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acpi: add aml_return() 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 19:14:22 +00:00 committed by Michael S. Tsirkin
parent 295a515df0
commit b25af5ad59
2 changed files with 9 additions and 0 deletions
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8
hw/acpi/aml-build.c
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@ -355,6 +355,14 @@ Aml *aml_scope(const char *name_format, ...)
return var;
}
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefReturn */
Aml *aml_return(Aml *val)
{
Aml *var = aml_opcode(0xA4 /* ReturnOp */);
aml_append(var, val);
return var;
}
/*
* ACPI 1.0b: 16.2.3 Data Objects Encoding:
* encodes: ByteConst, WordConst, DWordConst, QWordConst, ZeroOp, OneOp

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

@ -62,6 +62,7 @@ void aml_append(Aml *parent_ctx, Aml *child);
/* non block AML object primitives */
Aml *aml_name(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
Aml *aml_name_decl(const char *name, Aml *val);
Aml *aml_return(Aml *val);
Aml *aml_int(const uint64_t val);
/* Block AML object primitives */