diff options
Diffstat (limited to 'usr/src/common/acpica/utilities/utxfinit.c')
| -rw-r--r-- | usr/src/common/acpica/utilities/utxfinit.c | 340 |
1 files changed, 340 insertions, 0 deletions
diff --git a/usr/src/common/acpica/utilities/utxfinit.c b/usr/src/common/acpica/utilities/utxfinit.c new file mode 100644 index 0000000000..2a518bc82d --- /dev/null +++ b/usr/src/common/acpica/utilities/utxfinit.c @@ -0,0 +1,340 @@ +/****************************************************************************** + * + * Module Name: utxfinit - External interfaces for ACPICA initialization + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2016, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#define EXPORT_ACPI_INTERFACES + +#include "acpi.h" +#include "accommon.h" +#include "acevents.h" +#include "acnamesp.h" +#include "acdebug.h" +#include "actables.h" + +#define _COMPONENT ACPI_UTILITIES + ACPI_MODULE_NAME ("utxfinit") + +/* For AcpiExec only */ +void +AeDoObjectOverrides ( + void); + + +/******************************************************************************* + * + * FUNCTION: AcpiInitializeSubsystem + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Initializes all global variables. This is the first function + * called, so any early initialization belongs here. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiInitializeSubsystem ( + void) +{ + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE (AcpiInitializeSubsystem); + + + AcpiGbl_StartupFlags = ACPI_SUBSYSTEM_INITIALIZE; + ACPI_DEBUG_EXEC (AcpiUtInitStackPtrTrace ()); + + /* Initialize the OS-Dependent layer */ + + Status = AcpiOsInitialize (); + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, Status, "During OSL initialization")); + return_ACPI_STATUS (Status); + } + + /* Initialize all globals used by the subsystem */ + + Status = AcpiUtInitGlobals (); + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, Status, "During initialization of globals")); + return_ACPI_STATUS (Status); + } + + /* Create the default mutex objects */ + + Status = AcpiUtMutexInitialize (); + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, Status, "During Global Mutex creation")); + return_ACPI_STATUS (Status); + } + + /* + * Initialize the namespace manager and + * the root of the namespace tree + */ + Status = AcpiNsRootInitialize (); + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, Status, "During Namespace initialization")); + return_ACPI_STATUS (Status); + } + + /* Initialize the global OSI interfaces list with the static names */ + + Status = AcpiUtInitializeInterfaces (); + if (ACPI_FAILURE (Status)) + { + ACPI_EXCEPTION ((AE_INFO, Status, "During OSI interfaces initialization")); + return_ACPI_STATUS (Status); + } + + return_ACPI_STATUS (AE_OK); +} + +ACPI_EXPORT_SYMBOL_INIT (AcpiInitializeSubsystem) + + +/******************************************************************************* + * + * FUNCTION: AcpiEnableSubsystem + * + * PARAMETERS: Flags - Init/enable Options + * + * RETURN: Status + * + * DESCRIPTION: Completes the subsystem initialization including hardware. + * Puts system into ACPI mode if it isn't already. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiEnableSubsystem ( + UINT32 Flags) +{ + ACPI_STATUS Status = AE_OK; + + + ACPI_FUNCTION_TRACE (AcpiEnableSubsystem); + + + /* + * The early initialization phase is complete. The namespace is loaded, + * and we can now support address spaces other than Memory, I/O, and + * PCI_Config. + */ + AcpiGbl_EarlyInitialization = FALSE; + +#if (!ACPI_REDUCED_HARDWARE) + + /* Enable ACPI mode */ + + if (!(Flags & ACPI_NO_ACPI_ENABLE)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n")); + + AcpiGbl_OriginalMode = AcpiHwGetMode(); + + Status = AcpiEnable (); + if (ACPI_FAILURE (Status)) + { + ACPI_WARNING ((AE_INFO, "AcpiEnable failed")); + return_ACPI_STATUS (Status); + } + } + + /* + * Obtain a permanent mapping for the FACS. This is required for the + * Global Lock and the Firmware Waking Vector + */ + if (!(Flags & ACPI_NO_FACS_INIT)) + { + Status = AcpiTbInitializeFacs (); + if (ACPI_FAILURE (Status)) + { + ACPI_WARNING ((AE_INFO, "Could not map the FACS table")); + return_ACPI_STATUS (Status); + } + } + + /* + * Initialize ACPI Event handling (Fixed and General Purpose) + * + * Note1: We must have the hardware and events initialized before we can + * execute any control methods safely. Any control method can require + * ACPI hardware support, so the hardware must be fully initialized before + * any method execution! + * + * Note2: Fixed events are initialized and enabled here. GPEs are + * initialized, but cannot be enabled until after the hardware is + * completely initialized (SCI and GlobalLock activated) and the various + * initialization control methods are run (_REG, _STA, _INI) on the + * entire namespace. + */ + if (!(Flags & ACPI_NO_EVENT_INIT)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "[Init] Initializing ACPI events\n")); + + Status = AcpiEvInitializeEvents (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + /* + * Install the SCI handler and Global Lock handler. This completes the + * hardware initialization. + */ + if (!(Flags & ACPI_NO_HANDLER_INIT)) + { + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, + "[Init] Installing SCI/GL handlers\n")); + + Status = AcpiEvInstallXruptHandlers (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + +#endif /* !ACPI_REDUCED_HARDWARE */ + + return_ACPI_STATUS (Status); +} + +ACPI_EXPORT_SYMBOL_INIT (AcpiEnableSubsystem) + + +/******************************************************************************* + * + * FUNCTION: AcpiInitializeObjects + * + * PARAMETERS: Flags - Init/enable Options + * + * RETURN: Status + * + * DESCRIPTION: Completes namespace initialization by initializing device + * objects and executing AML code for Regions, buffers, etc. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiInitializeObjects ( + UINT32 Flags) +{ + ACPI_STATUS Status = AE_OK; + + + ACPI_FUNCTION_TRACE (AcpiInitializeObjects); + + +#ifdef ACPI_EXEC_APP + /* + * This call implements the "initialization file" option for AcpiExec. + * This is the precise point that we want to perform the overrides. + */ + AeDoObjectOverrides (); +#endif + + /* + * Execute any module-level code that was detected during the table load + * phase. Although illegal since ACPI 2.0, there are many machines that + * contain this type of code. Each block of detected executable AML code + * outside of any control method is wrapped with a temporary control + * method object and placed on a global list. The methods on this list + * are executed below. + * + * This case executes the module-level code for all tables only after + * all of the tables have been loaded. It is a legacy option and is + * not compatible with other ACPI implementations. See AcpiNsLoadTable. + */ + if (AcpiGbl_GroupModuleLevelCode) + { + AcpiNsExecModuleCodeList (); + + /* + * Initialize the objects that remain uninitialized. This + * runs the executable AML that may be part of the + * declaration of these objects: + * OperationRegions, BufferFields, Buffers, and Packages. + */ + if (!(Flags & ACPI_NO_OBJECT_INIT)) + { + Status = AcpiNsInitializeObjects (); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + } + + /* + * Initialize all device/region objects in the namespace. This runs + * the device _STA and _INI methods and region _REG methods. + */ + if (!(Flags & (ACPI_NO_DEVICE_INIT | ACPI_NO_ADDRESS_SPACE_INIT))) + { + Status = AcpiNsInitializeDevices (Flags); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + /* + * Empty the caches (delete the cached objects) on the assumption that + * the table load filled them up more than they will be at runtime -- + * thus wasting non-paged memory. + */ + Status = AcpiPurgeCachedObjects (); + + AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK; + return_ACPI_STATUS (Status); +} + +ACPI_EXPORT_SYMBOL_INIT (AcpiInitializeObjects) |