6fcfafb742
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1032 c046a42c-6fe2-441c-8c8c-71466251a162
729 lines
19 KiB
C
729 lines
19 KiB
C
/*
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* QEMU graphical console
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*
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* Copyright (c) 2004 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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#include "vl.h"
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#define DEFAULT_BACKSCROLL 512
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#define MAX_CONSOLES 12
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#define RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
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#define RGB(r, g, b) RGBA(r, g, b, 0xff)
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typedef struct TextCell {
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uint8_t ch;
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uint8_t bgcol:4;
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uint8_t fgcol:4;
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} TextCell;
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#define MAX_ESC_PARAMS 3
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enum TTYState {
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TTY_STATE_NORM,
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TTY_STATE_ESC,
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TTY_STATE_CSI,
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};
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struct TextConsole {
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int text_console; /* true if text console */
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DisplayState *ds;
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int g_width, g_height;
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int width;
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int height;
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int total_height;
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int backscroll_height;
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int fgcol;
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int bgcol;
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int x, y;
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int y_displayed;
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int y_base;
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TextCell *cells;
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enum TTYState state;
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int esc_params[MAX_ESC_PARAMS];
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int nb_esc_params;
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/* kbd read handler */
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IOReadHandler *fd_read;
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void *fd_opaque;
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};
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static TextConsole *active_console;
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static TextConsole *consoles[MAX_CONSOLES];
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static int nb_consoles = 0;
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/* convert a RGBA color to a color index usable in graphic primitives */
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static unsigned int vga_get_color(DisplayState *ds, unsigned int rgba)
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{
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unsigned int r, g, b, color;
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switch(ds->depth) {
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#if 0
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case 8:
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r = (rgba >> 16) & 0xff;
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g = (rgba >> 8) & 0xff;
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b = (rgba) & 0xff;
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color = (rgb_to_index[r] * 6 * 6) +
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(rgb_to_index[g] * 6) +
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(rgb_to_index[b]);
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break;
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#endif
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case 15:
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r = (rgba >> 16) & 0xff;
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g = (rgba >> 8) & 0xff;
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b = (rgba) & 0xff;
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color = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
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break;
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case 16:
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r = (rgba >> 16) & 0xff;
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g = (rgba >> 8) & 0xff;
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b = (rgba) & 0xff;
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color = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
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break;
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case 32:
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default:
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color = rgba;
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break;
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}
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return color;
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}
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static void vga_fill_rect (DisplayState *ds,
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int posx, int posy, int width, int height, uint32_t color)
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{
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uint8_t *d, *d1;
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int x, y, bpp;
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bpp = (ds->depth + 7) >> 3;
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d1 = ds->data +
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ds->linesize * posy + bpp * posx;
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for (y = 0; y < height; y++) {
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d = d1;
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switch(bpp) {
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case 1:
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for (x = 0; x < width; x++) {
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*((uint8_t *)d) = color;
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d++;
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}
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break;
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case 2:
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for (x = 0; x < width; x++) {
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*((uint16_t *)d) = color;
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d += 2;
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}
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break;
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case 4:
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for (x = 0; x < width; x++) {
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*((uint32_t *)d) = color;
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d += 4;
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}
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break;
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}
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d1 += ds->linesize;
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}
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}
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/* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
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static void vga_bitblt(DisplayState *ds, int xs, int ys, int xd, int yd, int w, int h)
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{
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const uint8_t *s;
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uint8_t *d;
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int wb, y, bpp;
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bpp = (ds->depth + 7) >> 3;
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wb = w * bpp;
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if (yd <= ys) {
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s = ds->data +
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ds->linesize * ys + bpp * xs;
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d = ds->data +
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ds->linesize * yd + bpp * xd;
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for (y = 0; y < h; y++) {
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memmove(d, s, wb);
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d += ds->linesize;
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s += ds->linesize;
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}
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} else {
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s = ds->data +
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ds->linesize * (ys + h - 1) + bpp * xs;
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d = ds->data +
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ds->linesize * (yd + h - 1) + bpp * xd;
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for (y = 0; y < h; y++) {
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memmove(d, s, wb);
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d -= ds->linesize;
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s -= ds->linesize;
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}
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}
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}
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/***********************************************************/
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/* basic char display */
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#define FONT_HEIGHT 16
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#define FONT_WIDTH 8
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#include "vgafont.h"
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#define cbswap_32(__x) \
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((uint32_t)( \
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(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
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(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
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(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
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(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) ))
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#ifdef WORDS_BIGENDIAN
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#define PAT(x) x
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#else
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#define PAT(x) cbswap_32(x)
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#endif
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static const uint32_t dmask16[16] = {
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PAT(0x00000000),
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PAT(0x000000ff),
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PAT(0x0000ff00),
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PAT(0x0000ffff),
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PAT(0x00ff0000),
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PAT(0x00ff00ff),
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PAT(0x00ffff00),
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PAT(0x00ffffff),
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PAT(0xff000000),
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PAT(0xff0000ff),
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PAT(0xff00ff00),
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PAT(0xff00ffff),
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PAT(0xffff0000),
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PAT(0xffff00ff),
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PAT(0xffffff00),
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PAT(0xffffffff),
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};
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static const uint32_t dmask4[4] = {
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PAT(0x00000000),
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PAT(0x0000ffff),
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PAT(0xffff0000),
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PAT(0xffffffff),
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};
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static uint32_t color_table[8];
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static const uint32_t color_table_rgb[8] = {
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RGB(0x00, 0x00, 0x00),
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RGB(0xff, 0x00, 0x00),
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RGB(0x00, 0xff, 0x00),
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RGB(0xff, 0xff, 0x00),
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RGB(0x00, 0x00, 0xff),
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RGB(0xff, 0x00, 0xff),
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RGB(0x00, 0xff, 0xff),
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RGB(0xff, 0xff, 0xff),
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};
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static inline unsigned int col_expand(DisplayState *ds, unsigned int col)
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{
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switch(ds->depth) {
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case 8:
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col |= col << 8;
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col |= col << 16;
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break;
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case 15:
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case 16:
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col |= col << 16;
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break;
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default:
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break;
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}
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return col;
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}
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static void vga_putcharxy(DisplayState *ds, int x, int y, int ch,
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unsigned int fgcol, unsigned int bgcol)
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{
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uint8_t *d;
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const uint8_t *font_ptr;
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unsigned int font_data, linesize, xorcol, bpp;
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int i;
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bpp = (ds->depth + 7) >> 3;
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d = ds->data +
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ds->linesize * y * FONT_HEIGHT + bpp * x * FONT_WIDTH;
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linesize = ds->linesize;
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font_ptr = vgafont16 + FONT_HEIGHT * ch;
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xorcol = bgcol ^ fgcol;
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switch(ds->depth) {
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case 8:
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for(i = 0; i < FONT_HEIGHT; i++) {
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font_data = *font_ptr++;
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((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol;
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((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol;
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d += linesize;
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}
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break;
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case 16:
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case 15:
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for(i = 0; i < FONT_HEIGHT; i++) {
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font_data = *font_ptr++;
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((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol;
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((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol;
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((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol;
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((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol;
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d += linesize;
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}
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break;
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case 32:
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for(i = 0; i < FONT_HEIGHT; i++) {
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font_data = *font_ptr++;
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((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol;
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((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol;
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((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol;
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((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol;
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((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol;
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((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol;
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((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol;
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((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol;
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d += linesize;
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}
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break;
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}
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}
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static void text_console_resize(TextConsole *s)
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{
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TextCell *cells, *c, *c1;
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int w1, x, y, last_width;
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last_width = s->width;
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s->width = s->g_width / FONT_WIDTH;
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s->height = s->g_height / FONT_HEIGHT;
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w1 = last_width;
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if (s->width < w1)
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w1 = s->width;
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cells = qemu_malloc(s->width * s->total_height * sizeof(TextCell));
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for(y = 0; y < s->total_height; y++) {
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c = &cells[y * s->width];
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if (w1 > 0) {
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c1 = &s->cells[y * last_width];
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for(x = 0; x < w1; x++) {
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*c++ = *c1++;
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}
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}
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for(x = w1; x < s->width; x++) {
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c->ch = ' ';
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c->fgcol = 7;
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c->bgcol = 0;
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c++;
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}
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}
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free(s->cells);
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s->cells = cells;
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}
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static void update_xy(TextConsole *s, int x, int y)
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{
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TextCell *c;
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int y1, y2;
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if (s == active_console) {
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y1 = (s->y_base + y) % s->total_height;
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y2 = y1 - s->y_displayed;
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if (y2 < 0)
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y2 += s->total_height;
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if (y2 < s->height) {
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c = &s->cells[y1 * s->width + x];
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vga_putcharxy(s->ds, x, y2, c->ch,
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color_table[c->fgcol], color_table[c->bgcol]);
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dpy_update(s->ds, x * FONT_WIDTH, y2 * FONT_HEIGHT,
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FONT_WIDTH, FONT_HEIGHT);
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}
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}
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}
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static void console_show_cursor(TextConsole *s, int show)
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{
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TextCell *c;
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int y, y1;
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if (s == active_console) {
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y1 = (s->y_base + s->y) % s->total_height;
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y = y1 - s->y_displayed;
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if (y < 0)
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y += s->total_height;
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if (y < s->height) {
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c = &s->cells[y1 * s->width + s->x];
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if (show) {
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vga_putcharxy(s->ds, s->x, y, c->ch,
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color_table[0], color_table[7]);
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} else {
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vga_putcharxy(s->ds, s->x, y, c->ch,
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color_table[c->fgcol], color_table[c->bgcol]);
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}
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dpy_update(s->ds, s->x * FONT_WIDTH, y * FONT_HEIGHT,
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FONT_WIDTH, FONT_HEIGHT);
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}
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}
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}
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static void console_refresh(TextConsole *s)
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{
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TextCell *c;
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int x, y, y1;
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if (s != active_console)
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return;
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vga_fill_rect(s->ds, 0, 0, s->ds->width, s->ds->height,
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color_table[0]);
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y1 = s->y_displayed;
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for(y = 0; y < s->height; y++) {
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c = s->cells + y1 * s->width;
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for(x = 0; x < s->width; x++) {
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vga_putcharxy(s->ds, x, y, c->ch,
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color_table[c->fgcol], color_table[c->bgcol]);
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c++;
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}
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if (++y1 == s->total_height)
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y1 = 0;
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}
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dpy_update(s->ds, 0, 0, s->ds->width, s->ds->height);
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console_show_cursor(s, 1);
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}
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static void console_scroll(int ydelta)
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{
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TextConsole *s;
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int i, y1;
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s = active_console;
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if (!s || !s->text_console)
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return;
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if (ydelta > 0) {
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for(i = 0; i < ydelta; i++) {
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if (s->y_displayed == s->y_base)
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break;
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if (++s->y_displayed == s->total_height)
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s->y_displayed = 0;
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}
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} else {
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ydelta = -ydelta;
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i = s->backscroll_height;
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if (i > s->total_height - s->height)
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i = s->total_height - s->height;
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y1 = s->y_base - i;
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if (y1 < 0)
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y1 += s->total_height;
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for(i = 0; i < ydelta; i++) {
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if (s->y_displayed == y1)
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break;
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if (--s->y_displayed < 0)
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s->y_displayed = s->total_height - 1;
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}
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}
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console_refresh(s);
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}
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static void console_put_lf(TextConsole *s)
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{
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TextCell *c;
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int x, y1;
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s->x = 0;
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s->y++;
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if (s->y >= s->height) {
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s->y = s->height - 1;
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if (s->y_displayed == s->y_base) {
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if (++s->y_displayed == s->total_height)
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s->y_displayed = 0;
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}
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if (++s->y_base == s->total_height)
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s->y_base = 0;
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if (s->backscroll_height < s->total_height)
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s->backscroll_height++;
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y1 = (s->y_base + s->height - 1) % s->total_height;
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c = &s->cells[y1 * s->width];
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for(x = 0; x < s->width; x++) {
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c->ch = ' ';
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c->fgcol = s->fgcol;
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c->bgcol = s->bgcol;
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c++;
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}
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if (s == active_console && s->y_displayed == s->y_base) {
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vga_bitblt(s->ds, 0, FONT_HEIGHT, 0, 0,
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s->width * FONT_WIDTH,
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(s->height - 1) * FONT_HEIGHT);
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vga_fill_rect(s->ds, 0, (s->height - 1) * FONT_HEIGHT,
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s->width * FONT_WIDTH, FONT_HEIGHT,
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color_table[s->bgcol]);
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dpy_update(s->ds, 0, 0,
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s->width * FONT_WIDTH, s->height * FONT_HEIGHT);
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}
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}
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}
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static void console_putchar(TextConsole *s, int ch)
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{
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TextCell *c;
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int y1, i, x;
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switch(s->state) {
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case TTY_STATE_NORM:
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switch(ch) {
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case '\r':
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s->x = 0;
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break;
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case '\n':
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console_put_lf(s);
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break;
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case 27:
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s->state = TTY_STATE_ESC;
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break;
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default:
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|
y1 = (s->y_base + s->y) % s->total_height;
|
|
c = &s->cells[y1 * s->width + s->x];
|
|
c->ch = ch;
|
|
c->fgcol = s->fgcol;
|
|
c->bgcol = s->bgcol;
|
|
update_xy(s, s->x, s->y);
|
|
s->x++;
|
|
if (s->x >= s->width)
|
|
console_put_lf(s);
|
|
break;
|
|
}
|
|
break;
|
|
case TTY_STATE_ESC:
|
|
if (ch == '[') {
|
|
for(i=0;i<MAX_ESC_PARAMS;i++)
|
|
s->esc_params[i] = 0;
|
|
s->nb_esc_params = 0;
|
|
s->state = TTY_STATE_CSI;
|
|
} else {
|
|
s->state = TTY_STATE_NORM;
|
|
}
|
|
break;
|
|
case TTY_STATE_CSI:
|
|
if (ch >= '0' && ch <= '9') {
|
|
if (s->nb_esc_params < MAX_ESC_PARAMS) {
|
|
s->esc_params[s->nb_esc_params] =
|
|
s->esc_params[s->nb_esc_params] * 10 + ch - '0';
|
|
}
|
|
} else {
|
|
s->nb_esc_params++;
|
|
if (ch == ';')
|
|
break;
|
|
s->state = TTY_STATE_NORM;
|
|
switch(ch) {
|
|
case 'D':
|
|
if (s->x > 0)
|
|
s->x--;
|
|
break;
|
|
case 'C':
|
|
if (s->x < (s->width - 1))
|
|
s->x++;
|
|
break;
|
|
case 'K':
|
|
/* clear to eol */
|
|
y1 = (s->y_base + s->y) % s->total_height;
|
|
for(x = s->x; x < s->width; x++) {
|
|
c = &s->cells[y1 * s->width + x];
|
|
c->ch = ' ';
|
|
c->fgcol = s->fgcol;
|
|
c->bgcol = s->bgcol;
|
|
c++;
|
|
update_xy(s, x, s->y);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void console_select(unsigned int index)
|
|
{
|
|
TextConsole *s;
|
|
|
|
if (index >= MAX_CONSOLES)
|
|
return;
|
|
s = consoles[index];
|
|
if (s) {
|
|
active_console = s;
|
|
if (s->text_console) {
|
|
if (s->g_width != s->ds->width ||
|
|
s->g_height != s->ds->height)
|
|
text_console_resize(s);
|
|
console_refresh(s);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
|
|
{
|
|
TextConsole *s = chr->opaque;
|
|
int i;
|
|
|
|
console_show_cursor(s, 0);
|
|
for(i = 0; i < len; i++) {
|
|
console_putchar(s, buf[i]);
|
|
}
|
|
console_show_cursor(s, 1);
|
|
return len;
|
|
}
|
|
|
|
static void console_chr_add_read_handler(CharDriverState *chr,
|
|
IOCanRWHandler *fd_can_read,
|
|
IOReadHandler *fd_read, void *opaque)
|
|
{
|
|
TextConsole *s = chr->opaque;
|
|
s->fd_read = fd_read;
|
|
s->fd_opaque = opaque;
|
|
}
|
|
|
|
static void console_send_event(CharDriverState *chr, int event)
|
|
{
|
|
TextConsole *s = chr->opaque;
|
|
int i;
|
|
|
|
if (event == CHR_EVENT_FOCUS) {
|
|
for(i = 0; i < nb_consoles; i++) {
|
|
if (consoles[i] == s) {
|
|
console_select(i);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* called when an ascii key is pressed */
|
|
void kbd_put_keysym(int keysym)
|
|
{
|
|
TextConsole *s;
|
|
uint8_t buf[16], *q;
|
|
int c;
|
|
|
|
s = active_console;
|
|
if (!s || !s->text_console)
|
|
return;
|
|
|
|
switch(keysym) {
|
|
case QEMU_KEY_CTRL_UP:
|
|
console_scroll(-1);
|
|
break;
|
|
case QEMU_KEY_CTRL_DOWN:
|
|
console_scroll(1);
|
|
break;
|
|
case QEMU_KEY_CTRL_PAGEUP:
|
|
console_scroll(-10);
|
|
break;
|
|
case QEMU_KEY_CTRL_PAGEDOWN:
|
|
console_scroll(10);
|
|
break;
|
|
default:
|
|
if (s->fd_read) {
|
|
/* convert the QEMU keysym to VT100 key string */
|
|
q = buf;
|
|
if (keysym >= 0xe100 && keysym <= 0xe11f) {
|
|
*q++ = '\033';
|
|
*q++ = '[';
|
|
c = keysym - 0xe100;
|
|
if (c >= 10)
|
|
*q++ = '0' + (c / 10);
|
|
*q++ = '0' + (c % 10);
|
|
*q++ = '~';
|
|
} else if (keysym >= 0xe120 && keysym <= 0xe17f) {
|
|
*q++ = '\033';
|
|
*q++ = '[';
|
|
*q++ = keysym & 0xff;
|
|
} else {
|
|
*q++ = keysym;
|
|
}
|
|
s->fd_read(s->fd_opaque, buf, q - buf);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
TextConsole *graphic_console_init(DisplayState *ds)
|
|
{
|
|
TextConsole *s;
|
|
|
|
if (nb_consoles >= MAX_CONSOLES)
|
|
return NULL;
|
|
s = qemu_mallocz(sizeof(TextConsole));
|
|
if (!s) {
|
|
return NULL;
|
|
}
|
|
if (!active_console)
|
|
active_console = s;
|
|
s->ds = ds;
|
|
consoles[nb_consoles++] = s;
|
|
return s;
|
|
}
|
|
|
|
int is_active_console(TextConsole *s)
|
|
{
|
|
return s == active_console;
|
|
}
|
|
|
|
CharDriverState *text_console_init(DisplayState *ds)
|
|
{
|
|
CharDriverState *chr;
|
|
TextConsole *s;
|
|
int i;
|
|
static int color_inited;
|
|
|
|
chr = qemu_mallocz(sizeof(CharDriverState));
|
|
if (!chr)
|
|
return NULL;
|
|
s = graphic_console_init(ds);
|
|
if (!s) {
|
|
free(chr);
|
|
return NULL;
|
|
}
|
|
s->text_console = 1;
|
|
chr->opaque = s;
|
|
chr->chr_write = console_puts;
|
|
chr->chr_add_read_handler = console_chr_add_read_handler;
|
|
chr->chr_send_event = console_send_event;
|
|
|
|
if (!color_inited) {
|
|
color_inited = 1;
|
|
for(i = 0; i < 8; i++) {
|
|
color_table[i] = col_expand(s->ds,
|
|
vga_get_color(s->ds, color_table_rgb[i]));
|
|
}
|
|
}
|
|
s->y_displayed = 0;
|
|
s->y_base = 0;
|
|
s->total_height = DEFAULT_BACKSCROLL;
|
|
s->x = 0;
|
|
s->y = 0;
|
|
s->fgcol = 7;
|
|
s->bgcol = 0;
|
|
s->g_width = s->ds->width;
|
|
s->g_height = s->ds->height;
|
|
text_console_resize(s);
|
|
|
|
return chr;
|
|
}
|