381 lines
11 KiB
C
381 lines
11 KiB
C
/******************************************************************************
|
|
*
|
|
* Module Name: aslprintf - ASL Printf/Fprintf macro support
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2015, 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 "aslcompiler.h"
|
|
#include "aslcompiler.y.h"
|
|
#include "amlcode.h"
|
|
|
|
#define _COMPONENT ACPI_COMPILER
|
|
ACPI_MODULE_NAME ("aslprintf")
|
|
|
|
|
|
/* Local prototypes */
|
|
|
|
static void
|
|
OpcCreateConcatenateNode (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ACPI_PARSE_OBJECT *Node);
|
|
|
|
static void
|
|
OpcParsePrintf (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ACPI_PARSE_OBJECT *DestOp);
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpcDoPrintf
|
|
*
|
|
* PARAMETERS: Op - printf parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Convert printf macro to a Store(..., Debug) AML operation.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
OpcDoPrintf (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *DestOp;
|
|
|
|
|
|
/* Store destination is the Debug op */
|
|
|
|
DestOp = TrAllocateNode (PARSEOP_DEBUG);
|
|
DestOp->Asl.AmlOpcode = AML_DEBUG_OP;
|
|
DestOp->Asl.Parent = Op;
|
|
DestOp->Asl.LogicalLineNumber = Op->Asl.LogicalLineNumber;
|
|
|
|
OpcParsePrintf (Op, DestOp);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpcDoFprintf
|
|
*
|
|
* PARAMETERS: Op - fprintf parse node
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Convert fprintf macro to a Store AML operation.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
OpcDoFprintf (
|
|
ACPI_PARSE_OBJECT *Op)
|
|
{
|
|
ACPI_PARSE_OBJECT *DestOp;
|
|
|
|
|
|
/* Store destination is the first argument of fprintf */
|
|
|
|
DestOp = Op->Asl.Child;
|
|
Op->Asl.Child = DestOp->Asl.Next;
|
|
DestOp->Asl.Next = NULL;
|
|
|
|
OpcParsePrintf (Op, DestOp);
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpcParsePrintf
|
|
*
|
|
* PARAMETERS: Op - Printf parse node
|
|
* DestOp - Destination of Store operation
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Convert printf macro to a Store AML operation. The printf
|
|
* macro parse tree is layed out as follows:
|
|
*
|
|
* Op - printf parse op
|
|
* Op->Child - Format string
|
|
* Op->Next - Format string arguments
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
OpcParsePrintf (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ACPI_PARSE_OBJECT *DestOp)
|
|
{
|
|
char *Format;
|
|
char *StartPosition = NULL;
|
|
ACPI_PARSE_OBJECT *ArgNode;
|
|
ACPI_PARSE_OBJECT *NextNode;
|
|
UINT32 StringLength = 0;
|
|
char *NewString;
|
|
BOOLEAN StringToProcess = FALSE;
|
|
ACPI_PARSE_OBJECT *NewOp;
|
|
|
|
|
|
/* Get format string */
|
|
|
|
Format = ACPI_CAST_PTR (char, Op->Asl.Child->Asl.Value.String);
|
|
ArgNode = Op->Asl.Child->Asl.Next;
|
|
|
|
/*
|
|
* Detach argument list so that we can use a NULL check to distinguish
|
|
* the first concatenation operation we need to make
|
|
*/
|
|
Op->Asl.Child = NULL;
|
|
|
|
for (; *Format; ++Format)
|
|
{
|
|
if (*Format != '%')
|
|
{
|
|
if (!StringToProcess)
|
|
{
|
|
/* Mark the beginning of a string */
|
|
|
|
StartPosition = Format;
|
|
StringToProcess = TRUE;
|
|
}
|
|
|
|
++StringLength;
|
|
continue;
|
|
}
|
|
|
|
/* Save string, if any, to new string object and concat it */
|
|
|
|
if (StringToProcess)
|
|
{
|
|
NewString = UtStringCacheCalloc (StringLength + 1);
|
|
ACPI_STRNCPY (NewString, StartPosition, StringLength);
|
|
|
|
NewOp = TrAllocateNode (PARSEOP_STRING_LITERAL);
|
|
NewOp->Asl.Value.String = NewString;
|
|
NewOp->Asl.AmlOpcode = AML_STRING_OP;
|
|
NewOp->Asl.AcpiBtype = ACPI_BTYPE_STRING;
|
|
NewOp->Asl.LogicalLineNumber = Op->Asl.LogicalLineNumber;
|
|
|
|
OpcCreateConcatenateNode(Op, NewOp);
|
|
|
|
StringLength = 0;
|
|
StringToProcess = FALSE;
|
|
}
|
|
|
|
++Format;
|
|
|
|
/*
|
|
* We have a format parameter and will need an argument to go
|
|
* with it
|
|
*/
|
|
if (!ArgNode ||
|
|
ArgNode->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
|
|
{
|
|
AslError(ASL_ERROR, ASL_MSG_ARG_COUNT_LO, Op, NULL);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* We do not support sub-specifiers of printf (flags, width,
|
|
* precision, length). For specifiers we only support %x/%X for
|
|
* hex or %s for strings. Also, %o for generic "acpi object".
|
|
*/
|
|
switch (*Format)
|
|
{
|
|
case 's':
|
|
|
|
if (ArgNode->Asl.ParseOpcode != PARSEOP_STRING_LITERAL)
|
|
{
|
|
AslError(ASL_ERROR, ASL_MSG_INVALID_TYPE, ArgNode,
|
|
"String required");
|
|
return;
|
|
}
|
|
|
|
NextNode = ArgNode->Asl.Next;
|
|
ArgNode->Asl.Next = NULL;
|
|
OpcCreateConcatenateNode(Op, ArgNode);
|
|
ArgNode = NextNode;
|
|
continue;
|
|
|
|
case 'X':
|
|
case 'x':
|
|
case 'o':
|
|
|
|
NextNode = ArgNode->Asl.Next;
|
|
ArgNode->Asl.Next = NULL;
|
|
|
|
/*
|
|
* Append an empty string if the first argument is
|
|
* not a string. This will implicitly conver the 2nd
|
|
* concat source to a string per the ACPI specification.
|
|
*/
|
|
if (!Op->Asl.Child)
|
|
{
|
|
NewOp = TrAllocateNode (PARSEOP_STRING_LITERAL);
|
|
NewOp->Asl.Value.String = "";
|
|
NewOp->Asl.AmlOpcode = AML_STRING_OP;
|
|
NewOp->Asl.AcpiBtype = ACPI_BTYPE_STRING;
|
|
NewOp->Asl.LogicalLineNumber = Op->Asl.LogicalLineNumber;
|
|
|
|
OpcCreateConcatenateNode(Op, NewOp);
|
|
}
|
|
|
|
OpcCreateConcatenateNode(Op, ArgNode);
|
|
ArgNode = NextNode;
|
|
break;
|
|
|
|
default:
|
|
|
|
AslError(ASL_ERROR, ASL_MSG_INVALID_OPERAND, Op,
|
|
"Unrecognized format specifier");
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* Process any remaining string */
|
|
|
|
if (StringToProcess)
|
|
{
|
|
NewString = UtStringCacheCalloc (StringLength + 1);
|
|
ACPI_STRNCPY (NewString, StartPosition, StringLength);
|
|
|
|
NewOp = TrAllocateNode (PARSEOP_STRING_LITERAL);
|
|
NewOp->Asl.Value.String = NewString;
|
|
NewOp->Asl.AcpiBtype = ACPI_BTYPE_STRING;
|
|
NewOp->Asl.AmlOpcode = AML_STRING_OP;
|
|
NewOp->Asl.LogicalLineNumber = Op->Asl.LogicalLineNumber;
|
|
|
|
OpcCreateConcatenateNode(Op, NewOp);
|
|
}
|
|
|
|
/*
|
|
* If we get here and there's no child node then Format
|
|
* was an empty string. Just make a no op.
|
|
*/
|
|
if (!Op->Asl.Child)
|
|
{
|
|
Op->Asl.ParseOpcode = PARSEOP_NOOP;
|
|
AslError(ASL_WARNING, ASL_MSG_NULL_STRING, Op,
|
|
"Converted to NOOP");
|
|
return;
|
|
}
|
|
|
|
/* Check for erroneous extra arguments */
|
|
|
|
if (ArgNode &&
|
|
ArgNode->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
|
|
{
|
|
AslError(ASL_WARNING, ASL_MSG_ARG_COUNT_HI, ArgNode,
|
|
"Extra arguments ignored");
|
|
}
|
|
|
|
/* Change Op to a Store */
|
|
|
|
Op->Asl.ParseOpcode = PARSEOP_STORE;
|
|
Op->Common.AmlOpcode = AML_STORE_OP;
|
|
Op->Asl.CompileFlags = 0;
|
|
|
|
/* Disable further optimization */
|
|
|
|
Op->Asl.CompileFlags &= ~NODE_COMPILE_TIME_CONST;
|
|
UtSetParseOpName (Op);
|
|
|
|
/* Set Store destination */
|
|
|
|
Op->Asl.Child->Asl.Next = DestOp;
|
|
}
|
|
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: OpcCreateConcatenateNode
|
|
*
|
|
* PARAMETERS: Op - Parse node
|
|
* Node - Parse node to be concatenated
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Make Node the child of Op. If child node already exists, then
|
|
* concat child with Node and makes concat node the child of Op.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static void
|
|
OpcCreateConcatenateNode (
|
|
ACPI_PARSE_OBJECT *Op,
|
|
ACPI_PARSE_OBJECT *Node)
|
|
{
|
|
ACPI_PARSE_OBJECT *NewConcatOp;
|
|
|
|
|
|
if (!Op->Asl.Child)
|
|
{
|
|
Op->Asl.Child = Node;
|
|
Node->Asl.Parent = Op;
|
|
return;
|
|
}
|
|
|
|
NewConcatOp = TrAllocateNode (PARSEOP_CONCATENATE);
|
|
NewConcatOp->Asl.AmlOpcode = AML_CONCAT_OP;
|
|
NewConcatOp->Asl.AcpiBtype = 0x7;
|
|
NewConcatOp->Asl.LogicalLineNumber = Op->Asl.LogicalLineNumber;
|
|
|
|
/* First arg is child of Op*/
|
|
|
|
NewConcatOp->Asl.Child = Op->Asl.Child;
|
|
Op->Asl.Child->Asl.Parent = NewConcatOp;
|
|
|
|
/* Second arg is Node */
|
|
|
|
NewConcatOp->Asl.Child->Asl.Next = Node;
|
|
Node->Asl.Parent = NewConcatOp;
|
|
|
|
/* Third arg is Zero (not used) */
|
|
|
|
NewConcatOp->Asl.Child->Asl.Next->Asl.Next =
|
|
TrAllocateNode (PARSEOP_ZERO);
|
|
NewConcatOp->Asl.Child->Asl.Next->Asl.Next->Asl.Parent =
|
|
NewConcatOp;
|
|
|
|
Op->Asl.Child = NewConcatOp;
|
|
NewConcatOp->Asl.Parent = Op;
|
|
}
|