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771fe6b9 JG |
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+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+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 |