Unverified Commit e45f463a authored by Clément Léger's avatar Clément Léger Committed by Palmer Dabbelt
Browse files

riscv: add ISA extension parsing for Zbc 



Zbc was documented in the dt-bindings but actually not supported in ISA
string parsing. Add it.

Signed-off-by: default avatarClément Léger <cleger@rivosinc.com>
Link: https://lore.kernel.org/r/20231114141256.126749-2-cleger@rivosinc.com


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent b85ea95d

arch/riscv/include/asm/hwcap.h

+1 −0
Original line number Diff line number Diff line
@@ -57,6 +57,7 @@ 
#define RISCV_ISA_EXT_ZIHPM		42

#define RISCV_ISA_EXT_SMSTATEEN		43

#define RISCV_ISA_EXT_ZICOND		44

#define RISCV_ISA_EXT_ZBC		45



#define RISCV_ISA_EXT_MAX		64

arch/riscv/kernel/cpufeature.c

+1 −0
Original line number Diff line number Diff line
@@ -176,6 +176,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { 
	__RISCV_ISA_EXT_DATA(zihpm, RISCV_ISA_EXT_ZIHPM),

	__RISCV_ISA_EXT_DATA(zba, RISCV_ISA_EXT_ZBA),

	__RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB),

	__RISCV_ISA_EXT_DATA(zbc, RISCV_ISA_EXT_ZBC),

	__RISCV_ISA_EXT_DATA(zbs, RISCV_ISA_EXT_ZBS),

	__RISCV_ISA_EXT_DATA(smaia, RISCV_ISA_EXT_SMAIA),

	__RISCV_ISA_EXT_DATA(smstateen, RISCV_ISA_EXT_SMSTATEEN),