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finished init routine

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and better implemented sys calls
This commit is contained in:
Torsten Ruger
2015-06-25 16:31:09 +03:00
parent cedc6e1b61
commit 32e1903884
10 changed files with 57 additions and 26 deletions
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24
lib/register/builtin/kernel.rb
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@ -1,18 +1,24 @@
module Builtin
module Kernel
module ClassMethods
# this is the really really first place the machine starts.
# this is the really really first place the machine starts (apart from the jump here)
# it isn't really a function, ie it is jumped to (not called), exits and may not return
# so it is responsible for initial setup (and relocation)
# so it is responsible for initial setup
def __init__ context
function = Virtual::CompiledMethodInfo.create_method(:Kernel,:__init__ , [])
# puts "INIT LAYOUT #{function.get_layout.get_layout}"
function.info.return_type = Virtual::Integer
main = Virtual.machine.space.get_main
me = Virtual::Self.new(Virtual::Reference)
code = Virtual::Set.new(me , Virtual::Self.new(me.type))
function.info.add_code(code)
function.info.add_code Virtual::MethodCall.new(main)
# no method enter or return (automatically added), remove
function.info.blocks.first.codes.pop # no Method enter
function.info.blocks.last.codes.pop # no Method return
#Set up the Space as self upon init
space = Parfait::Space.object_space
function.info.add_code Register::LoadConstant.new( space , Virtual::Slot::SELF_REGISTER)
message_ind = space.get_layout().index_of( :next_message )
# Load the message to message register (0)
function.info.add_code Register::GetSlot.new( Virtual::Slot::SELF_REGISTER , message_ind , Virtual::Slot::MESSAGE_REGISTER)
# now we are set up to issue a call to the main
function.info.add_code Virtual::MethodCall.new(Virtual.machine.space.get_main)
emit_syscall( function , :exit )
return function
end
def putstring context
@ -49,7 +55,7 @@ module Builtin
space_tmp = Register::RegisterReference.tmp_reg
ind = Parfait::Space.object_space.get_layout().index_of( :syscall_message )
raise "index not found for :syscall_message" unless ind
function.info.add_code Register::LoadConstant.new( space_tmp , Parfait::Space.object_space )
function.info.add_code Register::LoadConstant.new( Parfait::Space.object_space , space_tmp)
function.info.add_code Register::SetSlot.new( Virtual::Slot::MESSAGE_REGISTER , space_tmp , ind)
end
def restore_message(function)