diff options
author | jkim <jkim@FreeBSD.org> | 2017-03-30 20:18:34 +0000 |
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committer | jkim <jkim@FreeBSD.org> | 2017-03-30 20:18:34 +0000 |
commit | 16f86484f4de9cf680d56e983d44216d7e152958 (patch) | |
tree | 73bd4837afc7b87c56534ea3430d7b67150c3c09 /sys/contrib/dev/acpica/components/disassembler/dmopcode.c | |
parent | 0c8318dc914dfce6474c5c02ac37d5e0601cbc39 (diff) | |
download | FreeBSD-src-16f86484f4de9cf680d56e983d44216d7e152958.zip FreeBSD-src-16f86484f4de9cf680d56e983d44216d7e152958.tar.gz |
MFC: r306686, r308953, r311462, r311529, r312438, r314611
- Merge ACPICA 20170303.
- Remove '-vd' option to make iasl(8) reproducible.
Relnotes: yes
Diffstat (limited to 'sys/contrib/dev/acpica/components/disassembler/dmopcode.c')
-rw-r--r-- | sys/contrib/dev/acpica/components/disassembler/dmopcode.c | 724 |
1 files changed, 690 insertions, 34 deletions
diff --git a/sys/contrib/dev/acpica/components/disassembler/dmopcode.c b/sys/contrib/dev/acpica/components/disassembler/dmopcode.c index 2ca1c85..587c5c0 100644 --- a/sys/contrib/dev/acpica/components/disassembler/dmopcode.c +++ b/sys/contrib/dev/acpica/components/disassembler/dmopcode.c @@ -4,10 +4,118 @@ * ******************************************************************************/ -/* - * Copyright (C) 2000 - 2016, Intel Corp. +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2017, Intel Corp. * All rights reserved. * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + ***************************************************************************** + * + * Alternatively, you may choose to be licensed under the terms of the + * following license: + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -23,23 +131,23 @@ * 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 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 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. - */ + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * 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 DAMAGE. + * + * Alternatively, you may choose to be licensed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + *****************************************************************************/ #include <contrib/dev/acpica/include/acpi.h> #include <contrib/dev/acpica/include/accommon.h> @@ -48,6 +156,7 @@ #include <contrib/dev/acpica/include/acinterp.h> #include <contrib/dev/acpica/include/acnamesp.h> #include <contrib/dev/acpica/include/acdebug.h> +#include <contrib/dev/acpica/include/acconvert.h> #define _COMPONENT ACPI_CA_DEBUGGER @@ -64,6 +173,18 @@ static void AcpiDmConvertToElseIf ( ACPI_PARSE_OBJECT *Op); +static void +AcpiDmPromoteSubtree ( + ACPI_PARSE_OBJECT *StartOp); + +static BOOLEAN +AcpiDmIsSwitchBlock ( + ACPI_PARSE_OBJECT *Op, + char *Temp); + +static BOOLEAN +AcpiDmIsCaseBlock ( + ACPI_PARSE_OBJECT *Op); /******************************************************************************* * @@ -430,6 +551,10 @@ AcpiDmFieldPredefinedDescription ( ACPI_CAST_PTR (char, Info->Description)); } + /* AML buffer (String) was allocated in AcpiGetTagPathname */ + + ACPI_FREE (IndexOp->Common.Value.String); + #endif return; } @@ -705,15 +830,15 @@ AcpiDmDisassembleOneOp ( { switch (Op->Common.AmlOpcode) { - case AML_LEQUAL_OP: + case AML_LOGICAL_EQUAL_OP: AcpiOsPrintf ("LNotEqual"); break; - case AML_LGREATER_OP: + case AML_LOGICAL_GREATER_OP: AcpiOsPrintf ("LLessEqual"); break; - case AML_LLESS_OP: + case AML_LOGICAL_LESS_OP: AcpiOsPrintf ("LGreaterEqual"); break; @@ -736,12 +861,12 @@ AcpiDmDisassembleOneOp ( switch (Op->Common.AmlOpcode) { - case AML_LNOT_OP: + case AML_LOGICAL_NOT_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)) + if ((Child->Common.AmlOpcode == AML_LOGICAL_EQUAL_OP) || + (Child->Common.AmlOpcode == AML_LOGICAL_GREATER_OP) || + (Child->Common.AmlOpcode == AML_LOGICAL_LESS_OP)) { Child->Common.DisasmOpcode = ACPI_DASM_LNOT_SUFFIX; Op->Common.DisasmOpcode = ACPI_DASM_LNOT_PREFIX; @@ -870,8 +995,12 @@ AcpiDmDisassembleOneOp ( case AML_INT_NAMEDFIELD_OP: Length = AcpiDmDumpName (Op->Named.Name); - AcpiOsPrintf (",%*.s %u", (unsigned) (5 - Length), " ", + + AcpiOsPrintf (","); + ASL_CV_PRINT_ONE_COMMENT (Op, AML_NAMECOMMENT, NULL, 0); + AcpiOsPrintf ("%*.s %u", (unsigned) (5 - Length), " ", (UINT32) Op->Common.Value.Integer); + AcpiDmCommaIfFieldMember (Op); Info->BitOffset += (UINT32) Op->Common.Value.Integer; @@ -912,6 +1041,7 @@ AcpiDmDisassembleOneOp ( AcpiOsPrintf (")"); AcpiDmCommaIfFieldMember (Op); + ASL_CV_PRINT_ONE_COMMENT (Op, AML_COMMENT_END_NODE, NULL, 0); break; case AML_INT_CONNECTION_OP: @@ -945,6 +1075,8 @@ AcpiDmDisassembleOneOp ( AcpiOsPrintf (")"); AcpiDmCommaIfFieldMember (Op); + ASL_CV_PRINT_ONE_COMMENT (Op, AML_COMMENT_END_NODE, NULL, 0); + ASL_CV_PRINT_ONE_COMMENT (Op, AMLCOMMENT_INLINE, NULL, 0); AcpiOsPrintf ("\n"); Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; /* for now, ignore in AcpiDmAscendingOp */ @@ -964,6 +1096,28 @@ AcpiDmDisassembleOneOp ( AcpiDmNamestring (Op->Common.Value.Name); break; + case AML_WHILE_OP: + + if (Op->Common.DisasmOpcode == ACPI_DASM_SWITCH) + { + AcpiOsPrintf ("%s", "Switch"); + break; + } + + AcpiOsPrintf ("%s", OpInfo->Name); + break; + + case AML_IF_OP: + + if (Op->Common.DisasmOpcode == ACPI_DASM_CASE) + { + AcpiOsPrintf ("%s", "Case"); + break; + } + + AcpiOsPrintf ("%s", OpInfo->Name); + break; + case AML_ELSE_OP: AcpiDmConvertToElseIf (Op); @@ -973,15 +1127,13 @@ AcpiDmDisassembleOneOp ( if (AcpiGbl_DmEmitExternalOpcodes) { - AcpiOsPrintf ("/* Opcode 0x15 */ "); - - /* Fallthrough */ - } - else - { + AcpiDmEmitExternal (AcpiPsGetArg(Op, 0), + AcpiPsGetArg(Op, 1)); break; } + break; + default: /* Just get the opcode name and print it */ @@ -1067,19 +1219,64 @@ AcpiDmConvertToElseIf ( * be the only blocks under the original Else. */ IfOp = OriginalElseOp->Common.Value.Arg; + if (!IfOp || (IfOp->Common.AmlOpcode != AML_IF_OP) || (IfOp->Asl.Next && (IfOp->Asl.Next->Common.AmlOpcode != AML_ELSE_OP))) { - /* Not an Else..If sequence, cannot convert to ElseIf */ + /* Not a proper Else..If sequence, cannot convert to ElseIf */ + + if (OriginalElseOp->Common.DisasmOpcode == ACPI_DASM_DEFAULT) + { + AcpiOsPrintf ("%s", "Default"); + return; + } AcpiOsPrintf ("%s", "Else"); return; } - /* Emit ElseIf, mark the IF as now an ELSEIF */ + /* Cannot have anything following the If...Else block */ + + ElseOp = IfOp->Common.Next; + if (ElseOp && ElseOp->Common.Next) + { + if (OriginalElseOp->Common.DisasmOpcode == ACPI_DASM_DEFAULT) + { + AcpiOsPrintf ("%s", "Default"); + return; + } + + AcpiOsPrintf ("%s", "Else"); + return; + } + + if (OriginalElseOp->Common.DisasmOpcode == ACPI_DASM_DEFAULT) + { + /* + * There is an ElseIf but in this case the Else is actually + * a Default block for a Switch/Case statement. No conversion. + */ + AcpiOsPrintf ("%s", "Default"); + return; + } + + if (OriginalElseOp->Common.DisasmOpcode == ACPI_DASM_CASE) + { + /* + * This ElseIf is actually a Case block for a Switch/Case + * statement. Print Case but do not return so that we can + * promote the subtree and keep the indentation level. + */ + AcpiOsPrintf ("%s", "Case"); + } + else + { + /* Emit ElseIf, mark the IF as now an ELSEIF */ + + AcpiOsPrintf ("%s", "ElseIf"); + } - AcpiOsPrintf ("%s", "ElseIf"); IfOp->Common.DisasmFlags |= ACPI_PARSEOP_ELSEIF; /* The IF parent will now be the same as the original ELSE parent */ @@ -1100,7 +1297,10 @@ AcpiDmConvertToElseIf ( /* If an ELSE matches the IF, promote it also */ ElseOp->Common.Parent = OriginalElseOp->Common.Parent; - ElseOp->Common.Next = OriginalElseOp->Common.Next; + + /* Promote the entire block under the ElseIf (All Next OPs) */ + + AcpiDmPromoteSubtree (OriginalElseOp); } else { @@ -1122,3 +1322,459 @@ AcpiDmConvertToElseIf ( OriginalElseOp->Common.Next = IfOp; } + + +/******************************************************************************* + * + * FUNCTION: AcpiDmPromoteSubtree + * + * PARAMETERS: StartOpOp - Original parent of the entire subtree + * + * RETURN: None + * + * DESCRIPTION: Promote an entire parse subtree up one level. + * + ******************************************************************************/ + +static void +AcpiDmPromoteSubtree ( + ACPI_PARSE_OBJECT *StartOp) +{ + ACPI_PARSE_OBJECT *Op; + ACPI_PARSE_OBJECT *ParentOp; + + + /* New parent for subtree elements */ + + ParentOp = StartOp->Common.Parent; + + /* First child starts the subtree */ + + Op = StartOp->Common.Value.Arg; + + /* Walk the top-level elements of the subtree */ + + while (Op) + { + Op->Common.Parent = ParentOp; + if (!Op->Common.Next) + { + /* Last Op in list, update its next field */ + + Op->Common.Next = StartOp->Common.Next; + break; + } + Op = Op->Common.Next; + } +} + +/******************************************************************************* + * + * FUNCTION: AcpiDmIsTempName + * + * PARAMETERS: Op - Object to be examined + * + * RETURN: TRUE if object is a temporary (_T_x) name for a matching While + * loop that can be converted to a Switch. + * + * DESCRIPTION: _T_X objects are only used for Switch statements. If a temporary + * name exists, search the siblings for a matching While (One) loop + * that can be converted to a Switch. Return TRUE if a match was + * found, FALSE otherwise. + * + ******************************************************************************/ + +BOOLEAN +AcpiDmIsTempName ( + ACPI_PARSE_OBJECT *Op) +{ + ACPI_PARSE_OBJECT *CurrentOp; + char *Temp; + + if (Op->Common.AmlOpcode != AML_NAME_OP) + { + return (FALSE); + } + + Temp = (char *)(Op->Common.Aml); + ++Temp; + + if (strncmp(Temp, "_T_", 3)) + { + return (FALSE); + } + + CurrentOp = Op->Common.Next; + while (CurrentOp) + { + if (CurrentOp->Common.AmlOpcode == AML_WHILE_OP && + AcpiDmIsSwitchBlock(CurrentOp, Temp)) + { + Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; + CurrentOp->Common.DisasmOpcode = ACPI_DASM_SWITCH; + + return (TRUE); + } + CurrentOp = CurrentOp->Common.Next; + } + + return (FALSE); +} + +/******************************************************************************* + * + * FUNCTION: AcpiDmIsSwitchBlock + * + * PARAMETERS: Op - While Object + * + * RETURN: TRUE if While block can be converted to a Switch/Case block + * + * DESCRIPTION: Determines if While block is a Switch/Case statement. Modifies + * parse tree to allow for Switch/Case disassembly during walk. + * + * EXAMPLE: Example of parse tree to be converted + * + * While + * One + * Store + * ByteConst + * -NamePath- + * If + * LEqual + * -NamePath- + * Zero + * Return + * One + * Else + * Return + * WordConst + * Break + * + ******************************************************************************/ + +static BOOLEAN +AcpiDmIsSwitchBlock ( + ACPI_PARSE_OBJECT *Op, + char *Temp) +{ + ACPI_PARSE_OBJECT *OneOp; + ACPI_PARSE_OBJECT *StoreOp; + ACPI_PARSE_OBJECT *NamePathOp; + ACPI_PARSE_OBJECT *PredicateOp; + ACPI_PARSE_OBJECT *CurrentOp; + ACPI_PARSE_OBJECT *TempOp; + + /* Check for One Op Predicate */ + + OneOp = AcpiPsGetArg (Op, 0); + if (!OneOp || (OneOp->Common.AmlOpcode != AML_ONE_OP)) + { + return (FALSE); + } + + /* Check for Store Op */ + + StoreOp = OneOp->Common.Next; + if (!StoreOp || (StoreOp->Common.AmlOpcode != AML_STORE_OP)) + { + return (FALSE); + } + + /* Check for Name Op with _T_ string */ + + NamePathOp = AcpiPsGetArg (StoreOp, 1); + if (!NamePathOp || (NamePathOp->Common.AmlOpcode != AML_INT_NAMEPATH_OP)) + { + return (FALSE); + } + + if (strncmp((char *)(NamePathOp->Common.Aml), Temp, 4)) + { + return (FALSE); + } + + /* This is a Switch/Case control block */ + + /* Ignore the One Op Predicate */ + + OneOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; + + /* Ignore the Store Op, but not the children */ + + StoreOp->Common.DisasmOpcode = ACPI_DASM_IGNORE_SINGLE; + + /* + * First arg of Store Op is the Switch condition. + * Mark it as a Switch predicate and as a parameter list for paren + * closing and correct indentation. + */ + PredicateOp = AcpiPsGetArg (StoreOp, 0); + PredicateOp->Common.DisasmOpcode = ACPI_DASM_SWITCH_PREDICATE; + PredicateOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST; + + /* Ignore the Name Op */ + + NamePathOp->Common.DisasmFlags = ACPI_PARSEOP_IGNORE; + + /* Remaining opcodes are the Case statements (If/ElseIf's) */ + + CurrentOp = StoreOp->Common.Next; + while (AcpiDmIsCaseBlock (CurrentOp)) + { + /* Block is a Case structure */ + + if (CurrentOp->Common.AmlOpcode == AML_ELSE_OP) + { + /* ElseIf */ + + CurrentOp->Common.DisasmOpcode = ACPI_DASM_CASE; + CurrentOp = AcpiPsGetArg (CurrentOp, 0); + } + + /* If */ + + CurrentOp->Common.DisasmOpcode = ACPI_DASM_CASE; + + /* + * Mark the parse tree for Case disassembly. There are two + * types of Case statements. The first type of statement begins with + * an LEqual. The second starts with an LNot and uses a Match statement + * on a Package of constants. + */ + TempOp = AcpiPsGetArg (CurrentOp, 0); + switch (TempOp->Common.AmlOpcode) + { + case (AML_LOGICAL_EQUAL_OP): + + /* Ignore just the LEqual Op */ + + TempOp->Common.DisasmOpcode = ACPI_DASM_IGNORE_SINGLE; + + /* Ignore the NamePath Op */ + + TempOp = AcpiPsGetArg (TempOp, 0); + TempOp->Common.DisasmFlags = ACPI_PARSEOP_IGNORE; + + /* + * Second arg of LEqual will be the Case predicate. + * Mark it as a predicate and also as a parameter list for paren + * closing and correct indentation. + */ + PredicateOp = TempOp->Common.Next; + PredicateOp->Common.DisasmOpcode = ACPI_DASM_SWITCH_PREDICATE; + PredicateOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST; + + break; + + case (AML_LOGICAL_NOT_OP): + + /* + * The Package will be the predicate of the Case statement. + * It's under: + * LNOT + * LEQUAL + * MATCH + * PACKAGE + */ + + /* Get the LEqual Op from LNot */ + + TempOp = AcpiPsGetArg (TempOp, 0); + + /* Get the Match Op from LEqual */ + + TempOp = AcpiPsGetArg (TempOp, 0); + + /* Get the Package Op from Match */ + + PredicateOp = AcpiPsGetArg (TempOp, 0); + + /* Mark as parameter list for paren closing */ + + PredicateOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST; + + /* + * The Package list would be too deeply indented if we + * chose to simply ignore the all the parent opcodes, so + * we rearrange the parse tree instead. + */ + + /* + * Save the second arg of the If/Else Op which is the + * block code of code for this Case statement. + */ + TempOp = AcpiPsGetArg (CurrentOp, 1); + + /* + * Move the Package Op to the child (predicate) of the + * Case statement. + */ + CurrentOp->Common.Value.Arg = PredicateOp; + PredicateOp->Common.Parent = CurrentOp; + + /* Add the block code */ + + PredicateOp->Common.Next = TempOp; + + break; + + default: + + /* Should never get here */ + + break; + } + + /* Advance to next Case block */ + + CurrentOp = CurrentOp->Common.Next; + } + + /* If CurrentOp is now an Else, then this is a Default block */ + + if (CurrentOp && CurrentOp->Common.AmlOpcode == AML_ELSE_OP) + { + CurrentOp->Common.DisasmOpcode = ACPI_DASM_DEFAULT; + } + + /* + * From the first If advance to the Break op. It's possible to + * have an Else (Default) op here when there is only one Case + * statement, so check for it. + */ + CurrentOp = StoreOp->Common.Next->Common.Next; + if (CurrentOp->Common.AmlOpcode == AML_ELSE_OP) + { + CurrentOp = CurrentOp->Common.Next; + } + + /* Ignore the Break Op */ + + CurrentOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; + + return (TRUE); +} + +/******************************************************************************* + * + * FUNCTION: AcpiDmIsCaseBlock + * + * PARAMETERS: Op - Object to test + * + * RETURN: TRUE if Object is beginning of a Case block. + * + * DESCRIPTION: Determines if an Object is the beginning of a Case block for a + * Switch/Case statement. Parse tree must be one of the following + * forms: + * + * Else (Optional) + * If + * LEqual + * -NamePath- _T_x + * + * Else (Optional) + * If + * LNot + * LEqual + * Match + * Package + * ByteConst + * -NamePath- _T_x + * + ******************************************************************************/ + +static BOOLEAN +AcpiDmIsCaseBlock ( + ACPI_PARSE_OBJECT *Op) +{ + ACPI_PARSE_OBJECT *CurrentOp; + + if (!Op) + { + return (FALSE); + } + + /* Look for an If or ElseIf */ + + CurrentOp = Op; + if (CurrentOp->Common.AmlOpcode == AML_ELSE_OP) + { + CurrentOp = AcpiPsGetArg (CurrentOp, 0); + if (!CurrentOp) + { + return (FALSE); + } + } + + if (!CurrentOp || CurrentOp->Common.AmlOpcode != AML_IF_OP) + { + return (FALSE); + } + + /* Child must be LEqual or LNot */ + + CurrentOp = AcpiPsGetArg (CurrentOp, 0); + if (!CurrentOp) + { + return (FALSE); + } + + switch (CurrentOp->Common.AmlOpcode) + { + case (AML_LOGICAL_EQUAL_OP): + + /* Next child must be NamePath with string _T_ */ + + CurrentOp = AcpiPsGetArg (CurrentOp, 0); + if (!CurrentOp || !CurrentOp->Common.Value.Name || + strncmp(CurrentOp->Common.Value.Name, "_T_", 3)) + { + return (FALSE); + } + + break; + + case (AML_LOGICAL_NOT_OP): + + /* Child of LNot must be LEqual op */ + + CurrentOp = AcpiPsGetArg (CurrentOp, 0); + if (!CurrentOp || (CurrentOp->Common.AmlOpcode != AML_LOGICAL_EQUAL_OP)) + { + return (FALSE); + } + + /* Child of LNot must be Match op */ + + CurrentOp = AcpiPsGetArg (CurrentOp, 0); + if (!CurrentOp || (CurrentOp->Common.AmlOpcode != AML_MATCH_OP)) + { + return (FALSE); + } + + /* First child of Match must be Package op */ + + CurrentOp = AcpiPsGetArg (CurrentOp, 0); + if (!CurrentOp || (CurrentOp->Common.AmlOpcode != AML_PACKAGE_OP)) + { + return (FALSE); + } + + /* Third child of Match must be NamePath with string _T_ */ + + CurrentOp = AcpiPsGetArg (CurrentOp->Common.Parent, 2); + if (!CurrentOp || !CurrentOp->Common.Value.Name || + strncmp(CurrentOp->Common.Value.Name, "_T_", 3)) + { + return (FALSE); + } + + break; + + default: + + return (FALSE); + } + + return (TRUE); +} |