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Diffstat (limited to 'source/components/disassembler/dmopcode.c')
-rw-r--r--source/components/disassembler/dmopcode.c195
1 files changed, 179 insertions, 16 deletions
diff --git a/source/components/disassembler/dmopcode.c b/source/components/disassembler/dmopcode.c
index 10c66b2d894c..30f985c524c1 100644
--- a/source/components/disassembler/dmopcode.c
+++ b/source/components/disassembler/dmopcode.c
@@ -46,6 +46,8 @@
#include "acparser.h"
#include "amlcode.h"
#include "acdisasm.h"
+#include "acinterp.h"
+#include "acnamesp.h"
#ifdef ACPI_DISASSEMBLER
@@ -61,6 +63,159 @@ AcpiDmMatchKeyword (
/*******************************************************************************
*
+ * FUNCTION: AcpiDmDisplayTargetPathname
+ *
+ * PARAMETERS: Op - Parse object
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: For AML opcodes that have a target operand, display the full
+ * pathname for the target, in a comment field. Handles Return()
+ * statements also.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmDisplayTargetPathname (
+ ACPI_PARSE_OBJECT *Op)
+{
+ ACPI_PARSE_OBJECT *NextOp;
+ ACPI_PARSE_OBJECT *PrevOp = NULL;
+ char *Pathname;
+ const ACPI_OPCODE_INFO *OpInfo;
+
+
+ if (Op->Common.AmlOpcode == AML_RETURN_OP)
+ {
+ PrevOp = Op->Asl.Value.Arg;
+ }
+ else
+ {
+ OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+ if (!(OpInfo->Flags & AML_HAS_TARGET))
+ {
+ return;
+ }
+
+ /* Target is the last Op in the arg list */
+
+ NextOp = Op->Asl.Value.Arg;
+ while (NextOp)
+ {
+ PrevOp = NextOp;
+ NextOp = PrevOp->Asl.Next;
+ }
+ }
+
+ if (!PrevOp)
+ {
+ return;
+ }
+
+ /* We must have a namepath AML opcode */
+
+ if (PrevOp->Asl.AmlOpcode != AML_INT_NAMEPATH_OP)
+ {
+ return;
+ }
+
+ /* A null string is the "no target specified" case */
+
+ if (!PrevOp->Asl.Value.String)
+ {
+ return;
+ }
+
+ /* No node means "unresolved external reference" */
+
+ if (!PrevOp->Asl.Node)
+ {
+ AcpiOsPrintf (" /* External reference */");
+ return;
+ }
+
+ /* Ignore if path is already from the root */
+
+ if (*PrevOp->Asl.Value.String == '\\')
+ {
+ return;
+ }
+
+ /* Now: we can get the full pathname */
+
+ Pathname = AcpiNsGetExternalPathname (PrevOp->Asl.Node);
+ if (!Pathname)
+ {
+ return;
+ }
+
+ AcpiOsPrintf (" /* %s */", Pathname);
+ ACPI_FREE (Pathname);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiDmNotifyDescription
+ *
+ * PARAMETERS: Op - Name() parse object
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Emit a description comment for the value associated with a
+ * Notify() operator.
+ *
+ ******************************************************************************/
+
+void
+AcpiDmNotifyDescription (
+ ACPI_PARSE_OBJECT *Op)
+{
+ ACPI_PARSE_OBJECT *NextOp;
+ ACPI_NAMESPACE_NODE *Node;
+ UINT8 NotifyValue;
+ UINT8 Type = ACPI_TYPE_ANY;
+
+
+ /* The notify value is the second argument */
+
+ NextOp = Op->Asl.Value.Arg;
+ NextOp = NextOp->Asl.Next;
+
+ switch (NextOp->Common.AmlOpcode)
+ {
+ case AML_ZERO_OP:
+ case AML_ONE_OP:
+
+ NotifyValue = (UINT8) NextOp->Common.AmlOpcode;
+ break;
+
+ case AML_BYTE_OP:
+
+ NotifyValue = (UINT8) NextOp->Asl.Value.Integer;
+ break;
+
+ default:
+ return;
+ }
+
+ /*
+ * Attempt to get the namespace node so we can determine the object type.
+ * Some notify values are dependent on the object type (Device, Thermal,
+ * or Processor).
+ */
+ Node = Op->Asl.Node;
+ if (Node)
+ {
+ Type = Node->Type;
+ }
+
+ AcpiOsPrintf (" // %s", AcpiUtGetNotifyName (NotifyValue, Type));
+}
+
+
+/*******************************************************************************
+ *
* FUNCTION: AcpiDmPredefinedDescription
*
* PARAMETERS: Op - Name() parse object
@@ -183,14 +338,11 @@ AcpiDmPredefinedDescription (
/* Match the name in the info table */
- for (Info = AslPredefinedInfo; Info->Name; Info++)
+ Info = AcpiAhMatchPredefinedName (NameString);
+ if (Info)
{
- if (ACPI_COMPARE_NAME (NameString, Info->Name))
- {
- AcpiOsPrintf (" // %4.4s: %s",
- NameString, ACPI_CAST_PTR (char, Info->Description));
- return;
- }
+ AcpiOsPrintf (" // %4.4s: %s",
+ NameString, ACPI_CAST_PTR (char, Info->Description));
}
#endif
@@ -267,14 +419,11 @@ AcpiDmFieldPredefinedDescription (
/* Match the name in the info table */
- for (Info = AslPredefinedInfo; Info->Name; Info++)
+ Info = AcpiAhMatchPredefinedName (Tag);
+ if (Info)
{
- if (ACPI_COMPARE_NAME (Tag, Info->Name))
- {
- AcpiOsPrintf (" // %4.4s: %s", Tag,
- ACPI_CAST_PTR (char, Info->Description));
- return;
- }
+ AcpiOsPrintf (" // %4.4s: %s", Tag,
+ ACPI_CAST_PTR (char, Info->Description));
}
#endif
@@ -527,6 +676,7 @@ AcpiDmDisassembleOneOp (
ACPI_PARSE_OBJECT *Child;
ACPI_STATUS Status;
UINT8 *Aml;
+ const AH_DEVICE_ID *IdInfo;
if (!Op)
@@ -605,7 +755,7 @@ AcpiDmDisassembleOneOp (
if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID)
{
- AcpiDmEisaId ((UINT32) Op->Common.Value.Integer);
+ AcpiDmDecompressEisaId ((UINT32) Op->Common.Value.Integer);
}
else
{
@@ -617,7 +767,7 @@ AcpiDmDisassembleOneOp (
if (Op->Common.DisasmOpcode == ACPI_DASM_EISAID)
{
- AcpiDmEisaId ((UINT32) Op->Common.Value.Integer);
+ AcpiDmDecompressEisaId ((UINT32) Op->Common.Value.Integer);
}
else
{
@@ -634,6 +784,19 @@ AcpiDmDisassembleOneOp (
case AML_STRING_OP:
AcpiUtPrintString (Op->Common.Value.String, ACPI_UINT16_MAX);
+
+ /* For _HID/_CID strings, attempt to output a descriptive comment */
+
+ if (Op->Common.DisasmOpcode == ACPI_DASM_HID_STRING)
+ {
+ /* If we know about the ID, emit the description */
+
+ IdInfo = AcpiAhMatchHardwareId (Op->Common.Value.String);
+ if (IdInfo)
+ {
+ AcpiOsPrintf (" /* %s */", IdInfo->Description);
+ }
+ }
break;
case AML_BUFFER_OP: