From c6699baf10647b87b075bf6c65d25b4cd52d4830 Mon Sep 17 00:00:00 2001 From: Evan Green Date: Tue, 9 May 2023 11:25:01 -0700 Subject: RISC-V: Add Zba, Zbs extension probing Add the Zba address bit manipulation extension and Zbs single bit instructions extension into those the kernel is aware of and maintains in its riscv_isa bitmap. Signed-off-by: Evan Green Reviewed-by: Andrew Jones Reviewed-by: Palmer Dabbelt Reviewed-by: Conor Dooley Reviewed-by: Heiko Stuebner Link: https://lore.kernel.org/r/20230509182504.2997252-2-evan@rivosinc.com Signed-off-by: Palmer Dabbelt --- arch/riscv/kernel/cpu.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/riscv/kernel/cpu.c') diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c index c96aa56cf1c7..bd294364390d 100644 --- a/arch/riscv/kernel/cpu.c +++ b/arch/riscv/kernel/cpu.c @@ -184,7 +184,9 @@ static struct riscv_isa_ext_data isa_ext_arr[] = { __RISCV_ISA_EXT_DATA(zicbom, RISCV_ISA_EXT_ZICBOM), __RISCV_ISA_EXT_DATA(zicboz, RISCV_ISA_EXT_ZICBOZ), __RISCV_ISA_EXT_DATA(zihintpause, RISCV_ISA_EXT_ZIHINTPAUSE), + __RISCV_ISA_EXT_DATA(zba, RISCV_ISA_EXT_ZBA), __RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB), + __RISCV_ISA_EXT_DATA(zbs, RISCV_ISA_EXT_ZBS), __RISCV_ISA_EXT_DATA(smaia, RISCV_ISA_EXT_SMAIA), __RISCV_ISA_EXT_DATA(ssaia, RISCV_ISA_EXT_SSAIA), __RISCV_ISA_EXT_DATA(sscofpmf, RISCV_ISA_EXT_SSCOFPMF), -- cgit