Commit edade2ce authored by Josh Coalson's avatar Josh Coalson
Browse files

initial import

parent 8d1676c0
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001 Josh Coalson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef FLAC__CONFIG_H
#define FLAC__CONFIG_H
/* define the correctly-capitalized symbols from the autoconf-crippled ones */
#ifdef FLaC__ALIGN_MALLOC_DATA
#define FLAC__ALIGN_MALLOC_DATA
#endif
#ifdef FLaC__NO_ASM
#define FLAC__NO_ASM
#endif
#ifdef FLaC__HAS_NASM
#define FLAC__HAS_NASM
#endif
#ifdef FLaC__HAS_XMMS
#define FLAC__HAS_XMMS
#endif
#ifdef FLaC__CPU_IA32
#define FLAC__CPU_IA32
#endif
#ifdef FLaC__CPU_PPC
#define FLAC__CPU_PPC
#endif
#ifdef FLaC__CPU_SPARC
#define FLAC__CPU_SPARC
#endif
#endif
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001 Josh Coalson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "FLAC/config.h"
#include "private/cpu.h"
#include<stdlib.h>
#include<stdio.h>
const unsigned FLAC__CPUINFO_IA32_CPUID_CMOV = 0x00008000;
const unsigned FLAC__CPUINFO_IA32_CPUID_MMX = 0x00800000;
const unsigned FLAC__CPUINFO_IA32_CPUID_FXSR = 0x01000000;
const unsigned FLAC__CPUINFO_IA32_CPUID_SSE = 0x02000000;
const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2 = 0x04000000;
void FLAC__cpu_info(FLAC__CPUInfo *info)
{
#ifdef FLAC__CPU_IA32
fprintf(stderr,"@@@ FLAC__CPU_IA32 defined\n");
info->type = FLAC__CPUINFO_TYPE_IA32;
#if !defined FLAC__NO_ASM && defined FLAC__HAS_NASM
fprintf(stderr,"@@@ !defined FLAC__NO_ASM && defined FLAC__HAS_NASM\n");
info->use_asm = true;
{
unsigned cpuid = FLAC__cpu_info_asm_i386();
info->data.ia32.cmov = (cpuid & FLAC__CPUINFO_IA32_CPUID_CMOV)? true : false;
info->data.ia32.mmx = (cpuid & FLAC__CPUINFO_IA32_CPUID_MMX)? true : false;
info->data.ia32.fxsr = (cpuid & FLAC__CPUINFO_IA32_CPUID_FXSR)? true : false;
info->data.ia32.sse = (cpuid & FLAC__CPUINFO_IA32_CPUID_SSE)? true : false;
info->data.ia32.sse2 = (cpuid & FLAC__CPUINFO_IA32_CPUID_SSE2)? true : false;
fprintf(stderr,"@@@ \tcpuid=%08X\n",cpuid);
fprintf(stderr,"@@@ \tcmov=%u\n",info->data.ia32.cmov);
fprintf(stderr,"@@@ \tmmx=%u\n",info->data.ia32.mmx);
fprintf(stderr,"@@@ \tfxsr=%u\n",info->data.ia32.fxsr);
fprintf(stderr,"@@@ \tsse=%u\n",info->data.ia32.sse);
fprintf(stderr,"@@@ \tsse2=%u\n",info->data.ia32.sse2);
}
#else
fprintf(stderr,"@@@ not: !defined FLAC__NO_ASM && defined FLAC__HAS_NASM\n");
info->use_asm = true;
info->use_asm = false;
#endif
#else
fprintf(stderr,"@@@ FLAC__CPU_UNKNOWN\n");
info->type = FLAC__CPUINFO_TYPE_UNKNOWN;
info->use_asm = false;
#endif
}
; libFLAC - Free Lossless Audio Codec library
; Copyright (C) 2001 Josh Coalson
;
; This library is free software; you can redistribute it and/or
; modify it under the terms of the GNU Library General Public
; License as published by the Free Software Foundation; either
; version 2 of the License, or (at your option) any later version.
;
; This library is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
; Library General Public License for more details.
;
; You should have received a copy of the GNU Library General Public
; License along with this library; if not, write to the
; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
; Boston, MA 02111-1307, USA.
%include "nasm.h"
data_section
cglobal FLAC__cpu_info_asm_i386
code_section
; **********************************************************************
;
FLAC__cpu_info_asm_i386:
push ebx
pushfd
pop eax
mov edx, eax
xor eax, 00200000h
push eax
popfd
pushfd
pop eax
cmp eax, edx
jz .no_cpuid
mov eax, 1
cpuid
mov eax, edx
jmp short .end
.no_cpuid:
xor eax, eax ; return 0
.end:
pop ebx
ret
end
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2001 Josh Coalson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef FLAC__PRIVATE__CPU_H
#define FLAC__PRIVATE__CPU_H
#include "FLAC/config.h"
#include "FLAC/ordinals.h"
typedef enum {
FLAC__CPUINFO_TYPE_IA32,
FLAC__CPUINFO_TYPE_UNKNOWN
} FLAC__CPUInfo_Type;
typedef struct {
bool cmov;
bool mmx;
bool fxsr;
bool sse;
bool sse2;
} FLAC__CPUInfo_IA32;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_CMOV;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_MMX;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_FXSR;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_SSE;
extern const unsigned FLAC__CPUINFO_IA32_CPUID_SSE2;
typedef struct {
bool use_asm;
FLAC__CPUInfo_Type type;
union {
FLAC__CPUInfo_IA32 ia32;
} data;
} FLAC__CPUInfo;
void FLAC__cpu_info(FLAC__CPUInfo *info);
#ifndef FLAC__NO_ASM
#ifdef FLAC__CPU_IA32
#ifdef FLAC__HAS_NASM
unsigned FLAC__cpu_info_asm_i386();
#endif
#endif
#endif
#endif
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