[SeaBIOS] [Qemu-devel] [PATCH v3 for-2.3 01/24] acpi: add aml_or() term

Marcel Apfelbaum marcel at redhat.com
Thu Mar 5 15:54:59 CET 2015


Add encoding for ACPI DefOr Opcode.

Signed-off-by: Marcel Apfelbaum <marcel at redhat.com>
---
 hw/acpi/aml-build.c         | 10 ++++++++++
 include/hw/acpi/aml-build.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 876cada..a31f88e 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -448,6 +448,16 @@ Aml *aml_and(Aml *arg1, Aml *arg2)
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefOr */
+Aml *aml_or(Aml *arg1, Aml *arg2)
+{
+    Aml *var = aml_opcode(0x7D /* OrOp */);
+    aml_append(var, arg1);
+    aml_append(var, arg2);
+    build_append_int(var->buf, 0x00); /* NullNameOp */
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */
 Aml *aml_notify(Aml *arg1, Aml *arg2)
 {
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index f6735ea..84d4180 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -137,6 +137,7 @@ Aml *aml_int(const uint64_t val);
 Aml *aml_arg(int pos);
 Aml *aml_store(Aml *val, Aml *target);
 Aml *aml_and(Aml *arg1, Aml *arg2);
+Aml *aml_or(Aml *arg1, Aml *arg2);
 Aml *aml_notify(Aml *arg1, Aml *arg2);
 Aml *aml_call1(const char *method, Aml *arg1);
 Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2);
-- 
2.1.0




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