cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

atom-bits.h (1882B)


      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
     28static 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))
     34static 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))
     40static 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