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Re: redboot on IXDP425


On Tuesday 11 January 2005 19:39, Nickolay wrote:
> Mark Salter wrote:
> >On Tue, 2005-01-11 at 09:31 -0700, Gary Thomas wrote:
> >>On Tue, 2005-01-11 at 17:13 +0100, jerzy dyrda wrote:
> >>>On Tuesday 11 January 2005 16:55, Mark Salter wrote:
> >>>>On Tue, 2005-01-11 at 18:47 +0300, Nickolay wrote:
> >>>>>Mark Salter wrote:
> >>>>>>On Tue, 2005-01-11 at 18:17 +0300, Nickolay wrote:
> >>>>>>>Hello Guys!
> >>>>>>>
> >>>>>>>Anyone know, how i can install redboot on IXDP425 target?
> >>>>>>>I has vxWorks bootloader installed, and i need rewrite them or boot
> >>>>>>>redboot on them.
> >>>>>>
> >>>>>>The flash is socketed on the IXDP425, so you can use a device
> >>>>>>programmer. The alternative is to use a jtag based flash
> >>>>>>programmer.
> >>>>>>
> >>>>>>--Mark
> >>>>>
> >>>>>That's true!
> >>>>>But maybe anyone know how load redboot via vxworks bootloader?
> >>>>>Can i use redboot.bin for this purpose, or redboot.bin is for upgrade
> >>>>>redboot from redboot the self?
> >>>>
> >>>>redboot.bin is just a raw binary image. It needs to get programmed
> >>>>to the start of flash. I'm not sure about the vxworks bootloader
> >>>>capabilities.
> >>>>
> >>>>--Mark
> >>>
> >>>Hello
> >>>
> >>>I heard from vxWorks guys - it isn't possibility to write image by
> >>> vxWorks bootloader and this bootloader don't configure hardware e.g PCI
> >>> - Do you have other loader?
> >>
> >>Why not use the VxWorks loader to load a RAM version of RedBoot
> >>(from ELF).  Then use that to load & program the FLASH (ROM) version.
> >>
> >>Mark - should this work? [it certainly does for most platforms]
> >
> >I'm not sure. VxWorks may use a different mmu mapping than RedBoot.
> >
> >--Mark
>
> Hmm... but we talk about vxWorks loader, not vxWorks operation system.
> And i think that vxWorks loader doesn't use MMU?


Hi again,

Probably , this is only suppose because it isn't all sources for vxWorks, 
loader use MMU with translation one to one (virtual to  physical). You can 
use loader's option copy and go.

Best Regards,
jerzy 








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