patch-2.1.9 linux/include/asm-sparc/segment.h

• Lines: 139
• Date: Sat Nov 9 10:30:03 1996
• Orig file: v2.1.8/linux/include/asm-sparc/segment.h
• Orig date: Sun Apr 21 12:30:34 1996

diff -u --recursive --new-file v2.1.8/linux/include/asm-sparc/segment.h linux/include/asm-sparc/segment.h
@@ -1,134 +1,6 @@
-/* $Id: segment.h,v 1.10 1996/03/08 01:19:38 miguel Exp $ */
-#ifndef _ASM_SEGMENT_H
-#define _ASM_SEGMENT_H
+#ifndef __SPARC_SEGMENT_H
+#define __SPARC_SEGMENT_H
 
-#ifdef __KERNEL__
-#include <asm/vac-ops.h>
-#endif
-
-#ifndef __ASSEMBLY__
-
-/*
- * Uh, these should become the main single-value transfer routines..
- * They automatically use the right size if we just have the right
- * pointer type..
- */
-#define put_user(x,ptr) __put_user((unsigned long)(x),(ptr),sizeof(*(ptr)))
-#define get_user(ptr) ((__typeof__(*(ptr)))__get_user((ptr),sizeof(*(ptr))))
-
-/*
- * This is a silly but good way to make sure that
- * the __put_user function is indeed always optimized,
- * and that we use the correct sizes..
- */
-extern int bad_user_access_length(void);
-
-/* I should make this use unaligned transfers etc.. */
-static inline void __put_user(unsigned long x, void * y, int size)
-{
-	switch (size) {
-		case 1:
-			*(char *) y = x;
-			break;
-		case 2:
-			*(short *) y = x;
-			break;
-		case 4:
-			*(int *) y = x;
-			break;
-		default:
-			bad_user_access_length();
-	}
-}
-
-/* I should make this use unaligned transfers etc.. */
-static inline unsigned long __get_user(const void * y, int size)
-{
-	switch (size) {
-		case 1:
-			return *(unsigned char *) y;
-		case 2:
-			return *(unsigned short *) y;
-		case 4:
-			return *(unsigned int *) y;
-		default:
-			return bad_user_access_length();
-	}
-}
-
-/*
- * Deprecated routines
- */
-
-static inline unsigned char get_user_byte(const char * addr)
-{
-	return *addr;
-}
-
-#define get_fs_byte(addr) get_user_byte((char *)(addr))
-
-static inline unsigned short get_user_word(const short *addr)
-{
-	return *addr;
-}
-
-#define get_fs_word(addr) get_user_word((short *)(addr))
-
-static inline unsigned long get_user_long(const int *addr)
-{
-	return *addr;
-}
-
-#define get_fs_long(addr) get_user_long((int *)(addr))
-
-static inline void put_user_byte(char val,char *addr)
-{
-	*addr = val;
-}
+/* Only here because we have some old header files that expect it.. */
 
-#define put_fs_byte(x,addr) put_user_byte((x),(char *)(addr))
-
-static inline void put_user_word(short val,short * addr)
-{
-	*addr = val;
-}
-
-#define put_fs_word(x,addr) put_user_word((x),(short *)(addr))
-
-static inline void put_user_long(unsigned long val,int * addr)
-{
-	*addr = val;
-}
-
-#define put_fs_long(x,addr) put_user_long((x),(int *)(addr))
-
-#define memcpy_fromfs(to, from, n) memcpy((to),(from),(n))
-
-#define memcpy_tofs(to, from, n) memcpy((to),(from),(n))
-
-/* Sparc is not segmented, however we need to be able to fool verify_area()
- * when doing system calls from kernel mode legitimately.
- */
-#define KERNEL_DS   0
-#define USER_DS     1
-
-extern int active_ds;
-
-static inline int get_fs(void)
-{
-	return active_ds;
-}
-
-static inline int get_ds(void)
-{
-	return KERNEL_DS;
-}
-
-static inline void set_fs(int val)
-{
-	active_ds = val;
-}
-
-#endif  /* __ASSEMBLY__ */
-
-#endif /* _ASM_SEGMENT_H */
+#endif