75 lines
1.8 KiB
C
Executable File
75 lines
1.8 KiB
C
Executable File
/*****************************************************************************
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*
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* This program is free software ; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Id: mips.c 271 2005-08-09 08:31:35Z picard $
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*
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* The Core Pocket Media Player
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* Copyright (c) 2004-2005 Gabor Kovacs
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*
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****************************************************************************/
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#include "../common.h"
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#if defined(MIPS)
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void STDCALL GetCpuId(int Id,uint32_t* p)
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{
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__asm( ".set noreorder;"
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"mfc0 $2, $15;" //prid
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"nop;"
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"nop;"
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"nop;"
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"nop;"
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"sw $2,0($4);"
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".set reorder;", p);
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}
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#define SPEED10 \
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__asm( \
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"addi $2,$2,1;" \
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"addi $2,$2,1;" \
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"addi $2,$2,1;" \
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"addi $2,$2,1;" \
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"addi $2,$2,1;" \
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"addi $2,$2,1;" \
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"addi $2,$2,1;" \
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"addi $2,$2,1;" \
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"addi $2,$2,1;" \
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"addi $2,$2,1;" \
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);
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int64_t STDCALL CPUSpeedClk(int n)
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{
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__asm( "add $3,$4,zero;"
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"loopn:");
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SPEED10
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SPEED10
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SPEED10
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SPEED10
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SPEED10
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SPEED10
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SPEED10
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SPEED10
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SPEED10
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SPEED10
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__asm( "addiu $3,$3,-1;"
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"bne $3,zero,loopn;");
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return n*(3+100)+500;
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}
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#endif
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