33,58 → 33,21 |
ARCH = ia32 |
endif |
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## Common compiler flags |
# |
SOURCES = \ |
libc \ |
init |
|
DEFS = -DARCH=$(ARCH) |
CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Ilibc/include |
LFLAGS = -M |
AFLAGS = |
CLEANS := $(addsuffix .clean,$(SOURCES)) |
|
## Setup platform configuration |
# |
.PHONY: all $(SOURCES) $(CLEANS) clean |
|
include libc/arch/$(ARCH)/Makefile.inc |
all: $(SOURCES) |
|
## Toolchain configuration |
# |
clean: $(CLEANS) |
find $(SOURCES) -name '*.o' -follow -exec rm \{\} \; |
|
ifeq ($(COMPILER),native) |
CC = gcc |
AS = as |
LD = ld |
OBJCOPY = objcopy |
OBJDUMP = objdump |
else |
CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc |
AS = $(TOOLCHAIN_DIR)/$(TARGET)-as |
LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld |
OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy |
OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump |
endif |
$(CLEANS): |
$(MAKE) -C $(basename $@) clean ARCH=$(ARCH) |
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.PHONY: all clean |
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all: init |
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clean: |
-rm -f init init.map _link.ld *.o |
$(MAKE) -C libc clean ARCH=$(ARCH) |
|
libc/libc.a: |
$(MAKE) -C libc all ARCH=$(ARCH) |
|
_link.ld: _link.ld.in |
$(CC) $(DEFS) $(CFLAGS) -E -x c $< | grep -v "^\#" > $@ |
|
init: init.o libc/libc.a _link.ld |
$(LD) -T _link.ld $(LFLAGS) init.o libc/libc.a -o $@ -Map init.map |
|
%.o: %.S |
$(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ |
|
%.o: %.s |
$(AS) $(AFLAGS) $< -o $@ |
|
%.o: %.c |
$(CC) $(DEFS) $(CFLAGS) -c $< -o $@ |
$(SOURCES): |
$(MAKE) -C $@ all ARCH=$(ARCH) |