62 lines
1.7 KiB
Ruby
62 lines
1.7 KiB
Ruby
require_relative "collector"
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module Risc
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# The Risc Machine is an abstraction of the register level. This is seperate from the
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# actual assembler level to allow for several cpu architectures.
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# The Instructions (see class Instruction) define what the machine can do (ie load/store/maths)
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# From code, the next step down is Vool, then Mom (in two steps)
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#
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# The next step transforms to the register machine layer, which is quite close to what actually
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# executes. The step after transforms to Arm, which creates executables.
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#
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class Machine
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include Collector
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include Logging
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log_level :info
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def initialize
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@booted = false
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@constants = []
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end
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attr_reader :constants , :risc_init , :cpu_init , :booted
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# idea being that later method missing could catch translate_xxx and translate to target xxx
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# now we just instantiate ArmTranslater and pass instructions
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def translate_arm
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methods = Parfait.object_space.collect_methods
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translate_methods( methods )
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@cpu_init = Arm::Translator.new.translate( @risc_init )
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end
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def translate_methods(methods)
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translator = Arm::Translator.new
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methods.each do |method|
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log.debug "Translate method #{method.name}"
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method.translate_cpu(translator)
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end
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end
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def boot
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initialize
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boot_parfait!
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@risc_init = Branch.new( "__initial_branch__" , Parfait.object_space.get_init.risc_instructions )
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@booted = true
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self
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end
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end
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# Module function to retrieve singleton
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def self.machine
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unless defined?(@machine)
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@machine = Machine.new
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end
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@machine
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end
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end
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require_relative "boot"
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