mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 19:28:36 +00:00
909878fd3f
Part of the mini Blackfin ABI with operating systems is that they can use 0x4f0-0x4f8 to pass log buffers to/from bootloaders. So add support to U-Boot for reading the log buffer. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
67 lines
2 KiB
Makefile
67 lines
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).a
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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-y := cpu.o traps.o interrupts.o os_log.o reset.o serial.o watchdog.o
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COBJS-$(CONFIG_JTAG_CONSOLE) += jtag-console.o
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ifeq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS)
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COBJS-y += initcode.o
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endif
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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): $(OBJS)
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$(AR) $(ARFLAGS) $@ $(OBJS)
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$(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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