| @@ -1,14 +1,14 @@ | | | @@ -1,14 +1,14 @@ |
| 1 | /* $NetBSD: cninit.c,v 1.11 2011/02/08 20:20:26 rmind Exp $ */ | | 1 | /* $NetBSD: cninit.c,v 1.12 2020/07/17 02:05:44 uwe Exp $ */ |
| 2 | | | 2 | |
| 3 | /* | | 3 | /* |
| 4 | * Copyright (c) 1988 University of Utah. | | 4 | * Copyright (c) 1988 University of Utah. |
| 5 | * Copyright (c) 1990, 1993 | | 5 | * Copyright (c) 1990, 1993 |
| 6 | * The Regents of the University of California. All rights reserved. | | 6 | * The Regents of the University of California. All rights reserved. |
| 7 | * | | 7 | * |
| 8 | * This code is derived from software contributed to Berkeley by | | 8 | * This code is derived from software contributed to Berkeley by |
| 9 | * the Systems Programming Group of the University of Utah Computer | | 9 | * the Systems Programming Group of the University of Utah Computer |
| 10 | * Science Department. | | 10 | * Science Department. |
| 11 | * | | 11 | * |
| 12 | * Redistribution and use in source and binary forms, with or without | | 12 | * Redistribution and use in source and binary forms, with or without |
| 13 | * modification, are permitted provided that the following conditions | | 13 | * modification, are permitted provided that the following conditions |
| 14 | * are met: | | 14 | * are met: |
| @@ -29,27 +29,27 @@ | | | @@ -29,27 +29,27 @@ |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | | 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | | 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | | 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | | 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | | 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 34 | * SUCH DAMAGE. | | 34 | * SUCH DAMAGE. |
| 35 | * | | 35 | * |
| 36 | * from: Utah $Hdr: cons.c 1.7 92/01/21$ | | 36 | * from: Utah $Hdr: cons.c 1.7 92/01/21$ |
| 37 | * | | 37 | * |
| 38 | * @(#)cons.c 8.2 (Berkeley) 1/12/94 | | 38 | * @(#)cons.c 8.2 (Berkeley) 1/12/94 |
| 39 | */ | | 39 | */ |
| 40 | | | 40 | |
| 41 | #include <sys/cdefs.h> | | 41 | #include <sys/cdefs.h> |
| 42 | __KERNEL_RCSID(0, "$NetBSD: cninit.c,v 1.11 2011/02/08 20:20:26 rmind Exp $"); | | 42 | __KERNEL_RCSID(0, "$NetBSD: cninit.c,v 1.12 2020/07/17 02:05:44 uwe Exp $"); |
| 43 | | | 43 | |
| 44 | #include <sys/param.h> | | 44 | #include <sys/param.h> |
| 45 | #include <sys/proc.h> | | 45 | #include <sys/proc.h> |
| 46 | #include <sys/systm.h> | | 46 | #include <sys/systm.h> |
| 47 | #include <sys/buf.h> | | 47 | #include <sys/buf.h> |
| 48 | #include <sys/ioctl.h> | | 48 | #include <sys/ioctl.h> |
| 49 | #include <sys/tty.h> | | 49 | #include <sys/tty.h> |
| 50 | #include <sys/file.h> | | 50 | #include <sys/file.h> |
| 51 | #include <sys/conf.h> | | 51 | #include <sys/conf.h> |
| 52 | #include <sys/vnode.h> | | 52 | #include <sys/vnode.h> |
| 53 | | | 53 | |
| 54 | #include <dev/cons.h> | | 54 | #include <dev/cons.h> |
| 55 | | | 55 | |
| @@ -61,35 +61,37 @@ cninit(void) | | | @@ -61,35 +61,37 @@ cninit(void) |
| 61 | | | 61 | |
| 62 | bestMatch = cn_tab = NULL; | | 62 | bestMatch = cn_tab = NULL; |
| 63 | /* | | 63 | /* |
| 64 | * Collect information about all possible consoles | | 64 | * Collect information about all possible consoles |
| 65 | * and find the one with highest priority | | 65 | * and find the one with highest priority |
| 66 | */ | | 66 | */ |
| 67 | for (cp = constab; cp->cn_probe; cp++) { | | 67 | for (cp = constab; cp->cn_probe; cp++) { |
| 68 | (*cp->cn_probe)(cp); | | 68 | (*cp->cn_probe)(cp); |
| 69 | if (cp->cn_pri > CN_DEAD && | | 69 | if (cp->cn_pri > CN_DEAD && |
| 70 | (bestMatch == NULL || cp->cn_pri > bestMatch->cn_pri)) { | | 70 | (bestMatch == NULL || cp->cn_pri > bestMatch->cn_pri)) { |
| 71 | bestMatch = cp; | | 71 | bestMatch = cp; |
| 72 | } | | 72 | } |
| 73 | } | | 73 | } |
| | | 74 | |
| 74 | /* | | 75 | /* |
| 75 | * No console, we can handle it | | 76 | * No console, we can handle it |
| 76 | */ | | 77 | */ |
| 77 | if ((cp = bestMatch) == NULL) | | 78 | if (bestMatch == NULL) |
| 78 | return; | | 79 | return; |
| | | 80 | |
| 79 | /* | | 81 | /* |
| 80 | * Turn on console | | 82 | * Turn on console |
| 81 | */ | | 83 | */ |
| 82 | { | | 84 | { |
| 83 | struct consdev *old_cn_tab = cn_tab; | | 85 | struct consdev *old_cn_tab = cn_tab; |
| 84 | | | 86 | |
| 85 | (*cp->cn_init)(cp); | | 87 | (*bestMatch->cn_init)(bestMatch); |
| 86 | /* | | 88 | /* |
| 87 | * Now let everyone know we have an active console they can | | 89 | * Now let everyone know we have an active console they can |
| 88 | * use for diagnostics. If we use cn_tab in the search loop | | 90 | * use for diagnostics. If we use cn_tab in the search loop |
| 89 | * then interrupts from the ethernet at boot may cause system | | 91 | * then interrupts from the ethernet at boot may cause system |
| 90 | * hang. | | 92 | * hang. |
| 91 | */ | | 93 | */ |
| 92 | if (cn_tab == old_cn_tab) | | 94 | if (cn_tab == old_cn_tab) |
| 93 | cn_tab = bestMatch; | | 95 | cn_tab = bestMatch; |
| 94 | } | | 96 | } |
| 95 | } | | 97 | } |