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-rwxr-xr-xscripts/acpi_extract.py23
1 files changed, 14 insertions, 9 deletions
diff --git a/scripts/acpi_extract.py b/scripts/acpi_extract.py
index 22ea468102..10c1ffb368 100755
--- a/scripts/acpi_extract.py
+++ b/scripts/acpi_extract.py
@@ -139,13 +139,16 @@ def aml_name_string(offset):
offset += 1
return offset;
-# Given data offset, find 8 byte buffer offset
-def aml_data_buffer8(offset):
- #0x08 NameOp NameString DataRef
- expect = [0x11, 0x0B, 0x0A, 0x08]
+# Given data offset, find variable length byte buffer offset
+def aml_data_buffer(offset, length):
+ #0x11 PkgLength BufferSize ByteList
+ if (length > 63):
+ die( "Name offset 0x%x: expected a one byte PkgLength (length<=63)" %
+ (offset));
+ expect = [0x11, length+3, 0x0A, length]
if (aml[offset:offset+4] != expect):
die( "Name offset 0x%x: expected %s actual %s" %
- (offset, aml[offset:offset+4], expect))
+ (offset, expect, aml[offset:offset+4]))
return offset + len(expect)
# Given data offset, find dword const offset
@@ -172,9 +175,9 @@ def aml_data_byte_const(offset):
(offset, aml[offset]));
return offset + 1;
-# Find name'd buffer8
-def aml_name_buffer8(offset):
- return aml_data_buffer8(aml_name_string(offset) + 4)
+# Find name'd buffer
+def aml_name_buffer(offset, length):
+ return aml_data_buffer(aml_name_string(offset) + 4, length)
# Given name offset, find dword const offset
def aml_name_dword_const(offset):
@@ -308,7 +311,9 @@ for i in range(len(asl)):
output[array] = aml
continue
if (directive == "ACPI_EXTRACT_NAME_BUFFER8"):
- offset = aml_name_buffer8(offset)
+ offset = aml_name_buffer(offset, 8)
+ elif (directive == "ACPI_EXTRACT_NAME_BUFFER16"):
+ offset = aml_name_buffer(offset, 16)
elif (directive == "ACPI_EXTRACT_NAME_DWORD_CONST"):
offset = aml_name_dword_const(offset)
elif (directive == "ACPI_EXTRACT_NAME_WORD_CONST"):