Compiler: c66 Register corruption on linking PDK driver code...

wolfgang gaerber

Other Parts Discussed in Thread: AM5728

Tool/software: TI C/C++ Compiler

Hi !

Adding/using drivers from am5728 PDK - I experience that given parameters get corrupted on entering the drivercode - MCSPI_open or similar.

We are using latest PDK and c66 compiler 8.3.2.

Looking into the compiler manuals - corruption may occur if using trampolines and selfwritten assembly ....

What has to be kept in mind - libraries, linker settings if using PDK drivers ?

rgds..

Wolfgang

over 5 years ago

0 George Mock over 5 years ago

TI__Guru**** 253230 points

Regarding ...

wolfgang gaerber said:
Looking into the compiler manuals - corruption may occur if using trampolines and selfwritten assembly ....

... the only requirement is that you must use the register B15 for the SP (stack pointer). Since this system includes yet other C code, this requirement is already met.

Unfortunately, I cannot help with your other questions. I will bring this thread to the attention of other experts who can assist.

Thanks and regards,

-George

0 wolfgang gaerber over 5 years ago in reply to George Mock

Intellectual 615 points

Looks like I have overseen a stack problem some function calls before...

So maybe the rootcause is something different...

0 Stanley Liu over 5 years ago in reply to wolfgang gaerber

TI__Guru 50045 points

Please let us know if there is any more question.

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Compiler: c66 Register corruption on linking PDK driver code...