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acpi: add aml_alias()

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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 00:41:07 +01:00 committed by Michael S. Tsirkin
parent c360639aee
commit 67a5c0faa6
2 changed files with 10 additions and 0 deletions
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9
hw/acpi/aml-build.c
View File

@ -1347,6 +1347,15 @@ Aml *aml_release(Aml *mutex)
return var;
}
/* ACPI 1.0b: 16.2.5.1 Name Space Modifier Objects Encoding: DefAlias */
Aml *aml_alias(const char *source_object, const char *alias_object)
{
Aml *var = aml_opcode(0x06 /* AliasOp */);
aml_append(var, aml_name("%s", source_object));
aml_append(var, aml_name("%s", alias_object));
return var;
}
void
build_header(GArray *linker, GArray *table_data,
AcpiTableHeader *h, const char *sig, int len, uint8_t rev,

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

@ -311,6 +311,7 @@ Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule);
Aml *aml_mutex(const char *name, uint8_t sync_level);
Aml *aml_acquire(Aml *mutex, uint16_t timeout);
Aml *aml_release(Aml *mutex);
Aml *aml_alias(const char *source_object, const char *alias_object);
Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name);
Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name);
Aml *aml_varpackage(uint32_t num_elements);