mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 16:39:35 +00:00
1bef0c530b
Use the global MIPS specific u-boot.lds for linking standalone programs instead of the outdated ones in examples/standalone/. Also pass --gc-sections in LDFLAGS_STANDALONE to optimize the size of standalone programs. Finally remove the deprecated config.mk files in arch/mips/cpu/mips[32,64]/. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
71 lines
2.1 KiB
Makefile
71 lines
2.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0+
|
|
#
|
|
# (C) Copyright 2003
|
|
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
|
|
ifdef CONFIG_SYS_BIG_ENDIAN
|
|
32bit-emul := elf32btsmip
|
|
64bit-emul := elf64btsmip
|
|
32bit-bfd := elf32-tradbigmips
|
|
64bit-bfd := elf64-tradbigmips
|
|
PLATFORM_CPPFLAGS += -EB
|
|
PLATFORM_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
|
|
PLATFORM_LDFLAGS += -EL
|
|
endif
|
|
|
|
ifdef CONFIG_32BIT
|
|
PLATFORM_CPPFLAGS += -mabi=32
|
|
PLATFORM_LDFLAGS += -m $(32bit-emul)
|
|
OBJCOPYFLAGS += -O $(32bit-bfd)
|
|
CONFIG_STANDALONE_LOAD_ADDR ?= 0x80200000
|
|
endif
|
|
|
|
ifdef CONFIG_64BIT
|
|
PLATFORM_CPPFLAGS += -mabi=64
|
|
PLATFORM_LDFLAGS += -m$(64bit-emul)
|
|
OBJCOPYFLAGS += -O $(64bit-bfd)
|
|
CONFIG_STANDALONE_LOAD_ADDR ?= 0xffffffff80200000
|
|
endif
|
|
|
|
PLATFORM_CPPFLAGS += -D__MIPS__
|
|
PLATFORM_ELFENTRY = "__start"
|
|
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
|
|
PLATFORM_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
|