Vortex 2.0 changes:

+ Microarchitecture optimizations
+ 64-bit support
+ Xilinx FPGA support
+ LLVM-16 support
+ Refactoring and quality control fixes

hw/syn/xilinx/test/kernel/Makefile

@@ -0,0 +1,51 @@
+XLEN ?= 32
+
+ifeq ($(XLEN),64)
+RISCV_TOOLCHAIN_PATH ?= /opt/riscv64-gnu-toolchain
+CFLAGS += -march=rv64imafd -mabi=lp64d
+else
+RISCV_TOOLCHAIN_PATH ?= /opt/riscv-gnu-toolchain
+CFLAGS += -march=rv32imaf -mabi=ilp32f
+endif
+
+RISCV_PREFIX ?= riscv$(XLEN)-unknown-elf
+
+VORTEX_RT_PATH ?= $(realpath ../../../../../kernel)
+BIN2COE_PATH ?= ../../../../../../bin2coe
+
+CC = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-gcc
+AR = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-gcc-ar
+DP = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-objdump
+CP = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-objcopy
+
+CFLAGS += -O3 -Wstack-usage=1024 -ffreestanding -nostartfiles -fdata-sections -ffunction-sections
+CFLAGS += -I$(VORTEX_RT_PATH)/include -I$(VORTEX_RT_PATH)/../hw
+
+LDFLAGS += -lm -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link$(XLEN).ld,--defsym=STARTUP_ADDR=0x80000000
+
+PROJECT = kernel
+
+SRCS = main.c start.S
+
+all: $(PROJECT).elf $(PROJECT).hex $(PROJECT).bin $(PROJECT).dump $(PROJECT).bin.coe
+
+$(PROJECT).dump: $(PROJECT).elf
+	$(DP) -D $(PROJECT).elf > $(PROJECT).dump
+
+$(PROJECT).hex: $(PROJECT).elf
+	$(CP) -O ihex $(PROJECT).elf $(PROJECT).hex
+
+$(PROJECT).bin: $(PROJECT).elf
+	$(CP) -O binary $(PROJECT).elf $(PROJECT).bin
+
+$(PROJECT).bin.coe: $(PROJECT).bin
+	$(BIN2COE_PATH)/bin2coe $(PROJECT).bin --out=$(PROJECT).bin.coe --binary=$(PROJECT).bin --data=$(PROJECT).dat --binaddr=8192 --depth=16384 --wordsize=64
+
+$(PROJECT).elf: $(SRCS)
+	$(CC) $(CFLAGS) $(SRCS) $(LDFLAGS) -o $(PROJECT).elf
+
+.depend: $(SRCS)
+	$(CC) $(CFLAGS) -MM $^ > .depend;
+
+clean:
+	rm -rf *.bin *.elf *.hex *.dump *.coe .depend 

hw/syn/xilinx/test/kernel/kernel.dat

@@ -0,0 +1,3 @@
+@1
+000000C00000008000000002,
+00000003000000020000000100000000,

hw/syn/xilinx/test/kernel/main.c

@@ -0,0 +1,38 @@
+// Copyright © 2019-2023
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <stdint.h>
+#include <vx_intrinsics.h>
+
+#define KERNEL_ARG_DEV_MEM_ADDR 0x40
+
+typedef struct {
+  uint32_t count;
+  uint32_t src_addr;
+  uint32_t dst_addr;  
+} kernel_arg_t;
+
+int main() {
+	kernel_arg_t* arg = (kernel_arg_t*)KERNEL_ARG_DEV_MEM_ADDR;
+	uint32_t count   = arg->count;
+	int32_t* src_ptr = (int32_t*)arg->src_addr;
+	int32_t* dst_ptr = (int32_t*)arg->dst_addr;
+
+	uint32_t offset  = vx_core_id() * count;
+	
+	for (uint32_t i = 0; i < count; ++i) {
+		dst_ptr[offset + i] = src_ptr[offset + i];
+	}
+	
+	return 0;
+}

hw/syn/xilinx/test/kernel/start.S

@@ -0,0 +1,23 @@
+// Copyright © 2019-2023
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+.section .init, "ax"
+.global _start
+.type _start, @function
+_start:
+  # call main routine
+  call main
+
+  # end execution
+  .insn r 0x0b, 0, 0, x0, x0, x0
+.size _start, .-_start