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target-arm: Set correct syndrome for faults on MSR DAIF*, imm
If the SCTLR.UMA trap bit is set then attempts by EL0 to update the PSTATE DAIF bits via "MSR DAIFSet, imm" and "MSR DAIFClr, imm" instructions will raise an exception. We were failing to set the syndrome information for this exception, which meant that it would be reported as a repeat of whatever the previous exception was. Set the correct syndrome information. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
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