ARC: fpu: declutter code, move bits out into fpu.h

[sfrench/cifs-2.6.git] / arch / arc / include / asm / fpu.h

diff --git a/arch/arc/include/asm/fpu.h b/arch/arc/include/asm/fpu.h
new file mode 100644 (file)
index 0000000..de46742
--- /dev/null
+++ b/arch/arc/include/asm/fpu.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 Synopsys, Inc. (www.synopsys.com)
+ *
+ */
+
+#ifndef _ASM_ARC_FPU_H
+#define _ASM_ARC_FPU_H
+
+#ifdef CONFIG_ARC_FPU_SAVE_RESTORE
+
+#include <asm/ptrace.h>
+
+/* These DPFP regs need to be saved/restored across ctx-sw */
+struct arc_fpu {
+       struct {
+               unsigned int l, h;
+       } aux_dpfp[2];
+};
+
+extern void fpu_save_restore(struct task_struct *p, struct task_struct *n);
+
+#else
+
+#define fpu_save_restore(p, n)
+
+#endif /* CONFIG_ARC_FPU_SAVE_RESTORE */
+
+#endif /* _ASM_ARC_FPU_H */