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samples: mpu_stack_guard_test: Update console output in README

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The fault dump text has changed since this sample was originally
written, so update the README accordingly.

Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
This commit is contained in:
Maureen Helm 2018-08-24 14:38:15 -05:00 • committed by Anas Nashif
commit 42c5d519b1
1 changed files with 26 additions and 27 deletions
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53
samples/mpu/mpu_stack_guard_test/README.rst
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@ -22,7 +22,7 @@ To build the test with the MPU disabled:
.. zephyr-app-commands::
:zephyr-app: samples/mpu/mpu_stack_guard_test
:board: v2m_beetle
:board: frdm_k64f
:goals: build flash
:compact:
@ -30,7 +30,7 @@ To build the test with the MPU enabled and the stack guard feature present:
.. zephyr-app-commands::
:zephyr-app: samples/mpu/mpu_stack_guard_test
:board: v2m_beetle
:board: frdm_k64f
:conf: prj_stack_guard.conf
:goals: build flash
:compact:
@ -42,36 +42,35 @@ With the MPU enabled but the stack guard feature disabled:
.. code-block:: console
***** BOOTING ZEPHYR OS v1.8.99 - BUILD: Jun 15 2017 23:12:13 *****
STACK_ALIGN 4
***** Booting Zephyr OS v1.13.0-rc1-14-gd47fada *****
STACK_ALIGN 0x8
MPU STACK GUARD Test
Canary Initial Value = 0xf0cacc1a threads 0x20000b9c
Canary = 0xfffffff5 Test not passed.
***** MPU FAULT *****
Executing thread ID (thread): 0x20000b9c
Faulting instruction address: 0x80025b0
Data Access Violation
Address: 0x8000edb
Fatal fault in thread 0x20000b9c! Aborting.
***** HARD FAULT *****
Fault escalation (see below)
***** MPU FAULT *****
Executing thread ID (thread): 0x20000b9c
Faulting instruction address: 0x8001db6
Data Access Violation
Address: 0x8000edb
Fatal fault in ISR! Spinning...
Canary Initial Value = 0xf0cacc1a threads 0x20000ff8
Canary = 0x20000128 Test not passed.
***** BUS FAULT *****
Instruction bus error
NXP MPU error, port 3
Mode: Supervisor, Instruction Address: 0x20001030
Type: Read, Master: 0, Regions: 0x8800
***** Hardware exception *****
Current thread ID = 0x20000ff8
Faulting instruction address = 0x20001030
Fatal fault in essential thread! Spinning...
With the MPU enabled and the stack guard feature enabled:
.. code-block:: console
***** BOOTING ZEPHYR OS v1.8.99 - BUILD: Jun 15 2017 23:05:56 *****
STACK_ALIGN 20
***** Booting Zephyr OS v1.13.0-rc1-14-gd47fada *****
STACK_ALIGN 0x20
MPU STACK GUARD Test
Canary Initial Value = 0xf0cacc1a threads 0x20000be0
***** MPU FAULT *****
Executing thread ID (thread): 0x20000be0
Faulting instruction address: 0x8001dc2
Canary Initial Value = 0xf0cacc1a threads 0x20001100
***** BUS FAULT *****
Stacking error
Fatal fault in thread 0x20000be0! Aborting.
NXP MPU error, port 3
Mode: Supervisor, Data Address: 0x200011b0
Type: Write, Master: 0, Regions: 0x8400
***** Hardware exception *****
Current thread ID = 0x20001100
Faulting instruction address = 0x0
Fatal fault in thread 0x20001100! Aborting.