--- /dev/null
+/*
+ * QEMU graphical console
+ *
+ * Copyright (c) 2004 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu-common.h"
+#include "ui/console.h"
+#include "hw/qdev-core.h"
+#include "qemu/timer.h"
+#include "qmp-commands.h"
+#include "sysemu/char.h"
+#include "trace.h"
+#include "exec/memory.h"
+
+#define DEFAULT_BACKSCROLL 512
+#define CONSOLE_CURSOR_PERIOD 500
+
+typedef struct TextAttributes {
+ uint8_t fgcol:4;
+ uint8_t bgcol:4;
+ uint8_t bold:1;
+ uint8_t uline:1;
+ uint8_t blink:1;
+ uint8_t invers:1;
+ uint8_t unvisible:1;
+} TextAttributes;
+
+typedef struct TextCell {
+ uint8_t ch;
+ TextAttributes t_attrib;
+} TextCell;
+
+#define MAX_ESC_PARAMS 3
+
+enum TTYState {
+ TTY_STATE_NORM,
+ TTY_STATE_ESC,
+ TTY_STATE_CSI,
+};
+
+typedef struct QEMUFIFO {
+ uint8_t *buf;
+ int buf_size;
+ int count, wptr, rptr;
+} QEMUFIFO;
+
+static int qemu_fifo_write(QEMUFIFO *f, const uint8_t *buf, int len1)
+{
+ int l, len;
+
+ l = f->buf_size - f->count;
+ if (len1 > l)
+ len1 = l;
+ len = len1;
+ while (len > 0) {
+ l = f->buf_size - f->wptr;
+ if (l > len)
+ l = len;
+ memcpy(f->buf + f->wptr, buf, l);
+ f->wptr += l;
+ if (f->wptr >= f->buf_size)
+ f->wptr = 0;
+ buf += l;
+ len -= l;
+ }
+ f->count += len1;
+ return len1;
+}
+
+static int qemu_fifo_read(QEMUFIFO *f, uint8_t *buf, int len1)
+{
+ int l, len;
+
+ if (len1 > f->count)
+ len1 = f->count;
+ len = len1;
+ while (len > 0) {
+ l = f->buf_size - f->rptr;
+ if (l > len)
+ l = len;
+ memcpy(buf, f->buf + f->rptr, l);
+ f->rptr += l;
+ if (f->rptr >= f->buf_size)
+ f->rptr = 0;
+ buf += l;
+ len -= l;
+ }
+ f->count -= len1;
+ return len1;
+}
+
+typedef enum {
+ GRAPHIC_CONSOLE,
+ TEXT_CONSOLE,
+ TEXT_CONSOLE_FIXED_SIZE
+} console_type_t;
+
+struct QemuConsole {
+ Object parent;
+
+ int index;
+ console_type_t console_type;
+ DisplayState *ds;
+ DisplaySurface *surface;
+ int dcls;
+
+ /* Graphic console state. */
+ Object *device;
+ uint32_t head;
+ QemuUIInfo ui_info;
+ QEMUTimer *ui_timer;
+ const GraphicHwOps *hw_ops;
+ void *hw;
+
+ /* Text console state */
+ int width;
+ int height;
+ int total_height;
+ int backscroll_height;
+ int x, y;
+ int x_saved, y_saved;
+ int y_displayed;
+ int y_base;
+ TextAttributes t_attrib_default; /* default text attributes */
+ TextAttributes t_attrib; /* currently active text attributes */
+ TextCell *cells;
+ int text_x[2], text_y[2], cursor_invalidate;
+ int echo;
+
+ int update_x0;
+ int update_y0;
+ int update_x1;
+ int update_y1;
+
+ enum TTYState state;
+ int esc_params[MAX_ESC_PARAMS];
+ int nb_esc_params;
+
+ CharDriverState *chr;
+ /* fifo for key pressed */
+ QEMUFIFO out_fifo;
+ uint8_t out_fifo_buf[16];
+ QEMUTimer *kbd_timer;
+};
+
+struct DisplayState {
+ QEMUTimer *gui_timer;
+ uint64_t last_update;
+ uint64_t update_interval;
+ bool refreshing;
+ bool have_gfx;
+ bool have_text;
+
+ QLIST_HEAD(, DisplayChangeListener) listeners;
+};
+
+static DisplayState *display_state;
+static QemuConsole *active_console;
+static QemuConsole **consoles;
+static int nb_consoles = 0;
+static bool cursor_visible_phase;
+static QEMUTimer *cursor_timer;
+
+static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
+static void dpy_refresh(DisplayState *s);
+static DisplayState *get_alloc_displaystate(void);
+static void text_console_update_cursor_timer(void);
+static void text_console_update_cursor(void *opaque);
+
+static void gui_update(void *opaque)
+{
+ uint64_t interval = GUI_REFRESH_INTERVAL_IDLE;
+ uint64_t dcl_interval;
+ DisplayState *ds = opaque;
+ DisplayChangeListener *dcl;
+ int i;
+
+ ds->refreshing = true;
+ dpy_refresh(ds);
+ ds->refreshing = false;
+
+ QLIST_FOREACH(dcl, &ds->listeners, next) {
+ dcl_interval = dcl->update_interval ?
+ dcl->update_interval : GUI_REFRESH_INTERVAL_DEFAULT;
+ if (interval > dcl_interval) {
+ interval = dcl_interval;
+ }
+ }
+ if (ds->update_interval != interval) {
+ ds->update_interval = interval;
+ for (i = 0; i < nb_consoles; i++) {
+ if (consoles[i]->hw_ops->update_interval) {
+ consoles[i]->hw_ops->update_interval(consoles[i]->hw, interval);
+ }
+ }
+ trace_console_refresh(interval);
+ }
+ ds->last_update = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
+ timer_mod(ds->gui_timer, ds->last_update + interval);
+}
+
+static void gui_setup_refresh(DisplayState *ds)
+{
+ DisplayChangeListener *dcl;
+ bool need_timer = false;
+ bool have_gfx = false;
+ bool have_text = false;
+
+ QLIST_FOREACH(dcl, &ds->listeners, next) {
+ if (dcl->ops->dpy_refresh != NULL) {
+ need_timer = true;
+ }
+ if (dcl->ops->dpy_gfx_update != NULL) {
+ have_gfx = true;
+ }
+ if (dcl->ops->dpy_text_update != NULL) {
+ have_text = true;
+ }
+ }
+
+ if (need_timer && ds->gui_timer == NULL) {
+ ds->gui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, gui_update, ds);
+ timer_mod(ds->gui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME));
+ }
+ if (!need_timer && ds->gui_timer != NULL) {
+ timer_del(ds->gui_timer);
+ timer_free(ds->gui_timer);
+ ds->gui_timer = NULL;
+ }
+
+ ds->have_gfx = have_gfx;
+ ds->have_text = have_text;
+}
+
+void graphic_hw_update(QemuConsole *con)
+{
+ if (!con) {
+ con = active_console;
+ }
+ if (con && con->hw_ops->gfx_update) {
+ con->hw_ops->gfx_update(con->hw);
+ }
+}
+
+void graphic_hw_invalidate(QemuConsole *con)
+{
+ if (!con) {
+ con = active_console;
+ }
+ if (con && con->hw_ops->invalidate) {
+ con->hw_ops->invalidate(con->hw);
+ }
+}
+
+static void ppm_save(const char *filename, DisplaySurface *ds,
+ Error **errp)
+{
+ int width = pixman_image_get_width(ds->image);
+ int height = pixman_image_get_height(ds->image);
+ int fd;
+ FILE *f;
+ int y;
+ int ret;
+ pixman_image_t *linebuf;
+
+ trace_ppm_save(filename, ds);
+ fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666);
+ if (fd == -1) {
+ error_setg(errp, "failed to open file '%s': %s", filename,
+ strerror(errno));
+ return;
+ }
+ f = fdopen(fd, "wb");
+ ret = fprintf(f, "P6\n%d %d\n%d\n", width, height, 255);
+ if (ret < 0) {
+ linebuf = NULL;
+ goto write_err;
+ }
+ linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
+ for (y = 0; y < height; y++) {
+ qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
+ clearerr(f);
+ ret = fwrite(pixman_image_get_data(linebuf), 1,
+ pixman_image_get_stride(linebuf), f);
+ (void)ret;
+ if (ferror(f)) {
+ goto write_err;
+ }
+ }
+
+out:
+ qemu_pixman_image_unref(linebuf);
+ fclose(f);
+ return;
+
+write_err:
+ error_setg(errp, "failed to write to file '%s': %s", filename,
+ strerror(errno));
+ unlink(filename);
+ goto out;
+}
+
+void qmp_screendump(const char *filename, Error **errp)
+{
+ QemuConsole *con = qemu_console_lookup_by_index(0);
+ DisplaySurface *surface;
+
+ if (con == NULL) {
+ error_setg(errp, "There is no QemuConsole I can screendump from.");
+ return;
+ }
+
+ graphic_hw_update(con);
+ surface = qemu_console_surface(con);
+ ppm_save(filename, surface, errp);
+}
+
+void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata)
+{
+ if (!con) {
+ con = active_console;
+ }
+ if (con && con->hw_ops->text_update) {
+ con->hw_ops->text_update(con->hw, chardata);
+ }
+}
+
+static void vga_fill_rect(QemuConsole *con,
+ int posx, int posy, int width, int height,
+ pixman_color_t color)
+{
+ DisplaySurface *surface = qemu_console_surface(con);
+ pixman_rectangle16_t rect = {
+ .x = posx, .y = posy, .width = width, .height = height
+ };
+
+ pixman_image_fill_rectangles(PIXMAN_OP_SRC, surface->image,
+ &color, 1, &rect);
+}
+
+/* copy from (xs, ys) to (xd, yd) a rectangle of size (w, h) */
+static void vga_bitblt(QemuConsole *con,
+ int xs, int ys, int xd, int yd, int w, int h)
+{
+ DisplaySurface *surface = qemu_console_surface(con);
+
+ pixman_image_composite(PIXMAN_OP_SRC,
+ surface->image, NULL, surface->image,
+ xs, ys, 0, 0, xd, yd, w, h);
+}
+
+/***********************************************************/
+/* basic char display */
+
+#define FONT_HEIGHT 16
+#define FONT_WIDTH 8
+
+#include "vgafont.h"
+
+#ifndef CONFIG_CURSES
+enum color_names {
+ COLOR_BLACK = 0,
+ COLOR_RED = 1,
+ COLOR_GREEN = 2,
+ COLOR_YELLOW = 3,
+ COLOR_BLUE = 4,
+ COLOR_MAGENTA = 5,
+ COLOR_CYAN = 6,
+ COLOR_WHITE = 7
+};
+#endif
+
+#define QEMU_RGB(r, g, b) \
+ { .red = r << 8, .green = g << 8, .blue = b << 8, .alpha = 0xffff }
+
+static const pixman_color_t color_table_rgb[2][8] = {
+ { /* dark */
+ QEMU_RGB(0x00, 0x00, 0x00), /* black */
+ QEMU_RGB(0xaa, 0x00, 0x00), /* red */
+ QEMU_RGB(0x00, 0xaa, 0x00), /* green */
+ QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
+ QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
+ QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
+ QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
+ QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
+ },
+ { /* bright */
+ QEMU_RGB(0x00, 0x00, 0x00), /* black */
+ QEMU_RGB(0xff, 0x00, 0x00), /* red */
+ QEMU_RGB(0x00, 0xff, 0x00), /* green */
+ QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
+ QEMU_RGB(0x00, 0x00, 0xff), /* blue */
+ QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
+ QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
+ QEMU_RGB(0xff, 0xff, 0xff), /* white */
+ }
+};
+
+static void vga_putcharxy(QemuConsole *s, int x, int y, int ch,
+ TextAttributes *t_attrib)
+{
+ static pixman_image_t *glyphs[256];
+ DisplaySurface *surface = qemu_console_surface(s);
+ pixman_color_t fgcol, bgcol;
+
+ if (t_attrib->invers) {
+ bgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
+ fgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
+ } else {
+ fgcol = color_table_rgb[t_attrib->bold][t_attrib->fgcol];
+ bgcol = color_table_rgb[t_attrib->bold][t_attrib->bgcol];
+ }
+
+ if (!glyphs[ch]) {
+ glyphs[ch] = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, ch);
+ }
+ qemu_pixman_glyph_render(glyphs[ch], surface->image,
+ &fgcol, &bgcol, x, y, FONT_WIDTH, FONT_HEIGHT);
+}
+
+static void text_console_resize(QemuConsole *s)
+{
+ TextCell *cells, *c, *c1;
+ int w1, x, y, last_width;
+
+ last_width = s->width;
+ s->width = surface_width(s->surface) / FONT_WIDTH;
+ s->height = surface_height(s->surface) / FONT_HEIGHT;
+
+ w1 = last_width;
+ if (s->width < w1)
+ w1 = s->width;
+
+ cells = g_malloc(s->width * s->total_height * sizeof(TextCell));
+ for(y = 0; y < s->total_height; y++) {
+ c = &cells[y * s->width];
+ if (w1 > 0) {
+ c1 = &s->cells[y * last_width];
+ for(x = 0; x < w1; x++) {
+ *c++ = *c1++;
+ }
+ }
+ for(x = w1; x < s->width; x++) {
+ c->ch = ' ';
+ c->t_attrib = s->t_attrib_default;
+ c++;
+ }
+ }
+ g_free(s->cells);
+ s->cells = cells;
+}
+
+static inline void text_update_xy(QemuConsole *s, int x, int y)
+{
+ s->text_x[0] = MIN(s->text_x[0], x);
+ s->text_x[1] = MAX(s->text_x[1], x);
+ s->text_y[0] = MIN(s->text_y[0], y);
+ s->text_y[1] = MAX(s->text_y[1], y);
+}
+
+static void invalidate_xy(QemuConsole *s, int x, int y)
+{
+ if (!qemu_console_is_visible(s)) {
+ return;
+ }
+ if (s->update_x0 > x * FONT_WIDTH)
+ s->update_x0 = x * FONT_WIDTH;
+ if (s->update_y0 > y * FONT_HEIGHT)
+ s->update_y0 = y * FONT_HEIGHT;
+ if (s->update_x1 < (x + 1) * FONT_WIDTH)
+ s->update_x1 = (x + 1) * FONT_WIDTH;
+ if (s->update_y1 < (y + 1) * FONT_HEIGHT)
+ s->update_y1 = (y + 1) * FONT_HEIGHT;
+}
+
+static void update_xy(QemuConsole *s, int x, int y)
+{
+ TextCell *c;
+ int y1, y2;
+
+ if (s->ds->have_text) {
+ text_update_xy(s, x, y);
+ }
+
+ y1 = (s->y_base + y) % s->total_height;
+ y2 = y1 - s->y_displayed;
+ if (y2 < 0) {
+ y2 += s->total_height;
+ }
+ if (y2 < s->height) {
+ c = &s->cells[y1 * s->width + x];
+ vga_putcharxy(s, x, y2, c->ch,
+ &(c->t_attrib));
+ invalidate_xy(s, x, y2);
+ }
+}
+
+static void console_show_cursor(QemuConsole *s, int show)
+{
+ TextCell *c;
+ int y, y1;
+ int x = s->x;
+
+ if (s->ds->have_text) {
+ s->cursor_invalidate = 1;
+ }
+
+ if (x >= s->width) {
+ x = s->width - 1;
+ }
+ y1 = (s->y_base + s->y) % s->total_height;
+ y = y1 - s->y_displayed;
+ if (y < 0) {
+ y += s->total_height;
+ }
+ if (y < s->height) {
+ c = &s->cells[y1 * s->width + x];
+ if (show && cursor_visible_phase) {
+ TextAttributes t_attrib = s->t_attrib_default;
+ t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
+ vga_putcharxy(s, x, y, c->ch, &t_attrib);
+ } else {
+ vga_putcharxy(s, x, y, c->ch, &(c->t_attrib));
+ }
+ invalidate_xy(s, x, y);
+ }
+}
+
+static void console_refresh(QemuConsole *s)
+{
+ DisplaySurface *surface = qemu_console_surface(s);
+ TextCell *c;
+ int x, y, y1;
+
+ if (s->ds->have_text) {
+ s->text_x[0] = 0;
+ s->text_y[0] = 0;
+ s->text_x[1] = s->width - 1;
+ s->text_y[1] = s->height - 1;
+ s->cursor_invalidate = 1;
+ }
+
+ vga_fill_rect(s, 0, 0, surface_width(surface), surface_height(surface),
+ color_table_rgb[0][COLOR_BLACK]);
+ y1 = s->y_displayed;
+ for (y = 0; y < s->height; y++) {
+ c = s->cells + y1 * s->width;
+ for (x = 0; x < s->width; x++) {
+ vga_putcharxy(s, x, y, c->ch,
+ &(c->t_attrib));
+ c++;
+ }
+ if (++y1 == s->total_height) {
+ y1 = 0;
+ }
+ }
+ console_show_cursor(s, 1);
+ dpy_gfx_update(s, 0, 0,
+ surface_width(surface), surface_height(surface));
+}
+
+static void console_scroll(QemuConsole *s, int ydelta)
+{
+ int i, y1;
+
+ if (ydelta > 0) {
+ for(i = 0; i < ydelta; i++) {
+ if (s->y_displayed == s->y_base)
+ break;
+ if (++s->y_displayed == s->total_height)
+ s->y_displayed = 0;
+ }
+ } else {
+ ydelta = -ydelta;
+ i = s->backscroll_height;
+ if (i > s->total_height - s->height)
+ i = s->total_height - s->height;
+ y1 = s->y_base - i;
+ if (y1 < 0)
+ y1 += s->total_height;
+ for(i = 0; i < ydelta; i++) {
+ if (s->y_displayed == y1)
+ break;
+ if (--s->y_displayed < 0)
+ s->y_displayed = s->total_height - 1;
+ }
+ }
+ console_refresh(s);
+}
+
+static void console_put_lf(QemuConsole *s)
+{
+ TextCell *c;
+ int x, y1;
+
+ s->y++;
+ if (s->y >= s->height) {
+ s->y = s->height - 1;
+
+ if (s->y_displayed == s->y_base) {
+ if (++s->y_displayed == s->total_height)
+ s->y_displayed = 0;
+ }
+ if (++s->y_base == s->total_height)
+ s->y_base = 0;
+ if (s->backscroll_height < s->total_height)
+ s->backscroll_height++;
+ y1 = (s->y_base + s->height - 1) % s->total_height;
+ c = &s->cells[y1 * s->width];
+ for(x = 0; x < s->width; x++) {
+ c->ch = ' ';
+ c->t_attrib = s->t_attrib_default;
+ c++;
+ }
+ if (s->y_displayed == s->y_base) {
+ if (s->ds->have_text) {
+ s->text_x[0] = 0;
+ s->text_y[0] = 0;
+ s->text_x[1] = s->width - 1;
+ s->text_y[1] = s->height - 1;
+ }
+
+ vga_bitblt(s, 0, FONT_HEIGHT, 0, 0,
+ s->width * FONT_WIDTH,
+ (s->height - 1) * FONT_HEIGHT);
+ vga_fill_rect(s, 0, (s->height - 1) * FONT_HEIGHT,
+ s->width * FONT_WIDTH, FONT_HEIGHT,
+ color_table_rgb[0][s->t_attrib_default.bgcol]);
+ s->update_x0 = 0;
+ s->update_y0 = 0;
+ s->update_x1 = s->width * FONT_WIDTH;
+ s->update_y1 = s->height * FONT_HEIGHT;
+ }
+ }
+}
+
+/* Set console attributes depending on the current escape codes.
+ * NOTE: I know this code is not very efficient (checking every color for it
+ * self) but it is more readable and better maintainable.
+ */
+static void console_handle_escape(QemuConsole *s)
+{
+ int i;
+
+ for (i=0; i<s->nb_esc_params; i++) {
+ switch (s->esc_params[i]) {
+ case 0: /* reset all console attributes to default */
+ s->t_attrib = s->t_attrib_default;
+ break;
+ case 1:
+ s->t_attrib.bold = 1;
+ break;
+ case 4:
+ s->t_attrib.uline = 1;
+ break;
+ case 5:
+ s->t_attrib.blink = 1;
+ break;
+ case 7:
+ s->t_attrib.invers = 1;
+ break;
+ case 8:
+ s->t_attrib.unvisible = 1;
+ break;
+ case 22:
+ s->t_attrib.bold = 0;
+ break;
+ case 24:
+ s->t_attrib.uline = 0;
+ break;
+ case 25:
+ s->t_attrib.blink = 0;
+ break;
+ case 27:
+ s->t_attrib.invers = 0;
+ break;
+ case 28:
+ s->t_attrib.unvisible = 0;
+ break;
+ /* set foreground color */
+ case 30:
+ s->t_attrib.fgcol=COLOR_BLACK;
+ break;
+ case 31:
+ s->t_attrib.fgcol=COLOR_RED;
+ break;
+ case 32:
+ s->t_attrib.fgcol=COLOR_GREEN;
+ break;
+ case 33:
+ s->t_attrib.fgcol=COLOR_YELLOW;
+ break;
+ case 34:
+ s->t_attrib.fgcol=COLOR_BLUE;
+ break;
+ case 35:
+ s->t_attrib.fgcol=COLOR_MAGENTA;
+ break;
+ case 36:
+ s->t_attrib.fgcol=COLOR_CYAN;
+ break;
+ case 37:
+ s->t_attrib.fgcol=COLOR_WHITE;
+ break;
+ /* set background color */
+ case 40:
+ s->t_attrib.bgcol=COLOR_BLACK;
+ break;
+ case 41:
+ s->t_attrib.bgcol=COLOR_RED;
+ break;
+ case 42:
+ s->t_attrib.bgcol=COLOR_GREEN;
+ break;
+ case 43:
+ s->t_attrib.bgcol=COLOR_YELLOW;
+ break;
+ case 44:
+ s->t_attrib.bgcol=COLOR_BLUE;
+ break;
+ case 45:
+ s->t_attrib.bgcol=COLOR_MAGENTA;
+ break;
+ case 46:
+ s->t_attrib.bgcol=COLOR_CYAN;
+ break;
+ case 47:
+ s->t_attrib.bgcol=COLOR_WHITE;
+ break;
+ }
+ }
+}
+
+static void console_clear_xy(QemuConsole *s, int x, int y)
+{
+ int y1 = (s->y_base + y) % s->total_height;
+ TextCell *c = &s->cells[y1 * s->width + x];
+ c->ch = ' ';
+ c->t_attrib = s->t_attrib_default;
+ update_xy(s, x, y);
+}
+
+/* set cursor, checking bounds */
+static void set_cursor(QemuConsole *s, int x, int y)
+{
+ if (x < 0) {
+ x = 0;
+ }
+ if (y < 0) {
+ y = 0;
+ }
+ if (y >= s->height) {
+ y = s->height - 1;
+ }
+ if (x >= s->width) {
+ x = s->width - 1;
+ }
+
+ s->x = x;
+ s->y = y;
+}
+
+static void console_putchar(QemuConsole *s, int ch)
+{
+ TextCell *c;
+ int y1, i;
+ int x, y;
+
+ switch(s->state) {
+ case TTY_STATE_NORM:
+ switch(ch) {
+ case '\r': /* carriage return */
+ s->x = 0;
+ break;
+ case '\n': /* newline */
+ console_put_lf(s);
+ break;
+ case '\b': /* backspace */
+ if (s->x > 0)
+ s->x--;
+ break;
+ case '\t': /* tabspace */
+ if (s->x + (8 - (s->x % 8)) > s->width) {
+ s->x = 0;
+ console_put_lf(s);
+ } else {
+ s->x = s->x + (8 - (s->x % 8));
+ }
+ break;
+ case '\a': /* alert aka. bell */
+ /* TODO: has to be implemented */
+ break;
+ case 14:
+ /* SI (shift in), character set 0 (ignored) */
+ break;
+ case 15:
+ /* SO (shift out), character set 1 (ignored) */
+ break;
+ case 27: /* esc (introducing an escape sequence) */
+ s->state = TTY_STATE_ESC;
+ break;
+ default:
+ if (s->x >= s->width) {
+ /* line wrap */
+ s->x = 0;
+ console_put_lf(s);
+ }
+ y1 = (s->y_base + s->y) % s->total_height;
+ c = &s->cells[y1 * s->width + s->x];
+ c->ch = ch;
+ c->t_attrib = s->t_attrib;
+ update_xy(s, s->x, s->y);
+ s->x++;
+ break;
+ }
+ break;
+ case TTY_STATE_ESC: /* check if it is a terminal escape sequence */
+ 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: /* handle escape sequence parameters */
+ if (ch >= '0' && ch <= '9') {
+ if (s->nb_esc_params < MAX_ESC_PARAMS) {
+ int *param = &s->esc_params[s->nb_esc_params];
+ int digit = (ch - '0');
+
+ *param = (*param <= (INT_MAX - digit) / 10) ?
+ *param * 10 + digit : INT_MAX;
+ }
+ } else {
+ if (s->nb_esc_params < MAX_ESC_PARAMS)
+ s->nb_esc_params++;
+ if (ch == ';')
+ break;
+ trace_console_putchar_csi(s->esc_params[0], s->esc_params[1],
+ ch, s->nb_esc_params);
+ s->state = TTY_STATE_NORM;
+ switch(ch) {
+ case 'A':
+ /* move cursor up */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ set_cursor(s, s->x, s->y - s->esc_params[0]);
+ break;
+ case 'B':
+ /* move cursor down */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ set_cursor(s, s->x, s->y + s->esc_params[0]);
+ break;
+ case 'C':
+ /* move cursor right */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ set_cursor(s, s->x + s->esc_params[0], s->y);
+ break;
+ case 'D':
+ /* move cursor left */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ set_cursor(s, s->x - s->esc_params[0], s->y);
+ break;
+ case 'G':
+ /* move cursor to column */
+ set_cursor(s, s->esc_params[0] - 1, s->y);
+ break;
+ case 'f':
+ case 'H':
+ /* move cursor to row, column */
+ set_cursor(s, s->esc_params[1] - 1, s->esc_params[0] - 1);
+ break;
+ case 'J':
+ switch (s->esc_params[0]) {
+ case 0:
+ /* clear to end of screen */
+ for (y = s->y; y < s->height; y++) {
+ for (x = 0; x < s->width; x++) {
+ if (y == s->y && x < s->x) {
+ continue;
+ }
+ console_clear_xy(s, x, y);
+ }
+ }
+ break;
+ case 1:
+ /* clear from beginning of screen */
+ for (y = 0; y <= s->y; y++) {
+ for (x = 0; x < s->width; x++) {
+ if (y == s->y && x > s->x) {
+ break;
+ }
+ console_clear_xy(s, x, y);
+ }
+ }
+ break;
+ case 2:
+ /* clear entire screen */
+ for (y = 0; y <= s->height; y++) {
+ for (x = 0; x < s->width; x++) {
+ console_clear_xy(s, x, y);
+ }
+ }
+ break;
+ }
+ break;
+ case 'K':
+ switch (s->esc_params[0]) {
+ case 0:
+ /* clear to eol */
+ for(x = s->x; x < s->width; x++) {
+ console_clear_xy(s, x, s->y);
+ }
+ break;
+ case 1:
+ /* clear from beginning of line */
+ for (x = 0; x <= s->x; x++) {
+ console_clear_xy(s, x, s->y);
+ }
+ break;
+ case 2:
+ /* clear entire line */
+ for(x = 0; x < s->width; x++) {
+ console_clear_xy(s, x, s->y);
+ }
+ break;
+ }
+ break;
+ case 'm':
+ console_handle_escape(s);
+ break;
+ case 'n':
+ /* report cursor position */
+ /* TODO: send ESC[row;colR */
+ break;
+ case 's':
+ /* save cursor position */
+ s->x_saved = s->x;
+ s->y_saved = s->y;
+ break;
+ case 'u':
+ /* restore cursor position */
+ s->x = s->x_saved;
+ s->y = s->y_saved;
+ break;
+ default:
+ trace_console_putchar_unhandled(ch);
+ break;
+ }
+ break;
+ }
+ }
+}
+
+void console_select(unsigned int index)
+{
+ DisplayChangeListener *dcl;
+ QemuConsole *s;
+
+ trace_console_select(index);
+ s = qemu_console_lookup_by_index(index);
+ if (s) {
+ DisplayState *ds = s->ds;
+
+ active_console = s;
+ if (ds->have_gfx) {
+ QLIST_FOREACH(dcl, &ds->listeners, next) {
+ if (dcl->con != NULL) {
+ continue;
+ }
+ if (dcl->ops->dpy_gfx_switch) {
+ dcl->ops->dpy_gfx_switch(dcl, s->surface);
+ }
+ }
+ dpy_gfx_update(s, 0, 0, surface_width(s->surface),
+ surface_height(s->surface));
+ }
+ if (ds->have_text) {
+ dpy_text_resize(s, s->width, s->height);
+ }
+ text_console_update_cursor(NULL);
+ }
+}
+
+static int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
+{
+ QemuConsole *s = chr->opaque;
+ int i;
+
+ s->update_x0 = s->width * FONT_WIDTH;
+ s->update_y0 = s->height * FONT_HEIGHT;
+ s->update_x1 = 0;
+ s->update_y1 = 0;
+ console_show_cursor(s, 0);
+ for(i = 0; i < len; i++) {
+ console_putchar(s, buf[i]);
+ }
+ console_show_cursor(s, 1);
+ if (s->ds->have_gfx && s->update_x0 < s->update_x1) {
+ dpy_gfx_update(s, s->update_x0, s->update_y0,
+ s->update_x1 - s->update_x0,
+ s->update_y1 - s->update_y0);
+ }
+ return len;
+}
+
+static void kbd_send_chars(void *opaque)
+{
+ QemuConsole *s = opaque;
+ int len;
+ uint8_t buf[16];
+
+ len = qemu_chr_be_can_write(s->chr);
+ if (len > s->out_fifo.count)
+ len = s->out_fifo.count;
+ if (len > 0) {
+ if (len > sizeof(buf))
+ len = sizeof(buf);
+ qemu_fifo_read(&s->out_fifo, buf, len);
+ qemu_chr_be_write(s->chr, buf, len);
+ }
+ /* characters are pending: we send them a bit later (XXX:
+ horrible, should change char device API) */
+ if (s->out_fifo.count > 0) {
+ timer_mod(s->kbd_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1);
+ }
+}
+
+/* called when an ascii key is pressed */
+void kbd_put_keysym_console(QemuConsole *s, int keysym)
+{
+ uint8_t buf[16], *q;
+ int c;
+
+ if (!s || (s->console_type == GRAPHIC_CONSOLE))
+ return;
+
+ switch(keysym) {
+ case QEMU_KEY_CTRL_UP:
+ console_scroll(s, -1);
+ break;
+ case QEMU_KEY_CTRL_DOWN:
+ console_scroll(s, 1);
+ break;
+ case QEMU_KEY_CTRL_PAGEUP:
+ console_scroll(s, -10);
+ break;
+ case QEMU_KEY_CTRL_PAGEDOWN:
+ console_scroll(s, 10);
+ break;
+ default:
+ /* 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 if (s->echo && (keysym == '\r' || keysym == '\n')) {
+ console_puts(s->chr, (const uint8_t *) "\r", 1);
+ *q++ = '\n';
+ } else {
+ *q++ = keysym;
+ }
+ if (s->echo) {
+ console_puts(s->chr, buf, q - buf);
+ }
+ if (s->chr->chr_read) {
+ qemu_fifo_write(&s->out_fifo, buf, q - buf);
+ kbd_send_chars(s);
+ }
+ break;
+ }
+}
+
+static const int qcode_to_keysym[Q_KEY_CODE_MAX] = {
+ [Q_KEY_CODE_UP] = QEMU_KEY_UP,
+ [Q_KEY_CODE_DOWN] = QEMU_KEY_DOWN,
+ [Q_KEY_CODE_RIGHT] = QEMU_KEY_RIGHT,
+ [Q_KEY_CODE_LEFT] = QEMU_KEY_LEFT,
+ [Q_KEY_CODE_HOME] = QEMU_KEY_HOME,
+ [Q_KEY_CODE_END] = QEMU_KEY_END,
+ [Q_KEY_CODE_PGUP] = QEMU_KEY_PAGEUP,
+ [Q_KEY_CODE_PGDN] = QEMU_KEY_PAGEDOWN,
+ [Q_KEY_CODE_DELETE] = QEMU_KEY_DELETE,
+};
+
+bool kbd_put_qcode_console(QemuConsole *s, int qcode)
+{
+ int keysym;
+
+ keysym = qcode_to_keysym[qcode];
+ if (keysym == 0) {
+ return false;
+ }
+ kbd_put_keysym_console(s, keysym);
+ return true;
+}
+
+void kbd_put_string_console(QemuConsole *s, const char *str, int len)
+{
+ int i;
+
+ for (i = 0; i < len && str[i]; i++) {
+ kbd_put_keysym_console(s, str[i]);
+ }
+}
+
+void kbd_put_keysym(int keysym)
+{
+ kbd_put_keysym_console(active_console, keysym);
+}
+
+static void text_console_invalidate(void *opaque)
+{
+ QemuConsole *s = (QemuConsole *) opaque;
+
+ if (s->ds->have_text && s->console_type == TEXT_CONSOLE) {
+ text_console_resize(s);
+ }
+ console_refresh(s);
+}
+
+static void text_console_update(void *opaque, console_ch_t *chardata)
+{
+ QemuConsole *s = (QemuConsole *) opaque;
+ int i, j, src;
+
+ if (s->text_x[0] <= s->text_x[1]) {
+ src = (s->y_base + s->text_y[0]) * s->width;
+ chardata += s->text_y[0] * s->width;
+ for (i = s->text_y[0]; i <= s->text_y[1]; i ++)
+ for (j = 0; j < s->width; j ++, src ++)
+ console_write_ch(chardata ++, s->cells[src].ch |
+ (s->cells[src].t_attrib.fgcol << 12) |
+ (s->cells[src].t_attrib.bgcol << 8) |
+ (s->cells[src].t_attrib.bold << 21));
+ dpy_text_update(s, s->text_x[0], s->text_y[0],
+ s->text_x[1] - s->text_x[0], i - s->text_y[0]);
+ s->text_x[0] = s->width;
+ s->text_y[0] = s->height;
+ s->text_x[1] = 0;
+ s->text_y[1] = 0;
+ }
+ if (s->cursor_invalidate) {
+ dpy_text_cursor(s, s->x, s->y);
+ s->cursor_invalidate = 0;
+ }
+}
+
+static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
+ uint32_t head)
+{
+ Object *obj;
+ QemuConsole *s;
+ int i;
+
+ obj = object_new(TYPE_QEMU_CONSOLE);
+ s = QEMU_CONSOLE(obj);
+ s->head = head;
+ object_property_add_link(obj, "device", TYPE_DEVICE,
+ (Object **)&s->device,
+ object_property_allow_set_link,
+ OBJ_PROP_LINK_UNREF_ON_RELEASE,
+ &error_abort);
+ object_property_add_uint32_ptr(obj, "head",
+ &s->head, &error_abort);
+
+ if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
+ (console_type == GRAPHIC_CONSOLE))) {
+ active_console = s;
+ }
+ s->ds = ds;
+ s->console_type = console_type;
+
+ consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1));
+ if (console_type != GRAPHIC_CONSOLE) {
+ s->index = nb_consoles;
+ consoles[nb_consoles++] = s;
+ } else {
+ /* HACK: Put graphical consoles before text consoles. */
+ for (i = nb_consoles; i > 0; i--) {
+ if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE)
+ break;
+ consoles[i] = consoles[i - 1];
+ consoles[i]->index = i;
+ }
+ s->index = i;
+ consoles[i] = s;
+ nb_consoles++;
+ }
+ return s;
+}
+
+static void qemu_alloc_display(DisplaySurface *surface, int width, int height)
+{
+ qemu_pixman_image_unref(surface->image);
+ surface->image = NULL;
+
+ surface->format = PIXMAN_x8r8g8b8;
+ surface->image = pixman_image_create_bits(surface->format,
+ width, height,
+ NULL, width * 4);
+ assert(surface->image != NULL);
+
+ surface->flags = QEMU_ALLOCATED_FLAG;
+}
+
+DisplaySurface *qemu_create_displaysurface(int width, int height)
+{
+ DisplaySurface *surface = g_new0(DisplaySurface, 1);
+
+ trace_displaysurface_create(surface, width, height);
+ qemu_alloc_display(surface, width, height);
+ return surface;
+}
+
+DisplaySurface *qemu_create_displaysurface_from(int width, int height,
+ pixman_format_code_t format,
+ int linesize, uint8_t *data)
+{
+ DisplaySurface *surface = g_new0(DisplaySurface, 1);
+
+ trace_displaysurface_create_from(surface, width, height, format);
+ surface->format = format;
+ surface->image = pixman_image_create_bits(surface->format,
+ width, height,
+ (void *)data, linesize);
+ assert(surface->image != NULL);
+
+ return surface;
+}
+
+static void qemu_unmap_displaysurface_guestmem(pixman_image_t *image,
+ void *unused)
+{
+ void *data = pixman_image_get_data(image);
+ uint32_t size = pixman_image_get_stride(image) *
+ pixman_image_get_height(image);
+ cpu_physical_memory_unmap(data, size, 0, 0);
+}
+
+DisplaySurface *qemu_create_displaysurface_guestmem(int width, int height,
+ pixman_format_code_t format,
+ int linesize, uint64_t addr)
+{
+ DisplaySurface *surface;
+ hwaddr size;
+ void *data;
+
+ if (linesize == 0) {
+ linesize = width * PIXMAN_FORMAT_BPP(format) / 8;
+ }
+
+ size = (hwaddr)linesize * height;
+ data = cpu_physical_memory_map(addr, &size, 0);
+ if (size != (hwaddr)linesize * height) {
+ cpu_physical_memory_unmap(data, size, 0, 0);
+ return NULL;
+ }
+
+ surface = qemu_create_displaysurface_from
+ (width, height, format, linesize, data);
+ pixman_image_set_destroy_function
+ (surface->image, qemu_unmap_displaysurface_guestmem, NULL);
+
+ return surface;
+}
+
+static DisplaySurface *qemu_create_message_surface(int w, int h,
+ const char *msg)
+{
+ DisplaySurface *surface = qemu_create_displaysurface(w, h);
+ pixman_color_t bg = color_table_rgb[0][COLOR_BLACK];
+ pixman_color_t fg = color_table_rgb[0][COLOR_WHITE];
+ pixman_image_t *glyph;
+ int len, x, y, i;
+
+ len = strlen(msg);
+ x = (w / FONT_WIDTH - len) / 2;
+ y = (h / FONT_HEIGHT - 1) / 2;
+ for (i = 0; i < len; i++) {
+ glyph = qemu_pixman_glyph_from_vgafont(FONT_HEIGHT, vgafont16, msg[i]);
+ qemu_pixman_glyph_render(glyph, surface->image, &fg, &bg,
+ x+i, y, FONT_WIDTH, FONT_HEIGHT);
+ qemu_pixman_image_unref(glyph);
+ }
+ return surface;
+}
+
+void qemu_free_displaysurface(DisplaySurface *surface)
+{
+ if (surface == NULL) {
+ return;
+ }
+ trace_displaysurface_free(surface);
+ qemu_pixman_image_unref(surface->image);
+ g_free(surface);
+}
+
+void register_displaychangelistener(DisplayChangeListener *dcl)
+{
+ static const char nodev[] =
+ "This VM has no graphic display device.";
+ static DisplaySurface *dummy;
+ QemuConsole *con;
+
+ trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);
+ dcl->ds = get_alloc_displaystate();
+ QLIST_INSERT_HEAD(&dcl->ds->listeners, dcl, next);
+ gui_setup_refresh(dcl->ds);
+ if (dcl->con) {
+ dcl->con->dcls++;
+ con = dcl->con;
+ } else {
+ con = active_console;
+ }
+ if (dcl->ops->dpy_gfx_switch) {
+ if (con) {
+ dcl->ops->dpy_gfx_switch(dcl, con->surface);
+ } else {
+ if (!dummy) {
+ dummy = qemu_create_message_surface(640, 480, nodev);
+ }
+ dcl->ops->dpy_gfx_switch(dcl, dummy);
+ }
+ }
+ text_console_update_cursor(NULL);
+}
+
+void update_displaychangelistener(DisplayChangeListener *dcl,
+ uint64_t interval)
+{
+ DisplayState *ds = dcl->ds;
+
+ dcl->update_interval = interval;
+ if (!ds->refreshing && ds->update_interval > interval) {
+ timer_mod(ds->gui_timer, ds->last_update + interval);
+ }
+}
+
+void unregister_displaychangelistener(DisplayChangeListener *dcl)
+{
+ DisplayState *ds = dcl->ds;
+ trace_displaychangelistener_unregister(dcl, dcl->ops->dpy_name);
+ if (dcl->con) {
+ dcl->con->dcls--;
+ }
+ QLIST_REMOVE(dcl, next);
+ gui_setup_refresh(ds);
+}
+
+static void dpy_set_ui_info_timer(void *opaque)
+{
+ QemuConsole *con = opaque;
+
+ con->hw_ops->ui_info(con->hw, con->head, &con->ui_info);
+}
+
+bool dpy_ui_info_supported(QemuConsole *con)
+{
+ return con->hw_ops->ui_info != NULL;
+}
+
+int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info)
+{
+ assert(con != NULL);
+ con->ui_info = *info;
+ if (!dpy_ui_info_supported(con)) {
+ return -1;
+ }
+
+ /*
+ * Typically we get a flood of these as the user resizes the window.
+ * Wait until the dust has settled (one second without updates), then
+ * go notify the guest.
+ */
+ timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000);
+ return 0;
+}
+
+void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h)
+{
+ DisplayState *s = con->ds;
+ DisplayChangeListener *dcl;
+ int width = surface_width(con->surface);
+ int height = surface_height(con->surface);
+
+ x = MAX(x, 0);
+ y = MAX(y, 0);
+ x = MIN(x, width);
+ y = MIN(y, height);
+ w = MIN(w, width - x);
+ h = MIN(h, height - y);
+
+ if (!qemu_console_is_visible(con)) {
+ return;
+ }
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (con != (dcl->con ? dcl->con : active_console)) {
+ continue;
+ }
+ if (dcl->ops->dpy_gfx_update) {
+ dcl->ops->dpy_gfx_update(dcl, x, y, w, h);
+ }
+ }
+}
+
+void dpy_gfx_replace_surface(QemuConsole *con,
+ DisplaySurface *surface)
+{
+ DisplayState *s = con->ds;
+ DisplaySurface *old_surface = con->surface;
+ DisplayChangeListener *dcl;
+
+ con->surface = surface;
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (con != (dcl->con ? dcl->con : active_console)) {
+ continue;
+ }
+ if (dcl->ops->dpy_gfx_switch) {
+ dcl->ops->dpy_gfx_switch(dcl, surface);
+ }
+ }
+ qemu_free_displaysurface(old_surface);
+}
+
+bool dpy_gfx_check_format(QemuConsole *con,
+ pixman_format_code_t format)
+{
+ DisplayChangeListener *dcl;
+ DisplayState *s = con->ds;
+
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (dcl->con && dcl->con != con) {
+ /* dcl bound to another console -> skip */
+ continue;
+ }
+ if (dcl->ops->dpy_gfx_check_format) {
+ if (!dcl->ops->dpy_gfx_check_format(dcl, format)) {
+ return false;
+ }
+ } else {
+ /* default is to whitelist native 32 bpp only */
+ if (format != qemu_default_pixman_format(32, true)) {
+ return false;
+ }
+ }
+ }
+ return true;
+}
+
+static void dpy_refresh(DisplayState *s)
+{
+ DisplayChangeListener *dcl;
+
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (dcl->ops->dpy_refresh) {
+ dcl->ops->dpy_refresh(dcl);
+ }
+ }
+}
+
+void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
+ int dst_x, int dst_y, int w, int h)
+{
+ DisplayState *s = con->ds;
+ DisplayChangeListener *dcl;
+
+ if (!qemu_console_is_visible(con)) {
+ return;
+ }
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (con != (dcl->con ? dcl->con : active_console)) {
+ continue;
+ }
+ if (dcl->ops->dpy_gfx_copy) {
+ dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
+ } else { /* TODO */
+ dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
+ }
+ }
+}
+
+void dpy_text_cursor(QemuConsole *con, int x, int y)
+{
+ DisplayState *s = con->ds;
+ DisplayChangeListener *dcl;
+
+ if (!qemu_console_is_visible(con)) {
+ return;
+ }
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (con != (dcl->con ? dcl->con : active_console)) {
+ continue;
+ }
+ if (dcl->ops->dpy_text_cursor) {
+ dcl->ops->dpy_text_cursor(dcl, x, y);
+ }
+ }
+}
+
+void dpy_text_update(QemuConsole *con, int x, int y, int w, int h)
+{
+ DisplayState *s = con->ds;
+ DisplayChangeListener *dcl;
+
+ if (!qemu_console_is_visible(con)) {
+ return;
+ }
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (con != (dcl->con ? dcl->con : active_console)) {
+ continue;
+ }
+ if (dcl->ops->dpy_text_update) {
+ dcl->ops->dpy_text_update(dcl, x, y, w, h);
+ }
+ }
+}
+
+void dpy_text_resize(QemuConsole *con, int w, int h)
+{
+ DisplayState *s = con->ds;
+ DisplayChangeListener *dcl;
+
+ if (!qemu_console_is_visible(con)) {
+ return;
+ }
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (con != (dcl->con ? dcl->con : active_console)) {
+ continue;
+ }
+ if (dcl->ops->dpy_text_resize) {
+ dcl->ops->dpy_text_resize(dcl, w, h);
+ }
+ }
+}
+
+void dpy_mouse_set(QemuConsole *con, int x, int y, int on)
+{
+ DisplayState *s = con->ds;
+ DisplayChangeListener *dcl;
+
+ if (!qemu_console_is_visible(con)) {
+ return;
+ }
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (con != (dcl->con ? dcl->con : active_console)) {
+ continue;
+ }
+ if (dcl->ops->dpy_mouse_set) {
+ dcl->ops->dpy_mouse_set(dcl, x, y, on);
+ }
+ }
+}
+
+void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor)
+{
+ DisplayState *s = con->ds;
+ DisplayChangeListener *dcl;
+
+ if (!qemu_console_is_visible(con)) {
+ return;
+ }
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (con != (dcl->con ? dcl->con : active_console)) {
+ continue;
+ }
+ if (dcl->ops->dpy_cursor_define) {
+ dcl->ops->dpy_cursor_define(dcl, cursor);
+ }
+ }
+}
+
+bool dpy_cursor_define_supported(QemuConsole *con)
+{
+ DisplayState *s = con->ds;
+ DisplayChangeListener *dcl;
+
+ QLIST_FOREACH(dcl, &s->listeners, next) {
+ if (dcl->ops->dpy_cursor_define) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/***********************************************************/
+/* register display */
+
+/* console.c internal use only */
+static DisplayState *get_alloc_displaystate(void)
+{
+ if (!display_state) {
+ display_state = g_new0(DisplayState, 1);
+ cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
+ text_console_update_cursor, NULL);
+ }
+ return display_state;
+}
+
+/*
+ * Called by main(), after creating QemuConsoles
+ * and before initializing ui (sdl/vnc/...).
+ */
+DisplayState *init_displaystate(void)
+{
+ gchar *name;
+ int i;
+
+ get_alloc_displaystate();
+ for (i = 0; i < nb_consoles; i++) {
+ if (consoles[i]->console_type != GRAPHIC_CONSOLE &&
+ consoles[i]->ds == NULL) {
+ text_console_do_init(consoles[i]->chr, display_state);
+ }
+
+ /* Hook up into the qom tree here (not in new_console()), once
+ * all QemuConsoles are created and the order / numbering
+ * doesn't change any more */
+ name = g_strdup_printf("console[%d]", i);
+ object_property_add_child(container_get(object_get_root(), "/backend"),
+ name, OBJECT(consoles[i]), &error_abort);
+ g_free(name);
+ }
+
+ return display_state;
+}
+
+void graphic_console_set_hwops(QemuConsole *con,
+ const GraphicHwOps *hw_ops,
+ void *opaque)
+{
+ con->hw_ops = hw_ops;
+ con->hw = opaque;
+}
+
+QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
+ const GraphicHwOps *hw_ops,
+ void *opaque)
+{
+ static const char noinit[] =
+ "Guest has not initialized the display (yet).";
+ int width = 640;
+ int height = 480;
+ QemuConsole *s;
+ DisplayState *ds;
+
+ ds = get_alloc_displaystate();
+ trace_console_gfx_new();
+ s = new_console(ds, GRAPHIC_CONSOLE, head);
+ s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s);
+ graphic_console_set_hwops(s, hw_ops, opaque);
+ if (dev) {
+ object_property_set_link(OBJECT(s), OBJECT(dev), "device",
+ &error_abort);
+ }
+
+ s->surface = qemu_create_message_surface(width, height, noinit);
+ return s;
+}
+
+QemuConsole *qemu_console_lookup_by_index(unsigned int index)
+{
+ if (index >= nb_consoles) {
+ return NULL;
+ }
+ return consoles[index];
+}
+
+QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head)
+{
+ Object *obj;
+ uint32_t h;
+ int i;
+
+ for (i = 0; i < nb_consoles; i++) {
+ if (!consoles[i]) {
+ continue;
+ }
+ obj = object_property_get_link(OBJECT(consoles[i]),
+ "device", &error_abort);
+ if (DEVICE(obj) != dev) {
+ continue;
+ }
+ h = object_property_get_int(OBJECT(consoles[i]),
+ "head", &error_abort);
+ if (h != head) {
+ continue;
+ }
+ return consoles[i];
+ }
+ return NULL;
+}
+
+bool qemu_console_is_visible(QemuConsole *con)
+{
+ return (con == active_console) || (con->dcls > 0);
+}
+
+bool qemu_console_is_graphic(QemuConsole *con)
+{
+ if (con == NULL) {
+ con = active_console;
+ }
+ return con && (con->console_type == GRAPHIC_CONSOLE);
+}
+
+bool qemu_console_is_fixedsize(QemuConsole *con)
+{
+ if (con == NULL) {
+ con = active_console;
+ }
+ return con && (con->console_type != TEXT_CONSOLE);
+}
+
+char *qemu_console_get_label(QemuConsole *con)
+{
+ if (con->console_type == GRAPHIC_CONSOLE) {
+ if (con->device) {
+ return g_strdup(object_get_typename(con->device));
+ }
+ return g_strdup("VGA");
+ } else {
+ if (con->chr && con->chr->label) {
+ return g_strdup(con->chr->label);
+ }
+ return g_strdup_printf("vc%d", con->index);
+ }
+}
+
+int qemu_console_get_index(QemuConsole *con)
+{
+ if (con == NULL) {
+ con = active_console;
+ }
+ return con ? con->index : -1;
+}
+
+uint32_t qemu_console_get_head(QemuConsole *con)
+{
+ if (con == NULL) {
+ con = active_console;
+ }
+ return con ? con->head : -1;
+}
+
+QemuUIInfo *qemu_console_get_ui_info(QemuConsole *con)
+{
+ assert(con != NULL);
+ return &con->ui_info;
+}
+
+int qemu_console_get_width(QemuConsole *con, int fallback)
+{
+ if (con == NULL) {
+ con = active_console;
+ }
+ return con ? surface_width(con->surface) : fallback;
+}
+
+int qemu_console_get_height(QemuConsole *con, int fallback)
+{
+ if (con == NULL) {
+ con = active_console;
+ }
+ return con ? surface_height(con->surface) : fallback;
+}
+
+static void text_console_set_echo(CharDriverState *chr, bool echo)
+{
+ QemuConsole *s = chr->opaque;
+
+ s->echo = echo;
+}
+
+static void text_console_update_cursor_timer(void)
+{
+ timer_mod(cursor_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME)
+ + CONSOLE_CURSOR_PERIOD / 2);
+}
+
+static void text_console_update_cursor(void *opaque)
+{
+ QemuConsole *s;
+ int i, count = 0;
+
+ cursor_visible_phase = !cursor_visible_phase;
+
+ for (i = 0; i < nb_consoles; i++) {
+ s = consoles[i];
+ if (qemu_console_is_graphic(s) ||
+ !qemu_console_is_visible(s)) {
+ continue;
+ }
+ count++;
+ graphic_hw_invalidate(s);
+ }
+
+ if (count) {
+ text_console_update_cursor_timer();
+ }
+}
+
+static const GraphicHwOps text_console_ops = {
+ .invalidate = text_console_invalidate,
+ .text_update = text_console_update,
+};
+
+static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
+{
+ QemuConsole *s;
+ int g_width = 80 * FONT_WIDTH;
+ int g_height = 24 * FONT_HEIGHT;
+
+ s = chr->opaque;
+
+ chr->chr_write = console_puts;
+
+ s->out_fifo.buf = s->out_fifo_buf;
+ s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
+ s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
+ s->ds = ds;
+
+ s->y_displayed = 0;
+ s->y_base = 0;
+ s->total_height = DEFAULT_BACKSCROLL;
+ s->x = 0;
+ s->y = 0;
+ if (!s->surface) {
+ if (active_console && active_console->surface) {
+ g_width = surface_width(active_console->surface);
+ g_height = surface_height(active_console->surface);
+ }
+ s->surface = qemu_create_displaysurface(g_width, g_height);
+ }
+
+ s->hw_ops = &text_console_ops;
+ s->hw = s;
+
+ /* Set text attribute defaults */
+ s->t_attrib_default.bold = 0;
+ s->t_attrib_default.uline = 0;
+ s->t_attrib_default.blink = 0;
+ s->t_attrib_default.invers = 0;
+ s->t_attrib_default.unvisible = 0;
+ s->t_attrib_default.fgcol = COLOR_WHITE;
+ s->t_attrib_default.bgcol = COLOR_BLACK;
+ /* set current text attributes to default */
+ s->t_attrib = s->t_attrib_default;
+ text_console_resize(s);
+
+ if (chr->label) {
+ char msg[128];
+ int len;
+
+ s->t_attrib.bgcol = COLOR_BLUE;
+ len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
+ console_puts(chr, (uint8_t*)msg, len);
+ s->t_attrib = s->t_attrib_default;
+ }
+
+ qemu_chr_be_generic_open(chr);
+ if (chr->init)
+ chr->init(chr);
+}
+
+static CharDriverState *text_console_init(ChardevVC *vc)
+{
+ CharDriverState *chr;
+ QemuConsole *s;
+ unsigned width = 0;
+ unsigned height = 0;
+
+ chr = qemu_chr_alloc();
+
+ if (vc->has_width) {
+ width = vc->width;
+ } else if (vc->has_cols) {
+ width = vc->cols * FONT_WIDTH;
+ }
+
+ if (vc->has_height) {
+ height = vc->height;
+ } else if (vc->has_rows) {
+ height = vc->rows * FONT_HEIGHT;
+ }
+
+ trace_console_txt_new(width, height);
+ if (width == 0 || height == 0) {
+ s = new_console(NULL, TEXT_CONSOLE, 0);
+ } else {
+ s = new_console(NULL, TEXT_CONSOLE_FIXED_SIZE, 0);
+ s->surface = qemu_create_displaysurface(width, height);
+ }
+
+ if (!s) {
+ g_free(chr);
+ return NULL;
+ }
+
+ s->chr = chr;
+ chr->opaque = s;
+ chr->chr_set_echo = text_console_set_echo;
+ /* console/chardev init sometimes completes elsewhere in a 2nd
+ * stage, so defer OPENED events until they are fully initialized
+ */
+ chr->explicit_be_open = true;
+
+ if (display_state) {
+ text_console_do_init(chr, display_state);
+ }
+ return chr;
+}
+
+static VcHandler *vc_handler = text_console_init;
+
+CharDriverState *vc_init(ChardevVC *vc)
+{
+ return vc_handler(vc);
+}
+
+void register_vc_handler(VcHandler *handler)
+{
+ vc_handler = handler;
+}
+
+void qemu_console_resize(QemuConsole *s, int width, int height)
+{
+ DisplaySurface *surface;
+
+ assert(s->console_type == GRAPHIC_CONSOLE);
+ surface = qemu_create_displaysurface(width, height);
+ dpy_gfx_replace_surface(s, surface);
+}
+
+void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
+ int dst_x, int dst_y, int w, int h)
+{
+ assert(con->console_type == GRAPHIC_CONSOLE);
+ dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
+}
+
+DisplaySurface *qemu_console_surface(QemuConsole *console)
+{
+ return console->surface;
+}
+
+PixelFormat qemu_default_pixelformat(int bpp)
+{
+ pixman_format_code_t fmt = qemu_default_pixman_format(bpp, true);
+ PixelFormat pf = qemu_pixelformat_from_pixman(fmt);
+ return pf;
+}
+
+static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
+ Error **errp)
+{
+ int val;
+
+ backend->vc = g_new0(ChardevVC, 1);
+
+ val = qemu_opt_get_number(opts, "width", 0);
+ if (val != 0) {
+ backend->vc->has_width = true;
+ backend->vc->width = val;
+ }
+
+ val = qemu_opt_get_number(opts, "height", 0);
+ if (val != 0) {
+ backend->vc->has_height = true;
+ backend->vc->height = val;
+ }
+
+ val = qemu_opt_get_number(opts, "cols", 0);
+ if (val != 0) {
+ backend->vc->has_cols = true;
+ backend->vc->cols = val;
+ }
+
+ val = qemu_opt_get_number(opts, "rows", 0);
+ if (val != 0) {
+ backend->vc->has_rows = true;
+ backend->vc->rows = val;
+ }
+}
+
+static const TypeInfo qemu_console_info = {
+ .name = TYPE_QEMU_CONSOLE,
+ .parent = TYPE_OBJECT,
+ .instance_size = sizeof(QemuConsole),
+ .class_size = sizeof(QemuConsoleClass),
+};
+
+
+static void register_types(void)
+{
+ type_register_static(&qemu_console_info);
+ register_char_driver("vc", CHARDEV_BACKEND_KIND_VC, qemu_chr_parse_vc);
+}
+
+type_init(register_types);
Code Review / kvmfornfv.git / blobdiff