From 95cb06619092130eb41e68b2541e04aedb48b046 Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Thu, 10 Dec 2015 00:40:56 +0100 Subject: [PATCH] acpi: add aml_derefof Implement DeRefOf term which is used by NVDIMM _DSM method in later patch Reviewed-by: Igor Mammedov Signed-off-by: Xiao Guangrong Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- 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 363e83b851..501a98847e 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1240,6 +1240,14 @@ 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 9fa61a3f6e..89fb15e8e4 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -307,6 +307,7 @@ 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,