161 lines
4.4 KiB
C
161 lines
4.4 KiB
C
/*
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* Copyright (C) 2007 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __KERNCOMPAT
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#define __KERNCOMPAT
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <endian.h>
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#include <byteswap.h>
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#define gfp_t int
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#define get_cpu_var(p) (p)
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#define __get_cpu_var(p) (p)
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#define BITS_PER_LONG (sizeof(long) * 8)
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#define __GFP_BITS_SHIFT 20
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#define __GFP_BITS_MASK ((int)((1 << __GFP_BITS_SHIFT) - 1))
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#define GFP_KERNEL 0
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#define GFP_NOFS 0
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#define __read_mostly
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#define ULONG_MAX (~0UL)
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#define BUG() abort()
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#ifdef __CHECKER__
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#define __force __attribute__((force))
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#define __bitwise__ __attribute__((bitwise))
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#else
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#define __force
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#define __bitwise__
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#endif
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#ifndef __CHECKER__
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#include <asm/types.h>
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typedef __u32 u32;
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typedef __u64 u64;
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typedef __u16 u16;
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typedef __u8 u8;
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#else
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typedef unsigned int u32;
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typedef unsigned int __u32;
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typedef unsigned long long u64;
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typedef unsigned char u8;
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typedef unsigned short u16;
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#endif
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struct vma_shared { int prio_tree_node; };
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struct vm_area_struct {
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unsigned long vm_pgoff;
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unsigned long vm_start;
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unsigned long vm_end;
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struct vma_shared shared;
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};
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struct page {
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unsigned long index;
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};
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#define preempt_enable() do { } while (0)
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#define preempt_disable() do { } while (0)
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#define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
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#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
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/**
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* __set_bit - Set a bit in memory
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* @nr: the bit to set
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* @addr: the address to start counting from
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*
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* Unlike set_bit(), this function is non-atomic and may be reordered.
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* If it's called on the same region of memory simultaneously, the effect
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* may be that only one operation succeeds.
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*/
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static inline void __set_bit(int nr, volatile unsigned long *addr)
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{
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unsigned long mask = BITOP_MASK(nr);
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unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
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*p |= mask;
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}
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static inline void __clear_bit(int nr, volatile unsigned long *addr)
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{
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unsigned long mask = BITOP_MASK(nr);
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unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
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*p &= ~mask;
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}
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/**
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* test_bit - Determine whether a bit is set
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* @nr: bit number to test
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* @addr: Address to start counting from
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*/
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static inline int test_bit(int nr, const volatile unsigned long *addr)
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{
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return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
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}
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#define BUG_ON(c) do { if (c) abort(); } while (0)
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#undef offsetof
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#ifdef __compiler_offsetof
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#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
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#else
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#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
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#endif
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#define container_of(ptr, type, member) ({ \
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const typeof( ((type *)0)->member ) *__mptr = (ptr); \
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(type *)( (char *)__mptr - offsetof(type,member) );})
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#define ENOMEM 5
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#define EEXIST 6
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#ifdef __CHECKER__
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#define __CHECK_ENDIAN__
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#define __bitwise __bitwise__
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#else
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#define __bitwise
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#endif
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typedef u16 __bitwise __le16;
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typedef u16 __bitwise __be16;
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typedef u32 __bitwise __le32;
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typedef u32 __bitwise __be32;
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typedef u64 __bitwise __le64;
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typedef u64 __bitwise __be64;
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#if __BYTE_ORDER == __BIG_ENDIAN
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#define cpu_to_le64(x) ((__force __le64)(u64)(bswap_64(x)))
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#define le64_to_cpu(x) ((__force u64)(__le64)(bswap_64(x)))
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#define cpu_to_le32(x) ((__force __le32)(u32)(bswap_32(x)))
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#define le32_to_cpu(x) ((__force u32)(__le32)(bswap_32(x)))
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#define cpu_to_le16(x) ((__force __le16)(u16)(bswap_16(x)))
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#define le16_to_cpu(x) ((__force u16)(__le16)(bswap_16(x)))
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#else
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#define cpu_to_le64(x) ((__force __le64)(u64)(x))
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#define le64_to_cpu(x) ((__force u64)(__le64)(x))
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#define cpu_to_le32(x) ((__force __le32)(u32)(x))
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#define le32_to_cpu(x) ((__force u32)(__le32)(x))
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#define cpu_to_le16(x) ((__force __le16)(u16)(x))
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#define le16_to_cpu(x) ((__force u16)(__le16)(x))
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#endif
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#endif
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