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