| # Copyright 2022 Google LLC |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| MYDIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST)))) |
| |
| BUILD_TYPE ?= debug |
| BUILD_ARCH ?= riscv32 |
| |
| include $(MYDIR)/arch/$(BUILD_ARCH).mk |
| include $(MYDIR)/sel4.mk |
| |
| ifeq ($(BUILD_TYPE),debug) |
| DEBUG := -g |
| OPT := -O0 |
| else |
| DEBUG := |
| OPT := -Os # TODO(jtgans): Actually optimize in a release build |
| endif |
| |
| ROOTDIR ?= $(MYDIR) |
| BUILD_ROOT ?= $(ROOTDIR)/out/cantrip/$(ARCH_PREFIX)/$(BUILD_TYPE)/apps |
| |
| CC := $(ARCH_PREFIX)-gcc |
| AS := $(ARCH_PREFIX)-as |
| AR := $(ARCH_PREFIX)-ar |
| LD := $(ARCH_PREFIX)-gcc |
| |
| CFLAGS := $(DEBUG) $(OPT) $(INCLUDES) |
| CFLAGS += -march=$(ARCH) -mabi=$(ABI) |
| CFLAGS += -std=gnu11 -nostdlib |
| CFLAGS += -ftls-model=local-exec |
| |
| ASFLAGS := -march=$(ARCH) -mabi=$(ABI) |
| LDFLAGS := $(DEBUG) -nostartfiles -static -nostdlib |
