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authorVineet Gupta <vgupta@synopsys.com>2020-01-17 16:00:41 -0800
committerVineet Gupta <vgupta@synopsys.com>2020-01-17 16:53:38 -0800
commitf05523aa7a1e63bfada5e222c0a57e02dbd4fcfa (patch)
treecd56e4c8e5dbc2f85ee94065191052088a2863c1 /arch/arc/include/asm/fpu.h
parentbd71c453db91ecb464405411f2821d040f2a0d44 (diff)
ARC: fpu: declutter code, move bits out into fpu.h
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/include/asm/fpu.h')
-rw-r--r--arch/arc/include/asm/fpu.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arc/include/asm/fpu.h b/arch/arc/include/asm/fpu.h
new file mode 100644
index 000000000000..de467423d99b
--- /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 */