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[Qemu-devel] [PATCH v4 for-2.3 09/25] acpi: add aml_while() term


From: Marcel Apfelbaum
Subject: [Qemu-devel] [PATCH v4 for-2.3 09/25] acpi: add aml_while() term
Date: Sun, 8 Mar 2015 13:16:11 +0200

Add encoding for ACPI DefWhile Opcode.

Reviewed-by: Igor Mammedov <address@hidden>
Signed-off-by: Marcel Apfelbaum <address@hidden>
---
 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 6315ea0..f85a0fb 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -623,6 +623,14 @@ Aml *aml_if(Aml *predicate)
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefWhile */
+Aml *aml_while(Aml *predicate)
+{
+    Aml *var = aml_bundle(0xA2 /* WhileOp */, AML_PACKAGE);
+    aml_append(var, predicate);
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */
 Aml *aml_method(const char *name, int arg_count)
 {
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index c41f400..4f695a2 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -189,6 +189,7 @@ Aml *aml_scope(const char *name_format, ...) 
GCC_FMT_ATTR(1, 2);
 Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 Aml *aml_method(const char *name, int arg_count);
 Aml *aml_if(Aml *predicate);
+Aml *aml_while(Aml *predicate);
 Aml *aml_package(uint8_t num_elements);
 Aml *aml_buffer(void);
 Aml *aml_resource_template(void);
-- 
2.1.0




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