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

# SPDX-License-Identifier: GPL-2.0+
#
# (C) Copyright 2003
# Wolfgang Denk, DENX Software Engineering, [email protected].

ifdef CONFIG_SYS_BIG_ENDIAN
32bit-emul		:= elf32btsmip
64bit-emul		:= elf64btsmip
32bit-bfd		:= elf32-tradbigmips
64bit-bfd		:= elf64-tradbigmips
PLATFORM_CPPFLAGS	+= -EB
KBUILD_LDFLAGS		+= -EB
endif

ifdef CONFIG_SYS_LITTLE_ENDIAN
32bit-emul		:= elf32ltsmip
64bit-emul		:= elf64ltsmip
32bit-bfd		:= elf32-tradlittlemips
64bit-bfd		:= elf64-tradlittlemips
PLATFORM_CPPFLAGS	+= -EL
KBUILD_LDFLAGS		+= -EL
endif

ifdef CONFIG_32BIT
PLATFORM_CPPFLAGS	+= -mabi=32
KBUILD_LDFLAGS		+= -m $(32bit-emul)
OBJCOPYFLAGS		+= -O $(32bit-bfd)
endif

ifdef CONFIG_64BIT
PLATFORM_CPPFLAGS	+= -mabi=64
KBUILD_LDFLAGS		+= -m$(64bit-emul)
OBJCOPYFLAGS		+= -O $(64bit-bfd)
endif

PLATFORM_CPPFLAGS += -D__MIPS__
PLATFORM_ELFFLAGS += -B mips $(OBJCOPYFLAGS)

#
# 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
#
ifndef CONFIG_SPL_BUILD
OBJCOPYFLAGS			+= -j .data.reloc -j .dtb.init.rodata
LDFLAGS_FINAL			+= --emit-relocs
endif

PLATFORM_CPPFLAGS		+= -G 0 -mno-abicalls -fno-pic
PLATFORM_CPPFLAGS		+= -msoft-float
KBUILD_LDFLAGS			+= -G 0 -static -n -nostdlib
PLATFORM_RELFLAGS		+= -ffunction-sections -fdata-sections
LDFLAGS_FINAL			+= --gc-sections
OBJCOPYFLAGS			+= -j .text -j .rodata -j .data -j __u_boot_list

LDFLAGS_STANDALONE		+= --gc-sections
Commit	Line	Data
83d290c5	1	# SPDX-License-Identifier: GPL-2.0+
6069ff26 WD	2	#
	3	# (C) Copyright 2003
	4	# Wolfgang Denk, DENX Software Engineering, [email protected].
6069ff26	5
837cad1e DS	6	ifdef CONFIG_SYS_BIG_ENDIAN
	7	32bit-emul := elf32btsmip
	8	64bit-emul := elf64btsmip
	9	32bit-bfd := elf32-tradbigmips
	10	64bit-bfd := elf64-tradbigmips
	11	PLATFORM_CPPFLAGS += -EB
587e4a42	12	KBUILD_LDFLAGS += -EB
9b6e2c36	13	endif
1ea6bcd8	14
837cad1e DS	15	ifdef CONFIG_SYS_LITTLE_ENDIAN
	16	32bit-emul := elf32ltsmip
	17	64bit-emul := elf64ltsmip
	18	32bit-bfd := elf32-tradlittlemips
	19	64bit-bfd := elf64-tradlittlemips
	20	PLATFORM_CPPFLAGS += -EL
587e4a42	21	KBUILD_LDFLAGS += -EL
2c0e3de3 DS	22	endif
2c0e3de3 DS	23
837cad1e DS	24	ifdef CONFIG_32BIT
837cad1e DS	25	PLATFORM_CPPFLAGS += -mabi=32
587e4a42	26	KBUILD_LDFLAGS += -m $(32bit-emul)
837cad1e	27	OBJCOPYFLAGS += -O $(32bit-bfd)
2c0e3de3 DS	28	endif
2c0e3de3 DS	29
837cad1e DS	30	ifdef CONFIG_64BIT
837cad1e DS	31	PLATFORM_CPPFLAGS += -mabi=64
587e4a42	32	KBUILD_LDFLAGS += -m$(64bit-emul)
837cad1e	33	OBJCOPYFLAGS += -O $(64bit-bfd)
2c0e3de3 DS	34	endif
2c0e3de3 DS	35
90f984e3	36	PLATFORM_CPPFLAGS += -D__MIPS__
47cf465c	37	PLATFORM_ELFFLAGS += -B mips $(OBJCOPYFLAGS)
00101dd7 SK	38
	39	#
	40	# From Linux arch/mips/Makefile
	41	#
	42	# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel
	43	# code since it only slows down the whole thing. At some point we might make
	44	# use of global pointer optimizations but their use of $28 conflicts with
	45	# the current pointer optimization.
	46	#
	47	# The DECStation requires an ECOFF kernel for remote booting, other MIPS
	48	# machines may also. Since BFD is incredibly buggy with respect to
	49	# crossformat linking we rely on the elf2ecoff tool for format conversion.
	50	#
	51	# cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
	52	# cflags-y += -msoft-float
	53	# LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
	54	# MODFLAGS += -mlong-calls
	55	#
703ec9dd	56	ifndef CONFIG_SPL_BUILD
96301464	57	OBJCOPYFLAGS += -j .data.reloc -j .dtb.init.rodata
703ec9dd	58	LDFLAGS_FINAL += --emit-relocs
e92d9124 DS	59	endif
e92d9124 DS	60
703ec9dd	61	PLATFORM_CPPFLAGS += -G 0 -mno-abicalls -fno-pic
00101dd7	62	PLATFORM_CPPFLAGS += -msoft-float
587e4a42	63	KBUILD_LDFLAGS += -G 0 -static -n -nostdlib
660da094	64	PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
703ec9dd	65	LDFLAGS_FINAL += --gc-sections
99e2fbcb	66	OBJCOPYFLAGS += -j .text -j .rodata -j .data -j __u_boot_list
1bef0c53 DS	67
1bef0c53 DS	68	LDFLAGS_STANDALONE += --gc-sections