68 lines
1.4 KiB
C
Executable File
68 lines
1.4 KiB
C
Executable File
// IA-32 (x86) specific code
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// Copyright (c) 2003 Jan Wassenberg
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// Contact info:
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// Jan.Wassenberg@stud.uni-karlsruhe.de
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// http://www.stud.uni-karlsruhe.de/~urkt/
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#ifndef _M_IX86
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#error "including ia32.h without _M_IX86 defined"
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#endif
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#ifndef IA32_H
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#define IA32_H
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#include "lib.h"
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extern double _ceil(double);
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extern u64 rdtsc();
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#ifndef _MCW_PC
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#define _MCW_PC 0x0300 // Precision Control
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#endif
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#ifndef _PC_24
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#define _PC_24 0x0000 // 24 bits
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#endif
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extern uint _control87(uint new_cw, uint mask);
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enum
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{
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TSC = BIT(4),
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CMOV = BIT(15),
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MMX = BIT(23),
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SSE = BIT(25),
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SSE2 = BIT(26)
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};
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extern long cpu_caps;
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// define instead of enum to avoid stupid sign conversion warning
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#define EXT_MP_CAPABLE BIT(19)
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#define EXT_3DNOW_PRO BIT(30)
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#define EXT_3DNOW BIT(31)
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extern long cpu_ext_caps;
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extern int tsc_is_safe;
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extern void ia32_get_cpu_info();
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#endif // #ifndef IA32_H
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