mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-26 05:34:30 +08:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
54 lines
1.5 KiB
Makefile
54 lines
1.5 KiB
Makefile
#
|
|
# (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
|
|
OBJCFLAGS += --remove-section=.dynsym
|