On Nov 19, 2013, at 2:54 AM, Bhupesh Sharma <bhupesh.sha...@freescale.com> 
wrote:

> Hi List,
> 
> I am experiencing a Data Abort inside function 'GetSectionFromAnyFv' in file 
> 'DxeServicesLib.c'
> on my ARMv7 UEFI platform.
> 
> To debug the same I added some print messages like:
> 
> /* Added for debugging */
>  CHAR8                         Buffer1[100];
>  UINTN                         CharCount;
>  CharCount = AsciiSPrint (Buffer1,sizeof (Buffer1),"Inside Func\n\r");
>  SerialPortWrite ((UINT8 *) Buffer1, CharCount);
> 
> 
> And also something like: 
>  SerialPrint ("Inside Func\n\r");
> 
> I have included:
> #include <Library/PrintLib.h>
> #include <Library/SerialPortLib.h>
> 
> and defined:
> 
> #define SerialPrint(txt)  SerialPortWrite ((UINT8*)(txt), AsciiStrLen(txt)+1);
> 
> I still cannot see any debug prints on the UART (placed right after the entry 
> point of 'GetSectionFromAnyFv' function).
> Debugger (DS-5) suggests that the crash is inside 'GetSectionFromAnyFv' 
> itself.
> 

You should source level debug your crash, and you SerailPrint() stack to see 
what is going on.

> I get the UEFI firmware <version xx built at xx on xx) and Data Abort 
> Exception PC at xx prints on the console, but
> no prints from 'DxeServicesLib.c'
> 
> Any pointers to what I may be missing here.
> 
> Regards,
> Bhupesh
> 
> 
> 
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