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authorKartik Agaram <vc@akkartik.com>2018-09-28 23:08:27 -0700
committerKartik Agaram <vc@akkartik.com>2018-09-29 10:20:13 -0700
commit630433cd9cb97cf71d24bfc8fab6fb54ce40382a (patch)
treecf4cffae8599489e5efcbc18b965f804d5e3a8e8 /subx/examples/ex11
parentfd0cf1cd07ce01c3d6fe709d55b60ff9d1d5d44f (diff)
downloadmu-630433cd9cb97cf71d24bfc8fab6fb54ce40382a.tar.gz
4614 - redo simulated RAM
Now simulated 'Memory' isn't just a single flat array. Instead it knows
about segments and VMAs.

The code segment will always be first, and the data/heap segment will always
be second. The brk() syscall knows about the data segment.

One nice side-effect is that I no longer need to mess with Memory initialization
regardless of where I place my segments.
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