From 3bdf817950eadd75a2785b62220eb0b04533b9fd Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Wed, 16 Sep 2020 11:48:29 +0200
Subject: spec: Group items by component

---
 spec/rtems/basedefs/if/compiler-memory-barrier.yml | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 spec/rtems/basedefs/if/compiler-memory-barrier.yml

(limited to 'spec/rtems/basedefs/if/compiler-memory-barrier.yml')

diff --git a/spec/rtems/basedefs/if/compiler-memory-barrier.yml b/spec/rtems/basedefs/if/compiler-memory-barrier.yml
new file mode 100644
index 00000000..709eb350
--- /dev/null
+++ b/spec/rtems/basedefs/if/compiler-memory-barrier.yml
@@ -0,0 +1,28 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+brief: |
+  This macro forbids the compiler to reorder read and write commands around it.
+copyrights:
+- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+definition:
+  default: |
+    do { } while ( 0 )
+  variants:
+  - definition: |
+      ${/compiler/if/asm:/name} volatile( "" ::: "memory" )
+    enabled-by:
+    - defined(${/compiler/if/gnuc:/name})
+description: null
+enabled-by: true
+interface-type: macro
+links:
+- role: interface-placement
+  uid: header
+- role: interface-ingroup
+  uid: group
+name: RTEMS_COMPILER_MEMORY_BARRIER
+notes: null
+params: []
+return:
+  return: null
+  return-values: []
+type: interface
-- 
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