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Date: Tue, 19 Mar 1996 23:25:43 -0500 (EST)
From: "Marc G. Fournier" <scrappy@ki.net>
To: current@freebsd.org
Subject: PATCH: create ttyv* devices for devfs in pcvt
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Hi...

	Came back to the office tonight figuring to clean up my
mods to pcvt_drv.c, and then check out syscons.c, and figured out that
syscons.c already has devfs support in it *sigh*  And all that work I
went to trying to figure out how to do it, and I could have just copied
the syscons stuff :(

	Ah well, a learning experience :)

	Well, here is a context diff of the changes I made to pcvt_drv.c
in order that the ttyv* devices get created properly in devfs, so that
you can use devfs on a system with pcvt.  If someone can check it over,
and commit it to the tree?  Or tell me I really don't know what I'm doing?


*** pcvt_drv.c.orig	Tue Mar 19 16:52:00 1996
--- pcvt_drv.c	Tue Mar 19 23:07:24 1996
***************
*** 82,87 ****
--- 82,94 ----
  #define EXTERN			/* allocate mem */
  
  #include "pcvt_hdr.h"		/* global include */
+ #ifdef DEVFS
+   #include <sys/devfsext.h>
+   #if !defined(MAXCONS)
+     #define MAXCONS 16
+   #endif
+   static void *pcvt_devfs_token[MAXCONS];
+ #endif /*DEVFS*/
  
  extern int getchar __P((void));
  
***************
*** 101,108 ****
  
  #if PCVT_FREEBSD > 205
  static struct kern_devconf kdc_vt[];
! static inline void
! vt_registerdev(struct isa_device *id, const char *name);
  static char vt_description[];
  #define VT_DESCR_LEN 40
  #endif /* PCVT_FREEBSD > 205 */
--- 108,114 ----
  
  #if PCVT_FREEBSD > 205
  static struct kern_devconf kdc_vt[];
! static inline void vt_registerdev(struct isa_device *id, const char *name);
  static char vt_description[];
  #define VT_DESCR_LEN 40
  #endif /* PCVT_FREEBSD > 205 */
***************
*** 162,167 ****
--- 168,177 ----
  {
  #endif /* PCVT_NETBSD > 9 */
  
+ #ifdef DEVFS
+       char dev_name[10];
+ 	int vt;
+ #endif /*DEVFS*/
  	int i;
  
  	vt_coldmalloc();		/* allocate memory for screens */
***************
*** 332,337 ****
--- 342,355 ----
  
  	cdevsw_add(&dev, &pcdevsw, NULL);
  	}
+ 
+ #ifdef DEVFS	
+ 	for(vt = 0; vt < MAXCONS; vt++) {
+           pcvt_devfs_token[vt] = 
+ 		devfs_add_devswf(&pcdevsw, vt,
+                                  DV_CHR, 0, 0, 0600, "ttyv%n", vt );
+ 	}
+ #endif DEVFS
  #endif /* PCVT_FREEBSD > 205 */
  
  #if PCVT_NETBSD > 9


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