Re: [Qemu-devel] [PATCH v2] roms: Flush icache when writing roms to guest memory

2013-12-13 Thread Paolo Bonzini
Il 12/12/2013 10:29, Alexander Graf ha scritto: > We use the rom infrastructure to write firmware and/or initial kernel > blobs into guest address space. So we're basically emulating the cache > off phase on very early system bootup. > > That phase is usually responsible for clearing the instructi

Re: [Qemu-devel] [PATCH v2] roms: Flush icache when writing roms to guest memory

2013-12-12 Thread Scott Wood
On Thu, 2013-12-12 at 10:29 +0100, Alexander Graf wrote: > We use the rom infrastructure to write firmware and/or initial kernel > blobs into guest address space. So we're basically emulating the cache > off phase on very early system bootup. > > That phase is usually responsible for clearing the

[Qemu-devel] [PATCH v2] roms: Flush icache when writing roms to guest memory

2013-12-12 Thread Alexander Graf
We use the rom infrastructure to write firmware and/or initial kernel blobs into guest address space. So we're basically emulating the cache off phase on very early system bootup. That phase is usually responsible for clearing the instruction cache for anything it writes into cachable memory, to e