|  | /* | 
|  | * 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; | 
|  | DisplayChangeListener *gl; | 
|  |  | 
|  | /* 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_new(TextCell, s->width * s->total_height); | 
|  | 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); | 
|  | } | 
|  |  | 
|  | bool console_has_gl(QemuConsole *con) | 
|  | { | 
|  | return con->gl != NULL; | 
|  | } | 
|  |  | 
|  | void register_displaychangelistener(DisplayChangeListener *dcl) | 
|  | { | 
|  | static const char nodev[] = | 
|  | "This VM has no graphic display device."; | 
|  | static DisplaySurface *dummy; | 
|  | QemuConsole *con; | 
|  |  | 
|  | if (dcl->ops->dpy_gl_ctx_create) { | 
|  | /* display has opengl support */ | 
|  | assert(dcl->con); | 
|  | if (dcl->con->gl) { | 
|  | fprintf(stderr, "can't register two opengl displays (%s, %s)\n", | 
|  | dcl->ops->dpy_name, dcl->con->gl->ops->dpy_name); | 
|  | exit(1); | 
|  | } | 
|  | dcl->con->gl = dcl; | 
|  | } | 
|  |  | 
|  | 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 = w; | 
|  | int height = h; | 
|  |  | 
|  | if (con->surface) { | 
|  | width = surface_width(con->surface); | 
|  | 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; | 
|  | } | 
|  |  | 
|  | QEMUGLContext dpy_gl_ctx_create(QemuConsole *con, | 
|  | struct QEMUGLParams *qparams) | 
|  | { | 
|  | assert(con->gl); | 
|  | return con->gl->ops->dpy_gl_ctx_create(con->gl, qparams); | 
|  | } | 
|  |  | 
|  | void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx) | 
|  | { | 
|  | assert(con->gl); | 
|  | con->gl->ops->dpy_gl_ctx_destroy(con->gl, ctx); | 
|  | } | 
|  |  | 
|  | int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx) | 
|  | { | 
|  | assert(con->gl); | 
|  | return con->gl->ops->dpy_gl_ctx_make_current(con->gl, ctx); | 
|  | } | 
|  |  | 
|  | QEMUGLContext dpy_gl_ctx_get_current(QemuConsole *con) | 
|  | { | 
|  | assert(con->gl); | 
|  | return con->gl->ops->dpy_gl_ctx_get_current(con->gl); | 
|  | } | 
|  |  | 
|  | void dpy_gl_scanout(QemuConsole *con, | 
|  | uint32_t backing_id, bool backing_y_0_top, | 
|  | uint32_t x, uint32_t y, uint32_t width, uint32_t height) | 
|  | { | 
|  | assert(con->gl); | 
|  | con->gl->ops->dpy_gl_scanout(con->gl, backing_id, | 
|  | backing_y_0_top, | 
|  | x, y, width, height); | 
|  | } | 
|  |  | 
|  | void dpy_gl_update(QemuConsole *con, | 
|  | uint32_t x, uint32_t y, uint32_t w, uint32_t h) | 
|  | { | 
|  | assert(con->gl); | 
|  | con->gl->ops->dpy_gl_update(con->gl, x, y, w, h); | 
|  | } | 
|  |  | 
|  | /***********************************************************/ | 
|  | /* 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, Error **errp) | 
|  | { | 
|  | 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); | 
|  | error_setg(errp, "cannot create text console"); | 
|  | 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; | 
|  |  | 
|  | static CharDriverState *vc_init(const char *id, ChardevBackend *backend, | 
|  | ChardevReturn *ret, Error **errp) | 
|  | { | 
|  | return vc_handler(backend->u.vc, errp); | 
|  | } | 
|  |  | 
|  | 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->u.vc = g_new0(ChardevVC, 1); | 
|  |  | 
|  | val = qemu_opt_get_number(opts, "width", 0); | 
|  | if (val != 0) { | 
|  | backend->u.vc->has_width = true; | 
|  | backend->u.vc->width = val; | 
|  | } | 
|  |  | 
|  | val = qemu_opt_get_number(opts, "height", 0); | 
|  | if (val != 0) { | 
|  | backend->u.vc->has_height = true; | 
|  | backend->u.vc->height = val; | 
|  | } | 
|  |  | 
|  | val = qemu_opt_get_number(opts, "cols", 0); | 
|  | if (val != 0) { | 
|  | backend->u.vc->has_cols = true; | 
|  | backend->u.vc->cols = val; | 
|  | } | 
|  |  | 
|  | val = qemu_opt_get_number(opts, "rows", 0); | 
|  | if (val != 0) { | 
|  | backend->u.vc->has_rows = true; | 
|  | backend->u.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, | 
|  | vc_init); | 
|  | } | 
|  |  | 
|  | type_init(register_types); |