20 |
; * along with this program ; if not, write to the Free Software |
; * along with this program ; if not, write to the Free Software |
21 |
; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
; * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
22 |
; * |
; * |
23 |
; * $Id: cpuid.asm,v 1.1 2005-01-05 23:02:15 edgomez Exp $ |
; * $Id: cpuid.asm,v 1.2 2007-03-08 21:40:19 Isibaar Exp $ |
24 |
; * |
; * |
25 |
; ***************************************************************************/ |
; ***************************************************************************/ |
26 |
|
|
52 |
%define CPUID_MMX 0x00800000 |
%define CPUID_MMX 0x00800000 |
53 |
%define CPUID_SSE 0x02000000 |
%define CPUID_SSE 0x02000000 |
54 |
%define CPUID_SSE2 0x04000000 |
%define CPUID_SSE2 0x04000000 |
55 |
|
%define CPUID_SSE3 0x00000001 |
56 |
|
|
57 |
%define EXT_CPUID_3DNOW 0x80000000 |
%define EXT_CPUID_3DNOW 0x80000000 |
58 |
%define EXT_CPUID_AMD_3DNOWEXT 0x40000000 |
%define EXT_CPUID_AMD_3DNOWEXT 0x40000000 |
63 |
%define XVID_CPU_MMXEXT (1<< 1) |
%define XVID_CPU_MMXEXT (1<< 1) |
64 |
%define XVID_CPU_SSE (1<< 2) |
%define XVID_CPU_SSE (1<< 2) |
65 |
%define XVID_CPU_SSE2 (1<< 3) |
%define XVID_CPU_SSE2 (1<< 3) |
66 |
|
%define XVID_CPU_SSE3 (1<< 8) |
67 |
%define XVID_CPU_3DNOW (1<< 4) |
%define XVID_CPU_3DNOW (1<< 4) |
68 |
%define XVID_CPU_3DNOWEXT (1<< 5) |
%define XVID_CPU_3DNOWEXT (1<< 5) |
69 |
%define XVID_CPU_TSC (1<< 6) |
%define XVID_CPU_TSC (1<< 6) |
86 |
; Macros |
; Macros |
87 |
;============================================================================= |
;============================================================================= |
88 |
|
|
89 |
%macro CHECK_FEATURE 3 |
%macro CHECK_FEATURE 4 |
90 |
mov rcx, %1 |
mov rax, %1 |
91 |
and rcx, rdx |
and rax, %4 |
92 |
neg rcx |
neg rax |
93 |
sbb rcx, rcx |
sbb rax, rax |
94 |
and rcx, %2 |
and rax, %2 |
95 |
or %3, rcx |
or %3, rax |
96 |
%endmacro |
%endmacro |
97 |
|
|
98 |
;============================================================================= |
;============================================================================= |
134 |
cpuid |
cpuid |
135 |
|
|
136 |
; RDTSC command ? |
; RDTSC command ? |
137 |
CHECK_FEATURE CPUID_TSC, XVID_CPU_TSC, rbp |
CHECK_FEATURE CPUID_TSC, XVID_CPU_TSC, rbp, rdx |
138 |
|
|
139 |
; MMX support ? |
; MMX support ? |
140 |
CHECK_FEATURE CPUID_MMX, XVID_CPU_MMX, rbp |
CHECK_FEATURE CPUID_MMX, XVID_CPU_MMX, rbp, rdx |
141 |
|
|
142 |
; SSE support ? |
; SSE support ? |
143 |
CHECK_FEATURE CPUID_SSE, (XVID_CPU_MMXEXT|XVID_CPU_SSE), rbp |
CHECK_FEATURE CPUID_SSE, (XVID_CPU_MMXEXT|XVID_CPU_SSE), rbp, rdx |
144 |
|
|
145 |
; SSE2 support? |
; SSE2 support? |
146 |
CHECK_FEATURE CPUID_SSE2, XVID_CPU_SSE2, rbp |
CHECK_FEATURE CPUID_SSE2, XVID_CPU_SSE2, rbp, rdx |
147 |
|
|
148 |
|
; SSE3 support? |
149 |
|
CHECK_FEATURE CPUID_SSE3, XVID_CPU_SSE3, rbp, rcx |
150 |
|
|
151 |
; extended functions? |
; extended functions? |
152 |
mov rax, 0x80000000 |
mov rax, 0x80000000 |
166 |
jnz .cpu_quit |
jnz .cpu_quit |
167 |
|
|
168 |
; 3DNow! support ? |
; 3DNow! support ? |
169 |
CHECK_FEATURE EXT_CPUID_3DNOW, XVID_CPU_3DNOW, rbp |
CHECK_FEATURE EXT_CPUID_3DNOW, XVID_CPU_3DNOW, rbp, rdx |
170 |
|
|
171 |
; 3DNOW extended ? |
; 3DNOW extended ? |
172 |
CHECK_FEATURE EXT_CPUID_AMD_3DNOWEXT, XVID_CPU_3DNOWEXT, rbp |
CHECK_FEATURE EXT_CPUID_AMD_3DNOWEXT, XVID_CPU_3DNOWEXT, rbp, rdx |
173 |
|
|
174 |
; extended MMX ? |
; extended MMX ? |
175 |
CHECK_FEATURE EXT_CPUID_AMD_MMXEXT, XVID_CPU_MMXEXT, rbp |
CHECK_FEATURE EXT_CPUID_AMD_MMXEXT, XVID_CPU_MMXEXT, rbp, rdx |
176 |
|
|
177 |
.cpu_quit: |
.cpu_quit: |
178 |
|
|