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Revision 1.19 - (view) (download)
| 1 : | edgomez | 1.5 | ;/**************************************************************************** |
| 2 : | ; * | ||
| 3 : | ; * XVID MPEG-4 VIDEO CODEC | ||
| 4 : | ; * - CPUID check processors capabilities - | ||
| 5 : | ; * | ||
| 6 : | Isibaar | 1.15 | ; * Copyright (C) 2001-2008 Michael Militzer <michael@xvid.org> |
| 7 : | edgomez | 1.5 | ; * |
| 8 : | ; * This program is free software ; you can redistribute it and/or modify | ||
| 9 : | ; * it under the terms of the GNU General Public License as published by | ||
| 10 : | ; * the Free Software Foundation ; either version 2 of the License, or | ||
| 11 : | ; * (at your option) any later version. | ||
| 12 : | ; * | ||
| 13 : | ; * This program is distributed in the hope that it will be useful, | ||
| 14 : | ; * but WITHOUT ANY WARRANTY ; without even the implied warranty of | ||
| 15 : | ; * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 16 : | ; * GNU General Public License for more details. | ||
| 17 : | ; * | ||
| 18 : | ; * You should have received a copy of the GNU General Public License | ||
| 19 : | ; * along with this program ; if not, write to the Free Software | ||
| 20 : | ; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 21 : | ; * | ||
| 22 : | Isibaar | 1.19 | ; * $Id: cpuid.asm,v 1.18 2008/12/04 14:41:50 Isibaar Exp $ |
| 23 : | edgomez | 1.5 | ; * |
| 24 : | ; ***************************************************************************/ | ||
| 25 : | Isibaar | 1.1 | |
| 26 : | Isibaar | 1.15 | %include "nasm.inc" |
| 27 : | Isibaar | 1.1 | |
| 28 : | edgomez | 1.5 | ;============================================================================= |
| 29 : | ; Constants | ||
| 30 : | ;============================================================================= | ||
| 31 : | |||
| 32 : | %define CPUID_TSC 0x00000010 | ||
| 33 : | %define CPUID_MMX 0x00800000 | ||
| 34 : | %define CPUID_SSE 0x02000000 | ||
| 35 : | %define CPUID_SSE2 0x04000000 | ||
| 36 : | Isibaar | 1.10 | %define CPUID_SSE3 0x00000001 |
| 37 : | Isibaar | 1.14 | %define CPUID_SSE41 0x00080000 |
| 38 : | edgomez | 1.5 | |
| 39 : | %define EXT_CPUID_3DNOW 0x80000000 | ||
| 40 : | %define EXT_CPUID_AMD_3DNOWEXT 0x40000000 | ||
| 41 : | %define EXT_CPUID_AMD_MMXEXT 0x00400000 | ||
| 42 : | |||
| 43 : | ;;; NB: Make sure these defines match the ones defined in xvid.h | ||
| 44 : | %define XVID_CPU_MMX (1<< 0) | ||
| 45 : | %define XVID_CPU_MMXEXT (1<< 1) | ||
| 46 : | %define XVID_CPU_SSE (1<< 2) | ||
| 47 : | %define XVID_CPU_SSE2 (1<< 3) | ||
| 48 : | Isibaar | 1.10 | %define XVID_CPU_SSE3 (1<< 8) |
| 49 : | Isibaar | 1.14 | %define XVID_CPU_SSE41 (1<< 9) |
| 50 : | edgomez | 1.5 | %define XVID_CPU_3DNOW (1<< 4) |
| 51 : | %define XVID_CPU_3DNOWEXT (1<< 5) | ||
| 52 : | %define XVID_CPU_TSC (1<< 6) | ||
| 53 : | |||
| 54 : | ;============================================================================= | ||
| 55 : | ; Read only data | ||
| 56 : | ;============================================================================= | ||
| 57 : | |||
| 58 : | Isibaar | 1.15 | ALIGN SECTION_ALIGN |
| 59 : | |||
| 60 : | DATA | ||
| 61 : | edgomez | 1.5 | |
| 62 : | vendorAMD: | ||
| 63 : | db "AuthenticAMD" | ||
| 64 : | |||
| 65 : | ;============================================================================= | ||
| 66 : | ; Macros | ||
| 67 : | ;============================================================================= | ||
| 68 : | Isibaar | 1.1 | |
| 69 : | Isibaar | 1.11 | %macro CHECK_FEATURE 4 |
| 70 : | mov eax, %1 | ||
| 71 : | and eax, %4 | ||
| 72 : | Isibaar | 1.15 | neg eax |
| 73 : | sbb eax, eax | ||
| 74 : | Isibaar | 1.11 | and eax, %2 |
| 75 : | Isibaar | 1.15 | or %3, eax |
| 76 : | edgomez | 1.5 | %endmacro |
| 77 : | Isibaar | 1.1 | |
| 78 : | edgomez | 1.5 | ;============================================================================= |
| 79 : | ; Code | ||
| 80 : | ;============================================================================= | ||
| 81 : | Isibaar | 1.1 | |
| 82 : | Isibaar | 1.15 | %ifdef ARCH_IS_X86_64 |
| 83 : | %define XVID_PUSHFD pushfq | ||
| 84 : | %define XVID_POPFD popfq | ||
| 85 : | %else | ||
| 86 : | %define XVID_PUSHFD pushfd | ||
| 87 : | %define XVID_POPFD popfd | ||
| 88 : | %endif | ||
| 89 : | |||
| 90 : | Isibaar | 1.18 | TEXT |
| 91 : | Isibaar | 1.1 | |
| 92 : | ; int check_cpu_feature(void) | ||
| 93 : | |||
| 94 : | cglobal check_cpu_features | ||
| 95 : | check_cpu_features: | ||
| 96 : | suxen_drol | 1.2 | |
| 97 : | Isibaar | 1.15 | push _EBX |
| 98 : | push _ESI | ||
| 99 : | push _EDI | ||
| 100 : | push _EBP | ||
| 101 : | suxen_drol | 1.2 | |
| 102 : | Isibaar | 1.15 | sub _ESP, 12 ; Stack space for vendor name |
| 103 : | edgomez | 1.6 | |
| 104 : | Isibaar | 1.15 | xor ebp, ebp |
| 105 : | Isibaar | 1.1 | |
| 106 : | ; CPUID command ? | ||
| 107 : | Isibaar | 1.15 | XVID_PUSHFD |
| 108 : | pop _EAX | ||
| 109 : | mov ecx, eax | ||
| 110 : | edgomez | 1.5 | xor eax, 0x200000 |
| 111 : | Isibaar | 1.15 | push _EAX |
| 112 : | XVID_POPFD | ||
| 113 : | XVID_PUSHFD | ||
| 114 : | pop _EAX | ||
| 115 : | cmp eax, ecx | ||
| 116 : | Isibaar | 1.1 | |
| 117 : | edgomez | 1.5 | jz near .cpu_quit ; no CPUID command -> exit |
| 118 : | Isibaar | 1.1 | |
| 119 : | ; get vendor string, used later | ||
| 120 : | Isibaar | 1.15 | xor eax, eax |
| 121 : | edgomez | 1.5 | cpuid |
| 122 : | Isibaar | 1.15 | mov [_ESP], ebx ; vendor string |
| 123 : | mov [_ESP+4], edx | ||
| 124 : | mov [_ESP+8], ecx | ||
| 125 : | test eax, eax | ||
| 126 : | edgomez | 1.5 | |
| 127 : | jz near .cpu_quit | ||
| 128 : | |||
| 129 : | mov eax, 1 | ||
| 130 : | cpuid | ||
| 131 : | |||
| 132 : | ; RDTSC command ? | ||
| 133 : | Isibaar | 1.15 | CHECK_FEATURE CPUID_TSC, XVID_CPU_TSC, ebp, edx |
| 134 : | edgomez | 1.5 | |
| 135 : | ; MMX support ? | ||
| 136 : | Isibaar | 1.15 | CHECK_FEATURE CPUID_MMX, XVID_CPU_MMX, ebp, edx |
| 137 : | edgomez | 1.5 | |
| 138 : | ; SSE support ? | ||
| 139 : | Isibaar | 1.15 | CHECK_FEATURE CPUID_SSE, (XVID_CPU_MMXEXT|XVID_CPU_SSE), ebp, edx |
| 140 : | edgomez | 1.5 | |
| 141 : | ; SSE2 support? | ||
| 142 : | Isibaar | 1.15 | CHECK_FEATURE CPUID_SSE2, XVID_CPU_SSE2, ebp, edx |
| 143 : | edgomez | 1.5 | |
| 144 : | Isibaar | 1.10 | ; SSE3 support? |
| 145 : | Isibaar | 1.15 | CHECK_FEATURE CPUID_SSE3, XVID_CPU_SSE3, ebp, ecx |
| 146 : | Isibaar | 1.10 | |
| 147 : | Isibaar | 1.14 | ; SSE41 support? |
| 148 : | Isibaar | 1.15 | CHECK_FEATURE CPUID_SSE41, XVID_CPU_SSE41, ebp, ecx |
| 149 : | Isibaar | 1.14 | |
| 150 : | edgomez | 1.5 | ; extended functions? |
| 151 : | mov eax, 0x80000000 | ||
| 152 : | cpuid | ||
| 153 : | cmp eax, 0x80000000 | ||
| 154 : | jbe near .cpu_quit | ||
| 155 : | |||
| 156 : | mov eax, 0x80000001 | ||
| 157 : | cpuid | ||
| 158 : | |||
| 159 : | ; AMD cpu ? | ||
| 160 : | Isibaar | 1.15 | lea _ESI, [vendorAMD] |
| 161 : | lea _EDI, [_ESP] | ||
| 162 : | edgomez | 1.5 | mov ecx, 12 |
| 163 : | cld | ||
| 164 : | repe cmpsb | ||
| 165 : | jnz .cpu_quit | ||
| 166 : | Isibaar | 1.1 | |
| 167 : | edgomez | 1.5 | ; 3DNow! support ? |
| 168 : | Isibaar | 1.15 | CHECK_FEATURE EXT_CPUID_3DNOW, XVID_CPU_3DNOW, ebp, edx |
| 169 : | suxen_drol | 1.2 | |
| 170 : | edgomez | 1.5 | ; 3DNOW extended ? |
| 171 : | Isibaar | 1.15 | CHECK_FEATURE EXT_CPUID_AMD_3DNOWEXT, XVID_CPU_3DNOWEXT, ebp, edx |
| 172 : | Isibaar | 1.1 | |
| 173 : | edgomez | 1.5 | ; extended MMX ? |
| 174 : | Isibaar | 1.15 | CHECK_FEATURE EXT_CPUID_AMD_MMXEXT, XVID_CPU_MMXEXT, ebp, edx |
| 175 : | suxen_drol | 1.2 | |
| 176 : | .cpu_quit: | ||
| 177 : | |||
| 178 : | Isibaar | 1.15 | mov eax, ebp |
| 179 : | suxen_drol | 1.2 | |
| 180 : | Isibaar | 1.15 | add _ESP, 12 |
| 181 : | edgomez | 1.6 | |
| 182 : | Isibaar | 1.15 | pop _EBP |
| 183 : | pop _EDI | ||
| 184 : | pop _ESI | ||
| 185 : | pop _EBX | ||
| 186 : | suxen_drol | 1.2 | |
| 187 : | edgomez | 1.5 | ret |
| 188 : | Isibaar | 1.13 | ENDFUNC |
| 189 : | suxen_drol | 1.2 | |
| 190 : | ; sse/sse2 operating support detection routines | ||
| 191 : | ; these will trigger an invalid instruction signal if not supported. | ||
| 192 : | Isibaar | 1.15 | ALIGN SECTION_ALIGN |
| 193 : | suxen_drol | 1.2 | cglobal sse_os_trigger |
| 194 : | sse_os_trigger: | ||
| 195 : | edgomez | 1.5 | xorps xmm0, xmm0 |
| 196 : | ret | ||
| 197 : | Isibaar | 1.13 | ENDFUNC |
| 198 : | suxen_drol | 1.2 | |
| 199 : | |||
| 200 : | Isibaar | 1.15 | ALIGN SECTION_ALIGN |
| 201 : | suxen_drol | 1.2 | cglobal sse2_os_trigger |
| 202 : | sse2_os_trigger: | ||
| 203 : | edgomez | 1.5 | xorpd xmm0, xmm0 |
| 204 : | ret | ||
| 205 : | Isibaar | 1.13 | ENDFUNC |
| 206 : | suxen_drol | 1.2 | |
| 207 : | edgomez | 1.4 | |
| 208 : | ; enter/exit mmx state | ||
| 209 : | Isibaar | 1.15 | ALIGN SECTION_ALIGN |
| 210 : | edgomez | 1.4 | cglobal emms_mmx |
| 211 : | emms_mmx: | ||
| 212 : | edgomez | 1.5 | emms |
| 213 : | ret | ||
| 214 : | Isibaar | 1.13 | ENDFUNC |
| 215 : | edgomez | 1.4 | |
| 216 : | ; faster enter/exit mmx state | ||
| 217 : | Isibaar | 1.15 | ALIGN SECTION_ALIGN |
| 218 : | edgomez | 1.4 | cglobal emms_3dn |
| 219 : | emms_3dn: | ||
| 220 : | edgomez | 1.5 | femms |
| 221 : | ret | ||
| 222 : | Isibaar | 1.13 | ENDFUNC |
| 223 : | edgomez | 1.9 | |
| 224 : | Isibaar | 1.16 | %ifdef ARCH_IS_X86_64 |
| 225 : | %ifdef WINDOWS | ||
| 226 : | cglobal prime_xmm | ||
| 227 : | prime_xmm: | ||
| 228 : | movdqa xmm6, [prm1] | ||
| 229 : | movdqa xmm7, [prm1+16] | ||
| 230 : | ret | ||
| 231 : | ENDFUNC | ||
| 232 : | edgomez | 1.9 | |
| 233 : | Isibaar | 1.16 | cglobal get_xmm |
| 234 : | get_xmm: | ||
| 235 : | movdqa [prm1], xmm6 | ||
| 236 : | movdqa [prm1+16], xmm7 | ||
| 237 : | ret | ||
| 238 : | Isibaar | 1.17 | ENDFUNC |
| 239 : | Isibaar | 1.16 | %endif |
| 240 : | %endif | ||
| 241 : | Isibaar | 1.12 | |
| 242 : | Isibaar | 1.19 | NON_EXEC_STACK |
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