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RISCV ?= $(CURDIR)/toolchain
PATH := $(RISCV)/bin:$(PATH)
srcdir := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
srcdir := $(srcdir:/=)
wrkdir := $(CURDIR)/work
#############################################################
# 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 " fpga [BOOTROM=demo]:"
@echo " Rebuild the image (including Boot SW) to"
@echo " reprogram the FPGA. "
@echo ""
@echo " software [PROGRAM=demo_gpio]:"
@echo " Build a software program to load with the"
@echo " debugger."
@echo ""
@echo " run_debug [PROGRAM=demo_gpio]:"
@echo " Launch the debugging tools to load or"
@echo " debug running programs."
@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
toolchain64_wrkdir := $(wrkdir)/riscv64-gnu-toolchain
toolchain_dest := $(CURDIR)/toolchain
gdb_srcdir := $(srcdir)/riscv-binutils-gdb
gdb_wrkdir := $(wrkdir)/riscv-binutils-gdb
gdb_dest := $(CURDIR)/toolchain
openocd_srcdir := $(srcdir)/openocd
openocd_wrkdir := $(wrkdir)/openocd
openocd_dest := $(CURDIR)/toolchain
target64 := riscv64-unknown-linux-gnu
target32 := riscv32-unknown-linux-gnu
.PHONY: all
all: tools
@echo All done.
tools: tools64 tools32 openocd gdb
@echo All Tools Installed
tools64: $(toolchain_dest)/bin/$(target64)-gcc
tools32: $(toolchain_dest)/bin/$(target32)-gcc
openocd: $(openocd_dest)/bin/openocd
gdb: $(gdb_dest)/bin/$(target64)-gdb
$(toolchain_dest)/bin/$(target64)-gcc: $(toolchain_srcdir)
mkdir -p $(toolchain64_wrkdir)
cd $(toolchain64_wrkdir); $(toolchain_srcdir)/configure --prefix=$(toolchain_dest)
$(MAKE) -C $(toolchain64_wrkdir)
$(toolchain_dest)/bin/$(target32)-gcc: $(toolchain_srcdir)
mkdir -p $(toolchain32_wrkdir)
cd $(toolchain32_wrkdir); $(toolchain_srcdir)/configure --prefix=$(toolchain_dest) --with-arch=RV32IMA
$(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
$(gdb_dest)/bin/$(target64)-gdb : $(gdb_srcdir)
mkdir -p $(gdb_wrkdir)
cd $(gdb_wrkdir); $(gdb_srcdir)/configure --prefix=$(gdb_dest) --target=riscv64-unknown-elf
$(MAKE) -C $(gdb_wrkdir)
$(MAKE) -C $(gdb_wrkdir) install
.PHONY: uninstall
uninstall:
rm -rf -- $(toolchain_dest)
#############################################################
# This Section is for MCS File Generation (
#############################################################
BOOTROM ?= demo
BOOTROM_DIR = $(srcdir)/bootrom/$(BOOTROM)/
.PHONY:
fpga:
cd $(BOOTROM_DIR);\
make mcs
fpga_clean:
cd $(BOOTROM_DIR);\
make clean
#############################################################
# This Section is for Software (non-boot) compilation
#############################################################
PROGRAM ?= demo_gpio
PROGRAM_DIR = $(srcdir)/software/$(PROGRAM)
.PHONY: software
software:
cd $(PROGRAM_DIR);\
make
software_clean:
cd $(PROGRAM_DIR);\
make clean
#############################################################
# This Section is for launching the debugger
#############################################################
OPENOCD = $(toolchain_dest)/bin/openocd
OPENOCDARGS += -f $(srcdir)/riscv-tests/debug/targets/m2gl_m2s/openocd.cfg
GDB = $(toolchain_dest)/bin/riscv64-unknown-elf-gdb
GDBARGS += -ex "target extended-remote localhost:3333"
run_debug:
$(OPENOCD) $(OPENOCDARGS) &
$(GDB) $(PROGRAM_DIR)/$(PROGRAM) $(GDBARGS)
.PHONY: clean
clean:
rm -rf -- $(wrkdir)
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