Implement DeRefOf term which is used by NVDIMM _DSM method in later patch
Reviewed-by: Igor Mammedov <[email protected]>
Signed-off-by: Xiao Guangrong <[email protected]>
---
hw/acpi/aml-build.c | 8 ++++++++
include/hw/acpi/aml-build.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 0d4b324..cbd53f4 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1135,6 +1135,14 @@ Aml *aml_unicode(const char *str)
return var;
}
+/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefDerefOf */
+Aml *aml_derefof(Aml *arg)
+{
+ Aml *var = aml_opcode(0x83 /* DerefOfOp */);
+ aml_append(var, arg);
+ return var;
+}
+
void
build_header(GArray *linker, GArray *table_data,
AcpiTableHeader *h, const char *sig, int len, uint8_t rev)
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 1b632dc..5a03d33 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -274,6 +274,7 @@ Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const
char *name);
Aml *aml_varpackage(uint32_t num_elements);
Aml *aml_touuid(const char *uuid);
Aml *aml_unicode(const char *str);
+Aml *aml_derefof(Aml *arg);
void
build_header(GArray *linker, GArray *table_data,
--
1.8.3.1
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