transmeta crusoe mmx detection by "Nobody/Anonymous - nobody" / sf feature request tracker

Originally committed as revision 3248 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-06-24 22:13:44 +00:00 · 2004-06-24 22:13:44 +00:00 · 4c99f2cdbe
parent 504c8380a3
commit 4c99f2cdbe
1 changed files with 11 additions and 0 deletions
--- a/libavcodec/i386/cputest.c
+++ b/libavcodec/i386/cputest.c
@ -114,6 +114,17 @@ int mm_support(void)
        if (eax & 0x01000000)
            rval |= MM_MMXEXT;
        return rval;
+    } else if (ebx == 0x756e6547 &&
+               edx == 0x54656e69 &&
+               ecx == 0x3638784d) {
+        /* Tranmeta Crusoe */
+        cpuid(0x80000000, eax, ebx, ecx, edx);
+        if ((unsigned)eax < 0x80000001)
+            return 0;
+        cpuid(0x80000001, eax, ebx, ecx, edx);
+        if ((edx & 0x00800000) == 0)
+            return 0;
+        return MM_MMX;
    } else {
        return 0;
    }