add os specific support for Zephyr RTOS

The acpica will be integrated as module into Zephyr project for
enable acpi bus driver. This patch is for enable os specific
support layer for Zephyr.

Signed-off-by: Najumon <najumon.ba@intel.com>

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
+