Il 02/08/2012 05:50, Benjamin Herrenschmidt ha scritto: > >> > This sort of stuff is either >> > (1) hard coded in a firmware/flashrom or (2) built dynamically in >> > firmware. Let's not pretend like we're doing this because it's needed >> > for real hardware. > Doesn't matter, we do things like -kernel which means pre-loading the > kernel from qemu, even on x86. That doesn't match real HW either, but > it's convenient to have. But overall there are real HW reasons to > control the reset as well so the hook makes sense both ways.
On x86 we do not pre-load the kernel. Neither the kernel/initramfs and the option ROM that loads the kernel are written in memory, they are passed to the guest via fw_cfg. Then the option ROM is loaded by the BIOS, and loads the kernel/initramfs. Paolo
