On 03/07/2014 07:11 AM, Peter Maydell wrote:
>> > As a bonus, you'll have accurate exceptions should the access throw, so you
>> > don't need to force the save of PC before calling the helper. Which... I
>> > don't
>> > see you doing, so perhaps there's a bug here at the moment.
> Mmm. (In system
On 03/07/2014 07:11 AM, Peter Maydell wrote:
>> > cpu_stb_data doesn't take into account user vs kernel mode accesses.
> ...so what does it use for the mmu index?
>
Oops, read the macro garbage incorrectly. It does make its way back to
cpu_mmu_index.
r~
On 7 March 2014 14:51, Richard Henderson wrote:
> On 03/06/2014 11:32 AM, Peter Maydell wrote:
>> +/**
>> + * tlb_vaddr_to_host:
>> + * @env: CPUArchState
>> + * @addr: guest virtual address to look up
>> + * @mmu_idx: MMU index to use for lookup
>> + *
>> + * Look up the specified guest virtual i
On 03/06/2014 11:32 AM, Peter Maydell wrote:
> +/**
> + * tlb_vaddr_to_host:
> + * @env: CPUArchState
> + * @addr: guest virtual address to look up
> + * @mmu_idx: MMU index to use for lookup
> + *
> + * Look up the specified guest virtual index in the TCG softmmu TLB.
> + * If the TLB contains a h
Implement the DC ZVA instruction, which clears a block of memory.
The fast path obtains a pointer to the underlying RAM via the TCG TLB
data structure so we can do a direct memset(), with fallback to a
simple byte-store loop in the slow path.
Signed-off-by: Peter Maydell
---
include/exec/softmmu
