3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # SPDX-License-Identifier: GPL-2.0+
8 CROSS_COMPILE ?= mips_4KC-
10 # Handle special prefix in ELDK 4.0 toolchain
11 ifneq (,$(findstring 4KCle,$(CROSS_COMPILE)))
15 ifdef CONFIG_SYS_LITTLE_ENDIAN
19 ifdef CONFIG_SYS_BIG_ENDIAN
23 # Default to EB if no endianess is configured
26 PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__
29 # From Linux arch/mips/Makefile
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.
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.
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
45 # On the other hand, we want PIC in the U-Boot code to relocate it from ROM
46 # to RAM. $28 is always used as gp.
48 PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic $(ENDIANNESS)
49 PLATFORM_CPPFLAGS += -msoft-float
50 PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib $(ENDIANNESS)
51 PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
52 LDFLAGS_FINAL += --gc-sections -pie
53 OBJCFLAGS += --remove-section=.dynsym