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/*
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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 DEBUG_CONSOLE
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#define DEFAULT_BACKSCROLL 512 |
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#define MAX_CONSOLES 12 |
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#define QEMU_RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b)) |
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#define QEMU_RGB(r, g, b) QEMU_RGBA(r, g, b, 0xff) |
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typedef struct TextAttributes { |
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uint8_t fgcol:4;
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uint8_t bgcol:4;
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uint8_t bold:1;
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uint8_t uline:1;
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uint8_t blink:1;
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uint8_t invers:1;
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uint8_t unvisible:1;
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} TextAttributes; |
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typedef struct TextCell { |
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uint8_t ch; |
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TextAttributes t_attrib; |
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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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typedef struct QEMUFIFO { |
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uint8_t *buf; |
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int buf_size;
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int count, wptr, rptr;
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} QEMUFIFO; |
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int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1) |
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{ |
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int l, len;
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l = f->buf_size - f->count; |
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if (len1 > l)
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len1 = l; |
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len = len1; |
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while (len > 0) { |
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l = f->buf_size - f->wptr; |
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if (l > len)
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l = len; |
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memcpy(f->buf + f->wptr, buf, l); |
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f->wptr += l; |
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if (f->wptr >= f->buf_size)
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f->wptr = 0;
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buf += l; |
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len -= l; |
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} |
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f->count += len1; |
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return len1;
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} |
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int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1) |
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{ |
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int l, len;
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if (len1 > f->count)
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len1 = f->count; |
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len = len1; |
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while (len > 0) { |
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l = f->buf_size - f->rptr; |
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if (l > len)
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l = len; |
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memcpy(buf, f->buf + f->rptr, l); |
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f->rptr += l; |
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if (f->rptr >= f->buf_size)
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f->rptr = 0;
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buf += l; |
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len -= l; |
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} |
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f->count -= len1; |
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return len1;
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} |
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/* ??? This is mis-named.
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It is used for both text and graphical consoles. */
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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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/* Graphic console state. */
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vga_hw_update_ptr hw_update; |
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vga_hw_invalidate_ptr hw_invalidate; |
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vga_hw_screen_dump_ptr hw_screen_dump; |
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void *hw;
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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 x, y;
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int x_saved, y_saved;
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int y_displayed;
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int y_base;
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TextAttributes t_attrib_default; /* default text attributes */
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TextAttributes t_attrib; /* currently active text attributes */
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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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CharDriverState *chr; |
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/* fifo for key pressed */
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QEMUFIFO out_fifo; |
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uint8_t out_fifo_buf[16];
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QEMUTimer *kbd_timer; |
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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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void vga_hw_update(void) |
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{ |
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if (active_console && active_console->hw_update)
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active_console->hw_update(active_console->hw); |
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} |
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void vga_hw_invalidate(void) |
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{ |
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if (active_console->hw_invalidate)
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active_console->hw_invalidate(active_console->hw); |
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} |
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void vga_hw_screen_dump(const char *filename) |
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{ |
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/* There is currently no was of specifying which screen we want to dump,
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so always dump the dirst one. */
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if (consoles[0]->hw_screen_dump) |
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consoles[0]->hw_screen_dump(consoles[0]->hw, filename); |
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} |
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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[2][8]; |
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enum color_names {
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COLOR_BLACK = 0,
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COLOR_RED = 1,
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COLOR_GREEN = 2,
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COLOR_YELLOW = 3,
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COLOR_BLUE = 4,
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COLOR_MAGENTA = 5,
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COLOR_CYAN = 6,
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COLOR_WHITE = 7
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}; |
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static const uint32_t color_table_rgb[2][8] = { |
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{ /* dark */
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QEMU_RGB(0x00, 0x00, 0x00), /* black */ |
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QEMU_RGB(0xaa, 0x00, 0x00), /* red */ |
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QEMU_RGB(0x00, 0xaa, 0x00), /* green */ |
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QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */ |
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QEMU_RGB(0x00, 0x00, 0xaa), /* blue */ |
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QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */ |
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QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */ |
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QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */ |
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}, |
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{ /* bright */
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QEMU_RGB(0x00, 0x00, 0x00), /* black */ |
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QEMU_RGB(0xff, 0x00, 0x00), /* red */ |
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QEMU_RGB(0x00, 0xff, 0x00), /* green */ |
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QEMU_RGB(0xff, 0xff, 0x00), /* yellow */ |
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QEMU_RGB(0x00, 0x00, 0xff), /* blue */ |
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QEMU_RGB(0xff, 0x00, 0xff), /* magenta */ |
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QEMU_RGB(0x00, 0xff, 0xff), /* cyan */ |
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QEMU_RGB(0xff, 0xff, 0xff), /* white */ |
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} |
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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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#ifdef DEBUG_CONSOLE
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static void console_print_text_attributes(TextAttributes *t_attrib, char ch) |
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{ |
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if (t_attrib->bold) {
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printf("b");
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} else {
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printf(" ");
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} |
377 |
if (t_attrib->uline) {
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printf("u");
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} else {
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printf(" ");
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} |
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if (t_attrib->blink) {
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printf("l");
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} else {
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printf(" ");
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} |
387 |
if (t_attrib->invers) {
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printf("i");
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} else {
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printf(" ");
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} |
392 |
if (t_attrib->unvisible) {
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printf("n");
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} else {
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printf(" ");
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} |
397 |
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printf(" fg: %d bg: %d ch:'%2X' '%c'\n", t_attrib->fgcol, t_attrib->bgcol, ch, ch);
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} |
400 |
#endif
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|
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static void vga_putcharxy(DisplayState *ds, int x, int y, int ch, |
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TextAttributes *t_attrib) |
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{ |
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uint8_t *d; |
406 |
const uint8_t *font_ptr;
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unsigned int font_data, linesize, xorcol, bpp; |
408 |
int i;
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409 |
unsigned int fgcol, bgcol; |
410 |
|
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#ifdef DEBUG_CONSOLE
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printf("x: %2i y: %2i", x, y);
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console_print_text_attributes(t_attrib, ch); |
414 |
#endif
|
415 |
|
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if (t_attrib->invers) {
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bgcol = color_table[t_attrib->bold][t_attrib->fgcol]; |
418 |
fgcol = color_table[t_attrib->bold][t_attrib->bgcol]; |
419 |
} else {
|
420 |
fgcol = color_table[t_attrib->bold][t_attrib->fgcol]; |
421 |
bgcol = color_table[t_attrib->bold][t_attrib->bgcol]; |
422 |
} |
423 |
|
424 |
bpp = (ds->depth + 7) >> 3; |
425 |
d = ds->data + |
426 |
ds->linesize * y * FONT_HEIGHT + bpp * x * FONT_WIDTH; |
427 |
linesize = ds->linesize; |
428 |
font_ptr = vgafont16 + FONT_HEIGHT * ch; |
429 |
xorcol = bgcol ^ fgcol; |
430 |
switch(ds->depth) {
|
431 |
case 8: |
432 |
for(i = 0; i < FONT_HEIGHT; i++) { |
433 |
font_data = *font_ptr++; |
434 |
if (t_attrib->uline
|
435 |
&& ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) { |
436 |
font_data = 0xFFFF;
|
437 |
} |
438 |
((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol; |
439 |
((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol; |
440 |
d += linesize; |
441 |
} |
442 |
break;
|
443 |
case 16: |
444 |
case 15: |
445 |
for(i = 0; i < FONT_HEIGHT; i++) { |
446 |
font_data = *font_ptr++; |
447 |
if (t_attrib->uline
|
448 |
&& ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) { |
449 |
font_data = 0xFFFF;
|
450 |
} |
451 |
((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol; |
452 |
((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol; |
453 |
((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol; |
454 |
((uint32_t *)d)[3] = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol; |
455 |
d += linesize; |
456 |
} |
457 |
break;
|
458 |
case 32: |
459 |
for(i = 0; i < FONT_HEIGHT; i++) { |
460 |
font_data = *font_ptr++; |
461 |
if (t_attrib->uline && ((i == FONT_HEIGHT - 2) || (i == FONT_HEIGHT - 3))) { |
462 |
font_data = 0xFFFF;
|
463 |
} |
464 |
((uint32_t *)d)[0] = (-((font_data >> 7)) & xorcol) ^ bgcol; |
465 |
((uint32_t *)d)[1] = (-((font_data >> 6) & 1) & xorcol) ^ bgcol; |
466 |
((uint32_t *)d)[2] = (-((font_data >> 5) & 1) & xorcol) ^ bgcol; |
467 |
((uint32_t *)d)[3] = (-((font_data >> 4) & 1) & xorcol) ^ bgcol; |
468 |
((uint32_t *)d)[4] = (-((font_data >> 3) & 1) & xorcol) ^ bgcol; |
469 |
((uint32_t *)d)[5] = (-((font_data >> 2) & 1) & xorcol) ^ bgcol; |
470 |
((uint32_t *)d)[6] = (-((font_data >> 1) & 1) & xorcol) ^ bgcol; |
471 |
((uint32_t *)d)[7] = (-((font_data >> 0) & 1) & xorcol) ^ bgcol; |
472 |
d += linesize; |
473 |
} |
474 |
break;
|
475 |
} |
476 |
} |
477 |
|
478 |
static void text_console_resize(TextConsole *s) |
479 |
{ |
480 |
TextCell *cells, *c, *c1; |
481 |
int w1, x, y, last_width;
|
482 |
|
483 |
last_width = s->width; |
484 |
s->width = s->g_width / FONT_WIDTH; |
485 |
s->height = s->g_height / FONT_HEIGHT; |
486 |
|
487 |
w1 = last_width; |
488 |
if (s->width < w1)
|
489 |
w1 = s->width; |
490 |
|
491 |
cells = qemu_malloc(s->width * s->total_height * sizeof(TextCell));
|
492 |
for(y = 0; y < s->total_height; y++) { |
493 |
c = &cells[y * s->width]; |
494 |
if (w1 > 0) { |
495 |
c1 = &s->cells[y * last_width]; |
496 |
for(x = 0; x < w1; x++) { |
497 |
*c++ = *c1++; |
498 |
} |
499 |
} |
500 |
for(x = w1; x < s->width; x++) {
|
501 |
c->ch = ' ';
|
502 |
c->t_attrib = s->t_attrib_default; |
503 |
c++; |
504 |
} |
505 |
} |
506 |
free(s->cells); |
507 |
s->cells = cells; |
508 |
} |
509 |
|
510 |
static void update_xy(TextConsole *s, int x, int y) |
511 |
{ |
512 |
TextCell *c; |
513 |
int y1, y2;
|
514 |
|
515 |
if (s == active_console) {
|
516 |
y1 = (s->y_base + y) % s->total_height; |
517 |
y2 = y1 - s->y_displayed; |
518 |
if (y2 < 0) |
519 |
y2 += s->total_height; |
520 |
if (y2 < s->height) {
|
521 |
c = &s->cells[y1 * s->width + x]; |
522 |
vga_putcharxy(s->ds, x, y2, c->ch, |
523 |
&(c->t_attrib)); |
524 |
dpy_update(s->ds, x * FONT_WIDTH, y2 * FONT_HEIGHT, |
525 |
FONT_WIDTH, FONT_HEIGHT); |
526 |
} |
527 |
} |
528 |
} |
529 |
|
530 |
static void console_show_cursor(TextConsole *s, int show) |
531 |
{ |
532 |
TextCell *c; |
533 |
int y, y1;
|
534 |
|
535 |
if (s == active_console) {
|
536 |
y1 = (s->y_base + s->y) % s->total_height; |
537 |
y = y1 - s->y_displayed; |
538 |
if (y < 0) |
539 |
y += s->total_height; |
540 |
if (y < s->height) {
|
541 |
c = &s->cells[y1 * s->width + s->x]; |
542 |
if (show) {
|
543 |
TextAttributes t_attrib = s->t_attrib_default; |
544 |
t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
|
545 |
vga_putcharxy(s->ds, s->x, y, c->ch, &t_attrib); |
546 |
} else {
|
547 |
vga_putcharxy(s->ds, s->x, y, c->ch, |
548 |
&(c->t_attrib)); |
549 |
} |
550 |
dpy_update(s->ds, s->x * FONT_WIDTH, y * FONT_HEIGHT, |
551 |
FONT_WIDTH, FONT_HEIGHT); |
552 |
} |
553 |
} |
554 |
} |
555 |
|
556 |
static void console_refresh(TextConsole *s) |
557 |
{ |
558 |
TextCell *c; |
559 |
int x, y, y1;
|
560 |
|
561 |
if (s != active_console)
|
562 |
return;
|
563 |
|
564 |
vga_fill_rect(s->ds, 0, 0, s->ds->width, s->ds->height, |
565 |
color_table[0][COLOR_BLACK]);
|
566 |
y1 = s->y_displayed; |
567 |
for(y = 0; y < s->height; y++) { |
568 |
c = s->cells + y1 * s->width; |
569 |
for(x = 0; x < s->width; x++) { |
570 |
vga_putcharxy(s->ds, x, y, c->ch, |
571 |
&(c->t_attrib)); |
572 |
c++; |
573 |
} |
574 |
if (++y1 == s->total_height)
|
575 |
y1 = 0;
|
576 |
} |
577 |
dpy_update(s->ds, 0, 0, s->ds->width, s->ds->height); |
578 |
console_show_cursor(s, 1);
|
579 |
} |
580 |
|
581 |
static void console_scroll(int ydelta) |
582 |
{ |
583 |
TextConsole *s; |
584 |
int i, y1;
|
585 |
|
586 |
s = active_console; |
587 |
if (!s || !s->text_console)
|
588 |
return;
|
589 |
|
590 |
if (ydelta > 0) { |
591 |
for(i = 0; i < ydelta; i++) { |
592 |
if (s->y_displayed == s->y_base)
|
593 |
break;
|
594 |
if (++s->y_displayed == s->total_height)
|
595 |
s->y_displayed = 0;
|
596 |
} |
597 |
} else {
|
598 |
ydelta = -ydelta; |
599 |
i = s->backscroll_height; |
600 |
if (i > s->total_height - s->height)
|
601 |
i = s->total_height - s->height; |
602 |
y1 = s->y_base - i; |
603 |
if (y1 < 0) |
604 |
y1 += s->total_height; |
605 |
for(i = 0; i < ydelta; i++) { |
606 |
if (s->y_displayed == y1)
|
607 |
break;
|
608 |
if (--s->y_displayed < 0) |
609 |
s->y_displayed = s->total_height - 1;
|
610 |
} |
611 |
} |
612 |
console_refresh(s); |
613 |
} |
614 |
|
615 |
static void console_put_lf(TextConsole *s) |
616 |
{ |
617 |
TextCell *c; |
618 |
int x, y1;
|
619 |
|
620 |
s->y++; |
621 |
if (s->y >= s->height) {
|
622 |
s->y = s->height - 1;
|
623 |
|
624 |
if (s->y_displayed == s->y_base) {
|
625 |
if (++s->y_displayed == s->total_height)
|
626 |
s->y_displayed = 0;
|
627 |
} |
628 |
if (++s->y_base == s->total_height)
|
629 |
s->y_base = 0;
|
630 |
if (s->backscroll_height < s->total_height)
|
631 |
s->backscroll_height++; |
632 |
y1 = (s->y_base + s->height - 1) % s->total_height;
|
633 |
c = &s->cells[y1 * s->width]; |
634 |
for(x = 0; x < s->width; x++) { |
635 |
c->ch = ' ';
|
636 |
c->t_attrib = s->t_attrib_default; |
637 |
c++; |
638 |
} |
639 |
if (s == active_console && s->y_displayed == s->y_base) {
|
640 |
vga_bitblt(s->ds, 0, FONT_HEIGHT, 0, 0, |
641 |
s->width * FONT_WIDTH, |
642 |
(s->height - 1) * FONT_HEIGHT);
|
643 |
vga_fill_rect(s->ds, 0, (s->height - 1) * FONT_HEIGHT, |
644 |
s->width * FONT_WIDTH, FONT_HEIGHT, |
645 |
color_table[0][s->t_attrib_default.bgcol]);
|
646 |
dpy_update(s->ds, 0, 0, |
647 |
s->width * FONT_WIDTH, s->height * FONT_HEIGHT); |
648 |
} |
649 |
} |
650 |
} |
651 |
|
652 |
/* Set console attributes depending on the current escape codes.
|
653 |
* NOTE: I know this code is not very efficient (checking every color for it
|
654 |
* self) but it is more readable and better maintainable.
|
655 |
*/
|
656 |
static void console_handle_escape(TextConsole *s) |
657 |
{ |
658 |
int i;
|
659 |
|
660 |
for (i=0; i<s->nb_esc_params; i++) { |
661 |
switch (s->esc_params[i]) {
|
662 |
case 0: /* reset all console attributes to default */ |
663 |
s->t_attrib = s->t_attrib_default; |
664 |
break;
|
665 |
case 1: |
666 |
s->t_attrib.bold = 1;
|
667 |
break;
|
668 |
case 4: |
669 |
s->t_attrib.uline = 1;
|
670 |
break;
|
671 |
case 5: |
672 |
s->t_attrib.blink = 1;
|
673 |
break;
|
674 |
case 7: |
675 |
s->t_attrib.invers = 1;
|
676 |
break;
|
677 |
case 8: |
678 |
s->t_attrib.unvisible = 1;
|
679 |
break;
|
680 |
case 22: |
681 |
s->t_attrib.bold = 0;
|
682 |
break;
|
683 |
case 24: |
684 |
s->t_attrib.uline = 0;
|
685 |
break;
|
686 |
case 25: |
687 |
s->t_attrib.blink = 0;
|
688 |
break;
|
689 |
case 27: |
690 |
s->t_attrib.invers = 0;
|
691 |
break;
|
692 |
case 28: |
693 |
s->t_attrib.unvisible = 0;
|
694 |
break;
|
695 |
/* set foreground color */
|
696 |
case 30: |
697 |
s->t_attrib.fgcol=COLOR_BLACK; |
698 |
break;
|
699 |
case 31: |
700 |
s->t_attrib.fgcol=COLOR_RED; |
701 |
break;
|
702 |
case 32: |
703 |
s->t_attrib.fgcol=COLOR_GREEN; |
704 |
break;
|
705 |
case 33: |
706 |
s->t_attrib.fgcol=COLOR_YELLOW; |
707 |
break;
|
708 |
case 34: |
709 |
s->t_attrib.fgcol=COLOR_BLUE; |
710 |
break;
|
711 |
case 35: |
712 |
s->t_attrib.fgcol=COLOR_MAGENTA; |
713 |
break;
|
714 |
case 36: |
715 |
s->t_attrib.fgcol=COLOR_CYAN; |
716 |
break;
|
717 |
case 37: |
718 |
s->t_attrib.fgcol=COLOR_WHITE; |
719 |
break;
|
720 |
/* set background color */
|
721 |
case 40: |
722 |
s->t_attrib.bgcol=COLOR_BLACK; |
723 |
break;
|
724 |
case 41: |
725 |
s->t_attrib.bgcol=COLOR_RED; |
726 |
break;
|
727 |
case 42: |
728 |
s->t_attrib.bgcol=COLOR_GREEN; |
729 |
break;
|
730 |
case 43: |
731 |
s->t_attrib.bgcol=COLOR_YELLOW; |
732 |
break;
|
733 |
case 44: |
734 |
s->t_attrib.bgcol=COLOR_BLUE; |
735 |
break;
|
736 |
case 45: |
737 |
s->t_attrib.bgcol=COLOR_MAGENTA; |
738 |
break;
|
739 |
case 46: |
740 |
s->t_attrib.bgcol=COLOR_CYAN; |
741 |
break;
|
742 |
case 47: |
743 |
s->t_attrib.bgcol=COLOR_WHITE; |
744 |
break;
|
745 |
} |
746 |
} |
747 |
} |
748 |
|
749 |
static void console_clear_xy(TextConsole *s, int x, int y) |
750 |
{ |
751 |
int y1 = (s->y_base + y) % s->total_height;
|
752 |
TextCell *c = &s->cells[y1 * s->width + x]; |
753 |
c->ch = ' ';
|
754 |
c->t_attrib = s->t_attrib_default; |
755 |
c++; |
756 |
update_xy(s, x, y); |
757 |
} |
758 |
|
759 |
static void console_putchar(TextConsole *s, int ch) |
760 |
{ |
761 |
TextCell *c; |
762 |
int y1, i;
|
763 |
int x, y;
|
764 |
|
765 |
switch(s->state) {
|
766 |
case TTY_STATE_NORM:
|
767 |
switch(ch) {
|
768 |
case '\r': /* carriage return */ |
769 |
s->x = 0;
|
770 |
break;
|
771 |
case '\n': /* newline */ |
772 |
console_put_lf(s); |
773 |
break;
|
774 |
case '\b': /* backspace */ |
775 |
if (s->x > 0) |
776 |
s->x--; |
777 |
break;
|
778 |
case '\t': /* tabspace */ |
779 |
if (s->x + (8 - (s->x % 8)) > s->width) { |
780 |
s->x = 0;
|
781 |
console_put_lf(s); |
782 |
} else {
|
783 |
s->x = s->x + (8 - (s->x % 8)); |
784 |
} |
785 |
break;
|
786 |
case '\a': /* alert aka. bell */ |
787 |
/* TODO: has to be implemented */
|
788 |
break;
|
789 |
case 14: |
790 |
/* SI (shift in), character set 0 (ignored) */
|
791 |
break;
|
792 |
case 15: |
793 |
/* SO (shift out), character set 1 (ignored) */
|
794 |
break;
|
795 |
case 27: /* esc (introducing an escape sequence) */ |
796 |
s->state = TTY_STATE_ESC; |
797 |
break;
|
798 |
default:
|
799 |
if (s->x >= s->width - 1) { |
800 |
break;
|
801 |
} |
802 |
y1 = (s->y_base + s->y) % s->total_height; |
803 |
c = &s->cells[y1 * s->width + s->x]; |
804 |
c->ch = ch; |
805 |
c->t_attrib = s->t_attrib; |
806 |
update_xy(s, s->x, s->y); |
807 |
s->x++; |
808 |
#if 0 /* line wrap disabled */
|
809 |
if (s->x >= s->width) {
|
810 |
s->x = 0;
|
811 |
console_put_lf(s);
|
812 |
}
|
813 |
#endif
|
814 |
break;
|
815 |
} |
816 |
break;
|
817 |
case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ |
818 |
if (ch == '[') { |
819 |
for(i=0;i<MAX_ESC_PARAMS;i++) |
820 |
s->esc_params[i] = 0;
|
821 |
s->nb_esc_params = 0;
|
822 |
s->state = TTY_STATE_CSI; |
823 |
} else {
|
824 |
s->state = TTY_STATE_NORM; |
825 |
} |
826 |
break;
|
827 |
case TTY_STATE_CSI: /* handle escape sequence parameters */ |
828 |
if (ch >= '0' && ch <= '9') { |
829 |
if (s->nb_esc_params < MAX_ESC_PARAMS) {
|
830 |
s->esc_params[s->nb_esc_params] = |
831 |
s->esc_params[s->nb_esc_params] * 10 + ch - '0'; |
832 |
} |
833 |
} else {
|
834 |
s->nb_esc_params++; |
835 |
if (ch == ';') |
836 |
break;
|
837 |
#ifdef DEBUG_CONSOLE
|
838 |
fprintf(stderr, "escape sequence CSI%d;%d%c, %d parameters\n",
|
839 |
s->esc_params[0], s->esc_params[1], ch, s->nb_esc_params); |
840 |
#endif
|
841 |
s->state = TTY_STATE_NORM; |
842 |
switch(ch) {
|
843 |
case 'A': |
844 |
/* move cursor up */
|
845 |
if (s->esc_params[0] == 0) { |
846 |
s->esc_params[0] = 1; |
847 |
} |
848 |
s->y -= s->esc_params[0];
|
849 |
if (s->y < 0) { |
850 |
s->y = 0;
|
851 |
} |
852 |
break;
|
853 |
case 'B': |
854 |
/* move cursor down */
|
855 |
if (s->esc_params[0] == 0) { |
856 |
s->esc_params[0] = 1; |
857 |
} |
858 |
s->y += s->esc_params[0];
|
859 |
if (s->y >= s->height) {
|
860 |
s->y = s->height - 1;
|
861 |
} |
862 |
break;
|
863 |
case 'C': |
864 |
/* move cursor right */
|
865 |
if (s->esc_params[0] == 0) { |
866 |
s->esc_params[0] = 1; |
867 |
} |
868 |
s->x += s->esc_params[0];
|
869 |
if (s->x >= s->width) {
|
870 |
s->x = s->width - 1;
|
871 |
} |
872 |
break;
|
873 |
case 'D': |
874 |
/* move cursor left */
|
875 |
if (s->esc_params[0] == 0) { |
876 |
s->esc_params[0] = 1; |
877 |
} |
878 |
s->x -= s->esc_params[0];
|
879 |
if (s->x < 0) { |
880 |
s->x = 0;
|
881 |
} |
882 |
break;
|
883 |
case 'G': |
884 |
/* move cursor to column */
|
885 |
s->x = s->esc_params[0] - 1; |
886 |
if (s->x < 0) { |
887 |
s->x = 0;
|
888 |
} |
889 |
break;
|
890 |
case 'f': |
891 |
case 'H': |
892 |
/* move cursor to row, column */
|
893 |
s->x = s->esc_params[1] - 1; |
894 |
if (s->x < 0) { |
895 |
s->x = 0;
|
896 |
} |
897 |
s->y = s->esc_params[0] - 1; |
898 |
if (s->y < 0) { |
899 |
s->y = 0;
|
900 |
} |
901 |
break;
|
902 |
case 'J': |
903 |
switch (s->esc_params[0]) { |
904 |
case 0: |
905 |
/* clear to end of screen */
|
906 |
for (y = s->y; y < s->height; y++) {
|
907 |
for (x = 0; x < s->width; x++) { |
908 |
if (y == s->y && x < s->x) {
|
909 |
continue;
|
910 |
} |
911 |
console_clear_xy(s, x, y); |
912 |
} |
913 |
} |
914 |
break;
|
915 |
case 1: |
916 |
/* clear from beginning of screen */
|
917 |
for (y = 0; y <= s->y; y++) { |
918 |
for (x = 0; x < s->width; x++) { |
919 |
if (y == s->y && x > s->x) {
|
920 |
break;
|
921 |
} |
922 |
console_clear_xy(s, x, y); |
923 |
} |
924 |
} |
925 |
break;
|
926 |
case 2: |
927 |
/* clear entire screen */
|
928 |
for (y = 0; y <= s->height; y++) { |
929 |
for (x = 0; x < s->width; x++) { |
930 |
console_clear_xy(s, x, y); |
931 |
} |
932 |
} |
933 |
break;
|
934 |
} |
935 |
case 'K': |
936 |
switch (s->esc_params[0]) { |
937 |
case 0: |
938 |
/* clear to eol */
|
939 |
for(x = s->x; x < s->width; x++) {
|
940 |
console_clear_xy(s, x, s->y); |
941 |
} |
942 |
break;
|
943 |
case 1: |
944 |
/* clear from beginning of line */
|
945 |
for (x = 0; x <= s->x; x++) { |
946 |
console_clear_xy(s, x, s->y); |
947 |
} |
948 |
break;
|
949 |
case 2: |
950 |
/* clear entire line */
|
951 |
for(x = 0; x < s->width; x++) { |
952 |
console_clear_xy(s, x, s->y); |
953 |
} |
954 |
break;
|
955 |
} |
956 |
break;
|
957 |
case 'm': |
958 |
console_handle_escape(s); |
959 |
break;
|
960 |
case 'n': |
961 |
/* report cursor position */
|
962 |
/* TODO: send ESC[row;colR */
|
963 |
break;
|
964 |
case 's': |
965 |
/* save cursor position */
|
966 |
s->x_saved = s->x; |
967 |
s->y_saved = s->y; |
968 |
break;
|
969 |
case 'u': |
970 |
/* restore cursor position */
|
971 |
s->x = s->x_saved; |
972 |
s->y = s->y_saved; |
973 |
break;
|
974 |
default:
|
975 |
#ifdef DEBUG_CONSOLE
|
976 |
fprintf(stderr, "unhandled escape character '%c'\n", ch);
|
977 |
#endif
|
978 |
break;
|
979 |
} |
980 |
break;
|
981 |
} |
982 |
} |
983 |
} |
984 |
|
985 |
void console_select(unsigned int index) |
986 |
{ |
987 |
TextConsole *s; |
988 |
|
989 |
if (index >= MAX_CONSOLES)
|
990 |
return;
|
991 |
s = consoles[index]; |
992 |
if (s) {
|
993 |
active_console = s; |
994 |
if (s->text_console) {
|
995 |
if (s->g_width != s->ds->width ||
|
996 |
s->g_height != s->ds->height) { |
997 |
s->g_width = s->ds->width; |
998 |
s->g_height = s->ds->height; |
999 |
text_console_resize(s); |
1000 |
} |
1001 |
console_refresh(s); |
1002 |
} else {
|
1003 |
vga_hw_invalidate(); |
1004 |
} |
1005 |
} |
1006 |
} |
1007 |
|
1008 |
static int console_puts(CharDriverState *chr, const uint8_t *buf, int len) |
1009 |
{ |
1010 |
TextConsole *s = chr->opaque; |
1011 |
int i;
|
1012 |
|
1013 |
console_show_cursor(s, 0);
|
1014 |
for(i = 0; i < len; i++) { |
1015 |
console_putchar(s, buf[i]); |
1016 |
} |
1017 |
console_show_cursor(s, 1);
|
1018 |
return len;
|
1019 |
} |
1020 |
|
1021 |
static void console_send_event(CharDriverState *chr, int event) |
1022 |
{ |
1023 |
TextConsole *s = chr->opaque; |
1024 |
int i;
|
1025 |
|
1026 |
if (event == CHR_EVENT_FOCUS) {
|
1027 |
for(i = 0; i < nb_consoles; i++) { |
1028 |
if (consoles[i] == s) {
|
1029 |
console_select(i); |
1030 |
break;
|
1031 |
} |
1032 |
} |
1033 |
} |
1034 |
} |
1035 |
|
1036 |
static void kbd_send_chars(void *opaque) |
1037 |
{ |
1038 |
TextConsole *s = opaque; |
1039 |
int len;
|
1040 |
uint8_t buf[16];
|
1041 |
|
1042 |
len = qemu_chr_can_read(s->chr); |
1043 |
if (len > s->out_fifo.count)
|
1044 |
len = s->out_fifo.count; |
1045 |
if (len > 0) { |
1046 |
if (len > sizeof(buf)) |
1047 |
len = sizeof(buf);
|
1048 |
qemu_fifo_read(&s->out_fifo, buf, len); |
1049 |
qemu_chr_read(s->chr, buf, len); |
1050 |
} |
1051 |
/* characters are pending: we send them a bit later (XXX:
|
1052 |
horrible, should change char device API) */
|
1053 |
if (s->out_fifo.count > 0) { |
1054 |
qemu_mod_timer(s->kbd_timer, qemu_get_clock(rt_clock) + 1);
|
1055 |
} |
1056 |
} |
1057 |
|
1058 |
/* called when an ascii key is pressed */
|
1059 |
void kbd_put_keysym(int keysym) |
1060 |
{ |
1061 |
TextConsole *s; |
1062 |
uint8_t buf[16], *q;
|
1063 |
int c;
|
1064 |
|
1065 |
s = active_console; |
1066 |
if (!s || !s->text_console)
|
1067 |
return;
|
1068 |
|
1069 |
switch(keysym) {
|
1070 |
case QEMU_KEY_CTRL_UP:
|
1071 |
console_scroll(-1);
|
1072 |
break;
|
1073 |
case QEMU_KEY_CTRL_DOWN:
|
1074 |
console_scroll(1);
|
1075 |
break;
|
1076 |
case QEMU_KEY_CTRL_PAGEUP:
|
1077 |
console_scroll(-10);
|
1078 |
break;
|
1079 |
case QEMU_KEY_CTRL_PAGEDOWN:
|
1080 |
console_scroll(10);
|
1081 |
break;
|
1082 |
default:
|
1083 |
/* convert the QEMU keysym to VT100 key string */
|
1084 |
q = buf; |
1085 |
if (keysym >= 0xe100 && keysym <= 0xe11f) { |
1086 |
*q++ = '\033';
|
1087 |
*q++ = '[';
|
1088 |
c = keysym - 0xe100;
|
1089 |
if (c >= 10) |
1090 |
*q++ = '0' + (c / 10); |
1091 |
*q++ = '0' + (c % 10); |
1092 |
*q++ = '~';
|
1093 |
} else if (keysym >= 0xe120 && keysym <= 0xe17f) { |
1094 |
*q++ = '\033';
|
1095 |
*q++ = '[';
|
1096 |
*q++ = keysym & 0xff;
|
1097 |
} else {
|
1098 |
*q++ = keysym; |
1099 |
} |
1100 |
if (s->chr->chr_read) {
|
1101 |
qemu_fifo_write(&s->out_fifo, buf, q - buf); |
1102 |
kbd_send_chars(s); |
1103 |
} |
1104 |
break;
|
1105 |
} |
1106 |
} |
1107 |
|
1108 |
static TextConsole *new_console(DisplayState *ds, int text) |
1109 |
{ |
1110 |
TextConsole *s; |
1111 |
int i;
|
1112 |
|
1113 |
if (nb_consoles >= MAX_CONSOLES)
|
1114 |
return NULL; |
1115 |
s = qemu_mallocz(sizeof(TextConsole));
|
1116 |
if (!s) {
|
1117 |
return NULL; |
1118 |
} |
1119 |
if (!active_console || (active_console->text_console && !text))
|
1120 |
active_console = s; |
1121 |
s->ds = ds; |
1122 |
s->text_console = text; |
1123 |
if (text) {
|
1124 |
consoles[nb_consoles++] = s; |
1125 |
} else {
|
1126 |
/* HACK: Put graphical consoles before text consoles. */
|
1127 |
for (i = nb_consoles; i > 0; i--) { |
1128 |
if (!consoles[i - 1]->text_console) |
1129 |
break;
|
1130 |
consoles[i] = consoles[i - 1];
|
1131 |
} |
1132 |
consoles[i] = s; |
1133 |
} |
1134 |
return s;
|
1135 |
} |
1136 |
|
1137 |
TextConsole *graphic_console_init(DisplayState *ds, vga_hw_update_ptr update, |
1138 |
vga_hw_invalidate_ptr invalidate, |
1139 |
vga_hw_screen_dump_ptr screen_dump, |
1140 |
void *opaque)
|
1141 |
{ |
1142 |
TextConsole *s; |
1143 |
|
1144 |
s = new_console(ds, 0);
|
1145 |
if (!s)
|
1146 |
return NULL; |
1147 |
s->hw_update = update; |
1148 |
s->hw_invalidate = invalidate; |
1149 |
s->hw_screen_dump = screen_dump; |
1150 |
s->hw = opaque; |
1151 |
return s;
|
1152 |
} |
1153 |
|
1154 |
int is_graphic_console(void) |
1155 |
{ |
1156 |
return !active_console->text_console;
|
1157 |
} |
1158 |
|
1159 |
CharDriverState *text_console_init(DisplayState *ds) |
1160 |
{ |
1161 |
CharDriverState *chr; |
1162 |
TextConsole *s; |
1163 |
int i,j;
|
1164 |
static int color_inited; |
1165 |
|
1166 |
chr = qemu_mallocz(sizeof(CharDriverState));
|
1167 |
if (!chr)
|
1168 |
return NULL; |
1169 |
s = new_console(ds, 1);
|
1170 |
if (!s) {
|
1171 |
free(chr); |
1172 |
return NULL; |
1173 |
} |
1174 |
chr->opaque = s; |
1175 |
chr->chr_write = console_puts; |
1176 |
chr->chr_send_event = console_send_event; |
1177 |
|
1178 |
s->chr = chr; |
1179 |
s->out_fifo.buf = s->out_fifo_buf; |
1180 |
s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
|
1181 |
s->kbd_timer = qemu_new_timer(rt_clock, kbd_send_chars, s); |
1182 |
|
1183 |
if (!color_inited) {
|
1184 |
color_inited = 1;
|
1185 |
for(j = 0; j < 2; j++) { |
1186 |
for(i = 0; i < 8; i++) { |
1187 |
color_table[j][i] = col_expand(s->ds, |
1188 |
vga_get_color(s->ds, color_table_rgb[j][i])); |
1189 |
} |
1190 |
} |
1191 |
} |
1192 |
s->y_displayed = 0;
|
1193 |
s->y_base = 0;
|
1194 |
s->total_height = DEFAULT_BACKSCROLL; |
1195 |
s->x = 0;
|
1196 |
s->y = 0;
|
1197 |
s->g_width = s->ds->width; |
1198 |
s->g_height = s->ds->height; |
1199 |
|
1200 |
/* Set text attribute defaults */
|
1201 |
s->t_attrib_default.bold = 0;
|
1202 |
s->t_attrib_default.uline = 0;
|
1203 |
s->t_attrib_default.blink = 0;
|
1204 |
s->t_attrib_default.invers = 0;
|
1205 |
s->t_attrib_default.unvisible = 0;
|
1206 |
s->t_attrib_default.fgcol = COLOR_WHITE; |
1207 |
s->t_attrib_default.bgcol = COLOR_BLACK; |
1208 |
|
1209 |
/* set current text attributes to default */
|
1210 |
s->t_attrib = s->t_attrib_default; |
1211 |
text_console_resize(s); |
1212 |
|
1213 |
qemu_chr_reset(chr); |
1214 |
|
1215 |
return chr;
|
1216 |
} |