Initial import of NFC GNSS SDK project
This commit is contained in:
chenjintao
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# Target triple for the build. Use arm-none-eabi if you are unsure.
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export TARGET_ARCH ?= arm-none-eabi
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# define build specific options
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export CFLAGS_CPU = -mcpu=$(MCPU) -mlittle-endian -mthumb $(CFLAGS_FPU)
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ifneq (llvm,$(TOOLCHAIN))
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# Clang (observed with v3.7) does not understand -mno-thumb-interwork, only add if
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# not building with LLVM
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export CFLAGS += -mno-thumb-interwork
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endif
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export CFLAGS_LINK = -ffunction-sections -fdata-sections -fno-builtin -fshort-enums
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export CFLAGS_DBG ?= -ggdb -g
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export CFLAGS_OPT ?= -Os
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export CFLAGS += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
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export ASFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG)
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export LINKER_SCRIPT ?= $(LDSCRIPT)
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export LINKFLAGS += -T$(LINKER_SCRIPT) -Wl,--fatal-warnings
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export LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT) -static -lgcc -nostartfiles
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export LINKFLAGS += -Wl,--gc-sections
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# all cortex MCU's use newlib as libc
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export USEMODULE += newlib
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# set default for CPU_MODEL
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export CPU_MODEL ?= $(CPU)
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# Temporary LLVM/Clang Workaround:
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# report cortex-m0 instead of cortex-m0plus if llvm/clang (<= 3.6.2) is used
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# llvm/clang version 3.6.2 still does not support the cortex-m0plus mcpu type
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ifeq (llvm,$(TOOLCHAIN))
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ifeq (cortex-m0plus,$(CPU_ARCH))
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LLVM_UNSUP = $(shell clang -target arm-none-eabi -mcpu=$(CPU_ARCH) -c -x c /dev/null -o /dev/null \
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> /dev/null 2>&1 || echo 1 )
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ifeq (1,$(LLVM_UNSUP))
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CPU_ARCH = cortex-m0
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endif
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endif
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endif
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# export the CPU model and architecture
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MODEL = $(shell echo $(CPU_MODEL) | tr 'a-z' 'A-Z')
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export CFLAGS += -DCPU_MODEL_$(MODEL)
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ARCH = $(shell echo $(CPU_ARCH) | tr 'a-z-+' 'A-Z__')
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export CFLAGS += -DCPU_ARCH_$(ARCH)
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# set the compiler specific CPU and FPU options
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ifeq ($(CPU_ARCH),cortex-m4f)
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# TODO: enable hard floating points for the M4F once the context save/restore
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# code is adjusted to take care of FPU registers
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#export CFLAGS_FPU += -mfloat-abi=hard -mfpu=fpv4-sp-d16
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export MCPU := cortex-m4
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endif
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CFLAGS_FPU ?= -mfloat-abi=soft
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export MCPU ?= $(CPU_ARCH)
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# CMSIS DSP needs to know about the CPU core
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ifneq (,$(filter cmsis-dsp,$(USEPKG)))
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# definition needed to use cmsis-dsp headers
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ifeq ($(CPU_ARCH),cortex-m0)
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export CFLAGS += -DARM_MATH_CM0
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else ifeq ($(CPU_ARCH),cortex-m0plus)
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export CFLAGS += -DARM_MATH_CM0PLUS
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else ifeq ($(CPU_ARCH),cortex-m3)
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export CFLAGS += -DARM_MATH_CM3
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else ifeq ($(CPU_ARCH),cortex-m4)
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export CFLAGS += -DARM_MATH_CM4
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else ifeq ($(CPU_ARCH),cortex-m4f)
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export CFLAGS += -DARM_MATH_CM4
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else ifeq ($(CPU_ARCH),cortex-m7)
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export CFLAGS += -DARM_MATH_CM7
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endif
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endif
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export SOURCE_LDSCRIPT = $(RIOTCPU)/$(CPU)/ldscripts/$(LINKER_SOURCE_SCRIPT)
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export LDSCRIPT = $(BINDIR)/$(CPU_MODEL).ld
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# use the nano-specs of Newlib when available
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USEMODULE += newlib_nano
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export USE_NANO_SPECS = 1
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# Avoid overriding the default rule:
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all:
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# Rule to generate assembly listings from ELF files:
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%.lst: %.elf
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$(OBJDUMP) $(OBJDUMPFLAGS) $< > $@
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### This rule is used to generate the correct linker script
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LDGENFLAGS += $(CFLAGS)
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LDGENFLAGS += -x c -P -E
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# NB: Assumes LDSCRIPT was not overridden and is in $(OBJECTDIR)
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$(LDSCRIPT): $(SOURCE_LDSCRIPT) $(RIOTBUILD_CONFIG_HEADER_C) | $(BINDIR)
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$(Q)$(CC) $(LDGENFLAGS) $< | grep -v '^\s*#\s*pragma\>' > $@
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@@ -0,0 +1 @@
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include $(RIOTMAKE)/arch/cortex-common.inc.mk
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@@ -0,0 +1 @@
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include $(RIOTMAKE)/arch/cortex-common.inc.mk
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@@ -0,0 +1 @@
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include $(RIOTMAKE)/arch/cortex-common.inc.mk
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@@ -0,0 +1,66 @@
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# Target triple for the build.
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export TARGET_ARCH ?= mips-mti-elf
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export ABI=32
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# Portable 'lowercase' func.
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lc = $(subst A,a,$(subst B,b,$(subst C,c,$(subst D,d,$(subst E,e,$(subst F,f,$(subst G,g,$(subst H,h,$(subst I,i,$(subst J,j,$(subst K,k,$(subst L,l,$(subst M,m,$(subst N,n,$(subst O,o,$(subst P,p,$(subst Q,q,$(subst R,r,$(subst S,s,$(subst T,t,$(subst U,u,$(subst V,v,$(subst W,w,$(subst X,x,$(subst Y,y,$(subst Z,z,$1))))))))))))))))))))))))))
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# Default values for the linker script symbols listed below are
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# defined in the linker script.
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# These are linker script symbols that are prefixed with '__"
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priv_symbols = MEMORY_BASE MEMORY_SIZE STACK
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priv_symbols += ENABLE_XPA
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priv_symbols += FLUSH_TO_ZERO
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priv_symbols += FLASH_START APP_START FLASH_APP_START
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priv_symbols += ISR_VEC_SPACE ISR_VECTOR_COUNT
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comma := ,
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# A bit of makefile magic:
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# foreach symbol in overridable ld-symbols :
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# If symbol has a value, produce a linker argument for that symbol.
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MIPS_HAL_LDFLAGS = $(foreach a,$(priv_symbols),$(if $($a),-Wl$(comma)--defsym$(comma)__$(call lc,$(a))=$($a)))
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ifeq ($(ROMABLE),1)
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MIPS_HAL_LDFLAGS += -T bootcode.ld
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endif
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# define build specific options
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# Remove -std=gnu99 once the MIPS toolchain headers are updated to include upstream
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# newlib commit 81c17949f0419d1c4fee421c60987ea1149522ae
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# https://cygwin.com/git/gitweb.cgi?p=newlib-cygwin.git;a=commitdiff;h=81c17949f0419d1c4fee421c60987ea1149522ae
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# Otherwise we get an error about a missing declaration of strnlen in some parts.
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export CFLAGS += -std=gnu99
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export CFLAGS_CPU = -EL -mabi=$(ABI)
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export CFLAGS_LINK = -ffunction-sections -fno-builtin -fshort-enums -fdata-sections
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export CFLAGS_DBG = -g3
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export CFLAGS_OPT = -Os
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export CFLAGS += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_OPT) $(CFLAGS_DBG)
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ifeq ($(USE_HARD_FLOAT),1)
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export CFLAGS += -mhard-float -DMIPS_HARD_FLOAT
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else
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#hard-float is the default so we must set soft-float
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export CFLAGS += -msoft-float
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export LINKFLAGS += -msoft-float
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endif
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ifeq ($(USE_DSP),1)
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export CFLAGS += -mdsp -DMIPS_DSP
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endif
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ifeq ($(TOOLCHAIN),llvm)
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# The MIPS toolchain headers in assembly mode are not compatible with Clang
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export CCAS = $(PREFIX)gcc
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export CCASUWFLAGS += -target $(TARGET_ARCH)
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endif
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export ASFLAGS += $(CFLAGS_CPU) $(CFLAGS_OPT) $(CFLAGS_DBG)
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export LINKFLAGS += $(MIPS_HAL_LDFLAGS)
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export LINKFLAGS += -L$(RIOTCPU)/$(CPU)/ldscripts
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export LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT)
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export LINKFLAGS += -Wl,--gc-sections
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@@ -0,0 +1,14 @@
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# Target architecture for the build. Use msp430 if you are unsure.
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export TARGET_ARCH ?= msp430
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# define build specific options
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CFLAGS_CPU = -mmcu=$(CPU_MODEL) -std=gnu99
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CFLAGS_LINK = -ffunction-sections -fdata-sections
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CFLAGS_DBG ?= -gdwarf-2
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CFLAGS_OPT ?= -Os
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# export compiler flags
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export CFLAGS += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
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# export assmebly flags
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export ASFLAGS += $(CFLAGS_CPU) --defsym $(CPU_MODEL)=1 $(CFLAGS_DBG)
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# export linker flags
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export LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT) -Wl,--gc-sections -static -lgcc
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@@ -0,0 +1,4 @@
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include $(RIOTMAKE)/arch/riscv.inc.mk
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export CFLAGS_CPU = -march=rv32imc_zicsr -mabi=ilp32
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@@ -0,0 +1,54 @@
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# Target triple for the build. Use riscv-none-elf if you are unsure.
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export TARGET_ARCH ?= riscv-none-elf
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export CFLAGS_LINK = -ffunction-sections -fdata-sections -fno-builtin -fshort-enums
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export CFLAGS_DBG ?= -ggdb -g
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export CFLAGS_OPT ?= -Os
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export CPU_ARCH = riscv
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export CFLAGS += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_DBG) $(CFLAGS_OPT)
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export ASFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG)
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export LINKER_SCRIPT ?= $(LDSCRIPT)
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export LINKFLAGS += -T$(LINKER_SCRIPT) -Wl,--fatal-warnings
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export LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT) -static -lgcc -nostartfiles
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export LINKFLAGS += -Wl,--gc-sections -Wl,--no-warn-rwx-segments -Wl,--no-warn-mismatch
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# all cortex MCU's use newlib as libc
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export USEMODULE += newlib
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# set default for CPU_MODEL
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export CPU_MODEL ?= $(CPU)
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# export the CPU model and architecture
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MODEL = $(shell echo $(CPU_MODEL) | tr 'a-z' 'A-Z')
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export CFLAGS += -DCPU_MODEL_$(MODEL)
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ARCH = $(shell echo $(CPU_ARCH) | tr 'a-z-+' 'A-Z__')
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export CFLAGS += -DCPU_ARCH_$(ARCH)
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# set the compiler specific CPU and FPU options
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export MCPU ?= $(CPU_ARCH)
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export SOURCE_LDSCRIPT = $(RIOTCPU)/$(CPU)/ldscripts/$(LINKER_SOURCE_SCRIPT)
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$(inifo $(SOURCE_LDSCRIPT))
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export LDSCRIPT = $(BINDIR)/$(CPU_MODEL).ld
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# use the nano-specs of Newlib when available
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USEMODULE += newlib_nano
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export USE_NANO_SPECS = 1
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# Avoid overriding the default rule:
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all:
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# Rule to generate assembly listings from ELF files:
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%.lst: %.elf
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$(OBJDUMP) $(OBJDUMPFLAGS) $< > $@
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### This rule is used to generate the correct linker script
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LDGENFLAGS += $(CFLAGS)
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LDGENFLAGS += -x c -P -E
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# NB: Assumes LDSCRIPT was not overridden and is in $(OBJECTDIR)
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$(LDSCRIPT): $(SOURCE_LDSCRIPT) $(RIOTBUILD_CONFIG_HEADER_C) | $(BINDIR)
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$(Q)$(CC) $(LDGENFLAGS) $< | grep -v '^\s*#\s*pragma\>' > $@
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