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/* $OpenBSD$ */
/*
* Copyright 2008 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Author: Stanislaw Skowronek
*/
#ifndef ATOM_BITS_H
#define ATOM_BITS_H
static inline uint8_t get_u8(void *bios, int ptr)
{
return ((unsigned char *)bios)[ptr];
}
#define U8(ptr) get_u8(ctx->ctx->bios, (ptr))
#define CU8(ptr) get_u8(ctx->bios, (ptr))
static inline uint16_t get_u16(void *bios, int ptr)
{
return get_u8(bios ,ptr)|(((uint16_t)get_u8(bios, ptr+1))<<8);
}
#define U16(ptr) get_u16(ctx->ctx->bios, (ptr))
#define CU16(ptr) get_u16(ctx->bios, (ptr))
static inline uint32_t get_u32(void *bios, int ptr)
{
return get_u16(bios, ptr)|(((uint32_t)get_u16(bios, ptr+2))<<16);
}
#define U32(ptr) get_u32(ctx->ctx->bios, (ptr))
#define CU32(ptr) get_u32(ctx->bios, (ptr))
#define CSTR(ptr) (((char *)(ctx->bios))+(ptr))
#endif
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