armv7m: set CFSR.UNDEFINSTR on undefined instructions
When we take an exception for an undefined instruction, set the appropriate CFSR bit. Signed-off-by: Michael Davidsaver <mdavidsaver@gmail.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 1485285380-10565-7-git-send-email-peter.maydell@linaro.org [PMM: tweaked commit message, comment] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -6072,6 +6072,7 @@ void arm_v7m_cpu_do_interrupt(CPUState *cs)
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switch (cs->exception_index) {
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case EXCP_UDEF:
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armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_USAGE);
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env->v7m.cfsr |= R_V7M_CFSR_UNDEFINSTR_MASK;
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return;
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case EXCP_SWI:
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/* The PC already points to the next instruction. */
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