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[Qemu-devel] [PATCH 19/74] acpi: add aml_to_hexstring()


From: Igor Mammedov
Subject: [Qemu-devel] [PATCH 19/74] acpi: add aml_to_hexstring()
Date: Thu, 10 Dec 2015 00:41:13 +0100

Signed-off-by: Igor Mammedov <address@hidden>
---
 hw/acpi/aml-build.c         | 13 +++++++++++++
 include/hw/acpi/aml-build.h |  1 +
 2 files changed, 14 insertions(+)

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 7500474..c025801 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -436,6 +436,19 @@ Aml *aml_to_integer(Aml *arg)
     return var;
 }
 
+/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToHexString */
+Aml *aml_to_hexstring(Aml *src, Aml *dst)
+{
+    Aml *var = aml_opcode(0x98 /* ToHexStringOp */);
+    aml_append(var, src);
+    if (dst) {
+        aml_append(var, dst);
+    } else {
+        build_append_byte(var->buf, 0x00 /* NullNameOp */);
+    }
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefStore */
 Aml *aml_store(Aml *val, Aml *target)
 {
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 679812b..77bfe0c 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -210,6 +210,7 @@ Aml *aml_return(Aml *val);
 Aml *aml_int(const uint64_t val);
 Aml *aml_arg(int pos);
 Aml *aml_to_integer(Aml *arg);
+Aml *aml_to_hexstring(Aml *src, Aml *dst);
 Aml *aml_store(Aml *val, Aml *target);
 Aml *aml_and(Aml *arg1, Aml *arg2);
 Aml *aml_or(Aml *arg1, Aml *arg2);
-- 
1.8.3.1




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