1/* $NetBSD: atom-bits.h,v 1.3 2021/12/18 23:45:42 riastradh Exp $ */ 2 3/* 4 * Copyright 2008 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Author: Stanislaw Skowronek 25 */ 26 27#ifndef ATOM_BITS_H 28#define ATOM_BITS_H 29 30static inline uint8_t get_u8(void *bios, int ptr) 31{ 32 return ((unsigned char *)bios)[ptr]; 33} 34#define U8(ptr) get_u8(ctx->ctx->bios, (ptr)) 35#define CU8(ptr) get_u8(ctx->bios, (ptr)) 36static inline uint16_t get_u16(void *bios, int ptr) 37{ 38 return get_u8(bios ,ptr)|(((uint16_t)get_u8(bios, ptr+1))<<8); 39} 40#define U16(ptr) get_u16(ctx->ctx->bios, (ptr)) 41#define CU16(ptr) get_u16(ctx->bios, (ptr)) 42static inline uint32_t get_u32(void *bios, int ptr) 43{ 44 return get_u16(bios, ptr)|(((uint32_t)get_u16(bios, ptr+2))<<16); 45} 46#define U32(ptr) get_u32(ctx->ctx->bios, (ptr)) 47#define CU32(ptr) get_u32(ctx->bios, (ptr)) 48#define CSTR(ptr) (((char *)(ctx->bios))+(ptr)) 49 50#endif 51