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Code Releases Activity

cpu/arm7_common: Moved compiler flags here

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- Moved compiler & linker flags from boards/common/msba2 to cpu/arm7_common
- Moved dependency to newlib nano to cpu/arm7_common
- Moved config to link in cpu/startup.o to cpu/arm7_common
This commit is contained in:
Marian Buschsieweke 2019-07-23 06:48:12 +02:00
parent 720db1ab1e
commit 7092566f1f
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GPG Key ID: 61F64C6599B1539F
2 changed files with 22 additions and 18 deletions
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16
boards/common/msba2/Makefile.include
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@ -19,23 +19,7 @@ PORT_DARWIN ?= /dev/tty.usbserial-ARM
PYTERMFLAGS += -tg
include $(RIOTMAKE)/tools/serial.inc.mk
CFLAGS_CPU = -mcpu=arm7tdmi-s
CFLAGS_LINK = -ffunction-sections -fdata-sections -fno-builtin -fshort-enums
CFLAGS_DBG ?= -ggdb -g3
CFLAGS_OPT ?= -Os
CFLAGS += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
ASFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG)
export LINKFLAGS += -T$(RIOTCPU)/$(CPU)/ldscripts/$(CPU).ld
export LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT) -static -lgcc -nostartfiles
export LINKFLAGS += -Wl,--gc-sections
# use the nano-specs of Newlib when available
USEMODULE += newlib_nano
FLASHFILE ?= $(HEXFILE)
FFLAGS = $(PORT) $(FLASHFILE)
INCLUDES += -I$(RIOTBOARD)/common/msba2/include
export UNDEF += $(BINDIR)/cpu/startup.o

24
cpu/arm7_common/Makefile.include
View File

@ -1,6 +1,26 @@
# Target architecture for the build. Use arm-none-eabi if you are unsure.
export TARGET_ARCH ?= arm-none-eabi
USEMODULE += arm7_common_periph
INCLUDES += -I$(RIOTBASE)/cpu/arm7_common/include/
# use common ARM7 periph code
USEMODULE += arm7_common_periph
# use the nano-specs of Newlib when available
USEMODULE += newlib_nano
# currently only arm7tdmi-s is supported by RIOT, but allow overriding MCPU
# if someone wants to add support for other ARM7 CPUs
MCPU ?= arm7tdmi-s
CFLAGS_CPU = -mcpu=$(MCPU)
CFLAGS_LINK = -ffunction-sections -fdata-sections -fno-builtin -fshort-enums
CFLAGS_DBG ?= -ggdb -g3
CFLAGS_OPT ?= -Os
CFLAGS += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
ASFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG)
export LINKFLAGS += -T$(RIOTCPU)/$(CPU)/ldscripts/$(CPU).ld
export LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT) -static -lgcc -nostartfiles
export LINKFLAGS += -Wl,--gc-sections
export UNDEF += $(BINDIR)/cpu/startup.o