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acpi: add aml_reserved_field() term 

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>
master
Igor Mammedov 2015-02-18 19:14:45 +00:00 committed by Michael S. Tsirkin
parent ddf1ec2ffe
commit e2ea299b01
2 changed files with 16 additions and 0 deletions
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10
hw/acpi/aml-build.c
View File

@ -598,6 +598,16 @@ Aml *aml_named_field(const char *name, unsigned length)
return var;
}
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: ReservedField */
Aml *aml_reserved_field(unsigned length)
{
Aml *var = aml_alloc();
/* ReservedField := 0x00 PkgLength */
build_append_byte(var->buf, 0x00);
build_append_pkg_length(var->buf, length, false);
return var;
}
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefField */
Aml *aml_field(const char *name, AmlFieldFlags flags)
{

6
include/hw/acpi/aml-build.h
View File

@ -29,7 +29,12 @@ typedef enum {
} AmlIODecode;
typedef enum {
aml_any_acc = 0,
aml_byte_acc = 1,
aml_word_acc = 2,
aml_dword_acc = 3,
aml_qword_acc = 4,
aml_buffer_acc = 5,
} AmlFieldFlags;
typedef enum {
@ -91,6 +96,7 @@ Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base,
Aml *aml_operation_region(const char *name, AmlRegionSpace rs,
uint32_t offset, uint32_t len);
Aml *aml_named_field(const char *name, unsigned length);
Aml *aml_reserved_field(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);