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69 lines
2.0 KiB
Makefile
69 lines
2.0 KiB
Makefile
# Target triple for the build.
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TARGET_ARCH_MIPS ?= mips-mti-elf
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TARGET_ARCH ?= $(TARGET_ARCH_MIPS)
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ABI = 32
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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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# 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)__$(call lowercase,$(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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# Otherwise we get an error about a missing declaration of strnlen in some parts.
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ifeq (, $(filter -std=%, $(CFLAGS)))
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CFLAGS += -std=gnu11
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endif
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CFLAGS_CPU = -EL -mabi=$(ABI)
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CFLAGS_LINK = -ffunction-sections -fno-builtin -fshort-enums -fdata-sections
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CFLAGS_DBG ?= -g3
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CFLAGS_OPT ?= -Os
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CFLAGS += $(CFLAGS_CPU) $(CFLAGS_LINK) $(CFLAGS_OPT) $(CFLAGS_DBG)
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CFLAGS += -DCPU_MODEL_$(call uppercase_and_underscore,$(CPU_MODEL))
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ifeq ($(USE_HARD_FLOAT),1)
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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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CFLAGS += -msoft-float
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LINKFLAGS += -msoft-float
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endif
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ifeq ($(USE_DSP),1)
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CFLAGS += -mdsp -DMIPS_DSP
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endif
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ifeq ($(TOOLCHAIN),llvm)
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# The MIPS toolchain headers in assembly mode are not compatible with Clang
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CCAS = $(PREFIX)gcc
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CCASUWFLAGS += -target $(TARGET_ARCH)
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endif
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ASFLAGS += $(CFLAGS_CPU) $(CFLAGS_OPT) $(CFLAGS_DBG)
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LINKFLAGS += $(MIPS_HAL_LDFLAGS)
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LINKFLAGS += -L$(RIOTCPU)/$(CPU)/ldscripts
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LINKFLAGS += $(CFLAGS_CPU) $(CFLAGS_DBG) $(CFLAGS_OPT)
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LINKFLAGS += -Wl,--gc-sections
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# XFA support
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LINKFLAGS += -T$(RIOTCPU)/mips_pic32_common/ldscripts/xfa.ld
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OPTIONAL_CFLAGS_BLACKLIST += -Wformat-overflow
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OPTIONAL_CFLAGS_BLACKLIST += -Wformat-truncation
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OPTIONAL_CFLAGS_BLACKLIST += -gz
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