/* * 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/osdep.h" #include "ui/console.h" #include "hw/qdev-core.h" #include "qapi/error.h" #include "qapi/qapi-commands-ui.h" #include "qemu/module.h" #include "qemu/option.h" #include "qemu/timer.h" #include "chardev/char-fe.h" #include "trace.h" #include "exec/memory.h" #include "io/channel-file.h" #include "qom/object.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; bool gl_block; int window_id; /* 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; Chardev *chr; /* fifo for key pressed */ QEMUFIFO out_fifo; uint8_t out_fifo_buf[16]; QEMUTimer *kbd_timer; CoQueue dump_queue; QTAILQ_ENTRY(QemuConsole) next; }; 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 QTAILQ_HEAD(, QemuConsole) consoles = QTAILQ_HEAD_INITIALIZER(consoles); static bool cursor_visible_phase; static QEMUTimer *cursor_timer; static void text_console_do_init(Chardev *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; QemuConsole *con; 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; QTAILQ_FOREACH(con, &consoles, next) { if (con->hw_ops->update_interval) { con->hw_ops->update_interval(con->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_done(QemuConsole *con) { qemu_co_queue_restart_all(&con->dump_queue); } void graphic_hw_update(QemuConsole *con) { bool async = false; con = con ? con : active_console; if (!con) { return; } if (con->hw_ops->gfx_update) { con->hw_ops->gfx_update(con->hw); async = con->hw_ops->gfx_update_async; } if (!async) { graphic_hw_update_done(con); } } void graphic_hw_gl_block(QemuConsole *con, bool block) { assert(con != NULL); con->gl_block = block; if (con->hw_ops->gl_block) { con->hw_ops->gl_block(con->hw, block); } } int qemu_console_get_window_id(QemuConsole *con) { return con->window_id; } void qemu_console_set_window_id(QemuConsole *con, int window_id) { con->window_id = window_id; } void graphic_hw_invalidate(QemuConsole *con) { if (!con) { con = active_console; } if (con && con->hw_ops->invalidate) { con->hw_ops->invalidate(con->hw); } } static bool ppm_save(int fd, pixman_image_t *image, Error **errp) { int width = pixman_image_get_width(image); int height = pixman_image_get_height(image); g_autoptr(Object) ioc = OBJECT(qio_channel_file_new_fd(fd)); g_autofree char *header = NULL; g_autoptr(pixman_image_t) linebuf = NULL; int y; trace_ppm_save(fd, image); header = g_strdup_printf("P6\n%d %d\n%d\n", width, height, 255); if (qio_channel_write_all(QIO_CHANNEL(ioc), header, strlen(header), errp) < 0) { return false; } linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width); for (y = 0; y < height; y++) { qemu_pixman_linebuf_fill(linebuf, image, width, 0, y); if (qio_channel_write_all(QIO_CHANNEL(ioc), (char *)pixman_image_get_data(linebuf), pixman_image_get_stride(linebuf), errp) < 0) { return false; } } return true; } static void graphic_hw_update_bh(void *con) { graphic_hw_update(con); } /* Safety: coroutine-only, concurrent-coroutine safe, main thread only */ void coroutine_fn qmp_screendump(const char *filename, bool has_device, const char *device, bool has_head, int64_t head, Error **errp) { g_autoptr(pixman_image_t) image = NULL; QemuConsole *con; DisplaySurface *surface; int fd; if (has_device) { con = qemu_console_lookup_by_device_name(device, has_head ? head : 0, errp); if (!con) { return; } } else { if (has_head) { error_setg(errp, "'head' must be specified together with 'device'"); return; } con = qemu_console_lookup_by_index(0); if (!con) { error_setg(errp, "There is no console to take a screendump from"); return; } } if (qemu_co_queue_empty(&con->dump_queue)) { /* Defer the update, it will restart the pending coroutines */ aio_bh_schedule_oneshot(qemu_get_aio_context(), graphic_hw_update_bh, con); } qemu_co_queue_wait(&con->dump_queue, NULL); /* * All pending coroutines are woken up, while the BQL is held. No * further graphic update are possible until it is released. Take * an image ref before that. */ surface = qemu_console_surface(con); if (!surface) { error_setg(errp, "no surface"); return; } image = pixman_image_ref(surface->image); fd = qemu_open_old(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; } /* * The image content could potentially be updated as the coroutine * yields and releases the BQL. It could produce corrupted dump, but * it should be otherwise safe. */ if (!ppm_save(fd, image, errp)) { qemu_unlink(filename); } } 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" #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_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */ [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xaa), /* blue */ [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xaa, 0x00), /* green */ [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */ [QEMU_COLOR_RED] = QEMU_RGB(0xaa, 0x00, 0x00), /* red */ [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */ [QEMU_COLOR_YELLOW] = QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */ [QEMU_COLOR_WHITE] = QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */ }, { /* bright */ [QEMU_COLOR_BLACK] = QEMU_RGB(0x00, 0x00, 0x00), /* black */ [QEMU_COLOR_BLUE] = QEMU_RGB(0x00, 0x00, 0xff), /* blue */ [QEMU_COLOR_GREEN] = QEMU_RGB(0x00, 0xff, 0x00), /* green */ [QEMU_COLOR_CYAN] = QEMU_RGB(0x00, 0xff, 0xff), /* cyan */ [QEMU_COLOR_RED] = QEMU_RGB(0xff, 0x00, 0x00), /* red */ [QEMU_COLOR_MAGENTA] = QEMU_RGB(0xff, 0x00, 0xff), /* magenta */ [QEMU_COLOR_YELLOW] = QEMU_RGB(0xff, 0xff, 0x00), /* yellow */ [QEMU_COLOR_WHITE] = 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 + 1); 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) { if (x >= s->width) { x = s->width - 1; } 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][QEMU_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; inb_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 = QEMU_COLOR_BLACK; break; case 31: s->t_attrib.fgcol = QEMU_COLOR_RED; break; case 32: s->t_attrib.fgcol = QEMU_COLOR_GREEN; break; case 33: s->t_attrib.fgcol = QEMU_COLOR_YELLOW; break; case 34: s->t_attrib.fgcol = QEMU_COLOR_BLUE; break; case 35: s->t_attrib.fgcol = QEMU_COLOR_MAGENTA; break; case 36: s->t_attrib.fgcol = QEMU_COLOR_CYAN; break; case 37: s->t_attrib.fgcol = QEMU_COLOR_WHITE; break; /* set background color */ case 40: s->t_attrib.bgcol = QEMU_COLOR_BLACK; break; case 41: s->t_attrib.bgcol = QEMU_COLOR_RED; break; case 42: s->t_attrib.bgcol = QEMU_COLOR_GREEN; break; case 43: s->t_attrib.bgcol = QEMU_COLOR_YELLOW; break; case 44: s->t_attrib.bgcol = QEMU_COLOR_BLUE; break; case 45: s->t_attrib.bgcol = QEMU_COLOR_MAGENTA; break; case 46: s->t_attrib.bgcol = QEMU_COLOR_CYAN; break; case 47: s->t_attrib.bgcol = QEMU_COLOR_WHITE; break; } } } static void console_clear_xy(QemuConsole *s, int x, int y) { int y1 = (s->y_base + y) % s->total_height; if (x >= s->width) { x = s->width - 1; } TextCell *c = &s->cells[y1 * s->width + x]; c->ch = ' '; c->t_attrib = s->t_attrib_default; update_xy(s, x, y); } static void console_put_one(QemuConsole *s, int ch) { TextCell *c; int y1; 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++; } static void console_respond_str(QemuConsole *s, const char *buf) { while (*buf) { console_put_one(s, *buf); buf++; } } /* 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) { int i; int x, y; char response[40]; 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: console_put_one(s, ch); break; } break; case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ if (ch == '[') { for(i=0;iesc_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 == ';' || 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 < s->width; 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': switch (s->esc_params[0]) { case 5: /* report console status (always succeed)*/ console_respond_str(s, "\033[0n"); break; case 6: /* report cursor position */ sprintf(response, "\033[%d;%dR", (s->y_base + s->y) % s->total_height + 1, s->x + 1); console_respond_str(s, response); break; } 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); } } if (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); } } struct VCChardev { Chardev parent; QemuConsole *console; }; typedef struct VCChardev VCChardev; #define TYPE_CHARDEV_VC "chardev-vc" DECLARE_INSTANCE_CHECKER(VCChardev, VC_CHARDEV, TYPE_CHARDEV_VC) static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len) { VCChardev *drv = VC_CHARDEV(chr); QemuConsole *s = drv->console; int i; if (!s->ds) { return 0; } 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; CharBackend *be; 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')) { vc_chr_write(s->chr, (const uint8_t *) "\r", 1); *q++ = '\n'; } else { *q++ = keysym; } if (s->echo) { vc_chr_write(s->chr, buf, q - buf); } be = s->chr->be; if (be && be->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, [Q_KEY_CODE_BACKSPACE] = QEMU_KEY_BACKSPACE, }; static const int ctrl_qcode_to_keysym[Q_KEY_CODE__MAX] = { [Q_KEY_CODE_UP] = QEMU_KEY_CTRL_UP, [Q_KEY_CODE_DOWN] = QEMU_KEY_CTRL_DOWN, [Q_KEY_CODE_RIGHT] = QEMU_KEY_CTRL_RIGHT, [Q_KEY_CODE_LEFT] = QEMU_KEY_CTRL_LEFT, [Q_KEY_CODE_HOME] = QEMU_KEY_CTRL_HOME, [Q_KEY_CODE_END] = QEMU_KEY_CTRL_END, [Q_KEY_CODE_PGUP] = QEMU_KEY_CTRL_PAGEUP, [Q_KEY_CODE_PGDN] = QEMU_KEY_CTRL_PAGEDOWN, }; bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl) { int keysym; keysym = ctrl ? ctrl_qcode_to_keysym[qcode] : 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 ++, ATTR2CHTYPE(s->cells[src].ch, s->cells[src].t_attrib.fgcol, s->cells[src].t_attrib.bgcol, s->cells[src].t_attrib.bold)); } 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); qemu_co_queue_init(&s->dump_queue); s->head = head; object_property_add_link(obj, "device", TYPE_DEVICE, (Object **)&s->device, object_property_allow_set_link, OBJ_PROP_LINK_STRONG); object_property_add_uint32_ptr(obj, "head", &s->head, OBJ_PROP_FLAG_READ); if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) && (console_type == GRAPHIC_CONSOLE))) { active_console = s; } s->ds = ds; s->console_type = console_type; s->window_id = -1; if (QTAILQ_EMPTY(&consoles)) { s->index = 0; QTAILQ_INSERT_TAIL(&consoles, s, next); } else if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) { QemuConsole *last = QTAILQ_LAST(&consoles); s->index = last->index + 1; QTAILQ_INSERT_TAIL(&consoles, s, next); } else { /* * HACK: Put graphical consoles before text consoles. * * Only do that for coldplugged devices. After initial device * initialization we will not renumber the consoles any more. */ QemuConsole *c = QTAILQ_FIRST(&consoles); while (QTAILQ_NEXT(c, next) != NULL && c->console_type == GRAPHIC_CONSOLE) { c = QTAILQ_NEXT(c, next); } if (c->console_type == GRAPHIC_CONSOLE) { /* have no text consoles */ s->index = c->index + 1; QTAILQ_INSERT_AFTER(&consoles, c, s, next); } else { s->index = c->index; QTAILQ_INSERT_BEFORE(c, s, next); /* renumber text consoles */ for (i = s->index + 1; c != NULL; c = QTAILQ_NEXT(c, next), i++) { c->index = i; } } } 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; } DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image) { DisplaySurface *surface = g_new0(DisplaySurface, 1); trace_displaysurface_create_pixman(surface); surface->format = pixman_image_get_format(image); surface->image = pixman_image_ref(image); return surface; } 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][QEMU_COLOR_BLACK]; pixman_color_t fg = color_table_rgb[0][QEMU_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; } bool console_has_gl_dmabuf(QemuConsole *con) { return con->gl != NULL && con->gl->ops->dpy_gl_scanout_dmabuf != NULL; } void register_displaychangelistener(DisplayChangeListener *dcl) { static const char nodev[] = "This VM has no graphic display device."; static DisplaySurface *dummy; QemuConsole *con; assert(!dcl->ds); 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); dcl->ds = NULL; 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; } const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con) { assert(con != NULL); return &con->ui_info; } int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) { assert(con != NULL); if (!dpy_ui_info_supported(con)) { return -1; } if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) { /* nothing changed -- ignore */ return 0; } /* * 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. */ con->ui_info = *info; 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_update_full(QemuConsole *con) { if (!con->surface) { return; } dpy_gfx_update(con, 0, 0, surface_width(con->surface), surface_height(con->surface)); } void dpy_gfx_replace_surface(QemuConsole *con, DisplaySurface *surface) { DisplayState *s = con->ds; DisplaySurface *old_surface = con->surface; DisplayChangeListener *dcl; assert(old_surface != surface || surface == NULL); 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_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_disable(QemuConsole *con) { assert(con->gl); if (con->gl->ops->dpy_gl_scanout_disable) { con->gl->ops->dpy_gl_scanout_disable(con->gl); } else { con->gl->ops->dpy_gl_scanout_texture(con->gl, 0, false, 0, 0, 0, 0, 0, 0); } } void dpy_gl_scanout_texture(QemuConsole *con, uint32_t backing_id, bool backing_y_0_top, uint32_t backing_width, uint32_t backing_height, uint32_t x, uint32_t y, uint32_t width, uint32_t height) { assert(con->gl); con->gl->ops->dpy_gl_scanout_texture(con->gl, backing_id, backing_y_0_top, backing_width, backing_height, x, y, width, height); } void dpy_gl_scanout_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf) { assert(con->gl); con->gl->ops->dpy_gl_scanout_dmabuf(con->gl, dmabuf); } void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf, bool have_hot, uint32_t hot_x, uint32_t hot_y) { assert(con->gl); if (con->gl->ops->dpy_gl_cursor_dmabuf) { con->gl->ops->dpy_gl_cursor_dmabuf(con->gl, dmabuf, have_hot, hot_x, hot_y); } } void dpy_gl_cursor_position(QemuConsole *con, uint32_t pos_x, uint32_t pos_y) { assert(con->gl); if (con->gl->ops->dpy_gl_cursor_position) { con->gl->ops->dpy_gl_cursor_position(con->gl, pos_x, pos_y); } } void dpy_gl_release_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf) { assert(con->gl); if (con->gl->ops->dpy_gl_release_dmabuf) { con->gl->ops->dpy_gl_release_dmabuf(con->gl, dmabuf); } } 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; QemuConsole *con; get_alloc_displaystate(); QTAILQ_FOREACH(con, &consoles, next) { if (con->console_type != GRAPHIC_CONSOLE && con->ds == NULL) { text_console_do_init(con->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]", con->index); object_property_add_child(container_get(object_get_root(), "/backend"), name, OBJECT(con)); 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; DisplaySurface *surface; ds = get_alloc_displaystate(); s = qemu_console_lookup_unused(); if (s) { trace_console_gfx_reuse(s->index); if (s->surface) { width = surface_width(s->surface); height = surface_height(s->surface); } } else { 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), "device", OBJECT(dev), &error_abort); } surface = qemu_create_message_surface(width, height, noinit); dpy_gfx_replace_surface(s, surface); return s; } static const GraphicHwOps unused_ops = { /* no callbacks */ }; void graphic_console_close(QemuConsole *con) { static const char unplugged[] = "Guest display has been unplugged"; DisplaySurface *surface; int width = 640; int height = 480; if (con->surface) { width = surface_width(con->surface); height = surface_height(con->surface); } trace_console_gfx_close(con->index); object_property_set_link(OBJECT(con), "device", NULL, &error_abort); graphic_console_set_hwops(con, &unused_ops, NULL); if (con->gl) { dpy_gl_scanout_disable(con); } surface = qemu_create_message_surface(width, height, unplugged); dpy_gfx_replace_surface(con, surface); } QemuConsole *qemu_console_lookup_by_index(unsigned int index) { QemuConsole *con; QTAILQ_FOREACH(con, &consoles, next) { if (con->index == index) { return con; } } return NULL; } QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head) { QemuConsole *con; Object *obj; uint32_t h; QTAILQ_FOREACH(con, &consoles, next) { obj = object_property_get_link(OBJECT(con), "device", &error_abort); if (DEVICE(obj) != dev) { continue; } h = object_property_get_uint(OBJECT(con), "head", &error_abort); if (h != head) { continue; } return con; } return NULL; } QemuConsole *qemu_console_lookup_by_device_name(const char *device_id, uint32_t head, Error **errp) { DeviceState *dev; QemuConsole *con; dev = qdev_find_recursive(sysbus_get_default(), device_id); if (dev == NULL) { error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, "Device '%s' not found", device_id); return NULL; } con = qemu_console_lookup_by_device(dev, head); if (con == NULL) { error_setg(errp, "Device %s (head %d) is not bound to a QemuConsole", device_id, head); return NULL; } return con; } QemuConsole *qemu_console_lookup_unused(void) { QemuConsole *con; Object *obj; QTAILQ_FOREACH(con, &consoles, next) { if (con->hw_ops != &unused_ops) { continue; } obj = object_property_get_link(OBJECT(con), "device", &error_abort); if (obj != NULL) { continue; } return con; } 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); } bool qemu_console_is_gl_blocked(QemuConsole *con) { assert(con != NULL); return con->gl_block; } 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 vc_chr_set_echo(Chardev *chr, bool echo) { VCChardev *drv = VC_CHARDEV(chr); QemuConsole *s = drv->console; 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 count = 0; cursor_visible_phase = !cursor_visible_phase; QTAILQ_FOREACH(s, &consoles, next) { 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(Chardev *chr, DisplayState *ds) { VCChardev *drv = VC_CHARDEV(chr); QemuConsole *s = drv->console; int g_width = 80 * FONT_WIDTH; int g_height = 24 * FONT_HEIGHT; 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 = QEMU_COLOR_WHITE; s->t_attrib_default.bgcol = QEMU_COLOR_BLACK; /* set current text attributes to default */ s->t_attrib = s->t_attrib_default; text_console_resize(s); if (chr->label) { char *msg; s->t_attrib.bgcol = QEMU_COLOR_BLUE; msg = g_strdup_printf("%s console\r\n", chr->label); vc_chr_write(chr, (uint8_t *)msg, strlen(msg)); g_free(msg); s->t_attrib = s->t_attrib_default; } qemu_chr_be_event(chr, CHR_EVENT_OPENED); } static void vc_chr_open(Chardev *chr, ChardevBackend *backend, bool *be_opened, Error **errp) { ChardevVC *vc = backend->u.vc.data; VCChardev *drv = VC_CHARDEV(chr); QemuConsole *s; unsigned width = 0; unsigned height = 0; 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) { error_setg(errp, "cannot create text console"); return; } s->chr = chr; drv->console = s; if (display_state) { text_console_do_init(chr, display_state); } /* console/chardev init sometimes completes elsewhere in a 2nd * stage, so defer OPENED events until they are fully initialized */ *be_opened = false; } void qemu_console_resize(QemuConsole *s, int width, int height) { DisplaySurface *surface; assert(s->console_type == GRAPHIC_CONSOLE); if (s->surface && (s->surface->flags & QEMU_ALLOCATED_FLAG) && pixman_image_get_width(s->surface->image) == width && pixman_image_get_height(s->surface->image) == height) { return; } surface = qemu_create_displaysurface(width, height); dpy_gfx_replace_surface(s, surface); } 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 QemuDisplay *dpys[DISPLAY_TYPE__MAX]; void qemu_display_register(QemuDisplay *ui) { assert(ui->type < DISPLAY_TYPE__MAX); dpys[ui->type] = ui; } bool qemu_display_find_default(DisplayOptions *opts) { static DisplayType prio[] = { DISPLAY_TYPE_GTK, DISPLAY_TYPE_SDL, DISPLAY_TYPE_COCOA }; int i; for (i = 0; i < ARRAY_SIZE(prio); i++) { if (dpys[prio[i]] == NULL) { ui_module_load_one(DisplayType_str(prio[i])); } if (dpys[prio[i]] == NULL) { continue; } opts->type = prio[i]; return true; } return false; } void qemu_display_early_init(DisplayOptions *opts) { assert(opts->type < DISPLAY_TYPE__MAX); if (opts->type == DISPLAY_TYPE_NONE) { return; } if (dpys[opts->type] == NULL) { ui_module_load_one(DisplayType_str(opts->type)); } if (dpys[opts->type] == NULL) { error_report("Display '%s' is not available.", DisplayType_str(opts->type)); exit(1); } if (dpys[opts->type]->early_init) { dpys[opts->type]->early_init(opts); } } void qemu_display_init(DisplayState *ds, DisplayOptions *opts) { assert(opts->type < DISPLAY_TYPE__MAX); if (opts->type == DISPLAY_TYPE_NONE) { return; } assert(dpys[opts->type] != NULL); dpys[opts->type]->init(ds, opts); } void qemu_display_help(void) { int idx; printf("Available display backend types:\n"); printf("none\n"); for (idx = DISPLAY_TYPE_NONE; idx < DISPLAY_TYPE__MAX; idx++) { if (!dpys[idx]) { ui_module_load_one(DisplayType_str(idx)); } if (dpys[idx]) { printf("%s\n", DisplayType_str(dpys[idx]->type)); } } } void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend, Error **errp) { int val; ChardevVC *vc; backend->type = CHARDEV_BACKEND_KIND_VC; vc = backend->u.vc.data = g_new0(ChardevVC, 1); qemu_chr_parse_common(opts, qapi_ChardevVC_base(vc)); val = qemu_opt_get_number(opts, "width", 0); if (val != 0) { vc->has_width = true; vc->width = val; } val = qemu_opt_get_number(opts, "height", 0); if (val != 0) { vc->has_height = true; vc->height = val; } val = qemu_opt_get_number(opts, "cols", 0); if (val != 0) { vc->has_cols = true; vc->cols = val; } val = qemu_opt_get_number(opts, "rows", 0); if (val != 0) { vc->has_rows = true; 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 char_vc_class_init(ObjectClass *oc, void *data) { ChardevClass *cc = CHARDEV_CLASS(oc); cc->parse = qemu_chr_parse_vc; cc->open = vc_chr_open; cc->chr_write = vc_chr_write; cc->chr_set_echo = vc_chr_set_echo; } static const TypeInfo char_vc_type_info = { .name = TYPE_CHARDEV_VC, .parent = TYPE_CHARDEV, .instance_size = sizeof(VCChardev), .class_init = char_vc_class_init, }; void qemu_console_early_init(void) { /* set the default vc driver */ if (!object_class_by_name(TYPE_CHARDEV_VC)) { type_register(&char_vc_type_info); } } static void register_types(void) { type_register_static(&qemu_console_info); } type_init(register_types);