stm32l4: enable FPU in chipset specific startup.
Helpful if you don't like seeing: (gdb) vecstate HardFault: forced due to escalated or disabled configurable fault (see below) UsageFault due to access to disabled/absent coprocessor
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@ -4,6 +4,8 @@
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# include "../stm32/f4/vector_chipset.c"
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#elif defined(STM32F7)
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# include "../stm32/f7/vector_chipset.c"
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#elif defined(STM32L4)
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# include "../stm32/l4/vector_chipset.c"
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#elif defined(LPC43XX_M4)
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# include "../lpc43xx/m4/vector_chipset.c"
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#elif defined(VF6XX)
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@ -0,0 +1,27 @@
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>
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* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/cm3/scb.h>
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static void pre_main(void)
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{
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/* Enable access to Floating-Point coprocessor. */
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SCB_CPACR |= SCB_CPACR_FULL * (SCB_CPACR_CP10 | SCB_CPACR_CP11);
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}
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