0065eb1222
keeps changing, so to reduce repository thrash everything has been moved into a single directory. (repo copy involved)
557 lines
18 KiB
C
557 lines
18 KiB
C
|
|
/******************************************************************************
|
|
*
|
|
* Module Name: exregion - ACPI default OpRegion (address space) handlers
|
|
* $Revision: 48 $
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/******************************************************************************
|
|
*
|
|
* 1. Copyright Notice
|
|
*
|
|
* Some or all of this work - Copyright (c) 1999, 2000, 2001, Intel Corp.
|
|
* All rights reserved.
|
|
*
|
|
* 2. License
|
|
*
|
|
* 2.1. This is your license from Intel Corp. under its intellectual property
|
|
* rights. You may have additional license terms from the party that provided
|
|
* you this software, covering your right to use that party's intellectual
|
|
* property rights.
|
|
*
|
|
* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
|
|
* copy of the source code appearing in this file ("Covered Code") an
|
|
* irrevocable, perpetual, worldwide license under Intel's copyrights in the
|
|
* base code distributed originally by Intel ("Original Intel Code") to copy,
|
|
* make derivatives, distribute, use and display any portion of the Covered
|
|
* Code in any form, with the right to sublicense such rights; and
|
|
*
|
|
* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
|
|
* license (with the right to sublicense), under only those claims of Intel
|
|
* patents that are infringed by the Original Intel Code, to make, use, sell,
|
|
* offer to sell, and import the Covered Code and derivative works thereof
|
|
* solely to the minimum extent necessary to exercise the above copyright
|
|
* license, and in no event shall the patent license extend to any additions
|
|
* to or modifications of the Original Intel Code. No other license or right
|
|
* is granted directly or by implication, estoppel or otherwise;
|
|
*
|
|
* The above copyright and patent license is granted only if the following
|
|
* conditions are met:
|
|
*
|
|
* 3. Conditions
|
|
*
|
|
* 3.1. Redistribution of Source with Rights to Further Distribute Source.
|
|
* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification with rights to further distribute source must include
|
|
* the above Copyright Notice, the above License, this list of Conditions,
|
|
* and the following Disclaimer and Export Compliance provision. In addition,
|
|
* Licensee must cause all Covered Code to which Licensee contributes to
|
|
* contain a file documenting the changes Licensee made to create that Covered
|
|
* Code and the date of any change. Licensee must include in that file the
|
|
* documentation of any changes made by any predecessor Licensee. Licensee
|
|
* must include a prominent statement that the modification is derived,
|
|
* directly or indirectly, from Original Intel Code.
|
|
*
|
|
* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
|
|
* Redistribution of source code of any substantial portion of the Covered
|
|
* Code or modification without rights to further distribute source must
|
|
* include the following Disclaimer and Export Compliance provision in the
|
|
* documentation and/or other materials provided with distribution. In
|
|
* addition, Licensee may not authorize further sublicense of source of any
|
|
* portion of the Covered Code, and must include terms to the effect that the
|
|
* license from Licensee to its licensee is limited to the intellectual
|
|
* property embodied in the software Licensee provides to its licensee, and
|
|
* not to intellectual property embodied in modifications its licensee may
|
|
* make.
|
|
*
|
|
* 3.3. Redistribution of Executable. Redistribution in executable form of any
|
|
* substantial portion of the Covered Code or modification must reproduce the
|
|
* above Copyright Notice, and the following Disclaimer and Export Compliance
|
|
* provision in the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3.4. Intel retains all right, title, and interest in and to the Original
|
|
* Intel Code.
|
|
*
|
|
* 3.5. Neither the name Intel nor any other trademark owned or controlled by
|
|
* Intel shall be used in advertising or otherwise to promote the sale, use or
|
|
* other dealings in products derived from or relating to the Covered Code
|
|
* without prior written authorization from Intel.
|
|
*
|
|
* 4. Disclaimer and Export Compliance
|
|
*
|
|
* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
|
|
* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
|
|
* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
|
|
* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
|
|
* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE.
|
|
*
|
|
* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
|
|
* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
|
|
* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
|
|
* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
|
|
* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
|
|
* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
|
|
* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
|
|
* LIMITED REMEDY.
|
|
*
|
|
* 4.3. Licensee shall not export, either directly or indirectly, any of this
|
|
* software or system incorporating such software without first obtaining any
|
|
* required license or other approval from the U. S. Department of Commerce or
|
|
* any other agency or department of the United States Government. In the
|
|
* event Licensee exports any such software from the United States or
|
|
* re-exports any such software from a foreign destination, Licensee shall
|
|
* ensure that the distribution and export/re-export of the software is in
|
|
* compliance with all laws, regulations, orders, or other restrictions of the
|
|
* U.S. Export Administration Regulations. Licensee agrees that neither it nor
|
|
* any of its subsidiaries will export/re-export any technical data, process,
|
|
* software, or service, directly or indirectly, to any country for which the
|
|
* United States government or any agency thereof requires an export license,
|
|
* other governmental approval, or letter of assurance, without first obtaining
|
|
* such license, approval or letter.
|
|
*
|
|
*****************************************************************************/
|
|
|
|
|
|
#define __EXREGION_C__
|
|
|
|
#include "acpi.h"
|
|
#include "acinterp.h"
|
|
#include "amlcode.h"
|
|
#include "acnamesp.h"
|
|
#include "achware.h"
|
|
#include "acevents.h"
|
|
|
|
|
|
#define _COMPONENT ACPI_EXECUTER
|
|
MODULE_NAME ("exregion")
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiExSystemMemorySpaceHandler
|
|
*
|
|
* PARAMETERS: Function - Read or Write operation
|
|
* Address - Where in the space to read or write
|
|
* BitWidth - Field width in bits (8, 16, or 32)
|
|
* Value - Pointer to in or out value
|
|
* HandlerContext - Pointer to Handler's context
|
|
* RegionContext - Pointer to context specific to the
|
|
* accessed region
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Handler for the System Memory address space (Op Region)
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiExSystemMemorySpaceHandler (
|
|
UINT32 Function,
|
|
ACPI_PHYSICAL_ADDRESS Address,
|
|
UINT32 BitWidth,
|
|
UINT32 *Value,
|
|
void *HandlerContext,
|
|
void *RegionContext)
|
|
{
|
|
ACPI_STATUS Status = AE_OK;
|
|
void *LogicalAddrPtr = NULL;
|
|
ACPI_MEM_SPACE_CONTEXT *MemInfo = RegionContext;
|
|
UINT32 Length;
|
|
|
|
|
|
FUNCTION_TRACE ("ExSystemMemorySpaceHandler");
|
|
|
|
|
|
/* Validate and translate the bit width */
|
|
|
|
switch (BitWidth)
|
|
{
|
|
case 8:
|
|
Length = 1;
|
|
break;
|
|
|
|
case 16:
|
|
Length = 2;
|
|
break;
|
|
|
|
case 32:
|
|
Length = 4;
|
|
break;
|
|
|
|
default:
|
|
DEBUG_PRINTP (ACPI_ERROR, ("Invalid SystemMemory width %d\n",
|
|
BitWidth));
|
|
return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
|
|
break;
|
|
}
|
|
|
|
|
|
/*
|
|
* Does the request fit into the cached memory mapping?
|
|
* Is 1) Address below the current mapping? OR
|
|
* 2) Address beyond the current mapping?
|
|
*/
|
|
|
|
if ((Address < MemInfo->MappedPhysicalAddress) ||
|
|
(((ACPI_INTEGER) Address + Length) >
|
|
((ACPI_INTEGER) MemInfo->MappedPhysicalAddress + MemInfo->MappedLength)))
|
|
{
|
|
/*
|
|
* The request cannot be resolved by the current memory mapping;
|
|
* Delete the existing mapping and create a new one.
|
|
*/
|
|
|
|
if (MemInfo->MappedLength)
|
|
{
|
|
/* Valid mapping, delete it */
|
|
|
|
AcpiOsUnmapMemory (MemInfo->MappedLogicalAddress,
|
|
MemInfo->MappedLength);
|
|
}
|
|
|
|
MemInfo->MappedLength = 0; /* In case of failure below */
|
|
|
|
/* Create a new mapping starting at the address given */
|
|
|
|
Status = AcpiOsMapMemory (Address, SYSMEM_REGION_WINDOW_SIZE,
|
|
(void **) &MemInfo->MappedLogicalAddress);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/* TBD: should these pointers go to 64-bit in all cases ? */
|
|
|
|
MemInfo->MappedPhysicalAddress = Address;
|
|
MemInfo->MappedLength = SYSMEM_REGION_WINDOW_SIZE;
|
|
}
|
|
|
|
|
|
/*
|
|
* Generate a logical pointer corresponding to the address we want to
|
|
* access
|
|
*/
|
|
|
|
/* TBD: should these pointers go to 64-bit in all cases ? */
|
|
|
|
LogicalAddrPtr = MemInfo->MappedLogicalAddress +
|
|
((ACPI_INTEGER) Address - (ACPI_INTEGER) MemInfo->MappedPhysicalAddress);
|
|
|
|
/* Perform the memory read or write */
|
|
|
|
switch (Function)
|
|
{
|
|
|
|
case ACPI_READ_ADR_SPACE:
|
|
|
|
DEBUG_PRINT ((TRACE_OPREGION | VERBOSE_INFO),
|
|
("Read (%d width) Address=%p\n", BitWidth, Address));
|
|
|
|
switch (BitWidth)
|
|
{
|
|
case 8:
|
|
*Value = (UINT32)* (UINT8 *) LogicalAddrPtr;
|
|
break;
|
|
|
|
case 16:
|
|
MOVE_UNALIGNED16_TO_32 (Value, LogicalAddrPtr);
|
|
break;
|
|
|
|
case 32:
|
|
MOVE_UNALIGNED32_TO_32 (Value, LogicalAddrPtr);
|
|
break;
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
case ACPI_WRITE_ADR_SPACE:
|
|
|
|
DEBUG_PRINT ((TRACE_OPREGION | VERBOSE_INFO),
|
|
("Write (%d width) Address=%p Value %X\n",
|
|
BitWidth, Address, *Value));
|
|
|
|
switch (BitWidth)
|
|
{
|
|
case 8:
|
|
*(UINT8 *) LogicalAddrPtr = (UINT8) *Value;
|
|
break;
|
|
|
|
case 16:
|
|
MOVE_UNALIGNED16_TO_16 (LogicalAddrPtr, Value);
|
|
break;
|
|
|
|
case 32:
|
|
MOVE_UNALIGNED32_TO_32 (LogicalAddrPtr, Value);
|
|
break;
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
Status = AE_BAD_PARAMETER;
|
|
break;
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiExSystemIoSpaceHandler
|
|
*
|
|
* PARAMETERS: Function - Read or Write operation
|
|
* Address - Where in the space to read or write
|
|
* BitWidth - Field width in bits (8, 16, or 32)
|
|
* Value - Pointer to in or out value
|
|
* HandlerContext - Pointer to Handler's context
|
|
* RegionContext - Pointer to context specific to the
|
|
* accessed region
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Handler for the System IO address space (Op Region)
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiExSystemIoSpaceHandler (
|
|
UINT32 Function,
|
|
ACPI_PHYSICAL_ADDRESS Address,
|
|
UINT32 BitWidth,
|
|
UINT32 *Value,
|
|
void *HandlerContext,
|
|
void *RegionContext)
|
|
{
|
|
ACPI_STATUS Status = AE_OK;
|
|
|
|
|
|
FUNCTION_TRACE ("ExSystemIoSpaceHandler");
|
|
|
|
|
|
/* Decode the function parameter */
|
|
|
|
switch (Function)
|
|
{
|
|
|
|
case ACPI_READ_ADR_SPACE:
|
|
|
|
DEBUG_PRINT ((TRACE_OPREGION | VERBOSE_INFO),
|
|
("Read(%d width) Address=%p\n", BitWidth, Address));
|
|
|
|
switch (BitWidth)
|
|
{
|
|
/* I/O Port width */
|
|
|
|
case 8:
|
|
*Value = (UINT32) AcpiOsIn8 ((ACPI_IO_ADDRESS) Address);
|
|
break;
|
|
|
|
case 16:
|
|
*Value = (UINT32) AcpiOsIn16 ((ACPI_IO_ADDRESS) Address);
|
|
break;
|
|
|
|
case 32:
|
|
*Value = AcpiOsIn32 ((ACPI_IO_ADDRESS) Address);
|
|
break;
|
|
|
|
default:
|
|
DEBUG_PRINTP (ACPI_ERROR, ("Invalid SystemIO width %d\n",
|
|
BitWidth));
|
|
Status = AE_AML_OPERAND_VALUE;
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
case ACPI_WRITE_ADR_SPACE:
|
|
|
|
DEBUG_PRINT ((TRACE_OPREGION | VERBOSE_INFO),
|
|
("Write(%d width) Address=%p Value %X\n",
|
|
BitWidth, Address, *Value));
|
|
|
|
switch (BitWidth)
|
|
{
|
|
/* I/O Port width */
|
|
case 8:
|
|
AcpiOsOut8 ((ACPI_IO_ADDRESS) Address, (UINT8) *Value);
|
|
break;
|
|
|
|
case 16:
|
|
AcpiOsOut16 ((ACPI_IO_ADDRESS) Address, (UINT16) *Value);
|
|
break;
|
|
|
|
case 32:
|
|
AcpiOsOut32 ((ACPI_IO_ADDRESS) Address, *Value);
|
|
break;
|
|
|
|
default:
|
|
DEBUG_PRINTP (ACPI_ERROR, ("Invalid SystemIO width %d\n",
|
|
BitWidth));
|
|
Status = AE_AML_OPERAND_VALUE;
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
Status = AE_BAD_PARAMETER;
|
|
break;
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: AcpiExPciConfigSpaceHandler
|
|
*
|
|
* PARAMETERS: Function - Read or Write operation
|
|
* Address - Where in the space to read or write
|
|
* BitWidth - Field width in bits (8, 16, or 32)
|
|
* Value - Pointer to in or out value
|
|
* HandlerContext - Pointer to Handler's context
|
|
* RegionContext - Pointer to context specific to the
|
|
* accessed region
|
|
*
|
|
* RETURN: Status
|
|
*
|
|
* DESCRIPTION: Handler for the PCI Config address space (Op Region)
|
|
*
|
|
******************************************************************************/
|
|
|
|
ACPI_STATUS
|
|
AcpiExPciConfigSpaceHandler (
|
|
UINT32 Function,
|
|
ACPI_PHYSICAL_ADDRESS Address,
|
|
UINT32 BitWidth,
|
|
UINT32 *Value,
|
|
void *HandlerContext,
|
|
void *RegionContext)
|
|
{
|
|
ACPI_STATUS Status = AE_OK;
|
|
UINT32 PciBus;
|
|
UINT32 DevFunc;
|
|
UINT8 PciReg;
|
|
ACPI_PCI_SPACE_CONTEXT *PCIContext;
|
|
|
|
|
|
FUNCTION_TRACE ("ExPciConfigSpaceHandler");
|
|
|
|
/*
|
|
* The arguments to AcpiOs(Read|Write)PciCfg(Byte|Word|Dword) are:
|
|
*
|
|
* SegBus - 0xSSSSBBBB - SSSS is the PCI bus segment
|
|
* BBBB is the PCI bus number
|
|
*
|
|
* DevFunc - 0xDDDDFFFF - DDDD is the PCI device number
|
|
* FFFF is the PCI device function number
|
|
*
|
|
* RegNum - Config space register must be < 40h
|
|
*
|
|
* Value - input value for write, output for read
|
|
*
|
|
*/
|
|
|
|
PCIContext = (ACPI_PCI_SPACE_CONTEXT *) RegionContext;
|
|
|
|
PciBus = LOWORD (PCIContext->Seg) << 16;
|
|
PciBus |= LOWORD (PCIContext->Bus);
|
|
|
|
DevFunc = PCIContext->DevFunc;
|
|
|
|
PciReg = (UINT8) Address;
|
|
|
|
switch (Function)
|
|
{
|
|
|
|
case ACPI_READ_ADR_SPACE:
|
|
|
|
DEBUG_PRINT ((TRACE_OPREGION | VERBOSE_INFO),
|
|
("R%d S(%04x) B(%04x) DF(%08x) R(%04x)\n", BitWidth,
|
|
PCIContext->Seg,PCIContext->Bus,PCIContext->DevFunc, PciReg));
|
|
|
|
*Value = 0;
|
|
|
|
switch (BitWidth)
|
|
{
|
|
/* PCI Register width */
|
|
|
|
case 8:
|
|
Status = AcpiOsReadPciCfgByte (PciBus, DevFunc, PciReg,
|
|
(UINT8 *) Value);
|
|
break;
|
|
|
|
case 16:
|
|
Status = AcpiOsReadPciCfgWord (PciBus, DevFunc, PciReg,
|
|
(UINT16 *) Value);
|
|
break;
|
|
|
|
case 32:
|
|
Status = AcpiOsReadPciCfgDword (PciBus, DevFunc, PciReg,
|
|
Value);
|
|
break;
|
|
|
|
default:
|
|
DEBUG_PRINTP (ACPI_ERROR, ("Invalid PCIConfig width %d\n",
|
|
BitWidth));
|
|
Status = AE_AML_OPERAND_VALUE;
|
|
|
|
} /* Switch bitWidth */
|
|
|
|
break;
|
|
|
|
|
|
case ACPI_WRITE_ADR_SPACE:
|
|
|
|
DEBUG_PRINT ((TRACE_OPREGION | VERBOSE_INFO),
|
|
("W%d S(%04x) B(%04x) DF(%08x) R(%04x) D(%08x)\n", BitWidth,
|
|
PCIContext->Seg,PCIContext->Bus,PCIContext->DevFunc,
|
|
PciReg,*Value));
|
|
|
|
switch (BitWidth)
|
|
{
|
|
/* PCI Register width */
|
|
|
|
case 8:
|
|
Status = AcpiOsWritePciCfgByte (PciBus, DevFunc, PciReg,
|
|
*(UINT8 *) Value);
|
|
break;
|
|
|
|
case 16:
|
|
Status = AcpiOsWritePciCfgWord (PciBus, DevFunc, PciReg,
|
|
*(UINT16 *) Value);
|
|
break;
|
|
|
|
case 32:
|
|
Status = AcpiOsWritePciCfgDword (PciBus, DevFunc, PciReg,
|
|
*Value);
|
|
break;
|
|
|
|
default:
|
|
DEBUG_PRINTP (ACPI_ERROR, ("Invalid PCIConfig width %d\n",
|
|
BitWidth));
|
|
Status = AE_AML_OPERAND_VALUE;
|
|
|
|
} /* Switch bitWidth */
|
|
|
|
break;
|
|
|
|
|
|
default:
|
|
|
|
Status = AE_BAD_PARAMETER;
|
|
break;
|
|
|
|
}
|
|
|
|
return_ACPI_STATUS (Status);
|
|
}
|
|
|