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-rw-r--r--include/asm-m68k/auxvec.h4
-rw-r--r--include/asm-m68k/cacheflush.h31
-rw-r--r--include/asm-m68k/fcntl.h78
-rw-r--r--include/asm-m68k/futex.h53
-rw-r--r--include/asm-m68k/hdreg.h1
-rw-r--r--include/asm-m68k/page.h16
-rw-r--r--include/asm-m68k/string.h403
-rw-r--r--include/asm-m68k/types.h2
-rw-r--r--include/asm-m68k/uaccess.h6
9 files changed, 85 insertions, 509 deletions
diff --git a/include/asm-m68k/auxvec.h b/include/asm-m68k/auxvec.h
new file mode 100644
index 000000000000..844d6d52204b
--- /dev/null
+++ b/include/asm-m68k/auxvec.h
@@ -0,0 +1,4 @@
+#ifndef __ASMm68k_AUXVEC_H
+#define __ASMm68k_AUXVEC_H
+
+#endif
diff --git a/include/asm-m68k/cacheflush.h b/include/asm-m68k/cacheflush.h
index e4773946f10d..8aba971b1368 100644
--- a/include/asm-m68k/cacheflush.h
+++ b/include/asm-m68k/cacheflush.h
@@ -130,20 +130,25 @@ static inline void __flush_page_to_ram(void *vaddr)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_icache_page(vma, page) __flush_page_to_ram(page_address(page))
-#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
-
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
- do { \
- flush_cache_page(vma, vaddr, page_to_pfn(page));\
- memcpy(dst, src, len); \
- } while (0)
-
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
- do { \
- flush_cache_page(vma, vaddr, page_to_pfn(page));\
- memcpy(dst, src, len); \
- } while (0)
+extern void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
+ unsigned long addr, int len);
extern void flush_icache_range(unsigned long address, unsigned long endaddr);
+static inline void copy_to_user_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vaddr,
+ void *dst, void *src, int len)
+{
+ flush_cache_page(vma, vaddr, page_to_pfn(page));
+ memcpy(dst, src, len);
+ flush_icache_user_range(vma, page, vaddr, len);
+}
+static inline void copy_from_user_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vaddr,
+ void *dst, void *src, int len)
+{
+ flush_cache_page(vma, vaddr, page_to_pfn(page));
+ memcpy(dst, src, len);
+}
+
#endif /* _M68K_CACHEFLUSH_H */
diff --git a/include/asm-m68k/fcntl.h b/include/asm-m68k/fcntl.h
index 0d4212983a33..1c369b20dc45 100644
--- a/include/asm-m68k/fcntl.h
+++ b/include/asm-m68k/fcntl.h
@@ -1,87 +1,11 @@
#ifndef _M68K_FCNTL_H
#define _M68K_FCNTL_H
-/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
- located on an ext2 file system */
-#define O_ACCMODE 0003
-#define O_RDONLY 00
-#define O_WRONLY 01
-#define O_RDWR 02
-#define O_CREAT 0100 /* not fcntl */
-#define O_EXCL 0200 /* not fcntl */
-#define O_NOCTTY 0400 /* not fcntl */
-#define O_TRUNC 01000 /* not fcntl */
-#define O_APPEND 02000
-#define O_NONBLOCK 04000
-#define O_NDELAY O_NONBLOCK
-#define O_SYNC 010000
-#define FASYNC 020000 /* fcntl, for BSD compatibility */
#define O_DIRECTORY 040000 /* must be a directory */
#define O_NOFOLLOW 0100000 /* don't follow links */
#define O_DIRECT 0200000 /* direct disk access hint - currently ignored */
#define O_LARGEFILE 0400000
-#define O_NOATIME 01000000
-#define F_DUPFD 0 /* dup */
-#define F_GETFD 1 /* get close_on_exec */
-#define F_SETFD 2 /* set/clear close_on_exec */
-#define F_GETFL 3 /* get file->f_flags */
-#define F_SETFL 4 /* set file->f_flags */
-#define F_GETLK 5
-#define F_SETLK 6
-#define F_SETLKW 7
+#include <asm-generic/fcntl.h>
-#define F_SETOWN 8 /* for sockets. */
-#define F_GETOWN 9 /* for sockets. */
-#define F_SETSIG 10 /* for sockets. */
-#define F_GETSIG 11 /* for sockets. */
-
-#define F_GETLK64 12 /* using 'struct flock64' */
-#define F_SETLK64 13
-#define F_SETLKW64 14
-
-/* for F_[GET|SET]FL */
-#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
-
-/* for posix fcntl() and lockf() */
-#define F_RDLCK 0
-#define F_WRLCK 1
-#define F_UNLCK 2
-
-/* for old implementation of bsd flock () */
-#define F_EXLCK 4 /* or 3 */
-#define F_SHLCK 8 /* or 4 */
-
-/* for leases */
-#define F_INPROGRESS 16
-
-/* operations for bsd flock(), also used by the kernel implementation */
-#define LOCK_SH 1 /* shared lock */
-#define LOCK_EX 2 /* exclusive lock */
-#define LOCK_NB 4 /* or'd with one of the above to prevent
- blocking */
-#define LOCK_UN 8 /* remove lock */
-
-#define LOCK_MAND 32 /* This is a mandatory flock */
-#define LOCK_READ 64 /* ... Which allows concurrent read operations */
-#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
-#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
-
-struct flock {
- short l_type;
- short l_whence;
- off_t l_start;
- off_t l_len;
- pid_t l_pid;
-};
-
-struct flock64 {
- short l_type;
- short l_whence;
- loff_t l_start;
- loff_t l_len;
- pid_t l_pid;
-};
-
-#define F_LINUX_SPECIFIC_BASE 1024
#endif /* _M68K_FCNTL_H */
diff --git a/include/asm-m68k/futex.h b/include/asm-m68k/futex.h
new file mode 100644
index 000000000000..2cac5ecd9d00
--- /dev/null
+++ b/include/asm-m68k/futex.h
@@ -0,0 +1,53 @@
+#ifndef _ASM_FUTEX_H
+#define _ASM_FUTEX_H
+
+#ifdef __KERNEL__
+
+#include <linux/futex.h>
+#include <asm/errno.h>
+#include <asm/uaccess.h>
+
+static inline int
+futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
+{
+ int op = (encoded_op >> 28) & 7;
+ int cmp = (encoded_op >> 24) & 15;
+ int oparg = (encoded_op << 8) >> 20;
+ int cmparg = (encoded_op << 20) >> 20;
+ int oldval = 0, ret, tem;
+ if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
+ oparg = 1 << oparg;
+
+ if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
+ return -EFAULT;
+
+ inc_preempt_count();
+
+ switch (op) {
+ case FUTEX_OP_SET:
+ case FUTEX_OP_ADD:
+ case FUTEX_OP_OR:
+ case FUTEX_OP_ANDN:
+ case FUTEX_OP_XOR:
+ default:
+ ret = -ENOSYS;
+ }
+
+ dec_preempt_count();
+
+ if (!ret) {
+ switch (cmp) {
+ case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
+ case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
+ case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
+ case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
+ case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
+ case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
+ default: ret = -ENOSYS;
+ }
+ }
+ return ret;
+}
+
+#endif
+#endif
diff --git a/include/asm-m68k/hdreg.h b/include/asm-m68k/hdreg.h
deleted file mode 100644
index 5989bbc97cbf..000000000000
--- a/include/asm-m68k/hdreg.h
+++ /dev/null
@@ -1 +0,0 @@
-#warning this file is obsolete, please do not use it
diff --git a/include/asm-m68k/page.h b/include/asm-m68k/page.h
index 206313e2a817..f206dfbc1d48 100644
--- a/include/asm-m68k/page.h
+++ b/include/asm-m68k/page.h
@@ -107,20 +107,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
/* to align the pointer to the (next) page boundary */
#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
-/* Pure 2^n version of get_order */
-static inline int get_order(unsigned long size)
-{
- int order;
-
- size = (size-1) >> (PAGE_SHIFT-1);
- order = -1;
- do {
- size >>= 1;
- order++;
- } while (size);
- return order;
-}
-
#endif /* !__ASSEMBLY__ */
#include <asm/page_offset.h>
@@ -192,4 +178,6 @@ static inline void *__va(unsigned long x)
#endif /* __KERNEL__ */
+#include <asm-generic/page.h>
+
#endif /* _M68K_PAGE_H */
diff --git a/include/asm-m68k/string.h b/include/asm-m68k/string.h
index 44def078132a..6c59215b285e 100644
--- a/include/asm-m68k/string.h
+++ b/include/asm-m68k/string.h
@@ -80,43 +80,6 @@ static inline char * strchr(const char * s, int c)
return( (char *) s);
}
-#if 0
-#define __HAVE_ARCH_STRPBRK
-static inline char *strpbrk(const char *cs,const char *ct)
-{
- const char *sc1,*sc2;
-
- for( sc1 = cs; *sc1 != '\0'; ++sc1)
- for( sc2 = ct; *sc2 != '\0'; ++sc2)
- if (*sc1 == *sc2)
- return((char *) sc1);
- return( NULL );
-}
-#endif
-
-#if 0
-#define __HAVE_ARCH_STRSPN
-static inline size_t strspn(const char *s, const char *accept)
-{
- const char *p;
- const char *a;
- size_t count = 0;
-
- for (p = s; *p != '\0'; ++p)
- {
- for (a = accept; *a != '\0'; ++a)
- if (*p == *a)
- break;
- if (*a == '\0')
- return count;
- else
- ++count;
- }
-
- return count;
-}
-#endif
-
/* strstr !! */
#define __HAVE_ARCH_STRLEN
@@ -173,370 +136,18 @@ static inline int strncmp(const char * cs,const char * ct,size_t count)
}
#define __HAVE_ARCH_MEMSET
-/*
- * This is really ugly, but its highly optimizatiable by the
- * compiler and is meant as compensation for gcc's missing
- * __builtin_memset(). For the 680[23]0 it might be worth considering
- * the optimal number of misaligned writes compared to the number of
- * tests'n'branches needed to align the destination address. The
- * 680[46]0 doesn't really care due to their copy-back caches.
- * 10/09/96 - Jes Sorensen
- */
-static inline void * __memset_g(void * s, int c, size_t count)
-{
- void *xs = s;
- size_t temp;
-
- if (!count)
- return xs;
-
- c &= 0xff;
- c |= c << 8;
- c |= c << 16;
-
- if (count < 36){
- long *ls = s;
-
- switch(count){
- case 32: case 33: case 34: case 35:
- *ls++ = c;
- case 28: case 29: case 30: case 31:
- *ls++ = c;
- case 24: case 25: case 26: case 27:
- *ls++ = c;
- case 20: case 21: case 22: case 23:
- *ls++ = c;
- case 16: case 17: case 18: case 19:
- *ls++ = c;
- case 12: case 13: case 14: case 15:
- *ls++ = c;
- case 8: case 9: case 10: case 11:
- *ls++ = c;
- case 4: case 5: case 6: case 7:
- *ls++ = c;
- break;
- default:
- break;
- }
- s = ls;
- if (count & 0x02){
- short *ss = s;
- *ss++ = c;
- s = ss;
- }
- if (count & 0x01){
- char *cs = s;
- *cs++ = c;
- s = cs;
- }
- return xs;
- }
-
- if ((long) s & 1)
- {
- char *cs = s;
- *cs++ = c;
- s = cs;
- count--;
- }
- if (count > 2 && (long) s & 2)
- {
- short *ss = s;
- *ss++ = c;
- s = ss;
- count -= 2;
- }
- temp = count >> 2;
- if (temp)
- {
- long *ls = s;
- temp--;
- do
- *ls++ = c;
- while (temp--);
- s = ls;
- }
- if (count & 2)
- {
- short *ss = s;
- *ss++ = c;
- s = ss;
- }
- if (count & 1)
- {
- char *cs = s;
- *cs = c;
- }
- return xs;
-}
-
-/*
- * __memset_page assumes that data is longword aligned. Most, if not
- * all, of these page sized memsets are performed on page aligned
- * areas, thus we do not need to check if the destination is longword
- * aligned. Of course we suffer a serious performance loss if this is
- * not the case but I think the risk of this ever happening is
- * extremely small. We spend a lot of time clearing pages in
- * get_empty_page() so I think it is worth it anyway. Besides, the
- * 680[46]0 do not really care about misaligned writes due to their
- * copy-back cache.
- *
- * The optimized case for the 680[46]0 is implemented using the move16
- * instruction. My tests showed that this implementation is 35-45%
- * faster than the original implementation using movel, the only
- * caveat is that the destination address must be 16-byte aligned.
- * 01/09/96 - Jes Sorensen
- */
-static inline void * __memset_page(void * s,int c,size_t count)
-{
- unsigned long data, tmp;
- void *xs = s;
-
- c = c & 255;
- data = c | (c << 8);
- data |= data << 16;
-
-#ifdef CPU_M68040_OR_M68060_ONLY
-
- if (((unsigned long) s) & 0x0f)
- __memset_g(s, c, count);
- else{
- unsigned long *sp = s;
- *sp++ = data;
- *sp++ = data;
- *sp++ = data;
- *sp++ = data;
-
- __asm__ __volatile__("1:\t"
- ".chip 68040\n\t"
- "move16 %2@+,%0@+\n\t"
- ".chip 68k\n\t"
- "subqw #8,%2\n\t"
- "subqw #8,%2\n\t"
- "dbra %1,1b\n\t"
- : "=a" (sp), "=d" (tmp)
- : "a" (s), "0" (sp), "1" ((count - 16) / 16 - 1)
- );
- }
-
-#else
- __asm__ __volatile__("1:\t"
- "movel %2,%0@+\n\t"
- "movel %2,%0@+\n\t"
- "movel %2,%0@+\n\t"
- "movel %2,%0@+\n\t"
- "movel %2,%0@+\n\t"
- "movel %2,%0@+\n\t"
- "movel %2,%0@+\n\t"
- "movel %2,%0@+\n\t"
- "dbra %1,1b\n\t"
- : "=a" (s), "=d" (tmp)
- : "d" (data), "0" (s), "1" (count / 32 - 1)
- );
-#endif
-
- return xs;
-}
-
-extern void *memset(void *,int,__kernel_size_t);
-
-#define __memset_const(s,c,count) \
-((count==PAGE_SIZE) ? \
- __memset_page((s),(c),(count)) : \
- __memset_g((s),(c),(count)))
-
-#define memset(s, c, count) \
-(__builtin_constant_p(count) ? \
- __memset_const((s),(c),(count)) : \
- __memset_g((s),(c),(count)))
+extern void *memset(void *, int, __kernel_size_t);
+#define memset(d, c, n) __builtin_memset(d, c, n)
#define __HAVE_ARCH_MEMCPY
-extern void * memcpy(void *, const void *, size_t );
-/*
- * __builtin_memcpy() does not handle page-sized memcpys very well,
- * thus following the same assumptions as for page-sized memsets, this
- * function copies page-sized areas using an unrolled loop, without
- * considering alignment.
- *
- * For the 680[46]0 only kernels we use the move16 instruction instead
- * as it writes through the data-cache, invalidating the cache-lines
- * touched. In this way we do not use up the entire data-cache (well,
- * half of it on the 68060) by copying a page. An unrolled loop of two
- * move16 instructions seem to the fastest. The only caveat is that
- * both source and destination must be 16-byte aligned, if not we fall
- * back to the generic memcpy function. - Jes
- */
-static inline void * __memcpy_page(void * to, const void * from, size_t count)
-{
- unsigned long tmp;
- void *xto = to;
-
-#ifdef CPU_M68040_OR_M68060_ONLY
-
- if (((unsigned long) to | (unsigned long) from) & 0x0f)
- return memcpy(to, from, count);
-
- __asm__ __volatile__("1:\t"
- ".chip 68040\n\t"
- "move16 %1@+,%0@+\n\t"
- "move16 %1@+,%0@+\n\t"
- ".chip 68k\n\t"
- "dbra %2,1b\n\t"
- : "=a" (to), "=a" (from), "=d" (tmp)
- : "0" (to), "1" (from) , "2" (count / 32 - 1)
- );
-#else
- __asm__ __volatile__("1:\t"
- "movel %1@+,%0@+\n\t"
- "movel %1@+,%0@+\n\t"
- "movel %1@+,%0@+\n\t"
- "movel %1@+,%0@+\n\t"
- "movel %1@+,%0@+\n\t"
- "movel %1@+,%0@+\n\t"
- "movel %1@+,%0@+\n\t"
- "movel %1@+,%0@+\n\t"
- "dbra %2,1b\n\t"
- : "=a" (to), "=a" (from), "=d" (tmp)
- : "0" (to), "1" (from) , "2" (count / 32 - 1)
- );
-#endif
- return xto;
-}
-
-#define __memcpy_const(to, from, n) \
-((n==PAGE_SIZE) ? \
- __memcpy_page((to),(from),(n)) : \
- __builtin_memcpy((to),(from),(n)))
-
-#define memcpy(to, from, n) \
-(__builtin_constant_p(n) ? \
- __memcpy_const((to),(from),(n)) : \
- memcpy((to),(from),(n)))
+extern void *memcpy(void *, const void *, __kernel_size_t);
+#define memcpy(d, s, n) __builtin_memcpy(d, s, n)
#define __HAVE_ARCH_MEMMOVE
-static inline void * memmove(void * dest,const void * src, size_t n)
-{
- void *xdest = dest;
- size_t temp;
-
- if (!n)
- return xdest;
-
- if (dest < src)
- {
- if ((long) dest & 1)
- {
- char *cdest = dest;
- const char *csrc = src;
- *cdest++ = *csrc++;
- dest = cdest;
- src = csrc;
- n--;
- }
- if (n > 2 && (long) dest & 2)
- {
- short *sdest = dest;
- const short *ssrc = src;
- *sdest++ = *ssrc++;
- dest = sdest;
- src = ssrc;
- n -= 2;
- }
- temp = n >> 2;
- if (temp)
- {
- long *ldest = dest;
- const long *lsrc = src;
- temp--;
- do
- *ldest++ = *lsrc++;
- while (temp--);
- dest = ldest;
- src = lsrc;
- }
- if (n & 2)
- {
- short *sdest = dest;
- const short *ssrc = src;
- *sdest++ = *ssrc++;
- dest = sdest;
- src = ssrc;
- }
- if (n & 1)
- {
- char *cdest = dest;
- const char *csrc = src;
- *cdest = *csrc;
- }
- }
- else
- {
- dest = (char *) dest + n;
- src = (const char *) src + n;
- if ((long) dest & 1)
- {
- char *cdest = dest;
- const char *csrc = src;
- *--cdest = *--csrc;
- dest = cdest;
- src = csrc;
- n--;
- }
- if (n > 2 && (long) dest & 2)
- {
- short *sdest = dest;
- const short *ssrc = src;
- *--sdest = *--ssrc;
- dest = sdest;
- src = ssrc;
- n -= 2;
- }
- temp = n >> 2;
- if (temp)
- {
- long *ldest = dest;
- const long *lsrc = src;
- temp--;
- do
- *--ldest = *--lsrc;
- while (temp--);
- dest = ldest;
- src = lsrc;
- }
- if (n & 2)
- {
- short *sdest = dest;
- const short *ssrc = src;
- *--sdest = *--ssrc;
- dest = sdest;
- src = ssrc;
- }
- if (n & 1)
- {
- char *cdest = dest;
- const char *csrc = src;
- *--cdest = *--csrc;
- }
- }
- return xdest;
-}
+extern void *memmove(void *, const void *, __kernel_size_t);
#define __HAVE_ARCH_MEMCMP
-extern int memcmp(const void * ,const void * ,size_t );
-#define memcmp(cs, ct, n) \
-(__builtin_constant_p(n) ? \
- __builtin_memcmp((cs),(ct),(n)) : \
- memcmp((cs),(ct),(n)))
-
-#define __HAVE_ARCH_MEMCHR
-static inline void *memchr(const void *cs, int c, size_t count)
-{
- /* Someone else can optimize this, I don't care - tonym@mac.linux-m68k.org */
- unsigned char *ret = (unsigned char *)cs;
- for(;count>0;count--,ret++)
- if(*ret == c) return ret;
-
- return NULL;
-}
+extern int memcmp(const void *, const void *, __kernel_size_t);
+#define memcmp(d, s, n) __builtin_memcmp(d, s, n)
#endif /* _M68K_STRING_H_ */
diff --git a/include/asm-m68k/types.h b/include/asm-m68k/types.h
index f391cbe39b96..b5a1febc97d4 100644
--- a/include/asm-m68k/types.h
+++ b/include/asm-m68k/types.h
@@ -60,8 +60,6 @@ typedef unsigned long long u64;
typedef u32 dma_addr_t;
typedef u32 dma64_addr_t;
-typedef unsigned short kmem_bufctl_t;
-
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
diff --git a/include/asm-m68k/uaccess.h b/include/asm-m68k/uaccess.h
index 605e6cb811f8..f5cedf19cf68 100644
--- a/include/asm-m68k/uaccess.h
+++ b/include/asm-m68k/uaccess.h
@@ -14,12 +14,6 @@
/* We let the MMU do all checking */
#define access_ok(type,addr,size) 1
-/* this function will go away soon - use access_ok() instead */
-static inline int __deprecated verify_area(int type, const void *addr, unsigned long size)
-{
- return access_ok(type,addr,size) ? 0 : -EFAULT;
-}
-
/*
* 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
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-20 23:20:10 +0300