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EFM32WG and EZR32WG: use hard-fp as it's available

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This commit is contained in:
kbob 2016-02-17 18:07:13 -08:00 committed by Karl Palsson
parent e8154aa44a
commit dd87b5bed2
5 changed files with 60 additions and 1 deletions
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5
lib/dispatch/vector_chipset.c
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@ -12,7 +12,10 @@
# include "../lpc43xx/m4/vector_chipset.c"
#elif defined(VF6XX)
# include "../vf6xx/vector_chipset.c"
#elif defined(EFM32WG)
# include "../efm32/wg/vector_chipset.c"
#elif defined(EZR32WG)
# include "../efm32/ezr32wg/vector_chipset.c"
#else
static void pre_main(void) {}

1
lib/efm32/ezr32wg/Makefile
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@ -23,6 +23,7 @@ LIBNAME = libopencm3_ezr32wg
SRCLIBDIR ?= ../..
FAMILY = EZR32WG
FP_FLAGS ?= -mfloat-abi=hard -mfpu=fpv4-sp-d16
PREFIX ?= arm-none-eabi
#PREFIX ?= arm-elf
CC = $(PREFIX)-gcc

27
lib/efm32/ezr32wg/vector_chipset.c Normal file
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@ -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/cm3/scb.h>
static void pre_main(void)
{
/* Enable access to Floating-Point coprocessor. */
SCB_CPACR |= SCB_CPACR_FULL * (SCB_CPACR_CP10 | SCB_CPACR_CP11);
}

1
lib/efm32/wg/Makefile
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@ -23,6 +23,7 @@ LIBNAME = libopencm3_efm32wg
SRCLIBDIR ?= ../..
FAMILY = EFM32WG
FP_FLAGS ?= -mfloat-abi=hard -mfpu=fpv4-sp-d16
PREFIX ?= arm-none-eabi
#PREFIX ?= arm-elf
CC = $(PREFIX)-gcc

27
lib/efm32/wg/vector_chipset.c Normal file
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@ -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/cm3/scb.h>
static void pre_main(void)
{
/* Enable access to Floating-Point coprocessor. */
SCB_CPACR |= SCB_CPACR_FULL * (SCB_CPACR_CP10 | SCB_CPACR_CP11);
}