2 # (C) Copyright 2000-2002
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # See file CREDITS for list of people who contributed to this
8 # This program is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU General Public License as
10 # published by the Free Software Foundation; either version 2 of
11 # the License, or (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
26 PLATFORM_CPPFLAGS += -fno-strict-aliasing
27 PLATFORM_CPPFLAGS += -Wstrict-prototypes
28 PLATFORM_CPPFLAGS += -mregparm=3
29 PLATFORM_CPPFLAGS += -fomit-frame-pointer
30 PF_CPPFLAGS_X86 := $(call cc-option, -ffreestanding) \
31 $(call cc-option, -fno-toplevel-reorder, \
32 $(call cc-option, -fno-unit-at-a-time)) \
33 $(call cc-option, -fno-stack-protector) \
34 $(call cc-option, -mpreferred-stack-boundary=2)
35 PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86)
36 PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
37 PLATFORM_CPPFLAGS += -DREALMODE_BASE=0x7c0
39 PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
41 PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions
43 LDFLAGS_FINAL += --gc-sections -pie
44 LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
45 LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
47 NORMAL_LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
48 PREFIXED_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/$(shell basename $(NORMAL_LIBGCC))
50 export USE_PRIVATE_LIBGCC=$(shell dirname $(PREFIXED_LIBGCC))