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 49