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driver update

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This commit is contained in:
Blaise Tine 2020-03-16 18:13:58 -04:00
parent 55e2cb4a76
commit f034b4c63a
6 changed files with 103 additions and 95 deletions
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4
driver/sim/Makefile
View file

@ -1,11 +1,11 @@
CXXFLAGS += -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
CXXFLAGS += -O3 -Wall -Wextra -pedantic -Wfatal-errors
CXXFLAGS += -I../sw
LDFLAGS += -L./obj_dir
DRV_CFLAGS += -O0 -g -Wall -Wextra -pedantic -Wfatal-errors
DRV_CFLAGS += -O3 -Wall -Wextra -pedantic -Wfatal-errors
DRV_CFLAGS += -I../../sw

4
driver/sim/vx_driver.cpp
View file

@ -87,7 +87,7 @@ public:
~vx_device() {
mutex_.lock();
is_done_ = false;
is_done_ = true;
mutex_.unlock();
thread_.join();
@ -171,6 +171,8 @@ private:
std::cout << "Device ready..." << std::endl;
}
}
std::cout << "Device shutdown..." << std::endl;
}
static void __thread_proc__(vx_device* device) {

8
driver/sw/Makefile
View file

@ -48,11 +48,11 @@ $(PROJECT): vx_driver.o
$(PROJECT_ASE): vx_driver.o
$(CC) $(DRV_CFLAGS) -DUSE_ASE $^ $(DRV_LDFLAGS) $(ASE_LIBS) -o $@
test: test.o $(PROJECT)
$(CXX) $(CXXFLAGS) test.o $(LDFLAGS) -lvxdrv -o $@
test: test.o utils.o $(PROJECT)
$(CXX) $(CXXFLAGS) test.o utils.o $(LDFLAGS) -lvxdrv -o $@
test_ase: test.o $(PROJECT_ASE)
$(CXX) $(CXXFLAGS) -DUSE_ASE test.o $(LDFLAGS) -lvxdrv_ase -o $@
test_ase: test.o utils.o $(PROJECT_ASE)
$(CXX) $(CXXFLAGS) -DUSE_ASE test.o utils.o $(LDFLAGS) -lvxdrv_ase -o $@
vx_driver.o: vx_driver.c
$(CC) $(DRV_CFLAGS) -c $^ -o $@

87
driver/sw/test.cpp
View file

@ -1,6 +1,5 @@
#include <vx_driver.h>
#include <iostream>
#include <fstream>
#include <unistd.h>
#include "utils.h"
@ -38,90 +37,6 @@ static void parse_args(int argc, char **argv) {
}
}
static int upload_program(vx_device_h device, const char* filename, uint32_t transfer_size = 16 * VX_CACHE_LINESIZE) {
std::ifstream ifs(filename);
if (!ifs) {
std::cout << "error: " << filename << " not found" << std::endl;
return -1;
}
// allocate device buffer
auto buffer = vx_buf_alloc(device, transfer_size);
if (nullptr == buffer)
return -1;
// get buffer address
auto buf_ptr = (uint8_t*)vs_buf_ptr(buffer);
//
// copy initialization routine
//
((uint32_t*)buf_ptr)[0] = 0xf1401073;
((uint32_t*)buf_ptr)[1] = 0xf1401073;
((uint32_t*)buf_ptr)[2] = 0x30101073;
((uint32_t*)buf_ptr)[3] = 0x800000b7;
((uint32_t*)buf_ptr)[4] = 0x000080e7;
vx_copy_to_fpga(buffer, 0, 5 * 4, 0);
//
// copy hex program
//
char line[ihex_t::MAX_LINE_SIZE];
uint32_t hex_offset = 0;
uint32_t prev_hex_address = 0;
uint32_t dest_address = -1;
uint32_t src_offset = 0;
while (true) {
ifs.getline(line, ihex_t::MAX_LINE_SIZE);
if (!ifs)
break;
ihex_t ihex;
parse_ihex_line(line, &ihex);
if (ihex.is_eof)
break;
if (ihex.has_offset) {
hex_offset = ihex.offset;
}
if (ihex.data_size != 0) {
auto hex_address = ihex.address + hex_offset;
if (dest_address == (uint32_t)-1) {
dest_address = (hex_address / VX_CACHE_LINESIZE) * VX_CACHE_LINESIZE;
src_offset = hex_address - dest_address;
} else {
auto delta = hex_address - prev_hex_address;
src_offset += delta;
}
for (uint32_t i = 0; i < ihex.data_size; ++i) {
if (src_offset >= transfer_size) {
// flush current batch to FPGA
vx_copy_to_fpga(buffer, dest_address, transfer_size, 0);
dest_address = (hex_address/ VX_CACHE_LINESIZE) * VX_CACHE_LINESIZE;
src_offset = hex_address - dest_address;
}
buf_ptr[src_offset++] = ihex.data[i];
++hex_address;
}
prev_hex_address = hex_address;
}
}
// flush last batch to FPGA
if (src_offset) {
vx_copy_to_fpga(buffer, dest_address, src_offset, 0);
}
vx_buf_release(buffer);
return 0;
}
int main(int argc, char *argv[]) {
// parse command arguments
parse_args(argc, argv);
@ -146,7 +61,7 @@ int main(int argc, char *argv[]) {
vx_dev_close(device);
return -1;
}
// close device
vx_dev_close(device);

89
driver/sw/utils.cpp
View file

@ -1,4 +1,5 @@
#include <iostream>
#include <fstream>
#include "utils.h"
static uint32_t hti_old(char c) {
@ -66,4 +67,90 @@ int parse_ihex_line(char* line, ihex_t* out) {
out->is_eof = is_eof;
return 0;
}
}
int upload_program(vx_device_h device, const char* filename) {
std::ifstream ifs(filename);
if (!ifs) {
std::cout << "error: " << filename << " not found" << std::endl;
return -1;
}
uint32_t transfer_size = 16 * VX_CACHE_LINESIZE;
// allocate device buffer
auto buffer = vx_buf_alloc(device, transfer_size);
if (nullptr == buffer)
return -1;
// get buffer address
auto buf_ptr = (uint8_t*)vs_buf_ptr(buffer);
//
// copy initialization routine
//
((uint32_t*)buf_ptr)[0] = 0xf1401073;
((uint32_t*)buf_ptr)[1] = 0xf1401073;
((uint32_t*)buf_ptr)[2] = 0x30101073;
((uint32_t*)buf_ptr)[3] = 0x800000b7;
((uint32_t*)buf_ptr)[4] = 0x000080e7;
vx_copy_to_fpga(buffer, 0, 5 * 4, 0);
//
// copy hex program
//
char line[ihex_t::MAX_LINE_SIZE];
uint32_t hex_offset = 0;
uint32_t prev_hex_address = 0;
uint32_t dest_address = -1;
uint32_t src_offset = 0;
while (true) {
ifs.getline(line, ihex_t::MAX_LINE_SIZE);
if (!ifs)
break;
ihex_t ihex;
parse_ihex_line(line, &ihex);
if (ihex.is_eof)
break;
if (ihex.has_offset) {
hex_offset = ihex.offset;
}
if (ihex.data_size != 0) {
auto hex_address = ihex.address + hex_offset;
if (dest_address == (uint32_t)-1) {
dest_address = (hex_address / VX_CACHE_LINESIZE) * VX_CACHE_LINESIZE;
src_offset = hex_address - dest_address;
} else {
auto delta = hex_address - prev_hex_address;
src_offset += delta;
}
for (uint32_t i = 0; i < ihex.data_size; ++i) {
if (src_offset >= transfer_size) {
// flush current batch to FPGA
vx_copy_to_fpga(buffer, dest_address, transfer_size, 0);
dest_address = (hex_address/ VX_CACHE_LINESIZE) * VX_CACHE_LINESIZE;
src_offset = hex_address - dest_address;
}
buf_ptr[src_offset++] = ihex.data[i];
++hex_address;
}
prev_hex_address = hex_address;
}
}
// flush last batch to FPGA
if (src_offset) {
vx_copy_to_fpga(buffer, dest_address, src_offset, 0);
}
vx_buf_release(buffer);
return 0;
}

6
driver/sw/utils.h
View file

@ -1,6 +1,8 @@
#pragma once
#include <vx_driver.h>
struct ihex_t {
static constexpr int MAX_LINE_SIZE = 524;
static constexpr int MAX_DATA_SIZE = 255;
@ -12,4 +14,6 @@ struct ihex_t {
bool is_eof;
};
int parse_ihex_line(char* line, ihex_t* out);
int parse_ihex_line(char* line, ihex_t* out);
int upload_program(vx_device_h device, const char* filename);