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atom-bits.h revision 1.1.1.1.30.1
      1  1.1.1.1.30.1  pgoyette /*	$NetBSD: atom-bits.h,v 1.1.1.1.30.1 2018/09/06 06:56:31 pgoyette Exp $	*/
      2  1.1.1.1.30.1  pgoyette 
      3           1.1  riastrad /*
      4           1.1  riastrad  * Copyright 2008 Advanced Micro Devices, Inc.
      5           1.1  riastrad  *
      6           1.1  riastrad  * Permission is hereby granted, free of charge, to any person obtaining a
      7           1.1  riastrad  * copy of this software and associated documentation files (the "Software"),
      8           1.1  riastrad  * to deal in the Software without restriction, including without limitation
      9           1.1  riastrad  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10           1.1  riastrad  * and/or sell copies of the Software, and to permit persons to whom the
     11           1.1  riastrad  * Software is furnished to do so, subject to the following conditions:
     12           1.1  riastrad  *
     13           1.1  riastrad  * The above copyright notice and this permission notice shall be included in
     14           1.1  riastrad  * all copies or substantial portions of the Software.
     15           1.1  riastrad  *
     16           1.1  riastrad  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17           1.1  riastrad  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18           1.1  riastrad  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19           1.1  riastrad  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20           1.1  riastrad  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21           1.1  riastrad  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22           1.1  riastrad  * OTHER DEALINGS IN THE SOFTWARE.
     23           1.1  riastrad  *
     24           1.1  riastrad  * Author: Stanislaw Skowronek
     25           1.1  riastrad  */
     26           1.1  riastrad 
     27           1.1  riastrad #ifndef ATOM_BITS_H
     28           1.1  riastrad #define ATOM_BITS_H
     29           1.1  riastrad 
     30           1.1  riastrad static inline uint8_t get_u8(void *bios, int ptr)
     31           1.1  riastrad {
     32           1.1  riastrad     return ((unsigned char *)bios)[ptr];
     33           1.1  riastrad }
     34           1.1  riastrad #define U8(ptr) get_u8(ctx->ctx->bios, (ptr))
     35           1.1  riastrad #define CU8(ptr) get_u8(ctx->bios, (ptr))
     36           1.1  riastrad static inline uint16_t get_u16(void *bios, int ptr)
     37           1.1  riastrad {
     38           1.1  riastrad     return get_u8(bios ,ptr)|(((uint16_t)get_u8(bios, ptr+1))<<8);
     39           1.1  riastrad }
     40           1.1  riastrad #define U16(ptr) get_u16(ctx->ctx->bios, (ptr))
     41           1.1  riastrad #define CU16(ptr) get_u16(ctx->bios, (ptr))
     42           1.1  riastrad static inline uint32_t get_u32(void *bios, int ptr)
     43           1.1  riastrad {
     44           1.1  riastrad     return get_u16(bios, ptr)|(((uint32_t)get_u16(bios, ptr+2))<<16);
     45           1.1  riastrad }
     46           1.1  riastrad #define U32(ptr) get_u32(ctx->ctx->bios, (ptr))
     47           1.1  riastrad #define CU32(ptr) get_u32(ctx->bios, (ptr))
     48           1.1  riastrad #define CSTR(ptr) (((char *)(ctx->bios))+(ptr))
     49           1.1  riastrad 
     50           1.1  riastrad #endif
     51