1  /*
2   * Copyright 2008 Advanced Micro Devices, Inc.
3   *
4   * Permission is hereby granted, free of charge, to any person obtaining a
5   * copy of this software and associated documentation files (the "Software"),
6   * to deal in the Software without restriction, including without limitation
7   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8   * and/or sell copies of the Software, and to permit persons to whom the
9   * Software is furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20   * OTHER DEALINGS IN THE SOFTWARE.
21   *
22   * Author: Stanislaw Skowronek
23   */
24  
25  #ifndef ATOM_BITS_H
26  #define ATOM_BITS_H
27  
get_u8(void * bios,int ptr)28  static inline uint8_t get_u8(void *bios, int ptr)
29  {
30      return ((unsigned char *)bios)[ptr];
31  }
32  #define U8(ptr) get_u8(ctx->ctx->bios, (ptr))
33  #define CU8(ptr) get_u8(ctx->bios, (ptr))
get_u16(void * bios,int ptr)34  static inline uint16_t get_u16(void *bios, int ptr)
35  {
36      return get_u8(bios, ptr)|(((uint16_t)get_u8(bios, ptr+1))<<8);
37  }
38  #define U16(ptr) get_u16(ctx->ctx->bios, (ptr))
39  #define CU16(ptr) get_u16(ctx->bios, (ptr))
get_u32(void * bios,int ptr)40  static inline uint32_t get_u32(void *bios, int ptr)
41  {
42      return get_u16(bios, ptr)|(((uint32_t)get_u16(bios, ptr+2))<<16);
43  }
44  #define U32(ptr) get_u32(ctx->ctx->bios, (ptr))
45  #define CU32(ptr) get_u32(ctx->bios, (ptr))
46  #define CSTR(ptr) (((char *)(ctx->bios))+(ptr))
47  
48  #endif
49