| Message ID | 1410953992-14542-2-git-send-email-ghammer@redhat.com |
|---|---|
| State | New |
| Headers | show |
On Wed, Sep 17, 2014 at 02:39:51PM +0300, Gal Hammer wrote: > 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> This one looks good. Applied, thanks! > --- > scripts/acpi_extract.py | 23 ++++++++++++++--------- > 1 file changed, 14 insertions(+), 9 deletions(-) > > diff --git a/scripts/acpi_extract.py b/scripts/acpi_extract.py > index 22ea468..10c1ffb 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"): > -- > 1.9.3 >
diff --git a/scripts/acpi_extract.py b/scripts/acpi_extract.py index 22ea468..10c1ffb 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"):