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42a6686b2f
Make the FAULTMASK register banked if v8M security extensions are enabled. Note that we do not yet implement the functionality of the new AIRCR.PRIS bit (which allows the effect of the NS copy of FAULTMASK to be restricted). This patch includes the code to determine for v8M which copy of FAULTMASK should be updated on exception exit; further changes will be required to the exception exit code in general to support v8M, so this is just a small piece of that. The v8M ARM ARM introduces a notation where individual paragraphs are labelled with R (for rule) or I (for information) followed by a random group of subscript letters. In comments where we want to refer to a particular part of the manual we use this convention, which should be more stable across document revisions than using section or page numbers. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 1503414539-28762-9-git-send-email-peter.maydell@linaro.org |
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