diff options
| author | Gal Hammer <ghammer@redhat.com> | 2014-09-17 14:39:51 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2014-11-02 11:52:24 +0200 |
| commit | 1c87d68c91dc91771a9189d518e75bf15babc33b (patch) | |
| tree | 622077da0ee32e69a453505a3287107879d6651d /scripts | |
| parent | df1fd4b541b3ae0dc44843741363d00080775294 (diff) | |
i386: Add an ACPI_EXTRACT_NAME_BUFFER16 directive.
Add a 16-bytes buffer to allow storing a 128-bit UUID value in an
ACPI table.
Signed-off-by: Gal Hammer <ghammer@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/acpi_extract.py | 23 |
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"): |