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-rw-r--r--drivers/acpi/acpica/aclocal.h2
-rw-r--r--drivers/acpi/acpica/acopcode.h2
-rw-r--r--drivers/acpi/acpica/amlcode.h1
-rw-r--r--drivers/acpi/acpica/dsutils.c11
-rw-r--r--drivers/acpi/acpica/exoparg3.c13
-rw-r--r--drivers/acpi/acpica/psopcode.c8
-rw-r--r--drivers/acpi/acpica/psopinfo.c2
7 files changed, 35 insertions, 4 deletions
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 7add32e5d8c5..87b27521fcac 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -53,7 +53,7 @@ typedef u32 acpi_mutex_handle;
/* Total number of aml opcodes defined */
-#define AML_NUM_OPCODES 0x81
+#define AML_NUM_OPCODES 0x82
/* Forward declarations */
diff --git a/drivers/acpi/acpica/acopcode.h b/drivers/acpi/acpica/acopcode.h
index a5f17de45ac6..fd85ad05a24a 100644
--- a/drivers/acpi/acpica/acopcode.h
+++ b/drivers/acpi/acpica/acopcode.h
@@ -111,6 +111,7 @@
#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)
@@ -243,6 +244,7 @@
#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)
diff --git a/drivers/acpi/acpica/amlcode.h b/drivers/acpi/acpica/amlcode.h
index 3a95068fc119..2c47b2533144 100644
--- a/drivers/acpi/acpica/amlcode.h
+++ b/drivers/acpi/acpica/amlcode.h
@@ -65,6 +65,7 @@
#define AML_PACKAGE_OP (u16) 0x12
#define AML_VAR_PACKAGE_OP (u16) 0x13 /* ACPI 2.0 */
#define AML_METHOD_OP (u16) 0x14
+#define AML_EXTERNAL_OP (u16) 0x15 /* ACPI 6.0 */
#define AML_DUAL_NAME_PREFIX (u16) 0x2e
#define AML_MULTI_NAME_PREFIX_OP (u16) 0x2f
#define AML_NAME_CHAR_SUBSEQ (u16) 0x30
diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c
index e5ff89bcb3f5..deeddd6d2f05 100644
--- a/drivers/acpi/acpica/dsutils.c
+++ b/drivers/acpi/acpica/dsutils.c
@@ -564,6 +564,17 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state,
acpi_operand_object,
acpi_gbl_root_node);
status = AE_OK;
+ } else if (parent_op->common.aml_opcode ==
+ AML_EXTERNAL_OP) {
+
+ /* TBD: May only be temporary */
+
+ obj_desc =
+ acpi_ut_create_string_object((acpi_size) name_length);
+
+ ACPI_STRNCPY(obj_desc->string.pointer,
+ name_string, name_length);
+ status = AE_OK;
} else {
/*
* We just plain didn't find it -- which is a
diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c
index b813fed95e56..1c64a988cbee 100644
--- a/drivers/acpi/acpica/exoparg3.c
+++ b/drivers/acpi/acpica/exoparg3.c
@@ -114,7 +114,18 @@ acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state)
/* 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:
diff --git a/drivers/acpi/acpica/psopcode.c b/drivers/acpi/acpica/psopcode.c
index 1af4a405e351..ed90fddf2487 100644
--- a/drivers/acpi/acpica/psopcode.c
+++ b/drivers/acpi/acpica/psopcode.c
@@ -646,7 +646,13 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = {
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)
+ 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 !*/
};
diff --git a/drivers/acpi/acpica/psopinfo.c b/drivers/acpi/acpica/psopinfo.c
index e18e7c47f482..20e1a35169fc 100644
--- a/drivers/acpi/acpica/psopinfo.c
+++ b/drivers/acpi/acpica/psopinfo.c
@@ -210,7 +210,7 @@ const u8 acpi_gbl_short_op_index[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,