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4b24f6d87b
Make the CCR register banked if v8M security extensions are enabled. This is slightly more complicated than the other "add banking" patches because there is one bit in the register which is not banked. We keep the live data in the NS copy of the register, and adjust it on register reads and writes. (Since we don't currently implement the behaviour that the bit controls, there is nowhere else that needs to care.) This patch includes the enforcement of the bits which are newly RES1 in ARMv8M. Backports commit 9d40cd8a68cfc7606f4548cc9e812bab15c6dc28 from qemu |
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