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authorMax Filippov <jcmvbkbc@gmail.com>2012-12-05 07:15:24 +0400
committerBlue Swirl <blauwirbel@gmail.com>2012-12-08 18:48:26 +0000
commitb7909d81f7658f64bba0faed83e7c2fd6a52fcba (patch)
tree532268ec2f2f26c3321770fe23a4f7fab68cd6f5 /tests
parent53593e90d13264dc88b3281ddf75ceaa641df05a (diff)
target-xtensa: implement MISC SR
The Miscellaneous Special Registers Option provides zero to four scratch registers within the processor readable and writable by RSR, WSR, and XSR. These registers are privileged. They may be useful for some application-specific exception and interrupt processing tasks in the kernel. The MISC registers are undefined after reset. See ISA, 4.7.3 for details. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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