| 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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| 7 | // kernel_private.hfa --
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| 8 | //
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| 9 | // Author : Thierry Delisle
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| 10 | // Created On : Mon Feb 13 12:27:26 2017
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| 11 | // Last Modified By : Peter A. Buhr
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| 12 | // Last Modified On : Sat Nov 30 19:25:02 2019
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| 13 | // Update Count : 8
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| 14 | //
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| 15 |
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| 16 | #pragma once
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| 17 |
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| 18 | #include "kernel.hfa"
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| 19 | #include "thread.hfa"
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| 20 |
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| 21 | #include "alarm.hfa"
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| 22 |
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| 23 |
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| 24 | //-----------------------------------------------------------------------------
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| 25 | // Scheduler
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| 26 |
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| 27 | extern "C" {
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| 28 | void disable_interrupts() OPTIONAL_THREAD;
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| 29 | void enable_interrupts_noPoll();
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| 30 | void enable_interrupts( __cfaabi_dbg_ctx_param );
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| 31 | }
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| 32 |
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| 33 | void __schedule_thread( $thread * ) __attribute__((nonnull (1)));
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| 34 |
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| 35 | //Block current thread and release/wake-up the following resources
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| 36 | void __leave_thread() __attribute__((noreturn));
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| 37 |
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| 38 | //-----------------------------------------------------------------------------
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| 39 | // Processor
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| 40 | void main(processorCtx_t *);
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| 41 |
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| 42 | void * __create_pthread( pthread_t *, void * (*)(void *), void * );
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| 43 |
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| 44 |
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| 45 |
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| 46 | struct event_kernel_t {
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| 47 | alarm_list_t alarms;
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| 48 | __spinlock_t lock;
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| 49 | };
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| 50 |
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| 51 | extern event_kernel_t * event_kernel;
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| 52 |
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| 53 | struct __cfa_kernel_preemption_state_t {
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| 54 | bool enabled;
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| 55 | bool in_progress;
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| 56 | unsigned short disable_count;
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| 57 | };
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| 58 |
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| 59 | extern volatile thread_local __cfa_kernel_preemption_state_t preemption_state __attribute__ ((tls_model ( "initial-exec" )));
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| 60 |
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| 61 | //-----------------------------------------------------------------------------
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| 62 | // Threads
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| 63 | extern "C" {
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| 64 | void __cfactx_invoke_thread(void (*main)(void *), void * this);
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| 65 | }
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| 66 |
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| 67 | __cfaabi_dbg_debug_do(
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| 68 | extern void __cfaabi_dbg_thread_register ( $thread * thrd );
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| 69 | extern void __cfaabi_dbg_thread_unregister( $thread * thrd );
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| 70 | )
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| 71 |
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| 72 | // KERNEL ONLY unpark with out disabling interrupts
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| 73 | void __unpark( $thread * thrd __cfaabi_dbg_ctx_param2 );
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| 74 |
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| 75 | //-----------------------------------------------------------------------------
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| 76 | // I/O
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| 77 | void __kernel_io_startup ( cluster &, bool );
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| 78 | void __kernel_io_finish_start( cluster & );
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| 79 | void __kernel_io_prepare_stop( cluster & );
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| 80 | void __kernel_io_shutdown ( cluster &, bool );
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| 81 |
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| 82 | //-----------------------------------------------------------------------------
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| 83 | // Utils
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| 84 | #define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)]
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| 85 |
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| 86 | static inline uint32_t __tls_rand() {
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| 87 | kernelTLS.rand_seed ^= kernelTLS.rand_seed << 6;
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| 88 | kernelTLS.rand_seed ^= kernelTLS.rand_seed >> 21;
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| 89 | kernelTLS.rand_seed ^= kernelTLS.rand_seed << 7;
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| 90 | return kernelTLS.rand_seed;
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| 91 | }
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| 92 |
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| 93 |
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| 94 | void doregister( struct cluster & cltr );
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| 95 | void unregister( struct cluster & cltr );
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| 96 |
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| 97 | void doregister( struct cluster * cltr, struct $thread & thrd );
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| 98 | void unregister( struct cluster * cltr, struct $thread & thrd );
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| 99 |
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| 100 | void doregister( struct cluster * cltr, struct processor * proc );
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| 101 | void unregister( struct cluster * cltr, struct processor * proc );
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| 102 |
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| 103 | // Local Variables: //
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| 104 | // mode: c //
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| 105 | // tab-width: 4 //
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| 106 | // End: //
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