Re: Launching Image from Flash (PXA270)
From: Yannick Chamming's [eMVP] (ychammings_nospam_at_adeset.com)
Date: 10/11/04
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Date: Mon, 11 Oct 2004 08:31:44 +0200
in fact, it's up to you :
You can either have your nk.bin file get copied as is in flash, then
expanded in RAM by bootloader, and have it executed in RAM. In this case,
the process of loading from flash to RAM is the same as loading from
ethernet to RAM, except that you would take datas from flash instead of
ethernet.
You can also have your nk.nb0 located direcly in flash, and then, if your
flash allows code execution (as an example, NOR flash), have it directly
executed from flash, either through a jump from bloader, or even without a
bloader at all (if the flash is the boot flash).
-- ---------------------------------------------------------------- Yannick Chamming's (eMVP) ADESET Windows Embedded Manager ychammings AT adeset DOT com> http://www.adeset.com Tél : +33 (0)4.72.18.57.77 Fax : +33 (0)4.72.18.57.78 ---------------------------------------------------------------- "bucikas" <norvilis@charter.net> wrote in message news:7bd3c9cc.0410091634.6eb3c3c5@posting.google.com... > I am trying to figure out same problem. What exactly should I modify in my > Eboot.bib file? And then if bootloader jumps to flash base address where OS > image is located, does it mean the WinCE will execute from flash. Or will > it copy itself into RAM first? > Thanks. > > bucikas > > "Yannick Chamming's [eMVP]" <ychammings_nospam@adeset.com> wrote in message news:<uvyZmPDrEHA.1644@tk2msftngp13.phx.gbl>... > > You should also update your bootloader so that it would jump to your flash > > base address instead of trying loading the image from ethernet. > > > > -- > > ---------------------------------------------------------------- > > Yannick Chamming's (eMVP) > > ADESET > > Windows Embedded Manager > > ychammings AT adeset DOT com> > > http://www.adeset.com > > Tél : +33 (0)4.72.18.57.77 > > Fax : +33 (0)4.72.18.57.78 > > ---------------------------------------------------------------- > > > > "Courier" <Courier@discussions.microsoft.com> wrote in message > > news:255DE8D5-D5FC-4D20-A70D-41019515A81D@microsoft.com... > > > Good day! > > > > > > This is config.bib > > > MEMORY > > > ; Name Start Size Type > > > RSVD 80000000 000FF000 RESERVED > > > ARGS 800FF000 00001000 RESERVED > > > NK 80100000 03000000 RAMIMAGE > > > RAM 83100000 00F00000 RAM > > > > > > I want to run image directly from flash, without downloading it through > > > Ethernet. > > > If I add "ROMOFFSET=39A0000" to config.bib image successfully written in > > > flash but it doesn't start from there. Why? Because it designed to run > > from > > > 0x80100000? > > > So what should I do?
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