Merge pull request #861 from najumon1980/acpica

add os specific support for Zephyr RTOS

3 files changed, 1338 insertions, 0 deletions

diff --git a/source/include/platform/acenv.h b/source/include/platform/acenv.h
index a08311ddc..1fc692db8 100644
--- a/source/include/platform/acenv.h
+++ b/source/include/platform/acenv.h
@@ -358,6 +358,8 @@
 #elif defined(_AED_EFI) || defined(_GNU_EFI) || defined(_EDK2_EFI)
 #include "acefi.h"
 
+#elif defined(__ZEPHYR__)
+#include "aczephyr.h"
 #else
 
 /* Unknown environment */
diff --git a/source/include/platform/aczephyr.h b/source/include/platform/aczephyr.h
new file mode 100644
index 000000000..00f089be3
--- /dev/null
+++ b/source/include/platform/aczephyr.h
@@ -0,0 +1,193 @@
+/******************************************************************************

+ *

+ * Module Name: aczephyr.h - OS specific defines, etc.

+ *

+ *****************************************************************************/

+

+/******************************************************************************

+ *

+ * 1. Copyright Notice

+ *

+ * Some or all of this work - Copyright (c) 1999 - 2023, 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.

+ *

+ *****************************************************************************

+ *

+ * Alternatively, you may choose to be licensed under the terms of the

+ * following license:

+ *

+ * 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.

+ *

+ * 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 MERCHANTABILITY AND FITNESS FOR

+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

+ * 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 DAMAGE.

+ *

+ * Alternatively, you may choose to be licensed under the terms of the

+ * GNU General Public License ("GPL") version 2 as published by the Free

+ * Software Foundation.

+ *

+ *****************************************************************************/

+

+#ifndef __ACZEPHYR_H__

+#define __ACZEPHYR_H__

+

+#define SEEK_SET FS_SEEK_SET

+#define SEEK_END FS_SEEK_END

+

+#define ACPI_MACHINE_WIDTH      64

+

+#define ACPI_NO_ERROR_MESSAGES

+#undef ACPI_DEBUG_OUTPUT

+#define ACPI_USE_SYSTEM_CLIBRARY

+#undef ACPI_DBG_TRACK_ALLOCATIONS

+#define ACPI_SINGLE_THREADED

+#define ACPI_USE_NATIVE_RSDP_POINTER

+

+#include <zephyr/kernel.h>

+#include <zephyr/device.h>

+#include <stdio.h>

+#include <stdlib.h>

+#include <string.h>

+#include <ctype.h>

+#include <zephyr/fs/fs.h>

+#include <zephyr/sys/printk.h>

+#include <zephyr/sys/__assert.h>

+

+

+/******************************************************************************

+ *

+ * FUNCTION:    AcpiEnableDbgPrint

+ *

+ * PARAMETERS:  Enable, 	            - Enable/Disable debug print

+ *

+ * RETURN:      None

+ *

+ * DESCRIPTION: Enable/disable debug print

+ *

+ *****************************************************************************/

+

+void AcpiEnableDbgPrint (

+	bool Enable);

+#endif

+

diff --git a/source/os_specific/service_layers/oszephyr.c b/source/os_specific/service_layers/oszephyr.c
new file mode 100644
index 000000000..12ef856bd
--- /dev/null
+++ b/source/os_specific/service_layers/oszephyr.c
@@ -0,0 +1,1143 @@
+/******************************************************************************
+ *
+ * Module Name: oszephyr - Zephyr OSL
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2023, 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.
+ *
+ *****************************************************************************
+ *
+ * Alternatively, you may choose to be licensed under the terms of the
+ * following license:
+ *
+ * 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.
+ *
+ * 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 MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * 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 DAMAGE.
+ *
+ * Alternatively, you may choose to be licensed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ *****************************************************************************/
+
+#include "acpi.h"
+#include "accommon.h"
+#include "acapps.h"
+#include "aslcompiler.h"
+#include <zephyr/arch/x86/efi.h>
+#include <zephyr/drivers/pcie/pcie.h>
+#include <zephyr/dt-bindings/interrupt-controller/intel-ioapic.h>
+#include <zephyr/sys/__assert.h>
+
+#include <zephyr/logging/log.h>
+LOG_MODULE_DECLARE(acpica, LOG_LEVEL_ERR);
+
+typedef void (*zephyr_irq_t)(const void *);
+
+#define ASL_MSG_BUFFER_SIZE (1024 * 128)
+
+/* Global varibles use from acpica lib. */
+BOOLEAN                     AslGbl_DoTemplates = FALSE;
+BOOLEAN                     AslGbl_VerboseTemplates = FALSE;
+
+char                        AslGbl_MsgBuffer[ASL_MSG_BUFFER_SIZE];
+static BOOLEAN              EnDbgPrint;
+
+
+/******************************************************************************
+ *
+ * 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:    AcpiEnableDbgPrint
+ *
+ * PARAMETERS:  en, 	            - Enable/Disable debug print
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Formatted output
+ *
+ *****************************************************************************/
+
+void
+AcpiEnableDbgPrint (
+    bool Enable)
+{
+	if (Enable)
+	{
+		EnDbgPrint = TRUE;
+	}
+	else
+	{
+		EnDbgPrint = FALSE;
+	}
+}
+
+
+/******************************************************************************
+ *
+ * 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);
+
+	if (EnDbgPrint)
+	{
+		printk(Fmt, args);
+	}
+
+	va_end(args);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsGetLine
+ *
+ * PARAMETERS:  Buffer              - Where to return the command line
+ *              BufferLength        - Maximum Length of Buffer
+ *              BytesRead           - Where the actual byte count is returned
+ *
+ * RETURN:      Status and actual bytes read
+ *
+ * DESCRIPTION: Formatted input with argument list pointer
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AcpiOsGetLine (
+    char                    *Buffer,
+    UINT32                  BufferLength,
+    UINT32                  *BytesRead)
+{
+	return -1;
+}
+
+
+/******************************************************************************
+ *
+ * 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)
+{
+	return k_malloc(Size);
+}
+
+
+#ifdef USE_NATIVE_ALLOCATE_ZEROED
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsAllocateZeroed
+ *
+ * PARAMETERS:  Size                - Amount to allocate, in bytes
+ *
+ * RETURN:      Pointer to the new allocation. Null on error.
+ *
+ * DESCRIPTION: Allocate and zero memory. Algorithm is dependent on the OS.
+ *
+ *****************************************************************************/
+
+void *
+AcpiOsAllocateZeroed (
+    ACPI_SIZE               Size)
+{
+	void *mem;
+
+	mem = AcpiOsAllocate(Size);
+
+	if (mem)
+	{
+		memset(mem, 0, Size);
+	}
+
+	return mem;
+}
+#endif
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsFree
+ *
+ * PARAMETERS:  Mem                 - Pointer to previously allocated memory
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Free memory allocated via AcpiOsAllocate
+ *
+ *****************************************************************************/
+
+void
+AcpiOsFree (
+    void                    *Mem)
+{
+	k_free(Mem);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsReadMemory
+ *
+ * PARAMETERS:  Address             - Physical Memory Address to read
+ *              Value               - Where Value is placed
+ *              Width               - Number of bits (8,16,32, or 64)
+ *
+ * RETURN:      Value read from physical memory Address. Always returned
+ *              as a 64-bit integer, regardless of the read Width.
+ *
+ * DESCRIPTION: Read data from a physical memory Address
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AcpiOsReadMemory (
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT64                  *Value,
+    UINT32                  Width)
+{
+	switch (Width)
+	{
+	case 8:
+
+		*((UINT8 *)Value) = sys_read8(Address);
+		break;
+
+	case 16:
+
+		*((UINT16 *)Value) = sys_read16(Address);
+		break;
+
+	case 32:
+
+		*((UINT32 *)Value) = sys_read32(Address);
+		break;
+
+	case 64:
+
+		*((UINT64 *)Value) = sys_read64(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 (8,16,32, or 64)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Write data to a physical memory Address
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AcpiOsWriteMemory (
+    ACPI_PHYSICAL_ADDRESS   Address,
+    UINT64                  Value,
+    UINT32                  Width)
+{
+	switch (Width)
+	{
+	case 8:
+
+		sys_write8((UINT8)Value, Address);
+		break;
+
+	case 16:
+
+		sys_write16((UINT16)Value, Address);
+		break;
+
+	case 32:
+
+		sys_write32((UINT32)Value, Address);
+		break;
+
+	case 64:
+
+		sys_write64((UINT64)Value, Address);
+		break;
+
+	default:
+
+		return (AE_BAD_PARAMETER);
+	}
+
+	return AE_OK;
+}
+
+
+/******************************************************************************
+ *
+ * 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:
+
+		*((UINT8 *)Value) = sys_in8(Address);
+		break;
+
+	case 16:
+
+		*((UINT16 *)Value) = sys_in16(Address);
+		break;
+
+	case 32:
+
+		*((UINT32 *)Value) = sys_in32(Address);
+		break;
+		
+	case 64:
+
+		*((UINT32 *)Value) = sys_in32(Address);
+		*((UINT32 *)Value + 4) = sys_in32(Address + 4);
+		break;
+
+	default:
+
+		return (AE_BAD_PARAMETER);
+	}
+
+	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:
+
+		sys_out8((UINT8)Value, Address);
+		break;
+
+	case 16:
+
+		sys_out16((UINT16)Value, Address);
+		break;
+
+	case 32:
+
+		sys_out32((UINT32)Value, Address);
+		break;
+
+	case 64:
+
+		sys_out32((UINT32)Value, Address);
+		sys_out32((UINT32)(Value + 4), (Address + 4));
+		break;
+
+	default:
+
+		return (AE_BAD_PARAMETER);
+
+	}
+
+	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           value32;
+	pcie_bdf_t       bdf = PCIE_BDF(PciId->Bus, PciId->Device, PciId->Function);
+
+	switch (Width)
+	{
+	case 8:
+
+		value32 = pcie_conf_read(bdf, Register);
+		value32 = (value32 & 0xffffff00) | (UINT8)Value;
+		pcie_conf_write(bdf, Register, value32);
+		break;
+
+	case 16:
+
+		value32 = pcie_conf_read(bdf, Register);
+		value32 = (value32 & 0xffff0000) | (UINT16)Value;
+		pcie_conf_write(bdf, Register, value32);
+		break;
+
+	case 32:
+
+		pcie_conf_write(bdf, Register, (UINT32)Value);
+		break;
+
+	case 64:
+
+		pcie_conf_write(bdf, Register, (UINT32)Value);
+		pcie_conf_write(bdf, (Register + 4), (UINT32)(Value >> 32));
+		break;
+
+	default:
+
+		return (AE_BAD_PARAMETER);
+	}
+
+	return AE_OK;
+}
+
+
+/******************************************************************************
+ *
+ * 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)
+{
+	pcie_bdf_t bdf = PCIE_BDF(PciId->Bus, PciId->Device, PciId->Function);
+
+	switch (Width)
+	{
+	case 8:
+
+		*((UINT8 *)Value) = (UINT8)pcie_conf_read(bdf, Register);
+		break;
+
+	case 16:
+
+		*((UINT16 *)Value) = (UINT16)pcie_conf_read(bdf, Register);
+		break;
+
+	case 32:
+
+		*((UINT32 *)Value) = (UINT32)pcie_conf_read(bdf, Register);
+		break;
+
+	case 64:
+
+		*((UINT32 *)Value) = (UINT32)pcie_conf_read(bdf, Register);
+		*((UINT32 *)Value + 1) = (UINT32)pcie_conf_read(bdf, (Register + 4));
+		break;
+
+	default:
+
+		return (AE_BAD_PARAMETER);
+	}
+
+	return AE_OK;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsRedirectOutput
+ *
+ * PARAMETERS:  Destination         - An open file handle/pointer
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf
+ *
+ *****************************************************************************/
+
+void
+AcpiOsRedirectOutput (
+    void                    *Destination)
+{
+
+}
+
+
+/******************************************************************************
+ *
+ * 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;
+
+	return AE_NO_ACPI_TABLES;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsGetRootPointer
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      RSDP physical Address
+ *
+ * DESCRIPTION: Gets the root pointer (RSDP)
+ *
+ *****************************************************************************/
+
+ACPI_PHYSICAL_ADDRESS
+AcpiOsGetRootPointer (
+    void)
+{
+	LOG_DBG("");
+	return (ACPI_PHYSICAL_ADDRESS)efi_get_acpi_rsdp();
+}
+
+
+#ifndef ACPI_USE_NATIVE_MEMORY_MAPPING
+/******************************************************************************
+ *
+ * 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)
+{
+	uint8_t                 *VirtlAdd;
+
+	LOG_DBG("");
+	z_phys_map(&VirtlAdd, Where, Length, 0);
+	return (void *)VirtlAdd;
+}
+#endif
+
+
+/******************************************************************************
+ *
+ * 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)
+{
+	LOG_DBG("");
+	z_phys_unmap(Where, Length);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsPhysicalTableOverride
+ *
+ * PARAMETERS:  ExistingTable       - Header of current table (probably firmware)
+ *              NewAddress          - Where new table Address is returned
+ *                                    (Physical Address)
+ *              NewTableLength      - Where new table Length is returned
+ *
+ * RETURN:      Status, Address/Length of new table. Null pointer returned
+ *              if no table is available to override.
+ *
+ * DESCRIPTION: Returns AE_SUPPORT, function not used in user space.
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AcpiOsPhysicalTableOverride (
+    ACPI_TABLE_HEADER       *ExistingTable,
+    ACPI_PHYSICAL_ADDRESS   *NewAddress,
+    UINT32                  *NewTableLength)
+{
+	LOG_DBG("");
+	return AE_SUPPORT;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsInitialize
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Init this OSL
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AcpiOsInitialize (
+    void)
+{
+	LOG_DBG("");
+	return AE_OK;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsStall
+ *
+ * PARAMETERS:  Microseconds        - Time to stall
+ *
+ * RETURN:      None. Blocks until stall is completed.
+ *
+ * DESCRIPTION: Sleep at microsecond granularity
+ *
+ *****************************************************************************/
+
+void
+AcpiOsStall (
+    UINT32                  Microseconds)
+{
+	k_busy_wait(Microseconds);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsSleep
+ *
+ * PARAMETERS:  Milliseconds        - Time to sleep
+ *
+ * RETURN:      None. Blocks until sleep is completed.
+ *
+ * DESCRIPTION: Sleep at millisecond granularity
+ *
+ *****************************************************************************/
+
+void
+AcpiOsSleep (
+    UINT64                  Milliseconds)
+{
+	k_msleep((UINT32)Milliseconds);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsEnterSleep
+ *
+ * PARAMETERS:  SleepState          - Which sleep state to enter
+ *              RegaValue           - Register A Value
+ *              RegbValue           - Register B Value
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: A hook before writing sleep registers to enter the sleep
+ *              state. Return AE_CTRL_SKIP to skip further sleep register
+ *              writes.
+ *
+ *****************************************************************************/
+
+ACPI_STATUS
+AcpiOsEnterSleep (
+    UINT8                   SleepState,
+    UINT32                  RegaValue,
+    UINT32                  RegbValue)
+{
+	__ASSERT(FALSE, "function Not implimented");
+	return AE_OK;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsGetTimer
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Current ticks in 100-nanosecond units
+ *
+ * DESCRIPTION: Get the Value of a system timer
+ *
+ ******************************************************************************/
+
+UINT64
+AcpiOsGetTimer (
+    void)
+{
+	return k_cycle_get_64();
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsInstallInterruptHandler
+ *
+ * PARAMETERS:  InterruptNumber     - Level handler should respond to.
+ *              ServiceRoutine      - Address of the ACPI interrupt handler
+ *              Context             - User context
+ *
+ * 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)
+{
+	LOG_DBG("");
+	irq_connect_dynamic(InterruptNumber, 3, (zephyr_irq_t)ServiceRoutine, Context,
+			    IRQ_TYPE_LOWEST_LEVEL_LOW);
+	irq_enable(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)
+{
+	LOG_DBG("");
+	irq_disable(InterruptNumber);
+	return AE_OK;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiOsSignal
+ *
+ * PARAMETERS:  Function            - ACPICA 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:
+		LOG_DBG("ACPI_SIGNAL_FATAL error");
+		break;
+
+	case ACPI_SIGNAL_BREAKPOINT:
+		LOG_DBG("ACPI_SIGNAL_BREAKPOINT");
+		break;
+
+	default:
+		break;
+	}
+
+	return AE_OK;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION:    Spinlock/Semaphore interfaces
+ *
+ * DESCRIPTION: Map these interfaces to semaphore interfaces
+ *
+ *****************************************************************************/
+
+#ifdef ACPI_SINGLE_THREADED
+ACPI_STATUS
+AcpiOsCreateLock (
+    ACPI_SPINLOCK           *OutHandle)
+{
+	LOG_DBG("");
+
+	return AE_OK;
+}
+
+void
+AcpiOsDeleteLock (
+    ACPI_SPINLOCK           Handle)
+{
+	LOG_DBG("");
+}
+
+ACPI_CPU_FLAGS
+AcpiOsAcquireLock (
+    ACPI_SPINLOCK           Handle)
+{
+	LOG_DBG("");
+	return 0;
+}
+
+void
+AcpiOsReleaseLock (
+    ACPI_SPINLOCK           Handle,
+    ACPI_CPU_FLAGS          Flags)
+{
+	LOG_DBG("");
+}
+
+ACPI_STATUS
+AcpiOsCreateSemaphore (
+    UINT32              MaxUnits,
+    UINT32              InitialUnits,
+    ACPI_HANDLE         *OutHandle)
+{
+	*OutHandle = (ACPI_HANDLE)1;
+	return AE_OK;
+}
+
+ACPI_STATUS
+AcpiOsDeleteSemaphore (
+    ACPI_HANDLE         Handle)
+{
+	return AE_OK;
+}
+
+ACPI_STATUS
+AcpiOsWaitSemaphore (
+    ACPI_HANDLE         Handle,
+    UINT32              Units,
+    UINT16              Timeout)
+{
+	return AE_OK;
+}
+
+ACPI_STATUS
+AcpiOsSignalSemaphore (
+    ACPI_HANDLE         Handle,
+    UINT32              Units)
+{
+	return AE_OK;
+}
+
+ACPI_THREAD_ID
+AcpiOsGetThreadId (
+    void)
+{
+	LOG_DBG("");
+	return 1;
+}
+
+ACPI_STATUS
+AcpiOsExecute (
+    ACPI_EXECUTE_TYPE       Type,
+    ACPI_OSD_EXEC_CALLBACK  Function,
+    void                    *Context)
+{
+	Function(Context);
+	return AE_OK;
+}
+#endif
+