On Tue, Apr 18, 2017 at 01:11:53AM -0700, Richard Henderson wrote:
> On 04/16/2017 04:23 PM, Stafford Horne wrote:
> > Shadow registers are part of the openrisc spec along with sr[cid], as
> > part of the fast context switching feature. When exceptions occur,
> > instead of having to save register
On 04/16/2017 04:23 PM, Stafford Horne wrote:
Shadow registers are part of the openrisc spec along with sr[cid], as
part of the fast context switching feature. When exceptions occur,
instead of having to save registers to the stack if enabled the CID will
increment and a new set of registers wil
Shadow registers are part of the openrisc spec along with sr[cid], as
part of the fast context switching feature. When exceptions occur,
instead of having to save registers to the stack if enabled the CID will
increment and a new set of registers will be available.
This patch only implements shad