1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
RISCV_GNU_TOOLCHAIN_GIT_REVISION = 411d134
RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX = /opt/riscv32
# Give the user some easy overrides for local configuration quirks.
# If you change one of these and it breaks, then you get to keep both pieces.
SHELL = bash
PYTHON = python3
VERILATOR = verilator
ICARUS_SUFFIX =
IVERILOG = iverilog$(ICARUS_SUFFIX)
VVP = vvp$(ICARUS_SUFFIX)
TEST_OBJS = $(addsuffix .o,$(basename $(wildcard tests/*.S)))
FIRMWARE_OBJS = firmware/start.o firmware/irq.o firmware/print.o firmware/hello.o firmware/sieve.o firmware/multest.o firmware/stats.o
GCC_WARNS = -Werror -Wall -Wextra -Wshadow -Wundef -Wpointer-arith -Wcast-qual -Wcast-align -Wwrite-strings
GCC_WARNS += -Wredundant-decls -Wstrict-prototypes -Wmissing-prototypes -pedantic # -Wconversion
TOOLCHAIN_PREFIX = $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)i/bin/riscv32-unknown-elf-
COMPRESSED_ISA = C
# Add things like "export http_proxy=... https_proxy=..." here
GIT_ENV = true
test: testbench.vvp firmware/firmware.hex
$(VVP) -N $<
test_vcd: testbench.vvp firmware/firmware.hex
$(VVP) -N $< +vcd +trace +noerror
test_rvf: testbench_rvf.vvp firmware/firmware.hex
$(VVP) -N $< +vcd +trace +noerror
test_wb: testbench_wb.vvp firmware/firmware.hex
$(VVP) -N $<
test_wb_vcd: testbench_wb.vvp firmware/firmware.hex
$(VVP) -N $< +vcd +trace +noerror
test_ez: testbench_ez.vvp
$(VVP) -N $<
test_ez_vcd: testbench_ez.vvp
$(VVP) -N $< +vcd
test_sp: testbench_sp.vvp firmware/firmware.hex
$(VVP) -N $<
test_axi: testbench.vvp firmware/firmware.hex
$(VVP) -N $< +axi_test
test_synth: testbench_synth.vvp firmware/firmware.hex
$(VVP) -N $<
test_verilator: testbench_verilator firmware/firmware.hex
./testbench_verilator
testbench.vvp: testbench.v picorv32.v
$(IVERILOG) -o $@ $(subst C,-DCOMPRESSED_ISA,$(COMPRESSED_ISA)) $^
chmod -x $@
testbench_rvf.vvp: testbench.v picorv32.v rvfimon.v
$(IVERILOG) -o $@ -D RISCV_FORMAL $(subst C,-DCOMPRESSED_ISA,$(COMPRESSED_ISA)) $^
chmod -x $@
testbench_wb.vvp: testbench_wb.v picorv32.v
$(IVERILOG) -o $@ $(subst C,-DCOMPRESSED_ISA,$(COMPRESSED_ISA)) $^
chmod -x $@
testbench_ez.vvp: testbench_ez.v picorv32.v
$(IVERILOG) -o $@ $(subst C,-DCOMPRESSED_ISA,$(COMPRESSED_ISA)) $^
chmod -x $@
testbench_sp.vvp: testbench.v picorv32.v
$(IVERILOG) -o $@ $(subst C,-DCOMPRESSED_ISA,$(COMPRESSED_ISA)) -DSP_TEST $^
chmod -x $@
testbench_synth.vvp: testbench.v synth.v
$(IVERILOG) -o $@ -DSYNTH_TEST $^
chmod -x $@
testbench_verilator: testbench.v picorv32.v testbench.cc
$(VERILATOR) --cc --exe -Wno-lint -trace --top-module picorv32_wrapper testbench.v picorv32.v testbench.cc \
$(subst C,-DCOMPRESSED_ISA,$(COMPRESSED_ISA)) --Mdir testbench_verilator_dir
$(MAKE) -C testbench_verilator_dir -f Vpicorv32_wrapper.mk
cp testbench_verilator_dir/Vpicorv32_wrapper testbench_verilator
check: check-yices
check-%: check.smt2
yosys-smtbmc -s $(subst check-,,$@) -t 30 --dump-vcd check.vcd check.smt2
yosys-smtbmc -s $(subst check-,,$@) -t 25 --dump-vcd check.vcd -i check.smt2
check.smt2: picorv32.v
yosys -v2 -p 'read_verilog -formal picorv32.v' \
-p 'prep -top picorv32 -nordff' \
-p 'assertpmux -noinit; opt -fast; dffunmap' \
-p 'write_smt2 -wires check.smt2'
synth.v: picorv32.v scripts/yosys/synth_sim.ys
yosys -qv3 -l synth.log scripts/yosys/synth_sim.ys
firmware/firmware.hex: firmware/firmware.bin firmware/makehex.py
$(PYTHON) firmware/makehex.py $< 32768 > $@
firmware/firmware.bin: firmware/firmware.elf
$(TOOLCHAIN_PREFIX)objcopy -O binary $< $@
chmod -x $@
firmware/firmware.elf: $(FIRMWARE_OBJS) $(TEST_OBJS) firmware/sections.lds
$(TOOLCHAIN_PREFIX)gcc -Os -mabi=ilp32 -march=rv32im$(subst C,c,$(COMPRESSED_ISA)) -ffreestanding -nostdlib -o $@ \
-Wl,--build-id=none,-Bstatic,-T,firmware/sections.lds,-Map,firmware/firmware.map,--strip-debug \
$(FIRMWARE_OBJS) $(TEST_OBJS) -lgcc
chmod -x $@
firmware/start.o: firmware/start.S
$(TOOLCHAIN_PREFIX)gcc -c -mabi=ilp32 -march=rv32im$(subst C,c,$(COMPRESSED_ISA)) -o $@ $<
firmware/%.o: firmware/%.c
$(TOOLCHAIN_PREFIX)gcc -c -mabi=ilp32 -march=rv32i$(subst C,c,$(COMPRESSED_ISA)) -Os --std=c99 $(GCC_WARNS) -ffreestanding -nostdlib -o $@ $<
tests/%.o: tests/%.S tests/riscv_test.h tests/test_macros.h
$(TOOLCHAIN_PREFIX)gcc -c -mabi=ilp32 -march=rv32im -o $@ -DTEST_FUNC_NAME=$(notdir $(basename $<)) \
-DTEST_FUNC_TXT='"$(notdir $(basename $<))"' -DTEST_FUNC_RET=$(notdir $(basename $<))_ret $<
download-tools:
sudo bash -c 'set -ex; mkdir -p /var/cache/distfiles; $(GIT_ENV); \
$(foreach REPO,riscv-gnu-toolchain riscv-binutils-gdb riscv-gcc riscv-glibc riscv-newlib, \
if ! test -d /var/cache/distfiles/$(REPO).git; then rm -rf /var/cache/distfiles/$(REPO).git.part; \
git clone --bare https://github.com/riscv/$(REPO) /var/cache/distfiles/$(REPO).git.part; \
mv /var/cache/distfiles/$(REPO).git.part /var/cache/distfiles/$(REPO).git; else \
(cd /var/cache/distfiles/$(REPO).git; git fetch https://github.com/riscv/$(REPO)); fi;)'
define build_tools_template
build-$(1)-tools:
@read -p "This will remove all existing data from $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)$(subst riscv32,,$(1)). Type YES to continue: " reply && [[ "$$$$reply" == [Yy][Ee][Ss] || "$$$$reply" == [Yy] ]]
sudo bash -c "set -ex; rm -rf $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)$(subst riscv32,,$(1)); mkdir -p $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)$(subst riscv32,,$(1)); chown $$$${USER}: $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)$(subst riscv32,,$(1))"
+$(MAKE) build-$(1)-tools-bh
build-$(1)-tools-bh:
+set -ex; $(GIT_ENV); \
if [ -d /var/cache/distfiles/riscv-gnu-toolchain.git ]; then reference_riscv_gnu_toolchain="--reference /var/cache/distfiles/riscv-gnu-toolchain.git"; else reference_riscv_gnu_toolchain=""; fi; \
if [ -d /var/cache/distfiles/riscv-binutils-gdb.git ]; then reference_riscv_binutils_gdb="--reference /var/cache/distfiles/riscv-binutils-gdb.git"; else reference_riscv_binutils_gdb=""; fi; \
if [ -d /var/cache/distfiles/riscv-gcc.git ]; then reference_riscv_gcc="--reference /var/cache/distfiles/riscv-gcc.git"; else reference_riscv_gcc=""; fi; \
if [ -d /var/cache/distfiles/riscv-glibc.git ]; then reference_riscv_glibc="--reference /var/cache/distfiles/riscv-glibc.git"; else reference_riscv_glibc=""; fi; \
if [ -d /var/cache/distfiles/riscv-newlib.git ]; then reference_riscv_newlib="--reference /var/cache/distfiles/riscv-newlib.git"; else reference_riscv_newlib=""; fi; \
rm -rf riscv-gnu-toolchain-$(1); git clone $$$$reference_riscv_gnu_toolchain https://github.com/riscv/riscv-gnu-toolchain riscv-gnu-toolchain-$(1); \
cd riscv-gnu-toolchain-$(1); git checkout $(RISCV_GNU_TOOLCHAIN_GIT_REVISION); \
git submodule update --init $$$$reference_riscv_binutils_gdb riscv-binutils; \
git submodule update --init $$$$reference_riscv_binutils_gdb riscv-gdb; \
git submodule update --init $$$$reference_riscv_gcc riscv-gcc; \
git submodule update --init $$$$reference_riscv_glibc riscv-glibc; \
git submodule update --init $$$$reference_riscv_newlib riscv-newlib; \
mkdir build; cd build; ../configure --with-arch=$(2) --prefix=$(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)$(subst riscv32,,$(1)); make
.PHONY: build-$(1)-tools
endef
$(eval $(call build_tools_template,riscv32i,rv32i))
$(eval $(call build_tools_template,riscv32ic,rv32ic))
$(eval $(call build_tools_template,riscv32im,rv32im))
$(eval $(call build_tools_template,riscv32imc,rv32imc))
build-tools:
@echo "This will remove all existing data from $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)i, $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)ic, $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)im, and $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX)imc."
@read -p "Type YES to continue: " reply && [[ "$$reply" == [Yy][Ee][Ss] || "$$reply" == [Yy] ]]
sudo bash -c "set -ex; rm -rf $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX){i,ic,im,imc}; mkdir -p $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX){i,ic,im,imc}; chown $${USER}: $(RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX){i,ic,im,imc}"
+$(MAKE) build-riscv32i-tools-bh
+$(MAKE) build-riscv32ic-tools-bh
+$(MAKE) build-riscv32im-tools-bh
+$(MAKE) build-riscv32imc-tools-bh
toc:
gawk '/^-+$$/ { y=tolower(x); gsub("[^a-z0-9]+", "-", y); gsub("-$$", "", y); printf("- [%s](#%s)\n", x, y); } { x=$$0; }' README.md
clean:
rm -rf riscv-gnu-toolchain-riscv32i riscv-gnu-toolchain-riscv32ic \
riscv-gnu-toolchain-riscv32im riscv-gnu-toolchain-riscv32imc
rm -vrf $(FIRMWARE_OBJS) $(TEST_OBJS) check.smt2 check.vcd synth.v synth.log \
firmware/firmware.elf firmware/firmware.bin firmware/firmware.hex firmware/firmware.map \
testbench.vvp testbench_sp.vvp testbench_synth.vvp testbench_ez.vvp \
testbench_rvf.vvp testbench_wb.vvp testbench.vcd testbench.trace \
testbench_verilator testbench_verilator_dir
.PHONY: test test_vcd test_sp test_axi test_wb test_wb_vcd test_ez test_ez_vcd test_synth download-tools build-tools toc clean
|
