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Fixed issue #53: Broadwell-E not recognised properly

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The presence of RTM was previously incorrectly attributed to a Skylake
or later only CPUs. Broadwells have this as well, so the detected
intel_code_t for Broadwell-E was wrong (it was CORE_HASWELL*).
This commit is contained in:
Veselin Georgiev 2016-08-24 08:50:28 +03:00
parent 50530f7618
commit 1599fd5a27
1 changed files with 10 additions and 5 deletions
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15
libcpuid/recog_intel.c
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@ -302,11 +302,16 @@ const struct match_entry_t cpudb_intel[] = {
{ 6, 13, -1, -1, 61, 2, -1, -1, PENTIUM , 0, "Broadwell-U (Pentium)" },
{ 6, 13, -1, -1, 61, 2, -1, -1, CELERON , 0, "Broadwell-U (Celeron)" },
{ 6, 13, -1, -1, 61, 2, -1, -1, NA , 0, "Broadwell-U (Core M)" },
{ 6, 15, -1, -1, 79, 2, -1, -1, CORE_BROADWELL3 , 0, "Broadwell-E (Core i3)" },
{ 6, 15, -1, -1, 79, 2, -1, -1, CORE_BROADWELL5 , 0, "Broadwell-E (Core i5)" },
{ 6, 15, -1, -1, 79, 4, -1, -1, CORE_BROADWELL5 , 0, "Broadwell-E (Core i5)" },
{ 6, 15, -1, -1, 79, 2, -1, -1, CORE_BROADWELL7 , 0, "Broadwell-E (Core i7)" },
{ 6, 15, -1, -1, 79, 4, -1, -1, CORE_BROADWELL7 , 0, "Broadwell-E (Core i7)" },
/* Skylake CPUs (14nm): */
{ 6, 14, -1, -1, 94, 4, -1, -1, CORE_SKYLAKE7 , 0, "Skylake (Core i7)" },
{ 6, 14, -1, -1, 94, 4, -1, -1, CORE_SKYLAKE5 , 0, "Skylake (Core i5)" },
{ 6, 14, -1, -1, 94, 4, -1, -1, CORE_SKYLAKE3 , 0, "Skylake (Core i3)" },
{ 6, 14, -1, -1, 94, 4, -1, -1, CORE_BROADWELL7 , 0, "Skylake (Core i7)" },
{ 6, 14, -1, -1, 94, 4, -1, -1, CORE_BROADWELL5 , 0, "Skylake (Core i5)" },
{ 6, 14, -1, -1, 94, 4, -1, -1, CORE_BROADWELL3 , 0, "Skylake (Core i3)" },
{ 6, 14, -1, -1, 94, 4, -1, -1, PENTIUM , 0, "Skylake (Pentium)" },
/* Itaniums */
@ -641,9 +646,9 @@ static intel_code_t get_brand_code(struct cpu_id_t* data)
/* if it has FMA, then it is at least Haswell */
if (data->flags[CPU_FEATURE_FMA3])
core_ix_base = CORE_HASWELL3;
/* if it has RTM, then it is at least Skylake */
/* if it has RTM, then it is at least a Broadwell-E or Skylake */
if (data->flags[CPU_FEATURE_RTM])
core_ix_base = CORE_SKYLAKE3;
core_ix_base = CORE_BROADWELL3;
switch (bs[i + 9]) {
case '3': code = core_ix_base + 0; break;