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authorMayuresh Chitale2022-10-02 10:18:31 +0530
committerAnup Patel2022-10-02 10:18:31 +0530
commit122979aa26cd4a314aae889a0496eb829d50bc9e (patch)
treeeca6ea9de9f583ef7dc6556491b4191e339aa648 /arch/riscv/include
parentd837f19195e77f7c89b6645c8311f5ea6ff67905 (diff)
RISC-V: Probe Svinval extension form ISA string
Just like other ISA extensions, we allow callers/users to detect the presence of Svinval extension from ISA string. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'arch/riscv/include')
-rw-r--r--arch/riscv/include/asm/hwcap.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
index 6f59ec64175e..b22525290073 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -58,6 +58,7 @@ enum riscv_isa_ext_id {
RISCV_ISA_EXT_ZICBOM,
RISCV_ISA_EXT_ZIHINTPAUSE,
RISCV_ISA_EXT_SSTC,
+ RISCV_ISA_EXT_SVINVAL,
RISCV_ISA_EXT_ID_MAX = RISCV_ISA_EXT_MAX,
};
@@ -69,6 +70,7 @@ enum riscv_isa_ext_id {
enum riscv_isa_ext_key {
RISCV_ISA_EXT_KEY_FPU, /* For 'F' and 'D' */
RISCV_ISA_EXT_KEY_ZIHINTPAUSE,
+ RISCV_ISA_EXT_KEY_SVINVAL,
RISCV_ISA_EXT_KEY_MAX,
};
@@ -90,6 +92,8 @@ static __always_inline int riscv_isa_ext2key(int num)
return RISCV_ISA_EXT_KEY_FPU;
case RISCV_ISA_EXT_ZIHINTPAUSE:
return RISCV_ISA_EXT_KEY_ZIHINTPAUSE;
+ case RISCV_ISA_EXT_SVINVAL:
+ return RISCV_ISA_EXT_KEY_SVINVAL;
default:
return -EINVAL;
}