1/*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 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 --- 9 unchanged lines hidden (view full) --- 18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * |
26 * $FreeBSD: head/sys/dev/syscons/scvtb.c 109623 2003-01-21 08:56:16Z alfred $ |
27 */ 28 29#include "opt_syscons.h" 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/malloc.h> 34#include <sys/fbio.h> --- 21 unchanged lines hidden (view full) --- 56 57 switch (type) { 58 case VTB_MEMORY: 59 case VTB_RINGBUFFER: 60 if ((buf == NULL) && (cols*rows != 0)) { 61 vtb->vtb_buffer = 62 (vm_offset_t)malloc(cols*rows*sizeof(u_int16_t), 63 M_DEVBUF, |
64 (wait) ? 0 : M_NOWAIT); |
65 if (vtb->vtb_buffer != 0) { 66 bzero((void *)sc_vtb_pointer(vtb, 0), 67 cols*rows*sizeof(u_int16_t)); 68 vtb->vtb_flags |= VTB_ALLOCED; 69 } 70 } else { 71 vtb->vtb_buffer = (vm_offset_t)buf; 72 } --- 227 unchanged lines hidden --- |