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Subject[PATCH v1 08/13] riscv: add ISA extension probing for Zihintntl
Date
Add probing for Zihintntl ISA extension[1] that was ratified in commit
0dc91f5 ("Zihintntl is ratified") in riscv-isa-manual[2].

[1] https://drive.google.com/file/d/13_wsN8YmRfH8YWysFyTX-DjTkCnBd9hj/view
[2] https://github.com/riscv/riscv-isa-manual/commit/0dc91f505e6d

Signed-off-by: Clément Léger <cleger@rivosinc.com>
---
arch/riscv/include/asm/hwcap.h | 1 +
arch/riscv/kernel/cpufeature.c | 1 +
2 files changed, 2 insertions(+)

diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
index 35f00401afc8..1f09b8b3da2a 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -76,6 +76,7 @@
#define RISCV_ISA_EXT_ZVKT 58
#define RISCV_ISA_EXT_ZFH 59
#define RISCV_ISA_EXT_ZFHMIN 60
+#define RISCV_ISA_EXT_ZIHINTNTL 61

#define RISCV_ISA_EXT_MAX 64

diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 9ee7814641a4..136e90263ba2 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -169,6 +169,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
__RISCV_ISA_EXT_DATA(zicntr, RISCV_ISA_EXT_ZICNTR),
__RISCV_ISA_EXT_DATA(zicsr, RISCV_ISA_EXT_ZICSR),
__RISCV_ISA_EXT_DATA(zifencei, RISCV_ISA_EXT_ZIFENCEI),
+ __RISCV_ISA_EXT_DATA(zihintntl, RISCV_ISA_EXT_ZIHINTNTL),
__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),
--
2.42.0
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