| wdenk | 591dda5 | 2002-11-18 00:14:45 +0000 | [diff] [blame] | 1 | # |
| 2 | # (C) Copyright 2000-2002 |
| 3 | # Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 4 | # |
| Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | # SPDX-License-Identifier: GPL-2.0+ |
| wdenk | 591dda5 | 2002-11-18 00:14:45 +0000 | [diff] [blame] | 6 | # |
| 7 | |
| Wolfgang Denk | 33a5734 | 2011-02-04 14:25:17 +0100 | [diff] [blame] | 8 | CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 |
| Mike Frysinger | 5b66044 | 2009-09-03 23:12:47 -0400 | [diff] [blame] | 9 | |
| Graeme Russ | bed10fa | 2010-10-07 20:03:23 +1100 | [diff] [blame] | 10 | PLATFORM_CPPFLAGS += -fno-strict-aliasing |
| 11 | PLATFORM_CPPFLAGS += -Wstrict-prototypes |
| 12 | PLATFORM_CPPFLAGS += -mregparm=3 |
| 13 | PLATFORM_CPPFLAGS += -fomit-frame-pointer |
| Wolfgang Denk | 9209ed5 | 2011-11-01 20:54:02 +0000 | [diff] [blame] | 14 | PF_CPPFLAGS_X86 := $(call cc-option, -ffreestanding) \ |
| 15 | $(call cc-option, -fno-toplevel-reorder, \ |
| 16 | $(call cc-option, -fno-unit-at-a-time)) \ |
| 17 | $(call cc-option, -fno-stack-protector) \ |
| 18 | $(call cc-option, -mpreferred-stack-boundary=2) |
| 19 | PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86) |
| Graeme Russ | 9381c8a | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 20 | PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm |
| Graeme Russ | 3fe4860 | 2011-02-12 15:11:24 +1100 | [diff] [blame] | 21 | PLATFORM_CPPFLAGS += -DREALMODE_BASE=0x7c0 |
| Graeme Russ | 9381c8a | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 22 | |
| Simon Glass | 2e4622d | 2013-03-11 07:40:13 +0000 | [diff] [blame] | 23 | # Support generic board on x86 |
| 24 | __HAVE_ARCH_GENERIC_BOARD := y |
| 25 | |
| Graeme Russ | 9381c8a | 2011-02-12 15:11:21 +1100 | [diff] [blame] | 26 | PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden |
| 27 | |
| 28 | PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions |
| 29 | |
| Haiying Wang | 3935873 | 2011-02-22 16:38:05 -0500 | [diff] [blame] | 30 | LDFLAGS_FINAL += --gc-sections -pie |
| Gabe Black | 1662cf1 | 2011-11-16 23:01:37 +0000 | [diff] [blame] | 31 | LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3 |
| 32 | LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3 |
| 33 | |
| Masahiro Yamada | aa96dd1 | 2013-10-21 11:53:34 +0900 | [diff] [blame] | 34 | export NORMAL_LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name) |
| Gabe Black | 1662cf1 | 2011-11-16 23:01:37 +0000 | [diff] [blame] | 35 | PREFIXED_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/$(shell basename $(NORMAL_LIBGCC)) |
| 36 | |
| 37 | export USE_PRIVATE_LIBGCC=$(shell dirname $(PREFIXED_LIBGCC)) |