diff options
Diffstat (limited to 'qemu/roms/u-boot/arch/mips/config.mk')
-rw-r--r-- | qemu/roms/u-boot/arch/mips/config.mk | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/arch/mips/config.mk b/qemu/roms/u-boot/arch/mips/config.mk new file mode 100644 index 000000000..f4a234adb --- /dev/null +++ b/qemu/roms/u-boot/arch/mips/config.mk @@ -0,0 +1,58 @@ +# +# (C) Copyright 2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +ifeq ($(CROSS_COMPILE),) +CROSS_COMPILE := mips_4KC- +endif + +# Handle special prefix in ELDK 4.0 toolchain +ifneq (,$(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__ + +__HAVE_ARCH_GENERIC_BOARD := y + +# +# 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 +OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .got +OBJCOPYFLAGS += -j .u_boot_list -j .rel.dyn |