Please see attached for review two patches related to ARM TrustZone.
The first patch (LLVM-705.trustzone.patch) declares a new subtarget feature for TrustZone and adds it as requirement for the Secure Monitor Call instruction.
The second patch (LLVM-706.trustzone_cortex.patch) applies the newly created feature to the relevant processors.
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LLVM-705.trustzone.patch (9.51 KB)
LLVM-706.trustzone_cortex.patch (3.21 KB)