1 | // -*- Mode: CFA -*- |
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2 | // |
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3 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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4 | // |
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5 | // The contents of this file are covered under the licence agreement in the |
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6 | // file "LICENCE" distributed with Cforall. |
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7 | // |
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8 | // kernel_private.h -- |
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9 | // |
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10 | // Author : Thierry Delisle |
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11 | // Created On : Mon Feb 13 12:27:26 2017 |
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12 | // Last Modified By : Thierry Delisle |
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13 | // Last Modified On : -- |
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14 | // Update Count : 0 |
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15 | // |
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16 | |
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17 | #ifndef KERNEL_PRIVATE_H |
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18 | #define KERNEL_PRIVATE_H |
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19 | |
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20 | #include "libhdr.h" |
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21 | |
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22 | #include "kernel" |
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23 | #include "thread" |
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24 | |
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25 | #include "alarm.h" |
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26 | |
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27 | |
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28 | //----------------------------------------------------------------------------- |
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29 | // Scheduler |
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30 | |
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31 | extern "C" { |
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32 | void disable_interrupts(); |
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33 | void enable_interrupts_noRF(); |
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34 | void enable_interrupts( DEBUG_CTX_PARAM ); |
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35 | } |
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36 | |
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37 | void ScheduleThread( thread_desc * ); |
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38 | static inline void WakeThread( thread_desc * thrd ) { |
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39 | if( !thrd ) return; |
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40 | |
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41 | disable_interrupts(); |
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42 | ScheduleThread( thrd ); |
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43 | enable_interrupts( DEBUG_CTX ); |
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44 | } |
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45 | thread_desc * nextThread(cluster * this); |
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46 | |
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47 | void BlockInternal(void); |
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48 | void BlockInternal(spinlock * lock); |
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49 | void BlockInternal(thread_desc * thrd); |
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50 | void BlockInternal(spinlock * lock, thread_desc * thrd); |
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51 | void BlockInternal(spinlock ** locks, unsigned short count); |
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52 | void BlockInternal(spinlock ** locks, unsigned short count, thread_desc ** thrds, unsigned short thrd_count); |
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53 | void LeaveThread(spinlock * lock, thread_desc * thrd); |
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54 | |
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55 | //----------------------------------------------------------------------------- |
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56 | // Processor |
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57 | coroutine processorCtx_t { |
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58 | processor * proc; |
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59 | }; |
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60 | |
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61 | void main(processorCtx_t *); |
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62 | void start(processor * this); |
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63 | void runThread(processor * this, thread_desc * dst); |
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64 | void finishRunning(processor * this); |
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65 | void spin(processor * this, unsigned int * spin_count); |
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66 | |
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67 | struct system_proc_t { |
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68 | processor proc; |
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69 | |
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70 | alarm_list_t alarms; |
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71 | spinlock alarm_lock; |
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72 | |
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73 | bool pending_alarm; |
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74 | }; |
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75 | |
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76 | extern cluster * systemCluster; |
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77 | extern system_proc_t * systemProcessor; |
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78 | extern volatile thread_local processor * this_processor; |
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79 | extern volatile thread_local coroutine_desc * this_coroutine; |
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80 | extern volatile thread_local thread_desc * this_thread; |
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81 | extern volatile thread_local unsigned short disable_preempt_count; |
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82 | |
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83 | //----------------------------------------------------------------------------- |
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84 | // Threads |
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85 | extern "C" { |
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86 | forall(dtype T | is_thread(T)) |
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87 | void CtxInvokeThread(T * this); |
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88 | } |
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89 | |
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90 | extern void ThreadCtxSwitch(coroutine_desc * src, coroutine_desc * dst); |
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91 | |
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92 | #endif //KERNEL_PRIVATE_H |
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93 | |
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94 | // Local Variables: // |
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95 | // mode: c // |
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96 | // tab-width: 4 // |
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97 | // End: // |
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