Add initial ram disk support.

4 files changed, 124 insertions, 5 deletions

diff --git a/sys/arch/hp300/conf/DISKLESS b/sys/arch/hp300/conf/DISKLESS
index 6a1e6f312ad..1921913c03e 100644
--- a/sys/arch/hp300/conf/DISKLESS
+++ b/sys/arch/hp300/conf/DISKLESS
@@ -1,4 +1,4 @@
-#	$OpenBSD: DISKLESS,v 1.11 1997/02/10 06:43:26 downsj Exp $
+#	$OpenBSD: DISKLESS,v 1.12 1997/02/16 10:42:14 downsj Exp $
 #	$NetBSD: GENERIC,v 1.23 1997/01/31 06:12:57 thorpej Exp $
 #
 # Generic kernel - one size fits all.
@@ -6,7 +6,7 @@
 
 machine hp300 m68k
 
-# Include all GENERIC option	
+# Include all GENERIC options
 include "../../../conf/GENERIC"
 
 # Support for various CPU types
diff --git a/sys/arch/hp300/conf/GENERIC b/sys/arch/hp300/conf/GENERIC
index d9058bc4a06..5b1c8d7b699 100644
--- a/sys/arch/hp300/conf/GENERIC
+++ b/sys/arch/hp300/conf/GENERIC
@@ -1,4 +1,4 @@
-#	$OpenBSD: GENERIC,v 1.15 1997/02/10 06:43:28 downsj Exp $
+#	$OpenBSD: GENERIC,v 1.16 1997/02/16 10:42:16 downsj Exp $
 #	$NetBSD: GENERIC,v 1.23 1997/01/31 06:12:57 thorpej Exp $
 #
 # Generic kernel - one size fits all.
@@ -6,7 +6,7 @@
 
 machine hp300 m68k
 
-# Include all GENERIC option	
+# Include all GENERIC options
 include "../../../conf/GENERIC"
 
 # Support for various CPU types
diff --git a/sys/arch/hp300/conf/MINIROOT b/sys/arch/hp300/conf/MINIROOT
new file mode 100644
index 00000000000..6492918cf38
--- /dev/null
+++ b/sys/arch/hp300/conf/MINIROOT
@@ -0,0 +1,113 @@
+#	$OpenBSD: MINIROOT,v 1.1 1997/02/16 10:42:17 downsj Exp $
+#
+# Ram disk kernel for the miniroot.
+#
+
+machine hp300 m68k
+
+# Include all GENERIC options
+include "../../../conf/GENERIC"
+
+# Support for various CPU types
+option	 	HP320
+option	 	HP330		# includes 318, 319
+option	 	HP340
+option	 	HP350
+option	 	HP360
+option	 	HP370
+option	 	HP375		# includes 345, 400t, 400s
+option	 	HP380		# includes 425t, 425s, 433s
+
+# Need to set locally
+maxusers	16
+
+# Options for HP hardware
+option	 	FPSP		# floating point interface for 68040
+option	 	USELEDS		# make the lights twinkle
+#option		PANICBUTTON	# two fast <reset>s on HIL dump kernel
+#option		CONSCODE="9"	# force console at this select code
+option	 	UK_KEYBOARD	# include United Kingdom HIL keymap
+option	 	SE_KEYBOARD	# include Swedish HIL keymap
+
+# This option enables a different copyin/copyout that uses page
+# mapping for large copies.
+#option	 	MAPPEDCOPY	# different copyin/copyout for large copies
+
+#
+# HP-UX binary compatibility.
+# NOTE: THIS IS STILL VERY EXPERIMENTAL.  YOUR MILEAGE MAY VARY.
+#
+#option	 	COMPAT_HPUX	# HP-UX binary compatibility
+
+#option	 	COMPAT_M68K4K	# compat. with NetBSD/m68k4k binaries
+
+# Verbose descriptions of unconfigured DIO devices
+# (Warning: this compiles in a large string table)
+option	 	DIOVERBOSE	# recognize "unknown" DIO devices
+
+config		bsd swap generic
+
+mainbus0	at root		# root "bus"
+
+intio0		at mainbus0	# internal i/o space
+dio0		at mainbus0	# DIO/DIO-II bus
+
+# Davinci framebuffer
+dvbox*		at intio?
+dvbox*		at dio? scode ?
+
+# Gatorbox framebuffer
+gbox*		at intio?
+gbox*		at dio? scode ?
+
+# Hyperion framebuffer
+hyper*		at dio? scode ?
+
+# Renaissance framebuffer
+rbox*		at intio?
+rbox*		at dio? scode ?
+
+# Topcat/catseye framebuffers
+topcat*		at intio?
+topcat*		at dio? scode ?
+
+# Framebuffer abstraction
+grf*		at dvbox?
+grf*		at gbox?
+grf*		at hyper?
+grf*		at rbox?
+grf*		at topcat?
+
+# Internal Terminal Emulator
+ite*		at grf?
+
+dca0		at dio? scode 9	flags 1	  # DCA serial interfaces
+dca*		at dio? scode ?
+
+dcm*		at dio? scode ?	flags 0xe # DCM 4- or 8-port serial interfaces
+
+le*		at dio? scode ?		# LANCE ethernet interfaces
+
+nhpib0		at dio? scode 7		# slow internal HP-IB
+nhpib*		at dio? scode ?
+
+fhpib*		at dio? scode ?		# `fast' HP-IB
+
+hpibbus0	at nhpib0
+hpibbus*	at nhpib?
+hpibbus*	at fhpib?
+
+hd*		at hpibbus? slave ? punit ?	# HP-IB disks
+ct*		at hpibbus? slave ? punit ?	# HP-IB cartridge tapes
+mt*		at hpibbus? slave ? punit ?	# HP-IB 9-track tape
+ppi0		at hpibbus0 slave 5 punit 0	# HP-IB plotter
+
+oscsi*		at dio? scode ?		# Old HP SCSI
+
+sd*		at oscsi? target ? lun ?	# SCSI disks
+st*		at oscsi? target ? lun ?	# SCSI tapes
+ac*		at oscsi? target ? lun ?	# SCSI changers
+
+option		MINIROOTSIZE=4096
+option		RAMDISK_HOOKS
+pseudo-device	rd 2
diff --git a/sys/arch/hp300/conf/files.hp300 b/sys/arch/hp300/conf/files.hp300
index 712a3259069..8619240ecc3 100644
--- a/sys/arch/hp300/conf/files.hp300
+++ b/sys/arch/hp300/conf/files.hp300
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.hp300,v 1.5 1997/02/10 06:43:29 downsj Exp $
+#	$OpenBSD: files.hp300,v 1.6 1997/02/16 10:42:18 downsj Exp $
 #	$NetBSD: files.hp300,v 1.22 1997/01/30 22:11:19 scottr Exp $
 #
 # hp300-specific configuration info
@@ -128,6 +128,12 @@ device	ppi
 attach	ppi at hpibbus
 file	arch/hp300/dev/ppi.c		ppi needs-flag
 
+# RAM disk
+pseudo-device rd
+file	dev/ramdisk.c			rd needs-flag
+file	arch/hp300/dev/rd_root.c	ramdisk_hooks
+major	{rd = 8}
+
 # Old HP SCSI layer
 device	oscsi { target = -1, lun = -1 }
 attach	oscsi at dio