common/io/tem.c

168 tem_add(struct tem_vt_state *tem)
170 	ASSERT(MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock));
172 	list_insert_head(&tems.ts_list, tem);
176 tem_rm(struct tem_vt_state *tem)
178 	ASSERT(MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock));
180 	list_remove(&tems.ts_list, tem);
190 	struct tem_vt_state *tem = (struct tem_vt_state *)tem_arg;
193 	mutex_enter(&tem->tvs_lock);
195 	if (!tem->tvs_initialized) {
196 		mutex_exit(&tem->tvs_lock);
201 	tem_safe_check_first_time(tem, credp, CALLED_FROM_NORMAL);
202 	tem_safe_terminal_emulate(tem, buf, len, credp, CALLED_FROM_NORMAL);
204 	mutex_exit(&tem->tvs_lock);
285 	 * A tem is regarded as initialized only after tem_internal_init(),
310  * re-init the tem after video mode has changed and tems_info has
314 tem_reinit(struct tem_vt_state *tem, boolean_t reset_display)
316 	ASSERT(MUTEX_HELD(&tems.ts_lock) && MUTEX_HELD(&tem->tvs_lock));
318 	tem_free_buf(tem); /* only free virtual buffers */
321 	tem_internal_init(tem, kcred, B_FALSE, reset_display);
325 tem_free_buf(struct tem_vt_state *tem)
327 	ASSERT(tem != NULL && MUTEX_HELD(&tem->tvs_lock));
329 	if (tem->tvs_outbuf != NULL)
330 		kmem_free(tem->tvs_outbuf, tem->tvs_outbuf_size);
331 	if (tem->tvs_pix_data != NULL)
332 		kmem_free(tem->tvs_pix_data, tem->tvs_pix_data_size);
333 	if (tem->tvs_screen_buf != NULL)
334 		kmem_free(tem->tvs_screen_buf, tem->tvs_screen_buf_size);
335 	if (tem->tvs_fg_buf != NULL)
336 		kmem_free(tem->tvs_fg_buf, tem->tvs_color_buf_size);
337 	if (tem->tvs_bg_buf != NULL)
338 		kmem_free(tem->tvs_bg_buf, tem->tvs_color_buf_size);
344 	struct tem_vt_state *tem = (struct tem_vt_state *)tem_arg;
347 	mutex_enter(&tem->tvs_lock);
349 	if (tem->tvs_isactive && tem->tvs_fbmode == KD_TEXT)
350 		tem_safe_blank_screen(tem, credp, CALLED_FROM_NORMAL);
352 	tem_free_buf(tem);
353 	tem_rm(tem);
355 	if (tems.ts_active == tem)
358 	mutex_exit(&tem->tvs_lock);
361 	kmem_free(tem, sizeof (struct tem_vt_state));
638 		 * Only need to reinit the active tem.
787 tem_prom_scroll_up(struct tem_vt_state *tem, int nrows, cred_t *credp,
808 	tem_safe_pix_cls_range(tem, 0, nrows, tems.ts_p_offset.y,
820 tem_adjust_row(struct tem_vt_state *tem, int prom_row, cred_t *credp,
845 		 * below our tem's lower boundary.
849 		tem_prom_scroll_up(tem, scroll_up_lines, credp, called_from);
857 tem_pix_align(struct tem_vt_state *tem, cred_t *credp,
875 		 * kernel console tem is different with that of prom
876 		 * tem.
878 		row = tem_adjust_row(tem, row, credp, called_from);
881 		tem->tvs_first_line = row + 1;
884 		tem->tvs_s_cursor.row = tem->tvs_c_cursor.row =
886 		tem->tvs_s_cursor.col = tem->tvs_c_cursor.col = 0;
888 		tem_safe_reset_display(tem, credp, called_from, B_TRUE, B_TRUE);
933 	struct tem_vt_state *tem = (struct tem_vt_state *)tem_arg;
937 	mutex_enter(&tem->tvs_lock);
938 	fbmode = tem->tvs_fbmode;
939 	mutex_exit(&tem->tvs_lock);
947 	struct tem_vt_state *tem = (struct tem_vt_state *)tem_arg;
950 	mutex_enter(&tem->tvs_lock);
952 	if (fbmode == tem->tvs_fbmode) {
953 		mutex_exit(&tem->tvs_lock);
958 	tem->tvs_fbmode = fbmode;
960 	if (tem->tvs_isactive) {
961 		tem_kdsetmode(tem->tvs_fbmode, credp);
963 			tem_safe_unblank_screen(tem, credp, CALLED_FROM_NORMAL);
966 	mutex_exit(&tem->tvs_lock);
973 	struct tem_vt_state *tem = (struct tem_vt_state *)tem_arg;
976 	tems.ts_active = tem;
978 	mutex_enter(&tem->tvs_lock);
979 	tem->tvs_isactive = B_TRUE;
981 	tem_kdsetmode(tem->tvs_fbmode, credp);
984 		tem_safe_unblank_screen(tem, credp, CALLED_FROM_NORMAL);
986 	mutex_exit(&tem->tvs_lock);