__EXREGION_C__ _COMPONENT AcpiExCmosSpaceHandler AcpiExDataTableSpaceHandler AcpiExPciBarSpaceHandler AcpiExPciConfigSpaceHandler AcpiExSystemIoSpaceHandler AcpiExSystemMemorySpaceHandler

ACPI_STATUS AcpiExSystemIoSpaceHandler ( UINT32  Function, ACPI_PHYSICAL_ADDRESS  Address, UINT32  BitWidth, UINT64 *  Value, void *  HandlerContext, void *  RegionContext  ) Definition at line 382 of file exregion.c. Referenced by AcpiEvInstallSpaceHandler(). { ACPI_STATUS Status = AE_OK; UINT32 Value32; ACPI_FUNCTION_TRACE (ExSystemIoSpaceHandler); ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "System-IO (width %u) R/W %u Address=%8.8X%8.8X\n", BitWidth, Function, ACPI_FORMAT_NATIVE_UINT (Address))); /* Decode the function parameter */ switch (Function) { case ACPI_READ: Status = AcpiHwReadPort ((ACPI_IO_ADDRESS) Address, &Value32, BitWidth); *Value = Value32; break; case ACPI_WRITE: Status = AcpiHwWritePort ((ACPI_IO_ADDRESS) Address, (UINT32) *Value, BitWidth); break; default: Status = AE_BAD_PARAMETER; break; } return_ACPI_STATUS (Status); }