/* $NetBSD: pcvt_drv.c,v 1.7 1994/10/30 21:44:31 cgd Exp $ */ /* * Copyright (c) 1992,1993,1994 Hellmuth Michaelis, Brian Dunford-Shore, * Joerg Wunsch and Scott Turner. * * Copyright (c) 1993 Charles Hannum. * * All rights reserved. * * Parts of this code regarding the NetBSD interface were written * by Charles Hannum. * * This code is derived from software contributed to Berkeley by * William Jolitz and Don Ahn. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by * Hellmuth Michaelis, Brian Dunford-Shore, Joerg Wunsch, Scott Turner * and Charles Hannum. * 4. The name authors may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * @(#)pcvt_drv.c, 3.00, Last Edit-Date: [Sun Feb 27 17:04:52 1994] * */ /*---------------------------------------------------------------------------* * * pcvt_drv.c VT220 Driver Main Module / OS - Interface * --------------------------------------------------------- * -jw include rather primitive X stuff * -hm added netbsd 0.8 support * -hm NetBSD-current support * -hm converting to memory mapped virtual screens * -hm 132 column support for vga's * -hm new pcstart debugging * -hm 132 columns for WD90C11 * -hm netbsd 9.0 alpha / new tty subsystem * -jw set CLOCAL in pcopen, a bug must be somewhere else ... * -hm pcprobe moved back into this file * -hm vga_string routine * -hm keybord security built into XSERVER part * -jw USL VT compatibility * -hm adding bugfixes from joerg for non USL VT X server * -hm superprobe compatibility patch from joerg * -hm support for keyboard scancode sets 1 and 2 * -jw mouse emulation mode * -jw/hm all ifdef's converted to if's * -hm bugfix from Joerg for pcrint(), wrong openf tested. * removed pcxint(), because it's really not needed. * -hm applied patches from John Brezak and Szabolcs Szigeti * for recent NetBSD-current differences * -hm patch from Michael Havemester for NetBSD-current 12/02/94 * -hm ------------ Release 3.00 -------------- * *---------------------------------------------------------------------------*/ #include "vt.h" #if NVT > 0 #define EXTERN /* allocate mem */ #include "pcvt_hdr.h" /* global include */ unsigned __debug = 0; /*0xffe */; static __color; static nrow; static void vgapelinit(void); /* read initial VGA DAC palette */ #if defined XSERVER && !PCVT_USL_VT_COMPAT static int pcvt_xmode_set(int on, struct proc *p); /* initialize for X mode */ #endif /* XSERVER && !PCVT_USL_VT_COMPAT */ #define DPAUSE 1 int #if PCVT_NETBSD > 9 pcprobe(struct device *parent, struct device *self, void *aux) #else pcprobe(struct isa_device *dev) #endif { kbd_code_init(); #if PCVT_NETBSD > 9 ((struct isa_attach_args *)aux)->ia_iosize = 16; return 1; #else #if PCVT_NETBSD || PCVT_FREEBSD return (16); #else return 1; #endif /* PCVT_NETBSD || PCVT_FREEBSD */ #endif /* PCVT_NETBSD > 9 */ } #if PCVT_NETBSD > 9 void pcattach(struct device *parent, struct device *self, void *aux) { struct isa_attach_args *ia = aux; static struct intrhand vthand; #else int pcattach(struct isa_device *dev) { #endif int i; vt_coldmalloc(); /* allocate memory for screens */ #if PCVT_NETBSD || PCVT_FREEBSD #if PCVT_NETBSD > 9 printf(": "); #else printf("vt%d: ", dev->id_unit); #endif switch(adaptor_type) { case MDA_ADAPTOR: printf("mda"); break; case CGA_ADAPTOR: printf("cga"); break; case EGA_ADAPTOR: printf("ega"); break; case VGA_ADAPTOR: printf("%s, ", (char *)vga_string(vga_type)); if(can_do_132col) printf("80/132 col"); else printf("80 col"); vgapelinit(); break; default: printf("unknown"); break; } if(color == 0) printf(", mono"); else printf(", color"); printf(", %d scr, ", totalscreens); switch(keyboard_type) { case KB_AT: printf("at-"); break; case KB_MFII: printf("mf2-"); break; default: printf("unknown "); break; } printf("kbd, [R%s]\n", PCVT_REL); #if PCVT_NETBSD for(i = 0; i < totalscreens; i++) { pc_tty[i] = ttymalloc(); vs[i].vs_tty = pc_tty[i]; } #if PCVT_EMU_MOUSE pc_tty[totalscreens] = ttymalloc(); /* the mouse emulator tty */ #endif /* PCVT_EMU_MOUSE */ pcconsp = pc_tty[0]; #endif /* PCVT_NETBSD */ #else /* !PCVT_NETBSD && !PCVT_FREEBSD*/ switch(adaptor_type) { case MDA_ADAPTOR: printf(" ", PCVT_REL); #endif /* PCVT_NETBSD || PCVT_FREEBSD */ #if !PCVT_NETBSD for(i = 0; i < totalscreens; i++) vs[i].vs_tty = &pccons[i]; #endif /* !PCVT_NETBSD */ async_update(0); /* start asynchronous updates */ #if PCVT_NETBSD > 9 vthand.ih_fun = pcrint; vthand.ih_arg = 0; vthand.ih_level = IPL_TTY; intr_establish(ia->ia_irq, &vthand); #else return 1; #endif } /* had a look at the friedl driver */ #if !PCVT_NETBSD struct tty * get_pccons(Dev_t dev) { register int i = minor(dev); #if PCVT_EMU_MOUSE if(i == totalscreens) return(&pccons[i]); #endif /* PCVT_EMU_MOUSE */ if(i >= PCVT_NSCREENS) return(NULL); return(&pccons[i]); } #else struct tty * get_pccons(Dev_t dev) { register int i = minor(dev); #if PCVT_EMU_MOUSE if(i == totalscreens) return(pc_tty[i]); #endif /* PCVT_EMU_MOUSE */ if(i >= PCVT_NSCREENS) return(NULL); return(pc_tty[i]); } #endif /* !PCVT_NETBSD */ /*---------------------------------------------------------------------------* * /dev/ttyc0, /dev/ttyc1, etc. *---------------------------------------------------------------------------*/ int pcopen(Dev_t dev, int flag, int mode, struct proc *p) { register struct tty *tp; register struct video_state *vsx; int i = minor(dev); #if PCVT_EMU_MOUSE if(i == totalscreens) vsx = 0; else #endif /* PCVT_EMU_MOUSE */ vsx = &vs[i]; if((tp = get_pccons(dev)) == NULL) return ENXIO; #if PCVT_EMU_MOUSE if(i == totalscreens) { if(mouse.opened == 0) mouse.buttons = mouse.extendedseen = mouse.breakseen = mouse.lastmove.tv_sec = 0; mouse.minor = i; mouse.opened++; } else #endif /* PCVT_EMU_MOUSE */ vsx->openf++; tp->t_oproc = pcstart; tp->t_param = pcparam; tp->t_dev = dev; if ((tp->t_state & TS_ISOPEN) == 0) { tp->t_state |= TS_WOPEN; ttychars(tp); tp->t_iflag = TTYDEF_IFLAG; tp->t_oflag = TTYDEF_OFLAG; tp->t_cflag = TTYDEF_CFLAG; tp->t_lflag = TTYDEF_LFLAG; tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; pcparam(tp, &tp->t_termios); ttsetwater(tp); } else if (tp->t_state & TS_XCLUDE && p->p_ucred->cr_uid != 0) return (EBUSY); tp->t_state |= TS_CARR_ON; tp->t_cflag |= CLOCAL; /* cannot be a modem (:-) */ #if PCVT_NETBSD return ((*linesw[tp->t_line].l_open)(dev, tp)); #else return ((*linesw[tp->t_line].l_open)(dev, tp, flag)); #endif } int pcclose(Dev_t dev, int flag, int mode, struct proc *p) { register struct tty *tp; register struct video_state *vsx; int i = minor(dev); #if PCVT_EMU_MOUSE if(i == totalscreens) vsx = 0; else #endif /* PCVT_EMU_MOUSE */ vsx = &vs[i]; if((tp = get_pccons(dev)) == NULL) return ENXIO; (*linesw[tp->t_line].l_close)(tp, flag); ttyclose(tp); #if PCVT_EMU_MOUSE if(i == totalscreens) mouse.opened = 0; else #endif /* PCVT_EMU_MOUSE */ vsx->openf = 0; #if PCVT_USL_VT_COMPAT #if PCVT_EMU_MOUSE if(i == totalscreens) return (0); #endif /* PCVT_EMU_MOUSE */ if(vsx->vt_status & VT_WAIT_ACT) wakeup((caddr_t)&vsx->smode); vsx->proc = 0; vsx->vt_status = vsx->pid = 0; vsx->smode.mode = VT_AUTO; #endif /* PCVT_USL_VT_COMPAT */ return(0); } int pcread(Dev_t dev, struct uio *uio, int flag) { register struct tty *tp; if((tp = get_pccons(dev)) == NULL) return ENXIO; #if PCVT_FORCE8BIT /* this does not belong to here, but anybody always wants to strip the 8th bit, very likely the shell */ tp->t_iflag &= ~ISTRIP; #endif /* PCVT_FORCE8BIT */ return ((*linesw[tp->t_line].l_read)(tp, uio, flag)); } int pcwrite(Dev_t dev, struct uio *uio, int flag) { register struct tty *tp; if((tp = get_pccons(dev)) == NULL) return ENXIO; return ((*linesw[tp->t_line].l_write)(tp, uio, flag)); } int pcioctl(Dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) { register error; register struct tty *tp; if((tp = get_pccons(dev)) == NULL) return(ENXIO); /* note that some ioctl's are global, e.g. KBSTPMAT: There is * only one keyboard and different repeat rates for instance between * sessions are a suspicious wish. If you really need this make the * appropriate variables arrays */ #if PCVT_EMU_MOUSE if(minor(dev) == totalscreens) { if((error = mouse_ioctl(dev, cmd, data)) >= 0) return error; goto do_standard; } #endif /* PCVT_EMU_MOUSE */ #ifdef XSERVER #if PCVT_USL_VT_COMPAT if((error = usl_vt_ioctl(dev, cmd, data, flag, p)) >= 0) return error; /* * just for compatibility: * XFree86 < 2.0 and SuperProbe still might use it * * NB: THIS IS A HACK! Do not use it unless you explicitly need. * Especially, since the vty is not put into process-controlled * mode (this would require the application to co-operate), any * attempts to switch vtys while this kind of X mode is active * may cause serious trouble. */ switch(cmd) { case CONSOLE_X_MODE_ON: { int i; if((error = usl_vt_ioctl(dev, KDENABIO, 0, flag, p)) > 0) return error; i = KD_GRAPHICS; if((error = usl_vt_ioctl(dev, KDSETMODE, (caddr_t)&i, flag, p)) > 0) return error; i = K_RAW; error = usl_vt_ioctl(dev, KDSKBMODE, (caddr_t)&i, flag, p); return error; } case CONSOLE_X_MODE_OFF: { int i; (void)usl_vt_ioctl(dev, KDDISABIO, 0, flag, p); i = KD_TEXT; (void)usl_vt_ioctl(dev, KDSETMODE, (caddr_t)&i, flag, p); i = K_XLATE; (void)usl_vt_ioctl(dev, KDSKBMODE, (caddr_t)&i, flag, p); return 0; } 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 */ ; } #else /* PCVT_USL_VT_COMPAT */ switch(cmd) { case CONSOLE_X_MODE_ON: return pcvt_xmode_set(1, p); case CONSOLE_X_MODE_OFF: return pcvt_xmode_set(0, p); 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(!(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 */ cp = sgetc(0); if (*cp == '\r') return('\n'); return (*cp); } void pccnpollc(Dev_t dev, int on) { kbd_polling = on; if (!on) { register int s; /* * If disabling polling, make sure there are no bytes left in * the FIFO, holding up the interrupt line. Otherwise we * won't get any further interrupts. */ s = spltty(); pcrint(); splx(s); } } /*---------------------------------------------------------------------------* * 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; x = splhigh(); sput(">", 1, 1, 0); thechar = *(sgetc(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 -------------------------------------*/