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| author | Michael Davidsaver <mdavidsaver@gmail.com> | 2017-01-27 15:20:23 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2017-01-27 15:29:08 +0000 |
| commit | 81dd9648c69bb89afdd6f4bb3ed6f3efdac96524 (patch) | |
| tree | 08fa077bea3e4bae356612d41dcddb01d8f847e4 | |
| parent | dc858c6633a9af8b80c1509cf6f825e4390d3ad1 (diff) | |
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>
| -rw-r--r-- | target/arm/helper.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index 7dc30f5769..e6b1c36a95 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -6072,6 +6072,7 @@ void arm_v7m_cpu_do_interrupt(CPUState *cs) switch (cs->exception_index) { case EXCP_UDEF: armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_USAGE); + env->v7m.cfsr |= R_V7M_CFSR_UNDEFINSTR_MASK; return; case EXCP_SWI: /* The PC already points to the next instruction. */ |