mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-15 15:46:16 +09:00
4024242669
We explicitly link in the initcode.o in the Blackfin linker script, so there is no need to merge it into the main common object for the linker to pull in itself. This also fixes duplicate symbol errors with the new partial linking logic. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
73 lines
2.2 KiB
Makefile
73 lines
2.2 KiB
Makefile
#
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# U-boot - Makefile
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#
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# Copyright (c) 2005-2008 Analog Device Inc.
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#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# Licensed under the GPL-2 or later.
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#
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include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(CPU).o
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EXTRA :=
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CEXTRA := initcode.o
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SEXTRA := start.o
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SOBJS := interrupt.o cache.o
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COBJS-$(CONFIG_BOOTCOUNT_LIMIT) += bootcount.o
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COBJS-$(CONFIG_CMD_GPIO) += cmd_gpio.o
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COBJS-y += cpu.o
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COBJS-y += gpio.o
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COBJS-y += interrupts.o
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COBJS-$(CONFIG_JTAG_CONSOLE) += jtag-console.o
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COBJS-y += os_log.o
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COBJS-y += reset.o
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COBJS-y += serial.o
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COBJS-y += traps.o
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COBJS-$(CONFIG_HW_WATCHDOG) += watchdog.o
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SRCS := $(SEXTRA:.o=.S) $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS-y) $(SOBJS))
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EXTRA := $(addprefix $(obj),$(EXTRA))
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CEXTRA := $(addprefix $(obj),$(CEXTRA))
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SEXTRA := $(addprefix $(obj),$(SEXTRA))
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all: $(obj).depend $(LIB) $(obj).depend $(EXTRA) $(CEXTRA) $(SEXTRA) check_initcode
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$(LIB): $(OBJS)
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$(call cmd_link_o_target, $(OBJS))
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$(OBJS): $(obj)bootrom-asm-offsets.h
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$(obj)bootrom-asm-offsets.c: bootrom-asm-offsets.c.in bootrom-asm-offsets.awk
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echo '#include <asm/mach-common/bits/bootrom.h>' | $(CPP) $(CPPFLAGS) - | gawk -f ./bootrom-asm-offsets.awk > $@.tmp
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mv $@.tmp $@
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$(obj)bootrom-asm-offsets.s: $(obj)bootrom-asm-offsets.c
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$(CC) $(CFLAGS) -S $^ -o $@.tmp
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mv $@.tmp $@
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$(obj)bootrom-asm-offsets.h: $(obj)bootrom-asm-offsets.s
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sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}" $^ > $@
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# make sure our initcode (which goes into LDR) does not
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# have relocs or external references
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$(obj)initcode.o: CFLAGS += -fno-function-sections -fno-data-sections
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READINIT = env LC_ALL=C $(CROSS_COMPILE)readelf -s $<
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check_initcode: $(obj)initcode.o
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ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS)
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@if $(READINIT) | grep '\<GLOBAL\>.*\<UND\>' ; then \
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echo "$< contains external references!" 1>&2 ; \
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exit 1 ; \
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fi
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endif
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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