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| author | whitequark <whitequark@whitequark.org> | 2020-12-02 23:35:54 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-12-02 23:35:54 +0000 |
| commit | 98f7b435b0b7bdf9f2beb0ee9cc561afb39a619c (patch) | |
| tree | 9eab3cb2f4156d555750daf1c5a8c8fb1873252f /backends/cxxrtl/cxxrtl_capi.h | |
| parent | 90724ea9e7bc5872dd8412521399221722756c4e (diff) | |
| parent | 5beab5bc17f9fa1f2340b491e073cfb973ad2e2b (diff) | |
| download | yosys-98f7b435b0b7bdf9f2beb0ee9cc561afb39a619c.tar.gz yosys-98f7b435b0b7bdf9f2beb0ee9cc561afb39a619c.tar.bz2 yosys-98f7b435b0b7bdf9f2beb0ee9cc561afb39a619c.zip | |
Merge pull request #2466 from whitequark/cxxrtl-reset
cxxrtl: provide a way to perform unobtrusive power-on reset
Diffstat (limited to 'backends/cxxrtl/cxxrtl_capi.h')
| -rw-r--r-- | backends/cxxrtl/cxxrtl_capi.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/backends/cxxrtl/cxxrtl_capi.h b/backends/cxxrtl/cxxrtl_capi.h index 385d6dcf3..662bf2c20 100644 --- a/backends/cxxrtl/cxxrtl_capi.h +++ b/backends/cxxrtl/cxxrtl_capi.h @@ -55,6 +55,14 @@ cxxrtl_handle cxxrtl_create(cxxrtl_toplevel design); // Release all resources used by a design and its handle. void cxxrtl_destroy(cxxrtl_handle handle); +// Reinitialize the design, replacing the internal state with the reset values while preserving +// black boxes. +// +// This operation is essentially equivalent to a power-on reset. Values, wires, and memories are +// returned to their reset state while preserving the state of black boxes and keeping all of +// the interior pointers obtained with e.g. `cxxrtl_get` valid. +void cxxrtl_reset(cxxrtl_handle handle); + // Evaluate the design, propagating changes on inputs to the `next` value of internal state and // output wires. // |