u-boot/mmc_spl/board/samsung/smdkv310/Makefile
Chander Kashyap beb7f27a0d SMDKV310: MMC SPL: Remove unwanted dummy functions
Removed dummy functions in "mmc_spl/board/samsung/smdkv310/mmc_boot.c",
@mmc_boot.c
void do_undefined_instruction(struct pt_regs *pt_regs);
void do_software_interrupt(struct pt_regs *pt_regs);
void do_prefetch_abort(struct pt_regs *pt_regs);
void do_data_abort(struct pt_regs *pt_regs);
void do_not_used(struct pt_regs *pt_regs);
void do_fiq(struct pt_regs *pt_regs);
void do_irq(struct pt_regs *pt_regs);

not required as called conditionally in start.S
@start.S
\#ifdef CONFIG_SPL_BUILD
_undefined_instruction: .word _undefined_instruction
_software_interrupt:    .word _software_interrupt
_prefetch_abort:        .word _prefetch_abort
_data_abort:            .word _data_abort
_not_used:              .word _not_used
_irq:                   .word _irq
_fiq:                   .word _fiq
_pad:                   .word 0x12345678 /* now 16*4=64 */
\#else
_undefined_instruction: .word undefined_instruction
_software_interrupt:    .word software_interrupt
_prefetch_abort:        .word prefetch_abort
_data_abort:            .word data_abort
_not_used:              .word not_used
_irq:                   .word irq
_fiq:                   .word fiq
_pad:                   .word 0x12345678 /* now 16*4=64 */
\#endif
e.g.
undefined_instruction:
	get_bad_stack
	bad_save_user_regs
	bl      do_undefined_instruction

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
2011-09-03 22:40:47 +02:00

106 lines
3 KiB
Makefile

#
# (C) Copyright 2006-2007
# Stefan Roese, DENX Software Engineering, sr@denx.de.
#
# (C) Copyright 2008
# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de>
#
# (C) Copyright 2011
# Chander Kashyap, Samsung Electronics, <k.chander@samsung.com>
#
# See file CREDITS for list of people who contributed to this
# project.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
#
CONFIG_MMC_SPL = y
include $(TOPDIR)/config.mk
LDSCRIPT= $(TOPDIR)/mmc_spl/board/$(BOARDDIR)/u-boot.lds
LDFLAGS = -Bstatic -T $(mmcobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(PLATFORM_LDFLAGS)
AFLAGS += -DCONFIG_MMC_SPL
AFLAGS += -DCONFIG_SPL_BUILD
CFLAGS += -DCONFIG_MMC_SPL
CFLAGS += -DCONFIG_SPL_BUILD
SOBJS = start.o mem_setup.o lowlevel_init.o
COBJS = mmc_boot.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
__OBJS := $(SOBJS) $(COBJS)
LNDIR := $(OBJTREE)/mmc_spl/board/$(BOARDDIR)
mmcobj := $(OBJTREE)/mmc_spl/
MKV310_MMC_SPL_EXEC = mkv310_mmc_spl_exec
MMC_SPL_BIN = u-boot-mmc-spl.bin
ALL = $(mmcobj)u-boot-spl $(mmcobj)u-boot-spl.bin $(mmcobj)$(MMC_SPL_BIN)
all: $(obj).depend $(ALL)
$(mmcobj)$(MMC_SPL_BIN): $(mmcobj)u-boot-spl.bin tools/$(MKV310_MMC_SPL_EXEC)
./tools/$(MKV310_MMC_SPL_EXEC) $(mmcobj)u-boot-spl.bin $(mmcobj)$(MMC_SPL_BIN)
rm -f tools/$(MKV310_MMC_SPL_EXEC)
tools/$(MKV310_MMC_SPL_EXEC): tools/mkv310_image.c
$(HOSTCC) tools/mkv310_image.c -o tools/$(MKV310_MMC_SPL_EXEC)
$(mmcobj)u-boot-spl.bin: $(mmcobj)u-boot-spl
$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
$(mmcobj)u-boot-spl: $(OBJS) $(mmcobj)u-boot.lds
cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
-Map $(mmcobj)u-boot-spl.map \
-o $(mmcobj)u-boot-spl
$(mmcobj)u-boot.lds: $(LDSCRIPT)
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
# create symbolic links for common files
# from cpu directory
start.S:
@rm -f $@
@ln -s $(TOPDIR)/arch/arm/cpu/armv7/start.S $@
# from board directory
mem_setup.S:
@rm -f $@
@ln -s $(TOPDIR)/board/samsung/smdkv310/mem_setup.S $@
lowlevel_init.S:
@rm -f $@
@ln -s $(TOPDIR)/board/samsung/smdkv310/lowlevel_init.S $@
#########################################################################
$(obj)%.o: %.S
$(CC) $(AFLAGS) -c -o $@ $<
$(obj)%.o: %.c
$(CC) $(CFLAGS) -c -o $@ $<
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################