#define DEFAULT_BACKSCROLL 512
#define MAX_CONSOLES 12
-#define RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
-#define RGB(r, g, b) RGBA(r, g, b, 0xff)
+#define QEMU_RGBA(r, g, b, a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
+#define QEMU_RGB(r, g, b) QEMU_RGBA(r, g, b, 0xff)
typedef struct TextAttributes {
uint8_t fgcol:4;
TTY_STATE_CSI,
};
+typedef struct QEMUFIFO {
+ uint8_t *buf;
+ int buf_size;
+ int count, wptr, rptr;
+} QEMUFIFO;
+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;
+}
+
+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;
+}
+
+/* ??? This is mis-named.
+ It is used for both text and graphical consoles. */
struct TextConsole {
int text_console; /* true if text console */
DisplayState *ds;
+ /* Graphic console state. */
+ vga_hw_update_ptr hw_update;
+ vga_hw_invalidate_ptr hw_invalidate;
+ vga_hw_screen_dump_ptr hw_screen_dump;
+ void *hw;
+
int g_width, g_height;
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 */
int esc_params[MAX_ESC_PARAMS];
int nb_esc_params;
- /* kbd read handler */
- IOReadHandler *fd_read;
- void *fd_opaque;
+ CharDriverState *chr;
+ /* fifo for key pressed */
+ QEMUFIFO out_fifo;
+ uint8_t out_fifo_buf[16];
+ QEMUTimer *kbd_timer;
};
static TextConsole *active_console;
static TextConsole *consoles[MAX_CONSOLES];
static int nb_consoles = 0;
+void vga_hw_update(void)
+{
+ if (active_console && active_console->hw_update)
+ active_console->hw_update(active_console->hw);
+}
+
+void vga_hw_invalidate(void)
+{
+ if (active_console->hw_invalidate)
+ active_console->hw_invalidate(active_console->hw);
+}
+
+void vga_hw_screen_dump(const char *filename)
+{
+ /* There is currently no was of specifying which screen we want to dump,
+ so always dump the dirst one. */
+ if (consoles[0]->hw_screen_dump)
+ consoles[0]->hw_screen_dump(consoles[0]->hw, filename);
+}
+
/* convert a RGBA color to a color index usable in graphic primitives */
static unsigned int vga_get_color(DisplayState *ds, unsigned int rgba)
{
static const uint32_t color_table_rgb[2][8] = {
{ /* dark */
- RGB(0x00, 0x00, 0x00), /* black */
- RGB(0xaa, 0x00, 0x00), /* red */
- RGB(0x00, 0xaa, 0x00), /* green */
- RGB(0xaa, 0xaa, 0x00), /* yellow */
- RGB(0x00, 0x00, 0xaa), /* blue */
- RGB(0xaa, 0x00, 0xaa), /* magenta */
- RGB(0x00, 0xaa, 0xaa), /* cyan */
- RGB(0xaa, 0xaa, 0xaa), /* white */
+ QEMU_RGB(0x00, 0x00, 0x00), /* black */
+ QEMU_RGB(0xaa, 0x00, 0x00), /* red */
+ QEMU_RGB(0x00, 0xaa, 0x00), /* green */
+ QEMU_RGB(0xaa, 0xaa, 0x00), /* yellow */
+ QEMU_RGB(0x00, 0x00, 0xaa), /* blue */
+ QEMU_RGB(0xaa, 0x00, 0xaa), /* magenta */
+ QEMU_RGB(0x00, 0xaa, 0xaa), /* cyan */
+ QEMU_RGB(0xaa, 0xaa, 0xaa), /* white */
},
{ /* bright */
- RGB(0x00, 0x00, 0x00), /* black */
- RGB(0xff, 0x00, 0x00), /* red */
- RGB(0x00, 0xff, 0x00), /* green */
- RGB(0xff, 0xff, 0x00), /* yellow */
- RGB(0x00, 0x00, 0xff), /* blue */
- RGB(0xff, 0x00, 0xff), /* magenta */
- RGB(0x00, 0xff, 0xff), /* cyan */
- RGB(0xff, 0xff, 0xff), /* white */
+ QEMU_RGB(0x00, 0x00, 0x00), /* black */
+ QEMU_RGB(0xff, 0x00, 0x00), /* red */
+ QEMU_RGB(0x00, 0xff, 0x00), /* green */
+ QEMU_RGB(0xff, 0xff, 0x00), /* yellow */
+ QEMU_RGB(0x00, 0x00, 0xff), /* blue */
+ QEMU_RGB(0xff, 0x00, 0xff), /* magenta */
+ QEMU_RGB(0x00, 0xff, 0xff), /* cyan */
+ QEMU_RGB(0xff, 0xff, 0xff), /* white */
}
};
int y, y1;
if (s == active_console) {
+ int x = s->x;
+ 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 + s->x];
+ c = &s->cells[y1 * s->width + x];
if (show) {
TextAttributes t_attrib = s->t_attrib_default;
t_attrib.invers = !(t_attrib.invers); /* invert fg and bg */
- vga_putcharxy(s->ds, s->x, y, c->ch, &t_attrib);
+ vga_putcharxy(s->ds, x, y, c->ch, &t_attrib);
} else {
- vga_putcharxy(s->ds, s->x, y, c->ch,
- &(c->t_attrib));
+ vga_putcharxy(s->ds, x, y, c->ch, &(c->t_attrib));
}
- dpy_update(s->ds, s->x * FONT_WIDTH, y * FONT_HEIGHT,
+ dpy_update(s->ds, x * FONT_WIDTH, y * FONT_HEIGHT,
FONT_WIDTH, FONT_HEIGHT);
}
}
TextCell *c;
int x, y1;
- s->x = 0;
s->y++;
if (s->y >= s->height) {
s->y = s->height - 1;
{
int i;
- if (s->nb_esc_params == 0) { /* ESC[m sets all attributes to default */
- s->t_attrib = s->t_attrib_default;
- return;
- }
for (i=0; i<s->nb_esc_params; i++) {
switch (s->esc_params[i]) {
case 0: /* reset all console attributes to default */
}
}
+static void console_clear_xy(TextConsole *s, int x, int y)
+{
+ int y1 = (s->y_base + y) % s->total_height;
+ TextCell *c = &s->cells[y1 * s->width + x];
+ c->ch = ' ';
+ c->t_attrib = s->t_attrib_default;
+ c++;
+ update_xy(s, x, y);
+}
+
static void console_putchar(TextConsole *s, int ch)
{
TextCell *c;
- int y1, i, x;
+ int y1, i;
+ int x, y;
switch(s->state) {
case TTY_STATE_NORM:
console_put_lf(s);
break;
case '\b': /* backspace */
- if(s->x > 0) s->x--;
- y1 = (s->y_base + s->y) % s->total_height;
- c = &s->cells[y1 * s->width + s->x];
- c->ch = ' ';
- c->t_attrib = s->t_attrib;
- update_xy(s, s->x, s->y);
+ 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));
case '\a': /* alert aka. bell */
/* TODO: has to be implemented */
break;
+ case 14:
+ /* SI (shift in), character set 0 (ignored) */
+ break;
+ case 15:
+ /* SO (shift out), character set 1 (ignored) */
+ break;
case 27: /* esc (introducing an escape sequence) */
s->state = TTY_STATE_ESC;
break;
default:
+ if (s->x >= s->width) {
+ /* line wrap */
+ s->x = 0;
+ console_put_lf(s);
+ }
y1 = (s->y_base + s->y) % s->total_height;
c = &s->cells[y1 * s->width + s->x];
c->ch = ch;
c->t_attrib = s->t_attrib;
update_xy(s, s->x, s->y);
s->x++;
- if (s->x >= s->width)
- console_put_lf(s);
break;
}
break;
s->nb_esc_params++;
if (ch == ';')
break;
+#ifdef DEBUG_CONSOLE
+ fprintf(stderr, "escape sequence CSI%d;%d%c, %d parameters\n",
+ s->esc_params[0], s->esc_params[1], ch, s->nb_esc_params);
+#endif
s->state = TTY_STATE_NORM;
switch(ch) {
- case 'D':
- if (s->x > 0)
- s->x--;
+ case 'A':
+ /* move cursor up */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->y -= s->esc_params[0];
+ if (s->y < 0) {
+ s->y = 0;
+ }
+ break;
+ case 'B':
+ /* move cursor down */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->y += s->esc_params[0];
+ if (s->y >= s->height) {
+ s->y = s->height - 1;
+ }
break;
case 'C':
- if (s->x < (s->width - 1))
- s->x++;
+ /* move cursor right */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->x += s->esc_params[0];
+ if (s->x >= s->width) {
+ s->x = s->width - 1;
+ }
break;
+ case 'D':
+ /* move cursor left */
+ if (s->esc_params[0] == 0) {
+ s->esc_params[0] = 1;
+ }
+ s->x -= s->esc_params[0];
+ if (s->x < 0) {
+ s->x = 0;
+ }
+ break;
+ case 'G':
+ /* move cursor to column */
+ s->x = s->esc_params[0] - 1;
+ if (s->x < 0) {
+ s->x = 0;
+ }
+ break;
+ case 'f':
+ case 'H':
+ /* move cursor to row, column */
+ s->x = s->esc_params[1] - 1;
+ if (s->x < 0) {
+ s->x = 0;
+ }
+ s->y = s->esc_params[0] - 1;
+ if (s->y < 0) {
+ s->y = 0;
+ }
+ 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;
+ }
case 'K':
+ switch (s->esc_params[0]) {
+ case 0:
/* clear to eol */
- y1 = (s->y_base + s->y) % s->total_height;
for(x = s->x; x < s->width; x++) {
- c = &s->cells[y1 * s->width + x];
- c->ch = ' ';
- c->t_attrib = s->t_attrib_default;
- c++;
- update_xy(s, x, s->y);
+ console_clear_xy(s, x, s->y);
}
break;
- default:
+ case 1:
+ /* clear from beginning of line */
+ for (x = 0; x <= s->x; x++) {
+ console_clear_xy(s, x, s->y);
+ }
+ break;
+ case 2:
+ /* clear entire line */
+ for(x = 0; x < s->width; x++) {
+ console_clear_xy(s, x, s->y);
+ }
break;
}
+ break;
+ case 'm':
console_handle_escape(s);
break;
+ case 'n':
+ /* report cursor position */
+ /* TODO: send ESC[row;colR */
+ break;
+ case 's':
+ /* save cursor position */
+ s->x_saved = s->x;
+ s->y_saved = s->y;
+ break;
+ case 'u':
+ /* restore cursor position */
+ s->x = s->x_saved;
+ s->y = s->y_saved;
+ break;
+ default:
+#ifdef DEBUG_CONSOLE
+ fprintf(stderr, "unhandled escape character '%c'\n", ch);
+#endif
+ break;
+ }
+ break;
}
}
}
s->g_width = s->ds->width;
s->g_height = s->ds->height;
text_console_resize(s);
- }
+ }
console_refresh(s);
+ } else {
+ vga_hw_invalidate();
}
}
}
return len;
}
-static void console_chr_add_read_handler(CharDriverState *chr,
- IOCanRWHandler *fd_can_read,
- IOReadHandler *fd_read, void *opaque)
-{
- TextConsole *s = chr->opaque;
- s->fd_read = fd_read;
- s->fd_opaque = opaque;
-}
-
static void console_send_event(CharDriverState *chr, int event)
{
TextConsole *s = chr->opaque;
}
}
+static void kbd_send_chars(void *opaque)
+{
+ TextConsole *s = opaque;
+ int len;
+ uint8_t buf[16];
+
+ len = qemu_chr_can_read(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_read(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) {
+ qemu_mod_timer(s->kbd_timer, qemu_get_clock(rt_clock) + 1);
+ }
+}
+
/* called when an ascii key is pressed */
void kbd_put_keysym(int keysym)
{
console_scroll(10);
break;
default:
- if (s->fd_read) {
- /* 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 {
+ /* 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 {
*q++ = keysym;
- }
- s->fd_read(s->fd_opaque, buf, q - buf);
+ }
+ if (s->chr->chr_read) {
+ qemu_fifo_write(&s->out_fifo, buf, q - buf);
+ kbd_send_chars(s);
}
break;
}
}
-TextConsole *graphic_console_init(DisplayState *ds)
+static TextConsole *new_console(DisplayState *ds, int text)
{
TextConsole *s;
+ int i;
if (nb_consoles >= MAX_CONSOLES)
return NULL;
if (!s) {
return NULL;
}
- if (!active_console)
+ if (!active_console || (active_console->text_console && !text))
active_console = s;
s->ds = ds;
- consoles[nb_consoles++] = s;
+ s->text_console = text;
+ if (text) {
+ consoles[nb_consoles++] = s;
+ } else {
+ /* HACK: Put graphical consoles before text consoles. */
+ for (i = nb_consoles; i > 0; i--) {
+ if (!consoles[i - 1]->text_console)
+ break;
+ consoles[i] = consoles[i - 1];
+ }
+ consoles[i] = s;
+ }
+ return s;
+}
+
+TextConsole *graphic_console_init(DisplayState *ds, vga_hw_update_ptr update,
+ vga_hw_invalidate_ptr invalidate,
+ vga_hw_screen_dump_ptr screen_dump,
+ void *opaque)
+{
+ TextConsole *s;
+
+ s = new_console(ds, 0);
+ if (!s)
+ return NULL;
+ s->hw_update = update;
+ s->hw_invalidate = invalidate;
+ s->hw_screen_dump = screen_dump;
+ s->hw = opaque;
return s;
}
-int is_active_console(TextConsole *s)
+int is_graphic_console(void)
{
- return s == active_console;
+ return !active_console->text_console;
}
CharDriverState *text_console_init(DisplayState *ds)
chr = qemu_mallocz(sizeof(CharDriverState));
if (!chr)
return NULL;
- s = graphic_console_init(ds);
+ s = new_console(ds, 1);
if (!s) {
free(chr);
return NULL;
}
- s->text_console = 1;
chr->opaque = s;
chr->chr_write = console_puts;
- chr->chr_add_read_handler = console_chr_add_read_handler;
chr->chr_send_event = console_send_event;
+ s->chr = chr;
+ s->out_fifo.buf = s->out_fifo_buf;
+ s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
+ s->kbd_timer = qemu_new_timer(rt_clock, kbd_send_chars, s);
+
if (!color_inited) {
color_inited = 1;
for(j = 0; j < 2; j++) {
s->t_attrib = s->t_attrib_default;
text_console_resize(s);
+ qemu_chr_reset(chr);
+
return chr;
}