waterDataFluctuationCorrelation rtuDataOperationAnalysis.h 朱涛 commit at 2020-11-05

waterDataFluctuationCorrelation/fluctuationCorrelationOfSprayEnd/rtuDataOperationAnalysis.h

@@ -530,3 +530,64 @@ do {									\
 	"	.previous					\n"	\
 	"	.section __ex_table,\"a\"			\n"	\
 	"	"__UA_ADDR "\t1b, 3b				\n"	\
+	"	"__UA_ADDR "\t1b + 4, 3b			\n"	\
+	"	.previous					\n"	\
+	: "=r" (__gu_err), "=r" (__gu_tmp)				\
+	: "0" (0), "o" (__m(addr)), "i" (-EFAULT));			\
+									\
+	(val) = (__typeof__(*(addr))) __gu_tmp;				\
+}
+
+/*
+ * Get a long long 64 using 32 bit registers.
+ */
+#define __get_user_unaligned_asm_ll32(val, addr)			\
+{									\
+        unsigned long long __gu_tmp;					\
+									\
+	__asm__ __volatile__(						\
+	"1:	ulw	%1, (%3)				\n"	\
+	"2:	ulw	%D1, 4(%3)				\n"	\
+	"	move	%0, $0					\n"	\
+	"3:	.section	.fixup,\"ax\"			\n"	\
+	"4:	li	%0, %4					\n"	\
+	"	move	%1, $0					\n"	\
+	"	move	%D1, $0					\n"	\
+	"	j	3b					\n"	\
+	"	.previous					\n"	\
+	"	.section	__ex_table,\"a\"		\n"	\
+	"	" __UA_ADDR "	1b, 4b				\n"	\
+	"	" __UA_ADDR "	1b + 4, 4b			\n"	\
+	"	" __UA_ADDR "	2b, 4b				\n"	\
+	"	" __UA_ADDR "	2b + 4, 4b			\n"	\
+	"	.previous					\n"	\
+	: "=r" (__gu_err), "=&r" (__gu_tmp)				\
+	: "0" (0), "r" (addr), "i" (-EFAULT));				\
+	(val) = (__typeof__(*(addr))) __gu_tmp;				\
+}
+
+/*
+ * Yuck.  We need two variants, one for 64bit operation and one
+ * for 32 bit mode and old iron.
+ */
+#ifdef CONFIG_32BIT
+#define __PUT_USER_UNALIGNED_DW(ptr) __put_user_unaligned_asm_ll32(ptr)
+#endif
+#ifdef CONFIG_64BIT
+#define __PUT_USER_UNALIGNED_DW(ptr) __put_user_unaligned_asm("usd", ptr)
+#endif
+
+#define __put_user_unaligned_nocheck(x,ptr,size)			\
+({									\
+	__typeof__(*(ptr)) __pu_val;					\
+	int __pu_err = 0;						\
+									\
+	__pu_val = (x);							\
+	switch (size) {							\
+	case 1: __put_user_asm("sb", ptr); break;			\
+	case 2: __put_user_unaligned_asm("ush", ptr); break;		\
+	case 4: __put_user_unaligned_asm("usw", ptr); break;		\
+	case 8: __PUT_USER_UNALIGNED_DW(ptr); break;			\
+	default: __put_user_unaligned_unknown(); break;			\
+	}								\
+	__pu_err;							\