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acpi: add aml_equal() term

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Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2015-02-18 19:14:40 +00:00 committed by Michael S. Tsirkin
parent a678508e46
commit 15e44e56d7
2 changed files with 11 additions and 0 deletions
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10
hw/acpi/aml-build.c
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@ -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)
{

1
include/hw/acpi/aml-build.h
View file

@ -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);