From edade2ced15fbac7b52e79076447d3eb151ff55e Mon Sep 17 00:00:00 2001 From: Josh Coalson Date: Wed, 23 May 2001 20:53:31 +0000 Subject: [PATCH] initial import --- include/FLAC/config.h | 53 ++++++++++++++++++++++++++++++++ src/libFLAC/cpu.c | 64 +++++++++++++++++++++++++++++++++++++++ src/libFLAC/i386/cpu_asm.nasm | 53 ++++++++++++++++++++++++++++++++ src/libFLAC/include/private/cpu.h | 62 +++++++++++++++++++++++++++++++++++++ 4 files changed, 232 insertions(+) create mode 100644 include/FLAC/config.h create mode 100644 src/libFLAC/cpu.c create mode 100644 src/libFLAC/i386/cpu_asm.nasm create mode 100644 src/libFLAC/include/private/cpu.h diff --git a/include/FLAC/config.h b/include/FLAC/config.h new file mode 100644 index 0000000..e4b5b9b --- /dev/null +++ b/include/FLAC/config.h @@ -0,0 +1,53 @@ +/* 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 diff --git a/src/libFLAC/cpu.c b/src/libFLAC/cpu.c new file mode 100644 index 0000000..42297fc --- /dev/null +++ b/src/libFLAC/cpu.c @@ -0,0 +1,64 @@ +/* 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 +#include + +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 +} diff --git a/src/libFLAC/i386/cpu_asm.nasm b/src/libFLAC/i386/cpu_asm.nasm new file mode 100644 index 0000000..7a41252 --- /dev/null +++ b/src/libFLAC/i386/cpu_asm.nasm @@ -0,0 +1,53 @@ +; 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 diff --git a/src/libFLAC/include/private/cpu.h b/src/libFLAC/include/private/cpu.h new file mode 100644 index 0000000..c8948e9 --- /dev/null +++ b/src/libFLAC/include/private/cpu.h @@ -0,0 +1,62 @@ +/* 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 -- 2.7.4