From beadd51f74f606105b558ec69bbbe2305066d0ea Mon Sep 17 00:00:00 2001
From: Najumon <najumon.ba@intel.com>
Date: Wed, 5 Apr 2023 15:59:00 +0200
Subject: [PATCH] ACPICA: add os specific support for Zephyr RTOS

ACPICA commit 463d30f0a8edc5dccad20c2d189dc55111d51aae

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.

Link: https://github.com/acpica/acpica/commit/463d30f0
Signed-off-by: Najumon <najumon.ba@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 include/acpi/platform/acenv.h    |  2 ++
 include/acpi/platform/aczephyr.h | 48 ++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 include/acpi/platform/aczephyr.h

diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h
index 0fa7bbf85c83..337ffa931ee8 100644
--- a/include/acpi/platform/acenv.h
+++ b/include/acpi/platform/acenv.h
@@ -209,6 +209,8 @@
 #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/include/acpi/platform/aczephyr.h b/include/acpi/platform/aczephyr.h
new file mode 100644
index 000000000000..2f0d30c3c5fd
--- /dev/null
+++ b/include/acpi/platform/aczephyr.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
+/******************************************************************************
+ *
+ * Module Name: aczephyr.h - OS specific defines, etc.
+ *
+ * Copyright (C) 2000 - 2023, Intel Corp.
+ *
+ *****************************************************************************/
+
+#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:    acpi_enable_dbg_print
+ *
+ * PARAMETERS:  Enable, 	            - Enable/Disable debug print
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Enable/disable debug print
+ *
+ *****************************************************************************/
+
+void acpi_enable_dbg_print(bool enable);
+#endif