From 8f67315a57ee3ef314187544f5a12b5037a2a692 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sat, 7 Sep 1991 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1991-09-07

---
 gnot/boot.c |  23 +-
 gnot/boot.h | 687 +++++++++++++++++++++++++++-------------------------
 gnot/main.c |   4 +-
 pc/main.c   |   6 +-
 4 files changed, 372 insertions(+), 348 deletions(-)

diff --git a/gnot/boot.c b/gnot/boot.c
index 490da3f4546e52fb61a377aa80282ae0ae2614a2..0f5c578670cd11f7de8fac033f7568f0c68c0bd5 100644
--- a/gnot/boot.c
+++ b/gnot/boot.c
@@ -19,8 +19,9 @@ char 	bootdevice;
 int	authenticated;
 
 char	bootline[64];
-char	password[32];
-char	username[32];
+char	bootuser[NAMELEN];
+char	password[NAMELEN];
+char	username[NAMELEN];
 char	sys[NAMELEN];
 char	buf[4*1024];
 
@@ -44,7 +45,7 @@ void	kill(int);
 void	passwd(void);
 int	authenticate(int);
 void	termtype(char*);
-void	userpasswd(void);
+void	setuser(char*);
 int	fileserver(void);
 int	inconctl(void);
 int	asyncctl(char*);
@@ -77,8 +78,12 @@ main(int argc, char *argv[])
 	 */
 	if(!authenticated){
 		strcpy(username, "none");
-		userpasswd();
+		outin("user", username, sizeof(username));
+		passwd();
+	} else {
+		strcpy(username, bootuser);
 	}
+	setuser(username);
 
 	/*
 	 *  get the control channel for the network
@@ -161,6 +166,11 @@ bootparams(void)
 		read(f, &bootdevice, 1);
 		close(f);
 	}
+	f = open("#e/bootuser", OREAD);
+	if(f >= 0){
+		read(f, &bootuser, sizeof(bootuser));
+		close(f);
+	}
 	f = open("#e/bootserver", OREAD);
 	if(f >= 0){
 		read(f, sys, sizeof(sys));
@@ -196,13 +206,10 @@ termtype(char *t)
  *  boot rom didn't authenticate
  */
 void
-userpasswd(void)
+setuser(char *name)
 {
 	int fd;
 
-	outin("user", username, sizeof(username));
-	passwd();
-
 	/*
 	 *  set user id
 	 */
diff --git a/gnot/boot.h b/gnot/boot.h
index d561a8f6358811994fd304ee02f8ec84e07c7879..879cff2eb8c3f89f3762ff1e37a333f7b7eec9f7 100644
--- a/gnot/boot.h
+++ b/gnot/boot.h
@@ -1,8 +1,8 @@
 ulong bootcode[]={
 	0x000000107,
-	0x000003040,
-	0x0000006d0,
-	0x00000129c,
+	0x000003084,
+	0x0000006d8,
+	0x0000012b0,
 	0x000000000,
 	0x000002020,
 	0x000000000,
@@ -14,87 +14,98 @@ ulong bootcode[]={
 	0x000142f2f,
 	0x00014610c,
 	0x02f006100,
-	0x00eec4fef,
+	0x00f304fef,
 	0x0001c4e75,
 	0x0518f42a7,
 	0x0486e811a,
-	0x061001126,
+	0x06100116a,
 	0x048780001,
 	0x0486e8122,
-	0x06100111a,
+	0x06100115e,
 	0x048780001,
 	0x0486e812a,
-	0x06100110e,
+	0x061001152,
 	0x0487803e8,
-	0x061001112,
-	0x0610000ca,
+	0x061001156,
+	0x0610000f6,
 	0x0486e8132,
-	0x0610001c6,
+	0x06100021e,
 	0x04aae8006,
-	0x06612486e,
-	0x0813e486e,
-	0x098ce6100,
-	0x010466100,
-	0x0020c508f,
-	0x06100025e,
-	0x04fef0020,
+	0x0660000d2,
+	0x0486e813e,
+	0x0486e98ee,
+	0x061001088,
+	0x04878001c,
+	0x0486e98ee,
+	0x0486e8143,
+	0x061000bd0,
+	0x061000d94,
+	0x0486e98ee,
+	0x06100024a,
+	0x06100028a,
+	0x04fef0038,
 	0x07241b280,
 	0x06700008a,
 	0x07261b280,
 	0x067747269,
 	0x0b280676c,
-	0x0610002f0,
+	0x06100031c,
 	0x024002f02,
-	0x06100038e,
-	0x0486e974e,
-	0x0610003e2,
+	0x0610003ba,
+	0x0486e9756,
+	0x06100040e,
 	0x04a806d3e,
 	0x02f006100,
-	0x004d04aae,
+	0x004fc4aae,
 	0x0802e6720,
 	0x042a7486e,
+	0x08182486e,
 	0x0817d486e,
-	0x08178486e,
-	0x0816c6100,
-	0x00f92486e,
-	0x081916100,
-	0x00b144fef,
+	0x081716100,
+	0x00fbe486e,
+	0x081966100,
+	0x00b404fef,
 	0x000284e75,
 	0x042a7486e,
-	0x0818c486e,
-	0x081806100,
-	0x00f76598f,
+	0x08191486e,
+	0x081856100,
+	0x00fa2598f,
 	0x060e0486e,
-	0x081506100,
-	0x00e6a4878,
+	0x081556100,
+	0x00e964878,
 	0x003e86100,
-	0x0106c4fef,
+	0x010984fef,
 	0x0000c60a0,
 	0x06092486e,
-	0x081436100,
-	0x002ae2400,
+	0x081486100,
+	0x002da2400,
 	0x0588f608a,
-	0x0486e814a,
-	0x0610002a0,
+	0x0486e814f,
+	0x0610002cc,
 	0x02400588f,
 	0x06000ff7c,
+	0x0486e98b6,
+	0x0486e98ee,
+	0x061000fb8,
+	0x04feffff4,
+	0x06000ff3e,
 	0x0518f42ae,
 	0x0802a42ae,
 	0x0802e42a7,
-	0x0486e819d,
-	0x061001026,
+	0x0486e81a2,
+	0x06100103e,
 	0x04a806d74,
 	0x04878003f,
-	0x0486e986e,
+	0x0486e9876,
 	0x02f002f40,
 	0x000186100,
-	0x010162f2f,
+	0x0102e2f2f,
 	0x000186100,
-	0x00fe4207c,
-	0x00000786c,
+	0x00ffc207c,
+	0x000007874,
 	0x048780020,
 	0x02f086100,
-	0x00f0e2040,
+	0x00f262040,
 	0x04a804fef,
 	0x000186740,
 	0x052880c10,
@@ -114,94 +125,100 @@ ulong bootcode[]={
 	0x070012d40,
 	0x0802a60ea,
 	0x042a7486e,
-	0x081a96100,
-	0x00fa44a80,
+	0x081ae6100,
+	0x00fbc4a80,
 	0x06d1e4878,
 	0x00001486e,
 	0x080362f00,
 	0x02f400020,
-	0x061000f94,
+	0x061000fac,
 	0x02f2f0020,
-	0x061000f62,
+	0x061000f7a,
 	0x04fef0010,
 	0x042a7486e,
-	0x081b76100,
-	0x00f784a80,
-	0x06d2e4878,
+	0x081bc6100,
+	0x00f904a80,
+	0x06d1e4878,
 	0x0001c486e,
-	0x0974e2f00,
+	0x098b62f00,
 	0x02f400028,
-	0x061000f68,
+	0x061000f80,
 	0x02f2f0028,
-	0x061000f36,
+	0x061000f4e,
+	0x04fef0010,
+	0x042a7486e,
+	0x081c86100,
+	0x00f644a80,
+	0x06d2e4878,
+	0x0001c486e,
+	0x097562f00,
+	0x02f400030,
+	0x061000f54,
+	0x02f2f0030,
+	0x061000f22,
 	0x00c2e0069,
 	0x080366606,
 	0x070012d40,
 	0x080064fef,
-	0x000304e75,
-	0x0486e81c5,
-	0x0486e974e,
-	0x061000e98,
+	0x000384e75,
+	0x0486e81d6,
+	0x0486e9756,
+	0x061000e84,
 	0x0518f60dc,
 	0x0598f4878,
 	0x001b64878,
 	0x00001486e,
-	0x081c96100,
-	0x00f064a80,
+	0x081da6100,
+	0x00ef24a80,
 	0x042e72f40,
 	0x0000e44df,
 	0x06c0a486e,
-	0x081d56100,
-	0x0099c588f,
+	0x081e66100,
+	0x00988588f,
 	0x02f2f0014,
-	0x061000e76,
+	0x061000e62,
 	0x0588f2f00,
 	0x02f2f0018,
 	0x02f2f0014,
-	0x061000f0e,
+	0x061000efa,
 	0x04a806c0a,
-	0x0486e81de,
-	0x061000976,
+	0x0486e81ef,
+	0x061000962,
 	0x0588f2f2f,
 	0x000186100,
-	0x00ebc4fef,
+	0x00ea84fef,
 	0x000204e75,
 	0x0598f4878,
-	0x00020486e,
-	0x098ce486e,
-	0x081e76100,
-	0x0097e6100,
-	0x00b424878,
 	0x00011486e,
-	0x081ec6100,
+	0x081f86100,
 	0x00eb84a80,
 	0x042e72f40,
-	0x0001644df,
+	0x0000a44df,
 	0x06d24486e,
-	0x098ce6100,
+	0x098ee6100,
 	0x00e14588f,
 	0x02f00486e,
-	0x098ce2f2f,
-	0x0001c6100,
+	0x098ee2f2f,
+	0x000106100,
 	0x00eac2f2f,
-	0x000206100,
+	0x000146100,
 	0x00e684fef,
 	0x000104fef,
-	0x000184e75,
+	0x0000c4e75,
 	0x0598f142e,
 	0x080360c02,
 	0x000736708,
 	0x0100249c0,
 	0x0588f4e75,
-	0x0486e81f4,
+	0x0486e8200,
 	0x0486f0004,
 	0x061000dc0,
-	0x0486e81f6,
-	0x0486e974e,
+	0x0486e8202,
+	0x0486e9756,
 	0x061000db4,
 	0x048780004,
 	0x0486f0014,
-	0x0486e81fa,
+	0x0486e8206,
 	0x0610008fc,
 	0x0102f001c,
 	0x049c04fef,
@@ -215,30 +232,30 @@ ulong bootcode[]={
 	0x0706c588f,
 	0x04e754878,
 	0x0001c486e,
-	0x0974e486e,
-	0x082226100,
+	0x09756486e,
+	0x0822e6100,
 	0x008c27069,
 	0x04fef0010,
 	0x04e754878,
 	0x0001c486e,
-	0x0974e486e,
-	0x082306100,
+	0x09756486e,
+	0x0823c6100,
 	0x008aa7041,
 	0x04fef0010,
 	0x04e754878,
 	0x0001c486e,
-	0x0974e486e,
-	0x082296100,
+	0x09756486e,
+	0x082356100,
 	0x008927061,
 	0x04fef0010,
 	0x04e75598f,
 	0x048780002,
-	0x0486e8237,
+	0x0486e8243,
 	0x061000dc6,
 	0x0220042e7,
 	0x02f40000a,
 	0x044df6c0e,
-	0x0486e823e,
+	0x0486e824a,
 	0x06100083e,
 	0x0222f000c,
 	0x0588f2001,
@@ -246,40 +263,40 @@ ulong bootcode[]={
 	0x04e754fef,
 	0x0fff44878,
 	0x00002486e,
-	0x0824d6100,
+	0x082596100,
 	0x00d942f40,
 	0x000104aaf,
 	0x000106c0a,
-	0x0486e8258,
+	0x0486e8264,
 	0x06100080e,
 	0x0588f2f2f,
 	0x000182f2f,
 	0x000146100,
 	0x007ac4878,
 	0x00002486e,
-	0x0826b6100,
+	0x082776100,
 	0x00d682f40,
 	0x0001c4aaf,
 	0x0001c6c0a,
-	0x0486e8273,
+	0x0486e827f,
 	0x0610007e2,
 	0x0588f2f2f,
 	0x0001c6100,
 	0x008662f2f,
 	0x000206100,
 	0x00d20486e,
-	0x082832f2f,
+	0x0828f2f2f,
 	0x0002c6100,
 	0x00770202f,
 	0x000304fef,
 	0x000344e75,
-	0x0486e828e,
+	0x0486e829a,
 	0x02f2f0008,
 	0x06100075a,
 	0x0206f000c,
 	0x04aae8006,
 	0x0673a486e,
-	0x082992f08,
+	0x082a52f08,
 	0x061000746,
 	0x061000cfe,
 	0x04fef0010,
@@ -293,37 +310,37 @@ ulong bootcode[]={
 	0x0ea606100,
 	0x00cf0588f,
 	0x060f260ee,
-	0x0486e82af,
+	0x0486e82bb,
 	0x02f086100,
 	0x0070c60c4,
 	0x04feffff0,
 	0x02f2f0014,
-	0x0486e82c3,
-	0x0486e86d2,
+	0x0486e82cf,
+	0x0486e86da,
 	0x061000b90,
-	0x0486e86d2,
+	0x0486e86da,
 	0x061000c26,
 	0x02f400010,
 	0x042af0014,
 	0x048780002,
-	0x0486e82ce,
+	0x0486e82da,
 	0x061000ca2,
 	0x04a8042e7,
 	0x02f400026,
 	0x044df6c0a,
-	0x0486e82d8,
+	0x0486e82e4,
 	0x06100071a,
 	0x0588f4878,
 	0x00002486e,
-	0x082ea6100,
+	0x082f66100,
 	0x00c802f40,
 	0x000284aaf,
 	0x000286c0a,
-	0x0486e82f3,
+	0x0486e82ff,
 	0x0610006fa,
 	0x0588f2f2f,
 	0x00020486e,
-	0x086d22f2f,
+	0x086da2f2f,
 	0x000306100,
 	0x00c74b0af,
 	0x0002c660e,
@@ -345,22 +362,22 @@ ulong bootcode[]={
 	0x000286000,
 	0x0ff682f2f,
 	0x00040486e,
-	0x083046100,
+	0x083106100,
 	0x00a0a486e,
-	0x083152f2f,
+	0x083212f2f,
 	0x000406100,
 	0x006342f2f,
 	0x000446100,
 	0x00bd02d7c,
-	0x000006318,
+	0x000006324,
 	0x0800a2d7c,
-	0x00000631b,
+	0x000006327,
 	0x08032202f,
 	0x0004c4fef,
 	0x000504e75,
 	0x04feffecc,
 	0x04878002f,
-	0x0486e974e,
+	0x0486e9756,
 	0x061000b52,
 	0x024006700,
 	0x002505282,
@@ -372,105 +389,105 @@ ulong bootcode[]={
 	0x02f2f0148,
 	0x0610004d4,
 	0x02f40014c,
-	0x0486e8320,
+	0x0486e832c,
 	0x06100099c,
 	0x02f2f0140,
-	0x0486e8328,
-	0x0486e86d2,
+	0x0486e8334,
+	0x0486e86da,
 	0x061000a5c,
 	0x0487801b6,
 	0x048780001,
-	0x0486e86d2,
+	0x0486e86da,
 	0x061000b5c,
 	0x04a8042e7,
 	0x02f40015e,
 	0x044df6c0a,
-	0x0486e832e,
+	0x0486e833a,
 	0x0610005f2,
 	0x0588f2f2f,
 	0x00168486e,
-	0x08335486e,
-	0x086d26100,
+	0x08341486e,
+	0x086da6100,
 	0x00a26486e,
-	0x086d26100,
+	0x086da6100,
 	0x00abc588f,
 	0x02f00486e,
-	0x086d22f2f,
+	0x086da2f2f,
 	0x001706100,
 	0x00b542f00,
-	0x0486e86d2,
+	0x0486e86da,
 	0x061000aa2,
 	0x0588f221f,
 	0x0b280670a,
-	0x0486e8338,
+	0x0486e8344,
 	0x0610005ae,
 	0x0588f2f2f,
 	0x001746100,
 	0x00af44878,
 	0x001b64878,
 	0x00001486e,
-	0x0833e6100,
+	0x0834a6100,
 	0x00aea4a80,
 	0x042e72f40,
 	0x0018644df,
 	0x06c0a486e,
-	0x083466100,
+	0x083526100,
 	0x00580588f,
 	0x02f2f0190,
-	0x0486e834d,
-	0x0486e86d2,
+	0x0486e8359,
+	0x0486e86da,
 	0x0610009b4,
-	0x0486e86d2,
+	0x0486e86da,
 	0x061000a4a,
 	0x0588f2f00,
-	0x0486e86d2,
+	0x0486e86da,
 	0x02f2f0198,
 	0x061000ae2,
 	0x02f00486e,
-	0x086d26100,
+	0x086da6100,
 	0x00a30588f,
 	0x0221fb280,
 	0x0670a486e,
-	0x083506100,
+	0x0835c6100,
 	0x0053c588f,
 	0x02f2f019c,
 	0x061000a82,
-	0x0486e8356,
+	0x0486e8362,
 	0x0610008a0,
 	0x042a7486e,
-	0x08361486e,
-	0x0835f6100,
+	0x0836d486e,
+	0x0836b6100,
 	0x00a5a4a80,
 	0x06c0a486e,
-	0x083636100,
+	0x0836f6100,
 	0x00510588f,
-	0x0486e836b,
-	0x0486e836a,
+	0x0486e8377,
+	0x0486e8376,
 	0x048780006,
-	0x0486e8368,
+	0x0486e8374,
 	0x02f2f01cc,
 	0x061000a64,
 	0x04a806c0a,
-	0x0486e836c,
+	0x0486e8378,
 	0x0610004ea,
 	0x0588f486e,
-	0x083726100,
+	0x0837e6100,
 	0x00856486f,
 	0x000dc486e,
-	0x0837a6100,
+	0x083866100,
 	0x00a5a4a80,
 	0x06c0a486e,
-	0x0837e6100,
+	0x0838a6100,
 	0x004c8588f,
 	0x0486f0158,
 	0x0486f00e8,
 	0x061000a52,
 	0x048780001,
-	0x0486e8383,
+	0x0486e838f,
 	0x061000a22,
 	0x02f4001e0,
 	0x02f2f01c8,
-	0x0486e838b,
+	0x0486e8397,
 	0x0486f00fc,
 	0x0610008e0,
 	0x0486f0100,
@@ -481,42 +498,42 @@ ulong bootcode[]={
 	0x061000a0e,
 	0x02f2f01f8,
 	0x0610009ca,
-	0x0486e838f,
+	0x0486e839b,
 	0x0610007e8,
 	0x04aae8032,
 	0x067302f2e,
 	0x0800a486e,
-	0x08398486f,
+	0x083a4486f,
 	0x000dc6100,
 	0x008a242a7,
 	0x0486f00e4,
 	0x02f2e8032,
 	0x06100098c,
 	0x042a7486e,
-	0x083a02f2e,
+	0x083ac2f2e,
 	0x080326100,
 	0x0097e4fef,
 	0x000244aae,
 	0x0800a672e,
 	0x02f2e800a,
-	0x0486e83a9,
+	0x0486e83b5,
 	0x0486f00dc,
 	0x06100086c,
 	0x0486f00e0,
-	0x0486e83b9,
+	0x0486e83c5,
 	0x061000790,
 	0x042a7486e,
-	0x083db486f,
+	0x083e7486f,
 	0x000f06100,
 	0x0094a4fef,
 	0x000204fef,
 	0x002084e75,
 	0x02f7c0000,
-	0x0774c0130,
+	0x077540130,
 	0x06000fdae,
 	0x0598f4878,
 	0x01000486e,
-	0x086d22f2f,
+	0x086da2f2f,
 	0x000106100,
 	0x0095e2200,
 	0x07002b081,
@@ -524,181 +541,181 @@ ulong bootcode[]={
 	0x005ca70ff,
 	0x04fef0010,
 	0x04e75422e,
-	0x086d4486e,
-	0x083ec486e,
-	0x086d26100,
+	0x086dc486e,
+	0x083f8486e,
+	0x086da6100,
 	0x008704a80,
 	0x066084280,
 	0x04fef0018,
 	0x04e75486e,
-	0x083ef486e,
-	0x086d26100,
+	0x083fb486e,
+	0x086da6100,
 	0x008584a80,
 	0x06634486e,
-	0x098ae486e,
-	0x098ce486e,
-	0x083f2486e,
-	0x086d26100,
+	0x098d2486e,
+	0x098ee486e,
+	0x083fe486e,
+	0x086da6100,
 	0x007d6486e,
-	0x086d26100,
+	0x086da6100,
 	0x0086c588f,
 	0x02f00486e,
-	0x086d22f2f,
+	0x086da2f2f,
 	0x0003c6100,
 	0x009044fef,
 	0x000386000,
 	0x0ff7e486e,
-	0x083f9486e,
-	0x086d26100,
+	0x08405486e,
+	0x086da6100,
 	0x008144a80,
 	0x04fef0024,
 	0x06600ff68,
 	0x061000548,
-	0x0486e98ae,
-	0x0486e98ce,
-	0x0486e83fc,
-	0x0486e86d2,
+	0x0486e98d2,
+	0x0486e98ee,
+	0x0486e8408,
+	0x0486e86da,
 	0x061000788,
-	0x0486e86d2,
+	0x0486e86da,
 	0x06100081e,
 	0x0588f2f00,
-	0x0486e86d2,
+	0x0486e86da,
 	0x02f2f0020,
 	0x0610008b6,
 	0x04fef001c,
 	0x06000ff30,
 	0x0598f486e,
-	0x084036100,
+	0x0840f6100,
 	0x0068e1d7c,
-	0x0003296d2,
+	0x0003296da,
 	0x03d7cffff,
-	0x096d6486e,
-	0x086d2486e,
-	0x096d26100,
+	0x096de486e,
+	0x086da486e,
+	0x096da6100,
 	0x010602f00,
 	0x02f400010,
-	0x0486e86d2,
+	0x0486e86da,
 	0x02f2f001c,
 	0x06100087a,
 	0x0b0af0018,
 	0x0670a486e,
-	0x0840a6100,
+	0x084166100,
 	0x002e0588f,
 	0x048781000,
-	0x0486e86d2,
+	0x0486e86da,
 	0x02f2f0028,
 	0x061000848,
 	0x022007002,
 	0x0b0816608,
 	0x00c2e004f,
-	0x086d2677c,
+	0x086da677c,
 	0x04a8142e7,
 	0x02f410026,
 	0x044df6e0e,
-	0x0486e8414,
+	0x0486e8420,
 	0x0610002aa,
 	0x0222f0028,
 	0x0588f2f01,
-	0x0486e96d2,
-	0x0486e86d2,
+	0x0486e96da,
+	0x0486e86da,
 	0x0610009c2,
 	0x04a806638,
-	0x0102e86d5,
+	0x0102e86dd,
 	0x049c02f00,
-	0x0102e86d4,
+	0x0102e86dc,
 	0x049c02f00,
-	0x0102e86d3,
+	0x0102e86db,
 	0x049c02f00,
-	0x0102e86d2,
+	0x0102e86da,
 	0x049c02f00,
 	0x02f2f0040,
-	0x0486e841d,
+	0x0486e8429,
 	0x0610005dc,
-	0x0486e8444,
+	0x0486e8450,
 	0x06100025e,
 	0x04fef001c,
 	0x00c2e0033,
-	0x096d2670a,
-	0x0486e844f,
+	0x096da670a,
+	0x0486e845b,
 	0x06100024a,
 	0x0588f4fef,
 	0x000344e75,
 	0x00c2e004b,
-	0x086d36600,
+	0x086db6600,
 	0x0ff7c4878,
 	0x01000486e,
-	0x086d22f2f,
+	0x086da2f2f,
 	0x000346100,
 	0x007a22200,
 	0x04fef000c,
 	0x06000ff62,
 	0x0598f486e,
-	0x084586100,
+	0x084646100,
 	0x0058a1d7c,
-	0x0003496d2,
+	0x0003496da,
 	0x03d7cffff,
-	0x096d6486e,
-	0x086d2486e,
-	0x096d26100,
+	0x096de486e,
+	0x086da486e,
+	0x096da6100,
 	0x00f5c2f00,
 	0x02f400010,
-	0x0486e86d2,
+	0x0486e86da,
 	0x02f2f001c,
 	0x061000776,
 	0x0b0af0018,
 	0x0670a486e,
-	0x084636100,
+	0x0846f6100,
 	0x001dc588f,
 	0x048781000,
-	0x0486e86d2,
+	0x0486e86da,
 	0x02f2f0028,
 	0x061000744,
 	0x02f400024,
 	0x04aaf0024,
 	0x06e0a486e,
-	0x084716100,
+	0x0847d6100,
 	0x001b8588f,
 	0x02f2f0024,
-	0x0486e96d2,
-	0x0486e86d2,
+	0x0486e96da,
+	0x0486e86da,
 	0x0610008d2,
 	0x04a80660a,
-	0x0486e847e,
+	0x0486e848a,
 	0x06100019a,
 	0x0588f0c2e,
-	0x0003796d2,
+	0x0003796da,
 	0x06618486e,
-	0x096d8486e,
-	0x0848d6100,
+	0x096e0486e,
+	0x084996100,
 	0x004fa486e,
-	0x096d86100,
+	0x096e06100,
 	0x0017c4fef,
 	0x0000c0c2e,
-	0x0003596d2,
+	0x0003596da,
 	0x0670a486e,
-	0x084976100,
+	0x084a36100,
 	0x00168588f,
 	0x04fef0034,
 	0x04e754fef,
 	0x0ff804857,
-	0x0486e84a4,
+	0x0486e84b0,
 	0x06100150c,
 	0x04a806c0a,
 	0x0202f008c,
 	0x04fef0088,
 	0x04e75486f,
 	0x00008486e,
-	0x084a96100,
+	0x084b56100,
 	0x014f24a80,
 	0x06c0a202f,
 	0x000944fef,
 	0x000904e75,
-	0x0486e84b5,
+	0x0486e84c1,
 	0x061000498,
 	0x0486f0088,
 	0x06100065e,
 	0x04a806c0a,
-	0x0486e84bc,
+	0x0486e84c8,
 	0x06100010e,
 	0x0588f6100,
 	0x006704fef,
@@ -728,23 +745,23 @@ ulong bootcode[]={
 	0x0610005f6,
 	0x04aae802a,
 	0x0672042a7,
-	0x0486e84da,
+	0x0486e84e6,
+	0x0486e84e3,
+	0x0486e84df,
 	0x0486e84d7,
-	0x0486e84d3,
-	0x0486e84cb,
-	0x0486e84c6,
+	0x0486e84d2,
 	0x0610004fc,
 	0x04fef0034,
 	0x060a242a7,
-	0x0486e84f9,
-	0x0486e84f6,
-	0x0486e84f3,
-	0x0486e84eb,
-	0x0486e84e6,
+	0x0486e8505,
+	0x0486e8502,
+	0x0486e84ff,
+	0x0486e84f7,
+	0x0486e84f2,
 	0x0610004dc,
 	0x04fef0034,
 	0x06082486e,
-	0x084c16158,
+	0x084cd6158,
 	0x0588f6082,
 	0x0598f2f2f,
 	0x0000c6100,
@@ -763,7 +780,7 @@ ulong bootcode[]={
 	0x005ae486f,
 	0x000042f2f,
 	0x0004c486e,
-	0x085054878,
+	0x085114878,
 	0x000026100,
 	0x003e64fef,
 	0x000544e75,
@@ -772,7 +789,7 @@ ulong bootcode[]={
 	0x0058a486f,
 	0x000042f2f,
 	0x0004c486e,
-	0x085134878,
+	0x0851f4878,
 	0x000026100,
 	0x003c242a7,
 	0x06100031c,
@@ -781,7 +798,7 @@ ulong bootcode[]={
 	0x0fefc2f2f,
 	0x0010c2f2f,
 	0x0010c486e,
-	0x085216100,
+	0x0852d6100,
 	0x0033a2f2f,
 	0x0011c486f,
 	0x0001042a7,
@@ -791,7 +808,7 @@ ulong bootcode[]={
 	0x042e72f40,
 	0x0010244df,
 	0x06c0c486e,
-	0x0852a619c,
+	0x08536619c,
 	0x0222f0104,
 	0x0588f7001,
 	0x0b0816716,
@@ -804,7 +821,7 @@ ulong bootcode[]={
 	0x04fef0104,
 	0x04e754fef,
 	0x0ff70486e,
-	0x0854c6100,
+	0x085586100,
 	0x002de6100,
 	0x004cc2f40,
 	0x0000c588f,
@@ -813,11 +830,11 @@ ulong bootcode[]={
 	0x04281b280,
 	0x067000098,
 	0x042a7486e,
-	0x085896100,
+	0x085956100,
 	0x004b82f40,
 	0x000084aaf,
 	0x000086c0a,
-	0x0486e8592,
+	0x0486e859e,
 	0x06100ff32,
 	0x0588f4878,
 	0x00001486f,
@@ -841,7 +858,7 @@ ulong bootcode[]={
 	0x000086100,
 	0x00430486f,
 	0x0001c486e,
-	0x085a06100,
+	0x085ac6100,
 	0x0024a4fef,
 	0x00014518f,
 	0x0609c2f2f,
@@ -858,7 +875,7 @@ ulong bootcode[]={
 	0x0001c6100,
 	0x0042e486f,
 	0x00020486e,
-	0x0856f6100,
+	0x0857b6100,
 	0x0020660fe,
 	0x04282b483,
 	0x06c180c37,
@@ -873,19 +890,19 @@ ulong bootcode[]={
 	0x0610003ee,
 	0x04fef0018,
 	0x060a4486e,
-	0x085636100,
+	0x0856f6100,
 	0x0fe54588f,
 	0x060984fef,
 	0x0ffdc2f2f,
 	0x00028486e,
-	0x085bb486f,
+	0x085c7486f,
 	0x0000c6100,
 	0x002824878,
 	0x00001486f,
 	0x000146100,
 	0x003a44878,
 	0x00003486e,
-	0x085c92f00,
+	0x085d52f00,
 	0x02f400020,
 	0x0610003aa,
 	0x02f2f0020,
@@ -893,15 +910,15 @@ ulong bootcode[]={
 	0x04fef0048,
 	0x04e754fef,
 	0x0ff7442a7,
-	0x0486e85cd,
+	0x0486e85d9,
 	0x061000376,
 	0x04a8042e7,
 	0x02f400012,
 	0x044df6c0a,
-	0x0486e85d6,
+	0x0486e85e2,
 	0x06100fdee,
 	0x0588f486e,
-	0x085f96100,
+	0x086056100,
 	0x0015a42af,
 	0x000184878,
 	0x00001486f,
@@ -910,7 +927,7 @@ ulong bootcode[]={
 	0x0034a2f40,
 	0x000284aaf,
 	0x000286c0a,
-	0x0486e8604,
+	0x0486e8610,
 	0x06100fdbe,
 	0x0588f4aaf,
 	0x000284fef,
@@ -924,23 +941,23 @@ ulong bootcode[]={
 	0x0b2006748,
 	0x0202f000c,
 	0x01daf0014,
-	0x0092098ae,
+	0x0092098d2,
 	0x052af000c,
 	0x00c2f000a,
 	0x000146710,
-	0x07020b0af,
+	0x0701cb0af,
 	0x0000c4fef,
 	0x0fff46e92,
 	0x04fef000c,
 	0x0202f000c,
 	0x042360920,
-	0x098ae2f2f,
+	0x098d22f2f,
 	0x000086100,
 	0x002ac486e,
-	0x086296100,
+	0x086356100,
 	0x000ca4fef,
 	0x000944e75,
-	0x0486e8627,
+	0x0486e8633,
 	0x0610000bc,
 	0x0598f6000,
 	0x0ff5660b8,
@@ -950,10 +967,10 @@ ulong bootcode[]={
 	0x0598f4281,
 	0x07021b081,
 	0x06f1e4ab6,
-	0x01d2097ea,
+	0x01d2097f2,
 	0x0660e2daf,
 	0x000081d20,
-	0x097ea7001,
+	0x097f27001,
 	0x0588f4e75,
 	0x052817021,
 	0x0b0816ee2,
@@ -963,9 +980,9 @@ ulong bootcode[]={
 	0x042827021,
 	0x0b0826f18,
 	0x020362d20,
-	0x097eab088,
+	0x097f2b088,
 	0x0660642b6,
-	0x02d2097ea,
+	0x02d2097f2,
 	0x052827021,
 	0x0b0826ee8,
 	0x0588f4e75,
@@ -977,11 +994,11 @@ ulong bootcode[]={
 	0x04e75518f,
 	0x072204a81,
 	0x06d222eb6,
-	0x01d2097ea,
+	0x01d2097f2,
 	0x04a976712,
 	0x02f410004,
 	0x042b61d20,
-	0x097ea4eb7,
+	0x097f24eb7,
 	0x00151222f,
 	0x000045381,
 	0x04a816cde,
@@ -2042,54 +2059,54 @@ ulong bootcode[]={
 	0x0f1b84280,
 	0x04fef0084,
 	0x04e752d7c,
-	0x00000468e,
-	0x086361d7c,
-	0x000019919,
+	0x0000046d2,
+	0x0863e1d7c,
+	0x000019935,
 	0x01d7c0001,
-	0x0991b1d7c,
-	0x000019911,
+	0x099371d7c,
+	0x00001992d,
 	0x01d7c0001,
-	0x099561d7c,
-	0x00001995a,
+	0x099721d7c,
+	0x000019976,
 	0x01d7c0001,
-	0x099632d7c,
-	0x0000042fe,
-	0x0863a1d7c,
-	0x000029952,
+	0x0997f2d7c,
+	0x000004342,
+	0x086421d7c,
+	0x00002996e,
 	0x01d7c0002,
-	0x0995d1d7c,
-	0x000029966,
+	0x099791d7c,
+	0x000029982,
 	0x01d7c0002,
-	0x099462d7c,
-	0x0000046e0,
-	0x0863e1d7c,
-	0x000039953,
+	0x099622d7c,
+	0x000004724,
+	0x086461d7c,
+	0x00003996f,
 	0x01d7c0003,
-	0x099541d7c,
-	0x000039955,
+	0x099701d7c,
+	0x000039971,
 	0x01d7c0003,
-	0x099331d7c,
-	0x000039935,
+	0x0994f1d7c,
+	0x000039951,
 	0x02d7c0000,
-	0x046308642,
+	0x04674864a,
 	0x01d7c0004,
-	0x099512d7c,
-	0x000004656,
-	0x086461d7c,
-	0x000059961,
+	0x0996d2d7c,
+	0x00000469a,
+	0x0864e1d7c,
+	0x00005997d,
 	0x02d7c0000,
-	0x04674864a,
+	0x046b88652,
 	0x01d7c0006,
-	0x099137007,
+	0x0992f7007,
 	0x02d408016,
 	0x048780080,
 	0x048780001,
-	0x0486e976a,
+	0x0486e9772,
 	0x061000eba,
-	0x0422e976a,
-	0x0422e9773,
-	0x0422e9774,
-	0x0422e978f,
+	0x0422e9772,
+	0x0422e977b,
+	0x0422e977c,
+	0x0422e9797,
 	0x04fef000c,
 	0x04e754aae,
 	0x080166604,
@@ -2102,13 +2119,13 @@ ulong bootcode[]={
 	0x08016122f,
 	0x0000749c1,
 	0x01d801920,
-	0x098ee52ae,
+	0x0990a52ae,
 	0x08016122f,
 	0x0000749c1,
 	0x010361920,
-	0x098ee49c0,
+	0x0990a49c0,
 	0x02daf0008,
-	0x00d208632,
+	0x00d20863a,
 	0x042804e75,
 	0x04fefffe4,
 	0x02a2f002c,
@@ -2126,7 +2143,7 @@ ulong bootcode[]={
 	0x0291049c0,
 	0x02600707f,
 	0x0c0834a36,
-	0x00920976a,
+	0x009209772,
 	0x066000186,
 	0x0d3c2d7c2,
 	0x02d4b8012,
@@ -2211,9 +2228,9 @@ ulong bootcode[]={
 	0x000282f05,
 	0x02f450040,
 	0x010362920,
-	0x098ee49c0,
+	0x0990a49c0,
 	0x020760d20,
-	0x086324e90,
+	0x0863a4e90,
 	0x02a2f0040,
 	0x0266e8012,
 	0x0246f002c,
@@ -2427,9 +2444,9 @@ ulong bootcode[]={
 	0x000182f2f,
 	0x000182f2f,
 	0x000181236,
-	0x0392098ee,
+	0x03920990a,
 	0x049c12076,
-	0x01d208632,
+	0x01d20863a,
 	0x04e904fef,
 	0x000184e75,
 	0x01ebc002a,
@@ -3175,49 +3192,52 @@ ulong bootcode[]={
 	0x020676e6f,
 	0x074203100,
 	0x06e6f6e65,
-	0x000423139,
-	0x032303000,
-	0x042393630,
-	0x030006361,
-	0x06e277420,
-	0x0636f6e6e,
-	0x06563742c,
-	0x020726574,
-	0x07279696e,
-	0x0672e2e2e,
-	0x00a002f36,
-	0x038303230,
-	0x02f696e69,
-	0x07400696e,
-	0x06974002d,
-	0x06d002f36,
-	0x038303230,
-	0x02f696e69,
-	0x07400696e,
-	0x06974002f,
+	0x000757365,
+	0x072004231,
+	0x039323030,
+	0x000423936,
+	0x030300063,
+	0x0616e2774,
+	0x020636f6e,
+	0x06e656374,
+	0x02c207265,
+	0x074727969,
+	0x06e672e2e,
+	0x02e0a002f,
 	0x036383032,
 	0x0302f696e,
-	0x069740023,
-	0x0652f626f,
-	0x06f746c69,
-	0x06e650023,
-	0x0652f626f,
-	0x06f746465,
-	0x076696365,
-	0x00023652f,
-	0x0626f6f74,
-	0x073657276,
-	0x06572004e,
-	0x066730023,
-	0x0652f7465,
-	0x0726d696e,
-	0x0616c0074,
+	0x069740069,
+	0x06e697400,
+	0x02d6d002f,
+	0x036383032,
+	0x0302f696e,
+	0x069740069,
+	0x06e697400,
+	0x02f363830,
+	0x032302f69,
+	0x06e697400,
+	0x023652f62,
+	0x06f6f746c,
+	0x0696e6500,
+	0x023652f62,
+	0x06f6f7464,
+	0x065766963,
+	0x065002365,
+	0x02f626f6f,
+	0x074757365,
+	0x072002365,
+	0x02f626f6f,
+	0x074736572,
+	0x076657200,
+	0x04e667300,
+	0x023652f74,
 	0x065726d69,
 	0x06e616c00,
 	0x07465726d,
 	0x0696e616c,
-	0x000757365,
-	0x072002363,
+	0x000746572,
+	0x06d696e61,
+	0x06c002363,
 	0x02f757365,
 	0x072003900,
 	0x04e667300,
@@ -3490,8 +3510,7 @@ ulong bootcode[]={
 	0x0626f6f74,
 	0x0000a000a,
 	0x000000000,
-	0x000000000,
-	0x0000045cc,
+	0x000004610,
 	0x000000000,
 	0x000000000,
 	0x000000000,
@@ -3531,8 +3550,6 @@ ulong bootcode[]={
 	0x000000000,
 	0x000000000,
 	0x000000000,
-	0x00003730,
-	0x0,
-	0x00003730,
+	0x0000377c,
 	0x0,
 };
diff --git a/gnot/main.c b/gnot/main.c
index 57bd1b513515ffa9e14511b7f3b79c0cb402553d..c763c832ba17c5ae2583fd8aacb51f7f0ad5b608 100644
--- a/gnot/main.c
+++ b/gnot/main.c
@@ -122,13 +122,13 @@ init0(void)
 	u->dot = clone(u->slash, 0);
 	if(!waserror()){
 		c = namec("#e/bootuser", Acreate, OWRITE, 0600);
-		(*devtab[c->type].write)(c, bootuser, 64, 0);
+		(*devtab[c->type].write)(c, bootuser, strlen(bootuser), 0);
 		close(c);
 		c = namec("#e/bootline", Acreate, OWRITE, 0600);
 		(*devtab[c->type].write)(c, bootline, 64, 0);
 		close(c);
 		c = namec("#e/bootserver", Acreate, OWRITE, 0600);
-		(*devtab[c->type].write)(c, bootserver, 64, 0);
+		(*devtab[c->type].write)(c, bootserver, strlen(bootuser), 0);
 		close(c);
 		c = namec("#e/bootdevice", Acreate, OWRITE, 0600);
 		(*devtab[c->type].write)(c, bootdevice, 2, 0);
diff --git a/pc/main.c b/pc/main.c
index 0fda3138dee2597a7aa58bbc312c0b9b147956f4..2c0ab6022ed9bd418cfe4c08ece105775a62233b 100644
--- a/pc/main.c
+++ b/pc/main.c
@@ -227,7 +227,7 @@ confinit(void)
 void
 matherror(Ureg *ur)
 {
-	postnote(u->p, 1, "math: 837 error", 0);
+	pexit("Math error", 0);
 }
 
 /*
@@ -247,7 +247,7 @@ mathemu(Ureg *ur)
 		break;
 	case FPactive:
 print("emu actv 0x%lux\n", getcr0());
-		postnote(u->p, 1, "math: emulation", 0);
+		pexit("Math emu", 0);
 		break;
 	}
 }
@@ -258,7 +258,7 @@ print("emu actv 0x%lux\n", getcr0());
 void
 mathover(Ureg *ur)
 {
-	postnote(u->p, 1, "math: segment overrun", 0);
+	pexit("Math overrun", 0);
 }
 
 void