[people/ms/u-boot.git] / arch / mips / config.mk

#
# (C) Copyright 2003
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# SPDX-License-Identifier:	GPL-2.0+
#

CROSS_COMPILE ?= mips_4KC-

# Handle special prefix in ELDK 4.0 toolchain
ifneq (,$(findstring 4KCle,$(CROSS_COMPILE)))
ENDIANNESS := -EL
endif

ifdef CONFIG_SYS_LITTLE_ENDIAN
ENDIANNESS := -EL
endif

ifdef CONFIG_SYS_BIG_ENDIAN
ENDIANNESS := -EB
endif

# Default to EB if no endianess is configured
ENDIANNESS ?= -EB

PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__

#
# From Linux arch/mips/Makefile
#
# GCC uses -G 0 -mabicalls -fpic as default.  We don't want PIC in the kernel
# code since it only slows down the whole thing.  At some point we might make
# use of global pointer optimizations but their use of $28 conflicts with
# the current pointer optimization.
#
# The DECStation requires an ECOFF kernel for remote booting, other MIPS
# machines may also.  Since BFD is incredibly buggy with respect to
# crossformat linking we rely on the elf2ecoff tool for format conversion.
#
# cflags-y			+= -G 0 -mno-abicalls -fno-pic -pipe
# cflags-y			+= -msoft-float
# LDFLAGS_vmlinux		+= -G 0 -static -n -nostdlib
# MODFLAGS			+= -mlong-calls
#
# On the other hand, we want PIC in the U-Boot code to relocate it from ROM
# to RAM. $28 is always used as gp.
#
PLATFORM_CPPFLAGS		+= -G 0 -mabicalls -fpic $(ENDIANNESS)
PLATFORM_CPPFLAGS		+= -msoft-float
PLATFORM_LDFLAGS		+= -G 0 -static -n -nostdlib $(ENDIANNESS)
PLATFORM_RELFLAGS		+= -ffunction-sections -fdata-sections
LDFLAGS_FINAL			+= --gc-sections -pie
OBJCOPYFLAGS			+= --remove-section=.dynsym
Commit	Line	Data
6069ff26 WD	1	#
	2	# (C) Copyright 2003
	3	# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	#
1a459660	5	# SPDX-License-Identifier: GPL-2.0+
6069ff26 WD	6	#
6069ff26 WD	7
1ea6bcd8 MF	8	CROSS_COMPILE ?= mips_4KC-
1ea6bcd8 MF	9
2c0e3de3 DS	10	# Handle special prefix in ELDK 4.0 toolchain
	11	ifneq (,$(findstring 4KCle,$(CROSS_COMPILE)))
	12	ENDIANNESS := -EL
	13	endif
	14
	15	ifdef CONFIG_SYS_LITTLE_ENDIAN
	16	ENDIANNESS := -EL
	17	endif
	18
	19	ifdef CONFIG_SYS_BIG_ENDIAN
	20	ENDIANNESS := -EB
	21	endif
	22
	23	# Default to EB if no endianess is configured
	24	ENDIANNESS ?= -EB
	25
6069ff26	26	PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__
00101dd7 SK	27
	28	#
	29	# From Linux arch/mips/Makefile
	30	#
	31	# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
	32	# code since it only slows down the whole thing. At some point we might make
	33	# use of global pointer optimizations but their use of $28 conflicts with
	34	# the current pointer optimization.
	35	#
	36	# The DECStation requires an ECOFF kernel for remote booting, other MIPS
	37	# machines may also. Since BFD is incredibly buggy with respect to
	38	# crossformat linking we rely on the elf2ecoff tool for format conversion.
	39	#
	40	# cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
	41	# cflags-y += -msoft-float
	42	# LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
	43	# MODFLAGS += -mlong-calls
	44	#
f0d5a6f0 SK	45	# On the other hand, we want PIC in the U-Boot code to relocate it from ROM
f0d5a6f0 SK	46	# to RAM. $28 is always used as gp.
00101dd7	47	#
2c0e3de3	48	PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic $(ENDIANNESS)
00101dd7	49	PLATFORM_CPPFLAGS += -msoft-float
2c0e3de3	50	PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib $(ENDIANNESS)
660da094	51	PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
04380c65	52	LDFLAGS_FINAL += --gc-sections -pie
95ddcd68	53	OBJCOPYFLAGS += --remove-section=.dynsym