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8 commits

Author SHA1 Message Date
John Ericson 2c2f1e37d4 reewide: Purge all uses stdenv.system and top-level system 
It is deprecated and will be removed after 18.09.
 2018-08-30 17:20:32 -04:00
volth 341250fa10 qemu: 2.12.1 -> 3.0.0 2018-08-20 22:02:02 +00:00
Matthew Bauer 753c63dbc1 qemu-flags: default to qemu-kvm 
this is the "generic" version & should work everywhere.

also add darwin case
 2018-05-31 12:34:15 -04:00
John Ericson ba52ae5048 treewide: isArm -> isAarch32 
Following legacy packing conventions, `isArm` was defined just for
32-bit ARM instruction set. This is confusing to non packagers though,
because Aarch64 is an ARM instruction set.

The official ARM overview for ARMv8[1] is surprisingly not confusing,
given the overall state of affairs for ARM naming conventions, and
offers us a solution. It divides the nomenclature into three levels:

```
ISA:             ARMv8   {-A, -R, -M}
                 /    \
Mode:     Aarch32     Aarch64
             |         /   \
Encoding:   A64      A32   T32
```

At the top is the overall v8 instruction set archicture. Second are the
two modes, defined by bitwidth but differing in other semantics too, and
buttom are the encodings, (hopefully?) isomorphic if they encode the
same mode.

The 32 bit encodings are mostly backwards compatible with previous
non-Thumb and Thumb encodings, and if so we can pun the mode names to
instead mean "sets of compatable or isomorphic encodings", and then
voilà we have nice names for 32-bit and 64-bit arm instruction sets
which do not use the word ARM so as to not confused either laymen or
experienced ARM packages.

[1]: https://developer.arm.com/products/architecture/a-profile
 2018-04-25 15:28:55 -04:00
Tuomas Tynkkynen 71631a922b runInLinuxVM: Use QEMU command line that works on other architectures 
... by moving the existing definition to qemu-flags.nix and reusing
that.
 2018-01-30 16:57:27 +02:00
Tuomas Tynkkynen 8e83158f12 nixos/qemu: Deduplicate QEMU serialDevice into qemu-flags.nix 2018-01-30 16:57:27 +02:00
Tuomas Tynkkynen 1ce1380497 nixos/qemu-flags: Take a 'pkgs' parameter 
I'm gonna use it in the next commit.
 2018-01-30 16:57:27 +02:00
Eelco Dolstra 5c1f8cbc70 Move all of NixOS to nixos/ in preparation of the repository merge 2013-10-10 13:28:20 +02:00
Renamed from lib/qemu-flags.nix (Browse further)