tree d0e9a7cbe09e166e53295940772fce5d7798cf21
parent 4e273869671d78660cd709183d3c5dec3a17de79
author Max Filippov <jcmvbkbc@gmail.com> 1348014239 +0400
committer Blue Swirl <blauwirbel@gmail.com> 1348336753 +0000

target-xtensa: implement coprocessor context option

In case Coprocessor Context option is enabled CPENABLE SR bits control
whether access to coprocessors is allowed or would rise one of
CoprocessorXDisabled exceptions.

See ISA, 4.4.5 for more details.

FP is coprocessor 0.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>