| mem.c (113238) | mem.c (126080) |
|---|---|
| 1/*- 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department, and code derived from software contributed to --- 26 unchanged lines hidden (view full) --- 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * from: Utah $Hdr: mem.c 1.13 89/10/08$ 40 * from: @(#)mem.c 7.2 (Berkeley) 5/9/91 41 * from: FreeBSD: src/sys/i386/i386/mem.c,v 1.94 2001/09/26 42 * | 1/*- 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department, and code derived from software contributed to --- 26 unchanged lines hidden (view full) --- 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * from: Utah $Hdr: mem.c 1.13 89/10/08$ 40 * from: @(#)mem.c 7.2 (Berkeley) 5/9/91 41 * from: FreeBSD: src/sys/i386/i386/mem.c,v 1.94 2001/09/26 42 * |
| 43 * $FreeBSD: head/sys/sparc64/sparc64/mem.c 113238 2003-04-08 06:35:09Z jake $ | 43 * $FreeBSD: head/sys/sparc64/sparc64/mem.c 126080 2004-02-21 21:10:55Z phk $ |
| 44 */ 45 46/* 47 * Memory special file 48 * 49 * NOTE: other architectures support mmap()'ing the mem and kmem devices; this 50 * might cause illegal aliases to be created for the locked kernel page(s), so 51 * it is not implemented. --- 26 unchanged lines hidden (view full) --- 78static dev_t memdev, kmemdev; 79 80static d_open_t mmopen; 81static d_close_t mmclose; 82static d_read_t mmrw; 83 84#define CDEV_MAJOR 2 85static struct cdevsw mem_cdevsw = { | 44 */ 45 46/* 47 * Memory special file 48 * 49 * NOTE: other architectures support mmap()'ing the mem and kmem devices; this 50 * might cause illegal aliases to be created for the locked kernel page(s), so 51 * it is not implemented. --- 26 unchanged lines hidden (view full) --- 78static dev_t memdev, kmemdev; 79 80static d_open_t mmopen; 81static d_close_t mmclose; 82static d_read_t mmrw; 83 84#define CDEV_MAJOR 2 85static struct cdevsw mem_cdevsw = { |
| 86 .d_version = D_VERSION, |
|
| 86 .d_open = mmopen, 87 .d_close = mmclose, 88 .d_read = mmrw, 89 .d_write = mmrw, 90 .d_name = "mem", 91 .d_maj = CDEV_MAJOR, | 87 .d_open = mmopen, 88 .d_close = mmclose, 89 .d_read = mmrw, 90 .d_write = mmrw, 91 .d_name = "mem", 92 .d_maj = CDEV_MAJOR, |
| 92 .d_flags = D_MEM, | 93 .d_flags = D_MEM | D_NEEDGIANT, |
| 93}; 94 95static int 96mmclose(dev_t dev, int flags, int fmt, struct thread *td) 97{ 98 99 return (0); 100} --- 155 unchanged lines hidden --- | 94}; 95 96static int 97mmclose(dev_t dev, int flags, int fmt, struct thread *td) 98{ 99 100 return (0); 101} --- 155 unchanged lines hidden --- |