Unverified Commit 1ec9f381 authored by Clément Léger's avatar Clément Léger Committed by Palmer Dabbelt
Browse files

riscv: add ISA extension parsing for Ztso 



Add support to parse the Ztso string in the riscv,isa string. The
bindings already supports it but not the ISA parsing code.

Signed-off-by: default avatarClément Léger <cleger@rivosinc.com>
Link: https://lore.kernel.org/r/20231220155723.684081-2-cleger@rivosinc.com


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 9726acfd

arch/riscv/include/asm/hwcap.h

+1 −0
Original line number Diff line number Diff line
@@ -84,6 +84,7 @@ 
#define RISCV_ISA_EXT_ZVFH		69

#define RISCV_ISA_EXT_ZVFHMIN		70

#define RISCV_ISA_EXT_ZFA		71

#define RISCV_ISA_EXT_ZTSO		72



#define RISCV_ISA_EXT_MAX		128

#define RISCV_ISA_EXT_INVALID		U32_MAX

arch/riscv/kernel/cpufeature.c

+1 −0
Original line number Diff line number Diff line
@@ -279,6 +279,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { 
	__RISCV_ISA_EXT_DATA(zkt, RISCV_ISA_EXT_ZKT),

	__RISCV_ISA_EXT_DATA(zksed, RISCV_ISA_EXT_ZKSED),

	__RISCV_ISA_EXT_DATA(zksh, RISCV_ISA_EXT_ZKSH),

	__RISCV_ISA_EXT_DATA(ztso, RISCV_ISA_EXT_ZTSO),

	__RISCV_ISA_EXT_SUPERSET(zvbb, RISCV_ISA_EXT_ZVBB, riscv_zvbb_exts),

	__RISCV_ISA_EXT_DATA(zvbc, RISCV_ISA_EXT_ZVBC),

	__RISCV_ISA_EXT_DATA(zvfh, RISCV_ISA_EXT_ZVFH),