diff options
Diffstat (limited to 'src/esp32p4/selftest.zig')
| -rw-r--r-- | src/esp32p4/selftest.zig | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/src/esp32p4/selftest.zig b/src/esp32p4/selftest.zig index 0d692d98..97b43059 100644 --- a/src/esp32p4/selftest.zig +++ b/src/esp32p4/selftest.zig @@ -35,22 +35,18 @@ //! //! Four of its modules and no more: `soc` (mask-ROM printf, the cycle counter), `hal` (UART0, the //! systimer, clock/reset), `config` (this build's `cpu_mhz`) and `heap` (the coalescing allocator). -//! They arrive as the `zig_p4` dependency, which also supplies what makes this an image at all - -//! the generated linker script, `ENTRY(_start)` and the app descriptor via `firmware(...).attach`, -//! then `ImageStep`, `FlashStep` and `SelftestStep`. +//! The sibling `05-zig-p4` build supplies these modules and the firmware image tooling. //! //! `input_rescue` is the fifth import and is NOT that package's: it is the sibling file in this //! directory, handed over as a named MODULE rather than imported as a path. Deliberately so - the //! `pub` on `FakePort`'s methods below is what lets that module reach them by duck typing across the -//! boundary, and both builds, this repository's `esp32p4-test` and the toolchain's `selftest`, wire -//! the identical root the identical way. One file, one arrangement, nothing to drift. +//! boundary. The toolchain's `selftest` step wires this root and that module together. //! //! Not a `zig test` binary, deliberately. Zig's test runner wants an OS, and `std.testing.allocator` //! is a debug allocator over the page allocator, which on freestanding is either a compile error or //! a lie. A hand-rolled harness is thirty lines and answers to nobody. //! -//! Run with: zig build esp32p4-test -Dplatform=esp32p4 -Desp32p4-firmware (from here) -//! or: zig build selftest (from ../05-zig-p4) +//! From `../05-zig-p4`, `zig build selftest` flashes and runs this suite on hardware. const std = @import("std"); const soc = @import("soc"); |