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target/arm: Make PRIMASK register banked for v8M

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Make the PRIMASK 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 PRIMASK to
be restricted).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 1503414539-28762-8-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2017-09-07 13:54:52 +01:00
parent acf949411f
commit 6d80483419
4 changed files with 11 additions and 6 deletions
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2
hw/intc/armv7m_nvic.c
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@ -169,7 +169,7 @@ static inline int nvic_exec_prio(NVICState *s)
if (env->v7m.faultmask) {
running = -1;
} else if (env->v7m.primask) {
} else if (env->v7m.primask[env->v7m.secure]) {
running = 0;
} else if (env->v7m.basepri[env->v7m.secure] > 0) {
running = env->v7m.basepri[env->v7m.secure] & nvic_gprio_mask(s);