Tobias Reinhard
0e84d8906f
Updated stack depth requirements in preconditions to match precondition of pxPortInitialiseStack
2022-11-02 14:16:29 -04:00
Tobias Reinhard
249d220ed7
Verified pxPortInitialiseStack for new version of stack predicate.
2022-11-02 14:02:42 -04:00
Tobias Reinhard
f793c96031
Adapted part of pxPortInitialiseStack proof to new stack predicate.
2022-11-02 12:09:15 -04:00
Tobias Reinhard
800a7204bc
Adapted first half of prvInitialiseNewTask to new stack predicate.
2022-11-01 16:06:53 -04:00
Tobias Reinhard
af090b252d
Added new stack predicate that reflects the forced alignment of the stack pointer.
2022-11-01 15:24:42 -04:00
Tobias Reinhard
ead381f413
Verified alignment check of stack top pointer.
2022-10-28 13:59:45 -04:00
Tobias Reinhard
06b924d818
Verified alignment properties of stack top pointer.
2022-10-28 13:24:01 -04:00
Tobias Reinhard
551d1da628
Renamed TCB_p predicate into uninit_TCB_p.
2022-10-27 12:58:18 -04:00
Tobias Reinhard
e238d791ab
Moved stack predicate and lemmas to separate header.
2022-10-27 12:51:24 -04:00
Tobias Reinhard
2bcdc31ff8
Deleted deprecated version of pointer size axiom.
2022-10-27 12:45:38 -04:00
Tobias Reinhard
2b82220cec
Refined stack predicate, validated it and verified pxPortInitialiseStack impl from RP2040 port.
2022-10-27 12:43:10 -04:00
Tobias Reinhard
b5f0b2f74d
Added snippet from RP2040 port.c to verification code base to allow verification of contract from portable.h
2022-10-26 10:08:29 -04:00
Tobias Reinhard
8bb4f13ae5
Introduced new type-safe macro for unsigned pdFALSE and pdTRUE.
2022-10-26 09:14:11 -04:00
Tobias Reinhard
a78bc21b26
Simplified proof state in prvInitialiseNewTask.
2022-10-26 08:11:47 -04:00
Tobias Reinhard
40931d229d
Justified memset of TCB fields in prvInitialiseNewTask.
...
Fields: `pxNewTCB->ucNotifyState` and `pxNewTCB->ulNotifiedValue`
2022-10-25 16:56:28 -04:00
Tobias Reinhard
8a8f0ab9b1
Proved memory safety of name-writing loop in prvInitialiseNewTask.
2022-10-25 14:57:26 -04:00
Tobias Reinhard
82be7cb23a
Temporarily eliminated runtime assertion.
2022-10-25 14:40:50 -04:00
Tobias Reinhard
8b958c7834
Axiomatized knowledge about RP2040 architecture and added tmp workaround for over/underflows.
2022-10-25 14:34:01 -04:00
Tobias Reinhard
06bc0fbb2d
Resolved VF reporting type errors for memset call and disproved some overflows and underflows.
2022-10-25 13:58:06 -04:00
Tobias Reinhard
1042ea8cf8
Refined task control block predicate TCB_p such that it can be used to justify memset-ing the stack.
2022-10-25 13:22:10 -04:00
Tobias Reinhard
80134a65ed
VeriFast cannot handle casts of side-effectful expressions.
2022-10-25 12:49:33 -04:00
Tobias Reinhard
5a7916bff0
Added predicates to reason about TCB_t and substructures.
2022-10-24 16:17:41 -04:00
Tobias Reinhard
f1a0170309
Initialized memory safety proof for xTaskCreate.
2022-10-24 12:29:55 -04:00
Tobias Reinhard
32480e74c4
Resolved VF errors
...
- VeriFast does not support nested union definitions. Removed those temporarily.
- VeriFast does not support duplicate function prototypes. Prevented include of unguarded system header file.
2022-10-22 16:30:03 -04:00
Tobias Reinhard
47e6fa7398
Resolved VF parse errors: const pointers.
2022-10-22 14:02:04 -04:00
Tobias Reinhard
663ea1fb77
Resolved VF parse errors.
...
- const pointers
- inline assembler
- statements blocks consisting of multiple elements used in expression contexts, e.g., `({e1 e2;})`
- multiple pointer declarations to user-defined types in single line, i.e., `A *p1, *p2;`
2022-10-22 13:52:12 -04:00
Tobias Reinhard
55cfee8798
Resolved VF parse error: VF does not support const pointers.
2022-10-22 13:28:40 -04:00
Tobias Reinhard
785723ff45
Replaced asm macros by failing assertion.
2022-10-22 13:25:53 -04:00
Tobias Reinhard
342ab6463c
Resolved VF parse error: VF does not support const pointers.
2022-10-22 13:00:58 -04:00
Tobias Reinhard
eeae596776
Replaced asm macro by failing assertion.
2022-10-22 12:39:54 -04:00
Tobias Reinhard
75fa197ac9
Fixed include paths to submodules in preprocessing script.
2022-10-22 12:01:17 -04:00
Tobias Reinhard
ea00b82275
Simplified paths in preprocessing script
2022-10-22 11:56:03 -04:00
Tobias Reinhard
83d8831729
Updated include paths in preprocessing script to ensure that only direct submodules as referenced.
2022-10-22 11:05:09 -04:00
Tobias Reinhard
81bb9d6b1b
Delete inline directives
2022-10-21 12:31:19 -04:00
Tobias Reinhard
6af1321b43
VF rewrite: Delete attributes.
2022-10-21 12:27:58 -04:00
Tobias Reinhard
da0c8ffb76
Replaced problematic system headers by VeriFast headers.
2022-10-21 11:44:53 -04:00
Tobias Reinhard
dfce64bd18
Dump preprocessed tasks.c file.
2022-10-21 11:18:28 -04:00
Tobias Reinhard
8ca47345d4
Added script to rewrite preprocessed source file into a format VeriFast understands.
2022-10-14 16:19:50 -04:00
Tobias Reinhard
24130f5334
Added VF startup script for preprocessed tasks.c.
...
The script preprocesses task.c according to the RP2040 configuration and launches verifast.
2022-10-14 13:37:30 -04:00
