1893fd7c2b
This is a fix up for recent patch:
c505837 arm: Have the linker garbage-collect unused functions and variables
I missed adding --gc-sections to a couple of the ramstage lines.
Change-Id: I81178eb99fddbd99c603c79ba506db51af975b27
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6956
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
130 lines
5.3 KiB
Makefile
130 lines
5.3 KiB
Makefile
################################################################################
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##
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## This file is part of the coreboot project.
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##
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## Copyright (C) 2012 The ChromiumOS Authors
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## Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
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## Copyright (C) 2009-2010 coresystems GmbH
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## Copyright (C) 2009 Ronald G. Minnich
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; version 2 of the License.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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##
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###############################################################################
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# Take care of subdirectories
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###############################################################################
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subdirs-y += armv4/ armv7/
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###############################################################################
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# ARM specific options
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###############################################################################
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ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
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CBFSTOOL_PRE1_OPTS = -m arm -b $(CONFIG_BOOTBLOCK_ROM_OFFSET) -H $(CONFIG_CBFS_HEADER_ROM_OFFSET) -o $(CONFIG_CBFS_ROM_OFFSET)
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CBFSTOOL_PRE_OPTS = -b 0
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endif
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ifeq ($(CONFIG_ARCH_ARM),y)
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stages_c = $(src)/arch/arm/stages.c
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stages_o = $(obj)/arch/arm/stages.o
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$(stages_o): $(stages_c) $(obj)/config.h
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@printf " CC $(subst $(obj)/,,$(@))\n"
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$(CC_arm) -I. $(CPPFLAGS_arm) -c -o $@ $< -marm
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endif # CONFIG_ARCH_ARM
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###############################################################################
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# bootblock
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###############################################################################
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ifeq ($(CONFIG_ARCH_BOOTBLOCK_ARM),y)
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bootblock-y += id.S
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$(obj)/arch/arm/id.bootblock.o: $(obj)/build.h
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bootblock-y += stages.c
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bootblock-y += eabi_compat.c
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bootblock-y += memset.S
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bootblock-y += memcpy.S
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bootblock-y += memmove.S
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$(objcbfs)/bootblock.debug: $(src)/arch/arm/bootblock.ld $(obj)/ldoptions $$(bootblock-objs)
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@printf " LINK $(subst $(obj)/,,$(@))\n"
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ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
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$(LD_bootblock) -m armelf_linux_eabi --gc-sections -static -o $@ -L$(obj) $< -T $(src)/arch/arm/bootblock.ld
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else
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$(CC_bootblock) $(CFLAGS_bootblock) -nostartfiles -Wl,--gc-sections -static -o $@ -L$(obj) -T $(src)/arch/arm/bootblock.ld -Wl,--start-group $(bootblock-objs) $(LIBGCC_FILE_NAME_bootblock) -Wl,--end-group
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endif
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endif # CONFIG_ARCH_BOOTBLOCK_ARM
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###############################################################################
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# romstage
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###############################################################################
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ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
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romstage-y += stages.c
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romstage-y += div0.c
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romstage-y += eabi_compat.c
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romstage-y += memset.S
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romstage-y += memcpy.S
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romstage-y += memmove.S
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VBOOT_STUB_DEPS += $(obj)/arch/arm/eabi_compat.rmodules_arm.o
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$(objcbfs)/romstage.debug: $$(romstage-objs) $(src)/arch/arm/romstage.ld $(obj)/ldoptions
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@printf " LINK $(subst $(obj)/,,$(@))\n"
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ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
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$(LD_romstage) -nostdlib -nostartfiles --gc-sections -static -o $@ -L$(obj) $(romstage-objs) -T $(src)/arch/arm/romstage.ld
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else
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$(CC_romstage) $(CFLAGS_romstage) -nostartfiles -Wl,--gc-sections -static -o $@ -L$(obj) -T $(src)/arch/arm/romstage.ld -Wl,--start-group $(romstage-objs) $(LIBGCC_FILE_NAME_romstage) -Wl,--end-group
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endif
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endif # CONFIG_ARCH_ROMSTAGE_ARM
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###############################################################################
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# ramstage
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###############################################################################
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ifeq ($(CONFIG_ARCH_RAMSTAGE_ARM),y)
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ramstage-y += stages.c
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ramstage-y += div0.c
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ramstage-y += cpu.c
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ramstage-y += eabi_compat.c
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ramstage-y += boot.c
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ramstage-y += tables.c
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ramstage-y += memset.S
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ramstage-y += memcpy.S
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ramstage-y += memmove.S
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ramstage-srcs += $(wildcard src/mainboard/$(MAINBOARDDIR)/mainboard.c)
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$(objcbfs)/ramstage.debug: $$(ramstage-objs) $(LIBGCC_FILE_NAME_ramstage) $(src)/arch/arm/ramstage.ld $(obj)/ldoptions
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@printf " CC $(subst $(obj)/,,$(@))\n"
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ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
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$(LD_ramstage) -m armelf_linux_eabi --gc-sections -o $@ -L$(obj) $< -T $(src)/arch/arm/ramstage.ld
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else
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$(CC_ramstage) $(CFLAGS_ramstage) -nostdlib -Wl,--gc-sections -static -o $@ -L$(obj) -Wl,--start-group $(ramstage-objs) $(LIBGCC_FILE_NAME_ramstage) -Wl,--end-group -T $(src)/arch/arm/ramstage.ld
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endif
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$(objgenerated)/ramstage.o: $(stages_o) $$(ramstage-objs) $(LIBGCC_FILE_NAME_ramstage)
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@printf " CC $(subst $(obj)/,,$(@))\n"
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ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
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$(LD_ramstage) -m -m armelf_linux_eabi --gc-sections -r -o $@ --wrap __divdi3 --wrap __udivdi3 --wrap __moddi3 --wrap __umoddi3 --wrap __uidiv --start-group $(ramstage-objs) $(LIBGCC_FILE_NAME_ramstage) --end-group
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else
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$(CC_ramstage) $(CFLAGS_ramstage) $(CPPFLAGS_ramstage) -nostdlib -Wl,--gc-sections -r -o $@ -Wl,--start-group $(stages_o) $(ramstage-objs) $(LIBGCC_FILE_NAME_ramstage) -Wl,--end-group
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endif
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endif # CONFIG_ARCH_RAMSTAGE_ARM
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