How can I run RTEMS kernel from SDRAM on TMDX570LC43 HDK?

[Y. HB]

Is it as easy as "set $pc=0xYYYYYY; continue"  in GDB console ?

On Wed, Aug 17, 2022 at 4:39 PM Y. HB <sprhawk at gmail.com> wrote:

> Hello,
>
> About two weeks ago, I worked in running RTEMS (5.1) on TMS570LC43
> Launchxl, and it booted and print via uart.
>
> But when I tried to build CFS on RTEMS, it failed due to not enough
> memory, so I bought a TMDX570LC43 HDK with 8MB sdram on it.
>
> As indicated in https://devel.rtems.org/wiki/TBR/BSP/Tms570, due to Flash
> has limited erase cycles, it is recommended to run program in SDRAM during
> debug and tests.
>
> I have seen SDRAM_SCI_configuration, there is no special code to jump to
> RTEMS startup code. In the main(), it is merly setup SCI and EMIF, then
> forever loop.
>
> So if I want to run RTEMS in SDRAM after initialization after HALCoGen,
> how should I start it ? use some GDB command or write a jump/branch
> instruction before "forever loop" in main()?
>
> Thanks
>
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