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picorv32
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added CROSS prefix and CFLAGS to the picsoc/Makefile 

so one can run it with other toolchains, e.g.
CROSS=riscv64-t2-linux-gnu- CFLAGS=-mabi=ilp32, too
This commit is contained in:
René Rebe 2019-11-14 12:26:47 +01:00
parent 46aa89c13f
commit 1e24e99970
1 changed files with 11 additions and 8 deletions
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19
picosoc/Makefile
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@ -1,4 +1,7 @@
CROSS=riscv32-unknown-elf-
CFLAGS=
# ---- iCE40 HX8K Breakout Board ----
hx8ksim: hx8kdemo_tb.vvp hx8kdemo_fw.hex
@ -34,16 +37,16 @@ hx8kprog_fw: hx8kdemo_fw.bin
iceprog -o 1M hx8kdemo_fw.bin
hx8kdemo_sections.lds: sections.lds
riscv32-unknown-elf-cpp -P -DHX8KDEMO -o $@ $^
$(CROSS)cpp -P -DHX8KDEMO -o $@ $^
hx8kdemo_fw.elf: hx8kdemo_sections.lds start.s firmware.c
riscv32-unknown-elf-gcc -DHX8KDEMO -march=rv32imc -Wl,-Bstatic,-T,hx8kdemo_sections.lds,--strip-debug -ffreestanding -nostdlib -o hx8kdemo_fw.elf start.s firmware.c
$(CROSS)gcc $(CFLAGS) -DHX8KDEMO -march=rv32imc -Wl,-Bstatic,-T,hx8kdemo_sections.lds,--strip-debug -ffreestanding -nostdlib -o hx8kdemo_fw.elf start.s firmware.c
hx8kdemo_fw.hex: hx8kdemo_fw.elf
riscv32-unknown-elf-objcopy -O verilog hx8kdemo_fw.elf hx8kdemo_fw.hex
$(CROSS)objcopy -O verilog hx8kdemo_fw.elf hx8kdemo_fw.hex
hx8kdemo_fw.bin: hx8kdemo_fw.elf
riscv32-unknown-elf-objcopy -O binary hx8kdemo_fw.elf hx8kdemo_fw.bin
$(CROSS)objcopy -O binary hx8kdemo_fw.elf hx8kdemo_fw.bin
# ---- iCE40 IceBreaker Board ----
@ -80,16 +83,16 @@ icebprog_fw: icebreaker_fw.bin
iceprog -o 1M icebreaker_fw.bin
icebreaker_sections.lds: sections.lds
riscv32-unknown-elf-cpp -P -DICEBREAKER -o $@ $^
$(CROSS)cpp -P -DICEBREAKER -o $@ $^
icebreaker_fw.elf: icebreaker_sections.lds start.s firmware.c
riscv32-unknown-elf-gcc -DICEBREAKER -march=rv32ic -Wl,-Bstatic,-T,icebreaker_sections.lds,--strip-debug -ffreestanding -nostdlib -o icebreaker_fw.elf start.s firmware.c
$(CROSS)gcc $(CFLAGS) -DICEBREAKER -march=rv32ic -Wl,-Bstatic,-T,icebreaker_sections.lds,--strip-debug -ffreestanding -nostdlib -o icebreaker_fw.elf start.s firmware.c
icebreaker_fw.hex: icebreaker_fw.elf
riscv32-unknown-elf-objcopy -O verilog icebreaker_fw.elf icebreaker_fw.hex
$(CROSS)objcopy -O verilog icebreaker_fw.elf icebreaker_fw.hex
icebreaker_fw.bin: icebreaker_fw.elf
riscv32-unknown-elf-objcopy -O binary icebreaker_fw.elf icebreaker_fw.bin
$(CROSS)objcopy -O binary icebreaker_fw.elf icebreaker_fw.bin
# ---- Testbench for SPI Flash Model ----