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ipxe uefi x64 WimBoot [answered]
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2016-03-11, 16:00
(This post was last modified: 2016-03-15 16:25 by Fimlore.)
Post: #1
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 ipxe uefi x64 WimBoot [answered]
Hi iPxe,
I'm trying to boot to an x64 Windows 10 WIM image from ipxe. The script i'm using is as follows: Code: :wimbootThe iPXE menu happily starts loading all the files .. everything OK untill there The output I receive later is: Code: Command line: "wimboot"The files I'm using come from an official Windows 10 DVD and i'm a little illusive to why this does not work. --edit-- The WIM came from my existing WDS installation |
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2016-03-11, 17:16
Post: #2
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RE: ipxe uefi x64 WimBoot
Try adding -n BCD to The initrd line so it becomes
Initrd -n BCD http...bc BCD The -n is used to set the name in efi fs, while the BCD at the end is used in legacy. However the above is only a problem when the bootloader starts, i guess you have booted something else before since you have bootx64.efi loaded, try an imgfree before to let wimboot load it from wim. Use GitHub Discussions VRAM bin |
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2016-03-14, 15:12
Post: #3
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RE: ipxe uefi x64 WimBoot
(2016-03-11 16:00)Fimlore Wrote: The 0x8000000000000003 is the EFI firmware reporting an EFI_UNSUPPORTED error when being asked to load bootmgfw.efi. The most likely explanation is that you are trying to boot a 32-bit Windows on a 64-bit UEFI platform (which simply isn't supported). Michael |
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2016-03-14, 16:22
Post: #4
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RE: ipxe uefi x64 WimBoot
I'm using an ipxe.efi created with make bin-x86_x64-efi (or at least that version, I'm still horrible at remembering Linux commands since i'm a Windows developer starting to transit to Linux..), so the Efi should be fine (?)
The WIM is definitely a x64 version, so that can't be the issue; leaves me only with the BCD and sdi files, are those platform dependent? Thanks for the support so far, Alex |
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2016-03-14, 18:59
Post: #5
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2016-03-15, 15:22
(This post was last modified: 2016-03-15 15:38 by Fimlore.)
Post: #6
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RE: ipxe uefi x64 WimBoot
(2016-03-14 18:59)mcb30 Wrote:(2016-03-14 16:22)Fimlore Wrote: The WIM is definitely a x64 version, so that can't be the issue; leaves me only with the BCD and sdi files, are those platform dependent? I've extracted and uploaded it to mega: https://mega.nz/#!9YETFDSD!xR-9WgajnmMbw...U5dc7waq_I also, I've used the BCD and boot.sdi file from the original Microsoft DVD, but still receive the 0x80000000...03 error (2016-03-11 17:16)NiKiZe Wrote: Try adding -n BCD to The initrd line so it becomes sadly, changing the BCD line also did not help. To check, i also changes the sdi line but to no avail -- Then i tried using the bcd file generated by WDS; but still the BOOTx64.EFI error.. ---- I got it working using another PE Image. The non working PE image was created using MDT, this one is a slightly modified Windows ADK image. Are there known issues with MDT Images? |
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2016-03-15, 16:08
Post: #7
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RE: ipxe uefi x64 WimBoot
(2016-03-15 15:22)Fimlore Wrote:(2016-03-14 18:59)mcb30 Wrote:(2016-03-14 16:22)Fimlore Wrote: The WIM is definitely a x64 version, so that can't be the issue; leaves me only with the BCD and sdi files, are those platform dependent?Could you extract the file \Windows\Boot\EFI\bootmgfw.efi from your .wim image and post a copy of it somewhere? Thanks. That file is definitely a 32-bit UEFI executable: Code: [mcb30@squirrel ~]$ objdump -x ~/tmp/bootmgfw.efiFor reference, here's the equivalent for a 64-bit UEFI executable: Code: /vault/images/efi/x64/Shell.efi: file format pei-x86-64A 32-bit UEFI executable cannot be loaded on a 64-bit UEFI system. This fully explains the error that you were seeing. The question then becomes why would there be a 32-bit UEFI bootmgfw.efi in your apparently 64-bit WIM? I wonder if your toolchain is somehow including both 32-bit and 64-bit versions of bootmgfw.efi, and wimboot is erroneously picking up the 32-bit version. Could you post a full list of all *.efi files present within the problematic WIM? Thanks, Michael |
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2016-03-15, 16:23
Post: #8
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RE: ipxe uefi x64 WimBoot
(2016-03-15 16:08)mcb30 Wrote:(2016-03-15 15:22)Fimlore Wrote:(2016-03-14 18:59)mcb30 Wrote:(2016-03-14 16:22)Fimlore Wrote: The WIM is definitely a x64 version, so that can't be the issue; leaves me only with the BCD and sdi files, are those platform dependent?Could you extract the file \Windows\Boot\EFI\bootmgfw.efi from your .wim image and post a copy of it somewhere? ... I retraced my steps to find out where this went wrong. And i've found out where it went wrong. I extracted the x64 file from my WDS server and copied it over to my linux server.. This is where i made the big mistake.. instead of the x64 image, I took the export from the x86 folder. I was able to trace this back because my export folder didn't contain files in the x64 folder but did in the x86. That explains why my other images were able to boot. Thank you for your support Michael. Btw, what tool do you use to read the EFI files? |
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2016-03-17, 13:25
Post: #9
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RE: ipxe uefi x64 WimBoot [answered]
He used objdump, a utility part of the GCC toolchain.
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2020-10-02, 10:00
Post: #10
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RE: ipxe uefi x64 WimBoot [answered]
Hello,
only the file \Windows\Boot\EFI\bootmgfw.efi ? regards |
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