From 15e44e56d7da9d4569c10aa8de5f109a71570670 Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Wed, 18 Feb 2015 19:14:40 +0000 Subject: [PATCH] acpi: add aml_equal() term Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/acpi/aml-build.c | 10 ++++++++++ include/hw/acpi/aml-build.h | 1 + 2 files changed, 11 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 36aafe4bfb..97b027c380 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -514,6 +514,16 @@ Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, return var; } +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefLEqual */ +Aml *aml_equal(Aml *arg1, Aml *arg2) +{ + Aml *var = aml_opcode(0x93 /* LequalOp */); + aml_append(var, arg1); + aml_append(var, arg2); + build_append_int(var->buf, 0x00); /* NullNameOp */ + return var; +} + /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */ Aml *aml_if(Aml *predicate) { diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 7f3886fc8f..5e2b43498b 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -93,6 +93,7 @@ Aml *aml_operation_region(const char *name, AmlRegionSpace rs, Aml *aml_named_field(const char *name, unsigned length); Aml *aml_local(int num); Aml *aml_string(const char *name_format, ...) GCC_FMT_ATTR(1, 2); +Aml *aml_equal(Aml *arg1, Aml *arg2); /* Block AML object primitives */ Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);