riscv: Add support for kernel mode vector

Add kernel_vector_begin() and kernel_vector_end() function declarations and corresponding definitions in kernel_mode_vector.c These are needed to wrap uses of vector in kernel mode. Co-developed-by: Vincent Chen <vincent.chen@sifive.com> Signed-off-by: Vincent Chen <vincent.chen@sifive.com> Signed-off-by: Greentime Hu <greentime.hu@sifive.com> Signed-off-by: Andy Chiu <andy.chiu@sifive.com> Reviewed-by: Eric Biggers <ebiggers@google.com> Tested-by: Björn Töpel <bjorn@rivosinc.com> Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20240115055929.4736-2-andy.chiu@sifive.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2026-09-28 19:20:30 +00:00 · 2024-01-15 05:59:20 +00:00 · 2024-01-15 05:59:20 +00:00 · ecd2ada8a5
commit ecd2ada8a5
parent b85ea95d08
6 changed files with 182 additions and 1 deletions
--- a/arch/riscv/include/asm/processor.h
+++ b/arch/riscv/include/asm/processor.h
--- a/arch/riscv/include/asm/simd.h
+++ b/arch/riscv/include/asm/simd.h
--- a/arch/riscv/include/asm/vector.h
+++ b/arch/riscv/include/asm/vector.h
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
--- a/arch/riscv/kernel/kernel_mode_vector.c
+++ b/arch/riscv/kernel/kernel_mode_vector.c
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c