[coreboot] Maintain boot order for multiple EFI based OS
Martin Roth
gaumless at gmail.com
Fri Mar 24 16:43:14 CET 2017
As I recall, the rangeley FSP actually *REQUIRES* the mrc cache. Not
having it would be a definite problem.
Did you select "Use MRC Cache in FMAP"? If you did, that puts it
outside of cbfs, so it wouldn't show up in that list.
Are you working from upstream coreboot, or a tree from somewhere else?
Martin
On Fri, Mar 24, 2017 at 7:00 AM, <Sibi.Rajasekaran at dell.com> wrote:
> Dell - Internal Use - Confidential
>
> Hi Matt,
>
> Thanks for the prompt response.
>
> I am using Rangeley FSP in my coreboot environment and I don’t see mrc cache
> in the coreboot region even though I chose to use MRC Cache in the config.
>
> Performing operation on 'COREBOOT' region...
>
> Name Offset Type Size
>
> cbfs master header 0x0 cbfs header 32
>
> fallback/romstage 0x80 stage 27612
>
> cpu_microcode_blob.bin 0x6cc0 microcode 167936
>
> fallback/ramstage 0x2fd40 stage 121204
>
> config 0x4d700 raw 539
>
> revision 0x4d980 raw 588
>
> cmos_layout.bin 0x4dc40 cmos_layout 1320
>
> fallback/dsdt.aml 0x4e1c0 raw 8074
>
> fallback/payload 0x501c0 payload 648600
>
> img/memtest 0xee7c0 payload 180268
>
> (empty) 0x11a840 null 415320
>
> fsp.bin 0x17fec0 fsp 389120
>
> (empty) 0x1def00 null 132504
>
> bootblock 0x1ff4c0 bootblock 2560
>
>
>
> I had built the tianocore long before(may be 6 months back) and I am pretty
> sure I chose release payload.
>
>
>
> Thanks,
>
> Sibi
>
> From: Matt DeVillier [mailto:matt.devillier at gmail.com]
> Sent: Friday, March 24, 2017 2:23 PM
> To: Rajasekaran, Sibi <Sibi_Rajasekaran at Dell.com>
> Cc: Zoran Stojsavljevic <zoran.stojsavljevic at gmail.com>; coreboot
> <coreboot at coreboot.org>
> Subject: Re: [coreboot] Maintain boot order for multiple EFI based OS
>
>
>
>
>
>
>
> On Fri, Mar 24, 2017 at 6:26 PM, <Sibi.Rajasekaran at dell.com> wrote:
>
>
>
> For your question, takes around 26 seconds from power On till Tianocore
> execute completion. Looking at reducing this boot time.
>
>
>
>
>
> Sibi, if you're not using mrc cache for RAM training, that's likely
> contributing 10s or so at least. Have you enabled coreboot timestamps and
> used cbmem to examine time to payload execute? Also, building Tianocore in
> debug (vs release) mode adds a bit of time as well due to the volume of
> serial output. I use coreboot + Tianocore on Baytrail N28xx/29xx (though
> not with FSP) and normal boot (after RAM training) with a release payload is
> on the order of 2s, with coreboot taking about 6-700ms of that.
>
>
> --
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