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authorJames Hogan <james.hogan@imgtec.com>2016-05-11 16:50:30 +0200
committerRalf Baechle <ralf@linux-mips.org>2016-05-13 15:30:25 +0200
commit6ad816e77ed77538fe729050cf6631328c6113f7 (patch)
treef04c89b18b8a90d9abc9be6e181cb247c1335d63 /arch/mips/lib
parentMIPS: Add guest CP0 accessors (diff)
downloadlinux-6ad816e77ed77538fe729050cf6631328c6113f7.tar.xz
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MIPS: Add probing & defs for VZ & guest features
Add a few new cpu-features.h definitions for VZ sub-features, namely the existence of the CP0_GuestCtl0Ext, CP0_GuestCtl1, and CP0_GuestCtl2 registers, and support for GuestID to dialias TLB entries belonging to different guests. Also add certain features present in the guest, with the naming scheme cpu_guest_has_*. These are added separately to the main options bitfield since they generally parallel similar features in the root context. A few of these (FPU, MSA, watchpoints, perf counters, CP0_[X]ContextConfig registers, MAAR registers, and probably others in future) can be dynamically configured in the guest context, for which the cpu_guest_has_dyn_* macros are added. [ralf@linux-mips.org: Resolve merge conflict.] Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13231/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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