| 1 | //
|
|---|
| 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
|
|---|
| 3 | //
|
|---|
| 4 | // The contents of this file are covered under the licence agreement in the
|
|---|
| 5 | // file "LICENCE" distributed with Cforall.
|
|---|
| 6 | //
|
|---|
| 7 | // kernel_private.h --
|
|---|
| 8 | //
|
|---|
| 9 | // Author : Thierry Delisle
|
|---|
| 10 | // Created On : Mon Feb 13 12:27:26 2017
|
|---|
| 11 | // Last Modified By : Peter A. Buhr
|
|---|
| 12 | // Last Modified On : Sat Jul 22 09:58:09 2017
|
|---|
| 13 | // Update Count : 2
|
|---|
| 14 | //
|
|---|
| 15 |
|
|---|
| 16 | #pragma once
|
|---|
| 17 |
|
|---|
| 18 | #include "libhdr.h"
|
|---|
| 19 |
|
|---|
| 20 | #include "kernel"
|
|---|
| 21 | #include "thread"
|
|---|
| 22 |
|
|---|
| 23 | #include "alarm.h"
|
|---|
| 24 |
|
|---|
| 25 |
|
|---|
| 26 | //-----------------------------------------------------------------------------
|
|---|
| 27 | // Scheduler
|
|---|
| 28 |
|
|---|
| 29 | extern "C" {
|
|---|
| 30 | void disable_interrupts();
|
|---|
| 31 | void enable_interrupts_noPoll();
|
|---|
| 32 | void enable_interrupts( DEBUG_CTX_PARAM );
|
|---|
| 33 | }
|
|---|
| 34 |
|
|---|
| 35 | void ScheduleThread( thread_desc * );
|
|---|
| 36 | static inline void WakeThread( thread_desc * thrd ) {
|
|---|
| 37 | if( !thrd ) return;
|
|---|
| 38 |
|
|---|
| 39 | disable_interrupts();
|
|---|
| 40 | ScheduleThread( thrd );
|
|---|
| 41 | enable_interrupts( DEBUG_CTX );
|
|---|
| 42 | }
|
|---|
| 43 | thread_desc * nextThread(cluster * this);
|
|---|
| 44 |
|
|---|
| 45 | //Block current thread and release/wake-up the following resources
|
|---|
| 46 | void BlockInternal(void);
|
|---|
| 47 | void BlockInternal(spinlock * lock);
|
|---|
| 48 | void BlockInternal(thread_desc * thrd);
|
|---|
| 49 | void BlockInternal(spinlock * lock, thread_desc * thrd);
|
|---|
| 50 | void BlockInternal(spinlock ** locks, unsigned short count);
|
|---|
| 51 | void BlockInternal(spinlock ** locks, unsigned short count, thread_desc ** thrds, unsigned short thrd_count);
|
|---|
| 52 | void LeaveThread(spinlock * lock, thread_desc * thrd);
|
|---|
| 53 |
|
|---|
| 54 | //-----------------------------------------------------------------------------
|
|---|
| 55 | // Processor
|
|---|
| 56 | coroutine processorCtx_t {
|
|---|
| 57 | processor * proc;
|
|---|
| 58 | };
|
|---|
| 59 |
|
|---|
| 60 | void main(processorCtx_t *);
|
|---|
| 61 | void start(processor * this);
|
|---|
| 62 | void runThread(processor * this, thread_desc * dst);
|
|---|
| 63 | void finishRunning(processor * this);
|
|---|
| 64 | void spin(processor * this, unsigned int * spin_count);
|
|---|
| 65 |
|
|---|
| 66 | struct event_kernel_t {
|
|---|
| 67 | alarm_list_t alarms;
|
|---|
| 68 | spinlock lock;
|
|---|
| 69 | };
|
|---|
| 70 |
|
|---|
| 71 | extern event_kernel_t * event_kernel;
|
|---|
| 72 |
|
|---|
| 73 | extern thread_local coroutine_desc * volatile this_coroutine;
|
|---|
| 74 | extern thread_local thread_desc * volatile this_thread;
|
|---|
| 75 | extern thread_local processor * volatile this_processor;
|
|---|
| 76 |
|
|---|
| 77 | extern volatile thread_local bool preemption_in_progress;
|
|---|
| 78 | extern volatile thread_local unsigned short disable_preempt_count;
|
|---|
| 79 |
|
|---|
| 80 | //-----------------------------------------------------------------------------
|
|---|
| 81 | // Threads
|
|---|
| 82 | extern "C" {
|
|---|
| 83 | forall(dtype T | is_thread(T))
|
|---|
| 84 | void CtxInvokeThread(T * this);
|
|---|
| 85 | }
|
|---|
| 86 |
|
|---|
| 87 | extern void ThreadCtxSwitch(coroutine_desc * src, coroutine_desc * dst);
|
|---|
| 88 |
|
|---|
| 89 | //-----------------------------------------------------------------------------
|
|---|
| 90 | // Utils
|
|---|
| 91 | #define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)]
|
|---|
| 92 |
|
|---|
| 93 | // Local Variables: //
|
|---|
| 94 | // mode: c //
|
|---|
| 95 | // tab-width: 4 //
|
|---|
| 96 | // End: //
|
|---|
