80 lines
1.7 KiB
NASM
Executable File
80 lines
1.7 KiB
NASM
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: x86.asm 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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BITS 32
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SECTION .text
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%macro cglobal 2
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%define %1 _%1@%2
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global %1
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%endmacro
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cglobal GetCpuId,8
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cglobal CPUSpeedClk,4
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ALIGN 16
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GetCpuId:
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pushfd
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pop eax
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mov edx,eax
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xor eax,00200000h
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push eax
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popfd
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pushfd
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pop eax
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cmp eax,edx
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mov eax,0
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jz .NoCpuId
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push ebx
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push esi
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mov eax,[esp+12]
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mov esi,[esp+16]
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cpuid
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mov [esi],eax
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mov [esi+4],ebx
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mov [esi+8],ecx
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mov [esi+12],edx
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pop esi
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pop ebx
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.NoCpuId:
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ret 8
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CPUSpeedClk:
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push ebx
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mov ebx,esp
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mov edx,[esp+8]
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imul eax,edx,1000+3
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.CPULoop:
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%rep 1000
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add ecx,[ebx]
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%endrep
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sub edx,1
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jg .CPULoop
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xor edx,edx
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pop ebx
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ret 4
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