This allows to extract the beginning, end and name of a Device object.
Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis@xxxxxxxxxxxxxxxx>
---
tools/acpi_extract.py | 28 ++++++++++++++++++++++++++++
1 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/tools/acpi_extract.py b/tools/acpi_extract.py
index 167a322..cb2540e 100755
--- a/tools/acpi_extract.py
+++ b/tools/acpi_extract.py
@@ -195,6 +195,28 @@ def aml_package_start(offset):
offset += 1
return offset + aml_pkglen_bytes(offset) + 1
+def aml_device_start(offset):
+ #0x5B 0x82 DeviceOp PkgLength NameString ProcID
+ if ((aml[offset] != 0x5B) or (aml[offset + 1] != 0x82)):
+ die( "Name offset 0x%x: expected 0x5B 0x83 actual 0x%x 0x%x" %
+ (offset, aml[offset], aml[offset + 1]));
+ return offset
+
+def aml_device_string(offset):
+ #0x5B 0x82 DeviceOp PkgLength NameString ProcID
+ start = aml_device_start(offset)
+ offset += 2
+ pkglenbytes = aml_pkglen_bytes(offset)
+ offset += pkglenbytes
+ return offset
+
+def aml_device_end(offset):
+ start = aml_device_start(offset)
+ offset += 2
+ pkglenbytes = aml_pkglen_bytes(offset)
+ pkglen = aml_pkglen(offset)
+ return offset + pkglen
+
lineno = 0
for line in fileinput.input():
# Strip trailing newline
@@ -279,6 +301,12 @@ for i in range(len(asl)):
offset = aml_processor_end(offset)
elif (directive == "ACPI_EXTRACT_PKG_START"):
offset = aml_package_start(offset)
+ elif (directive == "ACPI_EXTRACT_DEVICE_START"):
+ offset = aml_device_start(offset)
+ elif (directive == "ACPI_EXTRACT_DEVICE_STRING"):
+ offset = aml_device_string(offset)
+ elif (directive == "ACPI_EXTRACT_DEVICE_END"):
+ offset = aml_device_end(offset)
else:
die("Unsupported directive %s" % directive)
--
1.7.9
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