1145 lines
24 KiB
C
1145 lines
24 KiB
C
/*
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* Copyright (c) 1992,1993,1994 Hellmuth Michaelis, Brian Dunford-Shore,
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* Joerg Wunsch and Scott Turner.
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*
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* Copyright (c) 1993 Charles Hannum.
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*
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* All rights reserved.
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*
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* Parts of this code regarding the NetBSD interface were written
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* by Charles Hannum.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz and Don Ahn.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by
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* Hellmuth Michaelis, Brian Dunford-Shore, Joerg Wunsch, Scott Turner
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* and Charles Hannum.
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* 4. The name authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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* @(#)pcvt_drv.c, 3.00, Last Edit-Date: [Sun Feb 27 17:04:52 1994]
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*
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*/
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/*---------------------------------------------------------------------------*
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*
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* pcvt_drv.c VT220 Driver Main Module / OS - Interface
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* ---------------------------------------------------------
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* -jw include rather primitive X stuff
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* -hm added netbsd 0.8 support
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* -hm NetBSD-current support
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* -hm converting to memory mapped virtual screens
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* -hm 132 column support for vga's
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* -hm new pcstart debugging
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* -hm 132 columns for WD90C11
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* -hm netbsd 9.0 alpha / new tty subsystem
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* -jw set CLOCAL in pcopen, a bug must be somewhere else ...
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* -hm pcprobe moved back into this file
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* -hm vga_string routine
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* -hm keybord security built into XSERVER part
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* -jw USL VT compatibility
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* -hm adding bugfixes from joerg for non USL VT X server
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* -hm superprobe compatibility patch from joerg
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* -hm support for keyboard scancode sets 1 and 2
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* -jw mouse emulation mode
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* -jw/hm all ifdef's converted to if's
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* -hm bugfix from Joerg for pcrint(), wrong openf tested.
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* removed pcxint(), because it's really not needed.
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* -hm applied patches from John Brezak and Szabolcs Szigeti
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* for recent NetBSD-current differences
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* -hm patch from Michael Havemester for NetBSD-current 12/02/94
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* -hm ------------ Release 3.00 --------------
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*
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*---------------------------------------------------------------------------*/
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#include "vt.h"
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#if NVT > 0
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#define EXTERN /* allocate mem */
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#include "pcvt_hdr.h" /* global include */
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unsigned __debug = 0; /*0xffe */;
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static __color;
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static nrow;
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static void vgapelinit(void); /* read initial VGA DAC palette */
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#if defined XSERVER && !PCVT_USL_VT_COMPAT
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static int pcvt_xmode_set(int on, struct proc *p); /* initialize for X mode */
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#endif /* XSERVER && !PCVT_USL_VT_COMPAT */
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#define DPAUSE 1
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int
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#if PCVT_NETBSD > 9
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pcprobe(struct device *parent, struct device *self, void *aux)
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#else
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pcprobe(struct isa_device *dev)
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#endif
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{
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kbd_code_init();
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#if PCVT_NETBSD > 9
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((struct isa_attach_args *)aux)->ia_iosize = 16;
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return 1;
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#else
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#if PCVT_NETBSD || PCVT_FREEBSD
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return (16);
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#else
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return 1;
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#endif /* PCVT_NETBSD || PCVT_FREEBSD */
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#endif /* PCVT_NETBSD > 9 */
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}
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#if PCVT_NETBSD > 9
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void
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pcattach(struct device *parent, struct device *self, void *aux)
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{
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struct isa_attach_args *ia = aux;
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static struct intrhand vthand;
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#else
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int
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pcattach(struct isa_device *dev)
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{
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#endif
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int i;
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vt_coldmalloc(); /* allocate memory for screens */
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#if PCVT_NETBSD || PCVT_FREEBSD
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#if PCVT_NETBSD > 9
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printf(": ");
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#else
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printf("vt%d: ", dev->id_unit);
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#endif
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switch(adaptor_type)
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{
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case MDA_ADAPTOR:
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printf("mda");
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break;
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case CGA_ADAPTOR:
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printf("cga");
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break;
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case EGA_ADAPTOR:
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printf("ega");
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break;
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case VGA_ADAPTOR:
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printf("%s, ", (char *)vga_string(vga_type));
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if(can_do_132col)
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printf("80/132 col");
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else
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printf("80 col");
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vgapelinit();
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break;
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default:
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printf("unknown");
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break;
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}
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if(color == 0)
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printf(", mono");
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else
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printf(", color");
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printf(", %d scr, ", totalscreens);
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switch(keyboard_type)
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{
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case KB_AT:
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printf("at-");
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break;
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case KB_MFII:
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printf("mf2-");
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break;
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default:
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printf("unknown ");
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break;
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}
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printf("kbd, [R%s]\n", PCVT_REL);
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#if PCVT_NETBSD
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for(i = 0; i < totalscreens; i++)
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{
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pc_tty[i] = ttymalloc();
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vs[i].vs_tty = pc_tty[i];
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}
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#if PCVT_EMU_MOUSE
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pc_tty[totalscreens] = ttymalloc(); /* the mouse emulator tty */
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#endif /* PCVT_EMU_MOUSE */
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pcconsp = pc_tty[0];
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#endif /* PCVT_NETBSD */
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#else /* !PCVT_NETBSD && !PCVT_FREEBSD*/
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switch(adaptor_type)
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{
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case MDA_ADAPTOR:
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printf(" <mda");
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break;
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case CGA_ADAPTOR:
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printf(" <cga");
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break;
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case EGA_ADAPTOR:
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printf(" <ega");
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break;
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case VGA_ADAPTOR:
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printf(" <%s,", (char *)vga_string(vga_type));
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if(can_do_132col)
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printf("80/132 col");
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else
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printf("80 col");
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vgapelinit();
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break;
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default:
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printf(" <unknown");
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break;
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}
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if(color == 0)
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printf(",mono");
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else
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printf(",color");
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printf(",%d scr,", totalscreens);
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switch(keyboard_type)
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{
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case KB_AT:
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printf("at-");
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break;
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case KB_MFII:
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printf("mf2-");
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break;
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default:
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printf("unknown ");
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break;
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}
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printf("kbd,[R%s]>", PCVT_REL);
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#endif /* PCVT_NETBSD || PCVT_FREEBSD */
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#if !PCVT_NETBSD
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for(i = 0; i < totalscreens; i++)
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vs[i].vs_tty = &pccons[i];
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#endif /* !PCVT_NETBSD */
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async_update(0); /* start asynchronous updates */
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#if PCVT_NETBSD > 9
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vthand.ih_fun = pcrint;
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vthand.ih_arg = 0;
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vthand.ih_level = IPL_TTY;
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intr_establish(ia->ia_irq, &vthand);
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#else
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return 1;
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#endif
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}
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/* had a look at the friedl driver */
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#if !PCVT_NETBSD
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struct tty *
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get_pccons(Dev_t dev)
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{
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register int i = minor(dev);
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#if PCVT_EMU_MOUSE
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if(i == totalscreens)
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return(&pccons[i]);
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#endif /* PCVT_EMU_MOUSE */
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if(i >= PCVT_NSCREENS)
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return(NULL);
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return(&pccons[i]);
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}
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#else
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struct tty *
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get_pccons(Dev_t dev)
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{
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register int i = minor(dev);
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#if PCVT_EMU_MOUSE
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if(i == totalscreens)
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return(pc_tty[i]);
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#endif /* PCVT_EMU_MOUSE */
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if(i >= PCVT_NSCREENS)
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return(NULL);
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return(pc_tty[i]);
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}
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#endif /* !PCVT_NETBSD */
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/*---------------------------------------------------------------------------*
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* /dev/ttyc0, /dev/ttyc1, etc.
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*---------------------------------------------------------------------------*/
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int
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pcopen(Dev_t dev, int flag, int mode, struct proc *p)
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{
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register struct tty *tp;
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register struct video_state *vsx;
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int i = minor(dev);
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#if PCVT_EMU_MOUSE
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if(i == totalscreens)
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vsx = 0;
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else
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#endif /* PCVT_EMU_MOUSE */
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vsx = &vs[i];
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if((tp = get_pccons(dev)) == NULL)
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return ENXIO;
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#if PCVT_EMU_MOUSE
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if(i == totalscreens)
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{
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if(mouse.opened == 0)
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mouse.buttons = mouse.extendedseen =
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mouse.breakseen = mouse.lastmove.tv_sec = 0;
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mouse.minor = i;
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mouse.opened++;
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}
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else
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#endif /* PCVT_EMU_MOUSE */
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vsx->openf++;
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tp->t_oproc = pcstart;
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tp->t_param = pcparam;
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tp->t_dev = dev;
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if ((tp->t_state & TS_ISOPEN) == 0)
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{
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tp->t_state |= TS_WOPEN;
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ttychars(tp);
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tp->t_iflag = TTYDEF_IFLAG;
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tp->t_oflag = TTYDEF_OFLAG;
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tp->t_cflag = TTYDEF_CFLAG;
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tp->t_lflag = TTYDEF_LFLAG;
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tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
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pcparam(tp, &tp->t_termios);
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ttsetwater(tp);
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}
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else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0)
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return (EBUSY);
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tp->t_state |= TS_CARR_ON;
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tp->t_cflag |= CLOCAL; /* cannot be a modem (:-) */
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#if PCVT_NETBSD
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return ((*linesw[tp->t_line].l_open)(dev, tp));
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#else
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return ((*linesw[tp->t_line].l_open)(dev, tp, flag));
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#endif
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}
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int
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pcclose(Dev_t dev, int flag, int mode, struct proc *p)
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{
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register struct tty *tp;
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register struct video_state *vsx;
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int i = minor(dev);
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#if PCVT_EMU_MOUSE
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if(i == totalscreens)
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vsx = 0;
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else
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#endif /* PCVT_EMU_MOUSE */
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vsx = &vs[i];
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if((tp = get_pccons(dev)) == NULL)
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return ENXIO;
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(*linesw[tp->t_line].l_close)(tp, flag);
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ttyclose(tp);
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#if PCVT_EMU_MOUSE
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if(i == totalscreens)
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mouse.opened = 0;
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else
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#endif /* PCVT_EMU_MOUSE */
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vsx->openf = 0;
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#if PCVT_USL_VT_COMPAT
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#if PCVT_EMU_MOUSE
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if(i == totalscreens)
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return (0);
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#endif /* PCVT_EMU_MOUSE */
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if(vsx->vt_status & VT_WAIT_ACT)
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wakeup((caddr_t)&vsx->smode);
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vsx->proc = 0;
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vsx->vt_status = vsx->pid = 0;
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vsx->smode.mode = VT_AUTO;
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#endif /* PCVT_USL_VT_COMPAT */
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return(0);
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}
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int
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pcread(Dev_t dev, struct uio *uio, int flag)
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{
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register struct tty *tp;
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if((tp = get_pccons(dev)) == NULL)
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return ENXIO;
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#if PCVT_FORCE8BIT
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/* this does not belong to here, but anybody always wants to
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strip the 8th bit, very likely the shell */
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tp->t_iflag &= ~ISTRIP;
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#endif /* PCVT_FORCE8BIT */
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return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
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}
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int
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pcwrite(Dev_t dev, struct uio *uio, int flag)
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{
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register struct tty *tp;
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if((tp = get_pccons(dev)) == NULL)
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return ENXIO;
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return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
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}
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int
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pcioctl(Dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
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{
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register error;
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register struct tty *tp;
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if((tp = get_pccons(dev)) == NULL)
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return(ENXIO);
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/* note that some ioctl's are global, e.g. KBSTPMAT: There is
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* only one keyboard and different repeat rates for instance between
|
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* sessions are a suspicious wish. If you really need this make the
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* appropriate variables arrays
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*/
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#if PCVT_EMU_MOUSE
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if(minor(dev) == totalscreens)
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{
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if((error = mouse_ioctl(dev, cmd, data)) >= 0)
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return error;
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goto do_standard;
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}
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#endif /* PCVT_EMU_MOUSE */
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#ifdef XSERVER
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#if PCVT_USL_VT_COMPAT
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if((error = usl_vt_ioctl(dev, cmd, data, flag, p)) >= 0)
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return error;
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|
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/*
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* just for compatibility:
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* XFree86 < 2.0 and SuperProbe still might use it
|
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*
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* NB: THIS IS A HACK! Do not use it unless you explicitly need.
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* Especially, since the vty is not put into process-controlled
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* mode (this would require the application to co-operate), any
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* attempts to switch vtys while this kind of X mode is active
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* may cause serious trouble.
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|
*/
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switch(cmd)
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{
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case CONSOLE_X_MODE_ON:
|
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{
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int i;
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if((error = usl_vt_ioctl(dev, KDENABIO, 0, flag, p)) > 0)
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return error;
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i = KD_GRAPHICS;
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if((error = usl_vt_ioctl(dev, KDSETMODE, (caddr_t)&i, flag, p))
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> 0)
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return error;
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i = K_RAW;
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error = usl_vt_ioctl(dev, KDSKBMODE, (caddr_t)&i, flag, p);
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return error;
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}
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|
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case CONSOLE_X_MODE_OFF:
|
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{
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int i;
|
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|
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(void)usl_vt_ioctl(dev, KDDISABIO, 0, flag, p);
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i = KD_TEXT;
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(void)usl_vt_ioctl(dev, KDSETMODE, (caddr_t)&i, flag, p);
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|
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i = K_XLATE;
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(void)usl_vt_ioctl(dev, KDSKBMODE, (caddr_t)&i, flag, p);
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return 0;
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}
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|
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case CONSOLE_X_BELL:
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/*
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* If `data' is non-null, it points to int[2], the first
|
|
* value denotes the pitch in Hz, the second a duration
|
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* in ms (??? jw - 333 us). Otherwise, behaves like BEL.
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|
*/
|
|
if (data)
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sysbeep(PCVT_SYSBEEPF / ((int *)data)[0],
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((int *)data)[1] * hz / 3000);
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|
else
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|
sysbeep(PCVT_SYSBEEPF / 1493, hz / 4);
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return (0);
|
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|
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default: /* fall through */ ;
|
|
}
|
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|
|
#else /* PCVT_USL_VT_COMPAT */
|
|
|
|
switch(cmd)
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{
|
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case CONSOLE_X_MODE_ON:
|
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return pcvt_xmode_set(1, p);
|
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|
|
case CONSOLE_X_MODE_OFF:
|
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return pcvt_xmode_set(0, p);
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|
|
|
case CONSOLE_X_BELL:
|
|
/*
|
|
* If `data' is non-null, it points to int[2], the first
|
|
* value denotes the pitch in Hz, the second a duration
|
|
* in ms (??? jw - 333 us). Otherwise, behaves like BEL.
|
|
*/
|
|
if (data)
|
|
sysbeep(PCVT_SYSBEEPF / ((int *)data)[0],
|
|
((int *)data)[1] * hz / 3000);
|
|
else
|
|
sysbeep(PCVT_SYSBEEPF / 1493, hz / 4);
|
|
return (0);
|
|
|
|
default: /* fall through */ ;
|
|
}
|
|
|
|
#endif /* PCVT_USL_VT_COMPAT */
|
|
#endif /* XSERVER */
|
|
|
|
if((error = kbdioctl(dev,cmd,data,flag)) >= 0)
|
|
return error;
|
|
|
|
if((error = vgaioctl(dev,cmd,data,flag)) >= 0)
|
|
return error;
|
|
|
|
do_standard:
|
|
if((error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p)) >= 0)
|
|
return (error);
|
|
|
|
if((error = ttioctl(tp, cmd, data, flag, p)) >= 0)
|
|
return (error);
|
|
|
|
return (ENOTTY);
|
|
}
|
|
|
|
int
|
|
pcmmap(Dev_t dev, int offset, int nprot)
|
|
{
|
|
if (offset > 0x20000)
|
|
return -1;
|
|
return i386_btop((0xa0000 + offset));
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
*
|
|
* handle a keyboard receive interrupt
|
|
*
|
|
* NOTE: the keyboard is multiplexed by means of "pcconsp"
|
|
* between virtual screens. pcconsp - switching is done in
|
|
* the vgapage() routine
|
|
*
|
|
*---------------------------------------------------------------------------*/
|
|
int
|
|
pcrint(void)
|
|
{
|
|
u_char *cp;
|
|
|
|
#if PCVT_SCREENSAVER
|
|
pcvt_scrnsv_reset();
|
|
#endif /* PCVT_SCREENSAVER */
|
|
|
|
if((cp = sgetc(1)) == 0)
|
|
return -1;
|
|
|
|
if (kbd_polling)
|
|
return 1;
|
|
|
|
if(!(vs[current_video_screen].openf)) /* XXX was vs[minor(dev)] */
|
|
return 1;
|
|
|
|
#if PCVT_NULLCHARS
|
|
if(*cp == '\0')
|
|
{
|
|
/* pass a NULL character */
|
|
(*linesw[pcconsp->t_line].l_rint)('\0', pcconsp);
|
|
return 1;
|
|
}
|
|
#endif /* PCVT_NULLCHARS */
|
|
|
|
while (*cp)
|
|
(*linesw[pcconsp->t_line].l_rint)(*cp++ & 0xff, pcconsp);
|
|
return 1;
|
|
}
|
|
|
|
|
|
#if PCVT_NETBSD
|
|
|
|
void
|
|
pcstart(register struct tty *tp)
|
|
{
|
|
register struct clist *rbp;
|
|
int s, len, n;
|
|
u_char buf[PCVT_PCBURST];
|
|
|
|
s = spltty();
|
|
|
|
if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))
|
|
goto out;
|
|
|
|
tp->t_state |= TS_BUSY;
|
|
|
|
splx(s);
|
|
|
|
/*
|
|
* We need to do this outside spl since it could be fairly
|
|
* expensive and we don't want our serial ports to overflow.
|
|
*/
|
|
|
|
rbp = &tp->t_outq;
|
|
|
|
while (len = q_to_b(rbp, buf, PCVT_PCBURST))
|
|
sput(&buf[0], 0, len, minor(tp->t_dev));
|
|
|
|
s = spltty();
|
|
|
|
tp->t_state &= ~TS_BUSY;
|
|
|
|
if (rbp->c_cc)
|
|
{
|
|
tp->t_state |= TS_TIMEOUT;
|
|
timeout(ttrstrt, tp, 1);
|
|
}
|
|
|
|
if (rbp->c_cc <= tp->t_lowat)
|
|
{
|
|
if (tp->t_state&TS_ASLEEP)
|
|
{
|
|
tp->t_state &= ~TS_ASLEEP;
|
|
wakeup((caddr_t)rbp);
|
|
}
|
|
selwakeup(&tp->t_wsel);
|
|
}
|
|
out:
|
|
splx(s);
|
|
}
|
|
|
|
#else /* !PCVT_NETBSD */ /* 386BSD 0.1 || FreeBSD */
|
|
|
|
void
|
|
pcstart(struct tty *tp)
|
|
{
|
|
int c, s;
|
|
|
|
s = spltty();
|
|
|
|
if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP))
|
|
{
|
|
goto out;
|
|
}
|
|
|
|
for(;;)
|
|
{
|
|
if (RB_LEN(&tp->t_out) <= tp->t_lowat)
|
|
{
|
|
if (tp->t_state&TS_ASLEEP)
|
|
{
|
|
tp->t_state &= ~TS_ASLEEP;
|
|
wakeup((caddr_t)&tp->t_out);
|
|
}
|
|
|
|
if (tp->t_wsel)
|
|
{
|
|
selwakeup(tp->t_wsel, tp->t_state & TS_WCOLL);
|
|
tp->t_wsel = 0;
|
|
tp->t_state &= ~TS_WCOLL;
|
|
}
|
|
}
|
|
|
|
if (RB_LEN(&tp->t_out) == 0)
|
|
{
|
|
goto out;
|
|
}
|
|
|
|
c = getc(&tp->t_out);
|
|
|
|
tp->t_state |= TS_BUSY; /* patch from Frank Maclachlan */
|
|
splx(s);
|
|
sput(&c, 0, 1, minor(tp->t_dev));
|
|
spltty();
|
|
tp->t_state &= ~TS_BUSY; /* patch from Frank Maclachlan */
|
|
}
|
|
out:
|
|
splx(s);
|
|
}
|
|
|
|
#endif /* PCVT_NETBSD */
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* /dev/console
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#if !PCVT_NETBSD /* has moved to cons.c in netbsd-current */
|
|
void
|
|
consinit() /* init for kernel messages during boot */
|
|
{
|
|
}
|
|
#endif /* PCVT_NETBSD */
|
|
|
|
int
|
|
pccnprobe(struct consdev *cp)
|
|
{
|
|
int maj;
|
|
|
|
/* locate the major number */
|
|
|
|
for (maj = 0; maj < nchrdev; maj++)
|
|
{
|
|
if ((u_int)cdevsw[maj].d_open == (u_int)pcopen)
|
|
break;
|
|
}
|
|
|
|
/* initialize required fields */
|
|
|
|
cp->cn_dev = makedev(maj, 0);
|
|
cp->cn_pri = CN_INTERNAL;
|
|
|
|
#if !PCVT_NETBSD
|
|
cp->cn_tp = &pccons[0];
|
|
#endif /* !PCVT_NETBSD */
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
pccninit(struct consdev *cp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
pccnputc(Dev_t dev, U_char c)
|
|
{
|
|
if (c == '\n')
|
|
sput("\r", 1, 1, 0);
|
|
sput((char *) &c, 1, 1, 0);
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
pccngetc(Dev_t dev)
|
|
{
|
|
register int s;
|
|
register u_char *cp;
|
|
|
|
#ifdef XSERVER
|
|
#if !PCVT_USL_VT_COMPAT
|
|
if (pcvt_xmode)
|
|
return 0;
|
|
#else /* !PCVT_USL_VT_COMPAT */
|
|
if (pcvt_kbd_raw)
|
|
return 0;
|
|
#endif /* !PCVT_USL_VT_COMPAT */
|
|
#endif /* XSERVER */
|
|
|
|
s = spltty(); /* block pcrint while we poll */
|
|
cp = sgetc(0);
|
|
splx(s);
|
|
|
|
if (*cp == '\r')
|
|
return('\n');
|
|
return (*cp);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Set line parameters
|
|
*---------------------------------------------------------------------------*/
|
|
int
|
|
pcparam(struct tty *tp, struct termios *t)
|
|
{
|
|
register int cflag = t->c_cflag;
|
|
|
|
/* and copy to tty */
|
|
|
|
tp->t_ispeed = t->c_ispeed;
|
|
tp->t_ospeed = t->c_ospeed;
|
|
tp->t_cflag = cflag;
|
|
|
|
return(0);
|
|
}
|
|
|
|
#if PCVT_NEEDPG
|
|
|
|
/* this is moved to cons.c in patchkit 0.2.2 and higher */
|
|
|
|
int
|
|
pg (char *p,
|
|
int q, int r, int s, int t, int u,
|
|
int v, int w, int x, int y, int z)
|
|
{
|
|
#if !PCVT_USL_VT_COMPAT
|
|
vgapage(0);
|
|
#else
|
|
switch_screen(0, 0);
|
|
#endif /* !PCVT_USL_VT_COMPAT */
|
|
printf(p,q,r,s,t,u,v,w,x,y,z);
|
|
printf("\n");
|
|
return(getchar());
|
|
}
|
|
|
|
#endif /* PCVT_NEEDPG */
|
|
|
|
/* special characters */
|
|
#define bs 8
|
|
#define lf 10
|
|
#define cr 13
|
|
#define cntlc 3
|
|
#define del 0177
|
|
#define cntld 4
|
|
|
|
int
|
|
getchar(void)
|
|
{
|
|
u_char thechar;
|
|
int x;
|
|
|
|
kbd_polling = 1;
|
|
|
|
x = splhigh();
|
|
|
|
sput(">", 1, 1, 0);
|
|
thechar = *(sgetc(0));
|
|
|
|
kbd_polling = 0;
|
|
|
|
splx(x);
|
|
|
|
switch (thechar)
|
|
{
|
|
default:
|
|
if (thechar >= ' ')
|
|
sput(&thechar, 1, 1, 0);
|
|
return(thechar);
|
|
|
|
case cr:
|
|
case lf:
|
|
sput("\r\n", 1, 2, 0);
|
|
return(lf);
|
|
|
|
case bs:
|
|
case del:
|
|
sput("\b \b", 1, 3, 0);
|
|
return(thechar);
|
|
|
|
case cntlc:
|
|
sput("^C\r\n", 1, 4, 0) ;
|
|
cpu_reset();
|
|
|
|
case cntld:
|
|
sput("^D\r\n", 1, 4, 0) ;
|
|
return(0);
|
|
}
|
|
}
|
|
|
|
void
|
|
dprintf(unsigned flgs, const char *fmt, ...)
|
|
{
|
|
extern unsigned __debug;
|
|
va_list ap;
|
|
|
|
if((flgs&__debug) > DPAUSE)
|
|
{
|
|
__color = ffs(flgs&__debug)+1;
|
|
va_start(ap,fmt);
|
|
kprintf(fmt, 1, (struct tty *)0, ap);
|
|
va_end(ap);
|
|
|
|
if (flgs & DPAUSE || nrow%24 == 23)
|
|
{
|
|
int x;
|
|
x = splhigh();
|
|
if(nrow%24 == 23)
|
|
nrow = 0;
|
|
(void)sgetc(0);
|
|
splx(x);
|
|
}
|
|
}
|
|
__color = 0;
|
|
}
|
|
|
|
/*----------------------------------------------------------------------*
|
|
* read initial VGA palette (as stored by VGA ROM BIOS) into
|
|
* palette save area
|
|
*----------------------------------------------------------------------*/
|
|
void
|
|
vgapelinit(void)
|
|
{
|
|
register unsigned idx;
|
|
register struct rgb *val;
|
|
|
|
/* first, read all and store to first screen's save buffer */
|
|
for(idx = 0, val = vs[0].palette; idx < NVGAPEL; idx++, val++)
|
|
vgapaletteio(idx, val, 0 /* read it */);
|
|
|
|
/* now, duplicate for remaining screens */
|
|
for(idx = 1; idx < PCVT_NSCREENS; idx++)
|
|
bcopy(vs[0].palette, vs[idx].palette,
|
|
NVGAPEL * sizeof(struct rgb));
|
|
}
|
|
|
|
#if defined XSERVER && !PCVT_USL_VT_COMPAT
|
|
/*----------------------------------------------------------------------*
|
|
* initialize for X mode
|
|
* i.e.: grant current process (the X server) all IO priviledges,
|
|
* and mark in static variable so other hooks can test for it,
|
|
* save all loaded fonts and screen pages to pageable buffers;
|
|
* if parameter `on' is false, the same procedure is done reverse.
|
|
*----------------------------------------------------------------------*/
|
|
static int
|
|
pcvt_xmode_set(int on, struct proc *p)
|
|
{
|
|
static unsigned char *saved_fonts[NVGAFONTS];
|
|
|
|
#if PCVT_SCREENSAVER
|
|
static unsigned saved_scrnsv_tmo = 0;
|
|
#endif /* PCVT_SCREENSAVER */
|
|
|
|
#if PCVT_NETBSD
|
|
extern u_short *Crtat;
|
|
#endif /* PCVT_NETBSD */
|
|
|
|
#if PCVT_NETBSD > 9
|
|
struct trapframe *fp;
|
|
#else
|
|
struct syscframe *fp;
|
|
#endif
|
|
int i;
|
|
|
|
if(adaptor_type != VGA_ADAPTOR
|
|
&& adaptor_type != MDA_ADAPTOR)
|
|
/* X will only run on those adaptors */
|
|
return (EINVAL);
|
|
|
|
#if PCVT_NETBSD > 9
|
|
fp = (struct trapframe *)p->p_regs;
|
|
#else
|
|
fp = (struct syscframe *)p->p_regs;
|
|
#endif
|
|
|
|
if(on)
|
|
{
|
|
/*
|
|
* Test whether the calling process has super-user priviledges.
|
|
* This prevents us from granting the potential security hole
|
|
* `IO priv' to any process (effective uid is checked).
|
|
*/
|
|
if(suser(p->p_ucred, &p->p_acflag) != 0)
|
|
return (EPERM);
|
|
|
|
if(pcvt_xmode)
|
|
return 0;
|
|
pcvt_xmode = pcvt_kbd_raw = 1;
|
|
|
|
for(i = 0; i < totalfonts; i++) {
|
|
if(vgacs[i].loaded) {
|
|
saved_fonts[i] = (unsigned char *)
|
|
malloc(32 * 256, M_DEVBUF, M_WAITOK);
|
|
if(saved_fonts[i] == 0) {
|
|
printf(
|
|
"pcvt_xmode_set: no font buffer available\n");
|
|
return (EAGAIN);
|
|
}
|
|
else
|
|
vga_move_charset(i, saved_fonts[i], 1);
|
|
} else
|
|
saved_fonts[i] = 0;
|
|
}
|
|
|
|
#if PCVT_SCREENSAVER
|
|
if(saved_scrnsv_tmo = scrnsv_timeout)
|
|
pcvt_set_scrnsv_tmo(0); /* turn it off */
|
|
#endif /* PCVT_SCREENSAVER */
|
|
|
|
async_update(1); /* turn off */
|
|
|
|
/* disable text output and save screen contents */
|
|
/* video board memory -> kernel memory */
|
|
bcopy(vsp->Crtat, vsp->Memory,
|
|
vsp->screen_rowsize * vsp->maxcol * CHR);
|
|
|
|
vsp->Crtat = vsp->Memory; /* operate in memory now */
|
|
|
|
#if PCVT_SCANSET == 2
|
|
/* put keyboard to return ancient PC scan codes */
|
|
kbc_8042cmd(CONTR_WRITE);
|
|
#if PCVT_USEKBDSEC /* security enabled */
|
|
outb(CONTROLLER_DATA,
|
|
(COMMAND_SYSFLG|COMMAND_IRQEN|COMMAND_PCSCAN));
|
|
#else /* security disabled */
|
|
outb(CONTROLLER_DATA,
|
|
(COMMAND_INHOVR|COMMAND_SYSFLG|COMMAND_IRQEN|COMMAND_PCSCAN));
|
|
#endif /* PCVT_USEKBDSEC */
|
|
#endif /* PCVT_SCANSET == 2 */
|
|
|
|
#if PCVT_NETBSD > 9
|
|
fp->tf_eflags |= PSL_IOPL;
|
|
#else
|
|
fp->sf_eflags |= PSL_IOPL;
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
if(!pcvt_xmode)
|
|
return 0;
|
|
pcvt_xmode = pcvt_kbd_raw = 0;
|
|
|
|
for(i = 0; i < totalfonts; i++)
|
|
if(saved_fonts[i]) {
|
|
vga_move_charset(i, saved_fonts[i], 0);
|
|
free(saved_fonts[i], M_DEVBUF);
|
|
saved_fonts[i] = 0;
|
|
}
|
|
|
|
#if PCVT_NETBSD > 9
|
|
fp->tf_eflags &= ~PSL_IOPL;
|
|
#else
|
|
fp->sf_eflags &= ~PSL_IOPL;
|
|
#endif
|
|
|
|
#if PCVT_SCREENSAVER
|
|
if(saved_scrnsv_tmo)
|
|
pcvt_set_scrnsv_tmo(saved_scrnsv_tmo);
|
|
#endif /* PCVT_SCREENSAVER */
|
|
|
|
#if PCVT_SCANSET == 2
|
|
kbc_8042cmd(CONTR_WRITE);
|
|
#if PCVT_USEKBDSEC /* security enabled */
|
|
outb(CONTROLLER_DATA,
|
|
(COMMAND_SYSFLG|COMMAND_IRQEN));
|
|
#else /* security disabled */
|
|
outb(CONTROLLER_DATA,
|
|
(COMMAND_INHOVR|COMMAND_SYSFLG|COMMAND_IRQEN));
|
|
#endif /* PCVT_USEKBDSEC */
|
|
#endif /* PCVT_SCANSET == 2 */
|
|
|
|
if(adaptor_type == MDA_ADAPTOR)
|
|
{
|
|
/*
|
|
* Due to the fact that HGC registers are write-only,
|
|
* the Xserver can only make guesses about the state
|
|
* the HGC adaptor has been before turning on X mode.
|
|
* Thus, the display must be re-enabled now, and the
|
|
* cursor shape and location restored.
|
|
*/
|
|
outb(GN_DMCNTLM, 0x28); /* enable display, text mode */
|
|
outb(addr_6845, CRTC_CURSORH); /* select high register */
|
|
outb(addr_6845+1,
|
|
((vsp->Crtat + vsp->cur_offset) - Crtat) >> 8);
|
|
outb(addr_6845, CRTC_CURSORL); /* select low register */
|
|
outb(addr_6845+1,
|
|
((vsp->Crtat + vsp->cur_offset) - Crtat));
|
|
|
|
outb(addr_6845, CRTC_CURSTART); /* select high register */
|
|
outb(addr_6845+1, vsp->cursor_start);
|
|
outb(addr_6845, CRTC_CUREND); /* select low register */
|
|
outb(addr_6845+1, vsp->cursor_end);
|
|
}
|
|
|
|
/* restore screen and re-enable text output */
|
|
/* kernel memory -> video board memory */
|
|
bcopy(vsp->Memory, Crtat,
|
|
vsp->screen_rowsize * vsp->maxcol * CHR);
|
|
|
|
vsp->Crtat = Crtat; /* operate on-screen now */
|
|
|
|
outb(addr_6845, CRTC_STARTADRH);
|
|
outb(addr_6845+1, (svsp->Crtat - Crtat) >> 8);
|
|
outb(addr_6845, CRTC_STARTADRL);
|
|
outb(addr_6845+1, (svsp->Crtat - Crtat));
|
|
|
|
async_update(0);
|
|
}
|
|
return 0;
|
|
}
|
|
#endif /* XSERVER && !PCVT_USL_VT_COMPAT */
|
|
|
|
#if PCVT_386BSD
|
|
/* dummies required to work with patchkit 0.2.4 */
|
|
|
|
void cons_highlight (void) {}
|
|
void cons_normal (void) {}
|
|
#endif
|
|
|
|
#endif /* NVT > 0 */
|
|
|
|
/*-------------------------- E O F -------------------------------------*/
|