Re: [PATCH 0/4] MdeModulePkg: add support for dispatching foreign arch PE/COFF images

From: "Gao, Liming" <liming.gao@intel.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Cc: "Ni, Ruiyu" <ruiyu.ni@intel.com>,
	"Zimmer, Vincent" <vincent.zimmer@intel.com>,
	"Dong, Eric" <eric.dong@intel.com>, Andrew Fish <afish@apple.com>,
	"agraf@suse.de" <agraf@suse.de>,
	"Richardson, Brian" <brian.richardson@intel.com>,
	"Kinney, Michael D" <michael.d.kinney@intel.com>,
	Laszlo Ersek <lersek@redhat.com>,
	"Zeng, Star" <star.zeng@intel.com>
Subject: Re: [PATCH 0/4] MdeModulePkg: add support for dispatching foreign arch PE/COFF images
Date: Wed, 12 Sep 2018 14:55:39 +0000	[thread overview]
Message-ID: <4A89E2EF3DFEDB4C8BFDE51014F606A14E2F6638@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <20180912132151.4258-1-ard.biesheuvel@linaro.org>

Ard:
  What's purpose to run the not native image in emulator? And, what should be done in the emulator driver, such as X64Emulator? Is the emulator responsible to translate the instruction between the different arch? I see X64Emualtor bases on qemu code. 

Thanks
Liming
> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Ard Biesheuvel
> Sent: Wednesday, September 12, 2018 9:22 PM
> To: edk2-devel@lists.01.org
> Cc: Ni, Ruiyu <ruiyu.ni@intel.com>; Zimmer, Vincent <vincent.zimmer@intel.com>; Dong, Eric <eric.dong@intel.com>; Andrew Fish
> <afish@apple.com>; agraf@suse.de; Richardson, Brian <brian.richardson@intel.com>; Kinney, Michael D
> <michael.d.kinney@intel.com>; Laszlo Ersek <lersek@redhat.com>; Zeng, Star <star.zeng@intel.com>
> Subject: [edk2] [PATCH 0/4] MdeModulePkg: add support for dispatching foreign arch PE/COFF images
> 
> Add the basic plumbing to DXE core, the PCI bus driver and the boot manager
> to allow PE/COFF images to be dispatched that target an architecture that is
> not native for the platform, but which is supported by an emulator.
> 
> One implementation of such an emulator can be found here:
> https://github.com/ardbiesheuvel/X86EmulatorPkg
> 
> Cc: Zimmer Vincent <vincent.zimmer@intel.com>
> Cc: Brian Richardson <brian.richardson@intel.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Andrew Fish <afish@apple.com>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Leif Lindholm <leif.lindholm@linaro.org>
> Cc: Star Zeng <star.zeng@intel.com>
> Cc: Eric Dong <eric.dong@intel.com>
> Cc: Ruiyu Ni <ruiyu.ni@intel.com>
> 
> Ard Biesheuvel (4):
>   MdeModulePkg: introduce PE/COFF image emulator protocol
>   MdeModulePkg/DxeCore: invoke the emulator protocol for foreign images
>   MdeModulePkg/PciBusDxe: invoke PE/COFF emulator for foreign option
>     ROMs
>   MdeModulePkg/UefiBootManagerLib: allow foreign Driver#### images
> 
>  MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h       |  1 +
>  MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf  |  1 +
>  .../Bus/Pci/PciBusDxe/PciOptionRomSupport.c   | 16 +++++-
>  MdeModulePkg/Core/Dxe/DxeMain.h               |  3 ++
>  MdeModulePkg/Core/Dxe/DxeMain.inf             |  1 +
>  MdeModulePkg/Core/Dxe/Image/Image.c           | 39 +++++++++++---
>  .../Include/Protocol/PeCoffImageEmulator.h    | 51 +++++++++++++++++++
>  .../Library/UefiBootManagerLib/BmLoadOption.c | 26 +++++++++-
>  .../Library/UefiBootManagerLib/InternalBm.h   |  1 +
>  .../UefiBootManagerLib/UefiBootManagerLib.inf |  1 +
>  MdeModulePkg/MdeModulePkg.dec                 |  4 ++
>  11 files changed, 136 insertions(+), 8 deletions(-)
>  create mode 100644 MdeModulePkg/Include/Protocol/PeCoffImageEmulator.h
> 
> --
> 2.17.1
> 
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