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acpi: add aml_to_integer()

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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>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
This commit is contained in:
Igor Mammedov 2015-12-10 00:41:05 +01:00 committed by Michael S. Tsirkin
parent 7b38ba9cb6
commit f411199de7
2 changed files with 10 additions and 0 deletions
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9
hw/acpi/aml-build.c
View File

@ -427,6 +427,15 @@ Aml *aml_arg(int pos)
return var;
}
/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */
Aml *aml_to_integer(Aml *arg)
{
Aml *var = aml_opcode(0x99 /* ToIntegerOp */);
aml_append(var, arg);
build_append_byte(var->buf, 0x00 /* NullNameOp */);
return var;
}
/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */
Aml *aml_store(Aml *val, Aml *target)
{

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

@ -224,6 +224,7 @@ Aml *aml_name_decl(const char *name, Aml *val);
Aml *aml_return(Aml *val);
Aml *aml_int(const uint64_t val);
Aml *aml_arg(int pos);
Aml *aml_to_integer(Aml *arg);
Aml *aml_store(Aml *val, Aml *target);
Aml *aml_and(Aml *arg1, Aml *arg2);
Aml *aml_or(Aml *arg1, Aml *arg2);