startup file modification to add image header

[Bhavin_Dhulkotiya]

Hi all,

My original image starts from location 0x00002000. I want to add image header data(Highlighted in a rectangle) at a 0x00002100 location in flash so I have added it in the g_pfnVectors section in the startup_lpc804.c file. By adding it I got a warning as shown in the below image.

1. How to remove this warning?
2. What should be the proper way to add the header data 0x00002100?

[Alice_Yang · Accepted solution]

Hello bhavind,

This is not very easy for MCUXpresso, please refer to my below steps, I place the image header at 0x100, the same for 0x2100.

I attached the steps as picture, also the project, you can refer to.

BR

Alice

[Bhavin_Dhulkotiya]

Thank you! @Alice_Yang 

Is there any way to add this header in the startup.c file instead of using modified .ld file?

[Alice_Yang]

Hello bhavind,

As far as I know, there isn't .

BR

Alice

[Bhavin_Dhulkotiya]

Thank you @Alice_Yang for confirmation.

[Alice_Yang]

Hello bhavind,

If your project start from 0x00002000, I don't think you can add anything in 0x00002100, because

it over write vector table, you can see .map file the real memory used:

And there is no image header in LPC804 boot flow, why did you want to add it ?

BR

Alice

[Bhavin_Dhulkotiya]

Hi @Alice_Yang 

We want to add the header for the Secondary Bootloader. And we want to add it at the 0x00002100 location.

Thanks.

[Alice_Yang]

Hello ,

Do you mean Secondary bootloader use memory 0x0000 to 0x1FFF,

application start from 0x2000.  Add image header into secondary bootloader project?

If yes, the two projects use overlapping address.

BR

Alice

[Bhavin_Dhulkotiya]

@Alice_Yang 

We want to implement as shown below image on LPC804. Please find the reference document here. 

Now I want to add a header at 0x00002100.

Thanks.