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Calculate L2 cache size for AMD CPUs.

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svn path=/trunk/; revision=26907
This commit is contained in:
Eric Kohl 2007-05-26 16:37:11 +00:00
parent 15e6e8404d
commit c6c58b7697
1 changed files with 13 additions and 5 deletions
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18
reactos/ntoskrnl/ke/i386/cpu.c
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@ -510,13 +510,21 @@ KiGetCacheInformation(VOID)
}
} while (--CacheRequests);
}
break;
break;
case CPU_AMD:
case CPU_AMD:
/* FIXME */
DPRINT1("Not handling AMD caches yet\n");
break;
/* Check if we support CPUID 0x80000006 */
CPUID(Data, 0x80000000);
if (Data[0] >= 6)
{
/* Get 2nd level cache and tlb size */
CPUID(Data, 0x80000006);
/* Set the L2 Cache Size */
Pcr->SecondLevelCacheSize = (Data[2] & 0xFFFF0000) >> 6;
}
break;
}
}