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target/arm: Make BASEPRI register banked for v8M

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Make the BASEPRI 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 BASEPRI to
be restricted).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 1503414539-28762-7-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2017-09-07 13:54:52 +01:00
parent 66787c7868
commit acf949411f
4 changed files with 23 additions and 8 deletions
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3
target/arm/machine.c
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@ -115,7 +115,7 @@ static const VMStateDescription vmstate_m = {
.needed = m_needed,
.fields = (VMStateField[]) {
VMSTATE_UINT32(env.v7m.vecbase, ARMCPU),
VMSTATE_UINT32(env.v7m.basepri, ARMCPU),
VMSTATE_UINT32(env.v7m.basepri[M_REG_NS], ARMCPU),
VMSTATE_UINT32(env.v7m.control, ARMCPU),
VMSTATE_UINT32(env.v7m.ccr, ARMCPU),
VMSTATE_UINT32(env.v7m.cfsr, ARMCPU),
@ -250,6 +250,7 @@ static const VMStateDescription vmstate_m_security = {
.needed = m_security_needed,
.fields = (VMStateField[]) {
VMSTATE_UINT32(env.v7m.secure, ARMCPU),
VMSTATE_UINT32(env.v7m.basepri[M_REG_S], ARMCPU),
VMSTATE_END_OF_LIST()
}
};