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# Copyright 2018 Embedded Microprocessor Benchmark Consortium (EEMBC)
#
# 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
#
#    http://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.
# 
# Original Author: Shay Gal-on

#File : core_portme.mak

# Flag : OUTFLAG
#       Use this flag to define how to to get an executable (e.g -o)
OUTFLAG= -o
# Flag : CC
#       Use this flag to define compiler to use
CC              = riscv32-unknown-elf-gcc
# Flag : LD
#       Use this flag to define compiler to use
LD              = riscv32-unknown-elf-ld
# Flag : AS
#       Use this flag to define compiler to use
AS              = riscv32-unknown-elf-as
# Flag : CFLAGS
#       Use this flag to define compiler options. Note, you can add compiler options from the command line using XCFLAGS="other flags"
PORT_CFLAGS = -Ttext 0x00000000 -O2
FLAGS_STR = "$(PORT_CFLAGS) $(XCFLAGS) $(XLFLAGS) $(LFLAGS_END)"
CFLAGS = $(PORT_CFLAGS) -I$(PORT_DIR) -I. -DFLAGS_STR=\"$(FLAGS_STR)\" 
#Flag : LFLAGS_END
#       Define any libraries needed for linking or other flags that should come at the end of the link line (e.g. linker scripts). 
#       Note : On certain platforms, the default clock_gettime implementation is supported but requires linking of librt.
#SEPARATE_COMPILE=1
# Flag : SEPARATE_COMPILE
# You must also define below how to create an object file, and how to link.
OBJOUT  = -o
LFLAGS  =
ASFLAGS =
OFLAG   = -o
COUT    = -c

LFLAGS_END = 
# Flag : PORT_SRCS
#       Port specific source files can be added here
#       You may also need cvt.c if the fcvt functions are not provided as intrinsics by your compiler!
PORT_SRCS = $(PORT_DIR)/core_portme.c $(PORT_DIR)/ee_printf.c
vpath %.c $(PORT_DIR)
vpath %.s $(PORT_DIR)

# Flag : LOAD
#       For a simple port, we assume self hosted compile and run, no load needed.

# Flag : RUN
#       For a simple port, we assume self hosted compile and run, simple invocation of the executable

LOAD = echo "Please set LOAD to the process of loading the executable to the flash"
RUN = echo "Please set LOAD to the process of running the executable (e.g. via jtag, or board reset)"

OEXT = .o
EXE = .bin

$(OPATH)$(PORT_DIR)/%$(OEXT) : %.c
        $(CC) $(CFLAGS) $(XCFLAGS) $(COUT) $< $(OBJOUT) $@

$(OPATH)%$(OEXT) : %.c
        $(CC) $(CFLAGS) $(XCFLAGS) $(COUT) $< $(OBJOUT) $@

$(OPATH)$(PORT_DIR)/%$(OEXT) : %.s
        $(AS) $(ASFLAGS) $< $(OBJOUT) $@

# Target : port_pre% and port_post%
# For the purpose of this simple port, no pre or post steps needed.

.PHONY : port_prebuild port_postbuild port_prerun port_postrun port_preload port_postload
port_pre% port_post% : 

# FLAG : OPATH
# Path to the output folder. Default - current folder.
OPATH = ./
MKDIR = mkdir -p