1/*- 2 * Copyright (c) 2004, 2005 Jung-uk Kim <jkim@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
28__FBSDID("$FreeBSD: head/sys/dev/agp/agp_amd64.c 189578 2009-03-09 13:27:33Z imp $"); |
29 30#include "opt_bus.h" 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/malloc.h> 35#include <sys/kernel.h> 36#include <sys/module.h> --- 291 unchanged lines hidden (view full) --- 328 return (agp_amd64_via_set_aperture(dev, aperture)); 329 break; 330 } 331 332 return (0); 333} 334 335static int |
336agp_amd64_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical) |
337{ 338 struct agp_amd64_softc *sc = device_get_softc(dev); 339 340 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) 341 return (EINVAL); 342 343 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 344 (physical & 0xfffff000) | ((physical >> 28) & 0x00000ff0) | 3; 345 346 return (0); 347} 348 349static int |
350agp_amd64_unbind_page(device_t dev, vm_offset_t offset) |
351{ 352 struct agp_amd64_softc *sc = device_get_softc(dev); 353 354 if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) 355 return (EINVAL); 356 357 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0; 358 --- 161 unchanged lines hidden --- |