1223 lines
33 KiB
C++
1223 lines
33 KiB
C++
// (C) 2018-2024 by Folkert van Heusden
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// Released under MIT license
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#include <optional>
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#include "gen.h"
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#if IS_POSIX
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#include <dirent.h>
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#include <jansson.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#else
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#include <Arduino.h>
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#include <ArduinoJson.h>
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#include <LittleFS.h>
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#endif
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#include "breakpoint_parser.h"
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#include "bus.h"
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#include "console.h"
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#include "cpu.h"
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#include "disk_backend.h"
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#if IS_POSIX
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#include "disk_backend_file.h"
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#else
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#include "disk_backend_esp32.h"
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#endif
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#include "disk_backend_nbd.h"
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#include "loaders.h"
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#include "log.h"
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#include "tty.h"
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#include "utils.h"
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#if defined(ESP32) || defined(BUILD_FOR_RP2040)
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#if defined(ESP32)
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#include "esp32.h"
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#elif defined(BUILD_FOR_RP2040)
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#include "rp2040.h"
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#endif
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void setBootLoader(bus *const b);
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void configure_disk(console *const c);
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void configure_network(console *const c);
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void check_network(console *const c);
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void start_network(console *const c);
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void set_tty_serial_speed(console *const c, const uint32_t bps);
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void recall_configuration(console *const c);
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#endif
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#define NET_DISK_CFG_FILE "net-disk.json"
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#if !defined(BUILD_FOR_RP2040) && !defined(linux)
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extern SdFs SD;
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#endif
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#ifndef linux
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#define MAX_CFG_SIZE 1024
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StaticJsonDocument<MAX_CFG_SIZE> json_doc;
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#endif
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typedef enum { BE_NETWORK, BE_SD } disk_backend_t;
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#if !defined(BUILD_FOR_RP2040)
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std::optional<std::tuple<std::vector<disk_backend *>, std::vector<disk_backend *>, std::string> > load_disk_configuration(console *const c)
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{
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#if IS_POSIX
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json_error_t error;
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json_t *json = json_load_file("." NET_DISK_CFG_FILE, JSON_REJECT_DUPLICATES, &error);
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if (!json) {
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c->put_string_lf(format("Cannot load ." NET_DISK_CFG_FILE ": %s", error.text));
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return { };
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}
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std::string nbd_host = json_string_value (json_object_get(json, "NBD-host"));
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int nbd_port = json_integer_value(json_object_get(json, "NBD-port"));
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std::string disk_type_temp = json_string_value (json_object_get(json, "disk-type"));
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std::string tape_file = json_string_value (json_object_get(json, "tape-file"));
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json_decref(json);
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#else
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File dataFile = LittleFS.open("/" NET_DISK_CFG_FILE, "r");
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if (!dataFile)
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return { };
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size_t size = dataFile.size();
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char buffer[MAX_CFG_SIZE];
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if (size > sizeof buffer) { // this should not happen
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dataFile.close();
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return { };
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}
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dataFile.read(reinterpret_cast<uint8_t *>(buffer), size);
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buffer[(sizeof buffer) - 1] = 0x00;
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dataFile.close();
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auto error = deserializeJson(json_doc, buffer);
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if (error) // this should not happen
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return { };
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String nbd_host = json_doc["NBD-host"];
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int nbd_port = json_doc["NBD-port"];
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String disk_type_temp = json_doc["disk-type"];
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String tape_file = json_doc["tape-file"];
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#endif
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disk_type_t disk_type = DT_RK05;
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if (disk_type_temp == "rl02")
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disk_type = DT_RL02;
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else if (disk_type_temp == "tape")
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disk_type = DT_TAPE;
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disk_backend *d = new disk_backend_nbd(nbd_host.c_str(), nbd_port);
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if (d->begin() == false) {
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c->put_string_lf("Cannot initialize NBD client from configuration file");
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delete d;
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return { };
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}
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c->put_string_lf(format("Connection to NBD server at %s:%d success", nbd_host.c_str(), nbd_port));
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if (disk_type == DT_RK05)
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return { { { d }, { }, "" } };
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if (disk_type == DT_RL02)
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return { { { }, { d }, "" } };
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if (disk_type == DT_TAPE)
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return { { { }, { }, tape_file.c_str() } };
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return { };
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}
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bool save_disk_configuration(const std::string & nbd_host, const int nbd_port, const std::optional<std::string> & tape_file, const disk_type_t dt, console *const cnsl)
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{
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#if IS_POSIX
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json_t *json = json_object();
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json_object_set(json, "NBD-host", json_string(nbd_host.c_str()));
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json_object_set(json, "NBD-port", json_integer(nbd_port));
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if (dt == DT_RK05)
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json_object_set(json, "disk-type", json_string("rk05"));
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else if (dt == DT_RL02)
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json_object_set(json, "disk-type", json_string("rl02"));
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else
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json_object_set(json, "disk-type", json_string("tape"));
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json_object_set(json, "tape-file", json_string(tape_file.has_value() ? tape_file.value().c_str() : ""));
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bool succeeded = json_dump_file(json, "." NET_DISK_CFG_FILE, 0) == 0;
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json_decref(json);
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if (succeeded == false) {
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cnsl->put_string_lf(format("Cannot write ." NET_DISK_CFG_FILE));
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return false;
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}
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#else
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json_doc["NBD-host"] = nbd_host;
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json_doc["NBD-port"] = nbd_port;
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if (dt == DT_RK05)
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json_doc["disk-type"] = "rk05";
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else if (dt == DT_RL02)
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json_doc["disk-type"] = "rl02";
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else
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json_doc["disk-type"] = "tape";
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json_doc["tape-file"] = tape_file.has_value() ? tape_file.value() : "";
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File dataFile = LittleFS.open("/" NET_DISK_CFG_FILE, "w");
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if (!dataFile)
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return false;
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serializeJson(json_doc, dataFile);
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dataFile.close();
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#endif
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return true;
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}
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#endif
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std::optional<disk_backend_t> select_disk_backend(console *const c)
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{
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#if defined(BUILD_FOR_RP2040)
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return BE_SD;
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#elif linux
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c->put_string("1. network (NBD), 2. local filesystem, 9. abort");
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#else
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c->put_string("1. network (NBD), 2. local SD card, 9. abort");
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#endif
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int ch = -1;
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while(ch == -1 && ch != '1' && ch != '2' && ch != '9') {
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auto temp = c->wait_char(500);
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if (temp.has_value())
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ch = temp.value();
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}
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c->put_string_lf(format("%c", ch));
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if (ch == '1')
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return BE_NETWORK;
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if (ch == '2')
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return BE_SD;
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return { };
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}
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std::optional<disk_type_t> select_disk_type(console *const c)
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{
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c->put_string("1. RK05, 2. RL02, 3. tape/BIC, 9. abort");
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int ch = -1;
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while(ch == -1 && ch != '1' && ch != '2' && ch != '3' && ch != '9') {
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auto temp = c->wait_char(500);
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if (temp.has_value())
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ch = temp.value();
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}
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c->put_string_lf(format("%c", ch));
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if (ch == '1')
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return DT_RK05;
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if (ch == '2')
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return DT_RL02;
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if (ch == '3')
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return DT_TAPE;
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return { };
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}
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#if !defined(BUILD_FOR_RP2040)
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std::optional<std::tuple<std::vector<disk_backend *>, std::vector<disk_backend *>, std::string> > select_nbd_server(console *const c)
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{
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c->flush_input();
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std::string hostname = c->read_line("Enter hostname (or empty to abort): ");
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if (hostname.empty())
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return { };
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std::string port_str = c->read_line("Enter port number (or empty to abort): ");
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if (port_str.empty())
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return { };
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auto disk_type = select_disk_type(c);
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if (disk_type.has_value() == false)
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return { };
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disk_backend *d = new disk_backend_nbd(hostname, atoi(port_str.c_str()));
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if (d->begin() == false) {
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c->put_string_lf("Cannot initialize NBD client");
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delete d;
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return { };
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}
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if (save_disk_configuration(hostname, atoi(port_str.c_str()), { }, disk_type.value(), c))
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c->put_string_lf("NBD disk configuration saved");
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else
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c->put_string_lf("NBD disk configuration NOT saved");
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if (disk_type.value() == DT_RK05)
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return { { { d }, { }, "" } };
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if (disk_type.value() == DT_RL02)
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return { { { }, { d }, "" } };
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return { };
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}
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#endif
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// RK05, RL02 files
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std::optional<std::tuple<std::vector<disk_backend *>, std::vector<disk_backend *>, std::string> > select_disk_files(console *const c)
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{
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#if IS_POSIX
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c->put_string_lf("Files in current directory: ");
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#else
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c->debug("MISO: %d", int(MISO));
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c->debug("MOSI: %d", int(MOSI));
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c->debug("SCK : %d", int(SCK ));
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c->debug("SS : %d", int(SS ));
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c->put_string_lf("Files on SD-card:");
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#if defined(SHA2017)
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if (!SD.begin(21, SD_SCK_MHZ(10)))
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SD.initErrorHalt();
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#elif !defined(BUILD_FOR_RP2040)
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if (!SD.begin(SS, SD_SCK_MHZ(15))) {
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auto err = SD.sdErrorCode();
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if (err)
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c->debug("SDerror: 0x%x, data: 0x%x", err, SD.sdErrorData());
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else
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c->debug("Failed to initialize SD card");
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return { };
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}
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#endif
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#endif
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for(;;) {
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#if defined(linux)
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DIR *dir = opendir(".");
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if (!dir) {
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c->put_string_lf("Cannot access directory");
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return { };
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}
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dirent *dr = nullptr;
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while((dr = readdir(dir))) {
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struct stat st { };
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if (stat(dr->d_name, &st) == 0)
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c->put_string_lf(format("%s\t\t%ld", dr->d_name, st.st_size));
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}
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closedir(dir);
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#elif defined(BUILD_FOR_RP2040)
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File root = SD.open("/");
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for(;;) {
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auto entry = root.openNextFile();
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if (!entry)
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break;
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if (!entry.isDirectory()) {
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c->put_string(entry.name());
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c->put_string("\t\t");
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c->put_string_lf(format("%ld", entry.size()));
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}
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entry.close();
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}
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#else
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SD.ls("/", LS_DATE | LS_SIZE | LS_R);
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#endif
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c->flush_input();
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std::string selected_file = c->read_line("Enter filename (or empty to abort): ");
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if (selected_file.empty())
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return { };
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auto disk_type = select_disk_type(c);
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if (disk_type.has_value() == false)
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return { };
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c->put_string("Opening file: ");
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c->put_string_lf(selected_file.c_str());
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bool can_open_file = false;
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#if IS_POSIX
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struct stat st { };
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can_open_file = stat(selected_file.c_str(), &st) == 0;
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#else
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File32 fh;
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can_open_file = fh.open(selected_file.c_str(), O_RDWR);
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if (can_open_file)
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fh.close();
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#endif
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if (can_open_file) {
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if (disk_type.value() == DT_TAPE)
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return { { { }, { }, selected_file } };
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#if IS_POSIX
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disk_backend *temp = new disk_backend_file(selected_file);
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#else
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disk_backend *temp = new disk_backend_esp32(selected_file);
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#endif
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if (!temp->begin()) {
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c->put_string("Cannot use: ");
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c->put_string_lf(selected_file.c_str());
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delete temp;
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continue;
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}
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if (disk_type.value() == DT_RK05)
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return { { { temp }, { }, "" } };
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if (disk_type.value() == DT_RL02)
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return { { { }, { temp }, "" } };
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}
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c->put_string_lf("open failed");
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}
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}
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void set_disk_configuration(bus *const b, console *const cnsl, std::tuple<std::vector<disk_backend *>, std::vector<disk_backend *>, std::string> & disk_files)
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{
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if (std::get<0>(disk_files).empty() == false)
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b->add_rk05(new rk05(std::get<0>(disk_files), b, cnsl->get_disk_read_activity_flag(), cnsl->get_disk_write_activity_flag()));
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if (std::get<1>(disk_files).empty() == false)
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b->add_rl02(new rl02(std::get<1>(disk_files), b, cnsl->get_disk_read_activity_flag(), cnsl->get_disk_write_activity_flag()));
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if (std::get<2>(disk_files).empty() == false) {
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auto addr = loadTape(b, std::get<2>(disk_files));
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if (addr.has_value())
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b->getCpu()->setPC(addr.value());
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}
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if (std::get<0>(disk_files).empty() == false)
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setBootLoader(b, BL_RK05);
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else if (std::get<1>(disk_files).empty() == false)
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setBootLoader(b, BL_RL02);
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}
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void configure_disk(bus *const b, console *const cnsl)
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{
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for(;;) {
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cnsl->put_string_lf("Load disk");
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auto backend = select_disk_backend(cnsl);
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if (backend.has_value() == false)
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break;
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std::optional<std::tuple<std::vector<disk_backend *>, std::vector<disk_backend *>, std::string> > files;
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#if !defined(BUILD_FOR_RP2040)
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if (backend == BE_NETWORK)
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files = select_nbd_server(cnsl);
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else // if (backend == BE_SD)
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#endif
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files = select_disk_files(cnsl);
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if (files.has_value() == false)
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break;
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set_disk_configuration(b, cnsl, files.value());
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break;
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}
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}
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// returns size of instruction (in bytes)
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int disassemble(cpu *const c, console *const cnsl, const uint16_t pc, const bool instruction_only)
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{
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auto data = c->disassemble(pc);
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auto registers = data["registers"];
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auto psw = data["psw"][0];
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std::string instruction_values;
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for(auto iv : data["instruction-values"])
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instruction_values += (instruction_values.empty() ? "" : ",") + iv;
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std::string work_values;
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for(auto wv : data["work-values"])
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work_values += (work_values.empty() ? "" : ",") + wv;
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std::string instruction = data["instruction-text"].at(0);
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std::string MMR0 = data["MMR0"].at(0);
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std::string MMR1 = data["MMR1"].at(0);
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std::string MMR2 = data["MMR2"].at(0);
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std::string MMR3 = data["MMR3"].at(0);
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std::string result;
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if (instruction_only)
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result = format("PC: %06o, instr: %s\t%s\t%s",
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pc,
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instruction_values.c_str(),
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instruction.c_str(),
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work_values.c_str()
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);
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else
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result = format("R0: %s, R1: %s, R2: %s, R3: %s, R4: %s, R5: %s, SP: %s, PC: %06o, PSW: %s (%s), instr: %s: %s",
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registers[0].c_str(), registers[1].c_str(), registers[2].c_str(), registers[3].c_str(), registers[4].c_str(), registers[5].c_str(),
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registers[6].c_str(), pc,
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psw.c_str(), data["psw-value"][0].c_str(),
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instruction_values.c_str(),
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instruction.c_str()
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);
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if (cnsl)
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cnsl->debug(result);
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else
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DOLOG(debug, false, "%s", result.c_str());
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std::string sp;
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for(auto sp_val : data["sp"])
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sp += (sp.empty() ? "" : ",") + sp_val;
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DOLOG(debug, false, "SP: %s, MMR0/1/2/3: %s/%s/%s/%s", sp.c_str(), MMR0.c_str(), MMR1.c_str(), MMR2.c_str(), MMR3.c_str());
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#if 0
|
|
if (c->getPSW_runmode() == 3) {
|
|
/*
|
|
FILE *fh = fopen("/home/folkert/temp/ramdisk/log-kek.dat", "a+");
|
|
fprintf(fh, "%06o", pc);
|
|
for(auto & v: data["instruction-values"])
|
|
fprintf(fh, " %s", v.c_str());
|
|
fprintf(fh, "\n");
|
|
fclose(fh);
|
|
*/
|
|
FILE *fh = fopen("/home/folkert/temp/ramdisk/da-kek.txt", "a+");
|
|
fprintf(fh, "R0 %s R1 %s R2 %s R3 %s R4 %s R5 %s R6 %s R7 %06o %s\n", registers[0].c_str(), registers[1].c_str(), registers[2].c_str(), registers[3].c_str(), registers[4].c_str(), registers[5].c_str(), registers[6].c_str(), pc, instruction.c_str());
|
|
fclose(fh);
|
|
}
|
|
#endif
|
|
|
|
return data["instruction-values"].size() * 2;
|
|
}
|
|
|
|
std::map<std::string, std::string> split(const std::vector<std::string> & kv_array, const std::string & splitter)
|
|
{
|
|
std::map<std::string, std::string> out;
|
|
|
|
for(auto pair : kv_array) {
|
|
auto kv = split(pair, splitter);
|
|
|
|
if (kv.size() == 1)
|
|
out.insert({ kv[0], "" });
|
|
else if (kv.size() == 2)
|
|
out.insert({ kv[0], kv[1] });
|
|
}
|
|
|
|
return out;
|
|
}
|
|
|
|
void dump_par_pdr(console *const cnsl, bus *const b, const uint16_t pdrs, const uint16_t pars, const std::string & name, const int state, const std::optional<int> & selection)
|
|
{
|
|
if (state == 0 || state == 2)
|
|
cnsl->put_string_lf(name);
|
|
else
|
|
cnsl->put_string_lf(format("%s DISABLED", name.c_str()));
|
|
|
|
cnsl->put_string_lf(" PAR PDR LEN");
|
|
|
|
for(int i=0; i<8; i++) {
|
|
if (selection.has_value() && i != selection.value())
|
|
continue;
|
|
uint16_t par_value = b->read(pars + i * 2, wm_word, rm_cur, true);
|
|
uint16_t pdr_value = b->read(pdrs + i * 2, wm_word, rm_cur, true);
|
|
|
|
uint16_t pdr_len = (((pdr_value >> 8) & 127) + 1) * 64;
|
|
|
|
cnsl->put_string_lf(format("%d] %06o %08o %06o %04o D%d A%d", i, par_value, par_value * 64, pdr_value, pdr_len, !!(pdr_value & 8), pdr_value & 7));
|
|
}
|
|
}
|
|
|
|
void dump_memory_contents(console *const cnsl, bus *const b, const uint16_t read_addr)
|
|
{
|
|
cnsl->put_string_lf(format("\tMOV #%06o,R0", read_addr));
|
|
cnsl->put_string_lf(format("\tMOV #%06o,(R0)", b->read(read_addr, wm_word, rm_cur, true)));
|
|
}
|
|
|
|
void dump_range_as_instructions(console *const cnsl, bus *const b, const uint16_t base)
|
|
{
|
|
for(int i=0; i<8; i++)
|
|
dump_memory_contents(cnsl, b, base + i * 2);
|
|
}
|
|
|
|
void mmu_dump(console *const cnsl, bus *const b, const bool verbose)
|
|
{
|
|
uint16_t mmr0 = b->getMMU()->getMMR0();
|
|
uint16_t mmr1 = b->getMMU()->getMMR1();
|
|
uint16_t mmr2 = b->getMMU()->getMMR2();
|
|
uint16_t mmr3 = b->getMMU()->getMMR3();
|
|
|
|
cnsl->put_string_lf(mmr0 & 1 ? "MMU enabled" : "MMU NOT enabled");
|
|
|
|
cnsl->put_string_lf(format("MMR0: %06o", mmr0));
|
|
cnsl->put_string_lf(format("MMR1: %06o", mmr1));
|
|
cnsl->put_string_lf(format("MMR2: %06o", mmr2));
|
|
cnsl->put_string_lf(format("MMR3: %06o", mmr3));
|
|
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_SV_START, ADDR_PAR_SV_START, "supervisor i-space", 0, { });
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_SV_START + 020, ADDR_PAR_SV_START + 020, "supervisor d-space", 1 + (!!(mmr3 & 2)), { });
|
|
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_K_START, ADDR_PAR_K_START, "kernel i-space", 0, { });
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_K_START + 020, ADDR_PAR_K_START + 020, "kernel d-space", 1 + (!!(mmr3 & 4)), { });
|
|
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_U_START, ADDR_PAR_U_START, "user i-space", 0, { });
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_U_START + 020, ADDR_PAR_U_START + 020, "user d-space", 1 + (!!(mmr3 & 1)), { });
|
|
|
|
if (verbose) {
|
|
dump_range_as_instructions(cnsl, b, ADDR_PDR_SV_START); // sv i
|
|
dump_range_as_instructions(cnsl, b, ADDR_PDR_SV_START + 020); // sv d
|
|
dump_range_as_instructions(cnsl, b, ADDR_PDR_K_START); // k i
|
|
dump_range_as_instructions(cnsl, b, ADDR_PDR_K_START + 020); // k d
|
|
dump_range_as_instructions(cnsl, b, ADDR_PDR_U_START); // u i
|
|
dump_range_as_instructions(cnsl, b, ADDR_PDR_U_START + 020); // u d
|
|
|
|
dump_memory_contents(cnsl, b, ADDR_MMR0);
|
|
dump_memory_contents(cnsl, b, ADDR_MMR1);
|
|
dump_memory_contents(cnsl, b, ADDR_MMR2);
|
|
dump_memory_contents(cnsl, b, ADDR_MMR3);
|
|
}
|
|
}
|
|
|
|
const char *trap_action_to_str(const trap_action_t ta)
|
|
{
|
|
if (ta == T_PROCEED)
|
|
return "proceed";
|
|
if (ta == T_ABORT_4)
|
|
return "abort (trap 4)";
|
|
if (ta == T_TRAP_250)
|
|
return "trap 250";
|
|
|
|
return "?";
|
|
}
|
|
|
|
void mmu_resolve(console *const cnsl, bus *const b, const uint16_t va)
|
|
{
|
|
int run_mode = b->getCpu()->getPSW_runmode();
|
|
cnsl->put_string_lf(format("Run mode: %d, use data space: %d", run_mode, b->getMMU()->get_use_data_space(run_mode)));
|
|
|
|
auto data = b->calculate_physical_address(run_mode, va);
|
|
|
|
uint16_t page_offset = va & 8191;
|
|
cnsl->put_string_lf(format("Active page field: %d, page offset: %o (%d)", data.apf, page_offset, page_offset));
|
|
cnsl->put_string_lf(format("Phys. addr. instruction: %08o (psw: %d)", data.physical_instruction, data.physical_instruction_is_psw));
|
|
cnsl->put_string_lf(format("Phys. addr. data: %08o (psw: %d)", data.physical_data, data.physical_data_is_psw));
|
|
|
|
uint16_t mmr3 = b->getMMU()->getMMR3();
|
|
|
|
if (run_mode == 0) {
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_K_START, ADDR_PAR_K_START, "kernel i-space", 0, data.apf);
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_K_START + 020, ADDR_PAR_K_START + 020, "kernel d-space", 1 + (!!(mmr3 & 4)), data.apf);
|
|
}
|
|
else if (run_mode == 1) {
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_SV_START, ADDR_PAR_SV_START, "supervisor i-space", 0, data.apf);
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_SV_START + 020, ADDR_PAR_SV_START + 020, "supervisor d-space", 1 + (!!(mmr3 & 4)), data.apf);
|
|
}
|
|
else if (run_mode == 3) {
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_U_START, ADDR_PAR_U_START, "user i-space", 0, data.apf);
|
|
dump_par_pdr(cnsl, b, ADDR_PDR_U_START + 020, ADDR_PAR_U_START + 020, "user d-space", 1 + (!!(mmr3 & 4)), data.apf);
|
|
}
|
|
|
|
for(int i=0; i<2; i++) {
|
|
auto ta_i = b->get_trap_action(run_mode, false, data.apf, i);
|
|
auto ta_d = b->get_trap_action(run_mode, true, data.apf, i);
|
|
|
|
cnsl->put_string_lf(format("Instruction action: %s (%s)", trap_action_to_str(ta_i.first), i ? "write" : "read"));
|
|
cnsl->put_string_lf(format("Data action : %s (%s)", trap_action_to_str(ta_d.first), i ? "write" : "read"));
|
|
}
|
|
}
|
|
|
|
void reg_dump(console *const cnsl, cpu *const c)
|
|
{
|
|
for(uint8_t set=0; set<2; set++) {
|
|
cnsl->put_string_lf(format("Set %d, R0: %06o, R1: %06o, R2: %06o, R3: %06o, R4: %06o, R5: %06o",
|
|
set,
|
|
c->lowlevel_register_get(set, 0),
|
|
c->lowlevel_register_get(set, 1),
|
|
c->lowlevel_register_get(set, 2),
|
|
c->lowlevel_register_get(set, 3),
|
|
c->lowlevel_register_get(set, 4),
|
|
c->lowlevel_register_get(set, 5)));
|
|
}
|
|
|
|
cnsl->put_string_lf(format("PSW: %06o, PC: %06o, run mode: %d", c->getPSW(), c->lowlevel_register_get(0, 7), c->getPSW_runmode()));
|
|
|
|
cnsl->put_string_lf(format("STACK: k:%06o, sv:%06o, -:%06o, usr: %06o",
|
|
c->lowlevel_register_sp_get(0),
|
|
c->lowlevel_register_sp_get(1),
|
|
c->lowlevel_register_sp_get(2),
|
|
c->lowlevel_register_sp_get(3)));
|
|
}
|
|
|
|
void show_run_statistics(console *const cnsl, cpu *const c)
|
|
{
|
|
auto stats = c->get_mips_rel_speed({ }, { });
|
|
|
|
cnsl->put_string_lf(format("Executed %zu instructions in %.2f ms of which %.2f ms idle", size_t(std::get<2>(stats)), std::get<3>(stats) / 1000., std::get<4>(stats) / 1000.));
|
|
cnsl->put_string_lf(format("MIPS: %.2f, relative speed: %.2f%%", std::get<0>(stats), std::get<1>(stats)));
|
|
}
|
|
|
|
void show_queued_interrupts(console *const cnsl, cpu *const c)
|
|
{
|
|
cnsl->put_string_lf(format("Current level: %d", c->getPSW_spl()));
|
|
|
|
auto delay = c->get_interrupt_delay_left();
|
|
if (delay.has_value())
|
|
cnsl->put_string_lf(format("Current delay left: %d", delay.value()));
|
|
else
|
|
cnsl->put_string_lf("No delay");
|
|
|
|
cnsl->put_string_lf(format("Interrupt pending flag: %d", c->check_if_interrupts_pending()));
|
|
|
|
auto queued_interrupts = c->get_queued_interrupts();
|
|
|
|
for(auto & level: queued_interrupts) {
|
|
for(auto & qi: level.second)
|
|
cnsl->put_string_lf(format("Level: %d, interrupt: %03o", level.first, qi));
|
|
}
|
|
}
|
|
|
|
void debugger(console *const cnsl, bus *const b, std::atomic_uint32_t *const stop_event, const bool tracing_in)
|
|
{
|
|
int32_t trace_start_addr = -1;
|
|
bool tracing = tracing_in;
|
|
int n_single_step = 1;
|
|
bool turbo = false;
|
|
std::optional<int> t_rl; // trace runlevel
|
|
|
|
cpu *const c = b->getCpu();
|
|
|
|
b->set_debug_mode();
|
|
|
|
bool single_step = false;
|
|
|
|
while(*stop_event != EVENT_TERMINATE) {
|
|
try {
|
|
std::string cmd = cnsl->read_line(format("%d", stop_event->load()));
|
|
auto parts = split(cmd, " ");
|
|
auto kv = split(parts, "=");
|
|
|
|
if (parts.empty())
|
|
continue;
|
|
|
|
if (cmd == "go") {
|
|
single_step = false;
|
|
|
|
*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){
|
|
if (parts[0] == "sbp") {
|
|
std::size_t space = cmd.find(" ");
|
|
|
|
std::pair<breakpoint *, std::optional<std::string> > rc = parse_breakpoint(b, cmd.substr(space + 1));
|
|
|
|
if (rc.first == nullptr) {
|
|
if (rc.second.has_value())
|
|
cnsl->put_string_lf(rc.second.value());
|
|
else
|
|
cnsl->put_string_lf("not set");
|
|
}
|
|
else {
|
|
int id = c->set_breakpoint(rc.first);
|
|
|
|
cnsl->put_string_lf(format("Breakpoint has id: %d", id));
|
|
}
|
|
}
|
|
else {
|
|
if (c->remove_breakpoint(std::stoi(parts[1])))
|
|
cnsl->put_string_lf("Breakpoint cleared");
|
|
else
|
|
cnsl->put_string_lf("Breakpoint not found");
|
|
}
|
|
|
|
continue;
|
|
}
|
|
else if (cmd == "lbp") {
|
|
auto bps = c->list_breakpoints();
|
|
|
|
cnsl->put_string_lf("Breakpoints:");
|
|
|
|
for(auto a : bps)
|
|
cnsl->put_string_lf(format("%d: %s", a.first, a.second->emit().c_str()));
|
|
|
|
if (bps.empty())
|
|
cnsl->put_string_lf("(none)");
|
|
|
|
continue;
|
|
}
|
|
else if (parts[0] == "disassemble" || parts[0] == "d") {
|
|
uint16_t 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, parts.size() == 2 && parts[1] == "-v");
|
|
|
|
continue;
|
|
}
|
|
else if (parts[0] == "mmures") {
|
|
if (parts.size() == 2)
|
|
mmu_resolve(cnsl, b, std::stoi(parts[1], nullptr, 8));
|
|
else
|
|
cnsl->put_string_lf("Parameter missing");
|
|
|
|
continue;
|
|
}
|
|
else if (parts[0] == "regdump") {
|
|
reg_dump(cnsl, c);
|
|
|
|
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 {
|
|
uint32_t addr = std::stoi(parts[1], nullptr, 8);
|
|
int n = parts.size() == 4 ? atoi(parts[3].c_str()) : 1;
|
|
|
|
if (parts[2] != "p" && parts[2] != "v") {
|
|
cnsl->put_string_lf("expected p (physical address) or v (virtual address)");
|
|
|
|
continue;
|
|
}
|
|
|
|
std::string out;
|
|
|
|
for(int i=0; i<n; i++) {
|
|
uint32_t cur_addr = addr + i * 2;
|
|
int val = parts[2] == "v" ? b->read(cur_addr, wm_word, rm_cur, true) : b->readPhysical(cur_addr);
|
|
|
|
if (val == -1) {
|
|
cnsl->put_string_lf(format("Can't read from %06o\n", cur_addr));
|
|
break;
|
|
}
|
|
|
|
if (n == 1)
|
|
cnsl->put_string_lf(format("value at %06o, octal: %o, hex: %x, dec: %d\n", cur_addr, val, val, val));
|
|
|
|
if (n > 1) {
|
|
if (i > 0)
|
|
out += " ";
|
|
|
|
out += format("%06o=%06o", cur_addr, val);
|
|
}
|
|
}
|
|
|
|
if (n > 1)
|
|
cnsl->put_string_lf(out);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
else if (cmd == "reset" || cmd == "r") {
|
|
*stop_event = EVENT_NONE;
|
|
b->reset();
|
|
continue;
|
|
}
|
|
else if (cmd == "cfgdisk") {
|
|
configure_disk(b, cnsl);
|
|
|
|
continue;
|
|
}
|
|
#if defined(ESP32)
|
|
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) {
|
|
uint32_t speed = std::stoi(parts.at(1), nullptr, 10);
|
|
set_tty_serial_speed(cnsl, speed);
|
|
|
|
cnsl->put_string_lf(format("Set baudrate to %d", speed));
|
|
}
|
|
else {
|
|
cnsl->put_string_lf("serspd requires an (decimal) parameter");
|
|
}
|
|
|
|
continue;
|
|
}
|
|
else if (cmd == "init") {
|
|
recall_configuration(cnsl);
|
|
|
|
continue;
|
|
}
|
|
#endif
|
|
else if (cmd == "stats") {
|
|
show_run_statistics(cnsl, c);
|
|
|
|
continue;
|
|
}
|
|
else if (parts[0] == "ramsize") {
|
|
if (parts.size() == 2)
|
|
b->set_memory_size(std::stoi(parts.at(1)));
|
|
else {
|
|
int n_pages = b->get_memory_size();
|
|
|
|
cnsl->put_string_lf(format("Memory size: %u pages or %u kB (decimal)", n_pages, n_pages * 8192 / 1024));
|
|
}
|
|
|
|
continue;
|
|
}
|
|
else if (parts[0] == "bl" && parts.size() == 2) {
|
|
setBootLoader(b, parts.at(1) == "rk05" ? BL_RK05 : BL_RL02);
|
|
cnsl->put_string_lf("Bootloader set");
|
|
|
|
continue;
|
|
}
|
|
else if (parts[0] == "trl") {
|
|
if (parts.size() == 1)
|
|
t_rl.reset();
|
|
else
|
|
t_rl = std::stoi(parts.at(1));
|
|
|
|
continue;
|
|
}
|
|
else if (cmd == "cls") {
|
|
const char cls[] = { 27, '[', '2', 'J', 12, 0 };
|
|
|
|
cnsl->put_string_lf(cls);
|
|
|
|
continue;
|
|
}
|
|
else if (cmd == "turbo") {
|
|
turbo = !turbo;
|
|
|
|
if (turbo)
|
|
c->set_debug(false);
|
|
|
|
cnsl->put_string_lf(format("Turbo set to %s", turbo ? "ON" : "OFF"));
|
|
|
|
continue;
|
|
}
|
|
else if (cmd == "debug") {
|
|
bool new_mode = !c->get_debug();
|
|
c->set_debug(new_mode);
|
|
|
|
cnsl->put_string_lf(format("Debug mode set to %s", new_mode ? "ON" : "OFF"));
|
|
|
|
continue;
|
|
}
|
|
else if (parts[0] == "setll" && parts.size() == 2) {
|
|
auto ll_parts = split(parts[1], ",");
|
|
|
|
if (ll_parts.size() != 2)
|
|
cnsl->put_string_lf("Loglevel for either screen or file missing");
|
|
else {
|
|
log_level_t ll_screen = parse_ll(ll_parts[0]);
|
|
log_level_t ll_file = parse_ll(ll_parts[1]);
|
|
|
|
setll(ll_screen, ll_file);
|
|
}
|
|
}
|
|
else if (parts[0] == "setll" && parts.size() == 2) {
|
|
auto ll_parts = split(parts[1], ",");
|
|
|
|
if (ll_parts.size() != 2)
|
|
cnsl->put_string_lf("Loglevel for either screen or file missing");
|
|
else {
|
|
log_level_t ll_screen = parse_ll(ll_parts[0]);
|
|
log_level_t ll_file = parse_ll(ll_parts[1]);
|
|
|
|
setll(ll_screen, ll_file);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
else if (parts[0] == "setsl" && parts.size() == 3) {
|
|
setloghost(parts.at(1).c_str(), parse_ll(parts[2]));
|
|
|
|
continue;
|
|
}
|
|
else if (cmd == "qi") {
|
|
show_queued_interrupts(cnsl, c);
|
|
|
|
continue;
|
|
}
|
|
else if (cmd == "bt") {
|
|
if (c->get_debug() == false)
|
|
cnsl->put_string_lf("Debug mode is disabled!");
|
|
|
|
auto backtrace = c->get_stack_trace();
|
|
|
|
for(auto & element: backtrace)
|
|
cnsl->put_string_lf(format("%06o %s", element.first, element.second.c_str()));
|
|
|
|
continue;
|
|
}
|
|
else if (cmd == "quit" || cmd == "q") {
|
|
#if defined(ESP32)
|
|
ESP.restart();
|
|
#endif
|
|
break;
|
|
}
|
|
else if (cmd == "help" || cmd == "h" || cmd == "?") {
|
|
constexpr const char *const help[] = {
|
|
"disassemble/d - show current instruction (pc=/n=)",
|
|
"go - run until trap or ^e",
|
|
#if !defined(ESP32)
|
|
"quit/q - stop emulator",
|
|
#endif
|
|
"examine/e - show memory address (<octal address> <p|v> [<n>])",
|
|
"reset/r - reset cpu/bus/etc",
|
|
"single/s - run 1 instruction (implicit 'disassemble' command)",
|
|
"sbp/cbp/lbp - set/clear/list breakpoint(s)",
|
|
" e.g.: (pc=0123 and memwv[04000]=0200,0300 and (r4=07,05 or r5=0456))",
|
|
" values seperated by ',', char after mem is w/b (word/byte), then",
|
|
" follows v/p (virtual/physical), all octal values, mmr0-3 and psw are",
|
|
" registers",
|
|
"trace/t - toggle tracing",
|
|
"setll - set loglevel: terminal,file",
|
|
"setsl - set syslog target: requires a hostname and a loglevel",
|
|
"turbo - toggle turbo mode (cannot be interrupted)",
|
|
"debug - enable CPU debug mode",
|
|
"bt - show backtrace - need to enable debug first",
|
|
"strace - start tracing from address - invoke without address to disable",
|
|
"trl - set trace run-level, empty for all",
|
|
"regdump - dump register contents",
|
|
"mmudump - dump MMU settings (PARs/PDRs)",
|
|
"mmures - resolve a virtual address",
|
|
"qi - show queued interrupts",
|
|
"setpc - set PC to value",
|
|
"setmem - set memory (a=) to value (v=), both in octal, one byte",
|
|
"toggle - set switch (s=, 0...15 (decimal)) of the front panel to state (t=, 0 or 1)",
|
|
"cls - clear screen",
|
|
"stats - show run statistics",
|
|
"ramsize - set ram size (page count (8 kB))",
|
|
"bl - set bootload (rl02 or rk05)",
|
|
#if defined(ESP32)
|
|
"cfgnet - configure network (e.g. WiFi)",
|
|
"startnet - start network",
|
|
"chknet - check network status",
|
|
"serspd - set serial speed in bps (8N1 are default)",
|
|
"init - reload (disk-)configuration from flash",
|
|
#endif
|
|
"cfgdisk - configure disk",
|
|
nullptr
|
|
};
|
|
|
|
size_t i=0;
|
|
while(help[i])
|
|
cnsl->put_string_lf(help[i++]);
|
|
continue;
|
|
}
|
|
else {
|
|
cnsl->put_string_lf("?");
|
|
continue;
|
|
}
|
|
|
|
c->emulation_start();
|
|
|
|
*cnsl->get_running_flag() = true;
|
|
|
|
bool reset_cpu = true;
|
|
|
|
if (turbo) {
|
|
while(*stop_event == EVENT_NONE)
|
|
c->step();
|
|
}
|
|
else {
|
|
reset_cpu = false;
|
|
|
|
while(*stop_event == EVENT_NONE) {
|
|
if (!single_step)
|
|
DOLOG(debug, false, "---");
|
|
|
|
if (trace_start_addr != -1 && c->getPC() == trace_start_addr)
|
|
tracing = true;
|
|
|
|
if ((tracing || single_step) && (t_rl.has_value() == false || t_rl.value() == c->getPSW_runmode()))
|
|
disassemble(c, single_step ? cnsl : nullptr, c->getPC(), false);
|
|
|
|
auto bp_result = c->check_breakpoint();
|
|
if (bp_result.has_value() && !single_step) {
|
|
cnsl->put_string_lf("Breakpoint: " + bp_result.value());
|
|
break;
|
|
}
|
|
|
|
c->step();
|
|
|
|
if (single_step && --n_single_step == 0)
|
|
break;
|
|
}
|
|
}
|
|
|
|
*cnsl->get_running_flag() = false;
|
|
|
|
if (reset_cpu)
|
|
c->reset();
|
|
}
|
|
catch(const std::exception & e) {
|
|
cnsl->put_string_lf(format("Exception caught: %s", e.what()));
|
|
}
|
|
catch(const int ei) {
|
|
cnsl->put_string_lf(format("Problem: %d", ei));
|
|
}
|
|
catch(...) {
|
|
cnsl->put_string_lf("Unspecified exception caught");
|
|
}
|
|
}
|
|
}
|
|
|
|
void run_bic(console *const cnsl, bus *const b, std::atomic_uint32_t *const stop_event, const bool tracing, const uint16_t start_addr)
|
|
{
|
|
cpu *const c = b->getCpu();
|
|
|
|
c->setRegister(7, start_addr);
|
|
|
|
*cnsl->get_running_flag() = true;
|
|
|
|
while(*stop_event == EVENT_NONE) {
|
|
if (tracing)
|
|
disassemble(c, nullptr, c->getPC(), false);
|
|
|
|
c->step();
|
|
}
|
|
|
|
*cnsl->get_running_flag() = false;
|
|
}
|