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Versions: 11
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Contents
module Origen
module Memory
def memory(address, options = {})
if is_top_level?
r = "mem_#{address.to_s(16)}".to_sym
unless has_reg?(r)
if memory_address_aligned?(address)
add_reg r, address, size: memory_width
end
end
send(r)
else
Origen.top_level.memory(address + base_address, options)
end
end
alias_method :mem, :memory
def memory_address_aligned?(address)
b = (memory_width / 8) - 1
unless address & b == 0
s = b - 1
aligned = (address >> s) << s
fail "Address #{address.to_hex} is not aligned to the memory width, it should be #{aligned.to_hex}"
end
true
end
def memory_width
if is_top_level?
@memory_width ||= 32
else
Origen.top_level.memory_width
end
end
def memory_width=(size)
if is_top_level?
unless size % 8 == 0
fail 'Memory width must be a multiple of 8'
end
if @memory_width
fail 'The memory width cannot be changed after a memory location has been referenced'
end
@memory_width = size
else
Origen.top_level.memory_width = size
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems