Vortex 2.0 changes:
+ Microarchitecture optimizations + 64-bit support + Xilinx FPGA support + LLVM-16 support + Refactoring and quality control fixes minor update minor update minor update minor update minor update minor update cleanup cleanup cache bindings and memory perf refactory minor update minor update hw unit tests fixes minor update minor update minor update minor update minor update minor udpate minor update minor update minor update minor update minor update minor update minor update minor updates minor updates minor update minor update minor update minor update minor update minor update minor updates minor updates minor updates minor updates minor update minor update
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Blaise Tine
51
hw/syn/xilinx/test/kernel/Makefile
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51
hw/syn/xilinx/test/kernel/Makefile
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XLEN ?= 32
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ifeq ($(XLEN),64)
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RISCV_TOOLCHAIN_PATH ?= /opt/riscv64-gnu-toolchain
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CFLAGS += -march=rv64imafd -mabi=lp64d
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else
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RISCV_TOOLCHAIN_PATH ?= /opt/riscv-gnu-toolchain
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CFLAGS += -march=rv32imaf -mabi=ilp32f
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endif
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RISCV_PREFIX ?= riscv$(XLEN)-unknown-elf
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VORTEX_RT_PATH ?= $(realpath ../../../../../kernel)
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BIN2COE_PATH ?= ../../../../../../bin2coe
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CC = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-gcc
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AR = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-gcc-ar
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DP = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-objdump
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CP = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-objcopy
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CFLAGS += -O3 -Wstack-usage=1024 -ffreestanding -nostartfiles -fdata-sections -ffunction-sections
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CFLAGS += -I$(VORTEX_RT_PATH)/include -I$(VORTEX_RT_PATH)/../hw
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LDFLAGS += -lm -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link$(XLEN).ld,--defsym=STARTUP_ADDR=0x80000000
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PROJECT = kernel
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SRCS = main.c start.S
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all: $(PROJECT).elf $(PROJECT).hex $(PROJECT).bin $(PROJECT).dump $(PROJECT).bin.coe
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$(PROJECT).dump: $(PROJECT).elf
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$(DP) -D $(PROJECT).elf > $(PROJECT).dump
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$(PROJECT).hex: $(PROJECT).elf
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$(CP) -O ihex $(PROJECT).elf $(PROJECT).hex
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$(PROJECT).bin: $(PROJECT).elf
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$(CP) -O binary $(PROJECT).elf $(PROJECT).bin
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$(PROJECT).bin.coe: $(PROJECT).bin
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$(BIN2COE_PATH)/bin2coe $(PROJECT).bin --out=$(PROJECT).bin.coe --binary=$(PROJECT).bin --data=$(PROJECT).dat --binaddr=8192 --depth=16384 --wordsize=64
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$(PROJECT).elf: $(SRCS)
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$(CC) $(CFLAGS) $(SRCS) $(LDFLAGS) -o $(PROJECT).elf
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.depend: $(SRCS)
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$(CC) $(CFLAGS) -MM $^ > .depend;
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clean:
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rm -rf *.bin *.elf *.hex *.dump *.coe .depend
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3
hw/syn/xilinx/test/kernel/kernel.dat
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3
hw/syn/xilinx/test/kernel/kernel.dat
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@1
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000000C00000008000000002,
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00000003000000020000000100000000,
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38
hw/syn/xilinx/test/kernel/main.c
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38
hw/syn/xilinx/test/kernel/main.c
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// Copyright © 2019-2023
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdint.h>
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#include <vx_intrinsics.h>
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#define KERNEL_ARG_DEV_MEM_ADDR 0x40
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typedef struct {
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uint32_t count;
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uint32_t src_addr;
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uint32_t dst_addr;
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} kernel_arg_t;
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int main() {
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kernel_arg_t* arg = (kernel_arg_t*)KERNEL_ARG_DEV_MEM_ADDR;
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uint32_t count = arg->count;
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int32_t* src_ptr = (int32_t*)arg->src_addr;
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int32_t* dst_ptr = (int32_t*)arg->dst_addr;
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uint32_t offset = vx_core_id() * count;
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for (uint32_t i = 0; i < count; ++i) {
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dst_ptr[offset + i] = src_ptr[offset + i];
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}
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return 0;
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}
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23
hw/syn/xilinx/test/kernel/start.S
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23
hw/syn/xilinx/test/kernel/start.S
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// Copyright © 2019-2023
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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.section .init, "ax"
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.global _start
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.type _start, @function
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_start:
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# call main routine
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call main
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# end execution
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.insn r 0x0b, 0, 0, x0, x0, x0
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.size _start, .-_start
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