From 32acac9eb3478cb1229654883f938ab21d28d998 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Wed, 18 Feb 2015 19:14:19 +0000 Subject: [PATCH] acpi: add aml_if() term Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- 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 4e0685e37a..d19d1fb74a 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -356,6 +356,14 @@ Aml *aml_scope(const char *name_format, ...) return var; } +/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */ +Aml *aml_if(Aml *predicate) +{ + Aml *var = aml_bundle(0xA0 /* IfOp */, AML_PACKAGE); + aml_append(var, predicate); + return var; +} + /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */ Aml *aml_method(const char *name, int arg_count) { diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 97e210a1f3..13cc9e9db9 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -63,6 +63,7 @@ void aml_append(Aml *parent_ctx, Aml *child); Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2); Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2); Aml *aml_method(const char *name, int arg_count); +Aml *aml_if(Aml *predicate); /* other helpers */ GArray *build_alloc_array(void); -- 2.11.0