From 52483d147bfe49e98aa76230f5f90f9f246f44ed Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Thu, 10 Dec 2015 00:40:57 +0100 Subject: [PATCH] acpi: add aml_sizeof Implement SizeOf term which is used by NVDIMM _DSM method in later patch Reviewed-by: Igor Mammedov Signed-off-by: Xiao Guangrong Signed-off-by: Igor Mammedov 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 501a98847e..867afbe688 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1248,6 +1248,14 @@ Aml *aml_derefof(Aml *arg) return var; } +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefSizeOf */ +Aml *aml_sizeof(Aml *arg) +{ + Aml *var = aml_opcode(0x87 /* SizeOfOp */); + 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 89fb15e8e4..b8a0ad2c46 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -308,6 +308,7 @@ Aml *aml_varpackage(uint32_t num_elements); Aml *aml_touuid(const char *uuid); Aml *aml_unicode(const char *str); Aml *aml_derefof(Aml *arg); +Aml *aml_sizeof(Aml *arg); void build_header(GArray *linker, GArray *table_data,