diff --git a/ui/console-priv.h b/ui/console-priv.h new file mode 100644 index 0000000000..88569ed2cc --- /dev/null +++ b/ui/console-priv.h @@ -0,0 +1,43 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + * QEMU UI Console + */ +#ifndef CONSOLE_PRIV_H +#define CONSOLE_PRIV_H + +#include "ui/console.h" +#include "qemu/coroutine.h" +#include "qemu/timer.h" + +#include "vgafont.h" + +#define FONT_HEIGHT 16 +#define FONT_WIDTH 8 + +struct QemuConsole { + Object parent; + + int index; + DisplayState *ds; + DisplaySurface *surface; + DisplayScanout scanout; + int dcls; + DisplayGLCtx *gl; + int gl_block; + QEMUTimer *gl_unblock_timer; + int window_id; + QemuUIInfo ui_info; + QEMUTimer *ui_timer; + const GraphicHwOps *hw_ops; + void *hw; + CoQueue dump_queue; + + QTAILQ_ENTRY(QemuConsole) next; +}; + +void qemu_text_console_select(QemuTextConsole *c); +const char * qemu_text_console_get_label(QemuTextConsole *c); +void qemu_text_console_update_cursor(void); +void qemu_text_console_handle_keysym(QemuTextConsole *s, int keysym); + +#endif diff --git a/ui/console-vc.c b/ui/console-vc.c new file mode 100644 index 0000000000..9c13cc2981 --- /dev/null +++ b/ui/console-vc.c @@ -0,0 +1,1079 @@ +/* + * SPDX-License-Identifier: MIT + * QEMU VC + */ +#include "qemu/osdep.h" + +#include "chardev/char.h" +#include "qapi/error.h" +#include "qemu/fifo8.h" +#include "qemu/option.h" +#include "ui/console.h" + +#include "trace.h" +#include "console-priv.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; + +#define TEXT_ATTRIBUTES_DEFAULT ((TextAttributes) { \ + .fgcol = QEMU_COLOR_WHITE, \ + .bgcol = QEMU_COLOR_BLACK \ +}) + +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 QemuTextConsole { + QemuConsole parent; + + int width; + int height; + int total_height; + int backscroll_height; + int x, y; + int y_displayed; + int y_base; + 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; + + Chardev *chr; + /* fifo for key pressed */ + Fifo8 out_fifo; +} QemuTextConsole; + +typedef QemuConsoleClass QemuTextConsoleClass; + +OBJECT_DEFINE_TYPE(QemuTextConsole, qemu_text_console, QEMU_TEXT_CONSOLE, QEMU_CONSOLE) + +typedef struct QemuFixedTextConsole { + QemuTextConsole parent; +} QemuFixedTextConsole; + +typedef QemuTextConsoleClass QemuFixedTextConsoleClass; + +OBJECT_DEFINE_TYPE(QemuFixedTextConsole, qemu_fixed_text_console, QEMU_FIXED_TEXT_CONSOLE, QEMU_TEXT_CONSOLE) + +struct VCChardev { + Chardev parent; + QemuTextConsole *console; + + enum TTYState state; + int esc_params[MAX_ESC_PARAMS]; + int nb_esc_params; + TextAttributes t_attrib; /* currently active text attributes */ + int x_saved, y_saved; +}; +typedef struct VCChardev VCChardev; + +static const pixman_color_t color_table_rgb[2][8] = { + { /* dark */ + [QEMU_COLOR_BLACK] = QEMU_PIXMAN_COLOR_BLACK, + [QEMU_COLOR_BLUE] = QEMU_PIXMAN_COLOR(0x00, 0x00, 0xaa), /* blue */ + [QEMU_COLOR_GREEN] = QEMU_PIXMAN_COLOR(0x00, 0xaa, 0x00), /* green */ + [QEMU_COLOR_CYAN] = QEMU_PIXMAN_COLOR(0x00, 0xaa, 0xaa), /* cyan */ + [QEMU_COLOR_RED] = QEMU_PIXMAN_COLOR(0xaa, 0x00, 0x00), /* red */ + [QEMU_COLOR_MAGENTA] = QEMU_PIXMAN_COLOR(0xaa, 0x00, 0xaa), /* magenta */ + [QEMU_COLOR_YELLOW] = QEMU_PIXMAN_COLOR(0xaa, 0xaa, 0x00), /* yellow */ + [QEMU_COLOR_WHITE] = QEMU_PIXMAN_COLOR_GRAY, + }, + { /* bright */ + [QEMU_COLOR_BLACK] = QEMU_PIXMAN_COLOR_BLACK, + [QEMU_COLOR_BLUE] = QEMU_PIXMAN_COLOR(0x00, 0x00, 0xff), /* blue */ + [QEMU_COLOR_GREEN] = QEMU_PIXMAN_COLOR(0x00, 0xff, 0x00), /* green */ + [QEMU_COLOR_CYAN] = QEMU_PIXMAN_COLOR(0x00, 0xff, 0xff), /* cyan */ + [QEMU_COLOR_RED] = QEMU_PIXMAN_COLOR(0xff, 0x00, 0x00), /* red */ + [QEMU_COLOR_MAGENTA] = QEMU_PIXMAN_COLOR(0xff, 0x00, 0xff), /* magenta */ + [QEMU_COLOR_YELLOW] = QEMU_PIXMAN_COLOR(0xff, 0xff, 0x00), /* yellow */ + [QEMU_COLOR_WHITE] = QEMU_PIXMAN_COLOR(0xff, 0xff, 0xff), /* white */ + } +}; + +static bool cursor_visible_phase; +static QEMUTimer *cursor_timer; + +const char * +qemu_text_console_get_label(QemuTextConsole *c) +{ + return c->chr ? c->chr->label : NULL; +} + +static void qemu_console_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 + }; + + assert(surface); + 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 qemu_console_bitblt(QemuConsole *con, + int xs, int ys, int xd, int yd, int w, int h) +{ + DisplaySurface *surface = qemu_console_surface(con); + + assert(surface); + pixman_image_composite(PIXMAN_OP_SRC, + surface->image, NULL, surface->image, + xs, ys, 0, 0, xd, yd, w, h); +} + +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; + + assert(surface); + 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 invalidate_xy(QemuTextConsole *s, int x, int y) +{ + if (!qemu_console_is_visible(QEMU_CONSOLE(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 console_show_cursor(QemuTextConsole *s, int show) +{ + TextCell *c; + int y, y1; + int x = s->x; + + 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 = TEXT_ATTRIBUTES_DEFAULT; + t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */ + vga_putcharxy(QEMU_CONSOLE(s), x, y, c->ch, &t_attrib); + } else { + vga_putcharxy(QEMU_CONSOLE(s), x, y, c->ch, &(c->t_attrib)); + } + invalidate_xy(s, x, y); + } +} + +static void console_refresh(QemuTextConsole *s) +{ + DisplaySurface *surface = qemu_console_surface(QEMU_CONSOLE(s)); + TextCell *c; + int x, y, y1; + + assert(surface); + 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; + + qemu_console_fill_rect(QEMU_CONSOLE(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(QEMU_CONSOLE(s), x, y, c->ch, + &(c->t_attrib)); + c++; + } + if (++y1 == s->total_height) { + y1 = 0; + } + } + console_show_cursor(s, 1); + dpy_gfx_update(QEMU_CONSOLE(s), 0, 0, + surface_width(surface), surface_height(surface)); +} + +static void console_scroll(QemuTextConsole *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 kbd_send_chars(QemuTextConsole *s) +{ + uint32_t len, avail; + + len = qemu_chr_be_can_write(s->chr); + avail = fifo8_num_used(&s->out_fifo); + while (len > 0 && avail > 0) { + const uint8_t *buf; + uint32_t size; + + buf = fifo8_pop_buf(&s->out_fifo, MIN(len, avail), &size); + qemu_chr_be_write(s->chr, buf, size); + len = qemu_chr_be_can_write(s->chr); + avail -= size; + } +} + +/* called when an ascii key is pressed */ +void qemu_text_console_handle_keysym(QemuTextConsole *s, int keysym) +{ + uint8_t buf[16], *q; + int c; + uint32_t num_free; + + 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')) { + qemu_chr_write(s->chr, (uint8_t *)"\r", 1, true); + *q++ = '\n'; + } else { + *q++ = keysym; + } + if (s->echo) { + qemu_chr_write(s->chr, buf, q - buf, true); + } + num_free = fifo8_num_free(&s->out_fifo); + fifo8_push_all(&s->out_fifo, buf, MIN(num_free, q - buf)); + kbd_send_chars(s); + break; + } +} + +static void text_console_update(void *opaque, console_ch_t *chardata) +{ + QemuTextConsole *s = QEMU_TEXT_CONSOLE(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(QEMU_CONSOLE(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(QEMU_CONSOLE(s), s->x, s->y); + s->cursor_invalidate = 0; + } +} + +static void text_console_resize(QemuTextConsole *t) +{ + QemuConsole *s = QEMU_CONSOLE(t); + TextCell *cells, *c, *c1; + int w1, x, y, last_width, w, h; + + assert(s->scanout.kind == SCANOUT_SURFACE); + + w = surface_width(s->surface) / FONT_WIDTH; + h = surface_height(s->surface) / FONT_HEIGHT; + if (w == t->width && h == t->height) { + return; + } + + last_width = t->width; + t->width = w; + t->height = h; + + w1 = MIN(t->width, last_width); + + cells = g_new(TextCell, t->width * t->total_height + 1); + for (y = 0; y < t->total_height; y++) { + c = &cells[y * t->width]; + if (w1 > 0) { + c1 = &t->cells[y * last_width]; + for (x = 0; x < w1; x++) { + *c++ = *c1++; + } + } + for (x = w1; x < t->width; x++) { + c->ch = ' '; + c->t_attrib = TEXT_ATTRIBUTES_DEFAULT; + c++; + } + } + g_free(t->cells); + t->cells = cells; +} + +static void vc_put_lf(VCChardev *vc) +{ + QemuTextConsole *s = vc->console; + 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 = TEXT_ATTRIBUTES_DEFAULT; + c++; + } + if (s->y_displayed == s->y_base) { + s->text_x[0] = 0; + s->text_y[0] = 0; + s->text_x[1] = s->width - 1; + s->text_y[1] = s->height - 1; + + qemu_console_bitblt(QEMU_CONSOLE(s), 0, FONT_HEIGHT, 0, 0, + s->width * FONT_WIDTH, + (s->height - 1) * FONT_HEIGHT); + qemu_console_fill_rect(QEMU_CONSOLE(s), 0, (s->height - 1) * FONT_HEIGHT, + s->width * FONT_WIDTH, FONT_HEIGHT, + color_table_rgb[0][TEXT_ATTRIBUTES_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 vc_handle_escape(VCChardev *vc) +{ + int i; + + for (i = 0; i < vc->nb_esc_params; i++) { + switch (vc->esc_params[i]) { + case 0: /* reset all console attributes to default */ + vc->t_attrib = TEXT_ATTRIBUTES_DEFAULT; + break; + case 1: + vc->t_attrib.bold = 1; + break; + case 4: + vc->t_attrib.uline = 1; + break; + case 5: + vc->t_attrib.blink = 1; + break; + case 7: + vc->t_attrib.invers = 1; + break; + case 8: + vc->t_attrib.unvisible = 1; + break; + case 22: + vc->t_attrib.bold = 0; + break; + case 24: + vc->t_attrib.uline = 0; + break; + case 25: + vc->t_attrib.blink = 0; + break; + case 27: + vc->t_attrib.invers = 0; + break; + case 28: + vc->t_attrib.unvisible = 0; + break; + /* set foreground color */ + case 30: + vc->t_attrib.fgcol = QEMU_COLOR_BLACK; + break; + case 31: + vc->t_attrib.fgcol = QEMU_COLOR_RED; + break; + case 32: + vc->t_attrib.fgcol = QEMU_COLOR_GREEN; + break; + case 33: + vc->t_attrib.fgcol = QEMU_COLOR_YELLOW; + break; + case 34: + vc->t_attrib.fgcol = QEMU_COLOR_BLUE; + break; + case 35: + vc->t_attrib.fgcol = QEMU_COLOR_MAGENTA; + break; + case 36: + vc->t_attrib.fgcol = QEMU_COLOR_CYAN; + break; + case 37: + vc->t_attrib.fgcol = QEMU_COLOR_WHITE; + break; + /* set background color */ + case 40: + vc->t_attrib.bgcol = QEMU_COLOR_BLACK; + break; + case 41: + vc->t_attrib.bgcol = QEMU_COLOR_RED; + break; + case 42: + vc->t_attrib.bgcol = QEMU_COLOR_GREEN; + break; + case 43: + vc->t_attrib.bgcol = QEMU_COLOR_YELLOW; + break; + case 44: + vc->t_attrib.bgcol = QEMU_COLOR_BLUE; + break; + case 45: + vc->t_attrib.bgcol = QEMU_COLOR_MAGENTA; + break; + case 46: + vc->t_attrib.bgcol = QEMU_COLOR_CYAN; + break; + case 47: + vc->t_attrib.bgcol = QEMU_COLOR_WHITE; + break; + } + } +} + +static void vc_update_xy(VCChardev *vc, int x, int y) +{ + QemuTextConsole *s = vc->console; + TextCell *c; + int y1, y2; + + 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); + + 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(QEMU_CONSOLE(s), x, y2, c->ch, + &(c->t_attrib)); + invalidate_xy(s, x, y2); + } +} + +static void vc_clear_xy(VCChardev *vc, int x, int y) +{ + QemuTextConsole *s = vc->console; + 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 = TEXT_ATTRIBUTES_DEFAULT; + vc_update_xy(vc, x, y); +} + +static void vc_put_one(VCChardev *vc, int ch) +{ + QemuTextConsole *s = vc->console; + TextCell *c; + int y1; + if (s->x >= s->width) { + /* line wrap */ + s->x = 0; + vc_put_lf(vc); + } + y1 = (s->y_base + s->y) % s->total_height; + c = &s->cells[y1 * s->width + s->x]; + c->ch = ch; + c->t_attrib = vc->t_attrib; + vc_update_xy(vc, s->x, s->y); + s->x++; +} + +static void vc_respond_str(VCChardev *vc, const char *buf) +{ + while (*buf) { + vc_put_one(vc, *buf); + buf++; + } +} + +/* set cursor, checking bounds */ +static void vc_set_cursor(VCChardev *vc, int x, int y) +{ + QemuTextConsole *s = vc->console; + + 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 vc_putchar(VCChardev *vc, int ch) +{ + QemuTextConsole *s = vc->console; + int i; + int x, y; + char response[40]; + + switch(vc->state) { + case TTY_STATE_NORM: + switch(ch) { + case '\r': /* carriage return */ + s->x = 0; + break; + case '\n': /* newline */ + vc_put_lf(vc); + 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; + vc_put_lf(vc); + } 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) */ + vc->state = TTY_STATE_ESC; + break; + default: + vc_put_one(vc, ch); + break; + } + break; + case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ + if (ch == '[') { + for(i=0;iesc_params[i] = 0; + vc->nb_esc_params = 0; + vc->state = TTY_STATE_CSI; + } else { + vc->state = TTY_STATE_NORM; + } + break; + case TTY_STATE_CSI: /* handle escape sequence parameters */ + if (ch >= '0' && ch <= '9') { + if (vc->nb_esc_params < MAX_ESC_PARAMS) { + int *param = &vc->esc_params[vc->nb_esc_params]; + int digit = (ch - '0'); + + *param = (*param <= (INT_MAX - digit) / 10) ? + *param * 10 + digit : INT_MAX; + } + } else { + if (vc->nb_esc_params < MAX_ESC_PARAMS) + vc->nb_esc_params++; + if (ch == ';' || ch == '?') { + break; + } + trace_console_putchar_csi(vc->esc_params[0], vc->esc_params[1], + ch, vc->nb_esc_params); + vc->state = TTY_STATE_NORM; + switch(ch) { + case 'A': + /* move cursor up */ + if (vc->esc_params[0] == 0) { + vc->esc_params[0] = 1; + } + vc_set_cursor(vc, s->x, s->y - vc->esc_params[0]); + break; + case 'B': + /* move cursor down */ + if (vc->esc_params[0] == 0) { + vc->esc_params[0] = 1; + } + vc_set_cursor(vc, s->x, s->y + vc->esc_params[0]); + break; + case 'C': + /* move cursor right */ + if (vc->esc_params[0] == 0) { + vc->esc_params[0] = 1; + } + vc_set_cursor(vc, s->x + vc->esc_params[0], s->y); + break; + case 'D': + /* move cursor left */ + if (vc->esc_params[0] == 0) { + vc->esc_params[0] = 1; + } + vc_set_cursor(vc, s->x - vc->esc_params[0], s->y); + break; + case 'G': + /* move cursor to column */ + vc_set_cursor(vc, vc->esc_params[0] - 1, s->y); + break; + case 'f': + case 'H': + /* move cursor to row, column */ + vc_set_cursor(vc, vc->esc_params[1] - 1, vc->esc_params[0] - 1); + break; + case 'J': + switch (vc->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; + } + vc_clear_xy(vc, 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; + } + vc_clear_xy(vc, x, y); + } + } + break; + case 2: + /* clear entire screen */ + for (y = 0; y <= s->height; y++) { + for (x = 0; x < s->width; x++) { + vc_clear_xy(vc, x, y); + } + } + break; + } + break; + case 'K': + switch (vc->esc_params[0]) { + case 0: + /* clear to eol */ + for(x = s->x; x < s->width; x++) { + vc_clear_xy(vc, x, s->y); + } + break; + case 1: + /* clear from beginning of line */ + for (x = 0; x <= s->x && x < s->width; x++) { + vc_clear_xy(vc, x, s->y); + } + break; + case 2: + /* clear entire line */ + for(x = 0; x < s->width; x++) { + vc_clear_xy(vc, x, s->y); + } + break; + } + break; + case 'm': + vc_handle_escape(vc); + break; + case 'n': + switch (vc->esc_params[0]) { + case 5: + /* report console status (always succeed)*/ + vc_respond_str(vc, "\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); + vc_respond_str(vc, response); + break; + } + break; + case 's': + /* save cursor position */ + vc->x_saved = s->x; + vc->y_saved = s->y; + break; + case 'u': + /* restore cursor position */ + s->x = vc->x_saved; + s->y = vc->y_saved; + break; + default: + trace_console_putchar_unhandled(ch); + break; + } + break; + } + } +} + +#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); + QemuTextConsole *s = drv->console; + 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++) { + vc_putchar(drv, buf[i]); + } + console_show_cursor(s, 1); + if (s->update_x0 < s->update_x1) { + dpy_gfx_update(QEMU_CONSOLE(s), s->update_x0, s->update_y0, + s->update_x1 - s->update_x0, + s->update_y1 - s->update_y0); + } + return len; +} + +void qemu_text_console_update_cursor(void) +{ + cursor_visible_phase = !cursor_visible_phase; + + if (qemu_invalidate_text_consoles()) { + timer_mod(cursor_timer, + qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + CONSOLE_CURSOR_PERIOD / 2); + } +} + +static void +cursor_timer_cb(void *opaque) +{ + qemu_text_console_update_cursor(); +} + +static void text_console_invalidate(void *opaque) +{ + QemuTextConsole *s = QEMU_TEXT_CONSOLE(opaque); + + if (!QEMU_IS_FIXED_TEXT_CONSOLE(s)) { + text_console_resize(QEMU_TEXT_CONSOLE(s)); + } + console_refresh(s); +} + +static void +qemu_text_console_finalize(Object *obj) +{ +} + +static void +qemu_text_console_class_init(ObjectClass *oc, void *data) +{ + if (!cursor_timer) { + cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME, cursor_timer_cb, NULL); + } +} + +static const GraphicHwOps text_console_ops = { + .invalidate = text_console_invalidate, + .text_update = text_console_update, +}; + +static void +qemu_text_console_init(Object *obj) +{ + QemuTextConsole *c = QEMU_TEXT_CONSOLE(obj); + + fifo8_create(&c->out_fifo, 16); + c->total_height = DEFAULT_BACKSCROLL; + QEMU_CONSOLE(c)->hw_ops = &text_console_ops; + QEMU_CONSOLE(c)->hw = c; +} + +static void +qemu_fixed_text_console_finalize(Object *obj) +{ +} + +static void +qemu_fixed_text_console_class_init(ObjectClass *oc, void *data) +{ +} + +static void +qemu_fixed_text_console_init(Object *obj) +{ +} + +static void vc_chr_accept_input(Chardev *chr) +{ + VCChardev *drv = VC_CHARDEV(chr); + + kbd_send_chars(drv->console); +} + +static void vc_chr_set_echo(Chardev *chr, bool echo) +{ + VCChardev *drv = VC_CHARDEV(chr); + + drv->console->echo = echo; +} + +void qemu_text_console_select(QemuTextConsole *c) +{ + dpy_text_resize(QEMU_CONSOLE(c), c->width, c->height); + qemu_text_console_update_cursor(); +} + +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); + QemuTextConsole *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 = QEMU_TEXT_CONSOLE(object_new(TYPE_QEMU_TEXT_CONSOLE)); + width = qemu_console_get_width(NULL, 80 * FONT_WIDTH); + height = qemu_console_get_height(NULL, 24 * FONT_HEIGHT); + } else { + s = QEMU_TEXT_CONSOLE(object_new(TYPE_QEMU_FIXED_TEXT_CONSOLE)); + } + + dpy_gfx_replace_surface(QEMU_CONSOLE(s), qemu_create_displaysurface(width, height)); + + s->chr = chr; + drv->console = s; + + /* set current text attributes to default */ + drv->t_attrib = TEXT_ATTRIBUTES_DEFAULT; + text_console_resize(s); + + if (chr->label) { + char *msg; + + drv->t_attrib.bgcol = QEMU_COLOR_BLUE; + msg = g_strdup_printf("%s console\r\n", chr->label); + qemu_chr_write(chr, (uint8_t *)msg, strlen(msg), true); + g_free(msg); + drv->t_attrib = TEXT_ATTRIBUTES_DEFAULT; + } + + *be_opened = true; +} + +static void vc_chr_parse(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 void char_vc_class_init(ObjectClass *oc, void *data) +{ + ChardevClass *cc = CHARDEV_CLASS(oc); + + cc->parse = vc_chr_parse; + cc->open = vc_chr_open; + cc->chr_write = vc_chr_write; + cc->chr_accept_input = vc_chr_accept_input; + 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); + } +} diff --git a/ui/console.c b/ui/console.c index d9ac3717ff..da341f08da 100644 --- a/ui/console.c +++ b/ui/console.c @@ -29,68 +29,16 @@ #include "qapi/qapi-commands-ui.h" #include "qapi/visitor.h" #include "qemu/coroutine.h" -#include "qemu/fifo8.h" #include "qemu/error-report.h" #include "qemu/main-loop.h" #include "qemu/module.h" #include "qemu/option.h" -#include "qemu/timer.h" #include "chardev/char.h" #include "trace.h" #include "exec/memory.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; - -#define TEXT_ATTRIBUTES_DEFAULT ((TextAttributes) { \ - .fgcol = QEMU_COLOR_WHITE, \ - .bgcol = QEMU_COLOR_BLACK \ -}) - -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, -}; - -struct QemuConsole { - Object parent; - - int index; - DisplayState *ds; - DisplaySurface *surface; - DisplayScanout scanout; - int dcls; - DisplayGLCtx *gl; - int gl_block; - QEMUTimer *gl_unblock_timer; - int window_id; - QemuUIInfo ui_info; - QEMUTimer *ui_timer; - const GraphicHwOps *hw_ops; - void *hw; - CoQueue dump_queue; - - QTAILQ_ENTRY(QemuConsole) next; -}; +#include "console-priv.h" OBJECT_DEFINE_ABSTRACT_TYPE(QemuConsole, qemu_console, QEMU_CONSOLE, OBJECT) @@ -108,54 +56,6 @@ typedef QemuConsoleClass QemuGraphicConsoleClass; OBJECT_DEFINE_TYPE(QemuGraphicConsole, qemu_graphic_console, QEMU_GRAPHIC_CONSOLE, QEMU_CONSOLE) -typedef struct QemuTextConsole { - QemuConsole parent; - - int width; - int height; - int total_height; - int backscroll_height; - int x, y; - int y_displayed; - int y_base; - 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; - - Chardev *chr; - /* fifo for key pressed */ - Fifo8 out_fifo; -} QemuTextConsole; - -typedef QemuConsoleClass QemuTextConsoleClass; - -OBJECT_DEFINE_TYPE(QemuTextConsole, qemu_text_console, QEMU_TEXT_CONSOLE, QEMU_CONSOLE) - -typedef struct QemuFixedTextConsole { - QemuTextConsole parent; -} QemuFixedTextConsole; - -typedef QemuTextConsoleClass QemuFixedTextConsoleClass; - -OBJECT_DEFINE_TYPE(QemuFixedTextConsole, qemu_fixed_text_console, QEMU_FIXED_TEXT_CONSOLE, QEMU_TEXT_CONSOLE) - -struct VCChardev { - Chardev parent; - QemuTextConsole *console; - - enum TTYState state; - int esc_params[MAX_ESC_PARAMS]; - int nb_esc_params; - TextAttributes t_attrib; /* currently active text attributes */ - int x_saved, y_saved; -}; -typedef struct VCChardev VCChardev; - struct DisplayState { QEMUTimer *gui_timer; uint64_t last_update; @@ -169,12 +69,9 @@ 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 dpy_refresh(DisplayState *s); static DisplayState *get_alloc_displaystate(void); -static void qemu_text_console_update_cursor(void *opaque); static bool displaychangelistener_has_dmabuf(DisplayChangeListener *dcl); static bool console_compatible_with(QemuConsole *con, DisplayChangeListener *dcl, Error **errp); @@ -330,663 +227,6 @@ void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata) } } -static void qemu_console_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 - }; - - assert(surface); - 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 qemu_console_bitblt(QemuConsole *con, - int xs, int ys, int xd, int yd, int w, int h) -{ - DisplaySurface *surface = qemu_console_surface(con); - - assert(surface); - 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" - -static const pixman_color_t color_table_rgb[2][8] = { - { /* dark */ - [QEMU_COLOR_BLACK] = QEMU_PIXMAN_COLOR_BLACK, - [QEMU_COLOR_BLUE] = QEMU_PIXMAN_COLOR(0x00, 0x00, 0xaa), /* blue */ - [QEMU_COLOR_GREEN] = QEMU_PIXMAN_COLOR(0x00, 0xaa, 0x00), /* green */ - [QEMU_COLOR_CYAN] = QEMU_PIXMAN_COLOR(0x00, 0xaa, 0xaa), /* cyan */ - [QEMU_COLOR_RED] = QEMU_PIXMAN_COLOR(0xaa, 0x00, 0x00), /* red */ - [QEMU_COLOR_MAGENTA] = QEMU_PIXMAN_COLOR(0xaa, 0x00, 0xaa), /* magenta */ - [QEMU_COLOR_YELLOW] = QEMU_PIXMAN_COLOR(0xaa, 0xaa, 0x00), /* yellow */ - [QEMU_COLOR_WHITE] = QEMU_PIXMAN_COLOR_GRAY, - }, - { /* bright */ - [QEMU_COLOR_BLACK] = QEMU_PIXMAN_COLOR_BLACK, - [QEMU_COLOR_BLUE] = QEMU_PIXMAN_COLOR(0x00, 0x00, 0xff), /* blue */ - [QEMU_COLOR_GREEN] = QEMU_PIXMAN_COLOR(0x00, 0xff, 0x00), /* green */ - [QEMU_COLOR_CYAN] = QEMU_PIXMAN_COLOR(0x00, 0xff, 0xff), /* cyan */ - [QEMU_COLOR_RED] = QEMU_PIXMAN_COLOR(0xff, 0x00, 0x00), /* red */ - [QEMU_COLOR_MAGENTA] = QEMU_PIXMAN_COLOR(0xff, 0x00, 0xff), /* magenta */ - [QEMU_COLOR_YELLOW] = QEMU_PIXMAN_COLOR(0xff, 0xff, 0x00), /* yellow */ - [QEMU_COLOR_WHITE] = QEMU_PIXMAN_COLOR(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; - - assert(surface); - 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(QemuTextConsole *t) -{ - QemuConsole *s = QEMU_CONSOLE(t); - TextCell *cells, *c, *c1; - int w1, x, y, last_width, w, h; - - assert(s->scanout.kind == SCANOUT_SURFACE); - - w = surface_width(s->surface) / FONT_WIDTH; - h = surface_height(s->surface) / FONT_HEIGHT; - if (w == t->width && h == t->height) { - return; - } - - last_width = t->width; - t->width = w; - t->height = h; - - w1 = MIN(t->width, last_width); - - cells = g_new(TextCell, t->width * t->total_height + 1); - for (y = 0; y < t->total_height; y++) { - c = &cells[y * t->width]; - if (w1 > 0) { - c1 = &t->cells[y * last_width]; - for (x = 0; x < w1; x++) { - *c++ = *c1++; - } - } - for (x = w1; x < t->width; x++) { - c->ch = ' '; - c->t_attrib = TEXT_ATTRIBUTES_DEFAULT; - c++; - } - } - g_free(t->cells); - t->cells = cells; -} - -static void invalidate_xy(QemuTextConsole *s, int x, int y) -{ - if (!qemu_console_is_visible(QEMU_CONSOLE(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 vc_update_xy(VCChardev *vc, int x, int y) -{ - QemuTextConsole *s = vc->console; - TextCell *c; - int y1, y2; - - 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); - - 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(QEMU_CONSOLE(s), x, y2, c->ch, - &(c->t_attrib)); - invalidate_xy(s, x, y2); - } -} - -static void console_show_cursor(QemuTextConsole *s, int show) -{ - TextCell *c; - int y, y1; - int x = s->x; - - 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 = TEXT_ATTRIBUTES_DEFAULT; - t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */ - vga_putcharxy(QEMU_CONSOLE(s), x, y, c->ch, &t_attrib); - } else { - vga_putcharxy(QEMU_CONSOLE(s), x, y, c->ch, &(c->t_attrib)); - } - invalidate_xy(s, x, y); - } -} - -static void console_refresh(QemuTextConsole *s) -{ - DisplaySurface *surface = qemu_console_surface(QEMU_CONSOLE(s)); - TextCell *c; - int x, y, y1; - - assert(surface); - 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; - - qemu_console_fill_rect(QEMU_CONSOLE(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(QEMU_CONSOLE(s), x, y, c->ch, - &(c->t_attrib)); - c++; - } - if (++y1 == s->total_height) { - y1 = 0; - } - } - console_show_cursor(s, 1); - dpy_gfx_update(QEMU_CONSOLE(s), 0, 0, - surface_width(surface), surface_height(surface)); -} - -static void console_scroll(QemuTextConsole *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 vc_put_lf(VCChardev *vc) -{ - QemuTextConsole *s = vc->console; - 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 = TEXT_ATTRIBUTES_DEFAULT; - c++; - } - if (s->y_displayed == s->y_base) { - s->text_x[0] = 0; - s->text_y[0] = 0; - s->text_x[1] = s->width - 1; - s->text_y[1] = s->height - 1; - - qemu_console_bitblt(QEMU_CONSOLE(s), 0, FONT_HEIGHT, 0, 0, - s->width * FONT_WIDTH, - (s->height - 1) * FONT_HEIGHT); - qemu_console_fill_rect(QEMU_CONSOLE(s), 0, (s->height - 1) * FONT_HEIGHT, - s->width * FONT_WIDTH, FONT_HEIGHT, - color_table_rgb[0][TEXT_ATTRIBUTES_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 vc_handle_escape(VCChardev *vc) -{ - int i; - - for (i = 0; i < vc->nb_esc_params; i++) { - switch (vc->esc_params[i]) { - case 0: /* reset all console attributes to default */ - vc->t_attrib = TEXT_ATTRIBUTES_DEFAULT; - break; - case 1: - vc->t_attrib.bold = 1; - break; - case 4: - vc->t_attrib.uline = 1; - break; - case 5: - vc->t_attrib.blink = 1; - break; - case 7: - vc->t_attrib.invers = 1; - break; - case 8: - vc->t_attrib.unvisible = 1; - break; - case 22: - vc->t_attrib.bold = 0; - break; - case 24: - vc->t_attrib.uline = 0; - break; - case 25: - vc->t_attrib.blink = 0; - break; - case 27: - vc->t_attrib.invers = 0; - break; - case 28: - vc->t_attrib.unvisible = 0; - break; - /* set foreground color */ - case 30: - vc->t_attrib.fgcol = QEMU_COLOR_BLACK; - break; - case 31: - vc->t_attrib.fgcol = QEMU_COLOR_RED; - break; - case 32: - vc->t_attrib.fgcol = QEMU_COLOR_GREEN; - break; - case 33: - vc->t_attrib.fgcol = QEMU_COLOR_YELLOW; - break; - case 34: - vc->t_attrib.fgcol = QEMU_COLOR_BLUE; - break; - case 35: - vc->t_attrib.fgcol = QEMU_COLOR_MAGENTA; - break; - case 36: - vc->t_attrib.fgcol = QEMU_COLOR_CYAN; - break; - case 37: - vc->t_attrib.fgcol = QEMU_COLOR_WHITE; - break; - /* set background color */ - case 40: - vc->t_attrib.bgcol = QEMU_COLOR_BLACK; - break; - case 41: - vc->t_attrib.bgcol = QEMU_COLOR_RED; - break; - case 42: - vc->t_attrib.bgcol = QEMU_COLOR_GREEN; - break; - case 43: - vc->t_attrib.bgcol = QEMU_COLOR_YELLOW; - break; - case 44: - vc->t_attrib.bgcol = QEMU_COLOR_BLUE; - break; - case 45: - vc->t_attrib.bgcol = QEMU_COLOR_MAGENTA; - break; - case 46: - vc->t_attrib.bgcol = QEMU_COLOR_CYAN; - break; - case 47: - vc->t_attrib.bgcol = QEMU_COLOR_WHITE; - break; - } - } -} - -static void vc_clear_xy(VCChardev *vc, int x, int y) -{ - QemuTextConsole *s = vc->console; - 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 = TEXT_ATTRIBUTES_DEFAULT; - vc_update_xy(vc, x, y); -} - -static void vc_put_one(VCChardev *vc, int ch) -{ - QemuTextConsole *s = vc->console; - TextCell *c; - int y1; - if (s->x >= s->width) { - /* line wrap */ - s->x = 0; - vc_put_lf(vc); - } - y1 = (s->y_base + s->y) % s->total_height; - c = &s->cells[y1 * s->width + s->x]; - c->ch = ch; - c->t_attrib = vc->t_attrib; - vc_update_xy(vc, s->x, s->y); - s->x++; -} - -static void vc_respond_str(VCChardev *vc, const char *buf) -{ - while (*buf) { - vc_put_one(vc, *buf); - buf++; - } -} - -/* set cursor, checking bounds */ -static void vc_set_cursor(VCChardev *vc, int x, int y) -{ - QemuTextConsole *s = vc->console; - - 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 vc_putchar(VCChardev *vc, int ch) -{ - QemuTextConsole *s = vc->console; - int i; - int x, y; - char response[40]; - - switch(vc->state) { - case TTY_STATE_NORM: - switch(ch) { - case '\r': /* carriage return */ - s->x = 0; - break; - case '\n': /* newline */ - vc_put_lf(vc); - 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; - vc_put_lf(vc); - } 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) */ - vc->state = TTY_STATE_ESC; - break; - default: - vc_put_one(vc, ch); - break; - } - break; - case TTY_STATE_ESC: /* check if it is a terminal escape sequence */ - if (ch == '[') { - for(i=0;iesc_params[i] = 0; - vc->nb_esc_params = 0; - vc->state = TTY_STATE_CSI; - } else { - vc->state = TTY_STATE_NORM; - } - break; - case TTY_STATE_CSI: /* handle escape sequence parameters */ - if (ch >= '0' && ch <= '9') { - if (vc->nb_esc_params < MAX_ESC_PARAMS) { - int *param = &vc->esc_params[vc->nb_esc_params]; - int digit = (ch - '0'); - - *param = (*param <= (INT_MAX - digit) / 10) ? - *param * 10 + digit : INT_MAX; - } - } else { - if (vc->nb_esc_params < MAX_ESC_PARAMS) - vc->nb_esc_params++; - if (ch == ';' || ch == '?') { - break; - } - trace_console_putchar_csi(vc->esc_params[0], vc->esc_params[1], - ch, vc->nb_esc_params); - vc->state = TTY_STATE_NORM; - switch(ch) { - case 'A': - /* move cursor up */ - if (vc->esc_params[0] == 0) { - vc->esc_params[0] = 1; - } - vc_set_cursor(vc, s->x, s->y - vc->esc_params[0]); - break; - case 'B': - /* move cursor down */ - if (vc->esc_params[0] == 0) { - vc->esc_params[0] = 1; - } - vc_set_cursor(vc, s->x, s->y + vc->esc_params[0]); - break; - case 'C': - /* move cursor right */ - if (vc->esc_params[0] == 0) { - vc->esc_params[0] = 1; - } - vc_set_cursor(vc, s->x + vc->esc_params[0], s->y); - break; - case 'D': - /* move cursor left */ - if (vc->esc_params[0] == 0) { - vc->esc_params[0] = 1; - } - vc_set_cursor(vc, s->x - vc->esc_params[0], s->y); - break; - case 'G': - /* move cursor to column */ - vc_set_cursor(vc, vc->esc_params[0] - 1, s->y); - break; - case 'f': - case 'H': - /* move cursor to row, column */ - vc_set_cursor(vc, vc->esc_params[1] - 1, vc->esc_params[0] - 1); - break; - case 'J': - switch (vc->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; - } - vc_clear_xy(vc, 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; - } - vc_clear_xy(vc, x, y); - } - } - break; - case 2: - /* clear entire screen */ - for (y = 0; y <= s->height; y++) { - for (x = 0; x < s->width; x++) { - vc_clear_xy(vc, x, y); - } - } - break; - } - break; - case 'K': - switch (vc->esc_params[0]) { - case 0: - /* clear to eol */ - for(x = s->x; x < s->width; x++) { - vc_clear_xy(vc, x, s->y); - } - break; - case 1: - /* clear from beginning of line */ - for (x = 0; x <= s->x && x < s->width; x++) { - vc_clear_xy(vc, x, s->y); - } - break; - case 2: - /* clear entire line */ - for(x = 0; x < s->width; x++) { - vc_clear_xy(vc, x, s->y); - } - break; - } - break; - case 'm': - vc_handle_escape(vc); - break; - case 'n': - switch (vc->esc_params[0]) { - case 5: - /* report console status (always succeed)*/ - vc_respond_str(vc, "\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); - vc_respond_str(vc, response); - break; - } - break; - case 's': - /* save cursor position */ - vc->x_saved = s->x; - vc->y_saved = s->y; - break; - case 'u': - /* restore cursor position */ - s->x = vc->x_saved; - s->y = vc->y_saved; - break; - default: - trace_console_putchar_unhandled(ch); - break; - } - break; - } - } -} - static void displaychangelistener_gfx_switch(DisplayChangeListener *dcl, struct DisplaySurface *new_surface, bool update) @@ -1065,13 +305,6 @@ static void displaychangelistener_display_console(DisplayChangeListener *dcl, } } -static void -qemu_text_console_select(QemuTextConsole *c) -{ - dpy_text_resize(QEMU_CONSOLE(c), c->width, c->height); - qemu_text_console_update_cursor(NULL); -} - void console_select(unsigned int index) { DisplayChangeListener *dcl; @@ -1096,101 +329,6 @@ void console_select(unsigned int index) } } -#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); - QemuTextConsole *s = drv->console; - 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++) { - vc_putchar(drv, buf[i]); - } - console_show_cursor(s, 1); - if (s->update_x0 < s->update_x1) { - dpy_gfx_update(QEMU_CONSOLE(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(QemuTextConsole *s) -{ - uint32_t len, avail; - - len = qemu_chr_be_can_write(s->chr); - avail = fifo8_num_used(&s->out_fifo); - while (len > 0 && avail > 0) { - const uint8_t *buf; - uint32_t size; - - buf = fifo8_pop_buf(&s->out_fifo, MIN(len, avail), &size); - qemu_chr_be_write(s->chr, buf, size); - len = qemu_chr_be_can_write(s->chr); - avail -= size; - } -} - -/* called when an ascii key is pressed */ -static void qemu_text_console_handle_keysym(QemuTextConsole *s, int keysym) -{ - uint8_t buf[16], *q; - int c; - uint32_t num_free; - - 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')) { - qemu_chr_write(s->chr, (uint8_t *)"\r", 1, true); - *q++ = '\n'; - } else { - *q++ = keysym; - } - if (s->echo) { - qemu_chr_write(s->chr, buf, q - buf, true); - } - num_free = fifo8_num_free(&s->out_fifo); - fifo8_push_all(&s->out_fifo, buf, MIN(num_free, q - buf)); - kbd_send_chars(s); - break; - } -} - void qemu_text_console_put_keysym(QemuTextConsole *s, int keysym) { if (!s) { @@ -1249,45 +387,6 @@ void qemu_text_console_put_string(QemuTextConsole *s, const char *str, int len) } } -static void text_console_invalidate(void *opaque) -{ - QemuTextConsole *s = QEMU_TEXT_CONSOLE(opaque); - - if (!QEMU_IS_FIXED_TEXT_CONSOLE(s)) { - text_console_resize(QEMU_TEXT_CONSOLE(s)); - } - console_refresh(s); -} - -static void text_console_update(void *opaque, console_ch_t *chardata) -{ - QemuTextConsole *s = QEMU_TEXT_CONSOLE(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(QEMU_CONSOLE(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(QEMU_CONSOLE(s), s->x, s->y); - s->cursor_invalidate = 0; - } -} - static void qemu_console_register(QemuConsole *c) { @@ -1396,51 +495,6 @@ qemu_graphic_console_init(Object *obj) { } -static void -qemu_text_console_finalize(Object *obj) -{ -} - -static void -qemu_text_console_class_init(ObjectClass *oc, void *data) -{ - if (!cursor_timer) { - cursor_timer = timer_new_ms(QEMU_CLOCK_REALTIME, - qemu_text_console_update_cursor, NULL); - } -} - -static const GraphicHwOps text_console_ops = { - .invalidate = text_console_invalidate, - .text_update = text_console_update, -}; - -static void -qemu_text_console_init(Object *obj) -{ - QemuTextConsole *c = QEMU_TEXT_CONSOLE(obj); - - fifo8_create(&c->out_fifo, 16); - c->total_height = DEFAULT_BACKSCROLL; - QEMU_CONSOLE(c)->hw_ops = &text_console_ops; - QEMU_CONSOLE(c)->hw = c; -} - -static void -qemu_fixed_text_console_finalize(Object *obj) -{ -} - -static void -qemu_fixed_text_console_class_init(ObjectClass *oc, void *data) -{ -} - -static void -qemu_fixed_text_console_init(Object *obj) -{ -} - #ifdef WIN32 void qemu_displaysurface_win32_set_handle(DisplaySurface *surface, HANDLE h, uint32_t offset) @@ -1692,6 +746,7 @@ dcl_set_graphic_cursor(DisplayChangeListener *dcl, QemuGraphicConsole *con) dcl->ops->dpy_mouse_set(dcl, con->cursor_x, con->cursor_y, con->cursor_on); } } + void register_displaychangelistener(DisplayChangeListener *dcl) { QemuConsole *con; @@ -1712,7 +767,7 @@ void register_displaychangelistener(DisplayChangeListener *dcl) if (QEMU_IS_GRAPHIC_CONSOLE(con)) { dcl_set_graphic_cursor(dcl, QEMU_GRAPHIC_CONSOLE(con)); } - qemu_text_console_update_cursor(NULL); + qemu_text_console_update_cursor(); } void update_displaychangelistener(DisplayChangeListener *dcl, @@ -2399,13 +1454,6 @@ bool qemu_console_is_multihead(DeviceState *dev) return false; } - -static const char * -qemu_text_console_get_label(QemuTextConsole *c) -{ - return c->chr ? c->chr->label : NULL; -} - char *qemu_console_get_label(QemuConsole *con) { if (QEMU_IS_GRAPHIC_CONSOLE(con)) { @@ -2500,20 +1548,6 @@ int qemu_console_get_height(QemuConsole *con, int fallback) } } -static void vc_chr_accept_input(Chardev *chr) -{ - VCChardev *drv = VC_CHARDEV(chr); - - kbd_send_chars(drv->console); -} - -static void vc_chr_set_echo(Chardev *chr, bool echo) -{ - VCChardev *drv = VC_CHARDEV(chr); - - drv->console->echo = echo; -} - int qemu_invalidate_text_consoles(void) { QemuConsole *s; @@ -2531,70 +1565,6 @@ int qemu_invalidate_text_consoles(void) return count; } -static void qemu_text_console_update_cursor(void *opaque) -{ - cursor_visible_phase = !cursor_visible_phase; - - if (qemu_invalidate_text_consoles()) { - timer_mod(cursor_timer, - qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + CONSOLE_CURSOR_PERIOD / 2); - } -} - -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); - QemuTextConsole *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 = QEMU_TEXT_CONSOLE(object_new(TYPE_QEMU_TEXT_CONSOLE)); - width = qemu_console_get_width(NULL, 80 * FONT_WIDTH); - height = qemu_console_get_height(NULL, 24 * FONT_HEIGHT); - } else { - s = QEMU_TEXT_CONSOLE(object_new(TYPE_QEMU_FIXED_TEXT_CONSOLE)); - } - - dpy_gfx_replace_surface(QEMU_CONSOLE(s), qemu_create_displaysurface(width, height)); - - s->chr = chr; - drv->console = s; - - /* set current text attributes to default */ - drv->t_attrib = TEXT_ATTRIBUTES_DEFAULT; - text_console_resize(s); - - if (chr->label) { - char *msg; - - drv->t_attrib.bgcol = QEMU_COLOR_BLUE; - msg = g_strdup_printf("%s console\r\n", chr->label); - qemu_chr_write(chr, (uint8_t *)msg, strlen(msg), true); - g_free(msg); - drv->t_attrib = TEXT_ATTRIBUTES_DEFAULT; - } - - *be_opened = true; -} - void qemu_console_resize(QemuConsole *s, int width, int height) { DisplaySurface *surface = qemu_console_surface(s); @@ -2721,63 +1691,3 @@ void qemu_display_help(void) } } } - -static void vc_chr_parse(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 void char_vc_class_init(ObjectClass *oc, void *data) -{ - ChardevClass *cc = CHARDEV_CLASS(oc); - - cc->parse = vc_chr_parse; - cc->open = vc_chr_open; - cc->chr_write = vc_chr_write; - cc->chr_accept_input = vc_chr_accept_input; - 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); - } -} diff --git a/ui/meson.build b/ui/meson.build index d81609fb0e..0a1e8272a3 100644 --- a/ui/meson.build +++ b/ui/meson.build @@ -6,6 +6,7 @@ system_ss.add(png) system_ss.add(files( 'clipboard.c', 'console.c', + 'console-vc.c', 'cursor.c', 'input-keymap.c', 'input-legacy.c',