Exemple #1
0
static void
vcons_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
{
	struct rasops_info *ri = cookie;
	struct vcons_screen *scr = ri->ri_hw;

	vcons_copyrows_buffer(cookie, srcrow, dstrow, nrows);

#if defined(VCONS_DRAW_INTR)
	if (scr->scr_vd->use_intr)
		return;
#endif

	vcons_lock(scr);
	if (SCREEN_IS_VISIBLE(scr) && SCREEN_CAN_DRAW(scr)) {
		scr->scr_vd->copyrows(cookie, srcrow, dstrow, nrows);
#if defined(VCONS_DRAW_INTR)
		vcons_invalidate_cache(scr->scr_vd);
#endif
	}
	vcons_unlock(scr);
}
Exemple #2
0
int
vcons_init_screen(struct vcons_data *vd, struct vcons_screen *scr,
    int existing, long *defattr)
{
	struct rasops_info *ri = &scr->scr_ri;
	int cnt, i;
#ifdef VCONS_DRAW_INTR
	int size;
#endif

	scr->scr_cookie = vd->cookie;
	scr->scr_vd = scr->scr_origvd = vd;
	scr->scr_busy = 0;
	
	/*
	 * call the driver-supplied init_screen function which is expected
	 * to set up rasops_info, override cursor() and probably others
	 */
	vd->init_screen(vd->cookie, scr, existing, defattr);

	/* 
	 * save the non virtual console aware rasops and replace them with 
	 * our wrappers
	 */
	vd->eraserows = ri->ri_ops.eraserows;
	vd->erasecols = ri->ri_ops.erasecols;
	vd->putchar   = ri->ri_ops.putchar;
	vd->cursor    = ri->ri_ops.cursor;

	if (scr->scr_flags & VCONS_NO_COPYCOLS) {
		vd->copycols  = vcons_copycols_noread;
	} else {
		vd->copycols = ri->ri_ops.copycols;
	}

	if (scr->scr_flags & VCONS_NO_COPYROWS) {
		vd->copyrows  = vcons_copyrows_noread;
	} else {
		vd->copyrows = ri->ri_ops.copyrows;
	}

	ri->ri_ops.eraserows = vcons_eraserows;	
	ri->ri_ops.erasecols = vcons_erasecols;	
	ri->ri_ops.putchar   = vcons_putchar;
	ri->ri_ops.cursor    = vcons_cursor;
	ri->ri_ops.copycols  = vcons_copycols;
	ri->ri_ops.copyrows  = vcons_copyrows;


	ri->ri_hw = scr;

	/* 
	 * we allocate both chars and attributes in one chunk, attributes first 
	 * because they have the (potentially) bigger alignment 
	 */
#ifdef WSDISPLAY_SCROLLSUPPORT
	cnt = (ri->ri_rows + WSDISPLAY_SCROLLBACK_LINES) * ri->ri_cols;
	scr->scr_lines_in_buffer = WSDISPLAY_SCROLLBACK_LINES;
	scr->scr_current_line = 0;
	scr->scr_line_wanted = 0;
	scr->scr_offset_to_zero = ri->ri_cols * WSDISPLAY_SCROLLBACK_LINES;
	scr->scr_current_offset = scr->scr_offset_to_zero;
#else
	cnt = ri->ri_rows * ri->ri_cols;
#endif
	scr->scr_attrs = (long *)malloc(cnt * (sizeof(long) + 
	    sizeof(uint32_t)), M_DEVBUF, M_WAITOK);
	if (scr->scr_attrs == NULL)
		return ENOMEM;

	scr->scr_chars = (uint32_t *)&scr->scr_attrs[cnt];

	ri->ri_ops.allocattr(ri, WS_DEFAULT_FG, WS_DEFAULT_BG, 0, defattr);
	scr->scr_defattr = *defattr;

	/* 
	 * fill the attribute buffer with *defattr, chars with 0x20 
	 * since we don't know if the driver tries to mimic firmware output or
	 * reset everything we do nothing to VRAM here, any driver that feels
	 * the need to clear screen or something will have to do it on its own
	 * Additional screens will start out in the background anyway so
	 * cleaning or not only really affects the initial console screen
	 */
	for (i = 0; i < cnt; i++) {
		scr->scr_attrs[i] = *defattr;
		scr->scr_chars[i] = 0x20;
	}

#ifdef VCONS_DRAW_INTR
	size = ri->ri_cols * ri->ri_rows;
	if (size > vd->cells) {
		if (vd->chars != NULL) free(vd->chars, M_DEVBUF);
		if (vd->attrs != NULL) free(vd->attrs, M_DEVBUF);
		vd->cells = size;
		vd->chars = malloc(size * sizeof(uint32_t), M_DEVBUF,
		    M_WAITOK|M_ZERO);
		vd->attrs = malloc(size * sizeof(long), M_DEVBUF,
		    M_WAITOK|M_ZERO);
		vcons_invalidate_cache(vd);
	}
#endif

	if(vd->active == NULL) {
		vd->active = scr;
		SCREEN_VISIBLE(scr);
	}
	
	if (existing) {
		SCREEN_VISIBLE(scr);
		vd->active = scr;
	} else {
		SCREEN_INVISIBLE(scr);
	}
	
	LIST_INSERT_HEAD(&vd->screens, scr, next);
	return 0;
}