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From:   "Rafael J. Wysocki" <rjw@rjwysocki.net>
To:     Linux ACPI <linux-acpi@vger.kernel.org>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        Bob Moore <robert.moore@intel.com>
Subject: [PATCH 31/32] ACPICA: add os specific support for Zephyr RTOS
Date:   Wed, 05 Apr 2023 15:59:00 +0200
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From: Najumon <najumon.ba@intel.com>

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
-- 
2.35.3