Unverified Commit 2d36fe89 authored by Alexandre Ghiti's avatar Alexandre Ghiti Committed by Palmer Dabbelt
Browse files

riscv: Add ISA extension parsing for Ziccrse 



Add support to parse the Ziccrse string in the riscv,isa string.

Signed-off-by: default avatarAlexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: default avatarAndrew Jones <ajones@ventanamicro.com>
Reviewed-by: default avatarAndrea Parri <parri.andrea@gmail.com>
Link: https://lore.kernel.org/r/20241103145153.105097-12-alexghiti@rivosinc.com


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 22c33321

arch/riscv/include/asm/hwcap.h

+1 −0
Original line number Diff line number Diff line
@@ -94,6 +94,7 @@ 
#define RISCV_ISA_EXT_ZAWRS		85

#define RISCV_ISA_EXT_SVVPTC		86

#define RISCV_ISA_EXT_ZABHA		87

#define RISCV_ISA_EXT_ZICCRSE		88



#define RISCV_ISA_EXT_XLINUXENVCFG	127

arch/riscv/kernel/cpufeature.c

+1 −0
Original line number Diff line number Diff line
@@ -314,6 +314,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { 
					  riscv_ext_zicbom_validate),

	__RISCV_ISA_EXT_SUPERSET_VALIDATE(zicboz, RISCV_ISA_EXT_ZICBOZ, riscv_xlinuxenvcfg_exts,

					  riscv_ext_zicboz_validate),

	__RISCV_ISA_EXT_DATA(ziccrse, RISCV_ISA_EXT_ZICCRSE),

	__RISCV_ISA_EXT_DATA(zicntr, RISCV_ISA_EXT_ZICNTR),

	__RISCV_ISA_EXT_DATA(zicond, RISCV_ISA_EXT_ZICOND),

	__RISCV_ISA_EXT_DATA(zicsr, RISCV_ISA_EXT_ZICSR),