📄 keyboard.c
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<!doctype html public "-//W3C//DTD HTML 3.2//EN"><html><head><title>Linux/kernel/chr_drv/keyboard.c</title><base href="http://oldlinux.org/lxr/http/"></head><body bgcolor=white><div align=center> [<b><i>source navigation</i></b>] [<a href="diff/kernel/chr_drv/keyboard.c?v=0.97">diff markup</a>] [<a href="ident?v=0.97">identifier search</a>] [<a href="search?v=0.97">freetext search</a>] [<a href="find?v=0.97">file search</a>]</div><h1 align=center> <a href="http:/"> Oldlinux</a> <a href="http:blurb.html"> Cross Reference</a><br> <a href="source/?v=0.97">Linux</a>/<a href="source/kernel/?v=0.97">kernel</a>/<a href="source/kernel/chr_drv/?v=0.97">chr_drv</a>/<a href="source/kernel/chr_drv/keyboard.c?v=0.97">keyboard.c</a></h1><div align=center> <b>Version:</b> [<a href="source/kernel/chr_drv/keyboard.c?v=1.0">1.0</a>] [<a href="source/kernel/chr_drv/keyboard.c?v=0.99.11">0.99.11</a>] [<a href="source/kernel/chr_drv/keyboard.c?v=0.99">0.99</a>] [<a href="source/kernel/chr_drv/keyboard.c?v=0.98">0.98</a>] [<b><i>0.97</i></b>] [<a href="source/kernel/chr_drv/keyboard.c?v=0.96a">0.96a</a>] [<a href="source/kernel/chr_drv/keyboard.c?v=0.95">0.95</a>] [<a href="source/kernel/chr_drv/keyboard.c?v=0.12">0.12</a>] [<a href="source/kernel/chr_drv/keyboard.c">0.11</a>] [<a href="source/kernel/chr_drv/keyboard.c?v=0.01">0.01</a>] <br> <b>Architecture:</b> [<b><i>i386</i></b>] <br></div><hr><pre> <a name=L1 href="source/kernel/chr_drv/keyboard.c?v=0.97#L1">1</a> <b><i>/*</i></b> <a name=L2 href="source/kernel/chr_drv/keyboard.c?v=0.97#L2">2</a> <b><i> * linux/kernel/chr_drv/keyboard.c</i></b> <a name=L3 href="source/kernel/chr_drv/keyboard.c?v=0.97#L3">3</a> <b><i> *</i></b> <a name=L4 href="source/kernel/chr_drv/keyboard.c?v=0.97#L4">4</a> <b><i> * Keyboard driver for Linux v0.96 using Latin-1.</i></b> <a name=L5 href="source/kernel/chr_drv/keyboard.c?v=0.97#L5">5</a> <b><i> *</i></b> <a name=L6 href="source/kernel/chr_drv/keyboard.c?v=0.97#L6">6</a> <b><i> * Written for linux by Johan Myreen as a translation from</i></b> <a name=L7 href="source/kernel/chr_drv/keyboard.c?v=0.97#L7">7</a> <b><i> * the assembly version by Linus (with diacriticals added)</i></b> <a name=L8 href="source/kernel/chr_drv/keyboard.c?v=0.97#L8">8</a> <b><i> */</i></b> <a name=L9 href="source/kernel/chr_drv/keyboard.c?v=0.97#L9">9</a> <a name=L10 href="source/kernel/chr_drv/keyboard.c?v=0.97#L10">10</a> #include <linux/sched.h> <a name=L11 href="source/kernel/chr_drv/keyboard.c?v=0.97#L11">11</a> #include <linux/ctype.h> <a name=L12 href="source/kernel/chr_drv/keyboard.c?v=0.97#L12">12</a> #include <linux/tty.h> <a name=L13 href="source/kernel/chr_drv/keyboard.c?v=0.97#L13">13</a> #include <linux/mm.h> <a name=L14 href="source/kernel/chr_drv/keyboard.c?v=0.97#L14">14</a> #include <linux/ptrace.h> <a name=L15 href="source/kernel/chr_drv/keyboard.c?v=0.97#L15">15</a> <a name=L16 href="source/kernel/chr_drv/keyboard.c?v=0.97#L16">16</a> #include <asm/io.h> <a name=L17 href="source/kernel/chr_drv/keyboard.c?v=0.97#L17">17</a> #include <asm/system.h> <a name=L18 href="source/kernel/chr_drv/keyboard.c?v=0.97#L18">18</a> <a name=L19 href="source/kernel/chr_drv/keyboard.c?v=0.97#L19">19</a> #define <a href="ident?v=0.97;i=LSHIFT">LSHIFT</a> 0x01 <a name=L20 href="source/kernel/chr_drv/keyboard.c?v=0.97#L20">20</a> #define <a href="ident?v=0.97;i=RSHIFT">RSHIFT</a> 0x02 <a name=L21 href="source/kernel/chr_drv/keyboard.c?v=0.97#L21">21</a> #define <a href="ident?v=0.97;i=LCTRL">LCTRL</a> 0x04 <a name=L22 href="source/kernel/chr_drv/keyboard.c?v=0.97#L22">22</a> #define <a href="ident?v=0.97;i=RCTRL">RCTRL</a> 0x08 <a name=L23 href="source/kernel/chr_drv/keyboard.c?v=0.97#L23">23</a> #define <a href="ident?v=0.97;i=ALT">ALT</a> 0x10 <a name=L24 href="source/kernel/chr_drv/keyboard.c?v=0.97#L24">24</a> #define <a href="ident?v=0.97;i=ALTGR">ALTGR</a> 0x20 <a name=L25 href="source/kernel/chr_drv/keyboard.c?v=0.97#L25">25</a> #define <a href="ident?v=0.97;i=CAPS">CAPS</a> 0x40 <a name=L26 href="source/kernel/chr_drv/keyboard.c?v=0.97#L26">26</a> #define <a href="ident?v=0.97;i=CAPSDOWN">CAPSDOWN</a> 0x80 <a name=L27 href="source/kernel/chr_drv/keyboard.c?v=0.97#L27">27</a> <a name=L28 href="source/kernel/chr_drv/keyboard.c?v=0.97#L28">28</a> #define <a href="ident?v=0.97;i=SCRLED">SCRLED</a> 0x01 <a name=L29 href="source/kernel/chr_drv/keyboard.c?v=0.97#L29">29</a> #define <a href="ident?v=0.97;i=NUMLED">NUMLED</a> 0x02 <a name=L30 href="source/kernel/chr_drv/keyboard.c?v=0.97#L30">30</a> #define <a href="ident?v=0.97;i=CAPSLED">CAPSLED</a> 0x04 <a name=L31 href="source/kernel/chr_drv/keyboard.c?v=0.97#L31">31</a> <a name=L32 href="source/kernel/chr_drv/keyboard.c?v=0.97#L32">32</a> #define <a href="ident?v=0.97;i=NO_META_BIT">NO_META_BIT</a> 0x80 <a name=L33 href="source/kernel/chr_drv/keyboard.c?v=0.97#L33">33</a> <a name=L34 href="source/kernel/chr_drv/keyboard.c?v=0.97#L34">34</a> unsigned char <a href="ident?v=0.97;i=kapplic">kapplic</a> = 0; <a name=L35 href="source/kernel/chr_drv/keyboard.c?v=0.97#L35">35</a> unsigned char <a href="ident?v=0.97;i=ckmode">ckmode</a> = 0; <a name=L36 href="source/kernel/chr_drv/keyboard.c?v=0.97#L36">36</a> unsigned char <a href="ident?v=0.97;i=krepeat">krepeat</a> = 1; <a name=L37 href="source/kernel/chr_drv/keyboard.c?v=0.97#L37">37</a> unsigned char <a href="ident?v=0.97;i=kmode">kmode</a> = 0; <a name=L38 href="source/kernel/chr_drv/keyboard.c?v=0.97#L38">38</a> unsigned char <a href="ident?v=0.97;i=kleds">kleds</a> = <a href="ident?v=0.97;i=NUMLED">NUMLED</a>; <a name=L39 href="source/kernel/chr_drv/keyboard.c?v=0.97#L39">39</a> unsigned char <a href="ident?v=0.97;i=ke0">ke0</a> = 0; <a name=L40 href="source/kernel/chr_drv/keyboard.c?v=0.97#L40">40</a> unsigned char <a href="ident?v=0.97;i=kraw">kraw</a> = 0; <a name=L41 href="source/kernel/chr_drv/keyboard.c?v=0.97#L41">41</a> unsigned char <a href="ident?v=0.97;i=kbd_flags">kbd_flags</a> = KBDFLAGS; <a name=L42 href="source/kernel/chr_drv/keyboard.c?v=0.97#L42">42</a> unsigned char <a href="ident?v=0.97;i=lfnlmode">lfnlmode</a> = 0; <a name=L43 href="source/kernel/chr_drv/keyboard.c?v=0.97#L43">43</a> <a name=L44 href="source/kernel/chr_drv/keyboard.c?v=0.97#L44">44</a> extern void <a href="ident?v=0.97;i=do_keyboard_interrupt">do_keyboard_interrupt</a>(void); <a name=L45 href="source/kernel/chr_drv/keyboard.c?v=0.97#L45">45</a> extern void <a href="ident?v=0.97;i=ctrl_alt_del">ctrl_alt_del</a>(void); <a name=L46 href="source/kernel/chr_drv/keyboard.c?v=0.97#L46">46</a> extern void <a href="ident?v=0.97;i=change_console">change_console</a>(unsigned int new_console); <a name=L47 href="source/kernel/chr_drv/keyboard.c?v=0.97#L47">47</a> extern struct <a href="ident?v=0.97;i=tty_queue">tty_queue</a> *<a href="ident?v=0.97;i=table_list">table_list</a>[]; <a name=L48 href="source/kernel/chr_drv/keyboard.c?v=0.97#L48">48</a> <a name=L49 href="source/kernel/chr_drv/keyboard.c?v=0.97#L49">49</a> typedef void (*<a href="ident?v=0.97;i=fptr">fptr</a>)(int); <a name=L50 href="source/kernel/chr_drv/keyboard.c?v=0.97#L50">50</a> <a name=L51 href="source/kernel/chr_drv/keyboard.c?v=0.97#L51">51</a> static unsigned char <a href="ident?v=0.97;i=old_leds">old_leds</a> = 2; <a name=L52 href="source/kernel/chr_drv/keyboard.c?v=0.97#L52">52</a> static int <a href="ident?v=0.97;i=diacr">diacr</a> = -1; <a name=L53 href="source/kernel/chr_drv/keyboard.c?v=0.97#L53">53</a> static int <a href="ident?v=0.97;i=npadch">npadch</a> = 0; <a name=L54 href="source/kernel/chr_drv/keyboard.c?v=0.97#L54">54</a> <a href="ident?v=0.97;i=fptr">fptr</a> <a href="ident?v=0.97;i=key_table">key_table</a>[]; <a name=L55 href="source/kernel/chr_drv/keyboard.c?v=0.97#L55">55</a> <a name=L56 href="source/kernel/chr_drv/keyboard.c?v=0.97#L56">56</a> static void <a href="ident?v=0.97;i=put_queue">put_queue</a>(int); <a name=L57 href="source/kernel/chr_drv/keyboard.c?v=0.97#L57">57</a> void <a href="ident?v=0.97;i=set_leds">set_leds</a>(void); <a name=L58 href="source/kernel/chr_drv/keyboard.c?v=0.97#L58">58</a> static void <a href="ident?v=0.97;i=applkey">applkey</a>(int); <a name=L59 href="source/kernel/chr_drv/keyboard.c?v=0.97#L59">59</a> static void <a href="ident?v=0.97;i=cur">cur</a>(int); <a name=L60 href="source/kernel/chr_drv/keyboard.c?v=0.97#L60">60</a> static void <a href="ident?v=0.97;i=kb_wait">kb_wait</a>(void), <a href="ident?v=0.97;i=kb_ack">kb_ack</a>(void); <a name=L61 href="source/kernel/chr_drv/keyboard.c?v=0.97#L61">61</a> static unsigned int <a href="ident?v=0.97;i=handle_diacr">handle_diacr</a>(unsigned int); <a name=L62 href="source/kernel/chr_drv/keyboard.c?v=0.97#L62">62</a> <a name=L63 href="source/kernel/chr_drv/keyboard.c?v=0.97#L63">63</a> static struct <a href="ident?v=0.97;i=pt_regs">pt_regs</a> * <a href="ident?v=0.97;i=pt_regs">pt_regs</a>; <a name=L64 href="source/kernel/chr_drv/keyboard.c?v=0.97#L64">64</a> <a name=L65 href="source/kernel/chr_drv/keyboard.c?v=0.97#L65">65</a> void <a href="ident?v=0.97;i=keyboard_interrupt">keyboard_interrupt</a>(int int_pt_regs) <a name=L66 href="source/kernel/chr_drv/keyboard.c?v=0.97#L66">66</a> { <a name=L67 href="source/kernel/chr_drv/keyboard.c?v=0.97#L67">67</a> static unsigned char rep = 0xff, repke0 = 0; <a name=L68 href="source/kernel/chr_drv/keyboard.c?v=0.97#L68">68</a> unsigned char scancode, <a href="ident?v=0.97;i=x">x</a>; <a name=L69 href="source/kernel/chr_drv/keyboard.c?v=0.97#L69">69</a> struct <a href="ident?v=0.97;i=tty_struct">tty_struct</a> * tty = <a href="ident?v=0.97;i=TTY_TABLE">TTY_TABLE</a>(0); <a name=L70 href="source/kernel/chr_drv/keyboard.c?v=0.97#L70">70</a> <a name=L71 href="source/kernel/chr_drv/keyboard.c?v=0.97#L71">71</a> <a href="ident?v=0.97;i=pt_regs">pt_regs</a> = (struct <a href="ident?v=0.97;i=pt_regs">pt_regs</a> *) int_pt_regs; <a name=L72 href="source/kernel/chr_drv/keyboard.c?v=0.97#L72">72</a> scancode=<a href="ident?v=0.97;i=inb_p">inb_p</a>(0x60); <a name=L73 href="source/kernel/chr_drv/keyboard.c?v=0.97#L73">73</a> <a href="ident?v=0.97;i=x">x</a>=<a href="ident?v=0.97;i=inb_p">inb_p</a>(0x61); <a name=L74 href="source/kernel/chr_drv/keyboard.c?v=0.97#L74">74</a> <a href="ident?v=0.97;i=outb_p">outb_p</a>(<a href="ident?v=0.97;i=x">x</a>|0x80, 0x61); <a name=L75 href="source/kernel/chr_drv/keyboard.c?v=0.97#L75">75</a> <a href="ident?v=0.97;i=outb_p">outb_p</a>(<a href="ident?v=0.97;i=x">x</a>&0x7f, 0x61);⌨️ 快捷键说明
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