static void
CgGenerateAmlOpcodeLength (
ACPI_PARSE_OBJECT *Op)
{
/* Check for two-byte opcode */
if (Op->Asl.AmlOpcode > 0x00FF)
{
Op->Asl.AmlOpcodeLength = 2;
}
else
{
Op->Asl.AmlOpcodeLength = 1;
}
/* Does this opcode have an associated "PackageLength" field? */
Op->Asl.AmlPkgLenBytes = 0;
if (Op->Asl.CompileFlags & NODE_AML_PACKAGE)
{
Op->Asl.AmlPkgLenBytes = CgGetPackageLenByteCount (
Op, Op->Asl.AmlSubtreeLength);
}
/* Data opcode lengths are easy */
switch (Op->Asl.AmlOpcode)
{
case AML_BYTE_OP:
Op->Asl.AmlLength = 1;
break;
case AML_WORD_OP:
Op->Asl.AmlLength = 2;
break;
case AML_DWORD_OP:
Op->Asl.AmlLength = 4;
break;
case AML_QWORD_OP:
Op->Asl.AmlLength = 8;
break;
default:
/* All data opcodes must be above */
break;
}
}
void
CgGenerateAmlLengths (
ACPI_PARSE_OBJECT *Op)
{
char *Buffer;
ACPI_STATUS Status;
switch (Op->Asl.AmlOpcode)
{
case AML_RAW_DATA_BYTE:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlLength = 1;
return;
case AML_RAW_DATA_WORD:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlLength = 2;
return;
case AML_RAW_DATA_DWORD:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlLength = 4;
return;
case AML_RAW_DATA_QWORD:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlLength = 8;
return;
case AML_RAW_DATA_BUFFER:
/* Aml length is/was set by creator */
Op->Asl.AmlOpcodeLength = 0;
return;
case AML_RAW_DATA_CHAIN:
/* Aml length is/was set by creator */
Op->Asl.AmlOpcodeLength = 0;
return;
default:
break;
}
switch (Op->Asl.ParseOpcode)
{
case PARSEOP_DEFINITIONBLOCK:
Gbl_TableLength = sizeof (ACPI_TABLE_HEADER) +
Op->Asl.AmlSubtreeLength;
break;
case PARSEOP_NAMESEG:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlLength = 4;
Op->Asl.ExternalName = Op->Asl.Value.String;
break;
case PARSEOP_NAMESTRING:
case PARSEOP_METHODCALL:
if (Op->Asl.CompileFlags & NODE_NAME_INTERNALIZED)
{
break;
}
Op->Asl.AmlOpcodeLength = 0;
Status = UtInternalizeName (Op->Asl.Value.String, &Buffer);
if (ACPI_FAILURE (Status))
{
DbgPrint (ASL_DEBUG_OUTPUT,
"Failure from internalize name %X\n", Status);
break;
}
Op->Asl.ExternalName = Op->Asl.Value.String;
Op->Asl.Value.String = Buffer;
Op->Asl.CompileFlags |= NODE_NAME_INTERNALIZED;
Op->Asl.AmlLength = strlen (Buffer);
/*
* Check for single backslash reference to root,
* make it a null terminated string in the AML
*/
if (Op->Asl.AmlLength == 1)
{
Op->Asl.AmlLength = 2;
}
break;
case PARSEOP_STRING_LITERAL:
Op->Asl.AmlOpcodeLength = 1;
/* Get null terminator */
Op->Asl.AmlLength = strlen (Op->Asl.Value.String) + 1;
break;
case PARSEOP_PACKAGE_LENGTH:
Op->Asl.AmlOpcodeLength = 0;
Op->Asl.AmlPkgLenBytes = CgGetPackageLenByteCount (Op,
(UINT32) Op->Asl.Value.Integer);
break;
case PARSEOP_RAW_DATA:
Op->Asl.AmlOpcodeLength = 0;
break;
case PARSEOP_DEFAULT_ARG:
case PARSEOP_EXTERNAL:
case PARSEOP_INCLUDE:
case PARSEOP_INCLUDE_END:
/* Ignore the "default arg" nodes, they are extraneous at this point */
break;
default:
CgGenerateAmlOpcodeLength (Op);
break;
}
}
