newest versions from Fabrice Bellard
This commit is contained in:
parent
5e4018a0c0
commit
53ccdd71af
3
Makefile
3
Makefile
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@ -5,3 +5,6 @@ wget-javascript:
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rm -f *.js
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wget -c https://bellard.org/jslinux/term.js
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wget -c https://bellard.org/jslinux/jslinux.js
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wget -c https://bellard.org/jslinux/x86emu-wasm.js
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wget -c https://bellard.org/jslinux/riscvemu64-wasm.js
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wget -c https://bellard.org/jslinux/riscvemu32-wasm.js
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727
jslinux.js
727
jslinux.js
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@ -1,126 +1,661 @@
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/*
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Linux launcher
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Copyright (c) 2011-2012 Fabrice Bellard
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Redistribution or commercial use is prohibited without the author's
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permission.
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*/
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/*
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* JS Linux main
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*
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* Copyright (c) 2017 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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"use strict";
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var term, pc, boot_start_time, init_state;
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var term, console_write1, console_resize_event;
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var graphic_display, display_key_event, display_mouse_event;
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var net_state, net_write_packet, net_set_carrier;
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var display_wheel_event;
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var fs_import_file;
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var Module = {};
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var downloading_timer_pending = false;
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var downloading_timer;
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function term_start()
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function on_update_file(f)
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{
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term = new Term(80, 30, term_handler);
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term.open();
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var f, reader;
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reader = new FileReader();
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reader.onload = function (ev) {
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var buf, buf_addr, buf_len;
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buf = new Uint8Array(reader.result);
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buf_len = buf.length;
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buf_addr = _malloc(buf_len);
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HEAPU8.set(buf, buf_addr);
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/* the buffer is freed by the function */
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fs_import_file(f.name, buf_addr, buf_len);
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};
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reader.readAsArrayBuffer(f);
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}
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function on_update_files(files)
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{
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var i, n;
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n = files.length;
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for(i = 0; i < n; i++) {
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on_update_file(files[i]);
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}
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}
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/* send chars to the serial port */
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function term_handler(str)
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{
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pc.serial.send_chars(str);
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var i;
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for(i = 0; i < str.length; i++) {
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console_write1(str.charCodeAt(i));
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}
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}
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function clipboard_set(val)
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function downloading_timer_cb()
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{
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var el = document.getElementById("net_progress");
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el.style.visibility = "hidden";
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downloading_timer_pending = false;
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}
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function update_downloading(flag)
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{
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var el;
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el = document.getElementById("text_clipboard");
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el.value = val;
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if (flag) {
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if (downloading_timer_pending) {
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clearTimeout(downloading_timer);
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downloading_timer_pending = false;
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} else {
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el = document.getElementById("net_progress");
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el.style.visibility = "visible";
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}
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} else {
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downloading_timer_pending = true;
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downloading_timer = setTimeout(downloading_timer_cb, 500);
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}
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}
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function clipboard_get()
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function get_params()
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{
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var el;
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el = document.getElementById("text_clipboard");
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return el.value;
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var url, query_str, p, tab, i, params, tab2;
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query_str = window.location.href;
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p = query_str.indexOf("?");
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if (p < 0)
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return {};
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query_str = query_str.substr(p + 1);
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tab = query_str.split("&");
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params = {};
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for(i = 0; i < tab.length; i++) {
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tab2 = tab[i].split("=");
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params[decodeURIComponent(tab2[0])] = decodeURIComponent(tab2[1]);
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}
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return params;
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}
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function clear_clipboard()
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function get_absolute_url(fname)
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{
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var el;
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el = document.getElementById("text_clipboard");
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el.value = "";
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}
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/* just used to display the boot time in the VM */
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function get_boot_time()
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{
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return (+new Date()) - boot_start_time;
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}
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function start()
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{
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var params;
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var path, p;
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init_state = new Object();
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params = new Object();
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/* serial output chars */
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params.serial_write = term.write.bind(term);
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/* memory size (in bytes) */
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params.mem_size = 31 * 1024 * 1024;
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/* clipboard I/O */
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params.clipboard_get = clipboard_get;
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params.clipboard_set = clipboard_set;
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params.get_boot_time = get_boot_time;
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/* IDE drive. The raw disk image is split into files of
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* 'block_size' KB.
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*/
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//params.hda = { url: "hda%d.bin", block_size: 64, nb_blocks: 912 };
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params.hda = { url: "bin/hda%d.bin", block_size: 64, nb_blocks: 912 };
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//modify by hao
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pc = new PCEmulator(params);
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init_state.params = params;
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pc.load_binary("vmlinux-2.6.20.bin", 0x00100000, start2);
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if (fname.indexOf(":") >= 0)
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return fname;
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path = window.location.pathname;
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p = path.lastIndexOf("/");
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if (p < 0)
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return fname;
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return window.location.origin + path.slice(0, p + 1) + fname;
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}
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function start2(ret)
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function GraphicDisplay(parent_el, width, height)
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{
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if (ret < 0)
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return;
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init_state.start_addr = 0x10000;
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pc.load_binary("linuxstart.bin", init_state.start_addr, start3);
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this.width = width;
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this.height = height;
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this.canvas_el = document.createElement("canvas");
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this.canvas_el.width = width; /* logical width */
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this.canvas_el.height = height; /* logical width */
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/* displayed size */
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this.canvas_el.style.width = width + "px";
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this.canvas_el.style.height = height + "px";
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this.canvas_el.style.cursor = "none";
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parent_el.appendChild(this.canvas_el);
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this.ctx = this.canvas_el.getContext("2d");
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/* clear the display */
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this.ctx.fillStyle = "#000000";
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this.ctx.fillRect(0, 0, width, height);
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this.image = this.ctx.createImageData(width, height);
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this.key_pressed = new Uint8Array(128);
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document.addEventListener("keydown",
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this.keyDownHandler.bind(this), false);
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document.addEventListener("keyup",
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this.keyUpHandler.bind(this), false);
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document.addEventListener("blur",
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this.blurHandler.bind(this), false);
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this.canvas_el.onmousedown = this.mouseMoveHandler.bind(this);
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this.canvas_el.onmouseup = this.mouseMoveHandler.bind(this);
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this.canvas_el.onmousemove = this.mouseMoveHandler.bind(this);
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this.canvas_el.oncontextmenu = this.onContextMenuHandler.bind(this);
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this.canvas_el.onwheel = this.wheelHandler.bind(this);
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}
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function start3(ret)
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GraphicDisplay.code_to_input_map = {
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"Escape": 0x01,
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"Digit1": 0x02,
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"Digit2": 0x03,
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"Digit3": 0x04,
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"Digit4": 0x05,
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"Digit5": 0x06,
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"Digit6": 0x07,
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"Digit7": 0x08,
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"Digit8": 0x09,
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"Digit9": 0x0a,
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"Digit0": 0x0b,
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"Minus": 0x0c,
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"Equal": 0x0d,
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"Backspace": 0x0e,
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"Tab": 0x0f,
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"KeyQ": 0x10,
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"KeyW": 0x11,
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"KeyE": 0x12,
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"KeyR": 0x13,
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"KeyT": 0x14,
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"KeyY": 0x15,
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"KeyU": 0x16,
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"KeyI": 0x17,
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"KeyO": 0x18,
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"KeyP": 0x19,
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"BracketLeft": 0x1a,
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"BracketRight": 0x1b,
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"Enter": 0x1c,
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"ControlLeft": 0x1d,
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"KeyA": 0x1e,
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"KeyS": 0x1f,
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"KeyD": 0x20,
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"KeyF": 0x21,
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"KeyG": 0x22,
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"KeyH": 0x23,
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"KeyJ": 0x24,
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"KeyK": 0x25,
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"KeyL": 0x26,
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"Semicolon": 0x27,
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"Quote": 0x28,
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"Backquote": 0x29,
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"ShiftLeft": 0x2a,
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"Backslash": 0x2b,
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"KeyZ": 0x2c,
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"KeyX": 0x2d,
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"KeyC": 0x2e,
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"KeyV": 0x2f,
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"KeyB": 0x30,
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"KeyN": 0x31,
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"KeyM": 0x32,
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"Comma": 0x33,
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"Period": 0x34,
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"Slash": 0x35,
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"ShiftRight": 0x36,
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"NumpadMultiply": 0x37,
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"AltLeft": 0x38,
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"Space": 0x39,
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"CapsLock": 0x3a,
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"F1": 0x3b,
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"F2": 0x3c,
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"F3": 0x3d,
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"F4": 0x3e,
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"F5": 0x3f,
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"F6": 0x40,
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"F7": 0x41,
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"F8": 0x42,
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"F9": 0x43,
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"F10": 0x44,
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"NumLock": 0x45,
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"ScrollLock": 0x46,
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"Numpad7": 0x47,
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"Numpad8": 0x48,
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"Numpad9": 0x49,
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"NumpadSubtract": 0x4a,
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"Numpad4": 0x4b,
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"Numpad5": 0x4c,
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"Numpad6": 0x4d,
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"NumpadAdd": 0x4e,
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"Numpad1": 0x4f,
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"Numpad2": 0x50,
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"Numpad3": 0x51,
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"Numpad0": 0x52,
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"NumpadDecimal": 0x53,
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"IntlBackslash": 0x56,
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"F11": 0x57,
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"F12": 0x58,
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"NumpadEnter": 96,
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"ControlRight": 97,
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"NumpadDivide": 98,
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"AltRight": 100,
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"Home": 102,
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"ArrowUp": 103,
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"PageUp": 104,
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"ArrowLeft": 105,
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"ArrowRight": 106,
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"End": 107,
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"ArrowDown": 108,
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"PageDown": 109,
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"Insert": 110,
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"Delete": 111,
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"OSLeft": 125,
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"OSRight": 126,
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"ContextMenu": 127,
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};
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GraphicDisplay.key_code_to_input_map = new Uint8Array([
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0, 0, 0, 0, 0, 0, 0, 0,
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0x0E, 0x0F, 0, 0, 0, 0x1C, 0, 0,
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0x2A, 0x1D, 0x38, 0, 0x3A, 0, 0, 0, /* 0x10 */
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0, 0, 0, 0x01, 0, 0, 0, 0,
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0x39, 104, 109, 107, 102, 105, 103, 106, /* 0x20 */
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0x50, 0, 0, 0, 0, 0x52, 0x53, 0,
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0x0B, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, /* 0x30 */
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0x09, 0x0A, 0, 0x27, 0, 0x0D, 0, 0,
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0, 0x1E, 0x30, 0x2E, 0x20, 0x12, 0x21, 0x22, /* 0x40 */
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0x23, 0x17, 0x24, 0x25, 0x26, 0x32, 0x31, 0x18,
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0x19, 0x10, 0x13, 0x1F, 0x14, 0x16, 0x2F, 0x11, /* 0x50 */
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0x2D, 0x15, 0x2C, 125, 126, 127, 0, 0,
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0x52, 0x4F, 0x50, 0x51, 0x4B, 0x4C, 0x4D, 0x47, /* 0x60 */
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0x48, 0x49, 0x37, 0x4e, 0, 0x4a, 0x53, 98,
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0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, /* 0x70 */
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0x43, 0x44, 0x57, 0x58, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 */
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0, 0, 0, 0, 0, 0, 0, 0,
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0x45, 0, 0, 0, 0, 0, 0, 0, /* 0x90 */
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xa0 */
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0, 0, 0, 0, 0, 0x0C, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xb0 */
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0, 0, 0x27, 0x0D, 0x33, 0x0C, 0x34, 0x35,
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0x29, 0, 0, 0, 0, 0, 0, 0, /* 0xc0 */
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, /* 0xd0 */
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0, 0, 0, 0x1A, 0x2B, 0x1B, 0x28, 0,
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125, 100, 0, 0, 0, 0, 0, 0, /* 0xe0 */
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0, 0, 0, 0, 0, 0, 0, 0,
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]);
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GraphicDisplay.prototype.keyHandler = function keyHandler(ev, isDown)
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{
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var block_list;
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if (ret < 0)
|
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return;
|
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/* Preload blocks so that the boot time does not depend on the
|
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* time to load the required disk data (optional) */
|
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block_list = [ 0, 7, 3, 643, 720, 256, 336, 644, 781, 387, 464, 475, 131, 589, 468, 472, 474, 776, 777, 778, 779, 465, 466, 473, 467, 469, 470, 512, 592, 471, 691, 697, 708, 792, 775, 769 ];
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pc.ide0.drives[0].bs.preload(block_list, start4);
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var code, input_key_code;
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/* At least avoid exiting the navigator if Ctrl-Q or Ctrl-W are
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* pressed */
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if (ev.ctrlKey) {
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window.onbeforeunload = function() {
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window.onbeforeunload = null;
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return "CTRL-W or Ctrl-Q cannot be sent to the emulator.";
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};
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} else {
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window.onbeforeunload = null;
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}
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if (typeof ev.code != "undefined") {
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code = ev.code;
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input_key_code = GraphicDisplay.code_to_input_map[code];
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if (typeof input_key_code != "undefined") {
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// console.log("code=" + code + " isDown=" + isDown + " input_key_code=" + input_key_code);
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this.key_pressed[input_key_code] = isDown;
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display_key_event(isDown, input_key_code);
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if (ev.stopPropagation)
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||||
ev.stopPropagation();
|
||||
if (ev.preventDefault)
|
||||
ev.preventDefault();
|
||||
return false;
|
||||
}
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||||
} else {
|
||||
/* fallback using keyCodes. Works only with an US keyboard */
|
||||
code = ev.keyCode;
|
||||
if (code < 256) {
|
||||
input_key_code = GraphicDisplay.key_code_to_input_map[code];
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||||
// console.log("keyCode=" + code + " isDown=" + isDown + " input_key_code=" + input_key_code);
|
||||
if (input_key_code) {
|
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this.key_pressed[input_key_code] = isDown;
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||||
display_key_event(isDown, input_key_code);
|
||||
|
||||
if (ev.stopPropagation)
|
||||
ev.stopPropagation();
|
||||
if (ev.preventDefault)
|
||||
ev.preventDefault();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
function start4(ret)
|
||||
GraphicDisplay.prototype.keyDownHandler = function keyDownHandler(ev)
|
||||
{
|
||||
var cmdline_addr;
|
||||
|
||||
if (ret < 0)
|
||||
return;
|
||||
|
||||
/* set the Linux kernel command line */
|
||||
cmdline_addr = 0xf800;
|
||||
pc.cpu.write_string(cmdline_addr, "console=ttyS0 root=/dev/hda ro init=/sbin/init notsc=1 hdb=none");
|
||||
|
||||
pc.cpu.set_reg(8, init_state.start_addr); /* eip */
|
||||
pc.cpu.set_reg(0, init_state.params.mem_size); /* eax */
|
||||
pc.cpu.set_reg(3, 0); /* ebx = initrd_size (no longer used) */
|
||||
pc.cpu.set_reg(1, cmdline_addr); /* ecx */
|
||||
|
||||
boot_start_time = (+new Date());
|
||||
|
||||
pc.start();
|
||||
return this.keyHandler(ev, 1);
|
||||
}
|
||||
|
||||
term_start();
|
||||
GraphicDisplay.prototype.keyUpHandler = function keyUpHandler(ev)
|
||||
{
|
||||
return this.keyHandler(ev, 0);
|
||||
}
|
||||
|
||||
GraphicDisplay.prototype.blurHandler = function blurHandler(ev, isDown)
|
||||
{
|
||||
var i, n, key_pressed;
|
||||
/* allow unloading the page */
|
||||
window.onbeforeunload = null;
|
||||
/* release all keys */
|
||||
key_pressed = this.key_pressed;
|
||||
for(i = 0; i < key_pressed.length; i++) {
|
||||
if (key_pressed[i]) {
|
||||
display_key_event(0, i);
|
||||
key_pressed[i] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
GraphicDisplay.prototype.mouseMoveHandler = function (ev)
|
||||
{
|
||||
var x, y, rect, buttons;
|
||||
rect = this.canvas_el.getBoundingClientRect();
|
||||
x = ev.clientX - rect.left;
|
||||
y = ev.clientY - rect.top;
|
||||
buttons = ev.buttons & 7;
|
||||
// console.log("mouse: x=" + x + " y=" + y + " buttons=" + buttons);
|
||||
display_mouse_event(x, y, buttons);
|
||||
if (ev.stopPropagation)
|
||||
ev.stopPropagation();
|
||||
if (ev.preventDefault)
|
||||
ev.preventDefault();
|
||||
return false;
|
||||
}
|
||||
|
||||
GraphicDisplay.prototype.wheelHandler = function (ev)
|
||||
{
|
||||
if (ev.deltaY < 0) {
|
||||
display_wheel_event(1);
|
||||
} else if (ev.deltaY > 0) {
|
||||
display_wheel_event(-1);
|
||||
}
|
||||
if (ev.stopPropagation)
|
||||
ev.stopPropagation();
|
||||
if (ev.preventDefault)
|
||||
ev.preventDefault();
|
||||
}
|
||||
|
||||
/* disable contextual menu */
|
||||
GraphicDisplay.prototype.onContextMenuHandler = function (ev)
|
||||
{
|
||||
if (ev.stopPropagation)
|
||||
ev.stopPropagation();
|
||||
if (ev.preventDefault)
|
||||
ev.preventDefault();
|
||||
return false;
|
||||
}
|
||||
|
||||
/* Network support */
|
||||
|
||||
function Ethernet(url)
|
||||
{
|
||||
try {
|
||||
this.socket = new WebSocket(url);
|
||||
} catch(err) {
|
||||
this.socket = null;
|
||||
console.log("Could not open websocket url=" + url);
|
||||
return;
|
||||
}
|
||||
this.socket.binaryType = 'arraybuffer';
|
||||
this.socket.onmessage = this.messageHandler.bind(this);
|
||||
this.socket.onclose = this.closeHandler.bind(this);
|
||||
this.socket.onopen = this.openHandler.bind(this);
|
||||
this.socket.onerror = this.errorHandler.bind(this);
|
||||
}
|
||||
|
||||
Ethernet.prototype.openHandler = function(e)
|
||||
{
|
||||
net_set_carrier(1);
|
||||
}
|
||||
|
||||
Ethernet.prototype.closeHandler = function(e)
|
||||
{
|
||||
net_set_carrier(0);
|
||||
}
|
||||
|
||||
Ethernet.prototype.errorHandler = function(e)
|
||||
{
|
||||
console.log("Websocket error=" + e);
|
||||
}
|
||||
|
||||
Ethernet.prototype.messageHandler = function(e)
|
||||
{
|
||||
var str, buf_len, buf_addr, buf;
|
||||
if (e.data instanceof ArrayBuffer) {
|
||||
buf_len = e.data.byteLength;
|
||||
buf = new Uint8Array(e.data);
|
||||
buf_addr = _malloc(buf_len);
|
||||
HEAPU8.set(buf, buf_addr);
|
||||
net_write_packet(buf_addr, buf_len);
|
||||
_free(buf_addr);
|
||||
} else {
|
||||
str = e.data.toString();
|
||||
if (str.substring(0, 5) == "ping:") {
|
||||
try {
|
||||
this.socket.send('pong:' + str.substring(5));
|
||||
} catch (err) {
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ethernet.prototype.recv_packet = function(buf)
|
||||
{
|
||||
if (this.socket) {
|
||||
try {
|
||||
this.socket.send(buf);
|
||||
} catch (err) {
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function start_vm(user, pwd)
|
||||
{
|
||||
var url, mem_size, cpu, params, vm_url, cmdline, cols, rows, guest_url;
|
||||
var font_size, graphic_enable, width, height, net_url, alloc_size;
|
||||
var drive_url, vm_file;
|
||||
|
||||
function loadScript(src, f) {
|
||||
var head = document.getElementsByTagName("head")[0];
|
||||
var script = document.createElement("script");
|
||||
script.src = src;
|
||||
var done = false;
|
||||
script.onload = script.onreadystatechange = function() {
|
||||
// attach to both events for cross browser finish detection:
|
||||
if ( !done && (!this.readyState ||
|
||||
this.readyState == "loaded" || this.readyState == "complete") ) {
|
||||
done = true;
|
||||
if (f) {
|
||||
f();
|
||||
}
|
||||
script.onload = script.onreadystatechange = null;
|
||||
head.removeChild(script);
|
||||
}
|
||||
};
|
||||
head.appendChild(script);
|
||||
}
|
||||
|
||||
function start()
|
||||
{
|
||||
/* C functions called from javascript */
|
||||
console_write1 = Module.cwrap('console_queue_char', null, ['number']);
|
||||
console_resize_event = Module.cwrap('console_resize_event', null, []);
|
||||
fs_import_file = Module.cwrap('fs_import_file', null, ['string', 'number', 'number']);
|
||||
display_key_event = Module.cwrap('display_key_event', null, ['number', 'number']);
|
||||
display_mouse_event = Module.cwrap('display_mouse_event', null, ['number', 'number', 'number']);
|
||||
display_wheel_event = Module.cwrap('display_wheel_event', null, ['number']);
|
||||
net_write_packet = Module.cwrap('net_write_packet', null, ['number', 'number']);
|
||||
net_set_carrier = Module.cwrap('net_set_carrier', null, ['number']);
|
||||
|
||||
net_state = null;
|
||||
if (net_url != "") {
|
||||
net_state = new Ethernet(net_url);
|
||||
}
|
||||
|
||||
Module.ccall("vm_start", null, ["string", "number", "string", "string", "number", "number", "number", "string"], [url, mem_size, cmdline, pwd, width, height, (net_state != null) | 0, drive_url]);
|
||||
pwd = null;
|
||||
}
|
||||
|
||||
function term_wrap_onclick_handler()
|
||||
{
|
||||
var term_wrap_el, w, h, term_bar_el, bar_h;
|
||||
term_wrap_el = document.getElementById("term_wrap");
|
||||
term_bar_el = document.getElementById("term_bar");
|
||||
w = term_wrap_el.clientWidth;
|
||||
h = term_wrap_el.clientHeight;
|
||||
bar_h = term_bar_el.clientHeight;
|
||||
if (term.resizePixel(w, h - bar_h)) {
|
||||
console_resize_event();
|
||||
}
|
||||
}
|
||||
|
||||
/* read the parameters */
|
||||
|
||||
params = get_params();
|
||||
cpu = params["cpu"] || "x86";
|
||||
url = params["url"];
|
||||
url = get_absolute_url(url);
|
||||
mem_size = (params["mem"] | 0) || 128; /* in mb */
|
||||
cmdline = params["cmdline"] || "";
|
||||
cols = (params["cols"] | 0) || 80;
|
||||
rows = (params["rows"] | 0) || 30;
|
||||
font_size = (params["font_size"] | 0) || 15;
|
||||
guest_url = params["guest_url"] || "";
|
||||
width = (params["w"] | 0) || 1024;
|
||||
height = (params["h"] | 0) || 640;
|
||||
graphic_enable = params["graphic"] | 0;
|
||||
net_url = params["net_url"]; /* empty string means no network */
|
||||
if (typeof net_url == "undefined")
|
||||
net_url = "wss://relay.widgetry.org/";
|
||||
drive_url = params["drive_url"] || "";
|
||||
|
||||
if (user) {
|
||||
cmdline += " LOGIN_USER=" + user;
|
||||
} else if (guest_url) {
|
||||
cmdline += " GUEST_URL=" + guest_url;
|
||||
}
|
||||
|
||||
if (graphic_enable) {
|
||||
graphic_display = new GraphicDisplay(document.getElementById("term_container"), width, height);
|
||||
} else {
|
||||
var term_wrap_el;
|
||||
width = 0;
|
||||
height = 0;
|
||||
|
||||
/* start the terminal */
|
||||
term = new Term({ cols: cols, rows: rows, scrollback: 10000, fontSize: font_size });
|
||||
term.setKeyHandler(term_handler);
|
||||
term.open(document.getElementById("term_container"),
|
||||
document.getElementById("term_paste"));
|
||||
|
||||
term_wrap_el = document.getElementById("term_wrap")
|
||||
term_wrap_el.style.width = term.term_el.style.width;
|
||||
term_wrap_el.onclick = term_wrap_onclick_handler;
|
||||
|
||||
term.write("Loading...\r\n");
|
||||
}
|
||||
|
||||
// console.log("cpu=" + cpu + " url=" + url + " mem=" + mem_size);
|
||||
|
||||
switch(cpu) {
|
||||
case "x86":
|
||||
vm_file = "x86emu";
|
||||
break;
|
||||
case "riscv64":
|
||||
case "riscv":
|
||||
vm_file = "riscvemu64";
|
||||
break;
|
||||
case "riscv32":
|
||||
vm_file = "riscvemu32";
|
||||
break;
|
||||
default:
|
||||
term.writeln("Unknown cpu=" + cpu);
|
||||
return;
|
||||
}
|
||||
|
||||
if (typeof WebAssembly === "object") {
|
||||
/* wasm support : the memory grows automatically */
|
||||
vm_url = vm_file + "-wasm.js";
|
||||
} else {
|
||||
/* set the total memory */
|
||||
alloc_size = mem_size;
|
||||
if (cpu == "x86")
|
||||
alloc_size += 16;
|
||||
if (graphic_enable) {
|
||||
/* frame buffer memory */
|
||||
alloc_size += (width * height * 4 + 1048576 - 1) >> 20;
|
||||
}
|
||||
alloc_size += 32; /* extra space (XXX: reduce it ?) */
|
||||
alloc_size = (alloc_size + 15) & -16; /* align to 16 MB */
|
||||
Module.TOTAL_MEMORY = alloc_size << 20;
|
||||
vm_url = vm_file + ".js";
|
||||
}
|
||||
Module.preRun = start;
|
||||
|
||||
loadScript(vm_url, null);
|
||||
}
|
||||
|
||||
function on_login()
|
||||
{
|
||||
var login_wrap_el = document.getElementById("wrap");
|
||||
var term_wrap_el = document.getElementById("term_wrap");
|
||||
var form = document.getElementById("form");
|
||||
var status = document.getElementById("status");
|
||||
var user = form.user.value;
|
||||
var pwd = form.password.value;
|
||||
|
||||
if (user.length <= 1) {
|
||||
status.innerHTML = "User name must be provided";
|
||||
return false;
|
||||
}
|
||||
|
||||
login_wrap_el.style.display = "none";
|
||||
term_wrap_el.style.display = "block";
|
||||
form.password.value = "";
|
||||
form.user.value = "";
|
||||
|
||||
start_vm(user, pwd);
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
(function() {
|
||||
var login, params;
|
||||
|
||||
params = get_params();
|
||||
login = params["login"] || 0;
|
||||
if (login) {
|
||||
var login_wrap_el = document.getElementById("wrap");
|
||||
login_wrap_el.style.display = "block";
|
||||
} else {
|
||||
var term_wrap_el = document.getElementById("term_wrap");
|
||||
term_wrap_el.style.display = "block";
|
||||
start_vm(null, null);
|
||||
}
|
||||
})();
|
||||
|
|
|
|||
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
Loading…
Reference in New Issue