45 #define vtb_wrap(vtb, at, offset)				\  argument
46     (((at) + (offset) + (vtb)->vtb_size)%(vtb)->vtb_size)
118 sc_vtb_getc(sc_vtb_t *vtb, int at)  in sc_vtb_getc()  argument
121 		return (readw(sc_vtb_pointer(vtb, at)) & 0x00ff);  in sc_vtb_getc()
123 		return (*(u_int16_t *)sc_vtb_pointer(vtb, at) & 0x00ff);  in sc_vtb_getc()
127 sc_vtb_geta(sc_vtb_t *vtb, int at)  in sc_vtb_geta()  argument
130 		return (readw(sc_vtb_pointer(vtb, at)) & 0xff00);  in sc_vtb_geta()
132 		return (*(u_int16_t *)sc_vtb_pointer(vtb, at) & 0xff00);  in sc_vtb_geta()
136 sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a)  in sc_vtb_putc()  argument
139 		writew(sc_vtb_pointer(vtb, at), a | c);  in sc_vtb_putc()
141 		*(u_int16_t *)sc_vtb_pointer(vtb, at) = a | c;  in sc_vtb_putc()
155 sc_vtb_pointer(sc_vtb_t *vtb, int at)  in sc_vtb_pointer()  argument
157 	return (vtb->vtb_buffer + sizeof(u_int16_t)*(at));  in sc_vtb_pointer()
224 sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr)  in sc_vtb_erase()  argument
226 	if (at + count > vtb->vtb_size)  in sc_vtb_erase()
227 		count = vtb->vtb_size - at;  in sc_vtb_erase()
229 		fillw_io(attr | c, sc_vtb_pointer(vtb, at), count);  in sc_vtb_erase()
231 		fillw(attr | c, (void *)sc_vtb_pointer(vtb, at), count);  in sc_vtb_erase()
252 sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr)  in sc_vtb_delete()  argument
256 	if (at + count > vtb->vtb_size)  in sc_vtb_delete()
257 		count = vtb->vtb_size - at;  in sc_vtb_delete()
258 	len = vtb->vtb_size - at - count;  in sc_vtb_delete()
261 			bcopy_io(sc_vtb_pointer(vtb, at + count),  in sc_vtb_delete()
262 				 sc_vtb_pointer(vtb, at),  in sc_vtb_delete()
265 			bcopy((void *)sc_vtb_pointer(vtb, at + count),  in sc_vtb_delete()
266 			      (void *)sc_vtb_pointer(vtb, at),  in sc_vtb_delete()
270 		fillw_io(attr | c, sc_vtb_pointer(vtb, at + len),  in sc_vtb_delete()
271 			 vtb->vtb_size - at - len);  in sc_vtb_delete()
273 		fillw(attr | c, (void *)sc_vtb_pointer(vtb, at + len),  in sc_vtb_delete()
274 		      vtb->vtb_size - at - len);  in sc_vtb_delete()
278 sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr)  in sc_vtb_ins()  argument
280 	if (at + count > vtb->vtb_size)  in sc_vtb_ins()
281 		count = vtb->vtb_size - at;  in sc_vtb_ins()
284 			bcopy_io(sc_vtb_pointer(vtb, at),  in sc_vtb_ins()
285 				 sc_vtb_pointer(vtb, at + count),  in sc_vtb_ins()
286 				 (vtb->vtb_size - at - count)*sizeof(u_int16_t));   in sc_vtb_ins()
288 			bcopy((void *)sc_vtb_pointer(vtb, at),  in sc_vtb_ins()
289 			      (void *)sc_vtb_pointer(vtb, at + count),  in sc_vtb_ins()
290 			      (vtb->vtb_size - at - count)*sizeof(u_int16_t));   in sc_vtb_ins()
293 		fillw_io(attr | c, sc_vtb_pointer(vtb, at), count);  in sc_vtb_ins()
295 		fillw(attr | c, (void *)sc_vtb_pointer(vtb, at), count);  in sc_vtb_ins()