tree fe8f199e902295c13a0473007f2b2c77b9bf2dc6
parent 49cb833ee64eb484d27e025c7eae8804beecccd3
author Giacomo Travaglini <giacomo.travaglini@arm.com> 1628763835 +0100
committer Bobby Bruce <bbruce@ucdavis.edu> 1639285464 +0000

arch-arm: Allowing table descriptor to be inserted in TLB

This patch is modifying both TableWalker and MMU to effectively
store/use partial translations

* TableWalker changes: If there is a TLB supporting partial
translations (implemented with previous patch), the TableWalker will
craft partial entries and forward them to the TLB as walks are performed

* MMU changes: We now instruct the table walker to start a page
table traversal even if we hit in the TLB, if the matching entry
holds a partial translation

JIRA: https://gem5.atlassian.net/browse/GEM5-1108

Change-Id: Id20aaf4ea02960d50d8345f3e174c698af21ad1c
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/52125
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>