Re: [Qemu-devel] [PATCH v2 04/18] acpi: add aml_sizeof

[Igor Mammedov]

On Fri, 14 Aug 2015 22:51:57 +0800
Xiao Guangrong <address@hidden> wrote:

> Implement SizeOf term which is used by NVDIMM _DSM method in later patch
> 
> Signed-off-by: Xiao Guangrong <address@hidden>
> ---
>  hw/acpi/aml-build.c         | 8 ++++++++
>  include/hw/acpi/aml-build.h | 1 +
>  2 files changed, 9 insertions(+)
> 
> diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
> index 9e89efc..a526eed 100644
> --- a/hw/acpi/aml-build.c
> +++ b/hw/acpi/aml-build.c
> @@ -1143,6 +1143,14 @@ Aml *aml_derefof(Aml *arg)
>      return var;
>  }
>  
> +/* ACPI 6.0: 20.2.5.4 Type 2 Opcodes Encoding: DefSizeOf */
ditto, refer to to the first revision where it's appeared

> +Aml *aml_sizeof(Aml *arg)
> +{
> +    Aml *var = aml_opcode(0x87 /* SizeOfOp */);
> +    aml_append(var, arg);
> +    return var;
> +}
> +
>  void
>  build_header(GArray *linker, GArray *table_data,
>               AcpiTableHeader *h, const char *sig, int len, uint8_t rev)
> diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
> index 21dc5e9..6b591ab 100644
> --- a/include/hw/acpi/aml-build.h
> +++ b/include/hw/acpi/aml-build.h
> @@ -276,6 +276,7 @@ Aml *aml_varpackage(uint32_t num_elements);
>  Aml *aml_touuid(const char *uuid);
>  Aml *aml_unicode(const char *str);
>  Aml *aml_derefof(Aml *arg);
> +Aml *aml_sizeof(Aml *arg);
>  
>  void
>  build_header(GArray *linker, GArray *table_data,