[SeaBIOS] [Qemu-devel] [RFC PATCH v4 01/30] Add ACPI_EXTRACT_DEVICE* macros

[li guang]

seems these changes is in seebios now.

在 2012-12-18二的 13:41 +0100，Vasilis Liaskovitis写道：
> This allows to extract the beginning, end and name of a Device object.
> ---
>  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 3295678..3191f53 100755
> --- a/tools/acpi_extract.py
> +++ b/tools/acpi_extract.py
> @@ -217,6 +217,28 @@ 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
> @@ -307,6 +329,12 @@ 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)
>