| 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 bool preemption_in_progress; |
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| 82 | extern volatile thread_local unsigned short disable_preempt_count; |
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| 83 | |
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| 84 | //----------------------------------------------------------------------------- |
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| 85 | // Threads |
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| 86 | extern "C" { |
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| 87 | forall(dtype T | is_thread(T)) |
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| 88 | void CtxInvokeThread(T * this); |
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| 89 | } |
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| 90 | |
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| 91 | extern void ThreadCtxSwitch(coroutine_desc * src, coroutine_desc * dst); |
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| 92 | |
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| 93 | #endif //KERNEL_PRIVATE_H |
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| 94 | |
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| 95 | // Local Variables: // |
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| 96 | // mode: c // |
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| 97 | // tab-width: 4 // |
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| 98 | // End: // |
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