81 lines
1.8 KiB
Makefile
81 lines
1.8 KiB
Makefile
export SHELLOPTS := igncr
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NAME := cp15
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OBJ := cp15 mrc
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.PHONY : help all gnu arm clean
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help:
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@echo "Valid targets:"
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@echo " all : build 'gnu' and 'arm'"
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@echo " gnu : build $(NAME).gnu.bin with GCC"
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@echo " arm : build $(NAME).arm.bin with ARM RealView compiler"
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@echo " clean : delete all o-files, elf-files and bin-files"
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all: gnu arm
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##### GNU compiler (gcc) #####
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CCGRP := arm-none-eabi-
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GCPU := -march=armv4t -marm -mlittle-endian -msoft-float
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GAOPT := -Wall $(GCPU) -xassembler-with-cpp
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GCOPT := -Wall $(GCPU) -fPIE -fshort-enums -fno-zero-initialized-in-bss
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GLOPT := -Wall $(GCPU) -Wl,--nmagic -nostdlib -Wl,--entry=usraccess
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ifneq ($(DEBUG),)
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GAOPT += -Wa,--gdwarf2
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GCOPT += -g
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else
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GCOPT += -Os
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endif
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.PHONY : gnu
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gnu: $(NAME).gnu.bin
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%.gnu.o: %.c $(MAKEFILE_LIST)
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$(CCGRP)gcc $(GCOPT) -c -o $@ $<
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%.gnu.o: %.sx $(MAKEFILE_LIST)
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$(CCGRP)gcc $(GAOPT) -c -o $@ $<
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.PRECIOUS: %.gnu.elf
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%.gnu.elf: usraccess.gnu.ld $(addsuffix .gnu.o, $(OBJ))
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$(CCGRP)gcc $(GLOPT) -o $@ -T $^
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%.gnu.bin : %.gnu.elf
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$(CCGRP)objcopy -O binary $< $@
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##### ARM RealView or Development Studio compiler (armcc) #####
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ACPU := --cpu=4T --littleend
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AAOPT := $(ACPU) --arm
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ACOPT := $(ACPU) --apcs=/fpic --bss_threshold=8
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ALOPT := $(ACPU) --no_startup --diag_suppress=L6314 --entry=usraccess
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ifneq ($(DEBUG),)
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AAOPT += --debug --dwarf3
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ACOPT += --debug --dwarf3 -O0
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ALOPT += --debug --bestdebug
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else
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ACOPT += -Ospace
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endif
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.PHONY : arm
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arm: $(NAME).arm.bin
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%.arm.o: %.c $(MAKEFILE_LIST)
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armcc $(ACOPT) -c -o $@ $<
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%.arm.o: %.sx $(MAKEFILE_LIST)
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armcc $(AAOPT) -c -o $@ $<
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.PRECIOUS: %.arm.elf
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%.arm.elf: usraccess.arm.ld $(addsuffix .arm.o, $(OBJ))
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armlink $(ALOPT) -o $@ --scatter $^
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%.arm.bin: %.arm.elf
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fromelf --bin --output $@ $<
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clean:
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rm -fv *.o
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rm -fv *.elf
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rm -fv *.bin
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