diff options
| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-01-08 13:40:44 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-01-08 13:40:44 +0000 |
| commit | e01b1f1f1eeff80a2670e0c7d52619e7dd5a85e2 (patch) | |
| tree | 94a0a5f68e38513ec4a38d986ae40b8e511443b7 /os/ports/RVCT/ARMCMx/chcore_v6m.c | |
| parent | f1c970760f8cf9e5346a6dd02f0a6fbef88c0a6b (diff) | |
| download | ChibiOS-e01b1f1f1eeff80a2670e0c7d52619e7dd5a85e2.tar.gz ChibiOS-e01b1f1f1eeff80a2670e0c7d52619e7dd5a85e2.tar.bz2 ChibiOS-e01b1f1f1eeff80a2670e0c7d52619e7dd5a85e2.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2617 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/ports/RVCT/ARMCMx/chcore_v6m.c')
| -rw-r--r-- | os/ports/RVCT/ARMCMx/chcore_v6m.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/os/ports/RVCT/ARMCMx/chcore_v6m.c b/os/ports/RVCT/ARMCMx/chcore_v6m.c new file mode 100644 index 000000000..6340df81c --- /dev/null +++ b/os/ports/RVCT/ARMCMx/chcore_v6m.c @@ -0,0 +1,56 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 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 RVCT/ARMCMx/chcore_v6m.c
+ * @brief ARMv6-M architecture port code.
+ *
+ * @addtogroup RVCT_ARMCMx_V6M_CORE
+ * @{
+ */
+
+#include "ch.h"
+
+/**
+ * @brief PC register temporary storage.
+ */
+regarm_t _port_saved_pc;
+
+/**
+ * @brief IRQ nesting counter.
+ */
+unsigned _port_irq_nesting;
+
+/**
+ * @brief System Timer vector.
+ * @details This interrupt is used as system tick.
+ * @note The timer must be initialized in the startup code.
+ */
+CH_IRQ_HANDLER(SysTickVector) {
+
+ CH_IRQ_PROLOGUE();
+
+ chSysLockFromIsr();
+ chSysTimerHandlerI();
+ chSysUnlockFromIsr();
+
+ CH_IRQ_EPILOGUE();
+}
+
+/** @} */
|