1# SPDX-License-Identifier: GPL-2.0+ 2# 3# (C) Copyright 2003 4# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 5 6ifdef CONFIG_SYS_BIG_ENDIAN 732bit-emul := elf32btsmip 864bit-emul := elf64btsmip 932bit-bfd := elf32-tradbigmips 1064bit-bfd := elf64-tradbigmips 11PLATFORM_CPPFLAGS += -EB 12KBUILD_LDFLAGS += -EB 13endif 14 15ifdef CONFIG_SYS_LITTLE_ENDIAN 1632bit-emul := elf32ltsmip 1764bit-emul := elf64ltsmip 1832bit-bfd := elf32-tradlittlemips 1964bit-bfd := elf64-tradlittlemips 20PLATFORM_CPPFLAGS += -EL 21KBUILD_LDFLAGS += -EL 22endif 23 24ifdef CONFIG_32BIT 25PLATFORM_CPPFLAGS += -mabi=32 26KBUILD_LDFLAGS += -m $(32bit-emul) 27OBJCOPYFLAGS += -O $(32bit-bfd) 28CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000 29endif 30 31ifdef CONFIG_64BIT 32PLATFORM_CPPFLAGS += -mabi=64 33KBUILD_LDFLAGS += -m$(64bit-emul) 34OBJCOPYFLAGS += -O $(64bit-bfd) 35CONFIG_STANDALONE_LOAD_ADDR ?= 0xffffffff80200000 36endif 37 38PLATFORM_CPPFLAGS += -D__MIPS__ 39PLATFORM_ELFFLAGS += -B mips $(OBJCOPYFLAGS) 40 41# 42# From Linux arch/mips/Makefile 43# 44# GCC uses -G 0 -mabicalls -fpic as default. We don't want PIC in the kernel 45# code since it only slows down the whole thing. At some point we might make 46# use of global pointer optimizations but their use of $28 conflicts with 47# the current pointer optimization. 48# 49# The DECStation requires an ECOFF kernel for remote booting, other MIPS 50# machines may also. Since BFD is incredibly buggy with respect to 51# crossformat linking we rely on the elf2ecoff tool for format conversion. 52# 53# cflags-y += -G 0 -mno-abicalls -fno-pic -pipe 54# cflags-y += -msoft-float 55# LDFLAGS_vmlinux += -G 0 -static -n -nostdlib 56# MODFLAGS += -mlong-calls 57# 58ifndef CONFIG_SPL_BUILD 59OBJCOPYFLAGS += -j .data.reloc -j .dtb.init.rodata 60LDFLAGS_FINAL += --emit-relocs 61endif 62 63PLATFORM_CPPFLAGS += -G 0 -mno-abicalls -fno-pic 64PLATFORM_CPPFLAGS += -msoft-float 65KBUILD_LDFLAGS += -G 0 -static -n -nostdlib 66PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections 67LDFLAGS_FINAL += --gc-sections 68OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .u_boot_list 69 70LDFLAGS_STANDALONE += --gc-sections 71