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Add infrastructure for External() opcode.

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This change adds the basic low-level infrastructure for the External
AML opcode. The interpreter will simply ignore this op, as the op
is intended for use by the disassembler only.
This commit is contained in:
Robert Moore 2015-03-26 08:58:53 -07:00
parent 52772048b7
commit d115fe2ffd
8 changed files with 32 additions and 5 deletions
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2
source/compiler/aslmap.c
View File

@ -294,7 +294,7 @@ const ASL_MAPPING_ENTRY AslKeywordMapping [] =
/* EXTENDEDIO */ OP_TABLE_ENTRY (AML_BYTE_OP, 0, 0, 0),
/* EXTENDEDMEMORY */ OP_TABLE_ENTRY (AML_BYTE_OP, 0, 0, 0),
/* EXTENDEDSPACE */ OP_TABLE_ENTRY (AML_RAW_DATA_QWORD, 0, 0, ACPI_BTYPE_INTEGER),
/* EXTERNAL */ OP_TABLE_ENTRY (AML_DEFAULT_ARG_OP, 0, 0, 0),
/* EXTERNAL */ OP_TABLE_ENTRY (AML_EXTERNAL_OP, 0, 0, 0),
/* FATAL */ OP_TABLE_ENTRY (AML_FATAL_OP, 0, 0, 0),
/* FIELD */ OP_TABLE_ENTRY (AML_FIELD_OP, 0, NODE_AML_PACKAGE, 0),
/* FINDSETLEFTBIT */ OP_TABLE_ENTRY (AML_FIND_SET_LEFT_BIT_OP, 0, 0, ACPI_BTYPE_INTEGER),

9
source/components/dispatcher/dsutils.c
View File

@ -671,6 +671,15 @@ AcpiDsCreateOperand (
ACPI_OPERAND_OBJECT, AcpiGbl_RootNode);
Status = AE_OK;
}
else if (ParentOp->Common.AmlOpcode == AML_EXTERNAL_OP)
{
/* TBD: May only be temporary */
ObjDesc = AcpiUtCreateStringObject ((ACPI_SIZE) NameLength);
ACPI_STRNCPY (ObjDesc->String.Pointer, NameString, NameLength);
Status = AE_OK;
}
else
{
/*

13
source/components/executer/exoparg3.c
View File

@ -198,7 +198,18 @@ AcpiExOpcode_3A_0T_0R (
/* Might return while OS is shutting down, just continue */
ACPI_FREE (Fatal);
break;
goto Cleanup;
case AML_EXTERNAL_OP:
/*
* If the interpreter sees this opcode, just ignore it. The External
* op is intended for use by disassemblers in order to properly
* disassemble control method invocations. The opcode or group of
* opcodes should be surrounded by an "if (0)" clause to ensure that
* AML interpreters never see the opcode.
*/
Status = AE_OK;
goto Cleanup;
default:

6
source/components/parser/psopcode.c
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@ -405,7 +405,11 @@ const ACPI_OPCODE_INFO AcpiGbl_AmlOpInfo[AML_NUM_OPCODES] =
/* ACPI 5.0 opcodes */
/* 7F */ ACPI_OP ("-ConnectField-", ARGP_CONNECTFIELD_OP, ARGI_CONNECTFIELD_OP, ACPI_TYPE_ANY, AML_CLASS_INTERNAL, AML_TYPE_BOGUS, AML_HAS_ARGS),
/* 80 */ ACPI_OP ("-ExtAccessField-", ARGP_CONNECTFIELD_OP, ARGI_CONNECTFIELD_OP, ACPI_TYPE_ANY, AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0)
/* 80 */ ACPI_OP ("-ExtAccessField-", ARGP_CONNECTFIELD_OP, ARGI_CONNECTFIELD_OP, ACPI_TYPE_ANY, AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0),
/* ACPI 6.0 opcodes */
/* 81 */ ACPI_OP ("External", ARGP_EXTERNAL_OP, ARGI_EXTERNAL_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE,/* ? */ AML_TYPE_EXEC_3A_0T_0R, AML_FLAGS_EXEC_3A_0T_0R)
/*! [End] no source code translation !*/
};

2
source/components/parser/psopinfo.c
View File

@ -298,7 +298,7 @@ const UINT8 AcpiGbl_ShortOpIndex[256] =
/* 8 9 A B C D E F */
/* 0x00 */ 0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK,
/* 0x08 */ 0x03, _UNK, 0x04, 0x05, 0x06, 0x07, 0x6E, _UNK,
/* 0x10 */ 0x08, 0x09, 0x0a, 0x6F, 0x0b, _UNK, _UNK, _UNK,
/* 0x10 */ 0x08, 0x09, 0x0a, 0x6F, 0x0b, 0x81, _UNK, _UNK,
/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x20 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
/* 0x28 */ _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX,

2
source/include/aclocal.h
View File

@ -126,7 +126,7 @@ typedef UINT32 ACPI_MUTEX_HANDLE;
/* Total number of aml opcodes defined */
#define AML_NUM_OPCODES 0x81
#define AML_NUM_OPCODES 0x82
/* Forward declarations */

2
source/include/acopcode.h
View File

@ -184,6 +184,7 @@
#define ARGP_DWORD_OP ARGP_LIST1 (ARGP_DWORDDATA)
#define ARGP_ELSE_OP ARGP_LIST2 (ARGP_PKGLENGTH, ARGP_TERMLIST)
#define ARGP_EVENT_OP ARGP_LIST1 (ARGP_NAME)
#define ARGP_EXTERNAL_OP ARGP_LIST3 (ARGP_NAMESTRING, ARGP_BYTEDATA, ARGP_BYTEDATA)
#define ARGP_FATAL_OP ARGP_LIST3 (ARGP_BYTEDATA, ARGP_DWORDDATA, ARGP_TERMARG)
#define ARGP_FIELD_OP ARGP_LIST4 (ARGP_PKGLENGTH, ARGP_NAMESTRING, ARGP_BYTEDATA, ARGP_FIELDLIST)
#define ARGP_FIND_SET_LEFT_BIT_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_TARGET)
@ -317,6 +318,7 @@
#define ARGI_DWORD_OP ARGI_INVALID_OPCODE
#define ARGI_ELSE_OP ARGI_INVALID_OPCODE
#define ARGI_EVENT_OP ARGI_INVALID_OPCODE
#define ARGI_EXTERNAL_OP ARGI_LIST3 (ARGI_STRING, ARGI_INTEGER, ARGI_INTEGER)
#define ARGI_FATAL_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_INTEGER)
#define ARGI_FIELD_OP ARGI_INVALID_OPCODE
#define ARGI_FIND_SET_LEFT_BIT_OP ARGI_LIST2 (ARGI_INTEGER, ARGI_TARGETREF)

1
source/include/amlcode.h
View File

@ -137,6 +137,7 @@
#define AML_PACKAGE_OP (UINT16) 0x12
#define AML_VAR_PACKAGE_OP (UINT16) 0x13 /* ACPI 2.0 */
#define AML_METHOD_OP (UINT16) 0x14
#define AML_EXTERNAL_OP (UINT16) 0x15 /* ACPI 6.0 */
#define AML_DUAL_NAME_PREFIX (UINT16) 0x2e
#define AML_MULTI_NAME_PREFIX_OP (UINT16) 0x2f
#define AML_NAME_CHAR_SUBSEQ (UINT16) 0x30