FreeRTOS-Kernel/FreeRTOS/Test/CBMC/proofs/Task/TaskSwitchContext
Yuhui Zheng 8156f64d1c Copying CBMC proofs from aws/amazon-freertos repo ./tools/cbmc to this repo ./FreeRTOS/Test/CBMC as is.
The commit ID in aws/amazon-freertos is 0c8e0217f2a43bdeb364b58ae01c6c259e03ef1b.
2020-03-31 14:21:53 -07:00
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Makefile.json Copying CBMC proofs from aws/amazon-freertos repo ./tools/cbmc to this repo ./FreeRTOS/Test/CBMC as is. 2020-03-31 14:21:53 -07:00
README.md Copying CBMC proofs from aws/amazon-freertos repo ./tools/cbmc to this repo ./FreeRTOS/Test/CBMC as is. 2020-03-31 14:21:53 -07:00
tasks_test_access_functions.h Copying CBMC proofs from aws/amazon-freertos repo ./tools/cbmc to this repo ./FreeRTOS/Test/CBMC as is. 2020-03-31 14:21:53 -07:00
TaskSwitchContext_harness.c Copying CBMC proofs from aws/amazon-freertos repo ./tools/cbmc to this repo ./FreeRTOS/Test/CBMC as is. 2020-03-31 14:21:53 -07:00

This proof demonstrates the memory safety of the TaskSwitchContext function. We assume task ready lists to be initialized and filled with one element each, and pxCurrentTCB to be the highest priority task. We also set uxSchedulerSuspended to a nondeterministic value.

This proof is a work-in-progress. Proof assumptions are described in the harness. The proof also assumes the following functions are memory safe and have no side effects relevant to the memory safety of this function:

  • prvTraceGetCurrentTaskHandle
  • prvTraceGetTaskNumber
  • prvTraceStoreTaskswitch
  • ulGetRunTimeCounterValue