mirror of
https://github.com/xemu-project/xemu.git
synced 2025-02-21 12:53:01 +00:00
fd592d890e
The memory writes done to push registers on the stack on exception entry in M profile CPUs are supposed to go via MPU permissions checks, which may cause us to take a derived exception instead of the original one of the MPU lookup fails. We were implementing these as always-succeeds direct writes to physical memory. Rewrite v7m_push_stack() to do the necessary checks. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 1517324542-6607-5-git-send-email-peter.maydell@linaro.org