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VexRiscv
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Briey SoC is now working with openOCD TCP JTAG connection. (GDB OK) 

Add SDRAM Verilator model
This commit is contained in:
Charles Papon 2017-06-07 04:19:35 +02:00
parent 1e18daecc0
commit 8da413dec3
12 changed files with 1273 additions and 10 deletions
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2
src/main/scala/SpinalRiscv/demo/Briey.scala
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@ -339,7 +339,7 @@ class Briey(config: BrieyConfig) extends Component{
object Briey{
def main(args: Array[String]) {
val config = SpinalConfig().dumpWave()
val config = SpinalConfig()
config.generateVerilog({
val toplevel = new Briey(BrieyConfig.default)
toplevel

22
src/main/scala/SpinalRiscv/ip/DataCache.scala
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@ -187,6 +187,7 @@ case class DataCacheMemCmd(p : DataCacheConfig) extends Bundle{
val data = Bits(p.memDataWidth bits)
val mask = Bits(p.memDataWidth/8 bits)
val length = UInt(log2Up(p.burstLength) bits)
val last = Bool
}
case class DataCacheMemRsp(p : DataCacheConfig) extends Bundle{
val data = Bits(p.memDataWidth bit)
@ -212,21 +213,23 @@ case class DataCacheMemBus(p : DataCacheConfig) extends Bundle with IMasterSlave
)
val cmdPreFork = if (stageCmd) cmd.stage.stage().s2mPipe() else cmd
val (cmdFork, dataFork) = StreamFork2(cmdPreFork.haltWhen((pendingWrites =/= 0 && !cmdPreFork.wr) || pendingWrites === pendingWritesMax))
axi.sharedCmd.arbitrationFrom(cmdFork)
axi.sharedCmd.write := cmdFork.wr
val hazard = (pendingWrites =/= 0 && !cmdPreFork.wr) || pendingWrites === pendingWritesMax
val (cmdFork, dataFork) = StreamFork2(cmdPreFork.haltWhen(hazard))
val cmdStage = cmdFork.throwWhen(RegNextWhen(!cmdFork.last,cmdFork.fire).init(False))
val dataStage = dataFork.throwWhen(!dataFork.wr)
axi.sharedCmd.arbitrationFrom(cmdStage)
axi.sharedCmd.write := cmdStage.wr
axi.sharedCmd.prot := "010"
axi.sharedCmd.cache := "1111"
axi.sharedCmd.size := log2Up(p.memDataWidth/8)
axi.sharedCmd.addr := cmdFork.address
axi.sharedCmd.len := cmdFork.length.resized
axi.sharedCmd.addr := cmdStage.address
axi.sharedCmd.len := cmdStage.length.resized
val dataStage = dataFork.throwWhen(!dataFork.wr)
axi.writeData.arbitrationFrom(dataStage)
axi.writeData.last := True
axi.writeData.data := dataStage.data
axi.writeData.strb := dataStage.mask
axi.writeData.last := dataStage.last
rsp.valid := axi.r.valid
rsp.error := !axi.r.isOKAY()
@ -441,6 +444,7 @@ class DataCache(p : DataCacheConfig) extends Component{
io.mem.cmd.length := p.burstLength-1
io.mem.cmd.data := bufferReaded.payload
io.mem.cmd.mask := (1<<(wordWidth/8))-1
io.mem.cmd.last := bufferReadedCounter === bufferReadedCounter.maxValue
when(!memCmdAlreadyUsed && io.mem.cmd.ready){
bufferReaded.ready := True
@ -556,6 +560,7 @@ class DataCache(p : DataCacheConfig) extends Component{
io.mem.cmd.mask := writeMask
io.mem.cmd.data := request.data
io.mem.cmd.length := 0
io.mem.cmd.last := True
when(!memCmdSent) {
io.mem.cmd.valid := True
@ -606,6 +611,7 @@ class DataCache(p : DataCacheConfig) extends Component{
io.mem.cmd.wr := False
io.mem.cmd.address := baseAddress(tagRange.high downto lineRange.low) @@ U(0,lineRange.low bit)
io.mem.cmd.length := p.burstLength-1
io.mem.cmd.last := True
}
when(valid && io.mem.cmd.ready){

121
src/test/cpp/briey/.cproject Normal file
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@ -0,0 +1,121 @@
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<externalSettings/>
<extensions>
<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
</extensions>
</storageModule>
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
<configuration buildProperties="" id="cdt.managedbuild.toolchain.gnu.base.244017505" name="Default" parent="org.eclipse.cdt.build.core.emptycfg">
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<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileCPP">
<buildOutputProvider>
<openAction enabled="true" filePath=""/>
<parser enabled="true"/>
</buildOutputProvider>
<scannerInfoProvider id="specsFile">
<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.cpp" command="g++" useDefault="true"/>
<parser enabled="true"/>
</scannerInfoProvider>
</profile>
<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileC">
<buildOutputProvider>
<openAction enabled="true" filePath=""/>
<parser enabled="true"/>
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<scannerInfoProvider id="specsFile">
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<profile id="org.eclipse.cdt.managedbuilder.core.GCCWinManagedMakePerProjectProfile">
<buildOutputProvider>
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<scannerInfoProvider id="specsFile">
<runAction arguments="-c 'gcc -E -P -v -dD &quot;${plugin_state_location}/${specs_file}&quot;'" command="sh" useDefault="true"/>
<parser enabled="true"/>
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<buildOutputProvider>
<openAction enabled="true" filePath=""/>
<parser enabled="true"/>
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<scannerInfoProvider id="specsFile">
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<runAction arguments="-c 'gcc -E -P -v -dD &quot;${plugin_state_location}/specs.c&quot;'" command="sh" useDefault="true"/>
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<project id="briey.null.699550164" name="briey"/>
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19
src/test/cpp/briey/installs.txt Normal file
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@ -0,0 +1,19 @@
sudo apt-get update
sudo apt-get install build-essential software-properties-common -y
sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
sudo apt-get update
sudo apt-get install gcc-6 g++-6 -y
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-6 60 --slave /usr/bin/g++ g++ /usr/bin/g++-6
wget -O boost_1_64_0.tar.gz http://sourceforge.net/projects/boost/files/boost/1.64.0/boost_1_64_0.tar.gz/download
tar xzvf boost_1_64_0.tar.gz
cd boost_1_64_0/
./bootstrap.sh --prefix=/usr/local
./b2
sudo ./b2 install
echo "using gcc : 6.3 : /usr/bin/g++-6 ; " >> tools/build/src/user-config.jam
bjam --toolset=gcc-6

98
src/test/cpp/briey/jtag.gtkw Normal file
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@ -0,0 +1,98 @@
[*]
[*] GTKWave Analyzer v3.3.58 (w)1999-2014 BSI
[*] Tue Jun 6 08:32:08 2017
[*]
[dumpfile] "/home/spinalvm/Spinal/VexRiscv/src/test/cpp/briey/Briey.vcd"
[dumpfile_mtime] "Tue Jun 6 08:32:08 2017"
[dumpfile_size] 23745041
[savefile] "/home/spinalvm/Spinal/VexRiscv/src/test/cpp/briey/jtag.gtkw"
[timestart] 6592000000
[size] 1776 953
[pos] -775 -353
*-21.000000 5877400000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
[treeopen] TOP.
[treeopen] TOP.Briey.
[treeopen] TOP.Briey.axi_jtagCtrl.
[treeopen] TOP.Briey.axi_jtagCtrl.jtagBridge_1.
[sst_width] 399
[signals_width] 363
[sst_expanded] 1
[sst_vpaned_height] 503
@28
TOP.io_jtag_tck
TOP.io_jtag_tdi
TOP.io_jtag_tdo
TOP.io_jtag_tms
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_axiClk
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_jtag_tck
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_jtag_tdi
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_jtag_tdo
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_jtag_tms
TOP.Briey.axi_jtagCtrl.jtagBridge_1.jtag_idcodeArea_instructionHit
@22
TOP.Briey.axi_jtagCtrl.jtagBridge_1.jtag_idcodeArea_shifter[31:0]
TOP.Briey.axi_jtagCtrl.jtagBridge_1.jtag_tap_fsm_state[3:0]
@28
TOP.Briey.axi_jtagCtrl.debugger_io_mem_cmd_valid
@22
TOP.Briey.axi_jtagCtrl.debugger_io_mem_cmd_payload_address[31:0]
TOP.Briey.axi_jtagCtrl.debugger_io_mem_cmd_payload_data[31:0]
@28
TOP.Briey.axi_jtagCtrl.debugger_io_mem_cmd_payload_size[1:0]
TOP.Briey.axi_jtagCtrl.debugger_io_mem_cmd_payload_wr
TOP.Briey.axi_jtagCtrl.debugger_io_mem_rsp_valid
@22
TOP.Briey.axi_jtagCtrl.io_axi_arw_payload_addr[31:0]
@28
TOP.Briey.axi_jtagCtrl.io_axi_arw_payload_size[2:0]
TOP.Briey.axi_jtagCtrl.io_axi_arw_payload_write
TOP.Briey.axi_jtagCtrl.io_axi_arw_ready
TOP.Briey.axi_jtagCtrl.io_axi_arw_valid
TOP.Briey.axi_jtagCtrl.io_axi_b_ready
@22
TOP.Briey.axi_jtagCtrl.io_axi_r_payload_data[31:0]
@28
TOP.Briey.axi_jtagCtrl.io_axi_r_ready
TOP.Briey.axi_jtagCtrl.io_axi_r_valid
@22
TOP.Briey.axi_jtagCtrl.io_axi_w_payload_data[31:0]
@28
TOP.Briey.axi_jtagCtrl.io_axi_w_payload_last
@22
TOP.Briey.axi_jtagCtrl.io_axi_w_payload_strb[3:0]
@28
TOP.Briey.axi_jtagCtrl.io_axi_w_ready
TOP.Briey.axi_jtagCtrl.io_axi_w_valid
TOP.Briey.axi_jtagCtrl.debugger.io_remote_cmd_payload_fragment[0]
TOP.Briey.axi_jtagCtrl.debugger.io_remote_cmd_payload_last
TOP.Briey.axi_jtagCtrl.debugger.io_remote_cmd_valid
@22
TOP.Briey.axi_jtagCtrl.debugger.io_remote_rsp_payload_data[31:0]
@28
TOP.Briey.axi_jtagCtrl.debugger.io_remote_rsp_payload_error
TOP.Briey.axi_jtagCtrl.debugger.io_remote_rsp_valid
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_remote_cmd_payload_fragment[0]
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_remote_cmd_payload_last
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_remote_cmd_valid
@22
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_remote_rsp_payload_data[31:0]
@28
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_remote_rsp_payload_error
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_remote_rsp_valid
TOP.Briey.axi_jtagCtrl.jtagBridge_1.flowCCByToggle_1.io_input_payload_fragment[0]
TOP.Briey.axi_jtagCtrl.jtagBridge_1.flowCCByToggle_1.io_input_payload_last
TOP.Briey.axi_jtagCtrl.jtagBridge_1.flowCCByToggle_1.io_input_valid
TOP.Briey.axi_jtagCtrl.jtagBridge_1.flowCCByToggle_1.io_jtag_tck
TOP.Briey.axi_jtagCtrl.jtagBridge_1.flowCCByToggle_1.io_output_payload_fragment[0]
TOP.Briey.axi_jtagCtrl.jtagBridge_1.flowCCByToggle_1.io_output_payload_last
TOP.Briey.axi_jtagCtrl.jtagBridge_1.flowCCByToggle_1.io_output_valid
@29
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_jtag_tck
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_jtag_tdi
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_jtag_tdo
TOP.Briey.axi_jtagCtrl.jtagBridge_1.io_jtag_tms
@22
TOP.Briey.axi_jtagCtrl.jtagBridge_1.jtag_tap_fsm_state[3:0]
TOP.Briey.axi_jtagCtrl.jtagBridge_1.jtag_tap_instruction[3:0]
[pattern_trace] 1
[pattern_trace] 0

722
src/test/cpp/briey/main.cpp Normal file
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@ -0,0 +1,722 @@
#include "VBriey.h"
#include "VBriey_Briey.h"
#ifdef REF
#include "VBriey_RiscvCore.h"
#endif
#include "verilated.h"
#include "verilated_vcd_c.h"
#include <stdio.h>
#include <iostream>
#include <stdlib.h>
#include <stdint.h>
#include <cstring>
#include <string.h>
#include <iostream>
#include <fstream>
#include <vector>
#include <iomanip>
#include <time.h>
class SimElement{
public:
virtual ~SimElement(){}
virtual void onReset(){}
virtual void postReset(){}
virtual void preCycle(){}
virtual void postCycle(){}
};
//#include <functional>
class Process{
public:
uint64_t wakeDelay = 0;
bool wakeEnable = false;
// std::function<int(double)> lambda;
virtual ~Process(){}
virtual void schedule(uint64_t delay){
wakeDelay = delay;
wakeEnable = true;
}
virtual void tick(){
// lambda = [this](double x) { return x+1 + this->wakeDelay; };
// lambda(1.0);
}
};
class ClockDomain : public Process{
public:
CData* clk;
CData* reset;
uint64_t tooglePeriod;
vector<SimElement*> simElements;
ClockDomain(CData *clk, CData *reset, uint64_t period, uint64_t delay){
this->clk = clk;
this->reset = reset;
*clk = 0;
this->tooglePeriod = period/2;
schedule(delay);
}
bool postCycle = false;
virtual void tick(){
if(*clk == 0){
for(SimElement* simElement : simElements){
simElement->preCycle();
}
postCycle = true;
*clk = 1;
schedule(0);
}else{
if(postCycle){
postCycle = false;
for(SimElement* simElement : simElements){
simElement->postCycle();
}
}else{
*clk = 0;
}
schedule(tooglePeriod);
}
}
void add(SimElement *that){
simElements.push_back(that);
}
};
class AsyncReset : public Process{
public:
CData* reset;
uint32_t state;
uint64_t duration;
AsyncReset(CData *reset, uint64_t duration){
this->reset = reset;
*reset = 0;
state = 0;
this->duration = duration;
schedule(0);
}
virtual void tick(){
switch(state){
case 0:
*reset = 1;
state = 1;
schedule(duration);
break;
case 1:
*reset = 0;
state = 2;
break;
}
}
};
#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>
#include <arpa/inet.h>
#include <fcntl.h>
#include <sys/ioctl.h>
/** Returns true on success, or false if there was an error */
bool SetSocketBlockingEnabled(int fd, bool blocking)
{
if (fd < 0) return false;
#ifdef WIN32
unsigned long mode = blocking ? 0 : 1;
return (ioctlsocket(fd, FIONBIO, &mode) == 0) ? true : false;
#else
int flags = fcntl(fd, F_GETFL, 0);
if (flags < 0) return false;
flags = blocking ? (flags&~O_NONBLOCK) : (flags|O_NONBLOCK);
return (fcntl(fd, F_SETFL, flags) == 0) ? true : false;
#endif
}
class Jtag : public Process{
public:
CData *tms, *tdi, *tdo, *tck;
enum State {reset};
uint32_t state;
int serverSocket, clientHandle;
struct sockaddr_in serverAddr;
struct sockaddr_storage serverStorage;
socklen_t addr_size;
uint64_t period;
// char buffer[1024];
Jtag(CData *tms, CData *tdi, CData *tdo, CData* tck,uint64_t period){
this->tms = tms;
this->tdi = tdi;
this->tdo = tdo;
this->tck = tck;
this->period = period;
*tms = 0;
*tdi = 0;
*tdo = 0;
*tck = 0;
state = 0;
schedule(0);
//---- Create the socket. The three arguments are: ----//
// 1) Internet domain 2) Stream socket 3) Default protocol (TCP in this case) //
serverSocket = socket(PF_INET, SOCK_STREAM, 0);
assert(serverSocket != -1);
SetSocketBlockingEnabled(serverSocket,0);
//---- Configure settings of the server address struct ----//
// Address family = Internet //
serverAddr.sin_family = AF_INET;
serverAddr.sin_port = htons(7894);
serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
memset(serverAddr.sin_zero, '\0', sizeof serverAddr.sin_zero);
//---- Bind the address struct to the socket ----//
bind(serverSocket, (struct sockaddr *) &serverAddr, sizeof(serverAddr));
//---- Listen on the socket, with 5 max connection requests queued ----//
listen(serverSocket,1);
//---- Accept call creates a new socket for the incoming connection ----//
addr_size = sizeof serverStorage;
clientHandle = -1;
}
void connectionReset(){
printf("CONNECTION RESET\n");
shutdown(clientHandle,SHUT_RDWR);
clientHandle = -1;
}
virtual ~Jtag(){
if(clientHandle != -1) {
shutdown(clientHandle,SHUT_RDWR);
usleep(100);
}
if(serverSocket != -1) {
close(serverSocket);
usleep(100);
}
}
virtual void tick(){
if(clientHandle == -1){
clientHandle = accept(serverSocket, (struct sockaddr *) &serverStorage, &addr_size);
if(clientHandle != -1)
printf("CONNECTED\n");
}
if(clientHandle != -1){
uint8_t buffer;
int n;
if(ioctl(clientHandle,FIONREAD,&n) != 0)
connectionReset();
else if(n >= 1){
switch(read(clientHandle,&buffer,1)){
case 0: break;
case 1:
*tms = (buffer & 1) != 0;
*tdi = (buffer & 2) != 0;
*tck = (buffer & 8) != 0;
if(buffer & 4){
buffer = (*tdo != 0);
//printf("TDO=%d\n",buffer);
if(-1 == send(clientHandle,&buffer,1,0))
connectionReset();
}else {
// printf("\n");
}
break;
default:
connectionReset();
break;
}
}
}
schedule(period);
}
};
class success : public std::exception { };
class Workspace{
public:
static uint32_t cycles;
vector<Process*> processes;
VBriey* top;
bool resetDone = false;
double timeToSec = 1e-12;
double speedFactor = 1.0;
uint64_t allowedTime = 0;
string name;
uint64_t time = 0;
#ifdef TRACE
VerilatedVcdC* tfp;
#endif
ofstream logTraces;
Workspace(string name){
this->name = name;
top = new VBriey;
logTraces.open (name + ".logTrace");
}
virtual ~Workspace(){
delete top;
#ifdef TRACE
delete tfp;
#endif
for(Process* p : processes) delete p;
}
Workspace* setSpeedFactor(double value){
speedFactor = value;
return this;
}
virtual void postReset() {}
virtual void checks(){}
virtual void pass(){ throw success();}
virtual void fail(){ throw std::exception();}
virtual void fillSimELements();
void dump(uint64_t i){
#ifdef TRACE
if(i >= TRACE_START) tfp->dump(i);
#endif
}
Workspace* run(uint32_t timeout = 5000){
fillSimELements();
// init trace dump
#ifdef TRACE
Verilated::traceEverOn(true);
tfp = new VerilatedVcdC;
top->trace(tfp, 99);
tfp->open((string(name)+ ".vcd").c_str());
#endif
struct timespec start_time,tick_time;
uint64_t tickLastSimTime = 0;
top->eval();
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start_time);
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &tick_time);
uint32_t flushCounter = 0;
try {
while(1){
uint64_t delay = ~0l;
for(Process* p : processes)
if(p->wakeEnable && p->wakeDelay < delay)
delay = p->wakeDelay;
if(delay == ~0l){
fail();
}
if(delay != 0){
dump(time);
}
for(Process* p : processes) {
p->wakeDelay -= delay;
if(p->wakeDelay == 0){
p->wakeEnable = false;
p->tick();
}
}
top->eval();
if(delay != 0){
if(time - tickLastSimTime > 1000*400000 || time - tickLastSimTime > 1.0*speedFactor/timeToSec){
struct timespec end_time;
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end_time);
uint64_t diffInNanos = end_time.tv_sec*1e9 + end_time.tv_nsec - tick_time.tv_sec*1e9 - tick_time.tv_nsec;
tick_time = end_time;
double dt = diffInNanos*1e-9;
printf("Simulation speed : %f ms/realTime\n",(time - tickLastSimTime)/dt*timeToSec*1e3);
tickLastSimTime = time;
}
time += delay;
while(allowedTime < delay){
struct timespec end_time;
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end_time);
uint64_t diffInNanos = end_time.tv_sec*1e9 + end_time.tv_nsec - start_time.tv_sec*1e9 - start_time.tv_nsec;
start_time = end_time;
double dt = diffInNanos*1e-9;
allowedTime += dt*speedFactor/timeToSec;
if(allowedTime > 0.01*speedFactor/timeToSec)
allowedTime = 0.01*speedFactor/timeToSec;
}
allowedTime-=delay;
flushCounter++;
if(flushCounter > 100000){
#ifdef TRACE
tfp->flush();
printf("flush\n");
#endif
flushCounter = 0;
}
}
if (Verilated::gotFinish())
exit(0);
}
cout << "timeout" << endl;
fail();
} catch (const success e) {
cout <<"SUCCESS " << name << endl;
} catch (const std::exception& e) {
cout << "FAIL " << name << endl;
}
dump(time);
dump(time+10);
#ifdef TRACE
tfp->close();
#endif
return this;
}
};
void Workspace::fillSimELements(){
}
uint32_t Workspace::cycles = 0;
/*class SimElement{
public:
virtual ~SimElement(){}
virtual void onReset(){}
virtual void postReset(){}
virtual void preCycle(){}
virtual void postCycle(){}
};*/
class SdramConfig{
public:
uint32_t byteCount;
uint32_t bankCount;
uint32_t rowSize;
uint32_t colSize;
SdramConfig(uint32_t byteCount,
uint32_t bankCount,
uint32_t rowSize,
uint32_t colSize){
this->byteCount = byteCount;
this->bankCount = bankCount;
this->rowSize = rowSize;
this->colSize = colSize;
}
};
class SdramIo{
public:
CData *BA;
CData *DQM;
CData *CASn;
CData *CKE;
CData *CSn;
CData *RASn;
CData *WEn;
SData *ADDR;
CData *DQ_read;
CData *DQ_write;
CData *DQ_writeEnable;
};
class Sdram : public SimElement{
public:
SdramConfig *config;
SdramIo *io;
uint32_t CAS;
uint32_t burstLength;
class Bank{
public:
uint8_t *data;
SdramConfig *config;
bool opened;
uint32_t openedRow;
void init(SdramConfig *config){
this->config = config;
data = new uint8_t[config->rowSize * config->colSize * config->byteCount];
opened = false;
}
virtual ~Bank(){
delete data;
}
void activate(uint32_t row){
if(opened)
cout << "SDRAM error open unclosed bank" << endl;
openedRow = row;
opened = true;
}
void precharge(){
opened = false;
}
void write(uint32_t column, CData byteId, CData data){
if(!opened)
cout << "SDRAM : write in closed bank" << endl;
uint32_t addr = byteId + (column + openedRow * config->colSize) * config->byteCount;
this->data[addr] = data;
//printf("SDRAM : Write A=%08x D=%02x\n",addr,data);
}
CData read(uint32_t column, CData byteId){
if(!opened)
cout << "SDRAM : write in closed bank" << endl;
uint32_t addr = byteId + (column + openedRow * config->colSize) * config->byteCount;
//printf("SDRAM : Read A=%08x D=%02x\n",addr,data[addr]);
return data[addr];
}
};
Bank* banks;
CData * readShifter;
Sdram(SdramConfig *config,SdramIo* io){
this->config = config;
this->io = io;
banks = new Bank[config->bankCount];
for(uint32_t bankId = 0;bankId < config->bankCount;bankId++) banks[bankId].init(config);
readShifter = new CData[config->byteCount*3];
}
virtual ~Sdram(){
delete banks;
delete readShifter;
}
uint8_t ckeLast = 0;
virtual void postCycle(){
if(CAS >= 2 && CAS <=3){
for(uint32_t byteId = 0;byteId != config->byteCount;byteId++){
io->DQ_read[byteId] = readShifter[byteId + (CAS-1)*config->byteCount];
}
for(uint32_t latency = CAS-1;latency != 0;latency--){ //missing CKE
for(uint32_t byteId = 0;byteId != config->byteCount;byteId++){
readShifter[byteId+latency*config->byteCount] = readShifter[byteId+(latency-1)*config->byteCount];
}
}
}
}
virtual void preCycle(){
if(!*io->CSn && ckeLast){
uint32_t code = ((*io->RASn) << 2) | ((*io->CASn) << 1) | ((*io->WEn) << 0);
switch(code){
case 0: //Mode register set
if(*io->BA == 0 && (*io->ADDR & 0x400) == 0){
CAS = ((*io->ADDR) >> 4) & 0x7;
burstLength = ((*io->ADDR) >> 0) & 0x7;
if((*io->ADDR & 0x388) != 0)
cout << "SDRAM : ???" << endl;
printf("SDRAM : MODE REGISTER DEFINITION CAS=%d burstLength=%d\n",CAS,burstLength);
}
break;
case 2: //Bank precharge
if((*io->ADDR & 0x400) != 0){ //all
for(uint32_t bankId = 0;bankId < config->bankCount;bankId++)
banks[bankId].precharge();
} else { //single
banks[*io->BA].precharge();
}
break;
case 3: //Bank activate
banks[*io->BA].activate(*io->ADDR & 0x7FF);
break;
case 4: //Write
if((*io->ADDR & 0x400) != 0)
cout << "SDRAM : Write autoprecharge not supported" << endl;
if(*io->DQ_writeEnable == 0)
cout << "SDRAM : Write Wrong DQ direction" << endl;
for(uint32_t byteId = 0;byteId < config->byteCount;byteId++){
if(((*io->DQM >> byteId) & 1) == 0)
banks[*io->BA].write(*io->ADDR, byteId ,io->DQ_write[byteId]);
}
break;
case 5: //Read
if((*io->ADDR & 0x400) != 0)
cout << "SDRAM : READ autoprecharge not supported" << endl;
if(*io->DQ_writeEnable != 0)
cout << "SDRAM : READ Wrong DQ direction" << endl;
//if(*io->DQM != config->byteCount-1)
//cout << "SDRAM : READ wrong DQM" << endl;
for(uint32_t byteId = 0;byteId < config->byteCount;byteId++){
readShifter[byteId] = banks[*io->BA].read(*io->ADDR, byteId);
}
break;
case 1: // Self refresh
break;
case 7: // NOP
break;
default:
cout << "SDRAM : unknown code" << endl;
break;
}
}
ckeLast = *io->CKE;
}
};
class BrieyWorkspace : public Workspace{
public:
BrieyWorkspace() : Workspace("Briey"){
ClockDomain *axiClk = new ClockDomain(&top->io_axiClk,NULL,20000,100000);
ClockDomain *vgaClk = new ClockDomain(&top->io_vgaClk,NULL,40000,100000);
AsyncReset *asyncReset = new AsyncReset(&top->io_asyncReset,50000);
Jtag *jtag = new Jtag(&top->io_jtag_tms,&top->io_jtag_tdi,&top->io_jtag_tdo,&top->io_jtag_tck,200000);
processes.push_back(axiClk);
processes.push_back(vgaClk);
processes.push_back(asyncReset);
processes.push_back(jtag);
SdramConfig *sdramConfig = new SdramConfig(
2, //byteCount
4, //bankCount
13, //rowSize
10 //colSize
);
SdramIo *sdramIo = new SdramIo();
sdramIo->BA = &top->io_sdram_BA ;
sdramIo->DQM = &top->io_sdram_DQM ;
sdramIo->CASn = &top->io_sdram_CASn ;
sdramIo->CKE = &top->io_sdram_CKE ;
sdramIo->CSn = &top->io_sdram_CSn ;
sdramIo->RASn = &top->io_sdram_RASn ;
sdramIo->WEn = &top->io_sdram_WEn ;
sdramIo->ADDR = &top->io_sdram_ADDR ;
sdramIo->DQ_read = (CData*)&top->io_sdram_DQ_read ;
sdramIo->DQ_write = (CData*)&top->io_sdram_DQ_write ;
sdramIo->DQ_writeEnable = &top->io_sdram_DQ_writeEnable;
Sdram *sdram = new Sdram(sdramConfig, sdramIo);
axiClk->add(sdram);
#ifdef TRACE
speedFactor = 100e-6;
cout << "Simulation caped to " << timeToSec << " of real time"<< endl;
#endif
}
};
struct timespec timer_start(){
struct timespec start_time;
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start_time);
return start_time;
}
long timer_end(struct timespec start_time){
struct timespec end_time;
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &end_time);
uint64_t diffInNanos = end_time.tv_sec*1e9 + end_time.tv_nsec - start_time.tv_sec*1e9 - start_time.tv_nsec;
return diffInNanos;
}
#define redo(count,that) for(uint32_t xxx = 0;xxx < count;xxx++) that
/*
#include <boost/coroutine2/all.hpp>
#include <functional>
#include <iostream>
using boost::coroutines2::coroutine;
void cooperative(coroutine<int>::push_type &sink, int i)
{
int j = i;
sink(++j);
sink(++j);
std::cout << "end\n";
}
int main2()
{
using std::placeholders::_1;
coroutine<int>::pull_type source{std::bind(cooperative, _1, 0)};
std::cout << source.get() << '\n';
source();
std::cout << source.get() << '\n';
source();
}*/
int main(int argc, char **argv, char **env) {
Verilated::randReset(2);
Verilated::commandArgs(argc, argv);
printf("BOOT\n");
timespec startedAt = timer_start();
BrieyWorkspace().run(100e6);
uint64_t duration = timer_end(startedAt);
cout << endl << "****************************************************************" << endl;
cout << "Had simulate " << Workspace::cycles << " clock cycles in " << duration*1e-9 << " s (" << Workspace::cycles / (duration*1e-9) << " Khz)" << endl;
/*if(successCounter == testsCounter)
cout << "SUCCESS " << successCounter << "/" << testsCounter << endl;
else
cout<< "FAILURE " << testsCounter - successCounter << "/" << testsCounter << endl;*/
cout << "****************************************************************" << endl << endl;
exit(0);
}

34
src/test/cpp/briey/makefile Normal file
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DEBUG?=no
TRACE?=no
TRACE_START=0
ADDCFLAGS += -CFLAGS -pthread
ifeq ($(TRACE),yes)
VERILATOR_ARGS += --trace
ADDCFLAGS += -CFLAGS -DTRACE
endif
ifeq ($(DEBUG),yes)
ADDCFLAGS += -CFLAGS "-g -O0"
endif
ifneq ($(DEBUG),yes)
ADDCFLAGS += -CFLAGS "-O3"
endif
ADDCFLAGS += -CFLAGS -DTRACE_START=${TRACE_START}
all: clean compile
run: compile
./obj_dir/VBriey
verilate:
verilator -cc ../../../../Briey.v -CFLAGS -std=c++11 ${ADDCFLAGS} --gdbbt ${VERILATOR_ARGS} -Wno-WIDTH --x-assign unique --exe main.cpp
compile: verilate
make -j -C obj_dir/ -f VBriey.mk VBriey
clean:
rm -rf obj_dir

26
src/test/cpp/briey/makefile~ Normal file
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@ -0,0 +1,26 @@
TRACE?=no
TRACE_START=0
ADDCFLAGS += -CFLAGS -pthread
ifeq ($(TRACE),yes)
VERILATOR_ARGS += --trace
ADDCFLAGS += -CFLAGS -DTRACE
endif
ADDCFLAGS += -CFLAGS -DTRACE_START=${TRACE_START}
run: compile
./obj_dir/VBriey
verilate:
verilator -cc ../../../../Briey.v -O3 -CFLAGS -std=c++11 -LDFLAGS -pthread ${ADDCFLAGS} --gdbbt ${VERILATOR_ARGS} -Wno-WIDTH --x-assign unique --exe main.cpp
compile: verilate
make -j -C obj_dir/ -f VBriey.mk VBriey
clean:
rm -rf obj_dir

115
src/test/cpp/briey/sdram.gtkw Normal file
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[*]
[*] GTKWave Analyzer v3.3.58 (w)1999-2014 BSI
[*] Wed Jun 7 01:18:28 2017
[*]
[dumpfile] "/home/spinalvm/Spinal/VexRiscv/src/test/cpp/briey/Briey.vcd"
[dumpfile_mtime] "Wed Jun 7 01:17:07 2017"
[dumpfile_size] 1021433582
[savefile] "/home/spinalvm/Spinal/VexRiscv/src/test/cpp/briey/sdram.gtkw"
[timestart] 20762992700
[size] 1776 953
[pos] -1 -353
*-16.000000 20763117800 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
[treeopen] TOP.
[treeopen] TOP.Briey.
[treeopen] TOP.Briey.axi_jtagCtrl.
[treeopen] TOP.Briey.axi_sdramCtrl.
[sst_width] 325
[signals_width] 456
[sst_expanded] 1
[sst_vpaned_height] 503
@28
TOP.Briey.axi_core_cpu.DebugPlugin_haltIt
TOP.Briey.axi_sdramCtrl.io_sdram_BA[1:0]
TOP.Briey.axi_sdramCtrl.io_sdram_CKE
TOP.Briey.axi_sdramCtrl.io_sdram_CSn
TOP.Briey.axi_sdramCtrl.io_sdram_DQM[1:0]
@22
TOP.Briey.axi_sdramCtrl.io_sdram_DQ_read[15:0]
@28
TOP.Briey.axi_sdramCtrl.io_sdram_DQ_writeEnable
@22
TOP.Briey.axi_sdramCtrl.io_sdram_DQ_write[15:0]
@28
TOP.Briey.axi_sdramCtrl.io_sdram_RASn
TOP.Briey.axi_sdramCtrl.io_sdram_CASn
TOP.Briey.axi_sdramCtrl.io_sdram_WEn
@24
TOP.Briey.axi_sdramCtrl.io_sdram_ADDR[12:0]
@22
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_cmd_payload_context_id[3:0]
@28
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_cmd_payload_context_last
@22
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_cmd_payload_data[15:0]
@28
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_cmd_payload_mask[1:0]
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_cmd_valid
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_cmd_ready
@22
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_cmd_payload_address[24:0]
@28
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_cmd_payload_write
@22
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_rsp_payload_context_id[3:0]
@28
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_rsp_payload_context_last
@22
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_rsp_payload_data[15:0]
@28
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_rsp_ready
TOP.Briey.axi_sdramCtrl.ctrl.io_bus_rsp_valid
TOP.Briey.axi_core_cpu.DebugPlugin_haltIt
TOP.Briey.axi_core_cpu.DebugPlugin_haltedByBreak
TOP.Briey.axi_core_cpu.DebugPlugin_isPipBusy
TOP.Briey.axi_core_cpu.DebugPlugin_resetIt
TOP.Briey.axi_core_cpu.DebugPlugin_stepIt
TOP.Briey.axi_core_cpu.DebugPlugin_insertDecodeInstruction
@22
TOP.Briey.axi_jtagCtrl.debugger.io_mem_cmd_payload_address[31:0]
TOP.Briey.axi_jtagCtrl.debugger.io_mem_cmd_payload_data[31:0]
@28
TOP.Briey.axi_jtagCtrl.debugger.io_mem_cmd_payload_size[1:0]
TOP.Briey.axi_jtagCtrl.debugger.io_mem_cmd_payload_wr
@29
TOP.Briey.axi_jtagCtrl.debugger.io_mem_cmd_ready
@28
TOP.Briey.axi_jtagCtrl.debugger.io_mem_cmd_valid
@22
TOP.Briey.axi_jtagCtrl.debugger.io_mem_rsp_payload[31:0]
@28
TOP.Briey.axi_jtagCtrl.debugger.io_mem_rsp_valid
@22
TOP.Briey.axi_core_cpu.prefetch_PC[31:0]
TOP.Briey.axi_core_cpu.execute_PC[31:0]
@28
TOP.Briey.axi_core_cpu.execute_IS_EBREAK
TOP.Briey.axi_core_cpu.execute_arbitration_isValid
@22
TOP.Briey.axi_core_cpu.DebugPlugin_busReadDataReg[31:0]
@28
TOP.Briey.axi_core_cpu.writeBack_arbitration_isValid
@22
TOP.Briey.axi_core_cpu.writeBack_REGFILE_WRITE_DATA[31:0]
TOP.Briey.axi_core_cpu.writeBack_PC[31:0]
TOP.Briey.axi_core_cpu.execute_REGFILE_WRITE_DATA[31:0]
TOP.Briey.axi_core_cpu.execute_SRC1[31:0]
TOP.Briey.axi_core_cpu.execute_SRC2[31:0]
TOP.Briey.axi_core_cpu.decode_SRC1[31:0]
@28
TOP.Briey.axi_core_cpu.decode_SRC1_CTRL[1:0]
@22
TOP.Briey.axi_core_cpu.decode_SRC2[31:0]
@28
TOP.Briey.axi_core_cpu.decode_SRC2_CTRL[1:0]
@22
TOP.Briey.axi_core_cpu.decode_REG1[31:0]
TOP.Briey.axi_core_cpu.RegFilePlugin_regFile(0)[31:0]
TOP.Briey.axi_core_cpu.decode_RegFilePlugin_regFileReadAddress1[4:0]
@28
TOP.Briey.axi_core_cpu.decode_IS_EBREAK
TOP.Briey.axi_core_cpu.decode_arbitration_isValid
@22
TOP.Briey.axi_core_cpu.decode_INSTRUCTION[31:0]
[pattern_trace] 1
[pattern_trace] 0

121
src/test/cpp/regression/.cproject Normal file
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@ -0,0 +1,121 @@
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<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.c" command="gcc" useDefault="true"/>
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<buildOutputProvider>
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<buildOutputProvider>
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<profile id="org.eclipse.cdt.managedbuilder.core.GCCWinManagedMakePerProjectProfileC">
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</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
</cconfiguration>
</storageModule>
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
<project id="VexRiscv_regression.null.882835994" name="VexRiscv_regression"/>
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</cproject>

2
src/test/cpp/regression/main.cpp
View File

@ -307,8 +307,8 @@ public:
currentTime = 4;
// init trace dump
Verilated::traceEverOn(true);
#ifdef TRACE
Verilated::traceEverOn(true);
tfp = new VerilatedVcdC;
top->trace(tfp, 99);
tfp->open((string(name)+ ".vcd").c_str());

1
src/test/cpp/regression/makefile
View File

@ -66,6 +66,7 @@ ifeq ($(FREE_RTOS),yes)
ADDCFLAGS += -CFLAGS -DFREE_RTOS
endif
all: clean run
run: compile
./obj_dir/VVexRiscv