From e5fe916aa4601b46bb347f71b1f486eb786d02da Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Wed, 11 Jan 1995 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1995-01-11

---
 pc/devi82365.c | 36 +++++++++++++++++++++++++++++++-----
 pc/fns.h       |  2 +-
 2 files changed, 32 insertions(+), 6 deletions(-)

diff --git a/pc/devi82365.c b/pc/devi82365.c
index 75ca1015b9bef47bf5e5b3d72dfbdec62c886645..3ac07f13dff3b2992645bb0bf1dba93e5ffdf38f 100644
--- a/pc/devi82365.c
+++ b/pc/devi82365.c
@@ -151,6 +151,7 @@ struct Slot
 	uchar	busy;
 
 	/* cis info */
+	uchar	verstr[512];	/* version string */
 	uchar	vpp1;
 	uchar	vpp2;
 	uchar	bit16;
@@ -379,24 +380,24 @@ decrefp(Slot *pp)
 	qunlock(pp->cp);
 }
 
-int
+char*
 pcmspecial(int dev)
 {
 	Slot *pp;
 
 	i82365reset();
 	if(dev >= nslot)
-		return -1;
+		return 0;
 	pp = slot + dev;
 	if(pp->special)
-		return -1;
+		return 0;
 	increfp(pp);
 	if(!pp->occupied){
 		decrefp(pp);
-		return -1;
+		return 0;
 	}
 	pp->special = 1;
-	return 0;
+	return pp->verstr;
 }
 
 void
@@ -850,9 +851,11 @@ pcmio(int dev, ISAConf *isa)
  */
 static void	tcfig(Slot*, int);
 static void	tentry(Slot*, int);
+static void	tvers1(Slot*, int);
 
 static void (*parse[256])(Slot*, int) =
 {
+[0x15]	tvers1,
 [0x1A]	tcfig,
 [0x1B]	tentry,
 };
@@ -1159,3 +1162,26 @@ tentry(Slot *pp, int ttype)
 	}
 	pp->configed++;
 }
+
+void
+tvers1(Slot *pp, int ttype)
+{
+	uchar c, major, minor;
+	int  i;
+
+	USED(ttype);
+	if(readc(pp, &major) != 1)
+		return;
+	if(readc(pp, &minor) != 1)
+		return;
+	for(i = 0; i < sizeof(pp->verstr)-1; i++){
+		if(readc(&c) != 1)
+			return;
+		if(c == 0)
+			c = '\n';
+		if(c == 0xff)
+			break;
+		pp->verstr[i] = c;
+	}
+	pp->verstr[i] = 0;
+}
diff --git a/pc/fns.h b/pc/fns.h
index 2e313d2c26e58d238d5f7b041ac807aacb5db497..4ecbc18b4c618df214e58617e36c1b763cfcf479 100644
--- a/pc/fns.h
+++ b/pc/fns.h
@@ -62,7 +62,7 @@ void	outsl(int, void*, int);
 void	pcicreset(void);
 int	pcmio(int, ISAConf*);
 long	pcmread(int, int, void*, long, ulong);
-int	pcmspecial(int);
+char*	pcmspecial(int);
 void	pcmspecialclose(int);
 long	pcmwrite(int, int, void*, long, ulong);
 void	prflush(void);