From a83f5524fbf2f0fa861d2fae6973f0f42e8c9c25 Mon Sep 17 00:00:00 2001 From: Wim Taymans Date: Thu, 13 Aug 2009 17:11:43 +0200 Subject: cpu-x86: add cpu detection code and helpers Add CPU detection code and various macros and typdefs to make it easier to write 64 and 32 bit code. --- src/pulsecore/cpu-x86.h | 61 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 src/pulsecore/cpu-x86.h (limited to 'src/pulsecore/cpu-x86.h') diff --git a/src/pulsecore/cpu-x86.h b/src/pulsecore/cpu-x86.h new file mode 100644 index 00000000..8158ea7a --- /dev/null +++ b/src/pulsecore/cpu-x86.h @@ -0,0 +1,61 @@ +/*** + This file is part of PulseAudio. + + Copyright 2004-2006 Lennart Poettering + Copyright 2009 Wim Taymans + + PulseAudio is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of the License, + or (at your option) any later version. + + PulseAudio 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 + General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with PulseAudio; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + USA. +***/ + +#include + +typedef enum pa_cpu_x86_flag { + PA_CPU_X86_MMX = (1 << 0), + PA_CPU_X86_MMXEXT = (1 << 1), + PA_CPU_X86_SSE = (1 << 2), + PA_CPU_X86_SSE2 = (1 << 3), + PA_CPU_X86_SSE3 = (1 << 4), + PA_CPU_X86_SSSE3 = (1 << 5), + PA_CPU_X86_SSE4_1 = (1 << 6), + PA_CPU_X86_SSE4_2 = (1 << 7), + PA_CPU_X86_3DNOW = (1 << 8), + PA_CPU_X86_3DNOWEXT = (1 << 9) +} pa_cpu_x86_flag_t; + +void pa_cpu_init_x86 (void); + + +#if defined (__i386__) +typedef int32_t pa_reg_x86; +#define PA_REG_a "eax" +#define PA_REG_b "ebx" +#define PA_REG_c "ecx" +#define PA_REG_d "edx" +#define PA_REG_D "edi" +#define PA_REG_S "esi" +#elif defined (__amd64__) +typedef int64_t pa_reg_x86; +#define PA_REG_a "rax" +#define PA_REG_b "rbx" +#define PA_REG_c "rcx" +#define PA_REG_d "rdx" +#define PA_REG_D "rdi" +#define PA_REG_S "rsi" +#endif + +/* some optimized functions */ +void pa_volume_func_init_mmx(pa_cpu_x86_flag_t flags); +void pa_volume_func_init_sse(pa_cpu_x86_flag_t flags); -- cgit