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srcdir := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
srcdir := $(srcdir:/=)
wrkdir := $(CURDIR)/work
DEFAULT_BOARD := freedom-e300-hifive1
DEFAULT_PROGRAM := demo_gpio
#############################################################
# Prints help message
#############################################################
.PHONY: help
help :
@echo " SiFive Freedom E Software Development Kit "
@echo " Makefile targets:"
@echo ""
@echo " tools:"
@echo " Install compilation & debugging tools"
@echo ""
@echo " software [PROGRAM=$(DEFAULT_PROGRAM) BOARD=$(DEFAULT_BOARD)]:"
@echo " Build a software program to load with the"
@echo " debugger."
@echo ""
@echo " run_debug [PROGRAM=$(DEFAULT_PROGRAM) BOARD=$(DEFAULT_BOARD)]:"
@echo " Launch OpenOCD & GDB to load or debug "
@echo " running programs."
@echo ""
@echo " upload [PROGRAM=$(DEFAULT_PROGRAM) BOARD=$(DEFAULT_BOARD)]:"
@echo " Launch OpenOCD to flash your program to the"
@echo " on-board Flash"
@echo ""
@echo " run_openocd [BOARD=$(DEFAULT_BOARD)]:"
@echo " run_gdb [PROGRAM=$(DEFAULT_PROGRAM) BOARD=$(DEFAULT_BOARD)]:"
@echo " Launch OpenOCD or GDB seperately"
@echo ""
@echo " For more information, visit dev.sifive.com"
#############################################################
# This section is for tool installation
#############################################################
toolchain_srcdir := $(srcdir)/riscv-gnu-toolchain
toolchain32_wrkdir := $(wrkdir)/riscv32-gnu-toolchain
toolchain_dest := $(CURDIR)/toolchain
PATH := $(toolchain_dest)/bin:$(PATH)
openocd_srcdir := $(srcdir)/openocd
openocd_wrkdir := $(wrkdir)/openocd
openocd_dest := $(CURDIR)/toolchain
target32 := riscv32-unknown-linux-gnu
.PHONY: all
all: tools
@echo All done.
tools: tools32 openocd
@echo All Tools Installed
tools32: $(toolchain_dest)/bin/$(target32)-gcc
openocd: $(openocd_dest)/bin/openocd
$(toolchain_dest)/bin/$(target32)-gcc: $(toolchain_srcdir)
mkdir -p $(toolchain32_wrkdir)
cd $(toolchain32_wrkdir); $(toolchain_srcdir)/configure --prefix=$(toolchain_dest) --with-arch=rv32imac --with-abi=ilp32
$(MAKE) -C $(toolchain32_wrkdir)
$(openocd_dest)/bin/openocd: $(openocd_srcdir)
mkdir -p $(openocd_wrkdir)
cd $(openocd_srcdir); \
$(openocd_srcdir)/bootstrap
cd $(openocd_wrkdir); \
$(openocd_srcdir)/configure --prefix=$(openocd_dest)
$(MAKE) -C $(openocd_wrkdir)
$(MAKE) -C $(openocd_wrkdir) install
.PHONY: uninstall
uninstall:
rm -rf -- $(toolchain_dest)
#############################################################
# This Section is for Software Compilation
#############################################################
BOARD ?= $(DEFAULT_BOARD)
PROGRAM ?= $(DEFAULT_PROGRAM)
PROGRAM_DIR = $(srcdir)/software/$(PROGRAM)
PROGRAM_ELF = $(srcdir)/software/$(PROGRAM)/$(PROGRAM)
.PHONY: software
software:
$(MAKE) -C $(PROGRAM_DIR)
software_clean:
$(MAKE) -C $(PROGRAM_DIR) clean
dasm: software
$(toolchain_dest)/bin/riscv32-unknown-elf-objdump -D $(PROGRAM_ELF)
#############################################################
# This Section is for uploading a program to SPI Flash
#############################################################
OPENOCD_UPLOAD = $(srcdir)/bsp/tools/openocd_upload.sh
OPENOCDCFG ?= $(srcdir)/bsp/env/$(BOARD)/openocd.cfg
upload:
$(OPENOCD_UPLOAD) $(PROGRAM_ELF) $(OPENOCDCFG)
#############################################################
# This Section is for launching the debugger
#############################################################
OPENOCD = $(toolchain_dest)/bin/openocd
OPENOCDARGS += -f $(OPENOCDCFG)
GDB = $(toolchain_dest)/bin/riscv32-unknown-elf-gdb
GDBCMDS += -ex "target extended-remote localhost:3333"
GDBARGS =
run_openocd:
$(OPENOCD) $(OPENOCDARGS)
run_gdb:
$(GDB) $(PROGRAM_DIR)/$(PROGRAM) $(GDBARGS)
run_debug:
$(OPENOCD) $(OPENOCDARGS) &
$(GDB) $(PROGRAM_DIR)/$(PROGRAM) $(GDBARGS) $(GDBCMDS)
.PHONY: clean
clean:
rm -rf -- $(wrkdir)
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