int ACPI_SYSTEM_XFACE
main (
int argc,
char **argv)
{
ACPI_DEBUG_INITIALIZE (); /* For debug version only */
printf (ACPI_COMMON_SIGNON ("ACPI Example Code"));
/* Initialize the local ACPI tables (RSDP/RSDT/XSDT/FADT/DSDT/FACS) */
ExInitializeAcpiTables ();
/* Initialize the ACPICA subsystem */
InitializeFullAcpica ();
/* Example warning and error output */
ACPI_INFO ((AE_INFO, "Example ACPICA info message"));
ACPI_WARNING ((AE_INFO, "Example ACPICA warning message"));
ACPI_ERROR ((AE_INFO, "Example ACPICA error message"));
ACPI_EXCEPTION ((AE_INFO, AE_AML_OPERAND_TYPE,
"Example ACPICA exception message"));
ExecuteOSI ();
ExecuteMAIN ();
return (0);
}
void
AeMiscellaneousTests (
void)
{
ACPI_BUFFER ReturnBuf;
char Buffer[32];
ACPI_STATUS Status;
ACPI_STATISTICS Stats;
ACPI_HANDLE Handle;
#if (!ACPI_REDUCED_HARDWARE)
UINT32 LockHandle1;
UINT32 LockHandle2;
ACPI_VENDOR_UUID Uuid =
{0, {ACPI_INIT_UUID (0,0,0,0,0,0,0,0,0,0,0)}};
#endif /* !ACPI_REDUCED_HARDWARE */
Status = AcpiGetHandle (NULL, "\\", &Handle);
ACPI_CHECK_OK (AcpiGetHandle, Status);
if (AcpiGbl_DoInterfaceTests)
{
/*
* Tests for AcpiLoadTable and AcpiUnloadParentTable
*/
/* Attempt unload of DSDT, should fail */
Status = AcpiGetHandle (NULL, "\\_SB_", &Handle);
ACPI_CHECK_OK (AcpiGetHandle, Status);
Status = AcpiUnloadParentTable (Handle);
ACPI_CHECK_STATUS (AcpiUnloadParentTable, Status, AE_TYPE);
/* Load and unload SSDT4 */
Status = AcpiLoadTable ((ACPI_TABLE_HEADER *) Ssdt4Code);
ACPI_CHECK_OK (AcpiLoadTable, Status);
Status = AcpiGetHandle (NULL, "\\_T96", &Handle);
ACPI_CHECK_OK (AcpiGetHandle, Status);
Status = AcpiUnloadParentTable (Handle);
ACPI_CHECK_OK (AcpiUnloadParentTable, Status);
/* Re-load SSDT4 */
Status = AcpiLoadTable ((ACPI_TABLE_HEADER *) Ssdt4Code);
ACPI_CHECK_OK (AcpiLoadTable, Status);
/* Unload and re-load SSDT2 (SSDT2 is in the XSDT) */
Status = AcpiGetHandle (NULL, "\\_T99", &Handle);
ACPI_CHECK_OK (AcpiGetHandle, Status);
Status = AcpiUnloadParentTable (Handle);
ACPI_CHECK_OK (AcpiUnloadParentTable, Status);
Status = AcpiLoadTable ((ACPI_TABLE_HEADER *) Ssdt2Code);
ACPI_CHECK_OK (AcpiLoadTable, Status);
/* Load OEM9 table (causes table override) */
Status = AcpiLoadTable ((ACPI_TABLE_HEADER *) Ssdt3Code);
ACPI_CHECK_OK (AcpiLoadTable, Status);
}
AeHardwareInterfaces ();
AeGenericRegisters ();
AeSetupConfiguration (Ssdt3Code);
AeTestBufferArgument();
AeTestPackageArgument ();
AeMutexInterfaces ();
AeTestSleepData ();
/* Test _OSI install/remove */
Status = AcpiInstallInterface ("");
ACPI_CHECK_STATUS (AcpiInstallInterface, Status, AE_BAD_PARAMETER);
Status = AcpiInstallInterface ("TestString");
ACPI_CHECK_OK (AcpiInstallInterface, Status);
Status = AcpiInstallInterface ("TestString");
ACPI_CHECK_STATUS (AcpiInstallInterface, Status, AE_ALREADY_EXISTS);
Status = AcpiRemoveInterface ("Windows 2006");
ACPI_CHECK_OK (AcpiRemoveInterface, Status);
Status = AcpiRemoveInterface ("TestString");
ACPI_CHECK_OK (AcpiRemoveInterface, Status);
Status = AcpiRemoveInterface ("XXXXXX");
ACPI_CHECK_STATUS (AcpiRemoveInterface, Status, AE_NOT_EXIST);
Status = AcpiInstallInterface ("AnotherTestString");
ACPI_CHECK_OK (AcpiInstallInterface, Status);
/* Test _OSI execution */
Status = ExecuteOSI ("Extended Address Space Descriptor", ACPI_UINT64_MAX);
ACPI_CHECK_OK (ExecuteOSI, Status);
Status = ExecuteOSI ("Windows 2001", ACPI_UINT64_MAX);
ACPI_CHECK_OK (ExecuteOSI, Status);
Status = ExecuteOSI ("MichiganTerminalSystem", 0);
ACPI_CHECK_OK (ExecuteOSI, Status);
ReturnBuf.Length = 32;
ReturnBuf.Pointer = Buffer;
Status = AcpiGetName (ACPI_ROOT_OBJECT,
ACPI_FULL_PATHNAME_NO_TRAILING, &ReturnBuf);
ACPI_CHECK_OK (AcpiGetName, Status);
/* Get Devices */
Status = AcpiGetDevices (NULL, AeGetDevices, NULL, NULL);
ACPI_CHECK_OK (AcpiGetDevices, Status);
Status = AcpiGetStatistics (&Stats);
ACPI_CHECK_OK (AcpiGetStatistics, Status);
#if (!ACPI_REDUCED_HARDWARE)
Status = AcpiInstallGlobalEventHandler (AeGlobalEventHandler, NULL);
ACPI_CHECK_OK (AcpiInstallGlobalEventHandler, Status);
/* If Hardware Reduced flag is set, we are all done */
if (AcpiGbl_ReducedHardware)
{
return;
}
Status = AcpiEnableEvent (ACPI_EVENT_GLOBAL, 0);
ACPI_CHECK_OK (AcpiEnableEvent, Status);
/*
* GPEs: Handlers, enable/disable, etc.
*/
Status = AcpiInstallGpeHandler (NULL, 0,
ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 0);
ACPI_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiRemoveGpeHandler (NULL, 0, AeGpeHandler);
ACPI_CHECK_OK (AcpiRemoveGpeHandler, Status);
Status = AcpiInstallGpeHandler (NULL, 0,
ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 0);
ACPI_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiSetGpe (NULL, 0, ACPI_GPE_DISABLE);
ACPI_CHECK_OK (AcpiSetGpe, Status);
Status = AcpiSetGpe (NULL, 0, ACPI_GPE_ENABLE);
ACPI_CHECK_OK (AcpiSetGpe, Status);
Status = AcpiInstallGpeHandler (NULL, 1,
ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 1);
ACPI_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiInstallGpeHandler (NULL, 2,
ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 2);
ACPI_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiInstallGpeHandler (NULL, 3,
ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiInstallGpeHandler (NULL, 4,
ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiInstallGpeHandler (NULL, 5,
ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiGetHandle (NULL, "\\_SB", &Handle);
ACPI_CHECK_OK (AcpiGetHandle, Status);
Status = AcpiSetupGpeForWake (Handle, NULL, 5);
ACPI_CHECK_OK (AcpiSetupGpeForWake, Status);
Status = AcpiSetGpeWakeMask (NULL, 5, ACPI_GPE_ENABLE);
ACPI_CHECK_OK (AcpiSetGpeWakeMask, Status);
Status = AcpiSetupGpeForWake (Handle, NULL, 6);
ACPI_CHECK_OK (AcpiSetupGpeForWake, Status);
Status = AcpiSetupGpeForWake (ACPI_ROOT_OBJECT, NULL, 6);
ACPI_CHECK_OK (AcpiSetupGpeForWake, Status);
Status = AcpiSetupGpeForWake (Handle, NULL, 9);
ACPI_CHECK_OK (AcpiSetupGpeForWake, Status);
Status = AcpiInstallGpeHandler (NULL, 0x19,
ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 0x19);
ACPI_CHECK_OK (AcpiEnableGpe, Status);
/* GPE block 1 */
Status = AcpiInstallGpeHandler (NULL, 101,
ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
ACPI_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 101);
ACPI_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiDisableGpe (NULL, 101);
ACPI_CHECK_OK (AcpiDisableGpe, Status);
AfInstallGpeBlock ();
/* Here is where the GPEs are actually "enabled" */
Status = AcpiUpdateAllGpes ();
ACPI_CHECK_OK (AcpiUpdateAllGpes, Status);
Status = AcpiGetHandle (NULL, "RSRC", &Handle);
if (ACPI_SUCCESS (Status))
{
ReturnBuf.Length = ACPI_ALLOCATE_BUFFER;
Status = AcpiGetVendorResource (Handle, "_CRS", &Uuid, &ReturnBuf);
if (ACPI_SUCCESS (Status))
{
AcpiOsFree (ReturnBuf.Pointer);
}
}
/* Test global lock */
Status = AcpiAcquireGlobalLock (0xFFFF, &LockHandle1);
ACPI_CHECK_OK (AcpiAcquireGlobalLock, Status);
Status = AcpiAcquireGlobalLock (0x5, &LockHandle2);
ACPI_CHECK_OK (AcpiAcquireGlobalLock, Status);
Status = AcpiReleaseGlobalLock (LockHandle1);
ACPI_CHECK_OK (AcpiReleaseGlobalLock, Status);
Status = AcpiReleaseGlobalLock (LockHandle2);
ACPI_CHECK_OK (AcpiReleaseGlobalLock, Status);
#endif /* !ACPI_REDUCED_HARDWARE */
}
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);
}
void
AeMiscellaneousTests (
void)
{
ACPI_HANDLE Handle;
ACPI_BUFFER ReturnBuf;
char Buffer[32];
ACPI_VENDOR_UUID Uuid = {0, {ACPI_INIT_UUID (0,0,0,0,0,0,0,0,0,0,0)}};
ACPI_STATUS Status;
UINT32 LockHandle1;
UINT32 LockHandle2;
ACPI_STATISTICS Stats;
AeHardwareInterfaces ();
AeGenericRegisters ();
AeSetupConfiguration (Ssdt3Code);
AeTestBufferArgument();
AeTestPackageArgument ();
Status = AcpiInstallInterface ("");
AE_CHECK_STATUS (AcpiInstallInterface, Status, AE_BAD_PARAMETER);
Status = AcpiInstallInterface ("TestString");
AE_CHECK_OK (AcpiInstallInterface, Status);
Status = AcpiInstallInterface ("TestString");
AE_CHECK_STATUS (AcpiInstallInterface, Status, AE_ALREADY_EXISTS);
Status = AcpiRemoveInterface ("Windows 2006");
AE_CHECK_OK (AcpiRemoveInterface, Status);
Status = AcpiRemoveInterface ("TestString");
AE_CHECK_OK (AcpiRemoveInterface, Status);
Status = AcpiRemoveInterface ("XXXXXX");
AE_CHECK_STATUS (AcpiRemoveInterface, Status, AE_NOT_EXIST);
Status = AcpiInstallInterface ("AnotherTestString");
AE_CHECK_OK (AcpiInstallInterface, Status);
Status = ExecuteOSI ("Windows 2001", 0xFFFFFFFF);
AE_CHECK_OK (ExecuteOSI, Status);
Status = ExecuteOSI ("MichiganTerminalSystem", 0);
AE_CHECK_OK (ExecuteOSI, Status);
ReturnBuf.Length = 32;
ReturnBuf.Pointer = Buffer;
Status = AcpiGetName (AcpiGbl_RootNode, ACPI_FULL_PATHNAME, &ReturnBuf);
AE_CHECK_OK (AcpiGetName, Status);
Status = AcpiEnableEvent (ACPI_EVENT_GLOBAL, 0);
AE_CHECK_OK (AcpiEnableEvent, Status);
/*
* GPEs: Handlers, enable/disable, etc.
*/
Status = AcpiInstallGpeHandler (NULL, 0, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
AE_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 0);
AE_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiRemoveGpeHandler (NULL, 0, AeGpeHandler);
AE_CHECK_OK (AcpiRemoveGpeHandler, Status);
Status = AcpiInstallGpeHandler (NULL, 0, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
AE_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 0);
AE_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiSetGpe (NULL, 0, ACPI_GPE_DISABLE);
AE_CHECK_OK (AcpiSetGpe, Status);
Status = AcpiSetGpe (NULL, 0, ACPI_GPE_ENABLE);
AE_CHECK_OK (AcpiSetGpe, Status);
Status = AcpiInstallGpeHandler (NULL, 1, ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
AE_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 1);
AE_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiInstallGpeHandler (NULL, 2, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
AE_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 2);
AE_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiInstallGpeHandler (NULL, 3, ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
AE_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiInstallGpeHandler (NULL, 4, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
AE_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiInstallGpeHandler (NULL, 5, ACPI_GPE_EDGE_TRIGGERED, AeGpeHandler, NULL);
AE_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiInstallGpeHandler (NULL, 0x19, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
AE_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 0x19);
AE_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiInstallGpeHandler (NULL, 0x62, ACPI_GPE_LEVEL_TRIGGERED, AeGpeHandler, NULL);
AE_CHECK_OK (AcpiInstallGpeHandler, Status);
Status = AcpiEnableGpe (NULL, 0x62);
AE_CHECK_OK (AcpiEnableGpe, Status);
Status = AcpiDisableGpe (NULL, 0x62);
AE_CHECK_OK (AcpiDisableGpe, Status);
AfInstallGpeBlock ();
Status = AcpiGetHandle (NULL, "RSRC", &Handle);
if (ACPI_SUCCESS (Status))
{
ReturnBuf.Length = ACPI_ALLOCATE_BUFFER;
Status = AcpiGetVendorResource (Handle, "_CRS", &Uuid, &ReturnBuf);
if (ACPI_SUCCESS (Status))
{
AcpiOsFree (ReturnBuf.Pointer);
}
}
/* Test global lock */
Status = AcpiAcquireGlobalLock (0xFFFF, &LockHandle1);
AE_CHECK_OK (AcpiAcquireGlobalLock, Status);
Status = AcpiAcquireGlobalLock (0x5, &LockHandle2);
AE_CHECK_OK (AcpiAcquireGlobalLock, Status);
Status = AcpiReleaseGlobalLock (LockHandle1);
AE_CHECK_OK (AcpiReleaseGlobalLock, Status);
Status = AcpiReleaseGlobalLock (LockHandle2);
AE_CHECK_OK (AcpiReleaseGlobalLock, Status);
/* Get Devices */
Status = AcpiGetDevices (NULL, AeGetDevices, NULL, NULL);
AE_CHECK_OK (AcpiGetDevices, Status);
Status = AcpiGetStatistics (&Stats);
AE_CHECK_OK (AcpiGetStatistics, Status);
}
void start() {
ACPI_STATUS status = AE_OK;
printf("acpica: starting...\n");
// NB! Must be at least as large as physical memory - the ACPI tables could
// be anywhere. (Could be handled by AcpiOsMapMemory though.)
map(0, MAP_PHYS | PROT_READ | PROT_WRITE | PROT_NO_CACHE,
(void*)ACPI_PHYS_BASE, 0, USER_MAP_MAX - ACPI_PHYS_BASE);
__default_section_init();
AcpiDbgLayer = 0;
AcpiDbgLevel = ACPI_LV_REPAIR | ACPI_LV_INTERRUPTS;
status = InitializeFullAcpi ();
CHECK_STATUS("InitializeFullAcpi");
int pic_mode = 0; // Default is PIC mode if something fails
status = PrintAPICTable();
CHECK_STATUS("PrintAPICTable");
status = FindIOAPICs(&pic_mode);
CHECK_STATUS("Find IOAPIC");
status = ExecuteOSI(pic_mode);
CHECK_STATUS("ExecuteOSI");
// Tables we get in Bochs:
// * DSDT: All the AML code
// * FACS
// * FACP
// * APIC (= MADT)
// * SSDT: Secondary System Description Table
// Contains more AML code loaded automatically by ACPICA
// More tables on qemu:
// * Another SSDT (Loaded by ACPICA)
// * HPET table
// PrintFACSTable();
// PrintFACPTable();
// TODO Iterate through and disable all pci interrupt link devices (call
// _DIS). Then we'll enable the ones we actually intend to use.
EnumeratePCI();
AcpiWriteBitRegister(ACPI_BITREG_SCI_ENABLE, 1);
//AcpiWriteBitRegister(ACPI_BITREG_POWER_BUTTON_ENABLE, 1);
AcpiInstallGlobalEventHandler(GlobalEventHandler, NULL);
AcpiEnableEvent(ACPI_EVENT_POWER_BUTTON, 0);
for (;;) {
ipc_dest_t rcpt = 0x100;
ipc_arg_t arg = 0;
ipc_arg_t arg2 = 0;
ipc_msg_t msg = recv2(&rcpt, &arg, &arg2);
//printf("acpica: Received %#lx from %#lx: %#lx %#lx\n", msg, rcpt, arg, arg2);
if (msg == MSG_PULSE) {
if (AcpiOsCheckInterrupt(rcpt, arg)) {
continue;
} else {
printf("acpica: Unhandled pulse: %#x from %#lx\n", arg, rcpt);
}
}
switch (msg & 0xff)
{
case MSG_ACPI_FIND_PCI:
MsgFindPci(rcpt, arg);
break;
case MSG_ACPI_CLAIM_PCI:
MsgClaimPci(rcpt, arg, arg2);
break;
// This feels a bit wrong, but as long as we use PIO access to PCI
// configuration space, we need to serialize all accesses.
case MSG_ACPI_READ_PCI:
arg = PciReadWord((arg & 0x7ffffffc) | 0x80000000);
send1(MSG_ACPI_READ_PCI, rcpt, arg);
break;
case MSG_ACPI_DEBUGGER_INIT:
debugger_pre_cmd();
send0(MSG_ACPI_DEBUGGER_INIT, rcpt);
break;
case MSG_ACPI_DEBUGGER_BUFFER:
assert(debugger_buffer_pos < ACPI_DB_LINE_BUFFER_SIZE);
AcpiGbl_DbLineBuf[debugger_buffer_pos++] = arg;
send0(MSG_ACPI_DEBUGGER_BUFFER, rcpt);
break;
case MSG_ACPI_DEBUGGER_CMD:
assert(debugger_buffer_pos < ACPI_DB_LINE_BUFFER_SIZE);
AcpiGbl_DbLineBuf[debugger_buffer_pos++] = 0;
putchar('\n');
AcpiDbCommandDispatch(AcpiGbl_DbLineBuf, NULL, NULL);
debugger_pre_cmd();
send0(MSG_ACPI_DEBUGGER_CMD, rcpt);
break;
case MSG_ACPI_DEBUGGER_CLR_BUFFER:
debugger_pre_cmd();
send0(MSG_ACPI_DEBUGGER_CLR_BUFFER, rcpt);
break;
case MSG_REG_IRQ:
RegIRQ(rcpt, arg);
continue;
case MSG_IRQ_ACK:
AckIRQ(rcpt);
continue;
}
// TODO Handle other stuff.
if (rcpt == 0x100)
{
hmod(rcpt, 0, 0);
}
}
__builtin_unreachable();
failed:
printf("ACPI failed :( (status %x)\n", status);
abort();
}
