riscv: vector: Support xtheadvector save/restore
authorCharlie Jenkins <charlie@rivosinc.com>
Thu, 14 Nov 2024 02:21:15 +0000 (18:21 -0800)
committerPalmer Dabbelt <palmer@rivosinc.com>
Sat, 18 Jan 2025 20:33:33 +0000 (12:33 -0800)
commitd863910eabaffc68eb28aaf476dd870fc3f7197d
tree74a8cf9710b43ca2d5a27a0e16d5aa0a3a4ac51a
parent01e3313e34d0e3912a7031c217367df051603149
riscv: vector: Support xtheadvector save/restore

Use alternatives to add support for xtheadvector vector save/restore
routines.

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Tested-by: Yangyu Chen <cyy@cyyself.name>
Link: https://lore.kernel.org/r/20241113-xtheadvector-v11-9-236c22791ef9@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
arch/riscv/include/asm/csr.h
arch/riscv/include/asm/switch_to.h
arch/riscv/include/asm/vector.h
arch/riscv/kernel/cpufeature.c
arch/riscv/kernel/kernel_mode_vector.c
arch/riscv/kernel/process.c
arch/riscv/kernel/signal.c
arch/riscv/kernel/vector.c