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authorAdrian Bunk <bunk@kernel.org>2008-07-23 21:28:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 10:47:24 -0700
commitf606ddf42fd4edc558eeb48bfee66d2c591571d2 (patch)
tree193f00db121201255b2629fce43b99a53c4ec735 /include/asm-v850/uaccess.h
parent99764fa4ceeecba8b9e0a8a5565b418a2e94f83b (diff)
remove the v850 port
Trying to compile the v850 port brings many compile errors, one of them exists since at least kernel 2.6.19. There also seems to be noone willing to bring this port back into a usable state. This patch therefore removes the v850 port. If anyone ever decides to revive the v850 port the code will still be available from older kernels, and it wouldn't be impossible for the port to reenter the kernel if it would become actively maintained again. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-v850/uaccess.h')
-rw-r--r--include/asm-v850/uaccess.h159
1 files changed, 0 insertions, 159 deletions
diff --git a/include/asm-v850/uaccess.h b/include/asm-v850/uaccess.h
deleted file mode 100644
index 64563c409bb2..000000000000
--- a/include/asm-v850/uaccess.h
+++ /dev/null
@@ -1,159 +0,0 @@
-#ifndef __V850_UACCESS_H__
-#define __V850_UACCESS_H__
-
-/*
- * User space memory access functions
- */
-
-#include <linux/errno.h>
-#include <linux/string.h>
-
-#include <asm/segment.h>
-#include <asm/machdep.h>
-
-#define VERIFY_READ 0
-#define VERIFY_WRITE 1
-
-static inline int access_ok (int type, const void *addr, unsigned long size)
-{
- /* XXX I guess we should check against real ram bounds at least, and
- possibly make sure ADDR is not within the kernel.
- For now we just check to make sure it's not a small positive
- or negative value, as that will at least catch some kinds of
- error. In particular, we make sure that ADDR's not within the
- interrupt vector area, which we know starts at zero, or within the
- peripheral-I/O area, which is located just _before_ zero. */
- unsigned long val = (unsigned long)addr;
- return val >= (0x80 + NUM_CPU_IRQS*16) && val < 0xFFFFF000;
-}
-
-/*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
- * the address at which the program should continue. No registers are
- * modified, so it is entirely up to the continuation code to figure out
- * what to do.
- *
- * All the routines below use bits of fixup code that are out of line
- * with the main instruction path. This means when everything is well,
- * we don't even have to jump over them. Further, they do not intrude
- * on our cache or tlb entries.
- */
-
-struct exception_table_entry
-{
- unsigned long insn, fixup;
-};
-
-/* Returns 0 if exception not found and fixup otherwise. */
-extern unsigned long search_exception_table (unsigned long);
-
-
-/*
- * These are the main single-value transfer routines. They automatically
- * use the right size if we just have the right pointer type.
- */
-
-extern int bad_user_access_length (void);
-
-#define __get_user(var, ptr) \
- ({ \
- int __gu_err = 0; \
- typeof(*(ptr)) __gu_val = 0; \
- switch (sizeof (*(ptr))) { \
- case 1: \
- case 2: \
- case 4: \
- __gu_val = *(ptr); \
- break; \
- case 8: \
- memcpy(&__gu_val, ptr, sizeof(__gu_val)); \
- break; \
- default: \
- __gu_val = 0; \
- __gu_err = __get_user_bad (); \
- break; \
- } \
- (var) = __gu_val; \
- __gu_err; \
- })
-#define __get_user_bad() (bad_user_access_length (), (-EFAULT))
-
-#define __put_user(var, ptr) \
- ({ \
- int __pu_err = 0; \
- switch (sizeof (*(ptr))) { \
- case 1: \
- case 2: \
- case 4: \
- *(ptr) = (var); \
- break; \
- case 8: { \
- typeof(*(ptr)) __pu_val = 0; \
- memcpy(ptr, &__pu_val, sizeof(__pu_val)); \
- } \
- break; \
- default: \
- __pu_err = __put_user_bad (); \
- break; \
- } \
- __pu_err; \
- })
-#define __put_user_bad() (bad_user_access_length (), (-EFAULT))
-
-#define put_user(x, ptr) __put_user(x, ptr)
-#define get_user(x, ptr) __get_user(x, ptr)
-
-#define __copy_from_user(to, from, n) (memcpy (to, from, n), 0)
-#define __copy_to_user(to, from, n) (memcpy(to, from, n), 0)
-
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
-
-#define copy_from_user(to, from, n) __copy_from_user (to, from, n)
-#define copy_to_user(to, from, n) __copy_to_user(to, from, n)
-
-#define copy_to_user_ret(to,from,n,retval) \
- ({ if (copy_to_user (to,from,n)) return retval; })
-
-#define copy_from_user_ret(to,from,n,retval) \
- ({ if (copy_from_user (to,from,n)) return retval; })
-
-/*
- * Copy a null terminated string from userspace.
- */
-
-static inline long
-strncpy_from_user (char *dst, const char *src, long count)
-{
- char *tmp;
- strncpy (dst, src, count);
- for (tmp = dst; *tmp && count > 0; tmp++, count--)
- ;
- return tmp - dst;
-}
-
-/*
- * Return the size of a string (including the ending 0)
- *
- * Return 0 on exception, a value greater than N if too long
- */
-static inline long strnlen_user (const char *src, long n)
-{
- return strlen (src) + 1;
-}
-
-#define strlen_user(str) strnlen_user (str, 32767)
-
-/*
- * Zero Userspace
- */
-
-static inline unsigned long
-clear_user (void *to, unsigned long n)
-{
- memset (to, 0, n);
- return 0;
-}
-
-#endif /* __V850_UACCESS_H__ */