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annotate source/main.c @ 0:c450faca55f4

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Init
author Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
date Sun, 22 Oct 2017 18:25:39 +0900
parents
children 59cb42810ad9
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Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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1 /*****************************************************************
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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2 * main.c
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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3 * by Zhiyi Huang, hzy@cs.otago.ac.nz
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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4 * University of Otago
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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5 *
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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6 ********************************************************************/
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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7
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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8
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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9 #include "types.h"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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10 #include "defs.h"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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11 #include "param.h"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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12 #include "memlayout.h"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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13 #include "mmu.h"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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14 #include "proc.h"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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15 #include "arm.h"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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16 #include "mailbox.h"
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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17
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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18 extern char end[]; // first address after kernel loaded from ELF file
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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19 extern pde_t *kpgdir;
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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20 extern FBI fbinfo;
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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21 extern volatile uint *mailbuffer;
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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22
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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23 void OkLoop()
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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24 {
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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25 setgpiofunc(16, 1); // gpio 16, set as an output
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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26 while(1){
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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27 setgpioval(16, 0);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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28 delay(1000000);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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29 setgpioval(16, 1);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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30 delay(1000000);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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31 }
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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32 }
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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33
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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34 void NotOkLoop()
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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35 {
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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36 setgpiofunc(16, 1); // gpio 16, set as an output
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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37 while(1){
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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38 setgpioval(16, 0);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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39 delay(100000);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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40 setgpioval(16, 1);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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41 delay(100000);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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42 }
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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43 }
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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44
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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45 void machinit(void)
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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46 {
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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47 memset(cpus, 0, sizeof(struct cpu)*NCPU);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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48 }
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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49
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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50
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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51 void enableirqminiuart(void);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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52
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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53 int cmain()
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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54 {
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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55
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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56 mmuinit1();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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57 machinit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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58 uartinit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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59 dsb_barrier();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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60 consoleinit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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61 cprintf("\nHello World from xv6\n");
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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62 kinit1(end, P2V(8*1024*1024)); // reserve 8 pages for PGDIR
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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63 kpgdir=p2v(K_PDX_BASE);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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64
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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65 mailboxinit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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66 create_request(mailbuffer, MPI_TAG_GET_ARM_MEMORY, 8, 0, 0);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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67 writemailbox((uint *)mailbuffer, 8);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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68 readmailbox(8);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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69 if(mailbuffer[1] != 0x80000000) cprintf("new error readmailbox\n");
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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70 else
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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71 cprintf("ARM memory is %x %x\n", mailbuffer[MB_HEADER_LENGTH + TAG_HEADER_LENGTH], mailbuffer[MB_HEADER_LENGTH + TAG_HEADER_LENGTH+1]);
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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72
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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73 pinit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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74 tvinit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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75 cprintf("it is ok after tvinit\n");
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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76 binit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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77 cprintf("it is ok after binit\n");
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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78 fileinit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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79 cprintf("it is ok after fileinit\n");
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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80 iinit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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81 cprintf("it is ok after iinit\n");
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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82 ideinit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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83 cprintf("it is ok after ideinit\n");
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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84 timer3init();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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85 kinit2(P2V(8*1024*1024), P2V(PHYSTOP));
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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86 cprintf("it is ok after kinit2\n");
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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87 userinit();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
parents:
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88 cprintf("it is ok after userinit\n");
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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89 scheduler();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
parents:
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90
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
parents:
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91
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
parents:
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92 NotOkLoop();
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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93
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
parents:
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94 return 0;
Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
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95 }