This requires Linux kernel version 6.8 or later.
---
libavutil/riscv/cpu.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/libavutil/riscv/cpu.c b/libavutil/riscv/cpu.c
index 69d1afe853..3cf4e25bc9 100644
--- a/libavutil/riscv/cpu.c
+++ b/libavutil/riscv/cpu.c
@@ -54,6 +54,10 @@ int ff_get_cpu_flags_riscv(void)
ret |= AV_CPU_FLAG_RVB_ADDR;
if (pairs[1].value & RISCV_HWPROBE_EXT_ZBB)
ret |= AV_CPU_FLAG_RVB_BASIC;
+#ifdef RISCV_HWPROBE_EXT_ZVBB
+ if (pairs[1].value & RISCV_HWPROBE_EXT_ZVBB)
+ ret |= AV_CPU_FLAG_RV_ZVBB;
+#endif
} else
#endif
#if HAVE_GETAUXVAL
@@ -105,6 +109,9 @@ int ff_get_cpu_flags_riscv(void)
ret |= AV_CPU_FLAG_RVV_F64;
#endif
#endif
+#endif
+#ifdef __riscv_zvbb
+ ret |= AV_CPU_FLAG_RV_ZVBB;
#endif
return ret;
--
2.43.0
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