[75f3522] | 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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[73abe95] | 7 | // kernel_private.hfa -- |
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[75f3522] | 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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[6b0b624] | 11 | // Last Modified By : Peter A. Buhr |
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[1805b1b] | 12 | // Last Modified On : Sat Nov 30 19:25:02 2019 |
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| 13 | // Update Count : 8 |
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[75f3522] | 14 | // |
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| 15 | |
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[6b0b624] | 16 | #pragma once |
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[75f3522] | 17 | |
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[58b6d1b] | 18 | #include "kernel.hfa" |
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| 19 | #include "thread.hfa" |
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[75f3522] | 20 | |
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[73abe95] | 21 | #include "alarm.hfa" |
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[fa21ac9] | 22 | |
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[4aa2fb2] | 23 | |
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[75f3522] | 24 | //----------------------------------------------------------------------------- |
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| 25 | // Scheduler |
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[1c273d0] | 26 | |
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| 27 | extern "C" { |
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[2026bb6] | 28 | void disable_interrupts() OPTIONAL_THREAD; |
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[969b3fe] | 29 | void enable_interrupts_noPoll(); |
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[36982fc] | 30 | void enable_interrupts( __cfaabi_dbg_ctx_param ); |
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[1c273d0] | 31 | } |
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| 32 | |
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[ac2b598] | 33 | void __schedule_thread( $thread * ) __attribute__((nonnull (1))); |
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[75f3522] | 34 | |
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[e60e0dc] | 35 | //Block current thread and release/wake-up the following resources |
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[b0c7419] | 36 | void __leave_thread() __attribute__((noreturn)); |
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[db6f06a] | 37 | |
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[75f3522] | 38 | //----------------------------------------------------------------------------- |
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| 39 | // Processor |
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| 40 | void main(processorCtx_t *); |
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[85b1deb] | 41 | |
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[8c50aed] | 42 | void * __create_pthread( pthread_t *, void * (*)(void *), void * ); |
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[1805b1b] | 43 | |
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[85b1deb] | 44 | static inline void wake_fast(processor * this) { |
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| 45 | __cfaabi_dbg_print_safe("Kernel : Waking up processor %p\n", this); |
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| 46 | post( this->idleLock ); |
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| 47 | } |
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| 48 | |
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| 49 | static inline void wake(processor * this) { |
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| 50 | disable_interrupts(); |
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| 51 | wake_fast(this); |
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| 52 | enable_interrupts( __cfaabi_dbg_ctx ); |
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| 53 | } |
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[75f3522] | 54 | |
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[e60e0dc] | 55 | struct event_kernel_t { |
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[fa21ac9] | 56 | alarm_list_t alarms; |
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[ea7d2b0] | 57 | __spinlock_t lock; |
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[fa21ac9] | 58 | }; |
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| 59 | |
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[e60e0dc] | 60 | extern event_kernel_t * event_kernel; |
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| 61 | |
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[d8548e2] | 62 | struct __cfa_kernel_preemption_state_t { |
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[b69ea6b] | 63 | bool enabled; |
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| 64 | bool in_progress; |
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| 65 | unsigned short disable_count; |
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| 66 | }; |
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| 67 | |
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[afc2427] | 68 | extern volatile thread_local __cfa_kernel_preemption_state_t preemption_state __attribute__ ((tls_model ( "initial-exec" ))); |
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[c81ebf9] | 69 | |
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[75f3522] | 70 | //----------------------------------------------------------------------------- |
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| 71 | // Threads |
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| 72 | extern "C" { |
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[c7a900a] | 73 | void __cfactx_invoke_thread(void (*main)(void *), void * this); |
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[75f3522] | 74 | } |
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| 75 | |
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[f7d6bb0] | 76 | __cfaabi_dbg_debug_do( |
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[ac2b598] | 77 | extern void __cfaabi_dbg_thread_register ( $thread * thrd ); |
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| 78 | extern void __cfaabi_dbg_thread_unregister( $thread * thrd ); |
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[f7d6bb0] | 79 | ) |
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| 80 | |
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[969b3fe] | 81 | //----------------------------------------------------------------------------- |
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| 82 | // Utils |
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| 83 | #define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)] |
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| 84 | |
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[8c50aed] | 85 | static inline uint32_t __tls_rand() { |
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[21184e3] | 86 | kernelTLS.rand_seed ^= kernelTLS.rand_seed << 6; |
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| 87 | kernelTLS.rand_seed ^= kernelTLS.rand_seed >> 21; |
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| 88 | kernelTLS.rand_seed ^= kernelTLS.rand_seed << 7; |
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| 89 | return kernelTLS.rand_seed; |
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| 90 | } |
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| 91 | |
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[de94a60] | 92 | |
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[a1a17a74] | 93 | void doregister( struct cluster & cltr ); |
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| 94 | void unregister( struct cluster & cltr ); |
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[de94a60] | 95 | |
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[ac2b598] | 96 | void doregister( struct cluster * cltr, struct $thread & thrd ); |
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| 97 | void unregister( struct cluster * cltr, struct $thread & thrd ); |
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[de94a60] | 98 | |
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| 99 | void doregister( struct cluster * cltr, struct processor * proc ); |
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| 100 | void unregister( struct cluster * cltr, struct processor * proc ); |
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| 101 | |
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[75f3522] | 102 | // Local Variables: // |
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| 103 | // mode: c // |
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| 104 | // tab-width: 4 // |
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[4aa2fb2] | 105 | // End: // |
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