| Commit message (Collapse) | Author | Age | Files | Lines |
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Create general kernel debugger cache flushing for MN10300 and get rid of the
old stuff that gdbstub was using.
Signed-off-by: David Howells <dhowells@redhat.com>
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Implement SMP global cache flushing for MN10300. This will be used by the AM34
which is SMP capable.
Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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The AM34 core is able to do cache snooping, and so can skip some of the cache
flushing.
Signed-off-by: David Howells <dhowells@redhat.com>
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The AM34 CPU core provides an automated way of purging the cache rather than
manually iterating over all the tags in the cache. Make it possible to use
these.
Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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The current cache flush and invalidate routines operate by controlling the
cache tag registers. Rename the files and add config items to select them.
This makes it easier to support the use of other cache flush methods instead,
such as the use of AM34's area purge registers, if available.
Signed-off-by: David Howells <dhowells@redhat.com>
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Provide a MN10300_CACHE_ENABLED config option as inverted logic of
MN10300_CACHE_DISABLED to make things simpler.
Signed-off-by: David Howells <dhowells@redhat.com>
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Split the cache bits out of arch/mn10300/Kconfig as they're quite complex.
Signed-off-by: David Howells <dhowells@redhat.com>
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