mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/arch/mips/include/asm/dsemul.h
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@@ -1,11 +1,7 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * Copyright (C) 2016 Imagination Technologies
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  * Author: Paul Burton <paul.burton@mips.com>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the
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- * Free Software Foundation;  either version 2 of the  License, or (at your
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- * option) any later version.
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  */
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 #ifndef __MIPS_ASM_DSEMUL_H__
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  *
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  * Return: True if an emulation frame was returned from, else false.
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  */
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+#ifdef CONFIG_MIPS_FP_SUPPORT
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 extern bool do_dsemulret(struct pt_regs *xcp);
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+#else
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+static inline bool do_dsemulret(struct pt_regs *xcp)
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+{
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+	return false;
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+}
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+#endif
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 /**
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  * dsemul_thread_cleanup() - Cleanup thread 'emulation' frame
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@@ -63,8 +66,14 @@
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  *
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  * Return: True if a frame was freed, else false.
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  */
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+#ifdef CONFIG_MIPS_FP_SUPPORT
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 extern bool dsemul_thread_cleanup(struct task_struct *tsk);
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-
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+#else
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+static inline bool dsemul_thread_cleanup(struct task_struct *tsk)
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+{
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+	return false;
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+}
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+#endif
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 /**
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  * dsemul_thread_rollback() - Rollback from an 'emulation' frame
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  * @regs:	User thread register context.
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  *
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  * Return: True if a frame was exited, else false.
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  */
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+#ifdef CONFIG_MIPS_FP_SUPPORT
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 extern bool dsemul_thread_rollback(struct pt_regs *regs);
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+#else
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+static inline bool dsemul_thread_rollback(struct pt_regs *regs)
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+{
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+	return false;
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+}
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+#endif
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 /**
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  * dsemul_mm_cleanup() - Cleanup per-mm delay slot 'emulation' state
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  * for delay slot 'emulation' book-keeping is freed. This is to be called
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  * before @mm is freed in order to avoid memory leaks.
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  */
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+#ifdef CONFIG_MIPS_FP_SUPPORT
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 extern void dsemul_mm_cleanup(struct mm_struct *mm);
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+#else
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+static inline void dsemul_mm_cleanup(struct mm_struct *mm)
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+{
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+	/* no-op */
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+}
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+#endif
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 #endif /* __MIPS_ASM_DSEMUL_H__ */