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CC = arm_1103_le-gcc
LD = arm_1103_le-ld
ASFLAGS = -nostdinc -D__KERNEL__ -mlittle-endian -D__ASSEMBLY__ -mabi=aapcs-linux -mno-thumb-interwork -march=armv7-a -msoft-float -gdwarf-2 -Wa,-march=all
CFLAGS = -nostdinc -D__KERNEL__ -mlittle-endian -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -fno-delete-null-pointer-checks -Os -marm -fno-dwarf2-cfi-asm -fno-omit-frame-pointer -mapcs -mno-sched-prolog -mabi=aapcs-linux -mno-thumb-interwork -march=armv7-a -msoft-float -Uarm -Wframe-larger-than=1024 -fno-stack-protector -fno-omit-frame-pointer -fno-optimize-sibling-calls -g -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -fpic -fno-builtin
AINCLUDE_PATHS = -Iinclude -include asm/unified.h
CINCLUDE_PATHS = -Iinclude
ZRELADDR = 0x8000
OBJS =
HEAD = head.o
OBJS += misc.o decompress.o
OBJS += head-wmt.o
# Supply ZRELADDR to the decompressor via a linker symbol.
LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR)
# ?
LDFLAGS_vmlinux += -p
# Report unresolved symbol references
LDFLAGS_vmlinux += --no-undefined
# Delete all temporary local symbols
LDFLAGS_vmlinux += -X
# Next argument is a linker script
LDFLAGS_vmlinux += -T
# For __aeabi_uidivmod
.PHONY: all clean
all: zuboot.bin
clean :
rm zuboot.bin vmlinux piggy.gzip *.o
%.o: %.c
$(CC) $(CFLAGS) $(CINCLUDE_PATHS) -c -o $@ $<
%.o: %.S
$(CC) $(ASFLAGS) $(AINCLUDE_PATHS) -c -o $@ $<
lib1funcs = lib1funcs.o
vmlinux: $(HEAD) piggy.gzip.o \
$(OBJS) $(lib1funcs)
$(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_vmlinux) vmlinux.lds $^ -o $@
piggy.gzip: u-boot.bin
cat $^ | gzip -n -f -9 > $@
piggy.gzip.o: piggy.gzip
zuboot.bin : vmlinux
arm_1103_le-objcopy -O binary -R .comment -S $^ $@
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