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authorchrysn2012-10-18 18:54:52 +0200
committerchrysn2012-10-18 18:54:52 +0200
commit0548317683f2dacce4c895f2460c0f7762ee8b40 (patch)
treecc56798bbdcc3b717c26849e343f2d38632a6250 /lib/stm32/f4/vector_chipset.c
parent771f504757e0ac5553c95308ce66412b417fa8d1 (diff)
fix bug resulting from equally named files
the local vector.o files shadowed the ../cm3/vector.c from VPATH, resulting in empty reset vectors.
Diffstat (limited to 'lib/stm32/f4/vector_chipset.c')
-rw-r--r--lib/stm32/f4/vector_chipset.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/stm32/f4/vector_chipset.c b/lib/stm32/f4/vector_chipset.c
new file mode 100644
index 0000000..5304299
--- /dev/null
+++ b/lib/stm32/f4/vector_chipset.c
@@ -0,0 +1,27 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
+ * Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/f4/scb.h>
+
+static void pre_main(void)
+{
+ /* Enable access to Floating-Point coprocessor. */
+ SCB_CPACR |= SCB_CPACR_FULL * (SCB_CPACR_CP10 | SCB_CPACR_CP11);
+}