1 /* $OpenBSD: atom-bits.h,v 1.1 2013/08/12 04:11:53 jsg Exp $ */ 2 /* 3 * Copyright 2008 Advanced Micro Devices, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 * Author: Stanislaw Skowronek 24 */ 25 26 #ifndef ATOM_BITS_H 27 #define ATOM_BITS_H 28 29 static inline uint8_t get_u8(void *bios, int ptr) 30 { 31 return ((unsigned char *)bios)[ptr]; 32 } 33 #define U8(ptr) get_u8(ctx->ctx->bios, (ptr)) 34 #define CU8(ptr) get_u8(ctx->bios, (ptr)) 35 static inline uint16_t get_u16(void *bios, int ptr) 36 { 37 return get_u8(bios ,ptr)|(((uint16_t)get_u8(bios, ptr+1))<<8); 38 } 39 #define U16(ptr) get_u16(ctx->ctx->bios, (ptr)) 40 #define CU16(ptr) get_u16(ctx->bios, (ptr)) 41 static inline uint32_t get_u32(void *bios, int ptr) 42 { 43 return get_u16(bios, ptr)|(((uint32_t)get_u16(bios, ptr+2))<<16); 44 } 45 #define U32(ptr) get_u32(ctx->ctx->bios, (ptr)) 46 #define CU32(ptr) get_u32(ctx->bios, (ptr)) 47 #define CSTR(ptr) (((char *)(ctx->bios))+(ptr)) 48 49 #endif 50