42 #define vtb_wrap(vtb, at, offset)				\  argument
43     (((at) + (offset) + (vtb)->vtb_size)%(vtb)->vtb_size)
146 sc_vtb_getc(sc_vtb_t *vtb, int at)  in sc_vtb_getc()  argument
149 		return (readw(vtb->vtb_buffer + at) & 0x00ff);  in sc_vtb_getc()
151 		return (*(vtb->vtb_buffer + at) & 0x00ff);  in sc_vtb_getc()
155 sc_vtb_geta(sc_vtb_t *vtb, int at)  in sc_vtb_geta()  argument
158 		return (readw(vtb->vtb_buffer + at) & 0xff00);  in sc_vtb_geta()
160 		return (*(vtb->vtb_buffer + at) & 0xff00);  in sc_vtb_geta()
164 sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a)  in sc_vtb_putc()  argument
167 		writew(vtb->vtb_buffer + at, a | c);  in sc_vtb_putc()
169 		*(vtb->vtb_buffer + at) = a | c;  in sc_vtb_putc()
245 sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr)  in sc_vtb_erase()  argument
247 	if (at + count > vtb->vtb_size)  in sc_vtb_erase()
248 		count = vtb->vtb_size - at;  in sc_vtb_erase()
250 		fillw_io(attr | c, vtb->vtb_buffer + at, count);  in sc_vtb_erase()
252 		fillw(attr | c, vtb->vtb_buffer + at, count);  in sc_vtb_erase()
274 sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr)  in sc_vtb_delete()  argument
278 	if (at + count > vtb->vtb_size)  in sc_vtb_delete()
279 		count = vtb->vtb_size - at;  in sc_vtb_delete()
280 	len = vtb->vtb_size - at - count;  in sc_vtb_delete()
283 			sc_vtb_bcopy(vtb->vtb_buffer + at + count,  in sc_vtb_delete()
284 				 vtb->vtb_buffer + at,  in sc_vtb_delete()
287 			sc_vtb_bcopy(vtb->vtb_buffer + at + count,  in sc_vtb_delete()
288 			      vtb->vtb_buffer + at,  in sc_vtb_delete()
293 		fillw_io(attr | c, vtb->vtb_buffer + at + len,  in sc_vtb_delete()
294 			 vtb->vtb_size - at - len);  in sc_vtb_delete()
296 		fillw(attr | c, vtb->vtb_buffer + at + len,  in sc_vtb_delete()
297 		      vtb->vtb_size - at - len);  in sc_vtb_delete()
301 sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr)  in sc_vtb_ins()  argument
303 	if (at + count > vtb->vtb_size) {  in sc_vtb_ins()
304 		count = vtb->vtb_size - at;  in sc_vtb_ins()
307 			sc_vtb_bcopy(vtb->vtb_buffer + at,  in sc_vtb_ins()
308 				 vtb->vtb_buffer + at + count,  in sc_vtb_ins()
309 				 (vtb->vtb_size - at - count)*sizeof(uint16_t));  in sc_vtb_ins()
311 			sc_vtb_bcopy(vtb->vtb_buffer + at,  in sc_vtb_ins()
312 			      vtb->vtb_buffer + at + count,  in sc_vtb_ins()
313 			      (vtb->vtb_size - at - count)*sizeof(uint16_t));   in sc_vtb_ins()
317 		fillw_io(attr | c, vtb->vtb_buffer + at, count);  in sc_vtb_ins()
319 		fillw(attr | c, vtb->vtb_buffer + at, count);  in sc_vtb_ins()