1/*- 2 * Copyright (c) 2000 Doug Rabson 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_intel.c 190169 2009-03-20 18:30:20Z rnoland $"); |
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> --- 329 unchanged lines hidden (view full) --- 366 367static int 368agp_intel_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical) 369{ 370 struct agp_intel_softc *sc; 371 372 sc = device_get_softc(dev); 373 |
374 if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) |
375 return (EINVAL); 376 377 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = physical | 0x17; 378 return (0); 379} 380 381static int 382agp_intel_unbind_page(device_t dev, vm_offset_t offset) 383{ 384 struct agp_intel_softc *sc; 385 386 sc = device_get_softc(dev); 387 |
388 if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT)) |
389 return (EINVAL); 390 391 sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0; 392 return (0); 393} 394 395static void 396agp_intel_flush_tlb(device_t dev) --- 43 unchanged lines hidden --- |