#include "u.h" #include "lib.h" #include "mem.h" #include "dat.h" #include "fns.h" #include "io.h" #include #include #include "screen.h" enum { Data= 0x60, /* data port */ Status= 0x64, /* status port */ Inready= 0x01, /* input character ready */ Outbusy= 0x02, /* output busy */ Sysflag= 0x04, /* system flag */ Cmddata= 0x08, /* cmd==0, data==1 */ Inhibit= 0x10, /* keyboard/mouse inhibited */ Minready= 0x20, /* mouse character ready */ Rtimeout= 0x40, /* general timeout */ Parity= 0x80, Cmd= 0x64, /* command port (write only) */ Spec= 0x80, PF= Spec|0x20, /* num pad function key */ View= Spec|0x00, /* view (shift window up) */ KF= Spec|0x40, /* function key */ Shift= Spec|0x60, Break= Spec|0x61, Ctrl= Spec|0x62, Latin= Spec|0x63, Caps= Spec|0x64, Num= Spec|0x65, No= Spec|0x7F, /* no mapping */ Home= KF|13, Up= KF|14, Pgup= KF|15, Print= KF|16, Left= View, Right= View, End= '\r', Down= View, Pgdown= View, Ins= KF|20, Del= 0x7F, }; uchar kbtab[] = { [0x00] No, 0x1b, '1', '2', '3', '4', '5', '6', [0x08] '7', '8', '9', '0', '-', '=', '\b', '\t', [0x10] 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', [0x18] 'o', 'p', '[', ']', '\n', Ctrl, 'a', 's', [0x20] 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', [0x28] '\'', '`', Shift, '\\', 'z', 'x', 'c', 'v', [0x30] 'b', 'n', 'm', ',', '.', '/', Shift, No, [0x38] Latin, ' ', Caps, KF|1, KF|2, KF|3, KF|4, KF|5, [0x40] KF|6, KF|7, KF|8, KF|9, KF|10, Num, KF|12, Home, [0x48] No, No, No, No, No, No, No, No, [0x50] No, No, No, No, No, No, No, KF|11, [0x58] KF|12, No, No, No, No, No, No, No, }; uchar kbtabshift[] = { [0x00] No, 0x1b, '!', '@', '#', '$', '%', '^', [0x08] '&', '*', '(', ')', '_', '+', '\b', '\t', [0x10] 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', [0x18] 'O', 'P', '{', '}', '\n', Ctrl, 'A', 'S', [0x20] 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', [0x28] '"', '~', Shift, '|', 'Z', 'X', 'C', 'V', [0x30] 'B', 'N', 'M', '<', '>', '?', Shift, No, [0x38] Latin, ' ', Caps, KF|1, KF|2, KF|3, KF|4, KF|5, [0x40] KF|6, KF|7, KF|8, KF|9, KF|10, Num, KF|12, Home, [0x48] No, No, No, No, No, No, No, No, [0x50] No, No, No, No, No, No, No, KF|11, [0x58] KF|12, No, No, No, No, No, No, No, }; uchar kbtabesc1[] = { [0x00] No, No, No, No, No, No, No, No, [0x08] No, No, No, No, No, No, No, No, [0x10] No, No, No, No, No, No, No, No, [0x18] No, No, No, No, No, Ctrl, No, No, [0x20] No, No, No, No, No, No, No, No, [0x28] No, No, No, No, No, No, No, No, [0x30] No, No, No, No, No, No, No, Print, [0x38] Latin, No, No, No, No, No, No, No, [0x40] No, No, No, No, No, No, Break, Home, [0x48] Up, Pgup, No, Down, No, Right, No, End, [0x50] Left, Pgdown, Ins, Del, No, No, No, No, [0x58] No, No, No, No, No, No, No, No, }; struct latin { uchar l; char c[2]; }latintab[] = { '€', "!!", /* spanish initial ! */ '€', "c|", /* cent */ '€', "c$", /* cent */ '€', "l$", /* pound sterling */ '€', "g$", /* general currency */ '€', "y$", /* yen */ '€', "j$", /* yen */ '€', "||", /* broken vertical bar */ '€', "SS", /* section symbol */ '€', "\"\"", /* dieresis */ '€', "cr", /* copyright */ '€', "cO", /* copyright */ '€', "sa", /* super a, feminine ordinal */ '€', "<<", /* left angle quotation */ '€', "no", /* not sign, hooked overbar */ '€', "--", /* soft hyphen */ '€', "rg", /* registered trademark */ '€', "__", /* macron */ '€', "s0", /* degree (sup o) */ '€', "+-", /* plus-minus */ '€', "s2", /* sup 2 */ '€', "s3", /* sup 3 */ '€', "''", /* grave accent */ '€', "mu", /* mu */ '€', "pg", /* paragraph (pilcrow) */ '€', "..", /* centered . */ '€', ",,", /* cedilla */ '€', "s1", /* sup 1 */ '€', "so", /* sup o */ '€', ">>", /* right angle quotation */ '€', "14", /* 1/4 */ '€', "12", /* 1/2 */ '€', "34", /* 3/4 */ '€', "??", /* spanish initial ? */ '€', "A`", /* A grave */ '€', "A'", /* A acute */ '€', "A^", /* A circumflex */ '€', "A~", /* A tilde */ '€', "A\"", /* A dieresis */ '€', "A:", /* A dieresis */ '€', "Ao", /* A circle */ '€', "AO", /* A circle */ '€', "Ae", /* AE ligature */ '€', "AE", /* AE ligature */ '€', "C,", /* C cedilla */ '€', "E`", /* E grave */ '€', "E'", /* E acute */ '€', "E^", /* E circumflex */ '€', "E\"", /* E dieresis */ '€', "E:", /* E dieresis */ '€', "I`", /* I grave */ '€', "I'", /* I acute */ '€', "I^", /* I circumflex */ '€', "I\"", /* I dieresis */ '€', "I:", /* I dieresis */ '€', "D-", /* Eth */ '€', "N~", /* N tilde */ '€', "O`", /* O grave */ '€', "O'", /* O acute */ '€', "O^", /* O circumflex */ '€', "O~", /* O tilde */ '€', "O\"", /* O dieresis */ '€', "O:", /* O dieresis */ '€', "OE", /* O dieresis */ '€', "Oe", /* O dieresis */ '€', "xx", /* times sign */ '€', "O/", /* O slash */ '€', "U`", /* U grave */ '€', "U'", /* U acute */ '€', "U^", /* U circumflex */ '€', "U\"", /* U dieresis */ '€', "U:", /* U dieresis */ '€', "UE", /* U dieresis */ '€', "Ue", /* U dieresis */ '€', "Y'", /* Y acute */ '€', "P|", /* Thorn */ '€', "Th", /* Thorn */ '€', "TH", /* Thorn */ '€', "ss", /* sharp s */ '€', "a`", /* a grave */ '€', "a'", /* a acute */ '€', "a^", /* a circumflex */ '€', "a~", /* a tilde */ '€', "a\"", /* a dieresis */ '€', "a:", /* a dieresis */ '€', "ao", /* a circle */ '€', "ae", /* ae ligature */ '€', "c,", /* c cedilla */ '€', "e`", /* e grave */ '€', "e'", /* e acute */ '€', "e^", /* e circumflex */ '€', "e\"", /* e dieresis */ '€', "e:", /* e dieresis */ '€', "i`", /* i grave */ '€', "i'", /* i acute */ '€', "i^", /* i circumflex */ '€', "i\"", /* i dieresis */ '€', "i:", /* i dieresis */ '€', "d-", /* eth */ '€', "n~", /* n tilde */ '€', "o`", /* o grave */ '€', "o'", /* o acute */ '€', "o^", /* o circumflex */ '€', "o~", /* o tilde */ '€', "o\"", /* o dieresis */ '€', "o:", /* o dieresis */ '€', "oe", /* o dieresis */ '€', "-:", /* divide sign */ '€', "o/", /* o slash */ '€', "u`", /* u grave */ '€', "u'", /* u acute */ '€', "u^", /* u circumflex */ '€', "u\"", /* u dieresis */ '€', "u:", /* u dieresis */ '€', "ue", /* u dieresis */ '€', "y'", /* y acute */ '€', "th", /* thorn */ '€', "p|", /* thorn */ '€', "y\"", /* y dieresis */ '€', "y:", /* y dieresis */ 0, 0, }; KIOQ kbdq; int latin1(int k1, int k2) { int i; struct latin *l; for(l=latintab; l->l; l++) if(k1==l->c[0] && k2==l->c[1]) return l->l; return 0; } /* * wait for output no longer busy */ static int outready(void) { int tries; for(tries = 0; (inb(Status) & Outbusy); tries++) if(tries > 1000) return -1; return 0; } /* * wait for input */ static int inready(void) { int tries; for(tries = 0; !(inb(Status) & Inready); tries++) if(tries > 1000) return -1; return 0; } /* * send a command to the mouse */ static int mousecmd(int cmd) { unsigned int c; int tries; for(tries=0; tries < 10; tries++){ if(outready() < 0) return -1; outb(Cmd, 0xD4); if(outready() < 0) return -1; outb(Data, cmd); if(inready() < 0) return -1; c = inb(Data); } while(c == 0xFE); if(c != 0xFA) return -1; return 0; } void kbdinit(void) { int c, s; int tries; initq(&kbdq); setvec(Kbdvec, kbdintr); initq(&mouseq); setvec(Mousevec, kbdintr); /* wait for a quiescent controller */ while((c = inb(Status)) & (Outbusy | Inready)) if(c & Inready) inb(Data); /* enable kbd/mouse xfers and interrupts */ outb(Cmd, 0x60); if(outready() < 0) print("kbd init failed\n"); outb(Data, 0x47); if(outready() < 0) print("kbd init failed\n"); outb(Cmd, 0xA8); /* make mouse streaming, enabled */ if(mousecmd(0xEA) < 0 || mousecmd(0xF4) < 0) print("can't initialize mouse\n"); } /* * mouse message is three bytes * * byte 0 - 0 0 SDY SDX 1 M R L * byte 1 - DX * byte 2 - DY */ static void mymouseputc(int c) { static short msg[3]; static int nb; static uchar b[] = {0, 1, 4, 5, 2, 3, 6, 7}; static lastdx, lastdy; int diff; extern Mouseinfo mouse; /* * check byte 0 for consistency */ if(nb==0 && (c&0xc8)!=0x08) return; msg[nb] = c; if(++nb == 3){ nb = 0; if(msg[0] & 0x10) msg[1] |= 0xFF00; if(msg[0] & 0x20) msg[2] |= 0xFF00; mouse.newbuttons = b[msg[0]&7]; mouse.dx = msg[1]; mouse.dy = -msg[2]; mouse.track = 1; spllo(); /* mouse tracking kills uart0 */ mouseclock(); } } /* * keyboard interrupt */ int kbdintr0(void) { int s, c, nc; static int esc1, esc2; static int shift; static int caps; static int ctl; static int num; static int lstate, k1, k2; int keyup; /* * get status */ s = inb(Status); if(!(s&Inready)) return -1; /* * get the character */ c = inb(Data); /* * if it's the mouse... */ if(s & Minready){ mymouseputc(c); return 0; } /* * e0's is the first of a 2 character sequence */ if(c == 0xe0){ esc1 = 1; return 0; } else if(c == 0xe1){ esc2 = 2; return 0; } keyup = c&0x80; c &= 0x7f; if(c > sizeof kbtab){ print("unknown key %ux\n", c|keyup); kbdputc(&kbdq, k1); return 0; } if(esc1){ c = kbtabesc1[c]; esc1 = 0; kbdputc(&kbdq, c); return 0; } else if(esc2){ esc2--; return 0; } else if(shift) c = kbtabshift[c]; else c = kbtab[c]; if(caps && c<='z' && c>='a') c += 'A' - 'a'; /* * keyup only important for shifts */ if(keyup){ switch(c){ case Shift: shift = 0; break; case Ctrl: ctl = 0; break; } return 0; } /* * normal character */ if(!(c & Spec)){ if(ctl) c &= 0x1f; switch(lstate){ case 1: k1 = c; lstate = 2; return 0; case 2: k2 = c; lstate = 0; c = latin1(k1, k2); if(c == 0){ kbdputc(&kbdq, k1); c = k2; } /* fall through */ default: break; } } else { switch(c){ case Caps: caps ^= 1; return 0; case Num: num ^= 1; return 0; case Shift: shift = 1; return 0; case Latin: lstate = 1; return 0; case Ctrl: ctl = 1; return 0; } } kbdputc(&kbdq, c); return 0; } void kbdintr(Ureg *ur) { while(kbdintr0() == 0) ; }