int esc_params[MAX_ESC_PARAMS];
int nb_esc_params;
- CharDriverState *chr;
+ Chardev *chr;
/* fifo for key pressed */
QEMUFIFO out_fifo;
uint8_t out_fifo_buf[16];
static bool cursor_visible_phase;
static QEMUTimer *cursor_timer;
-static void text_console_do_init(CharDriverState *chr, DisplayState *ds);
+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 int console_puts(CharDriverState *chr, const uint8_t *buf, int len)
+typedef struct VCChardev {
+ Chardev parent;
+ QemuConsole *console;
+} VCChardev;
+
+#define TYPE_CHARDEV_VC "chardev-vc"
+#define VC_CHARDEV(obj) OBJECT_CHECK(VCChardev, (obj), TYPE_CHARDEV_VC)
+
+static int vc_chr_write(Chardev *chr, const uint8_t *buf, int len)
{
- QemuConsole *s = chr->opaque;
+ 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;
*q++ = '[';
*q++ = keysym & 0xff;
} else if (s->echo && (keysym == '\r' || keysym == '\n')) {
- console_puts(s->chr, (const uint8_t *) "\r", 1);
+ vc_chr_write(s->chr, (const uint8_t *) "\r", 1);
*q++ = '\n';
} else {
*q++ = keysym;
}
if (s->echo) {
- console_puts(s->chr, buf, q - buf);
+ vc_chr_write(s->chr, buf, q - buf);
}
be = s->chr->be;
if (be && be->chr_read) {
return true;
}
-static void dpy_refresh(DisplayState *s)
+/*
+ * Safe DPY refresh for TCG guests. We use the exclusive mechanism to
+ * ensure the TCG vCPUs are quiescent so we can avoid races between
+ * dirty page tracking for direct frame-buffer access by the guest.
+ *
+ * This is a temporary stopgap until we've fixed the dirty tracking
+ * races in display adapters.
+ */
+static void do_safe_dpy_refresh(DisplayChangeListener *dcl)
{
- DisplayChangeListener *dcl;
-
- QLIST_FOREACH(dcl, &s->listeners, next) {
- if (dcl->ops->dpy_refresh) {
- dcl->ops->dpy_refresh(dcl);
- }
- }
+ qemu_mutex_unlock_iothread();
+ start_exclusive();
+ qemu_mutex_lock_iothread();
+ dcl->ops->dpy_refresh(dcl);
+ qemu_mutex_unlock_iothread();
+ end_exclusive();
+ qemu_mutex_lock_iothread();
}
-void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
- int dst_x, int dst_y, int w, int h)
+static void dpy_refresh(DisplayState *s)
{
- DisplayState *s = con->ds;
DisplayChangeListener *dcl;
- if (!qemu_console_is_visible(con)) {
- return;
- }
QLIST_FOREACH(dcl, &s->listeners, next) {
- if (con != (dcl->con ? dcl->con : active_console)) {
- continue;
- }
- if (dcl->ops->dpy_gfx_copy) {
- dcl->ops->dpy_gfx_copy(dcl, src_x, src_y, dst_x, dst_y, w, h);
- } else { /* TODO */
- dcl->ops->dpy_gfx_update(dcl, dst_x, dst_y, w, h);
+ if (dcl->ops->dpy_refresh) {
+ if (tcg_enabled()) {
+ do_safe_dpy_refresh(dcl);
+ } else {
+ dcl->ops->dpy_refresh(dcl);
+ }
}
}
}
return con->gl->ops->dpy_gl_ctx_get_current(con->gl);
}
-void dpy_gl_scanout(QemuConsole *con,
- uint32_t backing_id, bool backing_y_0_top,
- uint32_t backing_width, uint32_t backing_height,
- uint32_t x, uint32_t y, uint32_t width, uint32_t height)
+void dpy_gl_scanout_disable(QemuConsole *con)
{
assert(con->gl);
- con->gl->ops->dpy_gl_scanout(con->gl, backing_id,
- backing_y_0_top,
- backing_width, backing_height,
- x, y, width, height);
+ 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_update(QemuConsole *con,
return con ? surface_height(con->surface) : fallback;
}
-static void text_console_set_echo(CharDriverState *chr, bool echo)
+static void vc_chr_set_echo(Chardev *chr, bool echo)
{
- QemuConsole *s = chr->opaque;
+ VCChardev *drv = VC_CHARDEV(chr);
+ QemuConsole *s = drv->console;
s->echo = echo;
}
.text_update = text_console_update,
};
-static void text_console_do_init(CharDriverState *chr, DisplayState *ds)
+static void text_console_do_init(Chardev *chr, DisplayState *ds)
{
- QemuConsole *s;
+ VCChardev *drv = VC_CHARDEV(chr);
+ QemuConsole *s = drv->console;
int g_width = 80 * FONT_WIDTH;
int g_height = 24 * FONT_HEIGHT;
- s = chr->opaque;
-
- chr->chr_write = console_puts;
-
s->out_fifo.buf = s->out_fifo_buf;
s->out_fifo.buf_size = sizeof(s->out_fifo_buf);
s->kbd_timer = timer_new_ms(QEMU_CLOCK_REALTIME, kbd_send_chars, s);
s->t_attrib.bgcol = QEMU_COLOR_BLUE;
len = snprintf(msg, sizeof(msg), "%s console\r\n", chr->label);
- console_puts(chr, (uint8_t*)msg, len);
+ vc_chr_write(chr, (uint8_t *)msg, len);
s->t_attrib = s->t_attrib_default;
}
qemu_chr_be_generic_open(chr);
}
-static CharDriverState *text_console_init(ChardevVC *vc, Error **errp)
+static void vc_chr_open(Chardev *chr,
+ ChardevBackend *backend,
+ bool *be_opened,
+ Error **errp)
{
- ChardevCommon *common = qapi_ChardevVC_base(vc);
- CharDriverState *chr;
+ ChardevVC *vc = backend->u.vc.data;
+ VCChardev *drv = VC_CHARDEV(chr);
QemuConsole *s;
unsigned width = 0;
unsigned height = 0;
- chr = qemu_chr_alloc(common, errp);
- if (!chr) {
- return NULL;
- }
-
if (vc->has_width) {
width = vc->width;
} else if (vc->has_cols) {
}
if (!s) {
- g_free(chr);
error_setg(errp, "cannot create text console");
- return NULL;
+ return;
}
s->chr = chr;
- chr->opaque = s;
- chr->chr_set_echo = text_console_set_echo;
+ drv->console = s;
if (display_state) {
text_console_do_init(chr, display_state);
}
- return chr;
-}
-static VcHandler *vc_handler = text_console_init;
-
-static CharDriverState *vc_init(const char *id, ChardevBackend *backend,
- ChardevReturn *ret, bool *be_opened,
- Error **errp)
-{
/* console/chardev init sometimes completes elsewhere in a 2nd
* stage, so defer OPENED events until they are fully initialized
*/
*be_opened = false;
- return vc_handler(backend->u.vc.data, errp);
-}
-
-void register_vc_handler(VcHandler *handler)
-{
- vc_handler = handler;
}
void qemu_console_resize(QemuConsole *s, int width, int height)
assert(s->console_type == GRAPHIC_CONSOLE);
- if (s->surface &&
+ 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;
dpy_gfx_replace_surface(s, surface);
}
-void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
- int dst_x, int dst_y, int w, int h)
-{
- assert(con->console_type == GRAPHIC_CONSOLE);
- dpy_gfx_copy(con, src_x, src_y, dst_x, dst_y, w, h);
-}
-
DisplaySurface *qemu_console_surface(QemuConsole *console)
{
return console->surface;
return pf;
}
-static void qemu_chr_parse_vc(QemuOpts *opts, ChardevBackend *backend,
- Error **errp)
+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));
.class_size = sizeof(QemuConsoleClass),
};
-static void register_types(void)
+static void char_vc_class_init(ObjectClass *oc, void *data)
{
- static const CharDriver vc_driver = {
- .kind = CHARDEV_BACKEND_KIND_VC,
- .parse = qemu_chr_parse_vc,
- .create = vc_init,
- };
+ 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);
- register_char_driver(&vc_driver);
}
type_init(register_types);
projects / mirror_qemu.git / blobdiff