bootable image size 0

er_arpit_arora — Mon, 02 Nov 2020 14:19:03 GMT

Hello, I am facing an issue using the elftosb tool in Windows.

I want to generate a .bin bootable image (as a precursor to generating the sb file) using elftosb for the Hello World SDK demo project on MIMXRT1060-EVK.

From the flashloader documentation, I have tried executing the following command, but the size of output.bin is always 0.

elftosb -f imx -V -c imx-flexspinor-normal-unsigned.bd -o output.bin evkmimxrt1060_hello_world.elf

And here's the bd file I am using. It came with the flashloader release files.

Since this is a program file (and not flashloader), it needs to be loaded into Flash whose address is 0x60000000. Also NOR FlexSPI offset is 0x1000 according to the reference documentation.

I am using QSPI Flash.

options {
 flags = 0x00;
 startAddress = 0x60000000;
 ivtOffset = 0x1000;
 initialLoadSize = 0x2000;
 //DCDFilePath = "dcd.bin";
 # Note: This is required if the default entrypoint is not the Reset_Handler
 # Please set the entryPointAddress to the base address of vector table
 // entryPointAddress = 0x60002000;
}

sources {
 elfFile = extern(0);
}

section (0)
{
}

The .elf file (attached) was generating in MCUXpressor by changing the artifact extension from 'axf' to 'elf'.

What am I doing wrong here?

I am also attaching the evkmimxrt1060_hello_world.elf.

Re: bootable image size 0

jorge_a_vazquez — Wed, 06 Feb 2019 20:50:31 GMT

Hi Arpit Arora

This happens because the project already has a Boot header, you have to disable this with the Preprocessor symbol XIP_BOOT_HEADER_ENABLE in the project settings, please change it to 0.

Hope this helps

Best regards

Jorge Alcala

Re: bootable image size 0

er_arpit_arora — Wed, 06 Feb 2019 21:30:44 GMT

Thanks Jorge, that helped. I can see both output.bin and output_nopadding.bin being generated now.

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