hw/timer/armv7m_systick: Forbid non-privileged accesses
Like most of the v7M memory mapped system registers, the systick registers are accessible to privileged code only and user accesses must generate a BusFault. We implement that for registers in the NVIC proper already, but missed it for systick since we implement it as a separate device. Correct the omission. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NRichard Henderson <richard.henderson@linaro.org> Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190617175317.27557-6-peter.maydell@linaro.org
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