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opnsense-src/sys/contrib/dev/acpica/disassembler/dmopcode.c
Jung-uk Kim d244b2279c Merge ACPICA 20110112. Switch to BSD/GPLv2 dual license[1]. 
Discussed with:	core [1]
2011-01-13 17:32:32 +00:00

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/*******************************************************************************
*
* Module Name: dmopcode - AML disassembler, specific AML opcodes
*
******************************************************************************/
/*
* Copyright (C) 2000 - 2011, 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.
*/
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/acparser.h>
#include <contrib/dev/acpica/include/amlcode.h>
#include <contrib/dev/acpica/include/acdisasm.h>
#ifdef ACPI_DISASSEMBLER
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME ("dmopcode")
/* Local prototypes */
static void
AcpiDmMatchKeyword (
ACPI_PARSE_OBJECT *Op);
/*******************************************************************************
*
* FUNCTION: AcpiDmMethodFlags
*
* PARAMETERS: Op - Method Object to be examined
*
* RETURN: None
*
* DESCRIPTION: Decode control method flags
*
******************************************************************************/
void
AcpiDmMethodFlags (
ACPI_PARSE_OBJECT *Op)
{
UINT32 Flags;
UINT32 Args;
/* The next Op contains the flags */
Op = AcpiPsGetDepthNext (NULL, Op);
Flags = (UINT8) Op->Common.Value.Integer;
Args = Flags & 0x07;
/* Mark the Op as completed */
Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
/* 1) Method argument count */
AcpiOsPrintf (", %u, ", Args);
/* 2) Serialize rule */
if (!(Flags & 0x08))
{
AcpiOsPrintf ("Not");
}
AcpiOsPrintf ("Serialized");
/* 3) SyncLevel */
if (Flags & 0xF0)
{
AcpiOsPrintf (", %u", Flags >> 4);
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDmFieldFlags
*
* PARAMETERS: Op - Field Object to be examined
*
* RETURN: None
*
* DESCRIPTION: Decode Field definition flags
*
******************************************************************************/
void
AcpiDmFieldFlags (
ACPI_PARSE_OBJECT *Op)
{
UINT32 Flags;
Op = Op->Common.Next;
Flags = (UINT8) Op->Common.Value.Integer;
/* Mark the Op as completed */
Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
AcpiOsPrintf ("%s, ", AcpiGbl_AccessTypes [Flags & 0x07]);
AcpiOsPrintf ("%s, ", AcpiGbl_LockRule [(Flags & 0x10) >> 4]);
AcpiOsPrintf ("%s)", AcpiGbl_UpdateRules [(Flags & 0x60) >> 5]);
}
/*******************************************************************************
*
* FUNCTION: AcpiDmAddressSpace
*
* PARAMETERS: SpaceId - ID to be translated
*
* RETURN: None
*
* DESCRIPTION: Decode a SpaceId to an AddressSpaceKeyword
*
******************************************************************************/
void
AcpiDmAddressSpace (
UINT8 SpaceId)
{
if (SpaceId >= ACPI_NUM_PREDEFINED_REGIONS)
{
if (SpaceId == 0x7F)
{
AcpiOsPrintf ("FFixedHW, ");
}
else
{
AcpiOsPrintf ("0x%.2X, ", SpaceId);
}
}
else
{
AcpiOsPrintf ("%s, ", AcpiGbl_RegionTypes [SpaceId]);
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDmRegionFlags
*
* PARAMETERS: Op - Object to be examined
*
* RETURN: None
*
* DESCRIPTION: Decode OperationRegion flags
*
******************************************************************************/
void
AcpiDmRegionFlags (
ACPI_PARSE_OBJECT *Op)
{
/* The next Op contains the SpaceId */
Op = AcpiPsGetDepthNext (NULL, Op);
/* Mark the Op as completed */
Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
AcpiOsPrintf (", ");
AcpiDmAddressSpace ((UINT8) Op->Common.Value.Integer);
}
/*******************************************************************************
*
* FUNCTION: AcpiDmMatchOp
*
* PARAMETERS: Op - Match Object to be examined
*
* RETURN: None
*
* DESCRIPTION: Decode Match opcode operands
*
******************************************************************************/
void
AcpiDmMatchOp (
ACPI_PARSE_OBJECT *Op)
{
ACPI_PARSE_OBJECT *NextOp;
NextOp = AcpiPsGetDepthNext (NULL, Op);
NextOp = NextOp->Common.Next;
if (!NextOp)
{
/* Handle partial tree during single-step */
return;
}
/* Mark the two nodes that contain the encoding for the match keywords */
NextOp->Common.DisasmOpcode = ACPI_DASM_MATCHOP;
NextOp = NextOp->Common.Next;
NextOp = NextOp->Common.Next;
NextOp->Common.DisasmOpcode = ACPI_DASM_MATCHOP;
}
/*******************************************************************************
*
* FUNCTION: AcpiDmMatchKeyword
*
* PARAMETERS: Op - Match Object to be examined
*
* RETURN: None
*
* DESCRIPTION: Decode Match opcode operands
*
******************************************************************************/
static void
AcpiDmMatchKeyword (
ACPI_PARSE_OBJECT *Op)
{
if (((UINT32) Op->Common.Value.Integer) > ACPI_MAX_MATCH_OPCODE)
{
AcpiOsPrintf ("/* Unknown Match Keyword encoding */");
}
else
{
AcpiOsPrintf ("%s", ACPI_CAST_PTR (char,
AcpiGbl_MatchOps[(ACPI_SIZE) Op->Common.Value.Integer]));
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDmDisassembleOneOp
*
* PARAMETERS: WalkState - Current walk info
* Info - Parse tree walk info
* Op - Op that is to be printed
*
* RETURN: None
*
* DESCRIPTION: Disassemble a single AML opcode
*
******************************************************************************/
void
AcpiDmDisassembleOneOp (
ACPI_WALK_STATE *WalkState,
ACPI_OP_WALK_INFO *Info,
ACPI_PARSE_OBJECT *Op)
{
const ACPI_OPCODE_INFO *OpInfo = NULL;
UINT32 Offset;
UINT32 Length;
ACPI_PARSE_OBJECT *Child;
ACPI_STATUS Status;
if (!Op)
{
AcpiOsPrintf ("<NULL OP PTR>");
return;
}
switch (Op->Common.DisasmOpcode)
{
case ACPI_DASM_MATCHOP:
AcpiDmMatchKeyword (Op);
return;
case ACPI_DASM_LNOT_SUFFIX:
switch (Op->Common.AmlOpcode)
{
case AML_LEQUAL_OP:
AcpiOsPrintf ("LNotEqual");
break;
case AML_LGREATER_OP:
AcpiOsPrintf ("LLessEqual");
break;
case AML_LLESS_OP:
AcpiOsPrintf ("LGreaterEqual");
break;
default:
break;
}
Op->Common.DisasmOpcode = 0;
Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
return;
default:
break;
}
OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
/* The op and arguments */
switch (Op->Common.AmlOpcode)
{
case AML_LNOT_OP:
Child = Op->Common.Value.Arg;
if ((Child->Common.AmlOpcode == AML_LEQUAL_OP) ||
(Child->Common.AmlOpcode == AML_LGREATER_OP) ||
(Child->Common.AmlOpcode == AML_LLESS_OP))
{
Child->Common.DisasmOpcode = ACPI_DASM_LNOT_SUFFIX;
Op->Common.DisasmOpcode = ACPI_DASM_LNOT_PREFIX;
}
else
{
AcpiOsPrintf ("%s", OpInfo->Name);
}
break;
case AML_BYTE_OP:
AcpiOsPrintf ("0x%2.2X", (UINT32) Op->Common.Value.Integer);
break;
case AML_WORD_OP:
if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID)
{
AcpiDmEisaId ((UINT32) Op->Common.Value.Integer);
}
else
{
AcpiOsPrintf ("0x%4.4X", (UINT32) Op->Common.Value.Integer);
}
break;
case AML_DWORD_OP:
if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID)
{
AcpiDmEisaId ((UINT32) Op->Common.Value.Integer);
}
else
{
AcpiOsPrintf ("0x%8.8X", (UINT32) Op->Common.Value.Integer);
}
break;
case AML_QWORD_OP:
AcpiOsPrintf ("0x%8.8X%8.8X",
ACPI_FORMAT_UINT64 (Op->Common.Value.Integer));
break;
case AML_STRING_OP:
AcpiUtPrintString (Op->Common.Value.String, ACPI_UINT8_MAX);
break;
case AML_BUFFER_OP:
/*
* Determine the type of buffer. We can have one of the following:
*
* 1) ResourceTemplate containing Resource Descriptors.
* 2) Unicode String buffer
* 3) ASCII String buffer
* 4) Raw data buffer (if none of the above)
*
* Since there are no special AML opcodes to differentiate these
* types of buffers, we have to closely look at the data in the
* buffer to determine the type.
*/
Status = AcpiDmIsResourceTemplate (Op);
if (ACPI_SUCCESS (Status))
{
Op->Common.DisasmOpcode = ACPI_DASM_RESOURCE;
AcpiOsPrintf ("ResourceTemplate");
break;
}
else if (Status == AE_AML_NO_RESOURCE_END_TAG)
{
AcpiOsPrintf ("/**** Is ResourceTemplate, but EndTag not at buffer end ****/ ");
}
if (AcpiDmIsUnicodeBuffer (Op))
{
Op->Common.DisasmOpcode = ACPI_DASM_UNICODE;
AcpiOsPrintf ("Unicode (");
}
else if (AcpiDmIsStringBuffer (Op))
{
Op->Common.DisasmOpcode = ACPI_DASM_STRING;
AcpiOsPrintf ("Buffer");
}
else
{
Op->Common.DisasmOpcode = ACPI_DASM_BUFFER;
AcpiOsPrintf ("Buffer");
}
break;
case AML_INT_STATICSTRING_OP:
if (Op->Common.Value.String)
{
AcpiOsPrintf ("%s", Op->Common.Value.String);
}
else
{
AcpiOsPrintf ("\"<NULL STATIC STRING PTR>\"");
}
break;
case AML_INT_NAMEPATH_OP:
AcpiDmNamestring (Op->Common.Value.Name);
break;
case AML_INT_NAMEDFIELD_OP:
Length = AcpiDmDumpName (Op->Named.Name);
AcpiOsPrintf (",%*.s %u", (unsigned) (5 - Length), " ",
(UINT32) Op->Common.Value.Integer);
AcpiDmCommaIfFieldMember (Op);
Info->BitOffset += (UINT32) Op->Common.Value.Integer;
break;
case AML_INT_RESERVEDFIELD_OP:
/* Offset() -- Must account for previous offsets */
Offset = (UINT32) Op->Common.Value.Integer;
Info->BitOffset += Offset;
if (Info->BitOffset % 8 == 0)
{
AcpiOsPrintf (" Offset (0x%.2X)", ACPI_DIV_8 (Info->BitOffset));
}
else
{
AcpiOsPrintf (" , %u", Offset);
}
AcpiDmCommaIfFieldMember (Op);
break;
case AML_INT_ACCESSFIELD_OP:
AcpiOsPrintf (" AccessAs (%s, ",
AcpiGbl_AccessTypes [(UINT32) (Op->Common.Value.Integer >> 8) & 0x7]);
AcpiDmDecodeAttribute ((UINT8) Op->Common.Value.Integer);
AcpiOsPrintf (")");
AcpiDmCommaIfFieldMember (Op);
break;
case AML_INT_BYTELIST_OP:
AcpiDmByteList (Info, Op);
break;
case AML_INT_METHODCALL_OP:
Op = AcpiPsGetDepthNext (NULL, Op);
Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
AcpiDmNamestring (Op->Common.Value.Name);
break;
default:
/* Just get the opcode name and print it */
AcpiOsPrintf ("%s", OpInfo->Name);
#ifdef ACPI_DEBUGGER
if ((Op->Common.AmlOpcode == AML_INT_RETURN_VALUE_OP) &&
(WalkState) &&
(WalkState->Results) &&
(WalkState->ResultCount))
{
AcpiDmDecodeInternalObject (
WalkState->Results->Results.ObjDesc [
(WalkState->ResultCount - 1) %
ACPI_RESULTS_FRAME_OBJ_NUM]);
}
#endif
break;
}
}
#endif /* ACPI_DISASSEMBLER */
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