void
AcpiDmNamestring (
char *Name)
{
UINT32 SegCount;
if (!Name)
{
return;
}
/* Handle all Scope Prefix operators */
while (AcpiPsIsPrefixChar (ACPI_GET8 (Name)))
{
/* Append prefix character */
AcpiOsPrintf ("%1c", ACPI_GET8 (Name));
Name++;
}
switch (ACPI_GET8 (Name))
{
case 0:
SegCount = 0;
break;
case AML_DUAL_NAME_PREFIX:
SegCount = 2;
Name++;
break;
case AML_MULTI_NAME_PREFIX_OP:
SegCount = (UINT32) ACPI_GET8 (Name + 1);
Name += 2;
break;
default:
SegCount = 1;
break;
}
while (SegCount)
{
/* Append Name segment */
AcpiDmDumpName ((char *) Name);
SegCount--;
if (SegCount)
{
/* Not last name, append dot separator */
AcpiOsPrintf (".");
}
Name += ACPI_NAME_SIZE;
}
}
ACPI_PARSE_OBJECT *
AcpiPsGetNextArg (
ACPI_PARSE_STATE *ParserState,
UINT32 ArgType,
UINT32 *ArgCount)
{
ACPI_PARSE_OBJECT *Arg = NULL;
ACPI_PARSE_OBJECT *Prev = NULL;
ACPI_PARSE_OBJECT *Field;
UINT32 Subop;
FUNCTION_TRACE_PTR ("PsGetNextArg", ParserState);
switch (ArgType)
{
case ARGP_BYTEDATA:
case ARGP_WORDDATA:
case ARGP_DWORDDATA:
case ARGP_CHARLIST:
case ARGP_NAME:
case ARGP_NAMESTRING:
/* constants, strings, and namestrings are all the same size */
Arg = AcpiPsAllocOp (AML_BYTE_OP);
if (Arg)
{
AcpiPsGetNextSimpleArg (ParserState, ArgType, Arg);
}
break;
case ARGP_PKGLENGTH:
/* package length, nothing returned */
ParserState->PkgEnd = AcpiPsGetNextPackageEnd (ParserState);
break;
case ARGP_FIELDLIST:
if (ParserState->Aml < ParserState->PkgEnd)
{
/* non-empty list */
while (ParserState->Aml < ParserState->PkgEnd)
{
Field = AcpiPsGetNextField (ParserState);
if (!Field)
{
break;
}
if (Prev)
{
Prev->Next = Field;
}
else
{
Arg = Field;
}
Prev = Field;
}
/* skip to End of byte data */
ParserState->Aml = ParserState->PkgEnd;
}
break;
case ARGP_BYTELIST:
if (ParserState->Aml < ParserState->PkgEnd)
{
/* non-empty list */
Arg = AcpiPsAllocOp (AML_INT_BYTELIST_OP);
if (Arg)
{
/* fill in bytelist data */
Arg->Value.Size = (ParserState->PkgEnd - ParserState->Aml);
((ACPI_PARSE2_OBJECT *) Arg)->Data = ParserState->Aml;
}
/* skip to End of byte data */
ParserState->Aml = ParserState->PkgEnd;
}
break;
case ARGP_TARGET:
case ARGP_SUPERNAME:
{
Subop = AcpiPsPeekOpcode (ParserState);
if (Subop == 0 ||
AcpiPsIsLeadingChar (Subop) ||
AcpiPsIsPrefixChar (Subop))
{
/* NullName or NameString */
Arg = AcpiPsAllocOp (AML_INT_NAMEPATH_OP);
if (Arg)
{
AcpiPsGetNextNamepath (ParserState, Arg, ArgCount, 0);
}
}
else
{
/* single complex argument, nothing returned */
*ArgCount = 1;
}
}
break;
case ARGP_DATAOBJ:
case ARGP_TERMARG:
/* single complex argument, nothing returned */
*ArgCount = 1;
break;
case ARGP_DATAOBJLIST:
case ARGP_TERMLIST:
case ARGP_OBJLIST:
if (ParserState->Aml < ParserState->PkgEnd)
{
/* non-empty list of variable arguments, nothing returned */
*ArgCount = ACPI_VAR_ARGS;
}
break;
}
return_PTR (Arg);
}
NATIVE_CHAR *
AcpiPsGetNextNamestring (
ACPI_PARSE_STATE *ParserState)
{
UINT8 *Start = ParserState->Aml;
UINT8 *End = ParserState->Aml;
UINT32 Length;
FUNCTION_TRACE ("PsGetNextNamestring");
/* Handle multiple prefix characters */
while (AcpiPsIsPrefixChar (GET8 (End)))
{
/* include prefix '\\' or '^' */
End++;
}
/* Decode the path */
switch (GET8 (End))
{
case 0:
/* NullName */
if (End == Start)
{
Start = NULL;
}
End++;
break;
case AML_DUAL_NAME_PREFIX:
/* two name segments */
End += 9;
break;
case AML_MULTI_NAME_PREFIX_OP:
/* multiple name segments */
Length = (UINT32) GET8 (End + 1) * 4;
End += 2 + Length;
break;
default:
/* single name segment */
/* assert (AcpiPsIsLead (GET8 (End))); */
End += 4;
break;
}
ParserState->Aml = (UINT8*) End;
return_PTR ((NATIVE_CHAR *) Start);
}
