1 | #include <rtems.h> |
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2 | #include <rtems/libio.h> |
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3 | #include <rtems/bspIo.h> |
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4 | #include <rtems/console.h> |
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5 | |
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6 | #include <string.h> |
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7 | |
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8 | ssize_t app_memory_write(int minor, const char* buf, size_t len) |
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9 | __attribute__(( weak, alias("__bsp_memory_write") )); |
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10 | |
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11 | ssize_t __bsp_memory_write(int minor, const char* buf, size_t len); |
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12 | |
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13 | ssize_t __bsp_memory_write(int minor, const char* buf, size_t len) |
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14 | { |
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15 | const char* const last = buf+len; |
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16 | while (buf < last) |
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17 | { |
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18 | rtems_putc(*buf++); |
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19 | } |
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20 | return len; |
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21 | } |
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22 | |
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23 | static rtems_termios_callbacks gMemCallbacks = { |
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24 | 0, /* firstOpen */ |
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25 | 0, /* lastClose */ |
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26 | 0, /* PollRead */ |
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27 | app_memory_write, /* write */ |
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28 | 0, /* SetAttr */ |
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29 | 0, /* stopRemoteTx */ |
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30 | 0, /* startRemoteTx */ |
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31 | 0 /* outputUsesInterrupts */ |
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32 | }; |
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33 | |
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34 | rtems_device_driver console_initialize(rtems_device_major_number major, |
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35 | rtems_device_minor_number minor, |
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36 | void* arg) |
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37 | { |
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38 | rtems_status_code status; |
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39 | |
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40 | rtems_termios_initialize(); |
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41 | |
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42 | status = rtems_io_register_name("/dev/console", major, 0); |
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43 | |
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44 | if (status != RTEMS_SUCCESSFUL) rtems_fatal_error_occurred (status); |
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45 | return RTEMS_SUCCESSFUL; |
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46 | } |
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47 | |
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48 | rtems_device_driver console_open(rtems_device_major_number major, |
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49 | rtems_device_minor_number minor, |
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50 | void* arg) |
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51 | { |
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52 | rtems_status_code sc; |
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53 | |
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54 | sc = rtems_termios_open (major, minor, arg, &gMemCallbacks); |
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55 | |
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56 | return sc; |
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57 | } |
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58 | |
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59 | rtems_device_driver console_close(rtems_device_major_number major, |
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60 | rtems_device_minor_number minor, |
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61 | void* arg) |
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62 | { |
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63 | return rtems_termios_close(arg); |
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64 | } |
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65 | |
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66 | rtems_device_driver console_read(rtems_device_major_number major, |
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67 | rtems_device_minor_number minor, |
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68 | void* arg) |
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69 | { |
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70 | return rtems_termios_read(arg); |
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71 | } |
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72 | |
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73 | rtems_device_driver console_write(rtems_device_major_number major, |
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74 | rtems_device_minor_number minor, |
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75 | void* arg) |
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76 | { |
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77 | return rtems_termios_write(arg); |
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78 | } |
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79 | |
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80 | rtems_device_driver console_control(rtems_device_major_number major, |
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81 | rtems_device_minor_number minor, |
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82 | void* arg) |
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83 | { |
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84 | return rtems_termios_ioctl(arg); |
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85 | } |
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