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# -*- makefile -*-
# Copyright 2016 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Minute-IA core build
#
# Select Minute-IA bare-metal toolchain
$(call set-option,CROSS_COMPILE,$(CROSS_COMPILE_i386),\
/opt/coreboot-sdk/bin/i386-elf-)
# FPU compilation flags
CFLAGS_FPU-$(CONFIG_FPU)=
# CPU specific compilation flags
CFLAGS_CPU+=-O2 -fomit-frame-pointer -mno-accumulate-outgoing-args \
-ffunction-sections -fdata-sections \
-fno-builtin-printf -fno-builtin-sprintf \
-fno-stack-protector -gdwarf-2 -fno-common -ffreestanding \
-minline-all-stringops -fno-strict-aliasing
CFLAGS_CPU+=$(CFLAGS_FPU-y)
ifneq ($(CONFIG_LTO),)
CFLAGS_CPU+=-flto
LDFLAGS_EXTRA+=-flto
endif
core-y=cpu.o init.o interrupts.o
core-$(CONFIG_COMMON_PANIC_OUTPUT)+=panic.o
core-$(CONFIG_COMMON_RUNTIME)+=switch.o task.o
core-$(CONFIG_MPU)+=mpu.o
# for 64bit division
LDFLAGS_EXTRA+=-static-libgcc -lgcc
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