Re: [Qemu-devel] [PATCH v2 11/47] acpi: add acpi_arg0(), acpi_arg1(), acpi_arg2(), acpi_arg3() terms

[Igor Mammedov]

On Fri, 23 Jan 2015 10:32:57 +0200
Marcel Apfelbaum <address@hidden> wrote:

> On 01/22/2015 04:49 PM, Igor Mammedov wrote:
> > Signed-off-by: Igor Mammedov <address@hidden>
> > ---
> >   hw/acpi/acpi-build-utils.c         | 32 ++++++++++++++++++++++++++++++++
> >   include/hw/acpi/acpi-build-utils.h |  5 +++++
> >   2 files changed, 37 insertions(+)
> >
> > diff --git a/hw/acpi/acpi-build-utils.c b/hw/acpi/acpi-build-utils.c
> > index df5880f..6e10712 100644
> > --- a/hw/acpi/acpi-build-utils.c
> > +++ b/hw/acpi/acpi-build-utils.c
> > @@ -348,6 +348,38 @@ AcpiAml acpi_name_decl(const char *name, AcpiAml val)
> >       return var;
> >   }
> Hi Igor,
> Very nice series!!!
> 
> >
> > +/* ACPI 5.0: 20.2.6.1 Arg Objects Encoding: Arg0Op */
> > +AcpiAml acpi_arg0(void)
> > +{
> > +    AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
> > +    build_append_byte(var.buf, 0x68); /* ARG0 op */
> > +    return var;
> > +}
> Maybe we can have a little code reuse and use something like:
> 
> static AcpiAml acpi_arg(int idx)
> {
>      AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
>      build_append_byte(var.buf, 0x68 + idx); /* ARG<idx> op */
>      return var;
> }
> 
> and then:
> 
> AcpiAml acpi_arg0(void)
> {
>      return acpi_arg(0);
> }
> ...
> 
> I did the same with the local vars.
> What do you think?
sure lets use it, and take Michael's suggest dropping wrappers
and just use plain acpi_arg(X)

> Thanks,
> Marcel
> 
> > +
> > +/* ACPI 5.0: 20.2.6.1 Arg Objects Encoding: Arg1Op */
> > +AcpiAml acpi_arg1(void)
> > +{
> > +    AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
> > +    build_append_byte(var.buf, 0x69); /* ARG1 op */
> > +    return var;
> > +}
> > +
> > +/* ACPI 5.0: 20.2.6.1 Arg Objects Encoding: Arg2Op */
> > +AcpiAml acpi_arg2(void)
> > +{
> > +    AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
> > +    build_append_byte(var.buf, 0x6A); /* ARG2 op */
> > +    return var;
> > +}
> > +
> > +/* ACPI 5.0: 20.2.6.1 Arg Objects Encoding: Arg3Op */
> > +AcpiAml acpi_arg3(void)
> > +{
> > +    AcpiAml var = aml_allocate_internal(0, NON_BLOCK);
> > +    build_append_byte(var.buf, 0x6B); /* ARG3 op */
> > +    return var;
> > +}
> > +
> >   /* ACPI 5.0: 20.2.5.3 Type 1 Opcodes Encoding: DefIfElse */
> >   AcpiAml acpi_if(AcpiAml predicate)
> >   {
> > diff --git a/include/hw/acpi/acpi-build-utils.h 
> > b/include/hw/acpi/acpi-build-utils.h
> > index 9e9ef1a..18d9efa 100644
> > --- a/include/hw/acpi/acpi-build-utils.h
> > +++ b/include/hw/acpi/acpi-build-utils.h
> > @@ -26,6 +26,11 @@ AcpiAml acpi_return(AcpiAml val);
> >   AcpiAml acpi_int(const uint64_t val);
> >   AcpiAml GCC_FMT_ATTR(1, 2) acpi_name(const char *name_format, ...);
> >   AcpiAml acpi_name_decl(const char *name, AcpiAml val);
> > +AcpiAml acpi_arg0(void);
> > +AcpiAml acpi_arg1(void);
> > +AcpiAml acpi_arg2(void);
> > +AcpiAml acpi_arg3(void);
> > +
> >   /* Block ASL object primitives */
> >   AcpiAml acpi_if(AcpiAml predicate);
> >   AcpiAml acpi_method(const char *name, int arg_count);
> >
>