显卡添加UEFI支持

UEFI GOP
The UEFI Graphics Output Protocol is a cross-platform abstraction which allows the developer to access graphics output devices. While providing no 3D acceleration and only limited 2D acceleration, the GOP can be used for drawing the GUI of a UEFI application until more advanced drivers are loaded.
https://github.com/rust-osdev/uefi-rs/wiki/Graphics-Output-Protocol

效果

Origin BIOS ROM
modded BIOS ROM

准备

ATIflash —— 提取和刷入VBIOS
GOPupd —— vBIOS嵌入GOP功能
受害者 —— 蓝宝石 AMD R7 250 [512sp] [GDDR5 2048MB]

步骤

  1. BIOS设置
    1. iGFX multi monitor – Disable
    2. primary monitor – iGFX
    3. iGFX enable – enable
  2. 提取vBIOS
  3. 使用GOPupd修改vBIOS
    1. python3 GOPupd.py origin.rom gop_upd
  4. 刷入vBIOS
  5. BIOS设置
    1. iGFX multi monitor – Enable
    2. primary monitor – Auto
    3. iGFX enable – enable

相关文章

GOPupd
https://www.win-raid.com/t892f16-AMD-and-Nvidia-GOP-update-No-requests-DIY.html
ATI flash
https://www.techpowerup.com/download/ati-atiflash/

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