regs;
regs.cs = 8;
regs.ds = 16;
regs.rflags = getFlagsRegister() | (1 << 9);
regs.ss = 0;
threadClone(®s, 0, &state);
// "Done" is displayed by the spawnProc() and that's our job done pretty much.
// Mark this thread as waiting so that it never wastes any CPU time.
getCurrentThread()->flags = THREAD_WAITING;
};
void
acpi_secondary_init(void)
{
ACPI_STATUS Status;
ACPI_STATUS DisplayOneDevice (ACPI_HANDLE, UINT32, void *, void **);
/* Complete the ACPICA initialization sequence */
Status = AcpiInitializeSubsystem ();
if (ACPI_FAILURE (Status)) {
DLOG_COM1 ("Failed to initialize ACPI.\n");
}
Status = AcpiReallocateRootTable ();
if (ACPI_FAILURE (Status)) {
DLOG_COM1 ("Failed: AcpiReallocateRootTable %d.\n", Status);
}
Status = AcpiLoadTables ();
if (ACPI_FAILURE (Status)) {
DLOG_COM1 ("Failed: AcpiLoadTables.\n");
}
Status = AcpiEnableSubsystem (ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE (Status)) {
DLOG_COM1 ("Failed: AcpiEnableSubsystem.\n");
}
Status = AcpiInitializeObjects (ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE (Status)) {
DLOG_COM1 ("Failed: AcpiInitializeObjects.\n");
}
/* Must enable IOAPIC before checking any PCI routing tables. */
acpi_enable_IOAPIC ();
/* Install System Control Interrupt */
u8 vector = find_unused_vector (MINIMUM_VECTOR_PRIORITY);
if (vector) {
u64 flags = IOAPIC_DELIVERY_FIXED | IOAPIC_DESTINATION_LOGICAL;
u8 gsi = acpi_sci_irq;
/* SCI defaults to LEVEL/LOW in IO-APIC mode. */
if ((acpi_sci_flags & ACPI_MADT_POLARITY_MASK) == ACPI_MADT_POLARITY_ACTIVE_HIGH)
flags |= IOAPIC_POLARITY_HIGH;
else
flags |= IOAPIC_POLARITY_LOW;
if ((acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) == ACPI_MADT_TRIGGER_EDGE)
flags |= IOAPIC_TRIGGER_EDGE;
else
flags |= IOAPIC_TRIGGER_LEVEL;
if (IOAPIC_map_GSI (gsi, vector, 0x0100000000000000ULL | flags) != -1) {
set_vector_handler (vector, acpi_irq_handler);
DLOG ("ACPI: mapped GSI 0x%X to vector 0x%X (%s, %s)\n",
gsi, vector,
flags & IOAPIC_TRIGGER_LEVEL ? "level" : "edge",
flags & IOAPIC_POLARITY_LOW ? "low" : "high");
} else
DLOG ("ACPI: failed to map GSI\n");
} else
DLOG ("ACPI: failed to find unused vector\n");
DLOG ("AcpiEnableEvent returned %d\n",
AcpiEnableEvent (ACPI_EVENT_POWER_BUTTON, 0));
DLOG ("AcpiInstallFixedEventHandler returned %d\n",
AcpiInstallFixedEventHandler (ACPI_EVENT_POWER_BUTTON, acpi_power_button, NULL));
DLOG ("AcpiInstallNotifyHandler returned %d\n",
AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_SYSTEM_NOTIFY, acpi_notify_handler, NULL));
DLOG ("AcpiInstallNotifyHandler returned %d\n",
AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_DEVICE_NOTIFY, acpi_notify_handler, NULL));
extern u8 AcpiGbl_OsiData;
AcpiGbl_OsiData=0;
/* Walk the System Bus "\_SB_" and output info about each object
* found. */
#if 0
ACPI_HANDLE SysBusHandle;
AcpiGetHandle (ACPI_ROOT_OBJECT, ACPI_NS_SYSTEM_BUS, &SysBusHandle);
AcpiWalkNamespace (ACPI_TYPE_ANY, SysBusHandle, INT_MAX,
DisplayOneDevice, NULL, NULL);
#else
AcpiGetDevices (NULL, DisplayOneDevice, NULL, NULL);
#endif
}
static ACPI_STATUS InitializeFullAcpi (void)
{
ACPI_STATUS Status;
/* Initialize the ACPICA subsystem */
Status = AcpiInitializeSubsystem ();
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "While initializing ACPICA"));
return (Status);
}
/* Initialize the ACPICA Table Manager and get all ACPI tables */
Status = AcpiInitializeTables (NULL, 0, FALSE);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "While initializing Table Manager"));
return (Status);
}
/* Create the ACPI namespace from ACPI tables */
Status = AcpiLoadTables ();
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "While loading ACPI tables"));
return (Status);
}
/* Install local handlers */
Status = InstallHandlers ();
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "While installing handlers"));
return (Status);
}
/* Initialize the ACPI hardware */
Status = AcpiEnableSubsystem (ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "While enabling ACPICA"));
return (Status);
}
/* Complete the ACPI namespace object initialization */
Status = AcpiInitializeObjects (ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status, "While initializing ACPICA objects"));
return (Status);
}
return (AE_OK);
}
void initializeBasicSystem() {
ACPICA_CHECK(AcpiInitializeSubsystem());
ACPICA_CHECK(AcpiInitializeTables(nullptr, 16, FALSE));
ACPICA_CHECK(AcpiLoadTables());
frigg::infoLogger() << "thor: ACPICA initialized." << frigg::endLog;
dumpMadt();
ACPI_TABLE_HEADER *madt;
ACPICA_CHECK(AcpiGetTable(const_cast<char *>("APIC"), 0, &madt));
// Configure all interrupt controllers.
// TODO: This should be done during thor's initialization in order to avoid races.
frigg::infoLogger() << "thor: Configuring I/O APICs." << frigg::endLog;
size_t offset = sizeof(ACPI_TABLE_HEADER) + sizeof(MadtHeader);
while(offset < madt->Length) {
auto generic = (MadtGenericEntry *)((uint8_t *)madt + offset);
if(generic->type == 1) { // I/O APIC
auto entry = (MadtIoEntry *)generic;
assert(!entry->systemIntBase);
setupIoApic(entry->mmioAddress);
}
offset += generic->length;
}
// Determine IRQ override configuration.
for(int i = 0; i < 16; i++)
irqOverrides[i].initialize();
offset = sizeof(ACPI_TABLE_HEADER) + sizeof(MadtHeader);
while(offset < madt->Length) {
auto generic = (MadtGenericEntry *)((uint8_t *)madt + offset);
if(generic->type == 2) { // interrupt source override
auto entry = (MadtIntOverrideEntry *)generic;
// ACPI defines only ISA IRQ overrides.
assert(entry->bus == 0);
assert(entry->sourceIrq < 16);
IrqLine line;
line.gsi = entry->systemInt;
auto trigger = entry->flags & OverrideFlags::triggerMask;
auto polarity = entry->flags & OverrideFlags::polarityMask;
if(trigger == OverrideFlags::triggerDefault
&& polarity == OverrideFlags::polarityDefault) {
line.configuration.trigger = TriggerMode::edge;
line.configuration.polarity = Polarity::high;
}else{
assert(trigger != OverrideFlags::triggerDefault);
assert(polarity != OverrideFlags::polarityDefault);
switch(trigger) {
case OverrideFlags::triggerEdge:
line.configuration.trigger = TriggerMode::edge; break;
case OverrideFlags::triggerLevel:
line.configuration.trigger = TriggerMode::level; break;
default:
frigg::panicLogger() << "Illegal IRQ trigger mode in MADT" << frigg::endLog;
}
switch(polarity) {
case OverrideFlags::polarityHigh:
line.configuration.polarity = Polarity::high; break;
case OverrideFlags::polarityLow:
line.configuration.polarity = Polarity::low; break;
default:
frigg::panicLogger() << "Illegal IRQ polarity in MADT" << frigg::endLog;
}
}
assert(!(*irqOverrides[entry->sourceIrq]));
*irqOverrides[entry->sourceIrq] = line;
}
offset += generic->length;
}
// Initialize the HPET.
frigg::infoLogger() << "thor: Setting up HPET." << frigg::endLog;
ACPI_TABLE_HEADER *hpet_table;
ACPICA_CHECK(AcpiGetTable(const_cast<char *>("HPET"), 0, &hpet_table));
auto hpet_entry = (HpetEntry *)((uintptr_t)hpet_table + sizeof(ACPI_TABLE_HEADER));
assert(hpet_entry->address.SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY);
setupHpet(hpet_entry->address.Address);
}