Hi Jordan, thanks for the detailed explanation. It certainly helped me understand some parts of the tianocore umbrealla better.
On 02.10.2009 07:37, Jordan Justen wrote: > I work for Intel on the edk2.tianocore.org project. (Compared to the > original edk) edk2 may be of interest to those on this list since it > supports building on several OS's with several different toolchains. > In other words, it also supports building under Linux and OS X with > the GNU compiler and binutils. > Neat. I remember the toolchain issues Linux-based developers had in the past, so I think this is a good thing. > Within our edk2 tree, we have two projects that relate to QEMU. > > The DUET platform is a UEFI emulator that boots like a legacy OS on > top of a legacy BIOS. It contains various hardware initialization > drivers for several legacy hardware devices, but it also will call > into the legacy BIOS and make use of certain items from the legacy > BIOS. DUET can boot from the QEMU legacy BIOS, but it does require a > disk to be setup to have the DUET image on it. I am not sure if all > of DUET's code is currently safe for a UEFI OS to be able to access > UEFI runtime services. > By the way, SeaBIOS can boot virtual floppy images stored in the ROM (at least when SeaBIOS runs as coreboot payload), so if you can fit DUET into a floppy image (or if Kevin adds support for virtual harddisk images), you can have a coreboot+SeaBIOS+DUET ROM right now. > The OVMF platform is a project to build a (mostly) UEFI compatible > firmware for virtual machines. QEMU support is one of the main goals > for OVMF. The OVMF rom image completely replaces QEMU's standard > bios.bin, and therefore we must have hardware drivers for any hardware > within the QEMU VM that we want to make use of. The project also has > the goal to support UEFI OS's at runtime. > So OVMF is not just hardware init, but a complete package of hardware init and UEFI interface? Regards, Carl-Daniel -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
