Makefile

# Copyright (c) 2020 Thales.
# 
# Copyright and related rights are 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, hardware and materials distributed under
# this 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.
#
# Author:         Sebastien Jacq - sjthales on github.com
#                 Kevin Eyssartier - EyssartK on github.com
#
# Additional contributions by:
#
#
# script Name:    Software application makefile
# Project Name:   CVA6 softcore
# Language:       Makefile
#
# Description:    Makefile to compile software application for CVA6 platform
#
# =========================================================================== #
# Revisions  :
# Date        Version  Author       Description
# 2020-10-06  0.1      S.Jacq       Created
# 2020-10-06  0.1      k.Eyssartier Created
# =========================================================================== #

XLEN ?= 32

utils_dir= ./utils
src_dir = ./kernel
bsp_dir = ./bsp

#--------------------------------------------------------------------
# Sources
#--------------------------------------------------------------------

kernels = \
	binarysearch \
	bitcount \
	bitonic \
	bsort \
	complex_updates \
	cosf \
	countnegative \
	cubic \
	deg2rad \
	fac \
	fft \
	filterbank \
	fir2dim \
	iir \
	insertsort \
	isqrt \
	jfdctint \
	lms \
	matrix1 \
	md5 \
	minver \
	prime \
	rad2deg \
	recursion \
	st

sequentials = \
	adpcm_dec \
    adpcm_enc \
    cjpeg_transupp \
    cjpeg_wrbmp \
    dijkstra \
    fmref \
    g723_enc \
    gsm_dec \
    h264_dec \
    huff_dec \
    huff_enc \
    ndes \
    petrinet \
    statemate

bmarks = $(addprefix kernel/,$(kernels)) $(addprefix sequential/,$(sequentials))

#--------------------------------------------------------------------
# Build rules
#--------------------------------------------------------------------

RISCV_PREFIX ?= riscv$(XLEN)-unknown-elf-
RISCV_GCC ?= $(RISCV_PREFIX)gcc
RISCV_OBJCOPY ?= $(RISCV_PREFIX)objcopy
RISCV_AR ?= $(RISCV_PREFIX)ar
RISCV_OBJDUMP ?= $(RISCV_PREFIX)objdump

SRC_BSP_C = $(wildcard $(bsp_dir)/hal/*.c) $(wildcard $(bsp_dir)/drivers/uart/*.c)
SRC_BSP_S = $(wildcard $(bsp_dir)/hal/*.S)

OBJ_BSP_C = $(addprefix build/,$(SRC_BSP_C:.c=.o))
OBJ_BSP_S = $(addprefix build/,$(SRC_BSP_S:.S=.o))
OBJ_BSP = $(OBJ_BSP_S) $(OBJ_BSP_C)

BSP_INCS = -Ibsp/config -Ibsp/drivers/uart -Ibsp/hal
INCS = $(BSP_INCS)

FLAGS_STR := "$(RISCV_CFLAGS)  $(RISCV_LDFLAGS) "

CFLAGS ?= -DPREALLOCATE=1 -fvisibility=hidden -DSTDIO_THRU_UART -O3 -mcmodel=medany -static -Wall -pedantic

RISCV_CFLAGS := -DPERFORMANCE_RUN=1 \
		-DITERATIONS=3 \
		-DFLAGS_STR=\"$(FLAGS_STR)\" \
		-Wno-unknown-pragmas \
		-DPREALLOCATE=1 -fvisibility=hidden -DSTDIO_THRU_UART -O3 -mcmodel=medany -static -Wall -pedantic

RISCV_LDFLAGS = -Lbuild/ -lcva6 -static -nostartfiles -T bsp/config/link.ld

DIR_GUARD = @if [ ! -d $(@D) ]; then echo " MKDIR	$(@D)"; \
	mkdir -p $(@D); fi

all: $(bmarks)

define generate_rules =
$(1)_SRC_DIR = $(1)/
$(1)_SRC_FILES = $$(shell find $$($(1)_SRC_DIR) -name "*.c")
$(1)_OBJ_FILES = $$(addprefix build/,$$($(1)_SRC_FILES:.c=.o))
ALL_OBJ += $$($(1)_OBJ_FILES)
$(1): build/artifacts/$(1).riscv
$(1): build/artifacts/$(1).D
$(1): build/artifacts/$(1).hex
$(1): build/artifacts/$(1).bin
$(1): build/mem/$(1).mem
build/artifacts/$(1).riscv: build/libcva6.a build/dtor.o $$($(1)_OBJ_FILES)
	$$(DIR_GUARD)
	@echo " LD	$$@"
	@$$(RISCV_GCC) $$(RISCV_CFLAGS) -o $$@ $$^ $$(RISCV_LDFLAGS)
endef

$(foreach bmark,$(bmarks),$(eval $(call generate_rules,$(bmark))))

build/artifacts/%.D: build/artifacts/%.riscv
	$(DIR_GUARD)
	@echo " OBJCOPY	$< -> $@"
	@$(RISCV_OBJDUMP) -D $< > $@

build/artifacts/%.hex: build/artifacts/%.riscv
	$(DIR_GUARD)
	@echo " OBJCOPY	$< -> $@"
	@$(RISCV_OBJCOPY) -O ihex $< $@

build/artifacts/%.bin: build/artifacts/%.riscv
	$(DIR_GUARD)
	@echo " OBJCOPY	$< -> $@"
	@$(RISCV_OBJCOPY) -O binary $< $@

build/libcva6.a: $(OBJ_BSP)
	$(DIR_GUARD)
	@echo " AR	$< -> $@"
	@$(RISCV_AR) rcs build/libcva6.a $(OBJ_BSP)

build/%.o: %.c
	$(DIR_GUARD)
	@echo " CC	$< -> $@"
	@$(RISCV_GCC) $(INCS) -o $@ -c $< $(RISCV_CFLAGS)

build/%.o: %.S
	$(DIR_GUARD)
	@echo " AS	$< -> $@"
	@$(RISCV_GCC) -o $@ -c $< $(CFLAGS)

build/mem/%.mem: build/artifacts/%.bin
	$(DIR_GUARD)
	@echo " BIN2MEM	$< -> $@"
	@$(utils_dir)/bin2mem.py $< $@

clean:
	@echo " RM	build/"
	@rm -rf build/

.PHONY: all clean