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From: Zixuan Wang <zxwang42@gmail.com>
To: Andrew Jones <drjones@redhat.com>
Cc: kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
	Marc Orr <marcorr@google.com>,
	"Hyunwook (Wooky) Baek" <baekhw@google.com>,
	Tom Roeder <tmroeder@google.com>,
	erdemaktas@google.com, rientjes@google.com, seanjc@google.com,
	brijesh.singh@amd.com, Thomas.Lendacky@amd.com,
	varad.gautam@suse.com, jroedel@suse.de, bp@suse.de
Subject: Re: [kvm-unit-tests PATCH v2 03/17] x86 UEFI: Copy code from GNU-EFI
Date: Mon, 4 Oct 2021 15:09:23 -0700	[thread overview]
Message-ID: <CAEDJ5ZR63OzHG+_Yz5vNxSUYUwUAqsMgfz9TJnUnENiVTZa01Q@mail.gmail.com> (raw)
In-Reply-To: <20211004124411.nqikc4wyvpal73sh@gator>

On Mon, Oct 4, 2021 at 5:46 AM Andrew Jones <drjones@redhat.com> wrote:
>
> On Fri, Aug 27, 2021 at 03:12:08AM +0000, Zixuan Wang wrote:
> > +More details can be found in `GNU-EFI/README.gnuefi`, section "Building
> > +Relocatable Binaries".
> > +
> > +KVM-Unit-Tests follows a similar build process, but does not link with GNU-EFI
> > +library.
>
> So, for AArch64, I also want to drop the gnu-efi dependency of my original
> PoC. My second PoC, which I haven't finished, took things a bit further
> than this does, though. I was integrating a PE/COFF header and linker
> script changes directly into the kvm-unit-tests code rather than copying
> these files over.
>
> Thanks,
> drew
>

This approach sounds really interesting. Is there a public repo for
this new PoC?

I think the self-relocation code is the most important one in this
patch. If we can avoid or rewrite the self-relocation process, then we
can pretty much avoid copying GNU-EFI files.

Best regards,
Zixuan

  reply	other threads:[~2021-10-04 22:10 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-27  3:12 [kvm-unit-tests PATCH v2 00/17] x86_64 UEFI and AMD SEV/SEV-ES support Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 01/17] x86 UEFI: Copy code from Linux Zixuan Wang
2021-09-20 14:33   ` Paolo Bonzini
2021-09-21  3:58     ` Zixuan Wang
2021-09-21  6:37       ` Varad Gautam
2021-09-21 16:33   ` Andrew Jones
2021-09-22 20:10     ` Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 02/17] x86 UEFI: Implement UEFI function calls Zixuan Wang
2021-09-21 16:43   ` Andrew Jones
2021-09-22 20:17     ` Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 03/17] x86 UEFI: Copy code from GNU-EFI Zixuan Wang
2021-10-04 12:44   ` Andrew Jones
2021-10-04 22:09     ` Zixuan Wang [this message]
2021-10-05  5:58       ` Andrew Jones
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 04/17] x86 UEFI: Boot from UEFI Zixuan Wang
2021-10-04 12:55   ` Andrew Jones
2021-10-04 21:30     ` Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 05/17] x86 UEFI: Load IDT after UEFI boot up Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 06/17] x86 UEFI: Load GDT and TSS " Zixuan Wang
2021-09-20 15:40   ` Paolo Bonzini
2021-09-21  4:15     ` Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 07/17] x86 UEFI: Set up memory allocator Zixuan Wang
2021-10-04 13:06   ` Andrew Jones
2021-10-04 21:43     ` Zixuan Wang
2021-10-05  6:05       ` Andrew Jones
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 08/17] x86 UEFI: Set up RSDP after UEFI boot up Zixuan Wang
2021-10-04 13:21   ` Andrew Jones
2021-10-04 21:58     ` Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 09/17] x86 UEFI: Set up page tables Zixuan Wang
2021-09-20 15:43   ` Paolo Bonzini
2021-09-21  4:31     ` Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 10/17] x86 UEFI: Convert x86 test cases to PIC Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 11/17] x86 AMD SEV: Initial support Zixuan Wang
2021-08-27 14:51   ` Tom Lendacky
2021-08-31 19:36     ` Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 12/17] x86 AMD SEV: Page table with c-bit Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 13/17] x86 AMD SEV-ES: Check SEV-ES status Zixuan Wang
2021-08-27 14:55   ` Tom Lendacky
2021-08-31 19:38     ` Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 14/17] x86 AMD SEV-ES: Load GDT with UEFI segments Zixuan Wang
2021-09-20 16:00   ` Paolo Bonzini
2021-09-21  4:41     ` Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 15/17] x86 AMD SEV-ES: Copy UEFI #VC IDT entry Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 16/17] x86 AMD SEV-ES: Set up GHCB page Zixuan Wang
2021-08-27  3:12 ` [kvm-unit-tests PATCH v2 17/17] x86 AMD SEV-ES: Add test cases Zixuan Wang
2021-10-04 13:27 ` [kvm-unit-tests PATCH v2 00/17] x86_64 UEFI and AMD SEV/SEV-ES support Andrew Jones
2021-10-04 20:54   ` Zixuan Wang

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