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Re: [Qemu-devel] [PATCH 11/74] acpi: add aml_to_integer()


From: Marcel Apfelbaum
Subject: Re: [Qemu-devel] [PATCH 11/74] acpi: add aml_to_integer()
Date: Thu, 10 Dec 2015 15:05:37 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0

On 12/10/2015 01:41 AM, Igor Mammedov wrote:
Signed-off-by: Igor Mammedov <address@hidden>
---
  hw/acpi/aml-build.c         | 9 +++++++++
  include/hw/acpi/aml-build.h | 1 +
  2 files changed, 10 insertions(+)

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 50587de..1f599e3 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -427,6 +427,15 @@ Aml *aml_arg(int pos)
      return var;
  }

+/* ACPI 2.0a: 17.2.4.4 Type 2 Opcodes Encoding: DefToInteger */
+Aml *aml_to_integer(Aml *arg)
+{
+    Aml *var = aml_opcode(0x99 /* ToIntegerOp */);
+    aml_append(var, arg);
+    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 117ef46..d28bfe6 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -198,6 +198,7 @@ Aml *aml_name_decl(const char *name, Aml *val);
  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_store(Aml *val, Aml *target);
  Aml *aml_and(Aml *arg1, Aml *arg2);
  Aml *aml_or(Aml *arg1, Aml *arg2);


Reviewed-by: Marcel Apfelbaum <address@hidden>



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