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authorlaurenw-arm <lauren.wehrmeister@arm.com>2019-08-20 15:51:24 -0500
committerDeepika Bhavnani <deepika.bhavnani@arm.com>2019-10-04 19:31:24 +0300
commit80942622fe760c23f0a677eac48aff37e90f4251 (patch)
tree7950a0f8c0d417e2f3519ccfb136ec48ca9b9717 /docs/components/platform-interrupt-controller-API.rst
parent5f38b5362cff958225c6ad9b3d45a56b3d613fbf (diff)
Neoverse N1 Errata Workaround 1542419
Coherent I-cache is causing a prefetch violation where when the core executes an instruction that has recently been modified, the core might fetch a stale instruction which violates the ordering of instruction fetches. The workaround includes an instruction sequence to implementation defined registers to trap all EL0 IC IVAU instructions to EL3 and a trap handler to execute a TLB inner-shareable invalidation to an arbitrary address followed by a DSB. Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com> Change-Id: Ic3b7cbb11cf2eaf9005523ef5578a372593ae4d6
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