merging changes from OPAE branch making this branch

driver/tests/basic/Makefile

@@ -0,0 +1,37 @@
+
+CXXFLAGS += -std=c++17 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
+
+CXXFLAGS += -I../../sw/include
+
+LDFLAGS += 
+
+PROJECT = basic
+
+SRCS = basic.cpp
+
+all: $(PROJECT)
+
+$(PROJECT): $(SRCS)
+	$(CXX) $(CXXFLAGS) $^ $(LDFLAGS) -L../../sw/simx -lvortex -o $@
+
+run-fpga: $(PROJECT)
+	LD_LIBRARY_PATH=../../sw/opae:$(LD_LIBRARY_PATH) ./$(PROJECT)
+
+run-ase: $(PROJECT)
+	LD_LIBRARY_PATH=../../sw/opae/ase:$(LD_LIBRARY_PATH) ./$(PROJECT)
+
+run-rtlsim: $(PROJECT)
+	LD_LIBRARY_PATH=../../sw/rtlsim:$(LD_LIBRARY_PATH) ./$(PROJECT)
+
+run-simx: $(PROJECT)
+	LD_LIBRARY_PATH=../../sw/simx:$(LD_LIBRARY_PATH) ./$(PROJECT)
+
+.depend: $(SRCS)
+	$(CXX) $(CXXFLAGS) -MM $^ > .depend;
+
+clean:
+	rm -rf $(PROJECT) *.o .depend 
+
+ifneq ($(MAKECMDGOALS),clean)
+    -include .depend
+endif

driver/tests/basic/basic.cpp

@@ -0,0 +1,107 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <vortex.h>
+
+static void parse_args(int argc, char **argv) {
+  int c;
+  while ((c = getopt(argc, argv, "?")) != -1) {
+    switch (c) {
+    case '?': {
+      printf("Test.\n");
+      printf("Usage: [-h: help]\n");
+      exit(0);
+    } break;
+    default:
+      exit(-1);
+    }
+  }
+}
+
+uint64_t shuffle(int i, uint64_t value) {
+  return (value << i) | (value & ((1 << i)-1));;
+}
+
+int run_test(vx_buffer_h sbuf, vx_buffer_h dbuf, uint32_t address, uint64_t value, int num_blocks) {
+  int err;
+  int num_failures = 0;
+
+  // write sbuf data
+  for (int i = 0; i < 8 * num_blocks; ++i) {
+    ((uint64_t*)vx_host_ptr(sbuf))[i] = shuffle(i, value);
+  }
+
+  // write buffer to local memory
+  err = vx_copy_to_dev(sbuf, address, 64 * num_blocks, 0);
+  if (err != 0)
+    return -1;
+
+  // read buffer from local memory
+  err = vx_copy_from_dev(dbuf, address, 64 * num_blocks, 0);
+  if (err != 0)
+    return -1;
+
+  // verify result
+  for (int i = 0; i < 8 * num_blocks; ++i) {
+    auto curr = ((uint64_t*)vx_host_ptr(dbuf))[i];
+    auto ref = shuffle(i, value);
+    if (curr != ref) {
+      printf("error @ %x: actual %ld, expected %ld\n", address + 64 * i, curr, ref);
+      ++num_failures;
+    }
+  }  
+  return num_failures;
+}
+
+int main(int argc, char *argv[]) {
+  int err;
+  int num_failures = 0;
+
+  // parse command arguments
+  parse_args(argc, argv);
+
+  // open device connection
+  vx_device_h device;
+  err = vx_dev_open(&device);
+  if (err != 0)
+    return -1;
+
+  // create source buffer
+  vx_buffer_h sbuf;
+  err = vx_alloc_shared_mem(device, 4096, &sbuf);
+  if (err != 0) {
+    vx_dev_close(device);
+    return -1;
+  }
+  
+  // create destination buffer
+  vx_buffer_h dbuf;
+  err = vx_alloc_shared_mem(device, 4096, &dbuf);
+  if (err != 0) {
+    vx_buf_release(sbuf);
+    vx_dev_close(device);
+    return -1;
+  }
+
+  // run tests
+  num_failures += run_test(sbuf, dbuf, 0x10000000, 0x0badf00d00ff00ff, 1);
+  num_failures += run_test(sbuf, dbuf, 0x10000000, 0x0badf00d00ff00ff, 2);
+  num_failures += run_test(sbuf, dbuf, 0x20000000, 0xff00ff00ff00ff00, 4);
+  num_failures += run_test(sbuf, dbuf, 0x20000000, 0x0badf00d40ff40ff, 8);
+
+  // releae buffers
+  vx_buf_release(sbuf);
+  vx_buf_release(dbuf);
+
+  // close device
+  vx_dev_close(device);
+
+  if (0 == num_failures) {
+    printf("Test PASSED\n");
+  } else {
+    printf("Test FAILED\n");
+  }
+
+  return num_failures;
+}

driver/tests/demo/Makefile

@@ -0,0 +1,70 @@
+RISCV_TOOL_PATH ?= $(wildcard ~/dev/riscv-gnu-toolchain/drops)
+VX_RT_PATH ?= $(wildcard ../../../runtime)
+
+MAX_WARPS ?= 8
+MAX_THREADS ?= 4
+
+VX_CC   = $(RISCV_TOOL_PATH)/bin/riscv32-unknown-elf-gcc
+VX_CXX  = $(RISCV_TOOL_PATH)/bin/riscv32-unknown-elf-g++
+VX_DMP  = $(RISCV_TOOL_PATH)/bin/riscv32-unknown-elf-objdump
+VX_CPY  = $(RISCV_TOOL_PATH)/bin/riscv32-unknown-elf-objcopy
+
+VX_NEWLIB = $(VX_RT_PATH)/newlib/newlib.c
+VX_STR  = $(VX_RT_PATH)/startup/vx_start.s
+VX_INT  = $(VX_RT_PATH)/intrinsics/vx_intrinsics.s
+VX_IO   = $(VX_RT_PATH)/io/vx_io.s $(VX_RT_PATH)/io/vx_io.c
+VX_API  = $(VX_RT_PATH)/vx_api/vx_api.c
+VX_FIO  = $(VX_RT_PATH)/fileio/fileio.s
+
+VX_CFLAGS = -v -march=rv32im -mabi=ilp32 -O3 -Wl,-Bstatic,-T,$(VX_RT_PATH)/mains/vortex_link.ld -ffreestanding -nostartfiles -Wl,--gc-sections
+
+VX_CFLAGS += -DMAX_WARPS=$(MAX_WARPS) -DMAX_THREADS=$(MAX_THREADS)
+
+VX_SRCS = kernel.c
+
+CXXFLAGS += -std=c++17 -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
+
+CXXFLAGS += -I../../sw/include
+
+PROJECT = demo
+
+SRCS = demo.cpp
+
+all: $(PROJECT)
+ 
+$(PROJECT).dump: $(PROJECT).elf
+	$(VX_DMP) -D $(PROJECT).elf > $(PROJECT).dump
+
+$(PROJECT).hex: $(PROJECT).elf
+	$(VX_CPY) -O ihex $(PROJECT).elf $(PROJECT).hex
+
+$(PROJECT).bin: $(PROJECT).elf
+	$(VX_CPY) -O binary $(PROJECT).elf $(PROJECT).bin
+
+$(PROJECT).elf: $(SRCS)
+	$(VX_CC) $(VX_CFLAGS) $(VX_STR) $(VX_FIO) $(VX_NEWLIB) $(VX_INT) $(VX_IO) $(VX_API) $(VX_SRCS) -I$(VX_RT_PATH)  -o $(PROJECT).elf
+
+$(PROJECT): $(SRCS)
+	$(CXX) $(CXXFLAGS) $^ $(LDFLAGS) -L../../sw/simx -lvortex -o $@
+
+run-fpga: $(PROJECT)
+	LD_LIBRARY_PATH=../../sw/opae:$(LD_LIBRARY_PATH) ./$(PROJECT) -f $(PROJECT).bin
+
+run-ase: $(PROJECT)
+	LD_LIBRARY_PATH=../../sw/opae/ase:$(LD_LIBRARY_PATH) ./$(PROJECT) -f $(PROJECT).bin
+
+run-rtlsim: $(PROJECT)
+	LD_LIBRARY_PATH=../../sw/rtlsim:$(LD_LIBRARY_PATH) ./$(PROJECT) -f $(PROJECT).bin
+
+run-simx: $(PROJECT)
+	LD_LIBRARY_PATH=../../sw/simx:$(LD_LIBRARY_PATH) ./$(PROJECT) -f $(PROJECT).bin
+
+.depend: $(SRCS)
+	$(CXX) $(CXXFLAGS) -MM $^ > .depend;
+
+clean:
+	rm -rf $(PROJECT) *.o *.dump .depend 
+
+ifneq ($(MAKECMDGOALS),clean)
+    -include .depend
+endif

driver/tests/demo/demo.cpp

@@ -0,0 +1,75 @@
+#include <iostream>
+#include <unistd.h>
+#include <vortex.h>
+
+const char* program_file = nullptr;
+
+static void show_usage() {
+   std::cout << "Vortex Driver Test." << std::endl;
+   std::cout << "Usage: -f: program [-h: help]" << std::endl;
+}
+
+static void parse_args(int argc, char **argv) {
+  int c;
+  while ((c = getopt(argc, argv, "f:h?")) != -1) {
+    switch (c) {
+    case 'f': {
+      program_file = optarg;
+    } break;
+    case 'h':
+    case '?': {
+      show_usage();
+      exit(0);
+    } break;
+    default:
+      show_usage();
+      exit(-1);
+    }
+  }
+
+  if (nullptr == program_file) {
+    show_usage();
+    exit(-1);
+  }
+}
+
+int main(int argc, char *argv[]) {
+  int err;
+  
+  // parse command arguments
+  parse_args(argc, argv);
+
+  // open device connection
+  vx_device_h device;
+  err = vx_dev_open(&device);
+  if (err != 0)
+    return -1;
+
+  // upload program
+  err = vx_upload_kernel_file(device, program_file);
+  if (err != 0) {
+    vx_dev_close(device);
+    return -1;  
+  }
+
+  // start device
+  err = vx_start(device);
+  if (err != 0) {
+    vx_dev_close(device);
+    return -1;  
+  }
+
+  // wait for completion
+  err = vx_ready_wait(device, -1);
+  if (err != 0) {
+    vx_dev_close(device);
+    return -1;  
+  }
+
+  // close device
+  vx_dev_close(device);
+
+  printf("done!\n");
+
+  return 0;
+}

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driver/tests/demo/kernel.c

@@ -0,0 +1,25 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include "intrinsics/vx_intrinsics.h"
+
+void main() {
+	unsigned *x = (unsigned*)0x10000000;
+	unsigned *y = (unsigned*)0x20000000;
+	unsigned *z = (unsigned*)0x30000000;
+
+	unsigned wid = vx_warpID();
+
+	unsigned tid = vx_threadID();
+
+	unsigned i = (wid * MAX_THREADS) + tid;
+
+	//if (i == 0) {
+	//	printf("begin\n");
+  //}
+
+	z[i] = x[i] + y[i];
+
+	//if (i == 0) {
+	//	printf("end\n");
+	//}
+}