Re: [Qemu-devel] [PATCH] sparc32 boot mode flag fix

[Paul Brook]

> > IIUC enabling/disabling boot mode is no different to and other VM change.
> > If the virtual->physical mapping happens to be the same then it's
> > perfectly ok to reuse the TB.
>
> Not in this case: in boot mode, physical and virtual address 0
> generates TBs from PROM code.

How is this different to using the MMU to map the PROM at virtual address 
zero?

I see exactly one use of MMU_BM. It simply hard-wires a particular 
virtual->physical address mapping.

Paul