From 4e89683483edab17f0ea9595e32aa3af86ae075b Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Thu, 14 Mar 1991 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1991-03-14

---
 gnot/boot.c     |  28 +-
 gnot/boot.h     | 875 +++++++++++++++++++++++++-----------------------
 gnot/fns.h      |   2 +
 port/devlance.c |  14 +-
 port/devpipe.c  |   6 +-
 power/fns.h     |   3 +-
 power/l.s       |   7 +-
 power/main.c    |   1 +
 power/trap.c    |  10 +-
 9 files changed, 509 insertions(+), 437 deletions(-)

diff --git a/gnot/boot.c b/gnot/boot.c
index f0dd75ff7a1341207dafd99ee238a8351d425f51..1d2dd589890f85b9edf2856d50ead40fed2e23b8 100644
--- a/gnot/boot.c
+++ b/gnot/boot.c
@@ -7,6 +7,8 @@ char	buf[100];
 char	bootline[64];
 char	bootdevice;
 char	bootserver[64];
+int	format;
+int	manual;
 
 void	error(char*);
 void	sendmsg(int, char*);
@@ -82,7 +84,7 @@ main(int argc, char *argv[])
 	bind("#k", "/net/net", MREPL);
 	bind("#k", "/net/dk", MREPL);
 
-	if(strchr(bootline, ' '))
+	if(manual)
 		execl("/68020/init", "init", "-m", 0);
 	else
 		execl("/68020/init", "init", 0);
@@ -198,11 +200,28 @@ void
 bootparams(void)
 {
 	int f;
+	char *cp;
 
+	format = 0;
+	manual = 0;
 	f = open("#e/bootline", OREAD);
 	if(f >= 0){
-		read(f, bootline, sizeof bootline);
+		read(f, bootline, sizeof(bootline)-1);
 		close(f);
+		cp = bootline;
+		while(cp = strchr(cp, ' ')){
+			if(*++cp != '-')
+				continue;
+			while(*cp && *cp!=' ')
+				switch(*cp++){
+				case 'f':
+					format = 1;
+					break;
+				case 'm':
+					manual = 1;
+					break;
+				}
+		}
 	}
 	f = open("#e/bootdevice", OREAD);
 	if(f >= 0){
@@ -307,7 +326,10 @@ cache(int fd)
 		close(fd);
 		dup(p[0], 1);
 		close(p[0]);
-		execl("/cfs", "bootcfs", "-s", 0);
+		if(format)
+			execl("/cfs", "bootcfs", "-fs", 0);
+		else
+			execl("/cfs", "bootcfs", "-s", 0);
 		break;
 	default:
 		close(p[0]);
diff --git a/gnot/boot.h b/gnot/boot.h
index 956365a90aaa571edc51c0220255edcfe60df420..ae25d8c1caef3f113b3604768be155d39df3c6e0 100644
--- a/gnot/boot.h
+++ b/gnot/boot.h
@@ -1,7 +1,7 @@
 ulong bootcode[]={
 	0x000000107,
-	0x0000027a8,
-	0x0000004dc,
+	0x00000281c,
+	0x0000004f4,
 	0x0000001e4,
 	0x000000000,
 	0x000002020,
@@ -13,484 +13,513 @@ ulong bootcode[]={
 	0x000142f2f,
 	0x00014610c,
 	0x02f006100,
-	0x008284fef,
+	0x0089c4fef,
 	0x0001c4e75,
 	0x04feffe84,
 	0x042a7486e,
-	0x081b66100,
-	0x009fa4878,
+	0x081e66100,
+	0x00a6e4878,
 	0x00001486e,
-	0x081be6100,
-	0x009ee4878,
+	0x081ee6100,
+	0x00a624878,
 	0x00001486e,
-	0x081c66100,
-	0x009e26100,
-	0x004306100,
-	0x0024e6100,
-	0x003542f00,
+	0x081f66100,
+	0x00a566100,
+	0x004266100,
+	0x002446100,
+	0x0034a2f00,
 	0x02f400194,
-	0x0610004b6,
+	0x06100050a,
 	0x02f2f0194,
-	0x0610005b2,
+	0x061000606,
 	0x02f2f0198,
-	0x061000668,
+	0x0610006bc,
 	0x02f40019c,
-	0x0486e81ce,
-	0x061000818,
-	0x0486e81dc,
-	0x0486e81d6,
+	0x0486e81fe,
+	0x06100088c,
+	0x0486e820c,
+	0x0486e8206,
 	0x0486f00a4,
-	0x0610008d8,
+	0x06100094c,
 	0x0487801b6,
 	0x048780001,
 	0x0486f00b0,
-	0x061000972,
+	0x0610009e6,
 	0x04a8042e7,
 	0x02f4001b6,
 	0x044df6c0a,
-	0x0486e81e3,
-	0x061000716,
+	0x0486e8213,
+	0x06100078a,
 	0x0588f2f2f,
 	0x001b8486e,
-	0x081ea486f,
+	0x0821a486f,
 	0x000bc6100,
-	0x008a2486f,
+	0x00916486f,
 	0x000c06100,
-	0x00914588f,
+	0x00988588f,
 	0x02f00486f,
 	0x000c42f2f,
 	0x001c86100,
-	0x0096a2f00,
+	0x009de2f00,
 	0x0486f00d0,
-	0x0610008fa,
+	0x06100096e,
 	0x0588f221f,
 	0x0b280670a,
-	0x0486e81ed,
-	0x0610006d2,
+	0x0486e821d,
+	0x061000746,
 	0x0588f2f2f,
 	0x001cc6100,
-	0x0090a486e,
-	0x081f9486e,
-	0x081f3486f,
+	0x0097e486e,
+	0x08229486e,
+	0x08223486f,
 	0x000d86100,
-	0x008564878,
+	0x008ca4878,
 	0x001b64878,
 	0x00001486e,
-	0x082006100,
-	0x008f04a80,
+	0x082306100,
+	0x009644a80,
 	0x042e72f40,
 	0x001ea44df,
 	0x06c0a486e,
-	0x082086100,
-	0x00694588f,
+	0x082386100,
+	0x00708588f,
 	0x02f2f01ec,
-	0x0486e820f,
+	0x0486e823f,
 	0x0486f00f0,
-	0x061000820,
+	0x061000894,
 	0x0486f00f4,
-	0x061000892,
+	0x061000906,
 	0x0588f2f00,
 	0x0486f00f8,
 	0x02f2f01fc,
-	0x0610008e8,
+	0x06100095c,
 	0x02f00486f,
 	0x001046100,
-	0x00878588f,
+	0x008ec588f,
 	0x0221fb280,
 	0x0670a486e,
-	0x082126100,
-	0x00650588f,
+	0x082426100,
+	0x006c4588f,
 	0x02f2f0200,
-	0x061000888,
+	0x0610008fc,
 	0x042a7486e,
-	0x0821a486e,
-	0x082186100,
-	0x008684a80,
+	0x0824a486e,
+	0x082486100,
+	0x008dc4a80,
 	0x06c0a486e,
-	0x0821c6100,
-	0x0062c588f,
-	0x0486e8221,
-	0x0610006f0,
-	0x0486e822d,
-	0x0486e822c,
+	0x0824c6100,
+	0x006a0588f,
+	0x0486e8251,
+	0x061000764,
+	0x0486e825d,
+	0x0486e825c,
 	0x048780006,
-	0x0486e822a,
+	0x0486e825a,
 	0x02f2f0228,
-	0x06100086a,
+	0x0610008de,
 	0x04a806c0a,
-	0x0486e822e,
-	0x0610005fe,
+	0x0486e825e,
+	0x061000672,
 	0x0588f486e,
-	0x082346100,
-	0x006c2486f,
+	0x082646100,
+	0x00736486f,
 	0x0012c486e,
-	0x0823c6100,
-	0x008604a80,
+	0x0826c6100,
+	0x008d44a80,
 	0x06c0a486e,
-	0x082406100,
-	0x005dc588f,
+	0x082706100,
+	0x00650588f,
 	0x0486f00c0,
 	0x0486f0138,
-	0x0610016b4,
+	0x061001728,
 	0x048780001,
-	0x0486e8245,
-	0x061000828,
+	0x0486e8275,
+	0x06100089c,
 	0x02f400244,
 	0x02f2f0130,
-	0x0486e824d,
+	0x0486e827d,
 	0x0486f014c,
-	0x06100074c,
+	0x0610007c0,
 	0x0486f0150,
-	0x0610007be,
+	0x061000832,
 	0x0588f2f00,
 	0x0486f0154,
 	0x02f2f0258,
-	0x061000814,
+	0x061000888,
 	0x02f2f025c,
-	0x0610007d0,
-	0x0486e8251,
-	0x061000654,
-	0x042a7486e,
-	0x0825d486e,
-	0x0825a6100,
-	0x007a842a7,
-	0x0486e8269,
-	0x0486e8266,
-	0x06100079a,
-	0x048780020,
-	0x0486e8682,
-	0x06100073e,
-	0x04a806720,
+	0x061000844,
+	0x0486e8281,
+	0x0610006c8,
 	0x042a7486e,
-	0x08282486e,
-	0x0827d486e,
-	0x082716100,
-	0x00716486e,
-	0x082966100,
-	0x005404fef,
-	0x002a04e75,
-	0x042a7486e,
-	0x08291486e,
-	0x082856100,
-	0x006fa598f,
-	0x060e0598f,
-	0x0102e8002,
-	0x049c07241,
-	0x0b2006700,
-	0x000bc7261,
-	0x0b2006700,
-	0x000b27273,
-	0x0b200676a,
+	0x0828d486e,
+	0x0828a6100,
+	0x0081c42a7,
+	0x0486e8299,
+	0x0486e8296,
+	0x06100080e,
+	0x04aae801e,
+	0x0672042a7,
+	0x0486e82b2,
+	0x0486e82ad,
+	0x0486e82a1,
+	0x061000794,
+	0x0486e82c6,
+	0x0610005be,
+	0x04fef0298,
+	0x04e7542a7,
+	0x0486e82c1,
+	0x0486e82b5,
+	0x061000778,
+	0x0598f60e0,
+	0x0598f102e,
+	0x0802249c0,
+	0x07241b200,
+	0x0670000bc,
+	0x07261b200,
+	0x0670000b2,
+	0x07273b200,
+	0x0676a4878,
+	0x00002486e,
+	0x083356100,
+	0x007e22f40,
+	0x000084aaf,
+	0x00008508f,
+	0x06c0a486e,
+	0x0833c6100,
+	0x00568588f,
+	0x0486e834b,
+	0x02f2f0004,
+	0x06100052a,
+	0x0486e8356,
+	0x02f2f000c,
+	0x06100051e,
+	0x0610007a4,
+	0x04fef0010,
+	0x072ffb280,
+	0x067204281,
+	0x0b280670c,
+	0x02f176100,
+	0x00776588f,
+	0x0588f4e75,
+	0x048790000,
+	0x0ea606100,
+	0x00796588f,
+	0x060f260ec,
 	0x048780002,
-	0x0486e8305,
-	0x061000764,
+	0x0486e8303,
+	0x061000778,
 	0x02f400008,
 	0x04aaf0008,
-	0x0508f6c0a,
-	0x0486e830c,
-	0x0610004ea,
-	0x0588f486e,
-	0x0831b2f2f,
-	0x000046100,
-	0x004ac486e,
-	0x083262f2f,
-	0x0000c6100,
-	0x004a06100,
-	0x007264fef,
-	0x0001072ff,
-	0x0b2806720,
-	0x04281b280,
-	0x0670c2f17,
-	0x0610006f8,
-	0x0588f588f,
-	0x04e754879,
-	0x00000ea60,
-	0x061000718,
-	0x0588f60f2,
-	0x060ec4878,
+	0x06c0a486e,
+	0x0830f6100,
+	0x00500588f,
+	0x0486e8323,
+	0x02f2f000c,
+	0x0610004c2,
+	0x0486e832a,
+	0x02f2f0014,
+	0x0610004b6,
+	0x04fef0018,
+	0x06000ff7a,
+	0x060be4878,
 	0x00002486e,
-	0x082d36100,
-	0x006fa2f40,
+	0x082d26100,
+	0x007362f40,
 	0x000084aaf,
 	0x000086c0a,
-	0x0486e82df,
-	0x061000482,
+	0x0486e82de,
+	0x0610004be,
 	0x0588f486e,
-	0x082f32f2f,
+	0x082f22f2f,
 	0x0000c6100,
-	0x00444486e,
-	0x082fa2f2f,
+	0x00480486e,
+	0x082f82f2f,
 	0x000146100,
-	0x004384fef,
+	0x004744fef,
 	0x000186000,
-	0x0ff7a60be,
-	0x048780002,
-	0x0486e82a2,
-	0x0610006b8,
-	0x02f400008,
-	0x04aaf0008,
+	0x0ff384fef,
+	0x0fff042af,
+	0x000044878,
+	0x00002486e,
+	0x0836c6100,
+	0x006ee4a80,
+	0x042e72f40,
+	0x0001644df,
 	0x06c0a486e,
-	0x082ae6100,
-	0x00440588f,
-	0x0486e82c2,
-	0x02f2f000c,
-	0x061000402,
-	0x0486e82c8,
-	0x02f2f0014,
-	0x0610003f6,
-	0x04fef0018,
-	0x06000ff38,
-	0x04feffff0,
-	0x042af0004,
+	0x083766100,
+	0x00474588f,
 	0x048780002,
-	0x0486e833c,
-	0x061000670,
+	0x0486e8388,
+	0x0610006cc,
 	0x04a8042e7,
-	0x02f400016,
+	0x02f40001a,
 	0x044df6c0a,
-	0x0486e8346,
-	0x0610003f6,
-	0x0588f4878,
-	0x00002486e,
-	0x083586100,
-	0x0064e4a80,
-	0x042e72f40,
-	0x0001a44df,
-	0x06c0a486e,
-	0x083616100,
-	0x003d4588f,
-	0x0486e8562,
-	0x0486e8372,
-	0x0486e85a2,
-	0x061000560,
-	0x0486e85a2,
-	0x0610005d2,
-	0x02f002f40,
-	0x00024486e,
-	0x085a22f2f,
-	0x000306100,
-	0x00626b0af,
-	0x0002c661e,
-	0x0486e8562,
-	0x0486e83a5,
-	0x061000464,
-	0x02f2f003c,
-	0x0610005d0,
-	0x0202f0044,
-	0x04fef0048,
-	0x04e757005,
-	0x0b0af0030,
-	0x0660a486e,
-	0x0837d6100,
-	0x00374588f,
-	0x0486e8562,
-	0x0486e8385,
-	0x061000434,
-	0x02f2f0040,
-	0x0610005a0,
-	0x02f2f0040,
+	0x0486e8391,
+	0x061000452,
+	0x0588f486e,
+	0x085d6486e,
+	0x083a2486e,
+	0x084f66100,
+	0x005de486e,
+	0x084f66100,
+	0x006502f00,
+	0x02f400024,
+	0x0486e84f6,
+	0x02f2f0030,
+	0x0610006a4,
+	0x0b0af002c,
+	0x0661e486e,
+	0x085d6486e,
+	0x083d56100,
+	0x004e22f2f,
+	0x0003c6100,
+	0x0064e202f,
+	0x000444fef,
+	0x000484e75,
+	0x07005b0af,
+	0x00030660a,
+	0x0486e83ad,
+	0x0610003f2,
+	0x0588f486e,
+	0x085d6486e,
+	0x083b56100,
+	0x004b22f2f,
+	0x000406100,
+	0x0061e2f2f,
+	0x000406100,
+	0x0061652af,
+	0x000404fef,
+	0x0003c6000,
+	0x0ff36518f,
+	0x042ae801a,
+	0x042ae801e,
+	0x042a7486e,
+	0x083e66100,
+	0x0061a4a80,
+	0x06d744878,
+	0x0003f486e,
+	0x0869a2f00,
+	0x02f400018,
+	0x06100060a,
+	0x02f2f0018,
+	0x0610005d8,
+	0x0207c0000,
+	0x066984878,
+	0x000202f08,
+	0x061000566,
+	0x020404a80,
+	0x04fef0018,
+	0x067405288,
+	0x00c10002d,
+	0x04feffff0,
+	0x066e04a10,
+	0x067dc0c10,
+	0x0002067d6,
+	0x0101849c0,
+	0x04fef0018,
+	0x07266b200,
+	0x06714726d,
+	0x0b2006706,
+	0x04fefffe8,
+	0x060dc7001,
+	0x02d40801e,
+	0x060f27001,
+	0x02d40801a,
+	0x060ea42a7,
+	0x0486e83f2,
 	0x061000598,
-	0x052af0040,
-	0x04fef003c,
-	0x06000ff36,
-	0x0598f42a7,
-	0x0486e83b6,
-	0x0610005a4,
-	0x04a806d1e,
-	0x048780040,
-	0x0486e8682,
-	0x02f002f40,
-	0x000146100,
-	0x005942f2f,
-	0x000146100,
-	0x005624fef,
-	0x0001042a7,
-	0x0486e83c2,
-	0x061000578,
 	0x04a806d1e,
 	0x048780001,
-	0x0486e8002,
+	0x0486e8022,
 	0x02f002f40,
-	0x0001c6100,
-	0x005682f2f,
-	0x0001c6100,
-	0x005364fef,
+	0x000206100,
+	0x005882f2f,
+	0x000206100,
+	0x005564fef,
 	0x0001042a7,
-	0x0486e83d0,
-	0x06100054c,
+	0x0486e8400,
+	0x06100056c,
 	0x04a806d20,
 	0x048780040,
-	0x0486e8562,
+	0x0486e85d6,
 	0x02f002f40,
-	0x000246100,
-	0x0053c2f2f,
-	0x000246100,
-	0x0050a4fef,
-	0x0002c4e75,
-	0x0486e83de,
-	0x0486e8562,
-	0x0610004bc,
+	0x000286100,
+	0x0055c2f2f,
+	0x000286100,
+	0x0052a4fef,
+	0x000304e75,
+	0x0486e840e,
+	0x0486e85d6,
+	0x0610004dc,
 	0x0518f60ea,
 	0x0598f486e,
-	0x083e26100,
-	0x003761d7c,
-	0x000328606,
+	0x084126100,
+	0x003961d7c,
+	0x00032855a,
 	0x03d7cffff,
-	0x0860a486e,
-	0x085a2486e,
-	0x086066100,
-	0x0051a2f00,
+	0x0855e486e,
+	0x084f6486e,
+	0x0855a6100,
+	0x0053a2f00,
 	0x02f400010,
-	0x0486e85a2,
+	0x0486e84f6,
 	0x02f2f001c,
-	0x0610004fc,
+	0x06100051c,
 	0x0b0af0018,
 	0x0670a486e,
-	0x083e96100,
-	0x00270588f,
+	0x084196100,
+	0x00290588f,
 	0x048780064,
-	0x0486e85a2,
+	0x0486e84f6,
 	0x02f2f0028,
-	0x0610004ca,
+	0x0610004ea,
 	0x022007002,
 	0x0b0816608,
 	0x00c2e004f,
-	0x085a2677c,
+	0x084f6677c,
 	0x04a8142e7,
 	0x02f410026,
 	0x044df6e0e,
-	0x0486e83f3,
-	0x06100023a,
+	0x0486e8423,
+	0x06100025a,
 	0x0222f0028,
 	0x0588f2f01,
-	0x0486e8606,
-	0x0486e85a2,
-	0x061000cbc,
+	0x0486e855a,
+	0x0486e84f6,
+	0x061000cdc,
 	0x04a806638,
-	0x0102e85a5,
+	0x0102e84f9,
 	0x049c02f00,
-	0x0102e85a4,
+	0x0102e84f8,
 	0x049c02f00,
-	0x0102e85a3,
+	0x0102e84f7,
 	0x049c02f00,
-	0x0102e85a2,
+	0x0102e84f6,
 	0x049c02f00,
 	0x02f2f0040,
-	0x0486e83fc,
-	0x0610002c4,
-	0x0486e841f,
-	0x0610001ee,
+	0x0486e842c,
+	0x0610002e4,
+	0x0486e844f,
+	0x06100020e,
 	0x04fef001c,
 	0x00c2e0033,
-	0x08606670a,
-	0x0486e842a,
-	0x0610001da,
+	0x0855a670a,
+	0x0486e845a,
+	0x0610001fa,
 	0x0588f4fef,
 	0x000344e75,
 	0x00c2e004b,
-	0x085a36600,
+	0x084f76600,
 	0x0ff7c4878,
 	0x00064486e,
-	0x085a22f2f,
+	0x084f62f2f,
 	0x000346100,
-	0x004242200,
+	0x004442200,
 	0x04fef000c,
 	0x06000ff62,
 	0x0598f486e,
-	0x084336100,
-	0x002721d7c,
-	0x000348606,
+	0x084636100,
+	0x002921d7c,
+	0x00034855a,
 	0x03d7cffff,
-	0x0860a486e,
-	0x085a2486e,
-	0x086066100,
-	0x004162f00,
+	0x0855e486e,
+	0x084f6486e,
+	0x0855a6100,
+	0x004362f00,
 	0x02f400010,
-	0x0486e85a2,
+	0x0486e84f6,
 	0x02f2f001c,
-	0x0610003f8,
+	0x061000418,
 	0x0b0af0018,
 	0x0670a486e,
-	0x0843e6100,
-	0x0016c588f,
+	0x0846e6100,
+	0x0018c588f,
 	0x048780064,
-	0x0486e85a2,
+	0x0486e84f6,
 	0x02f2f0028,
-	0x0610003c6,
+	0x0610003e6,
 	0x02f400024,
 	0x04aaf0024,
 	0x06e0a486e,
-	0x0844c6100,
-	0x00148588f,
+	0x0847c6100,
+	0x00168588f,
 	0x02f2f0024,
-	0x0486e8606,
-	0x0486e85a2,
-	0x061000bcc,
+	0x0486e855a,
+	0x0486e84f6,
+	0x061000bec,
 	0x04a80660a,
-	0x0486e8459,
-	0x06100012a,
+	0x0486e8489,
+	0x06100014a,
 	0x0588f0c2e,
-	0x000378606,
+	0x00037855a,
 	0x06618486e,
-	0x0860c486e,
-	0x084686100,
-	0x001e2486e,
-	0x0860c6100,
-	0x0010c4fef,
+	0x08560486e,
+	0x084986100,
+	0x00202486e,
+	0x085606100,
+	0x0012c4fef,
 	0x0000c0c2e,
-	0x000358606,
+	0x00035855a,
 	0x0670a486e,
-	0x084726100,
-	0x000f8588f,
+	0x084a26100,
+	0x00118588f,
 	0x04fef0034,
 	0x04e754fef,
 	0x0fff042a7,
-	0x0486e847f,
-	0x061000348,
+	0x0486e84af,
+	0x061000368,
 	0x04a806c0a,
 	0x0202f001c,
 	0x04fef0018,
 	0x04e75486e,
-	0x084846100,
-	0x0019a486f,
+	0x084b46100,
+	0x001ba486f,
 	0x0000c6100,
-	0x002fa4a80,
+	0x0031a4a80,
 	0x06c0a486e,
-	0x0848b6100,
-	0x000b8588f,
-	0x06100030c,
+	0x084bb6100,
+	0x000d8588f,
+	0x06100032c,
 	0x04fef0010,
 	0x072ffb280,
-	0x0676c4281,
-	0x0b280671c,
-	0x02f176100,
-	0x002de2f2f,
-	0x000186100,
-	0x002d6242f,
-	0x0000c508f,
-	0x020024fef,
-	0x000104e75,
-	0x02f2f0004,
-	0x0610002c0,
-	0x042a72f2f,
-	0x0001c6100,
-	0x002c22f2f,
-	0x000206100,
-	0x002ae4878,
-	0x000012f2f,
-	0x000146100,
-	0x002ae2f2f,
-	0x000186100,
-	0x0029a42a7,
-	0x0486e84a2,
-	0x0486e849a,
-	0x0486e8495,
-	0x061000214,
-	0x0242f0040,
+	0x06700008c,
+	0x04281b280,
+	0x067202f17,
+	0x0610002fc,
+	0x02f2f0018,
+	0x0610002f4,
+	0x02f6f000c,
+	0x0001c508f,
+	0x0202f0014,
+	0x04fef0010,
+	0x04e752f2f,
+	0x000046100,
+	0x002da42a7,
+	0x02f2f001c,
+	0x0610002dc,
+	0x02f2f0020,
+	0x0610002c8,
+	0x048780001,
+	0x02f2f0014,
+	0x0610002c8,
+	0x02f2f0018,
+	0x0610002b4,
+	0x04aae801a,
+	0x0671842a7,
+	0x0486e84d2,
+	0x0486e84ca,
+	0x0486e84c5,
+	0x061000228,
 	0x04fef002c,
-	0x060ae486e,
-	0x084906134,
-	0x0588f60ac,
+	0x060aa42a7,
+	0x0486e84e3,
+	0x0486e84db,
+	0x0486e84d6,
+	0x061000210,
+	0x04fef002c,
+	0x06092486e,
+	0x084c06134,
+	0x0588f6092,
 	0x0598f2f2f,
 	0x0000c6100,
 	0x002402f00,
@@ -508,7 +537,7 @@ ulong bootcode[]={
 	0x0027c486f,
 	0x000042f2f,
 	0x0004c486e,
-	0x084a54878,
+	0x084e64878,
 	0x000026100,
 	0x0011a42a7,
 	0x061744fef,
@@ -516,10 +545,10 @@ ulong bootcode[]={
 	0x0598f4281,
 	0x07021b081,
 	0x06f1e4ab6,
-	0x01d2084de,
+	0x01d208616,
 	0x0660e2daf,
 	0x000081d20,
-	0x084de7001,
+	0x086167001,
 	0x0588f4e75,
 	0x052817021,
 	0x0b0816ee2,
@@ -529,25 +558,25 @@ ulong bootcode[]={
 	0x042827021,
 	0x0b0826f18,
 	0x020362d20,
-	0x084deb088,
+	0x08616b088,
 	0x0660642b6,
-	0x02d2084de,
+	0x02d208616,
 	0x052827021,
 	0x0b0826ee8,
 	0x0588f4e75,
 	0x04aaf0004,
 	0x0660642a7,
 	0x0610c588f,
-	0x0486e84b6,
+	0x0486e8036,
 	0x06104588f,
 	0x04e75518f,
 	0x072204a81,
 	0x06d222eb6,
-	0x01d2084de,
+	0x01d208616,
 	0x04a976712,
 	0x02f410004,
 	0x042b61d20,
-	0x084de4eb7,
+	0x086164eb7,
 	0x00151222f,
 	0x000045381,
 	0x04a816cde,
@@ -572,10 +601,10 @@ ulong bootcode[]={
 	0x0240042e7,
 	0x02f40001e,
 	0x044df6c1a,
-	0x052ae8012,
+	0x052ae8002,
 	0x0700ab0ae,
-	0x080126e0e,
-	0x0486e84ce,
+	0x080026e0e,
+	0x0486e8026,
 	0x06100ff70,
 	0x0242f0020,
 	0x0588f2002,
@@ -598,10 +627,10 @@ ulong bootcode[]={
 	0x0240042e7,
 	0x02f40001e,
 	0x044df6c1a,
-	0x052ae8012,
+	0x052ae8002,
 	0x0700ab0ae,
-	0x080126e0e,
-	0x0486e84ce,
+	0x080026e0e,
+	0x0486e8026,
 	0x06100ff08,
 	0x0242f0020,
 	0x0588f2002,
@@ -679,7 +708,7 @@ ulong bootcode[]={
 	0x006247251,
 	0x0b0016e00,
 	0x0061c3036,
-	0x00b2080d2,
+	0x00b20806a,
 	0x04efb0000,
 	0x0200890af,
 	0x0000c588f,
@@ -1071,7 +1100,7 @@ ulong bootcode[]={
 	0x06000f9f2,
 	0x0101149c0,
 	0x02f00486e,
-	0x081166100,
+	0x0814e6100,
 	0x0f7ea4280,
 	0x04fef000c,
 	0x04e756000,
@@ -1194,7 +1223,7 @@ ulong bootcode[]={
 	0x006007251,
 	0x0b0016e00,
 	0x005f83036,
-	0x00b208112,
+	0x00b2080aa,
 	0x04efb0000,
 	0x0202f0008,
 	0x0d0af0010,
@@ -1577,7 +1606,7 @@ ulong bootcode[]={
 	0x06000fa16,
 	0x0101149c0,
 	0x02f00486e,
-	0x081246100,
+	0x0815c6100,
 	0x0f0024280,
 	0x04fef000c,
 	0x04e756000,
@@ -1688,45 +1717,45 @@ ulong bootcode[]={
 	0x04e75142f,
 	0x00007c43c,
 	0x0007f701e,
-	0x0b0ae801a,
+	0x0b0ae800e,
 	0x06e047001,
 	0x04e75202e,
-	0x0801a1202,
+	0x0800e1202,
 	0x049c11d80,
-	0x01920801e,
-	0x052ae801a,
+	0x01920804e,
+	0x052ae800e,
 	0x0120249c1,
 	0x010361920,
-	0x0801e49c0,
+	0x0804e49c0,
 	0x02daf0008,
-	0x00d20809e,
+	0x00d20816e,
 	0x042804e75,
 	0x04fefffe4,
 	0x0282f002c,
 	0x0246f0028,
 	0x02f6e8006,
 	0x000042eae,
-	0x0800a2d6f,
+	0x080122d6f,
 	0x000208006,
 	0x0202f0024,
 	0x053802d40,
-	0x0800a101a,
+	0x08012101a,
 	0x049c02400,
 	0x07025b082,
 	0x067684a82,
 	0x06628202e,
 	0x08006b0ae,
-	0x0800a6504,
+	0x080126504,
 	0x053ae8006,
 	0x042360161,
 	0x08006202e,
 	0x080062d6f,
 	0x000048006,
-	0x02d57800a,
+	0x02d578012,
 	0x04fef001c,
 	0x04e75202e,
 	0x08006b0ae,
-	0x0800a640a,
+	0x08012640a,
 	0x01d820161,
 	0x0800652ae,
 	0x0800652ae,
@@ -1792,9 +1821,9 @@ ulong bootcode[]={
 	0x02f490028,
 	0x02f042f44,
 	0x000401036,
-	0x02920801e,
+	0x02920804e,
 	0x049c02076,
-	0x00d20809e,
+	0x00d20816e,
 	0x04e90282f,
 	0x00040246f,
 	0x0003c226f,
@@ -1952,7 +1981,7 @@ ulong bootcode[]={
 	0x0000c6100,
 	0x0eb7c266f,
 	0x00010246e,
-	0x0800a262f,
+	0x08012262f,
 	0x00014226f,
 	0x00018206e,
 	0x080062200,
@@ -2029,7 +2058,7 @@ ulong bootcode[]={
 	0x04fef0010,
 	0x04e75202e,
 	0x08006b0ae,
-	0x0800a640c,
+	0x08012640c,
 	0x01dbc0025,
 	0x001618006,
 	0x052ae8006,
@@ -2548,10 +2577,22 @@ ulong bootcode[]={
 	0x000000000,
 	0x000000000,
 	0x000000000,
+	0x000000007,
+	0x000000000,
 	0x000000000,
 	0x000000000,
 	0x000000000,
-	0x000000007,
+	0x000000000,
+	0x07072696e,
+	0x074206572,
+	0x0726f7273,
+	0x000000000,
+	0x06e6f6e2d,
+	0x07a65726f,
+	0x020657869,
+	0x074207374,
+	0x061747573,
+	0x000000000,
 	0x000000000,
 	0x000000000,
 	0x000000000,
@@ -2584,44 +2625,6 @@ ulong bootcode[]={
 	0x000010000,
 	0x002000000,
 	0x000000000,
-	0x000003f40,
-	0x000003fcc,
-	0x000003c68,
-	0x00000401e,
-	0x000003f6e,
-	0x000003f94,
-	0x000003fb2,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x000000000,
-	0x062616420,
-	0x074797065,
-	0x03a202564,
-	0x00a006261,
-	0x064207479,
-	0x070653a20,
-	0x025640a00,
-	0x000000000,
 	0x006340630,
 	0x0062c0628,
 	0x0061205f0,
@@ -2654,6 +2657,44 @@ ulong bootcode[]={
 	0x0015a0124,
 	0x000ee00d6,
 	0x0008c001c,
+	0x062616420,
+	0x074797065,
+	0x03a202564,
+	0x00a006261,
+	0x064207479,
+	0x070653a20,
+	0x025640a00,
+	0x000000000,
+	0x000003fb4,
+	0x000004040,
+	0x000003cdc,
+	0x000004092,
+	0x000003fe2,
+	0x000004008,
+	0x000004026,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
+	0x000000000,
 	0x023632f63,
 	0x06f6e7300,
 	0x023632f63,
@@ -2841,21 +2882,17 @@ ulong bootcode[]={
 	0x063667300,
 	0x0626f6f74,
 	0x063667300,
-	0x02d730062,
-	0x06f6f743a,
-	0x02025733a,
-	0x02025730a,
-	0x000000000,
-	0x06e6f6e2d,
-	0x07a65726f,
-	0x020657869,
-	0x074207374,
-	0x061747573,
-	0x000000000,
-	0x07072696e,
-	0x074206572,
-	0x0726f7273,
-	0x000000000,
-	0x00002ca4,
+	0x02d667300,
+	0x02f636673,
+	0x000626f6f,
+	0x074636673,
+	0x0002d7300,
+	0x0626f6f74,
+	0x03a202573,
+	0x03a202573,
+	0x00a000000,
+	0x00002d30,
+	0x0,
+	0x00002d30,
 	0x0,
 };
diff --git a/gnot/fns.h b/gnot/fns.h
index 7120374b779def7b0ae359b95059aed119a0acbc..d617cb60cefcd7dc4d941ca2e4d1895319cc1238 100644
--- a/gnot/fns.h
+++ b/gnot/fns.h
@@ -239,3 +239,5 @@ Chan	*walk(Chan*, char*, int);
 
 #define P_write(sel, addr, val, type)	P_oper(sel, *(type *)(PORT+addr) = val)
 
+
+#define flushpage(x) if(x)
diff --git a/port/devlance.c b/port/devlance.c
index dbc4b04e7c3349066bf6d78449c5faa9bec5b290..330e1f9278178c7f0da6522ef027050caf36ae20 100644
--- a/port/devlance.c
+++ b/port/devlance.c
@@ -802,7 +802,7 @@ lancekproc(void *arg)
 			len = MPus(m->cntflags) - 4;
 			lancedebq('i', p, len);/**/
 			for(e = &l.e[0]; e < &l.e[Ntypes]; e++){
-				if(!canqlock(e))
+				if(e->q==0 || t!=e->type || !canqlock(e))
 					continue;
 				if(e->q && t == e->type)
 					break;
@@ -815,18 +815,18 @@ lancekproc(void *arg)
 			 */
 			if(e == &l.e[Ntypes]){
 				for(e = &l.e[0]; e < &l.e[Ntypes]; e++){
-					if(!canqlock(e))
+					if(e->q==0 || e->type!=-1 || !canqlock(e))
 						continue;
 					if(e->q && e->type == -1)
 						break;
 					qunlock(e);
 				}
 			}
-			if(e!=&l.e[Ntypes] && e->q->next->len<=Streamhi){
-				/*
-				 *  The lock on e makes sure the queue is still there.
-				 */
-				if(!waserror()){
+			/*
+			 *  The lock on e makes sure the queue is still there.
+			 */
+			if(e!=&l.e[Ntypes]){
+				if(e->q->next->len<=Streamhi && !waserror()){
 					bp = allocb(len);
 					memcpy(bp->rptr, (uchar *)p, len);
 					bp->wptr += len;
diff --git a/port/devpipe.c b/port/devpipe.c
index 956628caffa699a2d66c9836f584206b329732d6..2bb0d21f70a81b3b6e75d09f81c1c86c35eeb855 100644
--- a/port/devpipe.c
+++ b/port/devpipe.c
@@ -221,8 +221,10 @@ pipeclose(Chan *c)
 	 */
 	if(c->stream){
 		remote = c->stream->devq->ptr;
-		if(streamclose(c) <= 0)
-			streamexit(remote, 0);
+		if(streamclose(c) <= 0){
+			if(remote)
+				streamexit(remote, 0);
+		}
 	}
 
 	/*
diff --git a/power/fns.h b/power/fns.h
index 4b993fe0238a78e8d5ab2d089c5038c532057fd3..944f39c708d98775b41d250929b0ef132964398f 100644
--- a/power/fns.h
+++ b/power/fns.h
@@ -61,6 +61,7 @@ void	execpc(ulong);
 void	exit(void);
 int	fault(ulong, int);
 void	faultmips(Ureg*, int, int);
+ulong	fcr31(void);
 void	fdclose(int);
 Chan*	fdtochan(int, int);
 void	firmware(void);
@@ -157,7 +158,7 @@ int	readnum(ulong, char*, ulong, ulong, int);
 void	ready(Proc*);
 void	qlock(QLock*);
 void	qunlock(QLock*);
-void	restfpregs(FPsave*);
+void	restfpregs(FPsave*, ulong);
 int	return0(void*);
 Proc	*runproc(void);
 void	savefpregs(FPsave*);
diff --git a/power/l.s b/power/l.s
index a9c6011ef39463484be425092b23a947f17f6563..a170898270738e4b8ed228dbcca9961d6fc1f08c 100644
--- a/power/l.s
+++ b/power/l.s
@@ -447,7 +447,7 @@ TEXT	restfpregs(SB), $0
 	MOVW	0(FP), R1
 	OR	$CU1, R3
 	MOVW	R3, M(STATUS)
-	MOVW	0x80(R1), R2
+	MOVW	fpstat+4(FP), R2
 	NOOP
 
 	MOVD	0x00(R1), F0
@@ -472,6 +472,11 @@ TEXT	restfpregs(SB), $0
 	MOVW	R3, M(STATUS)
 	RET
 
+TEXT	fcr31(SB), $0
+
+	MOVW	FCR31, R1
+	RET
+
 /*
  *  we avoid using R4, R5, R6, and R7 so gotopc can call us without saving them
  */
diff --git a/power/main.c b/power/main.c
index eeec2678731aa1198e75bc6b28125f54c215aa7d..5dd7ba18f2bbd3892c841bf95bf9e861a2f5e86b 100644
--- a/power/main.c
+++ b/power/main.c
@@ -252,6 +252,7 @@ userinit(void)
 	k = kmap(p->upage);
 	up = (User*)VA(k);
 	up->p = p;
+	up->fpsave.fpstatus = initfp.fpstatus;
 	kunmap(k);
 
 	/*
diff --git a/power/trap.c b/power/trap.c
index 59ccbb3f5f8935de6962f66ab71705a45246b01a..9d121ff787b28264b716c74e10830747f8cadb32 100644
--- a/power/trap.c
+++ b/power/trap.c
@@ -121,13 +121,13 @@ trap(Ureg *ur)
 
 	case CCPU:
 		if(u && u->p && u->p->fpstate == FPinit) {
-			restfpregs(&initfp);
+			restfpregs(&initfp, u->fpsave.fpstatus);
 			u->p->fpstate = FPactive;
 			ur->status |= CU1;
 			break;
 		}
 		if(u && u->p && u->p->fpstate == FPinactive) {
-			restfpregs(&u->fpsave);
+			restfpregs(&u->fpsave, u->fpsave.fpstatus);
 			u->p->fpstate = FPactive;
 			ur->status |= CU1;
 			break;
@@ -166,7 +166,7 @@ trap(Ureg *ur)
 		notify(ur);
 	splhi();
 	if(user && u && u->p->fpstate == FPinactive) {
-		restfpregs(&u->fpsave);
+		restfpregs(&u->fpsave, u->fpsave.fpstatus);
 		u->p->fpstate = FPactive;
 		ur->status |= CU1;
 	}
@@ -458,9 +458,11 @@ syscall(Ureg *aur)
 	ur->cause = 15<<2;		/* for debugging: system call is undef 15;
 	/*
 	 * since the system call interface does not
-	 * guarantee anything about registers,
+	 * guarantee anything about registers, we can
+	 * smash them.  but we must save fpstatus.
 	 */
 	if(u->p->fpstate == FPactive) {
+		u->fpsave.fpstatus = fcr31();
 		u->p->fpstate = FPinit;
 		ur->status &= ~CU1;
 	}