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| author | whitequark <whitequark@whitequark.org> | 2020-12-02 08:25:27 +0000 |
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| committer | whitequark <whitequark@whitequark.org> | 2020-12-02 08:25:27 +0000 |
| commit | 5beab5bc17f9fa1f2340b491e073cfb973ad2e2b (patch) | |
| tree | 3f1417445d1012a9afeb7b81e6440ea6dc280d8a /frontends/json | |
| parent | 7b0cfd5c36af774ae255459d4ef0fa0934929902 (diff) | |
| download | yosys-5beab5bc17f9fa1f2340b491e073cfb973ad2e2b.tar.gz yosys-5beab5bc17f9fa1f2340b491e073cfb973ad2e2b.tar.bz2 yosys-5beab5bc17f9fa1f2340b491e073cfb973ad2e2b.zip | |
cxxrtl: provide a way to perform unobtrusive power-on reset.
Although it is always possible to destroy and recreate the design to
simulate a power-on reset, this has two drawbacks:
* Black boxes are also destroyed and recreated, which causes them
to reacquire their resources, which might be costly and/or erase
important state.
* Pointers into the design are invalidated and have to be acquired
again, which is costly and might be very inconvenient if they are
captured elsewhere (especially through the C API).
Diffstat (limited to 'frontends/json')
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