system/qemu
system/qemu
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/qemu synced 2024-07-22 10:55:31 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

i386: Add an ACPI_EXTRACT_NAME_BUFFER16 directive.

Browse source 
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>
This commit is contained in:
Gal Hammer 2014-09-17 14:39:51 +03:00 committed by Michael S. Tsirkin
parent df1fd4b541
commit 1c87d68c91
1 changed files with 14 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
scripts/acpi_extract.py
View file

@ -139,13 +139,16 @@ def aml_name_string(offset):
offset += 1 offset += 1
return offset; return offset;
# Given data offset, find 8 byte buffer offset # Given data offset, find variable length byte buffer offset
def aml_data_buffer8(offset): def aml_data_buffer(offset, length):
#0x08 NameOp NameString DataRef #0x11 PkgLength BufferSize ByteList
expect = [0x11, 0x0B, 0x0A, 0x08] 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): if (aml[offset:offset+4] != expect):
die( "Name offset 0x%x: expected %s actual %s" % 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) return offset + len(expect)
# Given data offset, find dword const offset # Given data offset, find dword const offset
@ -172,9 +175,9 @@ def aml_data_byte_const(offset):
(offset, aml[offset])); (offset, aml[offset]));
return offset + 1; return offset + 1;
# Find name'd buffer8 # Find name'd buffer
def aml_name_buffer8(offset): def aml_name_buffer(offset, length):
return aml_data_buffer8(aml_name_string(offset) + 4) return aml_data_buffer(aml_name_string(offset) + 4, length)
# Given name offset, find dword const offset # Given name offset, find dword const offset
def aml_name_dword_const(offset): def aml_name_dword_const(offset):
@ -308,7 +311,9 @@ def aml_package_start(offset):
output[array] = aml output[array] = aml
continue continue
if (directive == "ACPI_EXTRACT_NAME_BUFFER8"): 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"): elif (directive == "ACPI_EXTRACT_NAME_DWORD_CONST"):
offset = aml_name_dword_const(offset) offset = aml_name_dword_const(offset)
elif (directive == "ACPI_EXTRACT_NAME_WORD_CONST"): elif (directive == "ACPI_EXTRACT_NAME_WORD_CONST"):