Tobias Reinhard
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00bb9d4a17
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Verified runtime assertion that running task is either scheduled or yielding.
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2022-12-04 11:54:07 -05:00 |
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Tobias Reinhard
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fbf4ba981f
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Added lemmas to update read permissions for unscheduled tasks after new task has been started.
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2022-12-04 10:19:48 -05:00 |
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Tobias Reinhard
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6a0b2116fe
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Added lemmas to define updated state lists and reason locally about results. Local reasoning necessary to avoid auto-lemma application loops.
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2022-12-04 09:17:13 -05:00 |
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Tobias Reinhard
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e403e8bc74
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Added lemma to update the read permissions for unscheduled tasks after a task has been stopped.
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2022-12-03 18:05:15 -05:00 |
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Tobias Reinhard
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0df45b465e
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Added lemmas that allow updating the lock invariant after a state update.
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2022-12-03 14:54:26 -05:00 |
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Tobias Reinhard
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dda2dbda6f
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Added states list to lock invariant.
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2022-12-03 10:04:04 -05:00 |
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Tobias Reinhard
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e4db1f8aba
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Refined lock invariant to only give read permission to all tasks and write permission to locally scheduled task
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2022-12-03 08:58:19 -05:00 |
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Tobias Reinhard
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1919f8142f
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Deleted deprecated lemmas and predicates.
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2022-12-02 15:07:43 -05:00 |
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Tobias Reinhard
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b44eb855d9
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Deleted deprecated predicate and lemmas.
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2022-12-02 15:05:20 -05:00 |
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Tobias Reinhard
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df780a1823
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Introduced list of flat list of tasks in lock invariant. Simplifies access to sharedSeg_TCB_p chunks.
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2022-12-02 14:59:06 -05:00 |
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Tobias Reinhard
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fe5612cf4f
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Extended lock invariants to justify safe access to ready tasks as well as scheduled task.
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2022-11-30 15:52:00 -05:00 |
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Tobias Reinhard
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78de786d89
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Expanded lock invariant to give us access to shared segments of all ready TCBs.
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2022-11-30 11:05:06 -05:00 |
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Tobias Reinhard
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e800ebd293
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Exposed node owners in all predicates related to nodes. Adapted proofs to new predicates.
Changed predicates:
- `xLIST_ITEM`
- `DLS`
- `xLIST`
- `readyLists_p`
- `List_array_p`
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2022-11-30 09:44:25 -05:00 |
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Tobias Reinhard
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22dc5c1287
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Added proof idea and TODOs. Need to refactor single-core list predicates.
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2022-11-29 13:53:53 -05:00 |
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Tobias Reinhard
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e8b8234416
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Renamed predicates to comply with naming conventions
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2022-11-29 09:47:50 -05:00 |
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Tobias Reinhard
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014acb9a00
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Refactored lock predicates to improve readability.
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2022-11-29 09:37:23 -05:00 |
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Tobias Reinhard
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5cf8b4ed1c
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Added shared global variable xSchedulerRunning to task-isr lock invariant.
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2022-11-21 08:06:19 -05:00 |
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Tobias Reinhard
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f5c0a64f86
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Made isr lock predicate abstract.
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2022-11-18 14:31:37 -05:00 |
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Tobias Reinhard
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6dcaef48d6
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Added loop invariant to main search loop in prvSelectHighestPriorityTask.
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2022-11-17 14:24:44 -05:00 |
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Tobias Reinhard
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4eb2fa573e
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Wrote contracts for lock release operations.
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2022-11-16 14:18:03 -05:00 |
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Tobias Reinhard
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54523ecdce
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Included global variables pxCurrentTCBs and pxYieldingPendings in interrupt invariant.
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2022-11-16 13:53:22 -05:00 |
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Tobias Reinhard
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d63a8f83cd
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Renamed predicate encapsulating access permissions to core local variables to coreLocalInterruptInv_p.
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2022-11-16 11:31:12 -05:00 |
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Tobias Reinhard
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327423ef67
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TCB of currently scheduled task on core C is interrupt protected on core C. Updated invariants to reflect that.
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2022-11-16 11:25:37 -05:00 |
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Tobias Reinhard
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360afe4374
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Cleaned up lock predicate header.
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2022-11-16 10:37:12 -05:00 |
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Tobias Reinhard
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d95976ebe5
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Added info about available tasks to lock predicate.
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2022-11-16 10:28:31 -05:00 |
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Tobias Reinhard
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d746a27233
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Added missing task-ISR lock invariant to post condition of acquision lemma.
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2022-11-11 15:07:01 -05:00 |
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Tobias Reinhard
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29e14be203
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Verified minimal contract for xTaskGetCurrentTaskHandle.
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2022-11-10 14:36:04 -05:00 |
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Tobias Reinhard
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7e75d7aa8f
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Refined lock predicates and contracts for lock macros to match expected locking discipline.
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2022-11-10 12:50:48 -05:00 |
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Tobias Reinhard
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91eb6eefaa
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Included reference to core ID in interrupt predicates and added distinction between global and core local variables.
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2022-11-07 14:21:42 -05:00 |
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Tobias Reinhard
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25dda73ef9
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Started to define predicates encapsulating access permissions to global variables.
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2022-11-04 14:22:11 -04:00 |
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Tobias Reinhard
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94e0f21574
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Added rewrite to remove const qualifiers from pointers.
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2022-11-04 11:15:15 -04:00 |
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