XenOn/kolibrios-fun
1
1
Fork 0
forked from KolibriOS/kolibrios
Code Pull Requests Wiki Activity
8bc17ae113
kolibrios-fun/drivers/devman/acpica/osunixxf.c
Sergey Semyonov (Serge) 8ec96e9db0 update acpica 
git-svn-id: svn://kolibrios.org@2216 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-09-20 16:54:11 +00:00

1298 lines
32 KiB
C
Raw Blame History

/******************************************************************************
*
* Module Name: osunixxf - UNIX OSL interfaces
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2011, 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.
*
*****************************************************************************/
#include "acpi.h"
#include "accommon.h"
#include "amlcode.h"
#include "acparser.h"
#include "acdebug.h"
/*
* These interfaces are required in order to compile the ASL compiler under
* Linux or other Unix-like system.
*/
/*
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <sys/time.h>
#include <semaphore.h>
#include <pthread.h>
*/
#define _COMPONENT ACPI_OS_SERVICES
ACPI_MODULE_NAME ("oskolibri")
extern void *AcpiGbl_DebugFile;
void *AcpiGbl_OutputFile;
static UINT32 sACPIRoot = 0;
void
AeTableOverride (
ACPI_TABLE_HEADER *ExistingTable,
ACPI_TABLE_HEADER **NewTable);
typedef void* (*PTHREAD_CALLBACK) (void *);
/******************************************************************************
*
* FUNCTION: AcpiOsInitialize, AcpiOsTerminate
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Init and terminate. Nothing to do.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsInitialize (void)
{
if(!dbg_open("/rd/1/drivers/acpi.log"))
{
dbgprintf("Can't open /rd/1/drivers/acpi.log\nExit\n");
return AE_ERROR;
}
return (AE_OK);
}
ACPI_STATUS
AcpiOsTerminate (void)
{
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsGetRootPointer
*
* PARAMETERS: None
*
* RETURN: RSDP physical address
*
* DESCRIPTION: Gets the root pointer (RSDP)
*
*****************************************************************************/
ACPI_PHYSICAL_ADDRESS
AcpiOsGetRootPointer (
void)
{
ACPI_SIZE address;
ACPI_STATUS status;
if (sACPIRoot == 0) {
status = AcpiFindRootPointer(&address);
if (status == AE_OK)
sACPIRoot = address;
}
dbgprintf("AcpiOsGetRootPointer returning %p\n", (void *)sACPIRoot);
return sACPIRoot;
}
/******************************************************************************
*
* FUNCTION: AcpiOsPredefinedOverride
*
* PARAMETERS: InitVal - Initial value of the predefined object
* NewVal - The new value for the object
*
* RETURN: Status, pointer to value. Null pointer returned if not
* overriding.
*
* DESCRIPTION: Allow the OS to override predefined names
*
*****************************************************************************/
ACPI_STATUS
AcpiOsPredefinedOverride (
const ACPI_PREDEFINED_NAMES *InitVal,
ACPI_STRING *NewVal)
{
if (!InitVal || !NewVal)
{
return (AE_BAD_PARAMETER);
}
*NewVal = NULL;
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsTableOverride
*
* PARAMETERS: ExistingTable - Header of current table (probably
* firmware)
* NewTable - Where an entire new table is returned.
*
* RETURN: Status, pointer to new table. Null pointer returned if no
* table is available to override
*
* DESCRIPTION: Return a different version of a table if one is available
*
*****************************************************************************/
ACPI_STATUS
AcpiOsTableOverride (
ACPI_TABLE_HEADER *ExistingTable,
ACPI_TABLE_HEADER **NewTable)
{
if (!ExistingTable || !NewTable)
{
return (AE_BAD_PARAMETER);
}
*NewTable = NULL;
#ifdef ACPI_EXEC_APP
AeTableOverride (ExistingTable, NewTable);
return (AE_OK);
#else
return (AE_NO_ACPI_TABLES);
#endif
}
/******************************************************************************
*
* FUNCTION: AcpiOsRedirectOutput
*
* PARAMETERS: Destination - An open file handle/pointer
*
* RETURN: None
*
* DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf
*
*****************************************************************************/
void
AcpiOsRedirectOutput (
void *Destination)
{
AcpiGbl_OutputFile = Destination;
}
/******************************************************************************
*
* FUNCTION: AcpiOsPrintf
*
* PARAMETERS: fmt, ... - Standard printf format
*
* RETURN: None
*
* DESCRIPTION: Formatted output
*
*****************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
AcpiOsPrintf (
const char *Fmt,
...)
{
va_list Args;
va_start (Args, Fmt);
AcpiOsVprintf (Fmt, Args);
va_end (Args);
}
/******************************************************************************
*
* FUNCTION: AcpiOsVprintf
*
* PARAMETERS: fmt - Standard printf format
* args - Argument list
*
* RETURN: None
*
* DESCRIPTION: Formatted output with argument list pointer
*
*****************************************************************************/
void
AcpiOsVprintf (
const char *Fmt,
va_list Args)
{
// INT32 Count = 0;
// UINT8 Flags;
// static char outputBuffer[1024];
// vsnprintf(outputBuffer, 1024, Fmt, Args);
}
/******************************************************************************
*
* FUNCTION: AcpiOsMapMemory
*
* PARAMETERS: where - Physical address of memory to be mapped
* length - How much memory to map
*
* RETURN: Pointer to mapped memory. Null on error.
*
* DESCRIPTION: Map physical memory into caller's address space
*
*****************************************************************************/
void *
AcpiOsMapMemory (
ACPI_PHYSICAL_ADDRESS where,
ACPI_SIZE length)
{
void* retval=NULL;
if( (UINT64)where+length <= 0x100000000ULL)
retval = (void*)MapIoMem(where, 4096+(UINT32)length, 0x07);
// dbgprintf("%s %x-> %x %x\n",__FUNCTION__,
// where, retval, length);
return retval;
}
/******************************************************************************
*
* FUNCTION: AcpiOsUnmapMemory
*
* PARAMETERS: where - Logical address of memory to be unmapped
* length - How much memory to unmap
*
* RETURN: None.
*
* DESCRIPTION: Delete a previously created mapping. Where and Length must
* correspond to a previous mapping exactly.
*
*****************************************************************************/
void
AcpiOsUnmapMemory (
void *where,
ACPI_SIZE length)
{
FreeKernelSpace( 0xFFFFF000 & (UINT32)where);
return;
}
/******************************************************************************
*
* FUNCTION: AcpiOsAllocate
*
* PARAMETERS: Size - Amount to allocate, in bytes
*
* RETURN: Pointer to the new allocation. Null on error.
*
* DESCRIPTION: Allocate memory. Algorithm is dependent on the OS.
*
*****************************************************************************/
void *
AcpiOsAllocate (
ACPI_SIZE size)
{
void *Mem;
Mem = (void *) malloc ((size_t) size);
return (Mem);
}
/******************************************************************************
*
* FUNCTION: AcpiOsFree
*
* PARAMETERS: mem - Pointer to previously allocated memory
*
* RETURN: None.
*
* DESCRIPTION: Free memory allocated via AcpiOsAllocate
*
*****************************************************************************/
void
AcpiOsFree (
void *mem)
{
free (mem);
}
/******************************************************************************
*
* FUNCTION: AcpiOsCreateSemaphore
*
* PARAMETERS: InitialUnits - Units to be assigned to the new semaphore
* OutHandle - Where a handle will be returned
*
* RETURN: Status
*
* DESCRIPTION: Create an OS semaphore
*
*****************************************************************************/
ACPI_STATUS
AcpiOsCreateSemaphore (
UINT32 MaxUnits,
UINT32 InitialUnits,
ACPI_HANDLE *OutHandle)
{
if (!OutHandle)
{
return (AE_BAD_PARAMETER);
}
*OutHandle = (ACPI_HANDLE) 1;
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsDeleteSemaphore
*
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
*
* RETURN: Status
*
* DESCRIPTION: Delete an OS semaphore
*
*****************************************************************************/
ACPI_STATUS
AcpiOsDeleteSemaphore (
ACPI_HANDLE Handle)
{
if (!Handle)
{
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsWaitSemaphore
*
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
* Units - How many units to wait for
* Timeout - How long to wait
*
* RETURN: Status
*
* DESCRIPTION: Wait for units
*
*****************************************************************************/
ACPI_STATUS
AcpiOsWaitSemaphore (
ACPI_HANDLE Handle,
UINT32 Units,
UINT16 Timeout)
{
ACPI_STATUS Status = AE_OK;
#if 0
if (!Sem)
{
return (AE_BAD_PARAMETER);
}
switch (Timeout)
{
/*
* No Wait:
* --------
* A zero timeout value indicates that we shouldn't wait - just
* acquire the semaphore if available otherwise return AE_TIME
* (a.k.a. 'would block').
*/
case 0:
if (sem_trywait(Sem) == -1)
{
Status = (AE_TIME);
}
break;
/* Wait Indefinitely */
case ACPI_WAIT_FOREVER:
if (sem_wait (Sem))
{
Status = (AE_TIME);
}
break;
/* Wait with Timeout */
default:
T.tv_sec = Timeout / 1000;
T.tv_nsec = (Timeout - (T.tv_sec * 1000)) * 1000000;
#ifdef ACPI_USE_ALTERNATE_TIMEOUT
/*
* Alternate timeout mechanism for environments where
* sem_timedwait is not available or does not work properly.
*/
while (Timeout)
{
if (sem_trywait (Sem) == 0)
{
/* Got the semaphore */
return (AE_OK);
}
usleep (1000); /* one millisecond */
Timeout--;
}
Status = (AE_TIME);
#else
if (sem_timedwait (Sem, &T))
{
Status = (AE_TIME);
}
#endif
break;
}
#endif
return (Status);
}
/******************************************************************************
*
* FUNCTION: AcpiOsSignalSemaphore
*
* PARAMETERS: Handle - Handle returned by AcpiOsCreateSemaphore
* Units - Number of units to send
*
* RETURN: Status
*
* DESCRIPTION: Send units
*
*****************************************************************************/
ACPI_STATUS
AcpiOsSignalSemaphore (
ACPI_HANDLE Handle,
UINT32 Units)
{
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: Spinlock interfaces
*
* DESCRIPTION: Map these interfaces to semaphore interfaces
*
*****************************************************************************/
ACPI_STATUS
AcpiOsCreateLock (
ACPI_SPINLOCK *OutHandle)
{
if (!OutHandle)
{
return (AE_BAD_PARAMETER);
}
*OutHandle = (ACPI_HANDLE)malloc(sizeof(u32_t));
if (*OutHandle == NULL)
return AE_NO_MEMORY;
*((UINT32*)(*OutHandle)) = 0;
return AE_OK;
}
void
AcpiOsDeleteLock (
ACPI_SPINLOCK Handle)
{
free (Handle);
}
ACPI_CPU_FLAGS
AcpiOsAcquireLock (
ACPI_HANDLE Handle)
{
AcpiOsWaitSemaphore (Handle, 1, 0xFFFF);
return (0);
}
void
AcpiOsReleaseLock (
ACPI_SPINLOCK Handle,
ACPI_CPU_FLAGS Flags)
{
AcpiOsSignalSemaphore (Handle, 1);
}
/******************************************************************************
*
* FUNCTION: AcpiOsInstallInterruptHandler
*
* PARAMETERS: InterruptNumber Level handler should respond to.
* Isr Address of the ACPI interrupt handler
* ExceptPtr Where status is returned
*
* RETURN: Handle to the newly installed handler.
*
* DESCRIPTION: Install an interrupt handler. Used to install the ACPI
* OS-independent handler.
*
*****************************************************************************/
UINT32
AcpiOsInstallInterruptHandler (
UINT32 InterruptNumber,
ACPI_OSD_HANDLER ServiceRoutine,
void *Context)
{
dbgprintf("%s irq %d\n", InterruptNumber );
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsRemoveInterruptHandler
*
* PARAMETERS: Handle Returned when handler was installed
*
* RETURN: Status
*
* DESCRIPTION: Uninstalls an interrupt handler.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsRemoveInterruptHandler (
UINT32 InterruptNumber,
ACPI_OSD_HANDLER ServiceRoutine)
{
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsExecute
*
* PARAMETERS: Type - Type of execution
* Function - Address of the function to execute
* Context - Passed as a parameter to the function
*
* RETURN: Status.
*
* DESCRIPTION: Execute a new thread
*
*****************************************************************************/
ACPI_STATUS
AcpiOsExecute (
ACPI_EXECUTE_TYPE Type,
ACPI_OSD_EXEC_CALLBACK Function,
void *Context)
{
// pthread_t thread;
// int ret;
// ret = pthread_create (&thread, NULL, (PTHREAD_CALLBACK) Function, Context);
// if (ret)
// {
// AcpiOsPrintf("Create thread failed");
// }
return (0);
}
/******************************************************************************
*
* FUNCTION: AcpiOsStall
*
* PARAMETERS: microseconds - Time to sleep
*
* RETURN: Blocks until sleep is completed.
*
* DESCRIPTION: Sleep at microsecond granularity
*
*****************************************************************************/
void
AcpiOsStall (
UINT32 microseconds)
{
if (microseconds)
{
usleep (microseconds);
}
}
/******************************************************************************
*
* FUNCTION: AcpiOsSleep
*
* PARAMETERS: milliseconds - Time to sleep
*
* RETURN: Blocks until sleep is completed.
*
* DESCRIPTION: Sleep at millisecond granularity
*
*****************************************************************************/
void
AcpiOsSleep (
UINT64 milliseconds)
{
delay(milliseconds / 8);
}
/******************************************************************************
*
* FUNCTION: AcpiOsGetTimer
*
* PARAMETERS: None
*
* RETURN: Current time in 100 nanosecond units
*
* DESCRIPTION: Get the current system time
*
*****************************************************************************/
UINT64
AcpiOsGetTimer (void)
{
// struct timeval time;
// gettimeofday (&time, NULL);
/* Seconds * 10^7 = 100ns(10^-7), Microseconds(10^-6) * 10^1 = 100ns */
// return (((UINT64) time.tv_sec * 10000000) + ((UINT64) time.tv_usec * 10));
return 0;
}
/******************************************************************************
*
* FUNCTION: AcpiOsReadPciConfiguration
*
* PARAMETERS: PciId - Seg/Bus/Dev
* Register - Device Register
* Value - Buffer where value is placed
* Width - Number of bits
*
* RETURN: Status
*
* DESCRIPTION: Read data from PCI configuration space
*
*****************************************************************************/
ACPI_STATUS
AcpiOsReadPciConfiguration (
ACPI_PCI_ID *PciId,
UINT32 Register,
UINT64 *Value,
UINT32 Width)
{
UINT32 devfn = ((PciId->Device & 0x1f)<<3)|(PciId->Function & 0x07);
switch (Width)
{
case 8:
*(UINT8 *)Value = PciRead8(PciId->Bus,devfn,Register);
break;
case 16:
*(UINT16 *)Value = PciRead16(PciId->Bus,devfn,Register);
break;
case 32:
*(UINT32 *)Value = PciRead32(PciId->Bus,devfn,Register);
break;
default:
dbgprintf("AcpiOsReadPciConfiguration unhandled value width: %u\n",
Width);
return AE_ERROR;
}
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsWritePciConfiguration
*
* PARAMETERS: PciId - Seg/Bus/Dev
* Register - Device Register
* Value - Value to be written
* Width - Number of bits
*
* RETURN: Status.
*
* DESCRIPTION: Write data to PCI configuration space
*
*****************************************************************************/
ACPI_STATUS
AcpiOsWritePciConfiguration (
ACPI_PCI_ID *PciId,
UINT32 Register,
UINT64 Value,
UINT32 Width)
{
UINT32 devfn = ((PciId->Device & 0x1f)<<3)|(PciId->Function & 0x07);
switch (Width)
{
case 8:
PciWrite8(PciId->Bus,devfn,Register,Value);
break;
case 16:
PciWrite16(PciId->Bus,devfn,Register,Value);
break;
case 32:
PciWrite32(PciId->Bus,devfn,Register,Value);
break;
default:
dbgprintf("AcpiOsReadPciConfiguration unhandled value width: %u\n",
Width);
return AE_ERROR;
}
return (AE_OK);
}
/* TEMPORARY STUB FUNCTION */
void
AcpiOsDerivePciId(
ACPI_HANDLE Device,
ACPI_HANDLE Region,
ACPI_PCI_ID **PciId)
{
}
/******************************************************************************
*
* FUNCTION: AcpiOsReadPort
*
* PARAMETERS: Address - Address of I/O port/register to read
* Value - Where value is placed
* Width - Number of bits
*
* RETURN: Value read from port
*
* DESCRIPTION: Read data from an I/O port or register
*
*****************************************************************************/
ACPI_STATUS
AcpiOsReadPort (
ACPI_IO_ADDRESS Address,
UINT32 *Value,
UINT32 Width)
{
switch (Width)
{
case 8:
*Value = in8(Address);
break;
case 16:
*Value = in16(Address);
break;
case 32:
*Value = in32(Address);
break;
default:
return (AE_BAD_PARAMETER);
}
// dbgprintf("%s %x, %x\n",__FUNCTION__, Address, *Value);
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsWritePort
*
* PARAMETERS: Address - Address of I/O port/register to write
* Value - Value to write
* Width - Number of bits
*
* RETURN: None
*
* DESCRIPTION: Write data to an I/O port or register
*
*****************************************************************************/
ACPI_STATUS
AcpiOsWritePort (
ACPI_IO_ADDRESS Address,
UINT32 Value,
UINT32 Width)
{
switch (Width) {
case 8:
out8(Address, Value);
break;
case 16:
out16(Address,Value);
break;
case 32:
out32(Address,Value);
break;
default:
return (AE_ERROR);
}
// dbgprintf("%s %x, %x\n",__FUNCTION__, Address, Value);
return (AE_OK);
};
/******************************************************************************
*
* FUNCTION: AcpiOsReadMemory
*
* PARAMETERS: Address - Physical Memory Address to read
* Value - Where value is placed
* Width - Number of bits
*
* RETURN: Value read from physical memory address
*
* DESCRIPTION: Read data from a physical memory address
*
*****************************************************************************/
ACPI_STATUS
AcpiOsReadMemory (
ACPI_PHYSICAL_ADDRESS Address,
UINT32 *Value,
UINT32 Width)
{
void *memptr;
ACPI_STATUS status = AE_ERROR;
// dbgprintf("%s %x\n",__FUNCTION__, Address);
if( (UINT64)Address+Width > 0x100000000ULL)
return (AE_BAD_PARAMETER);
if( Address >= 0x400000)
{
memptr = AcpiOsMapMemory(Address, Width);
if(memptr)
{
status = AE_OK;
switch (Width)
{
case 8:
*Value = *(UINT8*)Address;
break;
case 16:
*Value = *(UINT16*)Address;
break;
case 32:
*Value = *(UINT32*)Address;
break;
default:
status = (AE_BAD_PARAMETER);
}
FreeKernelSpace(memptr);
}
return status;
}
else
Address+= 0x80000000;
switch (Width)
{
case 8:
*Value = *(UINT8*)Address;
break;
case 16:
*Value = *(UINT16*)Address;
break;
case 32:
*Value = *(UINT32*)Address;
break;
default:
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsWriteMemory
*
* PARAMETERS: Address - Physical Memory Address to write
* Value - Value to write
* Width - Number of bits
*
* RETURN: None
*
* DESCRIPTION: Write data to a physical memory address
*
*****************************************************************************/
ACPI_STATUS
AcpiOsWriteMemory (
ACPI_PHYSICAL_ADDRESS Address,
UINT32 Value,
UINT32 Width)
{
void *memptr;
ACPI_STATUS status = AE_ERROR;
// dbgprintf("%s %x, %x\n",__FUNCTION__, Address, Value);
if( (UINT64)Address+Width > 0x100000000ULL)
return (AE_BAD_PARAMETER);
if( Address >= 0x400000)
{
memptr = AcpiOsMapMemory(Address, Width);
if(memptr)
{
status = AE_OK;
switch (Width)
{
case 8:
*(UINT8*)Address = (UINT8)Value;
break;
case 16:
*(UINT16*)Address = (UINT16)Value;
break;
case 32:
*(UINT32*)Address = Value;
break;
default:
status = (AE_BAD_PARAMETER);
}
FreeKernelSpace(memptr);
}
return status;
}
else
Address+= 0x80000000;
switch (Width)
{
case 8:
*(UINT8*)Address = (UINT8)Value;
break;
case 16:
*(UINT16*)Address = (UINT16)Value;
break;
case 32:
*(UINT32*)Address = Value;
break;
default:
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsReadable
*
* PARAMETERS: Pointer - Area to be verified
* Length - Size of area
*
* RETURN: TRUE if readable for entire length
*
* DESCRIPTION: Verify that a pointer is valid for reading
*
*****************************************************************************/
BOOLEAN
AcpiOsReadable (
void *Pointer,
ACPI_SIZE Length)
{
return (TRUE);
}
/******************************************************************************
*
* FUNCTION: AcpiOsWritable
*
* PARAMETERS: Pointer - Area to be verified
* Length - Size of area
*
* RETURN: TRUE if writable for entire length
*
* DESCRIPTION: Verify that a pointer is valid for writing
*
*****************************************************************************/
BOOLEAN
AcpiOsWritable (
void *Pointer,
ACPI_SIZE Length)
{
return (TRUE);
}
/******************************************************************************
*
* FUNCTION: AcpiOsGetThreadId
*
* PARAMETERS: None
*
* RETURN: Id of the running thread
*
* DESCRIPTION: Get the Id of the current (running) thread
*
* NOTE: The environment header should contain this line:
* #define ACPI_THREAD_ID pthread_t
*
*****************************************************************************/
ACPI_THREAD_ID
AcpiOsGetThreadId (void)
{
return ( 1 );
}
/******************************************************************************
*
* FUNCTION: AcpiOsSignal
*
* PARAMETERS: Function - ACPI CA signal function code
* Info - Pointer to function-dependent structure
*
* RETURN: Status
*
* DESCRIPTION: Miscellaneous functions. Example implementation only.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsSignal (
UINT32 Function,
void *Info)
{
switch (Function)
{
case ACPI_SIGNAL_FATAL:
break;
case ACPI_SIGNAL_BREAKPOINT:
break;
default:
break;
}
return (AE_OK);
}
View Git Blame Copy Permalink