2 # (C) Copyright 2000-2002
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # SPDX-License-Identifier: GPL-2.0+
8 CONFIG_STANDALONE_LOAD_ADDR ?
= 0x40000
10 PLATFORM_CPPFLAGS
+= -fno-strict-aliasing
11 PLATFORM_CPPFLAGS
+= -Wstrict-prototypes
12 PLATFORM_CPPFLAGS
+= -mregparm
=3
13 PLATFORM_CPPFLAGS
+= -fomit-frame-pointer
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
)
20 PLATFORM_CPPFLAGS
+= -fno-dwarf2-cfi-asm
21 PLATFORM_CPPFLAGS
+= -DREALMODE_BASE
=0x7c0
23 # Support generic board on x86
24 __HAVE_ARCH_GENERIC_BOARD
:= y
26 PLATFORM_RELFLAGS
+= -ffunction-sections
-fvisibility
=hidden
28 PLATFORM_LDFLAGS
+= --emit-relocs
-Bsymbolic
-Bsymbolic-functions
30 LDFLAGS_FINAL
+= --gc-sections
-pie
31 LDFLAGS_FINAL
+= --wrap
=__divdi3
--wrap
=__udivdi3
32 LDFLAGS_FINAL
+= --wrap
=__moddi3
--wrap
=__umoddi3
34 NORMAL_LIBGCC
= $(shell $(CC
) $(CFLAGS
) -print-libgcc-file-name
)
35 PREFIXED_LIBGCC
= $(OBJTREE
)/arch
/$(ARCH
)/lib
/$(shell basename $(NORMAL_LIBGCC
))
37 export USE_PRIVATE_LIBGCC
=$(shell dirname
$(PREFIXED_LIBGCC
))