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acpi: add aml_create_qword_field()

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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 00:41:00 +01:00 committed by Michael S. Tsirkin
parent 6e1db3f263
commit 7e192a383b
2 changed files with 18 additions and 4 deletions
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21
hw/acpi/aml-build.c
View File

@ -910,17 +910,30 @@ Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule)
return var; return var;
} }
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */ static
Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name) Aml *create_field_common(int opcode, Aml *srcbuf, Aml *index, const char *name)
{ {
Aml *var = aml_alloc(); Aml *var = aml_opcode(opcode);
build_append_byte(var->buf, 0x8A); /* CreateDWordFieldOp */
aml_append(var, srcbuf); aml_append(var, srcbuf);
aml_append(var, index); aml_append(var, index);
build_append_namestring(var->buf, "%s", name); build_append_namestring(var->buf, "%s", name);
return var; return var;
} }
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */
Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name)
{
return create_field_common(0x8A /* CreateDWordFieldOp */,
srcbuf, index, name);
}
/* ACPI 2.0a: 17.2.4.2 Named Objects Encoding: DefCreateQWordField */
Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name)
{
return create_field_common(0x8F /* CreateQWordFieldOp */,
srcbuf, index, name);
}
/* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */ /* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */
Aml *aml_string(const char *name_format, ...) Aml *aml_string(const char *name_format, ...)
{ {

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

@ -308,6 +308,7 @@ Aml *aml_mutex(const char *name, uint8_t sync_level);
Aml *aml_acquire(Aml *mutex, uint16_t timeout); Aml *aml_acquire(Aml *mutex, uint16_t timeout);
Aml *aml_release(Aml *mutex); Aml *aml_release(Aml *mutex);
Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name); 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); Aml *aml_varpackage(uint32_t num_elements);
Aml *aml_touuid(const char *uuid); Aml *aml_touuid(const char *uuid);
Aml *aml_unicode(const char *str); Aml *aml_unicode(const char *str);