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booting DBVM from a flash drive

 
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domkpat
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PostPosted: Fri Jul 21, 2023 4:39 am    Post subject: booting DBVM from a flash drive Reply with quote

I have a ryzen 5 5600x, gets to boot and stops there. How can I solve this problem?


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Dark Byte
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PostPosted: Fri Jul 21, 2023 5:58 am    Post subject: Reply with quote

compile dbvm uefi manually from the source. The download link has a bug for amd's
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domkpat
How do I cheat?
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PostPosted: Fri Jul 21, 2023 6:31 am    Post subject: Reply with quote

Dark Byte wrote:
compile dbvm uefi manually from the source. The download link has a bug for amd's

Do I need to compile only DBVM UEFI or also dbvm?
What software is used to do this? How to open .cproject and .project?
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Dark Byte
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PostPosted: Fri Jul 21, 2023 11:20 am    Post subject: Reply with quote

Linux enviuronment and eclipse with the CDT extension (c development environment), and the gnu efi library

I also recommend getting the latest vmdisk.img from CE (don't use the one in the video either, has the same AMD bug there)

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domkpat
How do I cheat?
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PostPosted: Sat Jul 22, 2023 12:37 pm    Post subject: Reply with quote

Dark Byte wrote:
Linux enviuronment and eclipse with the CDT extension (c development environment), and the gnu efi library

I also recommend getting the latest vmdisk.img from CE (don't use the one in the video either, has the same AMD bug there)

I compiled DBVMUEFI.EFI and vmdisk.img but now another error, did I compile on VMware or do I need to compile on real hardware?



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Dark Byte
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PostPosted: Sat Jul 22, 2023 1:29 pm    Post subject: Reply with quote

looks like I added some more non-amd compatible code.

See the line: UINT64 debugsilicon=readMSR(0xc80);

remove it, or replace it with 0. it's just some debug info I wanted to check but its only valid on Intel (there may be more of those)

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domkpat
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PostPosted: Sat Jul 22, 2023 2:10 pm    Post subject: Reply with quote

Dark Byte wrote:
looks like I added some more non-amd compatible code.

See the line: UINT64 debugsilicon=readMSR(0xc80);

remove it, or replace it with 0. it's just some debug info I wanted to check but its only valid on Intel (there may be more of those)

I commented out 2 lines because when compiling, it complained about the second one.

// UINT64 debugsilicon=readMSR(0xc80);

// Print(L"debugsilicon(0xc80)=%lx\n",debugsilicon);

I couldn't find any more lines like that



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Dark Byte
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PostPosted: Sat Jul 22, 2023 2:15 pm    Post subject: Reply with quote

Find
s=readMSR(0xc80);
Print(L"readMSR s=%x\n",s);

and remove it (as I said, there's more)

(Tip, just look where the debug output stops. It's usually around there)

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domkpat
How do I cheat?
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PostPosted: Sat Jul 22, 2023 2:36 pm    Post subject: Reply with quote

Dark Byte wrote:
Find
s=readMSR(0xc80);
Print(L"readMSR s=%x\n",s);

and remove it (as I said, there's more)

(Tip, just look where the debug output stops. It's usually around there)


Print(L"Reading msr 0x10:\n");
s=readMSR(0x10);

comment that out, too?



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