1 files changed, 137 insertions, 0 deletions
diff --git a/source/include/platform/aclinuxex.h b/source/include/platform/aclinuxex.h
new file mode 100644
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+++ b/source/include/platform/aclinuxex.h
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+/******************************************************************************
+ *
+ * Name: aclinuxex.h - Extra OS specific defines, etc. for Linux
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2014, Intel Corp.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * 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 MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
+ */
+
+#ifndef __ACLINUXEX_H__
+#define __ACLINUXEX_H__
+
+#ifdef __KERNEL__
+
+/*
+ * Overrides for in-kernel ACPICA
+ */
+ACPI_STATUS __init AcpiOsInitialize (
+    void);
+
+ACPI_STATUS AcpiOsTerminate (
+    void);
+
+/*
+ * The irqs_disabled() check is for resume from RAM.
+ * Interrupts are off during resume, just like they are for boot.
+ * However, boot has  (system_state != SYSTEM_RUNNING)
+ * to quiet __might_sleep() in kmalloc() and resume does not.
+ */
+static inline void *
+AcpiOsAllocate (
+    ACPI_SIZE               Size)
+{
+    return kmalloc (Size, irqs_disabled () ? GFP_ATOMIC : GFP_KERNEL);
+}
+
+static inline void *
+AcpiOsAllocateZeroed (
+    ACPI_SIZE               Size)
+{
+    return kzalloc (Size, irqs_disabled () ? GFP_ATOMIC : GFP_KERNEL);
+}
+
+static inline void
+AcpiOsFree (
+    void                   *Memory)
+{
+    kfree (Memory);
+}
+
+static inline void *
+AcpiOsAcquireObject (
+    ACPI_CACHE_T           *Cache)
+{
+    return kmem_cache_zalloc (Cache,
+        irqs_disabled () ? GFP_ATOMIC : GFP_KERNEL);
+}
+
+static inline ACPI_THREAD_ID
+AcpiOsGetThreadId (
+    void)
+{
+    return (ACPI_THREAD_ID) (unsigned long) current;
+}
+
+/*
+ * When lockdep is enabled, the spin_lock_init() macro stringifies it's
+ * argument and uses that as a name for the lock in debugging.
+ * By executing spin_lock_init() in a macro the key changes from "lock" for
+ * all locks to the name of the argument of acpi_os_create_lock(), which
+ * prevents lockdep from reporting false positives for ACPICA locks.
+ */
+#define AcpiOsCreateLock(__Handle) \
+    ({ \
+        spinlock_t *Lock = ACPI_ALLOCATE(sizeof(*Lock)); \
+        if (Lock) { \
+            *(__Handle) = Lock; \
+            spin_lock_init(*(__Handle)); \
+        } \
+        Lock ? AE_OK : AE_NO_MEMORY; \
+    })
+
+void __iomem *
+AcpiOsMapMemory (
+    ACPI_PHYSICAL_ADDRESS   Where,
+    ACPI_SIZE               Length);
+
+void
+AcpiOsUnmapMemory (
+    void __iomem            *LogicalAddress,
+    ACPI_SIZE               Size);
+
+/*
+ * OSL interfaces added by Linux
+ */
+void
+EarlyAcpiOsUnmapMemory (
+    void __iomem            *Virt,
+    ACPI_SIZE               Size);
+
+#endif /* __KERNEL__ */
+
+#endif /* __ACLINUXEX_H__ */