Unverified Commit 11e8e1ee authored by Clément Léger's avatar Clément Léger Committed by Palmer Dabbelt
Browse files

riscv: add ISA extension parsing for Zfh/Zfh[min] 

Add parsing for Zfh[min] ISA extensions[1].

Link: https://drive.google.com/file/d/1z3tQQLm5ALsAD77PM0l0CHnapxWCeVzP/view

 [1]
Signed-off-by: default avatarClément Léger <cleger@rivosinc.com>
Reviewed-by: default avatarEvan Green <evan@rivosinc.com>
Link: https://lore.kernel.org/r/20231114141256.126749-10-cleger@rivosinc.com


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 10815531

arch/riscv/include/asm/hwcap.h

+2 −0
Original line number Diff line number Diff line
@@ -78,6 +78,8 @@ 
#define RISCV_ISA_EXT_ZVKSED		63

#define RISCV_ISA_EXT_ZVKSH		64

#define RISCV_ISA_EXT_ZVKT		65

#define RISCV_ISA_EXT_ZFH		66

#define RISCV_ISA_EXT_ZFHMIN		67



#define RISCV_ISA_EXT_MAX		128

#define RISCV_ISA_EXT_INVALID		U32_MAX

arch/riscv/kernel/cpufeature.c

+2 −0
Original line number Diff line number Diff line
@@ -258,6 +258,8 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { 
	__RISCV_ISA_EXT_DATA(zifencei, RISCV_ISA_EXT_ZIFENCEI),

	__RISCV_ISA_EXT_DATA(zihintpause, RISCV_ISA_EXT_ZIHINTPAUSE),

	__RISCV_ISA_EXT_DATA(zihpm, RISCV_ISA_EXT_ZIHPM),

	__RISCV_ISA_EXT_DATA(zfh, RISCV_ISA_EXT_ZFH),

	__RISCV_ISA_EXT_DATA(zfhmin, RISCV_ISA_EXT_ZFHMIN),

	__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),