| 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_noPoll();
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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 | //Block current thread and release/wake-up the following resources
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| 48 | void BlockInternal(void);
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| 49 | void BlockInternal(spinlock * lock);
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| 50 | void BlockInternal(thread_desc * thrd);
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| 51 | void BlockInternal(spinlock * lock, thread_desc * thrd);
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| 52 | void BlockInternal(spinlock ** locks, unsigned short count);
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| 53 | void BlockInternal(spinlock ** locks, unsigned short count, thread_desc ** thrds, unsigned short thrd_count);
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| 54 | void LeaveThread(spinlock * lock, thread_desc * thrd);
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| 55 |
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| 56 | //-----------------------------------------------------------------------------
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| 57 | // Processor
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| 58 | coroutine processorCtx_t {
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| 59 | processor * proc;
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| 60 | };
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| 61 |
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| 62 | void main(processorCtx_t *);
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| 63 | void start(processor * this);
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| 64 | void runThread(processor * this, thread_desc * dst);
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| 65 | void finishRunning(processor * this);
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| 66 | void spin(processor * this, unsigned int * spin_count);
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| 67 |
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| 68 | struct event_kernel_t {
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| 69 | alarm_list_t alarms;
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| 70 | spinlock lock;
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| 71 | };
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| 72 |
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| 73 | extern event_kernel_t * event_kernel;
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| 74 |
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| 75 | extern thread_local coroutine_desc * volatile this_coroutine;
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| 76 | extern thread_local thread_desc * volatile this_thread;
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| 77 | extern thread_local processor * volatile this_processor;
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| 78 |
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| 79 | extern volatile thread_local bool preemption_in_progress;
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| 80 | extern volatile thread_local unsigned short disable_preempt_count;
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| 81 |
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| 82 | //-----------------------------------------------------------------------------
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| 83 | // Threads
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| 84 | extern "C" {
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| 85 | forall(dtype T | is_thread(T))
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| 86 | void CtxInvokeThread(T * this);
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| 87 | }
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| 88 |
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| 89 | extern void ThreadCtxSwitch(coroutine_desc * src, coroutine_desc * dst);
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| 90 |
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| 91 | //-----------------------------------------------------------------------------
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| 92 | // Utils
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| 93 | #define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)]
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| 94 |
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| 95 | #endif //KERNEL_PRIVATE_H
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| 96 |
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| 97 | // Local Variables: //
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| 98 | // mode: c //
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| 99 | // tab-width: 4 //
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| 100 | // End: //
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