On Fri, 2006-09-01 at 05:08, Kanwal Preet Singh CHANANA wrote:
> Hi all,
>
> I am porting my project from ADS to GCC_ARM v4.0.3. I have been able to
> compile & Link my source files with GCC-ARM. The image (running in Flash)
> crashes on target. The reason for crash is wrong pointer allocation.
>
> I have used a pointer to a structure as shown below:
>
> typedef volatile struct UARTInfoTag
> {
> void (*rxInt_p) (void);
> void (*txComplete_p) (void);
> tUartLineStatusCallbackFunc lineStatusInt_p;
> tBool NewRxData;
> tBool IsTransmitting;
> } UARTInfo;
>
> #define NUMBER_OF_UARTS 2
>
> UARTInfo UARTCallBack[NUMBER_OF_UARTS];
> UARTInfo *pUARTInfo = &UARTCallBack[0];
>
> UARTCallBack is located in RAM with &UARTCallBack[0]=0x000033C8, but
> pUARTInfo contains the value 0x4B1D1BCA & pUARTInfo is located in RAM at
> address 0x00001FCA.
>
^^^^^^^^^^^
here's your problem. This isn't a 32-bit aligned address, so attempts
to deference it as an aligned address will fail.
Are you sure your scatter file is correctly aligning your rw and zi
sections correctly?
R.
