From ed8176a37a8f227e61daddbcf92dc5d1cad45818 Mon Sep 17 00:00:00 2001 From: Shannon Zhao Date: Fri, 29 May 2015 11:28:58 +0100 Subject: [PATCH] hw/acpi/aml-build: Add aml_create_dword_field() term MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Shannon Zhao Signed-off-by: Shannon Zhao Reviewed-by: Alex Bennée Reviewed-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Message-id: 1432522520-8068-20-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell --- hw/acpi/aml-build.c | 11 +++++++++++ include/hw/acpi/aml-build.h | 1 + 2 files changed, 12 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index cfe1b29a4c..2927be1b59 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -738,6 +738,17 @@ Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule) 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) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x8A); /* CreateDWordFieldOp */ + aml_append(var, srcbuf); + aml_append(var, index); + build_append_namestring(var->buf, "%s", name); + return var; +} + /* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */ Aml *aml_string(const char *name_format, ...) { diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index c999ef15a6..ae629951b5 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -259,6 +259,7 @@ Aml *aml_package(uint8_t num_elements); Aml *aml_buffer(int buffer_size, uint8_t *byte_list); Aml *aml_resource_template(void); Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule); +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);