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riscv: Add ISA extension parsing for Zalasr

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Add parsing for Zalasr ISA extension.

Signed-off-by: Xu 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: Paul Walmsley <pjw@kernel.org>
This commit is contained in:
Xu Lu
2025-10-20 12:20:47 +08:00
committed by Paul Walmsley
parent f0ae09a892
commit c9651fbc60
2 changed files with 2 additions and 0 deletions
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1
arch/riscv/include/asm/hwcap.h
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@@ -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

1
arch/riscv/kernel/cpufeature.c
View File

@@ -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),