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e666cde418
- Updated project files for nasm 2.0, which is now named nasm.exe for the Windows version, rather than nasmw.exe. Also fixed the annoying new warnings it generated. SVN r593 (trunk)
121 lines
3 KiB
NASM
121 lines
3 KiB
NASM
; vim:filetype=nasm ts=8
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; libFLAC - Free Lossless Audio Codec library
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; Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions
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; are met:
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;
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; - Redistributions of source code must retain the above copyright
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; notice, this list of conditions and the following disclaimer.
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;
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; - Redistributions in binary form must reproduce the above copyright
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; notice, this list of conditions and the following disclaimer in the
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; documentation and/or other materials provided with the distribution.
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;
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; - Neither the name of the Xiph.org Foundation nor the names of its
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; contributors may be used to endorse or promote products derived from
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; this software without specific prior written permission.
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;
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; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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%include "ia32/nasm.h"
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data_section
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cglobal FLAC__cpu_have_cpuid_asm_ia32
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cglobal FLAC__cpu_info_asm_ia32
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cglobal FLAC__cpu_info_extended_amd_asm_ia32
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code_section
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; **********************************************************************
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;
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; FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32()
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;
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cident FLAC__cpu_have_cpuid_asm_ia32
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push ebx
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pushfd
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pop eax
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mov edx, eax
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xor eax, 0x00200000
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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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jz .no_cpuid
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mov eax, 1
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jmp .end
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.no_cpuid:
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xor eax, eax
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.end:
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pop ebx
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ret
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; **********************************************************************
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;
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; void FLAC__cpu_info_asm_ia32(FLAC__uint32 *flags_edx, FLAC__uint32 *flags_ecx)
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;
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cident FLAC__cpu_info_asm_ia32
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;[esp + 8] == flags_edx
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;[esp + 12] == flags_ecx
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push ebx
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call FLAC__cpu_have_cpuid_asm_ia32
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test eax, eax
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jz .no_cpuid
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mov eax, 1
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cpuid
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mov ebx, [esp + 8]
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mov [ebx], edx
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mov ebx, [esp + 12]
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mov [ebx], ecx
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jmp .end
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.no_cpuid:
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xor eax, eax
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mov ebx, [esp + 8]
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mov [ebx], eax
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mov ebx, [esp + 12]
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mov [ebx], eax
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.end:
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pop ebx
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ret
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cident FLAC__cpu_info_extended_amd_asm_ia32
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push ebx
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call FLAC__cpu_have_cpuid_asm_ia32
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test eax, eax
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jz .no_cpuid
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mov eax, 0x80000000
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cpuid
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cmp eax, 0x80000001
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jb .no_cpuid
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mov eax, 0x80000001
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cpuid
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mov eax, edx
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jmp .end
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.no_cpuid:
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xor eax, eax
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.end:
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pop ebx
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ret
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end:
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%ifdef OBJ_FORMAT_elf
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section .note.GNU-stack noalloc
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%endif
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