add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/arch/arm/vfp/vfpinstr.h
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@@ -1,12 +1,9 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  *  linux/arch/arm/vfp/vfpinstr.h
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  *
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  *  Copyright (C) 2004 ARM Limited.
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  *  Written by Deep Blue Solutions Limited.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  *
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  * VFP instruction masks.
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  */
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@@ -65,10 +62,23 @@
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 #define FPSCR_C (1 << 29)
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 #define FPSCR_V	(1 << 28)
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-/*
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- * Since we aren't building with -mfpu=vfp, we need to code
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- * these instructions using their MRC/MCR equivalents.
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- */
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+#ifdef CONFIG_AS_VFP_VMRS_FPINST
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+
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+#define fmrx(_vfp_) ({			\
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+	u32 __v;			\
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+	asm(".fpu	vfpv2\n"	\
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+	    "vmrs	%0, " #_vfp_	\
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+	    : "=r" (__v) : : "cc");	\
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+	__v;				\
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+ })
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+
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+#define fmxr(_vfp_,_var_)		\
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+	asm(".fpu	vfpv2\n"	\
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+	    "vmsr	" #_vfp_ ", %0"	\
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+	   : : "r" (_var_) : "cc")
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+
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+#else
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+
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 #define vfpreg(_vfp_) #_vfp_
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 #define fmrx(_vfp_) ({			\
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@@ -82,6 +92,8 @@
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 	asm("mcr p10, 7, %0, " vfpreg(_vfp_) ", cr0, 0 @ fmxr	" #_vfp_ ", %0"	\
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 	   : : "r" (_var_) : "cc")
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+#endif
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+
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 u32 vfp_single_cpdo(u32 inst, u32 fpscr);
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 u32 vfp_single_cprt(u32 inst, u32 fpscr, struct pt_regs *regs);
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