Last change
on this file since 684 was
368,
checked in by cfuguet, 12 years ago
|
Modification in tsar/trunk/softs/tsar_boot
Writing the carriage return ('\r')character whenever the
line feed character ('\n') is written on the tty.
This modification has been implemented in the boot_putc
function.
Relocating the ldscript of the tsar_boot into each platform
conf directory.
|
File size:
1.7 KB
|
Line | |
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1 | #include <boot_tty.h> |
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2 | #include <defs.h> |
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3 | |
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4 | int boot_getc(char *c) |
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5 | { |
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6 | unsigned int* tty_address = (unsigned int*) TTY_BASE; |
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7 | if (ioread32(&tty_address[TTY_STATUS]) == 0) |
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8 | return 0; |
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9 | |
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10 | *c = ioread32(&tty_address[TTY_READ]); |
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11 | return 1; |
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12 | } |
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13 | |
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14 | void boot_putc(const char c) |
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15 | { |
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16 | unsigned int* tty_address = (unsigned int*) TTY_BASE; |
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17 | iowrite32(&tty_address[TTY_WRITE], (unsigned int)c); |
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18 | |
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19 | if (c == '\n') |
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20 | { |
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21 | iowrite32(&tty_address[TTY_WRITE], (unsigned int)'\r'); |
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22 | } |
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23 | } |
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24 | |
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25 | void boot_puts(const char *buffer) |
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26 | { |
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27 | unsigned int n; |
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28 | |
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29 | for ( n=0; n<100; n++) |
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30 | { |
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31 | if (buffer[n] == 0) break; |
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32 | |
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33 | boot_putc(buffer[n]); |
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34 | } |
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35 | } |
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36 | |
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37 | void boot_putx(unsigned int val) |
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38 | { |
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39 | static const char HexaTab[] = "0123456789ABCDEF"; |
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40 | char buf[11]; |
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41 | unsigned int c; |
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42 | |
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43 | buf[0] = '0'; |
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44 | buf[1] = 'x'; |
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45 | buf[10] = 0; |
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46 | |
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47 | for ( c = 0 ; c < 8 ; c++ ) |
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48 | { |
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49 | buf[9-c] = HexaTab[val&0xF]; |
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50 | val = val >> 4; |
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51 | } |
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52 | boot_puts(buf); |
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53 | } |
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54 | |
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55 | void boot_putd(unsigned int val) |
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56 | { |
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57 | static const char DecTab[] = "0123456789"; |
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58 | char buf[11]; |
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59 | unsigned int i; |
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60 | unsigned int first = 0; |
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61 | |
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62 | buf[10] = 0; |
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63 | |
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64 | for ( i = 0 ; i < 10 ; i++ ) |
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65 | { |
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66 | if ((val != 0) || (i == 0)) |
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67 | { |
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68 | buf[9-i] = DecTab[val % 10]; |
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69 | first = 9-i; |
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70 | } |
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71 | else |
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72 | { |
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73 | break; |
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74 | } |
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75 | val /= 10; |
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76 | } |
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77 | boot_puts( &buf[first] ); |
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78 | } |
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79 | |
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80 | void boot_exit() |
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81 | { |
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82 | register int pid; |
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83 | asm volatile( "mfc0 %0, $15, 1": "=r"(pid) ); |
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84 | |
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85 | boot_puts("\n!!! Exit Processor "); |
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86 | boot_putx(pid); |
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87 | boot_puts(" !!!\n"); |
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88 | |
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89 | while(1) asm volatile("nop"); // infinite loop... |
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90 | } |
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91 | |
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