On 06/16/2015 12:25 PM, Eric Blake wrote:
> On 06/16/2015 10:02 AM, John Snow wrote:
>> The only guidance the AHCI specification gives on memory access
>> is: "Register accesses shall have a maximum size of 64-bits;
>> 64-bit access must not cross an 8-byte alignment boundary."
>>
>> I interpret
On 06/16/2015 10:02 AM, John Snow wrote:
> The only guidance the AHCI specification gives on memory access is:
> "Register accesses shall have a maximum size of 64-bits; 64-bit access
> must not cross an 8-byte alignment boundary."
>
> I interpret this to mean that aligned or unaligned 1, 2 and 4
The only guidance the AHCI specification gives on memory access is:
"Register accesses shall have a maximum size of 64-bits; 64-bit access
must not cross an 8-byte alignment boundary."
I interpret this to mean that aligned or unaligned 1, 2 and 4 byte
accesses should work, as well as aligned 8 byt