Re: [PATCH v3 03/32] acpi: add aml_create_field

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On Sun, 11 Oct 2015 11:52:35 +0800
Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx> wrote:

> Implement CreateField term which is used by NVDIMM _DSM method in later patch
> 
> Signed-off-by: Xiao Guangrong <guangrong.xiao@xxxxxxxxxxxxxxx>
> ---
>  hw/acpi/aml-build.c         | 13 +++++++++++++
>  include/hw/acpi/aml-build.h |  1 +
>  2 files changed, 14 insertions(+)
> 
> diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
> index a72214d..9fe5e7b 100644
> --- a/hw/acpi/aml-build.c
> +++ b/hw/acpi/aml-build.c
> @@ -1151,6 +1151,19 @@ Aml *aml_sizeof(Aml *arg)
>      return var;
>  }
>  
> +/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateField */
> +Aml *aml_create_field(Aml *srcbuf, Aml *index, Aml *len, const char *name)
you haven't addressed v2 comment wrt index, len
 https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg00435.html

> +{
> +    Aml *var = aml_alloc();
> +    build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */
> +    build_append_byte(var->buf, 0x13); /* CreateFieldOp */
> +    aml_append(var, srcbuf);
> +    aml_append(var, index);
> +    aml_append(var, len);
> +    build_append_namestring(var->buf, "%s", name);
> +    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 7296efb..7e1c43b 100644
> --- a/include/hw/acpi/aml-build.h
> +++ b/include/hw/acpi/aml-build.h
> @@ -276,6 +276,7 @@ Aml *aml_touuid(const char *uuid);
>  Aml *aml_unicode(const char *str);
>  Aml *aml_derefof(Aml *arg);
>  Aml *aml_sizeof(Aml *arg);
> +Aml *aml_create_field(Aml *srcbuf, Aml *index, Aml *len, const char *name);
>  
>  void
>  build_header(GArray *linker, GArray *table_data,

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