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Fix issue #104: Intel Coffee Lake and Kaby Lake

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Add support for detecting Coffee Lake i[357]s. Test included.
Thanks to @X0rg for reporting and to @exdeus for the raw cpu data.

The detection here relies on Kaby and Coffee lakes having different
number of cores for the equivalent brand:

i3: 2 cores in Kaby, 4 in Coffee
i5 and i7: 4 cores in Kaby, 6 in Coffee.
This commit is contained in:
Veselin Georgiev 2018-02-04 13:37:36 +02:00
commit f178de98f3
2 changed files with 105 additions and 0 deletions
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5
libcpuid/recog_intel.c
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@ -339,6 +339,11 @@ const struct match_entry_t cpudb_intel[] = {
{ 6, 14, -1, -1, 158, 2, -1, -1, NC, CELERON_ , 0, "Kaby Lake (Celeron)" },
{ 6, 14, -1, -1, 158, 2, -1, -1, NC, CORE_|_M_|_3 , 0, "Kaby Lake (Core m3)" },
/* Coffee Lake CPUs (14nm): */
{ 6, 14, -1, -1, 158, 6, -1, -1, NC, CORE_|_I_|_7 , 0, "Coffee Lake (Core i7)" },
{ 6, 14, -1, -1, 158, 6, -1, -1, NC, CORE_|_I_|_5 , 0, "Coffee Lake (Core i5)" },
{ 6, 14, -1, -1, 158, 4, -1, -1, NC, CORE_|_I_|_3 , 0, "Coffee Lake (Core i3)" },
/* Itaniums */
{ 7, -1, -1, -1, -1, 1, -1, -1, NC, 0 , 0, "Itanium" },
{ 15, -1, -1, 16, -1, 1, -1, -1, NC, 0 , 0, "Itanium 2" },