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Get PC BIOS back on UEFI only system

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CSMWrap - and any UEFI application you can boot from a FAT32 partition on an MBR drive (hard disk or USB stick) - it doesn't necessarily have to be an...

Hello, thank you for the awesome project. I tried booting the latest commit in Parallels Desktop for Mac's x86 emulator on arm64, however this seems to cause a CPU exception...

![Image](https://github.com/user-attachments/assets/4b4fde0d-8a39-4b64-aa22-acebb9b30513) It's always stuck here, not proceeding to the SeaBIOS screen. The same VMDK image works fine for booting Windows Vista in UEFI mode on both VMware and QEMU. [Windows...

Hi everyone, I've just enabled the GitHub [wiki](https://github.com/FlyGoat/csmwrap/wiki) for documentation and created initial subpages for OS and Platforms. We also need comprehensive use guides to help users get started. Since...

Some platforms have issue on accessing PCI config space via 0xcf8 & 0xcfc IO ports, we should parse `MCFG` and use ECAM to access PCI config space whenever possible. This...

Implement CBFS to pass sideband information to SeaBIOS, to avoid being too intrusive to SeaBIOScode. Since we are already using coreboot tables to pass framebuffer information, we just need to...

When will added support? Because in future, UEFI Class 3+ systems will come and they will have force enabled Secure Boot.

As reported by @mintsuki, some Intel Arrow Lake S systems have multiple root buses (i.e 0x00-0x7F, 0x80-0xFF). SeaBIOS need appropriate hint to probe multiple root buses (romfile `"etc/extra-pci-roots"`). My current...

Hi! When I boot CSMWrap via UEFI boot menu and press Enter, VGA OpROM detects and starts normally but when I set CSMWrap boot first in the UEFI and when...

https://gitlab.com/tkchia/muefircate this was another CSM on UEFI project i found might be helpful to look at this