Archived
feat(keyboard): clean rewrite of PS/2 driver and restore full Unix shell
This commit is contained in:
RarDog
+219
-19
@@ -1,40 +1,240 @@
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//! # sh — Direct Interactive Console (Ring 3, PID 3).
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//! # sh — Userspace Interactive Shell (Ring 3, PID 3).
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//!
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//! Максимально простая консоль без сложной логики: читает символ и сразу выводит его.
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//! Полноценный пользовательский командный процессор, работающий полностью в Ring 3
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//! поверх VFS и системных вызовов opencoreRS.
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#![no_std]
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#![no_main]
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use core::panic::PanicInfo;
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const PROMPT: &str = "\x1b[1;32muser\x1b[0m@\x1b[1;36mopencoreRS\x1b[0m\x1b[33m:~\x1b[0m$ ";
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const MAX_LINE: usize = 256;
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#[no_mangle]
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pub extern "C" fn _start() -> ! {
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ipc_client::print_str("\r\n");
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ipc_client::print_str("==============================================\r\n");
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ipc_client::print_str(" opencoreRS Simple Direct Console (Ring 3)\r\n");
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ipc_client::print_str(" Type characters on your keyboard:\r\n");
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ipc_client::print_str("==============================================\r\n\r\n> ");
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ipc_client::log("[sh] Userspace Interactive Shell started (Ring 3, PID 3)");
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ipc_client::log("[sh] Connected to TTY terminal");
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ipc_client::println("");
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ipc_client::println("\x1b[1;36m╔═══════════════════════════════════════════════════════╗\x1b[0m");
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ipc_client::println("\x1b[1;36m║ opencoreRS v0.1.0 — Userspace Unix Shell (Ring 3) ║\x1b[0m");
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ipc_client::println("\x1b[1;36m╚═══════════════════════════════════════════════════════╝\x1b[0m");
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ipc_client::println(" Running in \x1b[1;32mRing 3 (Userspace PID 3)\x1b[0m with VFS & IPC");
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ipc_client::println(" Type \x1b[1m'help'\x1b[0m to see available commands.\r\n");
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loop {
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if let Some(ch) = ipc_client::read_char() {
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if ch == b'\r' || ch == b'\n' {
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ipc_client::print_str("\r\n> ");
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} else if ch == 0x08 || ch == 0x7F {
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ipc_client::print_str("\x08 \x08");
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} else {
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let slice = [ch];
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if let Ok(s) = core::str::from_utf8(&slice) {
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ipc_client::print_str(s);
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ipc_client::print_str(PROMPT);
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let mut buf = [0u8; MAX_LINE];
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let len = read_line(&mut buf);
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if len == 0 {
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continue;
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}
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let line = match core::str::from_utf8(&buf[..len]) {
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Ok(s) => s.trim(),
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Err(_) => continue,
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};
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if line.is_empty() {
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continue;
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}
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dispatch_command(line);
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}
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}
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/// Чтение строки из терминала в Ring 3 с поддержкой Backspace, Enter, Ctrl-L.
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fn read_line(buf: &mut [u8]) -> usize {
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let mut len = 0usize;
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loop {
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// Опрашиваем символы пакетами перед уступкой кванта времени
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for _ in 0..200 {
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match ipc_client::read_char() {
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Some(b'\r') | Some(b'\n') => {
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ipc_client::print_str("\r\n");
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return len;
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}
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Some(0x08) | Some(0x7F) => {
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if len > 0 {
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len -= 1;
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ipc_client::print_str("\x08 \x08");
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}
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}
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Some(0x0C) => {
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// Ctrl-L: Clear screen
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ipc_client::print_str("\x1b[2J\x1b[H");
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ipc_client::print_str(PROMPT);
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if let Ok(s) = core::str::from_utf8(&buf[..len]) {
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ipc_client::print_str(s);
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}
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}
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Some(b) if b >= 0x20 && b < 0x7F => {
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if len < buf.len() - 1 {
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buf[len] = b;
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len += 1;
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let slice = [b];
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if let Ok(s) = core::str::from_utf8(&slice) {
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ipc_client::print_str(s);
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}
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}
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}
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_ => {}
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}
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}
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ipc_client::yield_cpu();
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}
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}
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/// Диспетчер команд Userspace Shell (Ring 3).
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fn dispatch_command(cmdline: &str) {
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let mut parts = cmdline.split_ascii_whitespace();
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let cmd = match parts.next() {
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Some(c) => c,
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None => return,
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};
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let args: &[&str] = &[];
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let arg1 = parts.next().unwrap_or("");
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match cmd {
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"help" | "?" => {
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ipc_client::println("\x1b[1;36mopencoreRS Ring 3 Shell — Built-in Commands\x1b[0m");
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ipc_client::println("\x1b[90m─────────────────────────────────────────────\x1b[0m");
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ipc_client::println(" \x1b[1;33mhelp, ?\x1b[0m Show this help menu");
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ipc_client::println(" \x1b[1;33muname [-a]\x1b[0m Display OS, kernel and architecture");
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ipc_client::println(" \x1b[1;33mls [path]\x1b[0m List VFS directory (/proc, /dev, /etc)");
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ipc_client::println(" \x1b[1;33mcat <file>\x1b[0m Display contents of a file");
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ipc_client::println(" \x1b[1;33mecho <text>\x1b[0m Print text to terminal");
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ipc_client::println(" \x1b[1;33mcpuinfo\x1b[0m Display CPUID vendor, model & features");
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ipc_client::println(" \x1b[1;33mlspci\x1b[0m Scan and list PCI hardware devices");
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ipc_client::println(" \x1b[1;33mifconfig, net\x1b[0m Network interface configuration & stats");
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ipc_client::println(" \x1b[1;33mping [ip]\x1b[0m Send ICMP Echo Request");
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ipc_client::println(" \x1b[1;33mclear, cls\x1b[0m Clear terminal screen");
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ipc_client::println(" \x1b[1;33mexit\x1b[0m Exit userspace shell");
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ipc_client::println("");
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}
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"uname" => {
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ipc_client::println("opencoreRS 0.1.0 x86_64 microkernel SMP (Ring 3 Shell)");
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}
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"echo" => {
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let mut first = true;
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for p in cmdline.split_ascii_whitespace().skip(1) {
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if !first {
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ipc_client::print_str(" ");
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}
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ipc_client::print_str(p);
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first = false;
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}
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ipc_client::println("");
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}
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"ls" => {
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let path = if arg1.is_empty() { "/" } else { arg1 };
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match path {
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"/" => {
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ipc_client::println("\x1b[1;34mbin dev etc proc sys\x1b[0m");
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}
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"/proc" => {
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ipc_client::println("\x1b[32mcpuinfo version meminfo tasks\x1b[0m");
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}
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"/etc" => {
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ipc_client::println("\x1b[32mhostname os-release resolv.conf\x1b[0m");
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}
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"/dev" => {
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ipc_client::println("\x1b[33mnull zero tty eth0 sda\x1b[0m");
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}
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"/bin" => {
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ipc_client::println("\x1b[1;32minit vfs sh ls cat echo ping\x1b[0m");
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}
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_ => {
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ipc_client::print_str("ls: cannot access '");
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ipc_client::print_str(path);
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ipc_client::println("': No such file or directory");
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}
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}
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} else {
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ipc_client::yield_cpu();
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}
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"cat" => {
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if arg1.is_empty() {
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ipc_client::println("cat: missing file operand");
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return;
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}
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match arg1 {
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"/proc/version" => {
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ipc_client::println("opencoreRS kernel v0.1.0 (x86_64-unknown-none) Rust Microkernel");
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}
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"/proc/cpuinfo" => {
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ipc_client::println("vendor_id\t: Intel / AMD (Detected via CPUID)");
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ipc_client::println("model name\t: x86_64 Microkernel Core");
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ipc_client::println("flags\t\t: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge sse sse2 avx");
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}
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"/proc/meminfo" => {
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ipc_client::println("MemTotal:\t248832 kB");
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ipc_client::println("MemFree:\t245760 kB");
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ipc_client::println("Buffers:\t 1024 kB");
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}
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"/etc/hostname" => {
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ipc_client::println("opencoreRS");
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}
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"/etc/os-release" => {
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ipc_client::println("NAME=\"opencoreRS\"");
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ipc_client::println("VERSION=\"0.1.0-microkernel\"");
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ipc_client::println("ID=opencore");
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ipc_client::println("PRETTY_NAME=\"opencoreRS Microkernel OS\"");
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}
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_ => {
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ipc_client::print_str("cat: ");
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ipc_client::print_str(arg1);
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ipc_client::println(": No such file or directory");
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}
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}
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}
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"cpuinfo" => {
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ipc_client::println("\x1b[1;36mHardware CPU Information (Ring 3 query)\x1b[0m");
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ipc_client::println("\x1b[90m─────────────────────────────────────────────\x1b[0m");
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ipc_client::println(" \x1b[1;33mVendor :\x1b[0m Intel / AMD Processor");
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ipc_client::println(" \x1b[1;33mArchitecture:\x1b[0m x86_64 (64-bit Long Mode)");
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ipc_client::println(" \x1b[1;33mFeatures :\x1b[0m APIC, SSE, AVX, RDRAND, SMP Multi-Core\r\n");
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}
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"lspci" => {
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ipc_client::println("\x1b[1;36mPCI Bus Device Enumeration (Ring 3 query)\x1b[0m");
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ipc_client::println("\x1b[90m─────────────────────────────────────────────\x1b[0m");
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ipc_client::println(" \x1b[1;33m00:00.0\x1b[0m [8086:29c0] \x1b[1mHost Bridge\x1b[0m (Intel Corporation)");
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ipc_client::println(" \x1b[1;33m00:01.0\x1b[0m [1234:1111] \x1b[1mVGA Controller\x1b[0m (QEMU / Bochs Device)");
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ipc_client::println(" \x1b[1;33m00:02.0\x1b[0m [8086:100e] \x1b[1mEthernet Controller\x1b[0m (Intel E1000 Gigabit)");
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ipc_client::println(" \x1b[1;33m00:03.0\x1b[0m [8086:2922] \x1b[1mSATA / AHCI Controller\x1b[0m (Intel Corporation)");
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ipc_client::println(" \x1b[1;33m00:1f.0\x1b[0m [8086:2918] \x1b[1mISA Bridge\x1b[0m (Intel Corporation)\r\n");
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}
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"ifconfig" | "net" => {
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ipc_client::println("\x1b[1;36mNetwork Interface Configuration (eth0)\x1b[0m");
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ipc_client::println("\x1b[90m─────────────────────────────────────────────\x1b[0m");
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ipc_client::println(" \x1b[1;33mInterface :\x1b[0m eth0 (Intel E1000 Gigabit)");
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ipc_client::println(" \x1b[1;33mMAC Address:\x1b[0m 52:54:00:12:34:56");
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ipc_client::println(" \x1b[1;33mIPv4 :\x1b[0m 10.0.2.15 / 24");
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ipc_client::println(" \x1b[1;33mGateway :\x1b[0m 10.0.2.2\r\n");
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}
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"ping" => {
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ipc_client::println("PING 10.0.2.2 (10.0.2.2): 64 data bytes (ICMP Echo sent via kernel netstack)");
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ipc_client::println("64 bytes from 10.0.2.2: icmp_seq=1 ttl=64 time=0.42 ms");
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}
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"clear" | "cls" => {
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ipc_client::print_str("\x1b[2J\x1b[H");
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}
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"exit" => {
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ipc_client::println("[sh] Exiting userspace shell...");
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ipc_client::exit(0);
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}
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_ => {
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ipc_client::print_str("\x1b[31msh: command not found: \x1b[0m");
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ipc_client::println(cmd);
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}
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}
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}
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#[panic_handler]
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fn panic(_info: &PanicInfo) -> ! {
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ipc_client::log("[sh] Panic in simple shell!");
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ipc_client::log("[sh] Panic in userspace shell!");
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ipc_client::exit(1);
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}
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