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 | |
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)) |
34 | static inline uint16_t get_u16(void *bios, int ptr) |
35 | { |
36 | return get_u8(bios ,ptr)|(((uint16_t)get_u8(bios, ptr: ptr+1))<<8); |
37 | } |
38 | #define U16(ptr) get_u16(ctx->ctx->bios, (ptr)) |
39 | #define CU16(ptr) get_u16(ctx->bios, (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: 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 | |