From 1b9ed43ffceb80d38a15556c69739d1be87c91af Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Fri, 24 Jan 2014 14:11:01 +0000
Subject: Relocated OSALs under the HAL tree, adjusted all makefiles.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6641 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/osal/nil/osal.c | 118 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 os/hal/osal/nil/osal.c

(limited to 'os/hal/osal/nil/osal.c')

diff --git a/os/hal/osal/nil/osal.c b/os/hal/osal/nil/osal.c
new file mode 100644
index 000000000..d2927bc12
--- /dev/null
+++ b/os/hal/osal/nil/osal.c
@@ -0,0 +1,118 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+                 2011,2012,2013 Giovanni Di Sirio.
+
+    This file is part of ChibiOS/RT.
+
+    ChibiOS/RT is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/RT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    osal.c
+ * @brief   OSAL module code.
+ *
+ * @addtogroup OSAL
+ * @{
+ */
+
+#include "osal.h"
+
+/*===========================================================================*/
+/* Module local definitions.                                                 */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local types.                                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module exported functions.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   Dequeues and wakes up one thread from the queue, if any.
+ *
+ * @param[in] tqp       pointer to the threads queue object
+ * @param[in] msg       the message code
+ *
+ * @iclass
+ */
+void osalThreadDequeueNextI(threads_queue_t *tqp, msg_t msg) {
+  semaphore_t *sp = &tqp->sem;
+
+  if (chSemGetCounterI(&tqp->sem) < 0) {
+    thread_reference_t tr = nil.threads;
+    while (true) {
+      /* Is this thread waiting on this semaphore?*/
+      if (tr->u1.semp == sp) {
+        sp->cnt++;
+
+        chDbgAssert(NIL_THD_IS_WTSEM(tr), "not waiting");
+
+        chSchReadyI(tr, msg);
+        return;
+      }
+      tr++;
+
+      chDbgAssert(tr < &nil.threads[NIL_CFG_NUM_THREADS],
+                  "pointer out of range");
+    }
+  }
+}
+
+/**
+ * @brief   Dequeues and wakes up all threads from the queue.
+ *
+ * @param[in] tqp       pointer to the threads queue object
+ * @param[in] msg       the message code
+ *
+ * @iclass
+ */
+void osalThreadDequeueAllI(threads_queue_t *tqp, msg_t msg) {
+  semaphore_t *sp = &tqp->sem;
+  thread_reference_t tr;
+  cnt_t cnt;
+
+  cnt = sp->cnt;
+  sp->cnt = 0;
+  tr = nil.threads;
+  while (cnt < 0) {
+    /* Is this thread waiting on this semaphore?*/
+    if (tr->u1.semp == sp) {
+
+      chDbgAssert(NIL_THD_IS_WTSEM(tr), "not waiting");
+
+      cnt++;
+      chSchReadyI(tr, msg);
+    }
+    tr++;
+
+    chDbgAssert(tr < &nil.threads[NIL_CFG_NUM_THREADS],
+                "pointer out of range");
+  }
+}
+
+/** @} */
-- 
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