149 lines
3.3 KiB
Ruby
149 lines
3.3 KiB
Ruby
require 'mach'
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module MacCPUs
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OPTIMIZATION_FLAGS = {
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:penryn => '-march=core2 -msse4.1',
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:core2 => '-march=core2',
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:core => '-march=prescott',
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:g3 => '-mcpu=750',
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:g4 => '-mcpu=7400',
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:g4e => '-mcpu=7450',
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:g5 => '-mcpu=970'
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}.freeze
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def optimization_flags; OPTIMIZATION_FLAGS; end
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# These methods use info spewed out by sysctl.
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# Look in <mach/machine.h> for decoding info.
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def type
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@type ||= `/usr/sbin/sysctl -n hw.cputype`.to_i
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case @type
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when 7
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:intel
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when 18
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:ppc
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else
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:dunno
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end
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end
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def family
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if intel?
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case @intel_family ||= `/usr/sbin/sysctl -n hw.cpufamily`.to_i
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when 0x73d67300 # Yonah: Core Solo/Duo
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:core
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when 0x426f69ef # Merom: Core 2 Duo
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:core2
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when 0x78ea4fbc # Penryn
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:penryn
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when 0x6b5a4cd2 # Nehalem
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:nehalem
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when 0x573B5EEC # Arrandale
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:arrandale
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when 0x5490B78C # Sandy Bridge
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:sandybridge
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when 0x1F65E835 # Ivy Bridge
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:ivybridge
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when 0x10B282DC # Haswell
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:haswell
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else
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:dunno
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end
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elsif ppc?
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case @ppc_family ||= `/usr/sbin/sysctl -n hw.cpusubtype`.to_i
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when 9
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:g3 # PowerPC 750
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when 10
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:g4 # PowerPC 7400
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when 11
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:g4e # PowerPC 7450
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when 100
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# This is the only 64-bit PPC CPU type, so it's useful
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# to distinguish in `brew config` output and in bottle tags
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MacOS.prefer_64_bit? ? :g5_64 : :g5 # PowerPC 970
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else
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:dunno
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end
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end
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end
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def extmodel
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@extmodel ||= `/usr/sbin/sysctl -n machdep.cpu.extmodel`.to_i
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end
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def cores
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@cores ||= `/usr/sbin/sysctl -n hw.ncpu`.to_i
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end
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def bits
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@bits ||= sysctl_bool("hw.cpu64bit_capable") ? 64 : 32
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end
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def arch_32_bit
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intel? ? :i386 : :ppc
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end
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def arch_64_bit
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intel? ? :x86_64 : :ppc64
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end
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# Returns an array that's been extended with ArchitectureListExtension,
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# which provides helpers like #as_arch_flags and #as_cmake_arch_flags.
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def universal_archs
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# Building 64-bit is a no-go on Tiger, and pretty hit or miss on Leopard.
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# Don't even try unless Tigerbrew's experimental 64-bit Leopard support is enabled.
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if MacOS.version <= :leopard and !MacOS.prefer_64_bit?
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[arch_32_bit].extend ArchitectureListExtension
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else
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[arch_32_bit, arch_64_bit].extend ArchitectureListExtension
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end
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end
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def features
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@features ||= `/usr/sbin/sysctl -n machdep.cpu.features`.split(" ").map do |s|
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s.downcase.intern
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end
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end
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def aes?
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sysctl_bool('hw.optional.aes')
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end
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def altivec?
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sysctl_bool('hw.optional.altivec')
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end
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def avx?
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sysctl_bool('hw.optional.avx1_0')
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end
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def avx2?
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sysctl_bool('hw.optional.avx2_0')
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end
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def sse3?
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sysctl_bool('hw.optional.sse3')
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end
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def ssse3?
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sysctl_bool('hw.optional.supplementalsse3')
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end
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def sse4?
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sysctl_bool('hw.optional.sse4_1')
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end
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def sse4_2?
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sysctl_bool('hw.optional.sse4_2')
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end
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protected
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def sysctl_bool(property)
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(@properties ||= {}).fetch(property) do
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result = Utils.popen_read("/usr/sbin/sysctl", "-n", property, &:gets).to_i
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# sysctl call succeded and printed 1
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@properties[property] = $?.success? && result == 1
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end
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end
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end
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