1 files changed, 416 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/utilities/utalloc.c b/sys/contrib/dev/acpica/components/utilities/utalloc.c
new file mode 100644
index 0000000..5e41bbd
--- /dev/null
+++ b/sys/contrib/dev/acpica/components/utilities/utalloc.c
@@ -0,0 +1,416 @@
+/******************************************************************************
+ *
+ * Module Name: utalloc - local memory allocation routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, 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.
+ */
+
+#define __UTALLOC_C__
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+#include <contrib/dev/acpica/include/acdebug.h>
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utalloc")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtCreateCaches
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create all local caches
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtCreateCaches (
+    void)
+{
+    ACPI_STATUS             Status;
+
+
+    /* Object Caches, for frequently used objects */
+
+    Status = AcpiOsCreateCache ("Acpi-Namespace", sizeof (ACPI_NAMESPACE_NODE),
+                ACPI_MAX_NAMESPACE_CACHE_DEPTH, &AcpiGbl_NamespaceCache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiOsCreateCache ("Acpi-State", sizeof (ACPI_GENERIC_STATE),
+                ACPI_MAX_STATE_CACHE_DEPTH, &AcpiGbl_StateCache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiOsCreateCache ("Acpi-Parse", sizeof (ACPI_PARSE_OBJ_COMMON),
+                ACPI_MAX_PARSE_CACHE_DEPTH, &AcpiGbl_PsNodeCache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiOsCreateCache ("Acpi-ParseExt", sizeof (ACPI_PARSE_OBJ_NAMED),
+                ACPI_MAX_EXTPARSE_CACHE_DEPTH, &AcpiGbl_PsNodeExtCache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiOsCreateCache ("Acpi-Operand", sizeof (ACPI_OPERAND_OBJECT),
+                ACPI_MAX_OBJECT_CACHE_DEPTH, &AcpiGbl_OperandCache);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+    /* Memory allocation lists */
+
+    Status = AcpiUtCreateList ("Acpi-Global", 0,
+                &AcpiGbl_GlobalList);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+
+    Status = AcpiUtCreateList ("Acpi-Namespace", sizeof (ACPI_NAMESPACE_NODE),
+                &AcpiGbl_NsNodeList);
+    if (ACPI_FAILURE (Status))
+    {
+        return (Status);
+    }
+#endif
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtDeleteCaches
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Purge and delete all local caches
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtDeleteCaches (
+    void)
+{
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+    char                    Buffer[7];
+
+    if (AcpiGbl_DisplayFinalMemStats)
+    {
+        ACPI_STRCPY (Buffer, "MEMORY");
+        (void) AcpiDbDisplayStatistics (Buffer);
+    }
+#endif
+
+    (void) AcpiOsDeleteCache (AcpiGbl_NamespaceCache);
+    AcpiGbl_NamespaceCache = NULL;
+
+    (void) AcpiOsDeleteCache (AcpiGbl_StateCache);
+    AcpiGbl_StateCache = NULL;
+
+    (void) AcpiOsDeleteCache (AcpiGbl_OperandCache);
+    AcpiGbl_OperandCache = NULL;
+
+    (void) AcpiOsDeleteCache (AcpiGbl_PsNodeCache);
+    AcpiGbl_PsNodeCache = NULL;
+
+    (void) AcpiOsDeleteCache (AcpiGbl_PsNodeExtCache);
+    AcpiGbl_PsNodeExtCache = NULL;
+
+
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+    /* Debug only - display leftover memory allocation, if any */
+
+    AcpiUtDumpAllocations (ACPI_UINT32_MAX, NULL);
+
+    /* Free memory lists */
+
+    AcpiOsFree (AcpiGbl_GlobalList);
+    AcpiGbl_GlobalList = NULL;
+
+    AcpiOsFree (AcpiGbl_NsNodeList);
+    AcpiGbl_NsNodeList = NULL;
+#endif
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtValidateBuffer
+ *
+ * PARAMETERS:  Buffer              - Buffer descriptor to be validated
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Perform parameter validation checks on an ACPI_BUFFER
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtValidateBuffer (
+    ACPI_BUFFER             *Buffer)
+{
+
+    /* Obviously, the structure pointer must be valid */
+
+    if (!Buffer)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /* Special semantics for the length */
+
+    if ((Buffer->Length == ACPI_NO_BUFFER)              ||
+        (Buffer->Length == ACPI_ALLOCATE_BUFFER)        ||
+        (Buffer->Length == ACPI_ALLOCATE_LOCAL_BUFFER))
+    {
+        return (AE_OK);
+    }
+
+    /* Length is valid, the buffer pointer must be also */
+
+    if (!Buffer->Pointer)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtInitializeBuffer
+ *
+ * PARAMETERS:  Buffer              - Buffer to be validated
+ *              RequiredLength      - Length needed
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Validate that the buffer is of the required length or
+ *              allocate a new buffer. Returned buffer is always zeroed.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtInitializeBuffer (
+    ACPI_BUFFER             *Buffer,
+    ACPI_SIZE               RequiredLength)
+{
+    ACPI_SIZE               InputBufferLength;
+
+
+    /* Parameter validation */
+
+    if (!Buffer || !RequiredLength)
+    {
+        return (AE_BAD_PARAMETER);
+    }
+
+    /*
+     * Buffer->Length is used as both an input and output parameter. Get the
+     * input actual length and set the output required buffer length.
+     */
+    InputBufferLength = Buffer->Length;
+    Buffer->Length = RequiredLength;
+
+    /*
+     * The input buffer length contains the actual buffer length, or the type
+     * of buffer to be allocated by this routine.
+     */
+    switch (InputBufferLength)
+    {
+    case ACPI_NO_BUFFER:
+
+        /* Return the exception (and the required buffer length) */
+
+        return (AE_BUFFER_OVERFLOW);
+
+    case ACPI_ALLOCATE_BUFFER:
+
+        /* Allocate a new buffer */
+
+        Buffer->Pointer = AcpiOsAllocate (RequiredLength);
+        break;
+
+    case ACPI_ALLOCATE_LOCAL_BUFFER:
+
+        /* Allocate a new buffer with local interface to allow tracking */
+
+        Buffer->Pointer = ACPI_ALLOCATE (RequiredLength);
+        break;
+
+    default:
+
+        /* Existing buffer: Validate the size of the buffer */
+
+        if (InputBufferLength < RequiredLength)
+        {
+            return (AE_BUFFER_OVERFLOW);
+        }
+        break;
+    }
+
+    /* Validate allocation from above or input buffer pointer */
+
+    if (!Buffer->Pointer)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    /* Have a valid buffer, clear it */
+
+    ACPI_MEMSET (Buffer->Pointer, 0, RequiredLength);
+    return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocate
+ *
+ * PARAMETERS:  Size                - Size of the allocation
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: Subsystem equivalent of malloc.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAllocate (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line)
+{
+    void                    *Allocation;
+
+
+    ACPI_FUNCTION_TRACE_U32 (UtAllocate, Size);
+
+
+    /* Check for an inadvertent size of zero bytes */
+
+    if (!Size)
+    {
+        ACPI_WARNING ((Module, Line,
+            "Attempt to allocate zero bytes, allocating 1 byte"));
+        Size = 1;
+    }
+
+    Allocation = AcpiOsAllocate (Size);
+    if (!Allocation)
+    {
+        /* Report allocation error */
+
+        ACPI_WARNING ((Module, Line,
+            "Could not allocate size %u", (UINT32) Size));
+
+        return_PTR (NULL);
+    }
+
+    return_PTR (Allocation);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtAllocateZeroed
+ *
+ * PARAMETERS:  Size                - Size of the allocation
+ *              Component           - Component type of caller
+ *              Module              - Source file name of caller
+ *              Line                - Line number of caller
+ *
+ * RETURN:      Address of the allocated memory on success, NULL on failure.
+ *
+ * DESCRIPTION: Subsystem equivalent of calloc. Allocate and zero memory.
+ *
+ ******************************************************************************/
+
+void *
+AcpiUtAllocateZeroed (
+    ACPI_SIZE               Size,
+    UINT32                  Component,
+    const char              *Module,
+    UINT32                  Line)
+{
+    void                    *Allocation;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    Allocation = AcpiUtAllocate (Size, Component, Module, Line);
+    if (Allocation)
+    {
+        /* Clear the memory block */
+
+        ACPI_MEMSET (Allocation, 0, Size);
+    }
+
+    return (Allocation);
+}
+