76 lines
2.3 KiB
Makefile
76 lines
2.3 KiB
Makefile
##
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## This file is part of the libopencm3 project.
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##
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## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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## Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@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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LIBNAME = libopencm3_stm32f7
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SRCLIBDIR ?= ../..
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PREFIX ?= arm-none-eabi
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CC = $(PREFIX)-gcc
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AR = $(PREFIX)-ar
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# STM32F7 only supports single precision FPU
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FP_FLAGS ?= -mfloat-abi=hard -mfpu=fpv5-sp-d16
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TGT_CFLAGS = -Os -g \
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-Wall -Wextra -Wimplicit-function-declaration \
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-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
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-Wundef -Wshadow \
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-I../../../include -fno-common \
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-mcpu=cortex-m7 -mthumb $(FP_FLAGS) \
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-Wstrict-prototypes \
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-ffunction-sections -fdata-sections -MD -DSTM32F7
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TGT_CFLAGS += $(STANDARD_FLAGS)
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ARFLAGS = rcs
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OBJS = rcc.o gpio.o gpio_common_all.o gpio_common_f0234.o
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OBJS += rcc_common_all.o flash_common_f234.o flash_common_f24.o
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OBJS += rng_common_v1.o
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VPATH += ../../usb:../:../../cm3:../common
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VPATH += ../../ethernet
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###############################################################################
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# Checking CPU support in the toolchain
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###############################################################################
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# TODO: This check and silent skip of build should be removed, when it will be
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# sure that first compatible toolchain (g-a-e 4.8 2014q3) will be sufficiently
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# penetrated in majority of user stations.
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define MISSING_CPU
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Your toolchain doesn't support -mcpu=cortex-m7.
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Please use gcc-arm-embedded 4.8 2014q3 or newer. Skipping this sub-library.
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endef
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ifneq ($(shell $(CC) --help=target | grep -q '\<cortex-m7\>'; echo $$?),0)
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$(warning $(MISSING_CPU))
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all clean:
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@true
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$(SRCLIBDIR)/$(LIBNAME).a:
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@true
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else
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include ../../Makefile.include
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endif
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