From 274946539bec05f6f0e4c00d55712e057a658fb4 Mon Sep 17 00:00:00 2001 From: Clo91eaf Date: Thu, 9 May 2024 18:46:17 +0800 Subject: [PATCH] Add tui module and dependencies --- Cargo.lock | 479 ++++++++++++++++++++++++++++++++++++++++++++++-- Cargo.toml | 2 + src/cpu.rs | 12 +- src/emulator.rs | 122 +++++++++++- src/lib.rs | 1 + src/main.rs | 9 +- src/tui.rs | 21 +++ 7 files changed, 618 insertions(+), 28 deletions(-) create mode 100644 src/tui.rs diff --git a/Cargo.lock b/Cargo.lock index 19bb715..3c16803 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -2,6 +2,24 @@ # It is not intended for manual editing. version = 3 +[[package]] +name = "ahash" +version = "0.8.11" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011" +dependencies = [ + "cfg-if", + "once_cell", + "version_check", + "zerocopy", +] + +[[package]] +name = "allocator-api2" +version = "0.2.18" +source = 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verilator = { path = "../../Miscellaneous/verilated-rs/verilator", features = ["gen", "module"] } diff --git a/src/cpu.rs b/src/cpu.rs index da9ffe7..6049f01 100644 --- a/src/cpu.rs +++ b/src/cpu.rs @@ -1004,12 +1004,12 @@ impl Cpu { /// Execute a general-purpose instruction. Raises an exception if something is wrong, /// otherwise, returns a fetched instruction. It also increments the program counter by 4 bytes. fn execute_general(&mut self, inst: u64) -> Result<(), Exception> { - // match self.inst.set_bits(inst as u32) { - // Ok(_) => {} - // Err(_) => { - // panic!("unknown inst, pc: {:x}, inst: {:x}", self.pc, self.inst.bits); - // } - // } + match self.inst.set_bits(inst as u32) { + Ok(_) => {} + Err(_) => { + panic!("unknown inst, pc: {:x}, inst: {:x}", self.pc, self.inst.bits); + } + } // 2. Decode. let opcode = inst & 0x0000007f; // let rd = self.inst.rd as u64; diff --git a/src/emulator.rs b/src/emulator.rs index 4eef2a1..22e1a82 100644 --- a/src/emulator.rs +++ b/src/emulator.rs @@ -2,17 +2,28 @@ use crate::cpu::Cpu; use crate::exception::Trap; - +use crate::tui; +use crossterm::event::{self, Event, KeyCode, KeyEvent, KeyEventKind}; +use ratatui::{ + prelude::*, + widgets::{block::*, *}, +}; +use std::io; /// The emulator to hold a CPU. pub struct Emulator { /// The CPU which is the core implementation of this emulator. pub cpu: Cpu, + + exit: bool, } impl Emulator { /// Constructor for an emulator. pub fn new() -> Emulator { - Self { cpu: Cpu::new() } + Self { + cpu: Cpu::new(), + exit: false, + } } /// Reset CPU state. @@ -20,6 +31,10 @@ impl Emulator { self.cpu.reset() } + fn exit(&mut self) { + self.exit = true; + } + /// Set binary data to the beginning of the DRAM from the emulator console. pub fn initialize_dram(&mut self, data: Vec) { self.cpu.bus.initialize_dram(data); @@ -53,15 +68,114 @@ impl Emulator { } } + fn render_frame(&self, frame: &mut Frame) { + // layout + let layout_vertical = Layout::default() + .direction(Direction::Vertical) + .constraints(vec![ + Constraint::Percentage(40), + Constraint::Percentage(40), + Constraint::Percentage(20), + ]) + .split(frame.size()); + + let layout_horizontal = Layout::default() + .direction(Direction::Horizontal) + .constraints(vec![ + Constraint::Percentage(50), + Constraint::Percentage(50) + ]) + .split(layout_vertical[1]); + + // render + let pc = self.cpu.pc; + let disasm = self.cpu.inst.disassemble(pc); + frame.render_widget( + Paragraph::new(format!("pc: {:#x}, inst: {}", pc, disasm)) + .block( + Block::bordered() + .title("Instructions") + .title_alignment(Alignment::Left) + .border_type(BorderType::Rounded), + ) + .style(Style::default().fg(Color::Cyan)) + .left_aligned(), + layout_vertical[0], + ); + + frame.render_widget( + Paragraph::new(format!("[cpu] record: true, pc=0x8000000, inst=00000417",)) + .block( + Block::bordered() + .title("CPU") + .title_alignment(Alignment::Left) + .border_type(BorderType::Rounded), + ) + .style(Style::default().fg(Color::Cyan)) + .left_aligned(), + layout_horizontal[0], + ); + + frame.render_widget( + Paragraph::new(format!("[dut] commit: true, pc=0x8000000, inst=00000417",)) + .block( + Block::bordered() + .title("DUT") + .title_alignment(Alignment::Left) + .border_type(BorderType::Rounded), + ) + .style(Style::default().fg(Color::Cyan)) + .left_aligned(), + layout_horizontal[1], + ); + + frame.render_widget( + Paragraph::new(format!( + // running or stop or quit + "running" + )) + .block( + Block::bordered() + .title("Difftest Status") + .title_alignment(Alignment::Center) + .border_type(BorderType::Rounded), + ) + .style(Style::default().fg(Color::Cyan)) + .centered(), + layout_vertical[2], + ); + } + + fn handle_key_event(&mut self, key_event: KeyEvent) { + match key_event.code { + KeyCode::Char('q') => self.exit(), + KeyCode::Char('Q') => self.exit(), + _ => {} + } + } + + /// updates the application's state based on user input + fn handle_events(&mut self) -> io::Result<()> { + match event::read()? { + // it's important to check that the event is a key press event as + // crossterm also emits key release and repeat events on Windows. + Event::Key(key_event) if key_event.kind == KeyEventKind::Press => self.handle_key_event(key_event), + _ => {} + }; + Ok(()) + } + /// Start executing the emulator. - pub fn start(&mut self) { - loop { + pub fn start(&mut self, terminal: &mut tui::Tui) { + while !self.exit { // let pc = self.cpu.pc; let trap = self.execute(); // println!("================================="); // println!("pc: {:#x}, inst: {}", pc, self.cpu.inst.disassemble(pc)); // println!("{}", self.cpu.gpr.to_string()); // println!("{}", self.cpu.csr.to_string()); + terminal.draw(|frame| self.render_frame(frame)).unwrap(); + self.handle_events().unwrap(); match trap { Trap::Fatal => { diff --git a/src/lib.rs b/src/lib.rs index 4e54be2..7fbf97d 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -37,3 +37,4 @@ pub mod emulator; pub mod exception; pub mod interrupt; pub mod rom; +pub mod tui; diff --git a/src/main.rs b/src/main.rs index 977444a..0da35ec 100644 --- a/src/main.rs +++ b/src/main.rs @@ -4,6 +4,7 @@ use std::path::PathBuf; use hemu::bus::DRAM_BASE; use hemu::emulator::Emulator; +use hemu::tui; use clap::Parser; @@ -18,6 +19,10 @@ struct Args { /// A raw disk image #[arg(short = 'f', long = "file")] file: Option, + + // /// Enable tui mode + // #[arg(short = 't', long = "tui")] + // tui: bool, } /// Main function of RISC-V emulator for the CLI version. @@ -37,11 +42,13 @@ fn main() -> anyhow::Result<()> { // Create an emulator object and start the execution. let mut emu = Emulator::new(); + let mut terminal = tui::init()?; + emu.initialize_dram(kernel_data); emu.initialize_disk(img_data); emu.initialize_pc(DRAM_BASE); - emu.start(); + emu.start(&mut terminal); Ok(()) } diff --git a/src/tui.rs b/src/tui.rs new file mode 100644 index 0000000..25cfcf3 --- /dev/null +++ b/src/tui.rs @@ -0,0 +1,21 @@ +use std::io::{self, stdout, Stdout}; + +use crossterm::{execute, terminal::*}; +use ratatui::prelude::*; + +/// A type alias for the terminal type used in this application +pub type Tui = Terminal>; + +/// Initialize the terminal +pub fn init() -> io::Result { + execute!(stdout(), EnterAlternateScreen)?; + enable_raw_mode()?; + Terminal::new(CrosstermBackend::new(stdout())) +} + +/// Restore the terminal to its original state +pub fn restore() -> io::Result<()> { + execute!(stdout(), LeaveAlternateScreen)?; + disable_raw_mode()?; + Ok(()) +}