MIPS: Introduce accessors for MSA vector registers
Introduce accessor functions allowing the kernel to access arbitrary vector registers using an arbitrary data format. The accessors are implemented in assembly, using macros to avoid massive duplication, in order to make use of the existing support for MSA with & without toolchain support. The accessors will be used in a later patch. Signed-off-by: NPaul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Cc: linux-kernel@vger.kernel.org Cc: James Hogan <james.hogan@imgtec.com> Cc: Markos Chandras <markos.chandras@imgtec.com> Cc: Manuel Lauss <manuel.lauss@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/10572/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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