On 2015/11/2 17:13, Xiao Guangrong 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)
> +{
> + 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);
>
Maybe this could be moved together with existing aml_create_dword_field.
> void
> build_header(GArray *linker, GArray *table_data,
>
--
Shannon
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