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-rw-r--r--arch/riscv/kernel/cpufeature.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 652d102ffa06..5493f3228704 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -22,6 +22,9 @@
#include <asm/hwcap.h>
unsigned long elf_hwcap __read_mostly;
+#ifdef CONFIG_FPU
+bool has_fpu __read_mostly;
+#endif
void riscv_fill_hwcap(void)
{
@@ -65,4 +68,9 @@ void riscv_fill_hwcap(void)
}
pr_info("elf_hwcap is 0x%lx", elf_hwcap);
+
+#ifdef CONFIG_FPU
+ if (elf_hwcap & (COMPAT_HWCAP_ISA_F | COMPAT_HWCAP_ISA_D))
+ has_fpu = true;
+#endif
}
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