patch-2.3.99-pre4 linux/include/asm-sh/checksum.h

• Lines: 141
• Date: Mon Mar 27 10:26:15 2000
• Orig file: v2.3.99-pre3/linux/include/asm-sh/checksum.h
• Orig date: Tue Feb 1 01:35:44 2000

diff -u --recursive --new-file v2.3.99-pre3/linux/include/asm-sh/checksum.h linux/include/asm-sh/checksum.h
@@ -55,24 +55,6 @@
 	return csum_partial_copy_generic ( src, dst, len, sum, err_ptr, NULL);
 }
 
-#if 0
-
-/* Not used at the moment. It is difficult to imagine for what purpose
-   it can be used :-) Please, do not forget to verify_area before it --ANK
- */
-
-/*
- * This combination is currently not used, but possible:
- */
-
-extern __inline__
-unsigned int csum_partial_copy_to_user ( const char *src, char *dst,
-					int len, int sum, int *err_ptr)
-{
-	return csum_partial_copy_generic ( src, dst, len, sum, NULL, err_ptr);
-}
-#endif
-
 /*
  * These are the old (and unsafe) way of doing checksums, a warning message will be
  * printed if they are used and an exeption occurs.
@@ -91,12 +73,12 @@
 {
 	unsigned int __dummy;
 	__asm__("clrt\n\t"
-		"mov	%0,%1\n\t"
+		"mov	%0, %1\n\t"
 		"shll16	%0\n\t"
-		"addc	%0,%1\n\t"
+		"addc	%0, %1\n\t"
 		"movt	%0\n\t"
 		"shlr16	%1\n\t"
-		"add	%1,%0"
+		"add	%1, %0"
 		: "=r" (sum), "=&r" (__dummy)
 		: "0" (sum));
 	return ~sum;
@@ -114,24 +96,24 @@
 	unsigned int sum, __dummy;
 
 	__asm__ __volatile__(
-		"mov.l	@%1+,%0\n\t"
-		"add	#-4,%2\n\t"
+		"mov.l	@%1+, %0\n\t"
+		"add	#-4, %2\n\t"
 		"clrt\n\t"
-		"mov.l	@%1+,%3\n\t"
-		"addc	%3,%0\n\t"
-		"mov.l	@%1+,%3\n\t"
-		"addc	%3,%0\n\t"
-		"mov.l	@%1+,%3\n\t"
-		"addc	%3,%0\n"
+		"mov.l	@%1+, %3\n\t"
+		"addc	%3, %0\n\t"
+		"mov.l	@%1+, %3\n\t"
+		"addc	%3, %0\n\t"
+		"mov.l	@%1+, %3\n\t"
+		"addc	%3, %0\n"
 		"1:\t"
-		"mov.l	@%1+,%3\n\t"
-		"addc	%3,%0\n\t"
+		"mov.l	@%1+, %3\n\t"
+		"addc	%3, %0\n\t"
 		"movt	%3\n\t"
 		"dt	%2\n\t"
 		"bf/s	1b\n\t"
-		" cmp/eq #1,%3\n\t"
-		"mov	#0,%3\n\t"
-		"addc	%3,%0\n\t"
+		" cmp/eq #1, %3\n\t"
+		"mov	#0, %3\n\t"
+		"addc	%3, %0\n\t"
 	/* Since the input registers which are loaded with iph and ihl
 	   are modified, we must also specify them as outputs, or gcc
 	   will assume they contain their original values. */
@@ -153,11 +135,11 @@
 	unsigned long len_proto = (proto<<16)+len;
 #endif
 	__asm__("clrt\n\t"
-		"addc	%0,%1\n\t"
-		"addc	%2,%1\n\t"
-		"addc	%3,%1\n\t"
+		"addc	%0, %1\n\t"
+		"addc	%2, %1\n\t"
+		"addc	%3, %1\n\t"
 		"movt	%0\n\t"
-		"add	%1,%0"
+		"add	%1, %0"
 		: "=r" (sum), "=r" (len_proto)
 		: "r" (daddr), "r" (saddr), "1" (len_proto), "0" (sum));
 	return sum;
@@ -195,26 +177,26 @@
 {
 	unsigned int __dummy;
 	__asm__("clrt\n\t"
-		"mov.l	@(0,%2),%1\n\t"
-		"addc	%1,%0\n\t"
-		"mov.l	@(4,%2),%1\n\t"
-		"addc	%1,%0\n\t"
-		"mov.l	@(8,%2),%1\n\t"
-		"addc	%1,%0\n\t"
-		"mov.l	@(12,%2),%1\n\t"
-		"addc	%1,%0\n\t"
-		"mov.l	@(0,%3),%1\n\t"
-		"addc	%1,%0\n\t"
-		"mov.l	@(4,%3),%1\n\t"
-		"addc	%1,%0\n\t"
-		"mov.l	@(8,%3),%1\n\t"
-		"addc	%1,%0\n\t"
-		"mov.l	@(12,%3),%1\n\t"
-		"addc	%1,%0\n\t"
-		"addc	%4,%0\n\t"
-		"addc	%5,%0\n\t"
+		"mov.l	@(0,%2), %1\n\t"
+		"addc	%1, %0\n\t"
+		"mov.l	@(4,%2), %1\n\t"
+		"addc	%1, %0\n\t"
+		"mov.l	@(8,%2), %1\n\t"
+		"addc	%1, %0\n\t"
+		"mov.l	@(12,%2), %1\n\t"
+		"addc	%1, %0\n\t"
+		"mov.l	@(0,%3), %1\n\t"
+		"addc	%1, %0\n\t"
+		"mov.l	@(4,%3), %1\n\t"
+		"addc	%1, %0\n\t"
+		"mov.l	@(8,%3), %1\n\t"
+		"addc	%1, %0\n\t"
+		"mov.l	@(12,%3), %1\n\t"
+		"addc	%1, %0\n\t"
+		"addc	%4, %0\n\t"
+		"addc	%5, %0\n\t"
 		"movt	%1\n\t"
-		"add	%1,%0\n"
+		"add	%1, %0\n"
 		: "=r" (sum), "=&r" (__dummy)
 		: "r" (saddr), "r" (daddr), 
 		  "r" (htonl(len)), "r" (htonl(proto)), "0" (sum));