This seems to be a more official, common, simple way to check if the CPU is dual core or
single core. Signed-off-by: Zheng Bao <zheng.bao@amd.com> Acked-by: Ronald G. Minnich <rminnich@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4415 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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@ -125,11 +125,7 @@ static u32 get_sbdn(u32 bus)
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static u8 dual_core()
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{
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if(((cpuid_eax(0x80000000) & ~0xff) >= 8)) {
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if(cpuid_ecx(0x80000008) & 1)
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return 1;
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}
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return 0;
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return (pci_read_config32(PCI_DEV(0, 0x18, 3), 0xE8) & (0x3<<12)) != 0;
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}
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/*
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