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nuclear@1
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1 #include <stdio.h>
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nuclear@16
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2 #include "mboot.h"
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nuclear@0
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3 #include "vid.h"
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nuclear@1
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4 #include "term.h"
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nuclear@16
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5 #include "asmops.h"
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nuclear@7
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6 #include "segm.h"
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nuclear@10
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7 #include "intr.h"
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nuclear@36
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8 #include "rtc.h"
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nuclear@33
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9 #include "timer.h"
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nuclear@27
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10 #include "mem.h"
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nuclear@16
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11 #include "vm.h"
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nuclear@16
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12
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nuclear@2
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13 /* special keys */
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nuclear@2
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14 enum {
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nuclear@2
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15 LALT, RALT,
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nuclear@2
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16 LCTRL, RCTRL,
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nuclear@2
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17 LSHIFT, RSHIFT,
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nuclear@2
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18 F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12,
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nuclear@2
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19 CAPSLK, NUMLK, SCRLK, SYSRQ,
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nuclear@2
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20 ESC = 27,
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nuclear@2
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21 INSERT, DEL, HOME, END, PGUP, PGDN, LEFT, RIGHT, UP, DOWN,
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nuclear@2
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22 NUM_DOT, NUM_ENTER, NUM_PLUS, NUM_MINUS, NUM_MUL, NUM_DIV,
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nuclear@2
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23 NUM_0, NUM_1, NUM_2, NUM_3, NUM_4, NUM_5, NUM_6, NUM_7, NUM_8, NUM_9,
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nuclear@2
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24 BACKSP = 127
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nuclear@2
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25 };
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nuclear@2
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26
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nuclear@2
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27 /* table with rough translations from set 1 scancodes to ASCII-ish */
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nuclear@2
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28 static int keycodes[] = {
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nuclear@2
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29 0, ESC, '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b', /* 0 - e */
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nuclear@2
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30 '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', /* f - 1c */
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nuclear@2
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31 LCTRL, 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', /* 1d - 29 */
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nuclear@2
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32 LSHIFT, '\\', 'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', RSHIFT, /* 2a - 36 */
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nuclear@2
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33 NUM_MUL, LALT, ' ', CAPSLK, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, /* 37 - 44 */
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nuclear@2
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34 NUMLK, SCRLK, NUM_7, NUM_8, NUM_9, NUM_MINUS, NUM_4, NUM_5, NUM_6, NUM_PLUS, /* 45 - 4e */
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nuclear@2
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35 NUM_1, NUM_2, NUM_3, NUM_0, NUM_DOT, SYSRQ, 0, 0, F11, F12, /* 4d - 58 */
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nuclear@2
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36 0, 0, 0, 0, 0, 0, 0, /* 59 - 5f */
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nuclear@2
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37 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 60 - 6f */
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nuclear@2
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38 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* 70 - 7f */
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nuclear@2
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39 };
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nuclear@2
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40
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nuclear@16
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41 void kmain(struct mboot_info *mbinf)
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nuclear@0
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42 {
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nuclear@2
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43 clear_scr();
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nuclear@16
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44
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nuclear@16
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45 /* pointless verbal diarrhea */
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nuclear@16
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46 if(mbinf->flags & MB_LDRNAME) {
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nuclear@16
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47 printf("loaded by: %s\n", mbinf->boot_loader_name);
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nuclear@16
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48 }
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nuclear@16
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49 if(mbinf->flags & MB_CMDLINE) {
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nuclear@16
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50 printf("kernel command line: %s\n", mbinf->cmdline);
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nuclear@16
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51 }
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nuclear@16
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52
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nuclear@2
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53 puts("kernel starting up");
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nuclear@2
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54
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nuclear@7
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55 init_segm();
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nuclear@10
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56 init_intr();
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nuclear@7
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57
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nuclear@26
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58 /* initialize the physical memory manager */
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nuclear@26
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59 init_mem(mbinf);
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nuclear@26
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60 /* initialize paging and the virtual memory manager */
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nuclear@26
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61 init_vm();
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nuclear@19
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62
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nuclear@40
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63 /* initialize the timer and RTC */
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nuclear@40
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64 init_timer();
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nuclear@40
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65 init_rtc();
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nuclear@40
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66
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nuclear@27
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67 /* initialization complete, enable interrupts */
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nuclear@27
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68 enable_intr();
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nuclear@27
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69
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nuclear@2
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70 for(;;) {
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nuclear@2
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71 char c, keypress;
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nuclear@2
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72 do {
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nuclear@2
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73 inb(keypress, 0x64);
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nuclear@2
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74 } while(!(keypress & 1));
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nuclear@2
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75 inb(c, 0x60);
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nuclear@2
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76 if(!(c & 0x80)) {
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nuclear@7
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77 putchar(keycodes[(int)c]);
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nuclear@2
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78 }
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nuclear@2
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79 }
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nuclear@0
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80 }
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