Initial commit: OpenHarmony-v4.0-ReleaseOpenHarmony-v4.0-Release

1 files changed, 40 insertions, 0 deletions

diff --git a/arch/mips/kernel/fpu-probe.h b/arch/mips/kernel/fpu-probe.h
new file mode 100644
index 000000000..951ce5089
--- /dev/null
+++ b/arch/mips/kernel/fpu-probe.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <linux/kernel.h>
+
+#include <asm/cpu.h>
+#include <asm/cpu-info.h>
+
+#ifdef CONFIG_MIPS_FP_SUPPORT
+
+extern int mips_fpu_disabled;
+
+int __cpu_has_fpu(void);
+void cpu_set_fpu_opts(struct cpuinfo_mips *c);
+void cpu_set_nofpu_opts(struct cpuinfo_mips *c);
+
+#else /* !CONFIG_MIPS_FP_SUPPORT */
+
+#define mips_fpu_disabled 1
+
+static inline unsigned long cpu_get_fpu_id(void)
+{
+        return FPIR_IMP_NONE;
+}
+
+static inline int __cpu_has_fpu(void)
+{
+        return 0;
+}
+
+static inline void cpu_set_fpu_opts(struct cpuinfo_mips *c)
+{
+        /* no-op */
+}
+
+static inline void cpu_set_nofpu_opts(struct cpuinfo_mips *c)
+{
+        /* no-op */
+}
+
+#endif /* CONFIG_MIPS_FP_SUPPORT */