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target/arm: Factor MPU lookup code out of get_phys_addr_pmsav8()
For the TT instruction we're going to need to do an MPU lookup that also tells us which MPU region the access hit. This requires us to do the MPU lookup without first doing the SAU security access check, so pull the MPU lookup parts of get_phys_addr_pmsav8() out into their own function. The TT instruction also needs to know the MPU region number which the lookup hit, so provide this information to the caller of the MPU lookup code, even though get_phys_addr_pmsav8() doesn't need to know it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 1512153879-5291-7-git-send-email-peter.maydell@linaro.org Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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