store network configuration on flash-disk

This commit is contained in:
folkert van heusden 2023-03-26 21:20:52 +02:00
parent c624d8c4e5
commit ee7e934df9
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
4 changed files with 459 additions and 328 deletions

0
ESP32/data/.place_holder Normal file
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@ -1,8 +1,10 @@
// (C) 2018-2023 by Folkert van Heusden // (C) 2018-2023 by Folkert van Heusden
// Released under Apache License v2.0 // Released under Apache License v2.0
#include <Arduino.h> #include <Arduino.h>
#include <ArduinoJson.h>
#include <atomic> #include <atomic>
#include <HardwareSerial.h> #include <HardwareSerial.h>
#include <LittleFS.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
@ -27,6 +29,12 @@
#include "utils.h" #include "utils.h"
constexpr const char CFG_FILE[] = "/net-disk.json";
#define MAX_CFG_SIZE 1024
StaticJsonDocument<MAX_CFG_SIZE> json_doc;
bus *b = nullptr; bus *b = nullptr;
cpu *c = nullptr; cpu *c = nullptr;
tty *tty_ = nullptr; tty *tty_ = nullptr;
@ -60,6 +68,83 @@ void console_thread_wrapper_io(void *const c)
cnsl->operator()(); cnsl->operator()();
} }
typedef enum { DT_RK05, DT_RL02 } disk_type_t;
std::optional<std::pair<std::vector<disk_backend *>, std::vector<disk_backend *> > > load_disk_configuration(console *const c)
{
File dataFile = LittleFS.open(CFG_FILE, "r");
if (!dataFile)
return { };
size_t size = dataFile.size();
char buffer[MAX_CFG_SIZE];
if (size > sizeof buffer) { // this should not happen
dataFile.close();
return { };
}
dataFile.read(reinterpret_cast<uint8_t *>(buffer), size);
buffer[(sizeof buffer) - 1] = 0x00;
dataFile.close();
auto error = deserializeJson(json_doc, buffer);
if (error) // this should not happen
return { };
String nbd_host = json_doc["NBD-host"];
int nbd_port = json_doc["NBD-port"];
String disk_type_temp = json_doc["disk-type"];
disk_type_t disk_type = DT_RK05;
if (disk_type_temp == "rl02")
disk_type = DT_RL02;
disk_backend *d = new disk_backend_nbd(nbd_host.c_str(), nbd_port);
if (d->begin() == false) {
c->put_string_lf("Cannot initialize NBD client from configuration file");
delete d;
return { };
}
c->put_string_lf(format("Connection to NBD server at %s:%d success", nbd_host.c_str(), nbd_port));
if (disk_type == DT_RK05)
return { { { d }, { } } };
if (disk_type == DT_RL02)
return { { { }, { d } } };
return { };
}
bool save_disk_configuration(const std::string & nbd_host, const int nbd_port, const disk_type_t dt)
{
json_doc["NBD-host"] = nbd_host;
json_doc["NBD-port"] = nbd_port;
json_doc["disk-type"] = dt == DT_RK05 ? "rk05" : "rl02";
File dataFile = LittleFS.open(CFG_FILE, "w");
if (!dataFile)
return false;
serializeJson(json_doc, dataFile);
dataFile.close();
return true;
}
typedef enum { BE_NETWORK, BE_SD } disk_backend_t; typedef enum { BE_NETWORK, BE_SD } disk_backend_t;
std::optional<disk_backend_t> select_disk_backend(console *const c) std::optional<disk_backend_t> select_disk_backend(console *const c)
{ {
@ -81,8 +166,6 @@ std::optional<disk_backend_t> select_disk_backend(console *const c)
return BE_SD; return BE_SD;
} }
typedef enum { DT_RK05, DT_RL02 } disk_type_t;
std::optional<disk_type_t> select_disk_type(console *const c) std::optional<disk_type_t> select_disk_type(console *const c)
{ {
c->put_string("1. RK05, 2. RL02, 9. abort"); c->put_string("1. RK05, 2. RL02, 9. abort");
@ -130,6 +213,11 @@ std::optional<std::pair<std::vector<disk_backend *>, std::vector<disk_backend *>
return { }; return { };
} }
if (save_disk_configuration(hostname, atoi(port_str.c_str()), disk_type.value()))
c->put_string_lf("NBD disk configuration saved");
else
c->put_string_lf("NBD disk configuration NOT saved");
if (disk_type.value() == DT_RK05) if (disk_type.value() == DT_RK05)
return { { { d }, { } } }; return { { { d }, { } } };
@ -197,6 +285,21 @@ std::optional<std::pair<std::vector<disk_backend *>, std::vector<disk_backend *>
} }
} }
void set_disk_configuration(std::pair<std::vector<disk_backend *>, std::vector<disk_backend *> > & disk_files)
{
if (disk_files.first.empty() == false)
b->add_rk05(new rk05(disk_files.first, b, cnsl->get_disk_read_activity_flag(), cnsl->get_disk_write_activity_flag()));
if (disk_files.second.empty() == false)
b->add_rl02(new rl02(disk_files.second, b, cnsl->get_disk_read_activity_flag(), cnsl->get_disk_write_activity_flag()));
// TODO: allow bootloader to be selected
if (disk_files.first.empty() == false)
setBootLoader(b, BL_RK05);
else
setBootLoader(b, BL_RL02);
}
void configure_disk(console *const c) void configure_disk(console *const c)
{ {
for(;;) { for(;;) {
@ -217,17 +320,7 @@ void configure_disk(console *const c)
if (files.has_value() == false) if (files.has_value() == false)
break; break;
if (files.value().first.empty() == false) set_disk_configuration(files.value());
b->add_rk05(new rk05(files.value().first, b, cnsl->get_disk_read_activity_flag(), cnsl->get_disk_write_activity_flag()));
if (files.value().second.empty() == false)
b->add_rl02(new rl02(files.value().second, b, cnsl->get_disk_read_activity_flag(), cnsl->get_disk_write_activity_flag()));
// TODO: allow bootloader to be selected
if (files.value().first.empty() == false)
setBootLoader(b, BL_RK05);
else
setBootLoader(b, BL_RL02);
break; break;
} }
@ -266,15 +359,14 @@ void configure_network(console *const c)
return; return;
} }
set_hostname();
if (parts.size() == 1) if (parts.size() == 1)
WiFi.begin(parts.at(0).c_str()); WiFi.begin(parts.at(0).c_str());
else else
WiFi.begin(parts.at(0).c_str(), parts.at(1).c_str()); WiFi.begin(parts.at(0).c_str(), parts.at(1).c_str());
} }
void wait_network(console *const c) { void wait_network(console *const c)
{
constexpr const int timeout = 10 * 3; constexpr const int timeout = 10 * 3;
int i = 0; int i = 0;
@ -291,18 +383,20 @@ void wait_network(console *const c) {
c->put_string_lf("Time out connecting"); c->put_string_lf("Time out connecting");
} }
void check_network(console *const c) { void check_network(console *const c)
{
wait_network(c); wait_network(c);
c->put_string_lf(""); c->put_string_lf("");
c->put_string_lf(format("Local IP address: %s", WiFi.localIP().toString().c_str())); c->put_string_lf(format("Local IP address: %s", WiFi.localIP().toString().c_str()));
} }
void start_network(console *const c) { void start_network(console *const c)
WiFi.mode(WIFI_STA); {
set_hostname(); set_hostname();
WiFi.mode(WIFI_STA);
WiFi.begin(); WiFi.begin();
wait_network(c); wait_network(c);
@ -311,11 +405,26 @@ void start_network(console *const c) {
c->put_string_lf(format("Local IP address: %s", WiFi.localIP().toString().c_str())); c->put_string_lf(format("Local IP address: %s", WiFi.localIP().toString().c_str()));
} }
void set_tty_serial_speed(const int bps) { void set_tty_serial_speed(const int bps)
{
Serial_RS232.begin(bps); Serial_RS232.begin(bps);
} }
void setup() { void recall_configuration(console *const c)
{
c->put_string_lf("Starting network...");
start_network(cnsl);
auto disk_configuration = load_disk_configuration(c);
if (disk_configuration.has_value()) {
c->put_string_lf("Starting disk...");
set_disk_configuration(disk_configuration.value());
}
}
void setup()
{
Serial.begin(115200); Serial.begin(115200);
Serial.println(F("This PDP-11 emulator is called \"kek\" (reason for that is forgotten) and was written by Folkert van Heusden.")); Serial.println(F("This PDP-11 emulator is called \"kek\" (reason for that is forgotten) and was written by Folkert van Heusden."));
@ -328,6 +437,9 @@ void setup() {
Serial.print(F("CPU clock frequency (MHz): ")); Serial.print(F("CPU clock frequency (MHz): "));
Serial.println(getCpuFrequencyMhz()); Serial.println(getCpuFrequencyMhz());
if (!LittleFS.begin(true))
Serial.println(F("LittleFS.begin() failed"));
Serial.print(F("Free RAM before init (decimal bytes): ")); Serial.print(F("Free RAM before init (decimal bytes): "));
Serial.println(ESP.getFreeHeap()); Serial.println(ESP.getFreeHeap());
@ -380,7 +492,8 @@ void setup() {
cnsl->start_thread(); cnsl->start_thread();
} }
void loop() { void loop()
{
debugger(cnsl, b, &stop_event, false); debugger(cnsl, b, &stop_event, false);
c->reset(); c->reset();

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@ -10,8 +10,10 @@ board = wemos_d1_mini32
framework = arduino framework = arduino
monitor_speed = 115200 monitor_speed = 115200
upload_speed = 1000000 upload_speed = 1000000
board_build.filesystem = littlefs
lib_deps = greiman/SdFat@^2.1.2 lib_deps = greiman/SdFat@^2.1.2
adafruit/Adafruit NeoPixel adafruit/Adafruit NeoPixel
bblanchon/ArduinoJson@^6.19.4
build_flags = -std=gnu++17 -Ofast -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99 build_flags = -std=gnu++17 -Ofast -DESP32=1 -ggdb3 -D_GLIBCXX_USE_C99
build_unflags = -std=gnu++11 -Os build_unflags = -std=gnu++11 -Os

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@ -19,6 +19,8 @@ void check_network(console *const c);
void start_network(console *const c); void start_network(console *const c);
void set_tty_serial_speed(const int bps); void set_tty_serial_speed(const int bps);
void recall_configuration(console *const c);
#endif #endif
// returns size of instruction (in bytes) // returns size of instruction (in bytes)
@ -162,339 +164,353 @@ void debugger(console *const cnsl, bus *const b, std::atomic_uint32_t *const sto
bool single_step = false; bool single_step = false;
while(*stop_event != EVENT_TERMINATE) { while(*stop_event != EVENT_TERMINATE) {
std::string cmd = cnsl->read_line(format("%d", stop_event->load())); try {
auto parts = split(cmd, " "); std::string cmd = cnsl->read_line(format("%d", stop_event->load()));
auto kv = split(parts, "="); auto parts = split(cmd, " ");
auto kv = split(parts, "=");
if (parts.empty()) if (parts.empty())
continue; continue;
if (cmd == "go") { if (cmd == "go") {
single_step = false; single_step = false;
*stop_event = EVENT_NONE; *stop_event = EVENT_NONE;
}
else if (parts[0] == "single" || parts[0] == "s") {
single_step = true;
if (parts.size() == 2)
n_single_step = atoi(parts[1].c_str());
else
n_single_step = 1;
*stop_event = EVENT_NONE;
}
else if ((parts[0] == "sbp" || parts[0] == "cbp") && parts.size() == 2){
uint16_t pc = std::stoi(parts[1].c_str(), nullptr, 8);
if (parts[0] == "sbp") {
c->set_breakpoint(pc);
cnsl->put_string_lf(format("Set breakpoint at %06o", pc));
} }
else { else if (parts[0] == "single" || parts[0] == "s") {
c->remove_breakpoint(pc); single_step = true;
cnsl->put_string_lf(format("Clear breakpoint at %06o", pc)); if (parts.size() == 2)
n_single_step = atoi(parts[1].c_str());
else
n_single_step = 1;
*stop_event = EVENT_NONE;
} }
else if ((parts[0] == "sbp" || parts[0] == "cbp") && parts.size() == 2){
uint16_t pc = std::stoi(parts[1].c_str(), nullptr, 8);
continue; if (parts[0] == "sbp") {
} c->set_breakpoint(pc);
else if (cmd == "lbp") {
auto bps = c->list_breakpoints();
cnsl->put_string_lf("Breakpoints:"); cnsl->put_string_lf(format("Set breakpoint at %06o", pc));
}
else {
c->remove_breakpoint(pc);
for(auto a : bps) { cnsl->put_string_lf(format("Clear breakpoint at %06o", pc));
cnsl->put_string(format(" %06o> ", a));
disassemble(c, cnsl, a, true);
}
continue;
}
else if (parts[0] == "disassemble" || parts[0] == "d") {
int pc = kv.find("pc") != kv.end() ? std::stoi(kv.find("pc")->second, nullptr, 8) : c->getPC();
int n = kv.find("n") != kv.end() ? std::stoi(kv.find("n") ->second, nullptr, 10) : 1;
cnsl->put_string_lf(format("Disassemble %d instructions starting at %o", n, pc));
bool show_registers = kv.find("pc") == kv.end();
for(int i=0; i<n; i++) {
pc += disassemble(c, cnsl, pc, !show_registers);
show_registers = false;
}
continue;
}
else if (parts[0] == "setpc") {
if (parts.size() == 2) {
uint16_t new_pc = std::stoi(parts.at(1), nullptr, 8);
c->setPC(new_pc);
cnsl->put_string_lf(format("Set PC to %06o", new_pc));
}
else {
cnsl->put_string_lf("setpc requires an (octal address as) parameter");
}
continue;
}
else if (parts[0] == "toggle") {
auto s_it = kv.find("s");
auto t_it = kv.find("t");
if (s_it == kv.end() || t_it == kv.end())
cnsl->put_string_lf(format("toggle: parameter missing? current switches states: 0o%06o", c->getBus()->get_console_switches()));
else {
int s = std::stoi(s_it->second, nullptr, 8);
int t = std::stoi(t_it->second, nullptr, 8);
c->getBus()->set_console_switch(s, t);
cnsl->put_string_lf(format("Set switch %d to %d", s, t));
}
continue;
}
else if (parts[0] == "setmem") {
auto a_it = kv.find("a");
auto v_it = kv.find("v");
if (a_it == kv.end() || v_it == kv.end())
cnsl->put_string_lf("setmem: parameter missing?");
else {
uint16_t a = std::stoi(a_it->second, nullptr, 8);
uint8_t v = std::stoi(v_it->second, nullptr, 8);
c->getBus()->writeByte(a, v);
cnsl->put_string_lf(format("Set %06o to %03o", a, v));
}
continue;
}
else if (parts[0] == "trace" || parts[0] == "t") {
tracing = !tracing;
cnsl->put_string_lf(format("Tracing set to %s", tracing ? "ON" : "OFF"));
continue;
}
else if (parts[0] == "mmudump") {
mmu_dump(cnsl, b);
continue;
}
else if (parts[0] == "strace") {
if (parts.size() != 2) {
trace_start_addr = -1;
cnsl->put_string_lf("Tracing start address reset");
}
else {
trace_start_addr = std::stoi(parts[1], nullptr, 8);
cnsl->put_string_lf(format("Tracing start address set to %06o", trace_start_addr));
}
continue;
}
else if (parts[0] == "examine" || parts[0] == "e") {
if (parts.size() < 3)
cnsl->put_string_lf("parameter missing");
else {
int addr = std::stoi(parts[2], nullptr, 8);
int val = -1;
int n = parts.size() == 4 ? atoi(parts[3].c_str()) : 1;
bool word = parts[1] == "w";
if (parts[1] != "w" && parts[1] != "b") {
cnsl->put_string_lf("expected b or w");
continue;
} }
std::string out; continue;
}
else if (cmd == "lbp") {
auto bps = c->list_breakpoints();
cnsl->put_string_lf("Breakpoints:");
for(auto a : bps) {
cnsl->put_string(format(" %06o> ", a));
disassemble(c, cnsl, a, true);
}
continue;
}
else if (parts[0] == "disassemble" || parts[0] == "d") {
int pc = kv.find("pc") != kv.end() ? std::stoi(kv.find("pc")->second, nullptr, 8) : c->getPC();
int n = kv.find("n") != kv.end() ? std::stoi(kv.find("n") ->second, nullptr, 10) : 1;
cnsl->put_string_lf(format("Disassemble %d instructions starting at %o", n, pc));
bool show_registers = kv.find("pc") == kv.end();
for(int i=0; i<n; i++) { for(int i=0; i<n; i++) {
if (!word) pc += disassemble(c, cnsl, pc, !show_registers);
val = b->read(addr + i, wm_byte, rm_cur, true);
else if (word)
val = b->read(addr + i, wm_word, rm_cur, true);
if (val == -1) { show_registers = false;
cnsl->put_string_lf(format("Can't read from %06o\n", addr + i)); }
continue;
}
else if (parts[0] == "setpc") {
if (parts.size() == 2) {
uint16_t new_pc = std::stoi(parts.at(1), nullptr, 8);
c->setPC(new_pc);
cnsl->put_string_lf(format("Set PC to %06o", new_pc));
}
else {
cnsl->put_string_lf("setpc requires an (octal address as) parameter");
}
continue;
}
else if (parts[0] == "toggle") {
auto s_it = kv.find("s");
auto t_it = kv.find("t");
if (s_it == kv.end() || t_it == kv.end())
cnsl->put_string_lf(format("toggle: parameter missing? current switches states: 0o%06o", c->getBus()->get_console_switches()));
else {
int s = std::stoi(s_it->second, nullptr, 8);
int t = std::stoi(t_it->second, nullptr, 8);
c->getBus()->set_console_switch(s, t);
cnsl->put_string_lf(format("Set switch %d to %d", s, t));
}
continue;
}
else if (parts[0] == "setmem") {
auto a_it = kv.find("a");
auto v_it = kv.find("v");
if (a_it == kv.end() || v_it == kv.end())
cnsl->put_string_lf("setmem: parameter missing?");
else {
uint16_t a = std::stoi(a_it->second, nullptr, 8);
uint8_t v = std::stoi(v_it->second, nullptr, 8);
c->getBus()->writeByte(a, v);
cnsl->put_string_lf(format("Set %06o to %03o", a, v));
}
continue;
}
else if (parts[0] == "trace" || parts[0] == "t") {
tracing = !tracing;
cnsl->put_string_lf(format("Tracing set to %s", tracing ? "ON" : "OFF"));
continue;
}
else if (parts[0] == "mmudump") {
mmu_dump(cnsl, b);
continue;
}
else if (parts[0] == "strace") {
if (parts.size() != 2) {
trace_start_addr = -1;
cnsl->put_string_lf("Tracing start address reset");
}
else {
trace_start_addr = std::stoi(parts[1], nullptr, 8);
cnsl->put_string_lf(format("Tracing start address set to %06o", trace_start_addr));
}
continue;
}
else if (parts[0] == "examine" || parts[0] == "e") {
if (parts.size() < 3)
cnsl->put_string_lf("parameter missing");
else {
int addr = std::stoi(parts[2], nullptr, 8);
int val = -1;
int n = parts.size() == 4 ? atoi(parts[3].c_str()) : 1;
bool word = parts[1] == "w";
if (parts[1] != "w" && parts[1] != "b") {
cnsl->put_string_lf("expected b or w");
continue;
}
std::string out;
for(int i=0; i<n; i++) {
if (!word)
val = b->read(addr + i, wm_byte, rm_cur, true);
else if (word)
val = b->read(addr + i, wm_word, rm_cur, true);
if (val == -1) {
cnsl->put_string_lf(format("Can't read from %06o\n", addr + i));
break;
}
if (n == 1)
cnsl->put_string_lf(format("value at %06o, octal: %o, hex: %x, dec: %d\n", addr + i, val, val, val));
if (n > 1) {
if (i > 0)
out += " ";
if (word)
out += format("%06o", val);
else
out += format("%03o", val);
}
}
if (n > 1)
cnsl->put_string_lf(out);
}
continue;
}
else if (cmd == "reset" || cmd == "r") {
#if defined(ESP32)
ESP.restart();
#else
*stop_event = EVENT_NONE;
c->reset();
#endif
continue;
}
#if defined(ESP32)
else if (cmd == "cfgdisk") {
configure_disk(cnsl);
continue;
}
else if (cmd == "cfgnet") {
configure_network(cnsl);
continue;
}
else if (cmd == "chknet") {
check_network(cnsl);
continue;
}
else if (cmd == "startnet") {
start_network(cnsl);
continue;
}
else if (parts.at(0) == "serspd") {
if (parts.size() == 2) {
int speed = std::stoi(parts.at(1), nullptr, 10);
set_tty_serial_speed(speed);
cnsl->put_string_lf(format("Set baudrate to %d", speed));
}
else {
cnsl->put_string_lf("serspd requires an (decimal) parameter");
}
continue;
}
#endif
else if (cmd == "cls") {
const char cls[] = { 27, '[', '2', 'J', 12, 0 };
cnsl->put_string_lf(cls);
continue;
}
else if (cmd == "turbo") {
turbo = !turbo;
cnsl->put_string_lf(format("Turbo set to %s", turbo ? "ON" : "OFF"));
continue;
}
else if (cmd == "init") {
recall_configuration(cnsl);
continue;
}
else if (cmd == "quit" || cmd == "q") {
#if defined(ESP32)
ESP.restart();
#endif
break;
}
else if (cmd == "help" || cmd == "h" || cmd == "?") {
cnsl->put_string_lf("disassemble/d - show current instruction (pc=/n=)");
cnsl->put_string_lf("go - run until trap or ^e");
#if !defined(ESP32)
cnsl->put_string_lf("quit/q - stop emulator");
#endif
cnsl->put_string_lf("examine/e - show memory address (<b|w> <octal address> [<n>])");
cnsl->put_string_lf("reset/r - reset cpu/bus/etc");
cnsl->put_string_lf("single/s - run 1 instruction (implicit 'disassemble' command)");
cnsl->put_string_lf("sbp/cbp/lbp - set/clear/list breakpoint(s)");
cnsl->put_string_lf("trace/t - toggle tracing");
cnsl->put_string_lf("turbo - toggle turbo mode (cannot be interrupted)");
cnsl->put_string_lf("strace - start tracing from address - invoke without address to disable");
cnsl->put_string_lf("mmudump - dump MMU settings (PARs/PDRs)");
cnsl->put_string_lf("setpc - set PC to value");
cnsl->put_string_lf("setmem - set memory (a=) to value (v=), both in octal, one byte");
cnsl->put_string_lf("toggle - set switch (s=, 0...15 (decimal)) of the front panel to state (t=, 0 or 1)");
cnsl->put_string_lf("cls - clear screen");
#if defined(ESP32)
cnsl->put_string_lf("cfgnet - configure network (e.g. WiFi)");
cnsl->put_string_lf("startnet - start network");
cnsl->put_string_lf("chknet - check network status");
cnsl->put_string_lf("cfgdisk - configure disk");
cnsl->put_string_lf("serspd - set serial speed in bps (8N1 are default)");
cnsl->put_string_lf("init - reload (disk-)configuration from flash");
#endif
continue;
}
else {
cnsl->put_string_lf("?");
continue;
}
c->emulation_start();
*cnsl->get_running_flag() = true;
if (turbo) {
while(*stop_event == EVENT_NONE) {
c->step_a();
c->step_b();
}
}
else {
while(*stop_event == EVENT_NONE) {
if (!single_step)
DOLOG(debug, false, "---");
c->step_a();
if (trace_start_addr != -1 && c->getPC() == trace_start_addr)
tracing = true;
if (tracing || single_step)
disassemble(c, single_step ? cnsl : nullptr, c->getPC(), false);
if (c->check_breakpoint() && !single_step) {
cnsl->put_string_lf("Breakpoint");
break; break;
} }
if (n == 1) c->step_b();
cnsl->put_string_lf(format("value at %06o, octal: %o, hex: %x, dec: %d\n", addr + i, val, val, val));
if (n > 1) { if (single_step && --n_single_step == 0)
if (i > 0) break;
out += " ";
if (word)
out += format("%06o", val);
else
out += format("%03o", val);
}
} }
if (n > 1)
cnsl->put_string_lf(out);
} }
continue; *cnsl->get_running_flag() = false;
}
else if (cmd == "reset" || cmd == "r") {
#if defined(ESP32)
ESP.restart();
#else
*stop_event = EVENT_NONE;
c->reset(); if (!single_step) {
#endif auto speed = c->get_mips_rel_speed();
continue; cnsl->debug("MIPS: %.2f, relative speed: %.2f%%, instructions executed: %lu", std::get<0>(speed), std::get<1>(speed), std::get<2>(speed));
}
#if defined(ESP32)
else if (cmd == "cfgdisk") {
configure_disk(cnsl);
continue;
}
else if (cmd == "cfgnet") {
configure_network(cnsl);
continue;
}
else if (cmd == "chknet") {
check_network(cnsl);
continue;
}
else if (cmd == "startnet") {
start_network(cnsl);
continue;
}
else if (parts.at(0) == "serspd") {
if (parts.size() == 2) {
int speed = std::stoi(parts.at(1), nullptr, 10);
set_tty_serial_speed(speed);
cnsl->put_string_lf(format("Set baudrate to %d", speed));
}
else {
cnsl->put_string_lf("serspd requires an (decimal) parameter");
} }
continue; if (*stop_event == EVENT_INTERRUPT) {
} single_step = true;
#endif
else if (cmd == "cls") {
const char cls[] = { 12, 0 };
cnsl->put_string_lf(cls); *stop_event = EVENT_NONE;
continue;
}
else if (cmd == "turbo") {
turbo = !turbo;
cnsl->put_string_lf(format("Turbo set to %s", turbo ? "ON" : "OFF"));
continue;
}
else if (cmd == "quit" || cmd == "q") {
#if defined(ESP32)
ESP.restart();
#endif
break;
}
else if (cmd == "help" || cmd == "h" || cmd == "?") {
cnsl->put_string_lf("disassemble/d - show current instruction (pc=/n=)");
cnsl->put_string_lf("go - run until trap or ^e");
#if !defined(ESP32)
cnsl->put_string_lf("quit/q - stop emulator");
#endif
cnsl->put_string_lf("examine/e - show memory address (<b|w> <octal address> [<n>])");
cnsl->put_string_lf("reset/r - reset cpu/bus/etc");
cnsl->put_string_lf("single/s - run 1 instruction (implicit 'disassemble' command)");
cnsl->put_string_lf("sbp/cbp/lbp - set/clear/list breakpoint(s)");
cnsl->put_string_lf("trace/t - toggle tracing");
cnsl->put_string_lf("turbo - toggle turbo mode (cannot be interrupted)");
cnsl->put_string_lf("strace - start tracing from address - invoke without address to disable");
cnsl->put_string_lf("mmudump - dump MMU settings (PARs/PDRs)");
cnsl->put_string_lf("setpc - set PC to value");
cnsl->put_string_lf("setmem - set memory (a=) to value (v=), both in octal, one byte");
cnsl->put_string_lf("toggle - set switch (s=, 0...15 (decimal)) of the front panel to state (t=, 0 or 1)");
cnsl->put_string_lf("cls - clear screen");
#if defined(ESP32)
cnsl->put_string_lf("cfgnet - configure network (e.g. WiFi)");
cnsl->put_string_lf("startnet - start network");
cnsl->put_string_lf("chknet - check network status");
cnsl->put_string_lf("cfgdisk - configure disk");
cnsl->put_string_lf("serspd - set serial speed in bps (8N1 are default)");
#endif
continue;
}
else {
cnsl->put_string_lf("?");
continue;
}
c->emulation_start();
*cnsl->get_running_flag() = true;
if (turbo) {
while(*stop_event == EVENT_NONE) {
c->step_a();
c->step_b();
} }
} }
else { catch(const std::exception & e) {
while(*stop_event == EVENT_NONE) { cnsl->put_string_lf(format("Exception caught: %s", e.what()));
if (!single_step)
DOLOG(debug, false, "---");
c->step_a();
if (trace_start_addr != -1 && c->getPC() == trace_start_addr)
tracing = true;
if (tracing || single_step)
disassemble(c, single_step ? cnsl : nullptr, c->getPC(), false);
if (c->check_breakpoint() && !single_step) {
cnsl->put_string_lf("Breakpoint");
break;
}
c->step_b();
if (single_step && --n_single_step == 0)
break;
}
} }
catch(...) {
*cnsl->get_running_flag() = false; cnsl->put_string_lf("Unspecified exception caught");
if (!single_step) {
auto speed = c->get_mips_rel_speed();
cnsl->debug("MIPS: %.2f, relative speed: %.2f%%, instructions executed: %lu", std::get<0>(speed), std::get<1>(speed), std::get<2>(speed));
}
if (*stop_event == EVENT_INTERRUPT) {
single_step = true;
*stop_event = EVENT_NONE;
} }
} }
} }