Commit c9651fbc authored by Xu Lu's avatar Xu Lu Committed by Paul Walmsley
Browse files

riscv: Add ISA extension parsing for Zalasr 



Add parsing for Zalasr ISA extension.

Signed-off-by: default avatarXu Lu <luxu.kernel@bytedance.com>
Link: https://patch.msgid.link/20251020042056.30283-2-luxu.kernel@bytedance.com


[pjw@kernel.org: updated to apply]
Signed-off-by: default avatarPaul Walmsley <pjw@kernel.org>
parent f0ae09a8

arch/riscv/include/asm/hwcap.h

+1 −0
Original line number Diff line number Diff line
@@ -106,6 +106,7 @@ 
#define RISCV_ISA_EXT_ZAAMO		97

#define RISCV_ISA_EXT_ZALRSC		98

#define RISCV_ISA_EXT_ZICBOP		99

#define RISCV_ISA_EXT_ZALASR		100



#define RISCV_ISA_EXT_XLINUXENVCFG	127

arch/riscv/kernel/cpufeature.c

+1 −0
Original line number Diff line number Diff line
@@ -472,6 +472,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = { 
	__RISCV_ISA_EXT_DATA(zaamo, RISCV_ISA_EXT_ZAAMO),

	__RISCV_ISA_EXT_DATA(zabha, RISCV_ISA_EXT_ZABHA),

	__RISCV_ISA_EXT_DATA(zacas, RISCV_ISA_EXT_ZACAS),

	__RISCV_ISA_EXT_DATA(zalasr, RISCV_ISA_EXT_ZALASR),

	__RISCV_ISA_EXT_DATA(zalrsc, RISCV_ISA_EXT_ZALRSC),

	__RISCV_ISA_EXT_DATA(zawrs, RISCV_ISA_EXT_ZAWRS),

	__RISCV_ISA_EXT_DATA_VALIDATE(zfa, RISCV_ISA_EXT_ZFA, riscv_ext_f_depends),