Re: [Qemu-devel] [PATCH 2/4] Add support for execution from ROMs in IO device mode

2010-05-13 Thread Jan Kiszka
Jan Kiszka wrote: > Jamie Lokier wrote: >> Jan Kiszka wrote: >>> While IO_MEM_ROMD marks an I/O memory region as "read/execute from RAM, >>> but write to I/O handler", there is no flag indicating that an I/O >>> region which is fully managed by I/O handlers can still be hosting >>> executable code.

Re: [Qemu-devel] [PATCH 2/4] Add support for execution from ROMs in IO device mode

2010-05-13 Thread Jan Kiszka
Jamie Lokier wrote: > Jan Kiszka wrote: >> While IO_MEM_ROMD marks an I/O memory region as "read/execute from RAM, >> but write to I/O handler", there is no flag indicating that an I/O >> region which is fully managed by I/O handlers can still be hosting >> executable code. One use case for this ar

Re: [Qemu-devel] [PATCH 2/4] Add support for execution from ROMs in IO device mode

2010-05-13 Thread Jamie Lokier
Jan Kiszka wrote: > While IO_MEM_ROMD marks an I/O memory region as "read/execute from RAM, > but write to I/O handler", there is no flag indicating that an I/O > region which is fully managed by I/O handlers can still be hosting > executable code. One use case for this are flash device models that

[Qemu-devel] [PATCH 2/4] Add support for execution from ROMs in IO device mode

2010-05-13 Thread Jan Kiszka
While IO_MEM_ROMD marks an I/O memory region as "read/execute from RAM, but write to I/O handler", there is no flag indicating that an I/O region which is fully managed by I/O handlers can still be hosting executable code. One use case for this are flash device models that switch to I/O mode during