New subject: Change in ...trusted-firmware-m[master]: Platform: Refine image flash layout

17 Dec 2021


      I'm working on the IAR part of this and I'm having a problem with the 
following test in isolation level 3:
---
Running Test Suite TFM IRQ Test (TFM_IRQ_TEST_1xxx)...
...
Executing 'TFM_NS_IRQ_TEST_SLIH_1001'
Description: 'SLIH HANDLING Case 1'
---
If I run the test at full speed, it will run into a MemManage fault 
while if I single step through the entire test it will pass.
Is there a race condition somewhere in there?
If I disable the SLIH tests it succeeds.
The exception happens when dereferencing "dev" in this function:
bool timer_cmsdk_is_initialized(const struct timer_cmsdk_dev_t* dev)
{
     return dev->data->is_initialized;
}
dev is 0x30002440 at the time.
I've been trying to figure out what part of the memory protection system 
it is that is causing the exception.
DACCVIOL is set and MMFAR shows the faulting address.
Ideas?
The build line:
cmake -GNinja -S .. -B . -DTFM_PLATFORM=arm/musca_b1/sse_200 
"-DTFM_TOOLCHAIN_FILE=..\toolchain_IARARM.cmake"  -DTEST_NS=ON 
-DTEST_S=ON -DCMAKE_BUILD_TYPE=Debug -DBL2=ON -DTFM_ISOLATION_LEVEL=3 
-DTEST_NS_SLIH_IRQ=ON -DTEST_NS_QCBOR=OFF
Notice that this build runs into a linker bug in the IAR toolchain and I 
have a non-released fixed version I'm using, in case anyone is 
attempting to replicate the issue.
Cheers,
Thomas
Den 2021-12-17 kl. 11:30, skrev TrustedFirmware Code Review (Code Review):
...
Attention is currently required from: Kevin Peng, Ken Liu, David Hu, 
Chris Brand, Anton Komlev, Thomas Törnblom.
"Build Successful
http://ci.trustedfirmware.org/job/tf-m-static/3226/display/redirect : 
SUCCESS"
Patch set 16:Verified +1
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https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/12620
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Gerrit-Project: TF-M/trusted-firmware-m
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-- 

*Thomas Törnblom*, /Product Engineer/
IAR Systems AB
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Re: [TF-M] Change in ...trusted-firmware-m[master]: Platform: Refine image flash layout

Description: 'SLIH HANDLING Case 1'