diff options
Diffstat (limited to 'i386/i386at/kd.c')
| -rw-r--r-- | i386/i386at/kd.c | 226 |
1 files changed, 113 insertions, 113 deletions
diff --git a/i386/i386at/kd.c b/i386/i386at/kd.c index 7c87729..f17c48b 100644 --- a/i386/i386at/kd.c +++ b/i386/i386at/kd.c @@ -1,34 +1,34 @@ -/* +/* * Mach Operating System * Copyright (c) 1991,1990,1989 Carnegie Mellon University * All Rights Reserved. - * + * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. - * + * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * + * * Carnegie Mellon requests users of this software to return to - * + * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 - * + * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ -/* +/* * Olivetti Mach Console driver v0.0 * Copyright Ing. C. Olivetti & C. S.p.A. 1988, 1989 * All rights reserved. * - */ + */ /* Copyright 1988, 1989 by Olivetti Advanced Technology Center, Inc., Cupertino, California. @@ -132,7 +132,7 @@ int kdcninit(struct consdev *cp); int kdcngetc(dev_t dev, int wait); int kdcnputc(dev_t dev, int c); -/* +/* * These routines define the interface to the device-specific layer. * See kdsoft.h for a more complete description of what each routine does. */ @@ -154,15 +154,15 @@ unsigned char kd_getdata(), state2leds(); */ vm_offset_t kd_bitmap_start = (vm_offset_t)0xa0000; /* XXX - put in kd.h */ -u_char *vid_start = (u_char *)EGA_START; +u_char *vid_start = (u_char *)EGA_START; /* VM start of video RAM or frame buffer */ csrpos_t kd_curpos = 0; /* set indirectly by kd_setpos--see kdsoft.h */ short kd_lines = 25; short kd_cols = 80; char kd_attr = KA_NORMAL; /* current attribute */ -/* - * kd_state shows the state of the modifier keys (ctrl, caps lock, +/* + * kd_state shows the state of the modifier keys (ctrl, caps lock, * etc.) It should normally be changed by calling set_kd_state(), so * that the keyboard status LEDs are updated correctly. */ @@ -176,18 +176,18 @@ int kd_kbd_mouse = 0; int kd_kbd_magic_scale = 6; int kd_kbd_magic_button = 0; -/* - * Some keyboard commands work by sending a command, waiting for an - * ack (handled by kdintr), then sending data, which generates a +/* + * Some keyboard commands work by sending a command, waiting for an + * ack (handled by kdintr), then sending data, which generates a * second ack. If we are in the middle of such a sequence, kd_ack * shows what the ack is for. - * - * When a byte is sent to the keyboard, it is kept around in last_sent + * + * When a byte is sent to the keyboard, it is kept around in last_sent * in case it needs to be resent. - * + * * The rest of the variables here hold the data required to complete * the sequence. - * + * * XXX - the System V driver keeps a command queue, I guess in case we * want to start a command while another is in progress. Is this * something we should worry about? @@ -214,7 +214,7 @@ u_char *esc_spt = (u_char *)0; /* * This array maps scancodes to Ascii characters (or character - * sequences). + * sequences). * Each row corresponds to one key. There are NUMOUTPUT bytes per key * state. The states are ordered: Normal, SHIFT, CTRL, ALT, * SHIFT/ALT. @@ -400,10 +400,10 @@ short font_byte_width = 0; /* num bytes in 1 scan line of font */ int kd_pollc = 0; #ifdef DEBUG -/* +/* * feep: * - * Ring the bell for a short time. + * Ring the bell for a short time. * Warning: uses outb(). You may prefer to use kd_debug_put. */ feep() @@ -424,9 +424,9 @@ pause() ; } -/* +/* * Put a debugging character on the screen. - * LOC=0 means put it in the bottom right corner, LOC=1 means put it + * LOC=0 means put it in the bottom right corner, LOC=1 means put it * one column to the left, etc. */ kd_debug_put(loc, c) @@ -505,7 +505,7 @@ kdopen(dev, flag, ior) /* * Special support for boot-time rc scripts, which don't * stty the console. - */ + */ tp->t_oproc = kdstart; tp->t_stop = kdstop; tp->t_ospeed = tp->t_ispeed = B9600; @@ -531,7 +531,7 @@ kdopen(dev, flag, ior) * closing the line discipline. * * input: device number 'dev', and flag - * + * * output: device is closed * */ @@ -575,7 +575,7 @@ int dev; struct uio *uio; { struct tty *tp; - + tp = &kd_tty; tp->t_state |= TS_CARR_ON; return((*linesw[kd_tty.t_line].l_read)(tp, uio)); @@ -601,7 +601,7 @@ struct uio *uio; return((*linesw[kd_tty.t_line].l_write)(&kd_tty, uio)); } -/* +/* * Mmap. */ @@ -687,10 +687,10 @@ io_return_t kdsetstat(dev, flavor, data, count) -/* +/* * kdsetbell: - * - * Turn the bell on or off. Returns error code, if given bogus + * + * Turn the bell on or off. Returns error code, if given bogus * on/off value. */ kdsetbell(val, flags) @@ -711,9 +711,9 @@ int flags; /* flags set for console */ } -/* +/* * kdgetkbent: - * + * * Get entry from key mapping table. Returns error code, if any. */ kdgetkbent(kbent) @@ -731,9 +731,9 @@ struct kbentry * kbent; } -/* +/* * kdsetkbent: - * + * * Set entry in key mapping table. Return error code, if any. */ int @@ -758,8 +758,8 @@ int flags; /* flags set for console */ * * This function is the interrupt code for the driver. Since this is * a special tty (console), interrupts are only for input, so we read in - * the character. If in ascii mode, we then do the mapping translation - * from the keyboard switch table and place the characters on the tty's + * the character. If in ascii mode, we then do the mapping translation + * from the keyboard switch table and place the characters on the tty's * input switch table. If in event mode, we create and queue a kd_event. * * input: interrupt vector 'vec' @@ -785,29 +785,29 @@ int regs; tp = &kd_tty; #ifdef old while ((inb(K_STATUS) & K_OBUF_FUL) == 0); /* this should never loop */ -#else old +#else /* old */ { /* - * Allow for keyboards that raise interrupt before + * Allow for keyboards that raise interrupt before * the character gets to the buffer. But don't wait * forever if grabbing the character by polling leaves * the interrupt on but buffer empty. */ /* - * Micronics VLB motherboard with 486DX2 can report keyboard + * Micronics VLB motherboard with 486DX2 can report keyboard * interrupt before K_STATUS register indicates that the * output buffer is full. Moreover, the bus won't settle w * while we poll K_STATUS at speed. Temporary fix is to break - * out after safety runs out and pick up keyboard event. This - * should be fixed eventually by putting a 1us timout between - * inb's to K_STATUS and fix the pic initialization order to + * out after safety runs out and pick up keyboard event. This + * should be fixed eventually by putting a 1us timout between + * inb's to K_STATUS and fix the pic initialization order to * avoid bootup keyboard wedging (ie make kd a real device) */ int safety = 1000; while ((inb(K_STATUS) & K_OBUF_FUL) == 0) if (!safety--) break; /* XXX */ } -#endif old +#endif /* old */ /* * We may have seen a mouse event. */ @@ -885,13 +885,13 @@ int regs; } } - /* + /* * here's where we actually put the char (or * char sequence, for function keys) onto the * input queue. */ - for ( ; (c != K_DONE) && (char_idx <= max); - c = key_map[scancode][char_idx++]) { + for ( ; (c != K_DONE) && (char_idx <= max); + c = key_map[scancode][char_idx++]) { (*linesw[tp->t_line].l_rint)(c, tp); } kd_extended = FALSE; @@ -902,10 +902,10 @@ int regs; return; } -/* +/* * kd_handle_ack: - * - * For pending commands, complete the command. For data bytes, + * + * For pending commands, complete the command. For data bytes, * drop the ack on the floor. */ kd_handle_ack() @@ -927,14 +927,14 @@ kd_handle_ack() } } -/* +/* * kd_resend: * * Resend a missed keyboard command or data byte. */ kd_resend() { - if (kd_ack == NOT_WAITING) + if (kd_ack == NOT_WAITING) printf("unexpected RESEND from keyboard\n"); else kd_senddata(last_sent); @@ -947,9 +947,9 @@ kd_resend() * Change keyboard state according to which modifier key and * whether it went down or up. * - * input: the current state, the key, and the key's direction. + * input: the current state, the key, and the key's direction. * The key can be any key, not just a modifier key. - * + * * output: the new state */ do_modifier(state, c, up) @@ -967,7 +967,7 @@ boolean_t up; break; #ifndef ORC case (K_CLCKSC): -#endif ORC +#endif /* ORC */ case (K_CTLSC): if (up) state &= ~KS_CTLED; @@ -980,7 +980,7 @@ boolean_t up; if (!up) state ^= KS_CLKED; break; -#endif ORC +#endif /* ORC */ case (K_NLCKSC): if (!up) state ^= KS_NLKED; @@ -999,21 +999,21 @@ boolean_t up; } -/* +/* * kdcheckmagic: - * - * Check for magic keystrokes for invoking the debugger or + * + * Check for magic keystrokes for invoking the debugger or * rebooting or ... * * input: an unprocessed scancode - * - * output: TRUE if a magic key combination was recognized and + * + * output: TRUE if a magic key combination was recognized and * processed. FALSE otherwise. * - * side effects: + * side effects: * various actions possible, depending on which keys are - * pressed. If the debugger is called, steps are taken - * to ensure that the system doesn't think the magic keys + * pressed. If the debugger is called, steps are taken + * to ensure that the system doesn't think the magic keys * are still held down. */ boolean_t @@ -1056,7 +1056,7 @@ int *regs; } return(TRUE); break; -#endif MACH_KDB +#endif /* MACH_KDB */ case K_DELSC: /* ctl-alt-del */ /* if rebootflag is on, reboot the system */ if (rebootflag) @@ -1071,7 +1071,7 @@ int *regs; /* * kdstate2idx: * - * Return the value for the 2nd index into key_map that + * Return the value for the 2nd index into key_map that * corresponds to the given state. */ kdstate2idx(state, extended) @@ -1119,11 +1119,11 @@ struct tty *tp; spl_t o_pri; int ch; unsigned char c; - + if (tp->t_state & TS_TTSTOP) return; for ( ; ; ) { - tp->t_state &= ~TS_BUSY; + tp->t_state &= ~TS_BUSY; if (tp->t_state & TS_TTSTOP) break; if ((tp->t_outq.c_cc <= 0) || (ch = getc(&tp->t_outq)) == -1) @@ -1177,7 +1177,7 @@ kdstop(tp, flags) * kdinit: * * This code initializes the structures and sets up the port registers - * for the console driver. + * for the console driver. * * Each bitmap-based graphics card is likely to require a unique * way to determine the card's presence. The driver runs through @@ -1207,7 +1207,7 @@ kdinit() if (!evc1init()) if (blit_present()) blit_init(); - else + else kd_xga_init(); /* get rid of any garbage in output buffer */ @@ -1309,11 +1309,11 @@ u_char ch; if ((!ch) && sit_for_0) return; - switch (ch) { + switch (ch) { case ((K_LF)): kd_down(); break; - case ((K_CR)): + case ((K_CR)): kd_cr(); break; case ((K_BS)): @@ -1428,7 +1428,7 @@ kd_scrolldn() count = ONE_LINE/ONE_SPACE; (*kd_dclear)(to, count, kd_attr); return; - + } @@ -1436,7 +1436,7 @@ kd_scrolldn() * kd_parseesc: * * This routine begins the parsing of an escape sequence. It uses the - * escape sequence array and the escape spot pointer to handle + * escape sequence array and the escape spot pointer to handle * asynchronous parsing of escape sequences. * * input : String of characters prepended by an escape @@ -1598,14 +1598,14 @@ u_char *cp; if (newpos < 0) newpos = 0; /* upper left */ if (newpos > ONE_PAGE) - newpos = (ONE_PAGE - ONE_SPACE); + newpos = (ONE_PAGE - ONE_SPACE); /* lower right */ if (*cp == '\0') break; /* not ready yet */ if (*cp == 'H') { kd_setpos(newpos); esc_spt = esc_seq; /* done, reset */ - } + } else esc_spt = esc_seq; break; /* done or not ready */ @@ -1615,12 +1615,12 @@ u_char *cp; case 0: kd_cltobcur(); /* clears from current pos to bottom. - */ + */ break; case 1: kd_cltopcur(); /* clears from top to current pos. - */ + */ break; case 2: kd_cls(); @@ -1636,7 +1636,7 @@ u_char *cp; case 0: kd_cltoecur(); /* clears from current pos to eoln. - */ + */ break; case 1: kd_clfrbcur(); /* clears from begin @@ -1695,7 +1695,7 @@ u_char *cp; else kd_erase(number); esc_spt = esc_seq; - break; + break; case '\0': break; /* not enough yet */ default: @@ -1919,7 +1919,7 @@ kd_cltopcur() /* * kd_cltoecur: * - * This function clears from the current cursor position to eoln. + * This function clears from the current cursor position to eoln. * * input : None * output : Line is cleared from current cursor position to eoln @@ -2037,7 +2037,7 @@ int number; /* * kd_delch: * - * This function deletes a number of characters from the current + * This function deletes a number of characters from the current * position in the line. * * input : number of characters to delete @@ -2091,7 +2091,7 @@ int number; csrpos_t i; csrpos_t stop; - stop = kd_curpos + (ONE_SPACE * number); + stop = kd_curpos + (ONE_SPACE * number); if (stop > BEG_OF_LINE(kd_curpos) + ONE_LINE) stop = BEG_OF_LINE(kd_curpos) + ONE_LINE; for (i = kd_curpos; i < stop; i += ONE_SPACE) { @@ -2116,7 +2116,7 @@ kd_eraseln() csrpos_t stop; stop = BEG_OF_LINE(kd_curpos) + ONE_LINE; - for (i = BEG_OF_LINE(kd_curpos); i < stop; i += ONE_SPACE) { + for (i = BEG_OF_LINE(kd_curpos); i < stop; i += ONE_SPACE) { (*kd_dput)(i, K_SPACE, kd_attr); } return; @@ -2225,12 +2225,12 @@ unsigned char ch; } -/* +/* * kd_getdata: - * - * This function returns a data byte from the keyboard RDWR port, - * after waiting until the port is flagged as having something to - * read. + * + * This function returns a data byte from the keyboard RDWR port, + * after waiting until the port is flagged as having something to + * read. */ unsigned char kd_getdata() @@ -2269,9 +2269,9 @@ kd_mouse_drain() printf("kbd: S = %x D = %x\n", i, inb(K_RDWR)); } -/* +/* * set_kd_state: - * + * * Set kd_state and update the keyboard status LEDs. */ @@ -2282,10 +2282,10 @@ int newstate; kd_setleds1(state2leds(newstate)); } -/* +/* * state2leds: - * - * Return a byte containing LED settings for the keyboard, given + * + * Return a byte containing LED settings for the keyboard, given * a state vector. */ u_char @@ -2301,10 +2301,10 @@ int state; return(result); } -/* +/* * kd_setleds[12]: - * - * Set the keyboard LEDs according to the given byte. + * + * Set the keyboard LEDs according to the given byte. */ kd_setleds1(val) u_char val; @@ -2325,11 +2325,11 @@ kd_setleds2() } -/* +/* * cnsetleds: - * + * * like kd_setleds[12], but not interrupt-based. - * Currently disabled because cngetc ignores caps lock and num + * Currently disabled because cngetc ignores caps lock and num * lock anyway. */ cnsetleds(val) @@ -2349,9 +2349,9 @@ kdreboot() kd_sendcmd(0xFE); /* XXX - magic # */ delay(1000000); /* wait to see if anything happens */ #endif - /* + /* * If that didn't work, then we'll just have to try and - * do it the hard way. + * do it the hard way. */ cpu_shutdown(); } @@ -2472,7 +2472,7 @@ kd_xga_init() * memory location for these cards. * */ - + vid_start = (u_char *)phystokv(EGA_START); kd_index_reg = EGA_IDX_REG; kd_io_reg = EGA_IO_REG; @@ -2623,9 +2623,9 @@ char chattr; } -/* +/* * kd_noopreset: - * + * * No-op reset routine for kd_dreset. */ static void @@ -2726,7 +2726,7 @@ int count; count /= kd_cols; /* num lines */ count *= fb_byte_width * (char_height+cursor_height); kd_slmscu(bit2fbptr(from_xbit, from_ybit), - bit2fbptr(to_xbit, to_ybit), + bit2fbptr(to_xbit, to_ybit), count/SLAMBPW); bmppaintcsr(kd_curpos, char_white); } else { @@ -2795,7 +2795,7 @@ char chattr; /* reverse or normal */ /* fast case - entire page */ kd_slmwd(vid_start, (fb_byte_width * fb_height)/SLAMBPW, clearval); - } else + } else /* slow case */ for (i = 0; i < count; ++i) { bmpput(to, K_SPACE, chattr); @@ -2884,7 +2884,7 @@ kdcnprobe(struct consdev *cp) maj = 0; unit = 0; pri = CN_INTERNAL; - + cp->cn_dev = makedev(maj, unit); cp->cn_pri = pri; } @@ -2923,13 +2923,13 @@ kdcnputc(dev_t dev, int c) kd_putc(c); } -/* +/* * kdcnmaygetc: - * - * Get one character using polling, rather than interrupts. Used + * + * Get one character using polling, rather than interrupts. Used * by the kernel debugger. Note that Caps Lock is ignored. - * Normally this routine is called with interrupts already - * disabled, but there is code in place so that it will be more + * Normally this routine is called with interrupts already + * disabled, but there is code in place so that it will be more * likely to work even if interrupts are turned on. */ int |