admin/brew
1
0
Fork 0
Code Issues Packages Projects Releases 6 Wiki Activity

Recognize AMD CPUs on Linux

Browse Source
This commit is contained in:
Maxim Belkin 2020-11-30 05:38:13 -06:00
parent 8fe91aacc3
commit 97c9a952d3
1 changed files with 40 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
Library/Homebrew/extend/os/linux/hardware/cpu.rb
View File

@ -20,12 +20,24 @@ module Hardware
# See https://software.intel.com/en-us/articles/intel-architecture-and-processor-identification-with-cpuid-model-and-family-numbers
# and https://github.com/llvm-mirror/llvm/blob/HEAD/lib/Support/Host.cpp
# and https://en.wikipedia.org/wiki/List_of_Intel_CPU_microarchitectures#Roadmap
vendor_id = cpuinfo[/^vendor_id\s*: (.*)/, 1]
cpu_family = cpuinfo[/^cpu family\s*: ([0-9]+)/, 1].to_i
cpu_model = cpuinfo[/^model\s*: ([0-9]+)/, 1].to_i
unknown = :"unknown_0x#{cpu_family.to_s(16)}_0x#{cpu_model.to_s(16)}"
case cpu_family
case vendor_id
when "GenuineIntel"
intel_family(cpu_family, cpu_model) || unknown
when "AuthenticAMD"
amd_family(cpu_family) || unknown
else
unknown
end
end
def intel_family(family, model)
case family
when 0x06
case cpu_model
case model
when 0x3a, 0x3e
:ivybridge
when 0x2a, 0x2d
@ -52,20 +64,39 @@ module Hardware
:cannonlake
when 0x6a, 0x6c, 0x7d, 0x7e
:icelake
else
unknown
end
when 0x0f
case cpu_model
case model
when 0x06
:presler
when 0x03, 0x04
:prescott
else
unknown
end
else
unknown
end
end
def amd_family(family)
case family
when 0x06
:amd_k7
when 0x0f
:amd_k8
when 0x10
:amd_k10
when 0x11
:amd_k8_k10_hybrid
when 0x12
:amd_k12
when 0x14
:bobcat
when 0x15
:bulldozer
when 0x16
:jaguar
when 0x17
:zen
when 0x19
:zen3
end
end