Embedded Swift support - #357
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My experiments to run on ESP32c6 |
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@Joannis This is so cool! If you don't mind me pushing to your branch, I'll do some tweaks so that we can land this to main branch. |
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There are unrelated errors on CI introduced on |
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kateinoigakukun
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Extracted from #357 Co-Authored-By: Joannis Orlandos <joannis@orlandos.nl>
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Extracted from #357 Co-Authored-By: Joannis Orlandos <joannis@orlandos.nl>
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Extracted from #357 Co-Authored-By: Joannis Orlandos <joannis@orlandos.nl>
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Extracted from #357 Co-Authored-By: Joannis Orlandos <joannis@orlandos.nl>
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Extracted from #357 Co-Authored-By: Joannis Orlandos <joannis@orlandos.nl>
kkebo
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…ers (swiftwasm#369) Extracted from swiftwasm#357 Co-authored-by: Joannis Orlandos <joannis@orlandos.nl>
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Part of the Embedded Swift support work (swiftwasm#357), split out for incremental review. Adds a `MultiThread` package trait (enabled by default) and a `PlatformMutex` wrapper in `Sources/WasmKit/Platform/`: - With the trait enabled, `PlatformMutex` is backed by `Synchronization.Mutex`, forwarding the closure directly so the state type needs no `Sendable` bound. - With the trait disabled, it degrades to plain unsynchronized storage with the same non-copyable shape. This serves single-threaded environments such as bare-metal Embedded Swift targets, where the `Synchronization` module provides no `Mutex`. Disabling the trait is a promise that the process runs single-threaded, so the fallback carries `@unchecked Sendable`. `Interner` adopts the wrapper, replacing its direct `Mutex` use. Its lock property is annotated `nonisolated(unsafe)` because the single-threaded fallback mutates in place (`mutating withLock`), which `Sendable` checking cannot see through. The class conformance itself stays checked. The CMake build defines `MultiThread` unconditionally. No functional change with default traits.
This was referenced Jul 29, 2026
kateinoigakukun
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Builds WasmKit for ESP32-C6 via ESP-IDF v5.5 + Embedded Swift (one IDF component per SwiftPM module) and runs a wasm module on emulated ESP32-C3 in QEMU via Examples/embedded-esp32/smoke-test.sh. This example is based on the Embedded Swift support originally developed by Joannis Orlandos in #357. Co-authored-by: Joannis Orlandos <joannis@orlandos.nl>
kateinoigakukun
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Builds WasmKit for ESP32-C6 via ESP-IDF v5.5 + Embedded Swift (one IDF component per SwiftPM module) and runs a wasm module on emulated ESP32-C3 in QEMU via Examples/embedded-esp32/smoke-test.sh. A new build-embedded CI job compile-checks the engine for riscv32-none-none-eabi with Embedded Swift (Utilities/build-embedded.sh), so embedded compatibility is maintained without ESP-IDF on the runners. The Embedded Swift support in the engine was originally developed by Joannis Orlandos in #357.
kateinoigakukun
added a commit
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Jul 29, 2026
Builds WasmKit for ESP32-C6 via ESP-IDF v5.5 + Embedded Swift (one IDF component per SwiftPM module) and runs a wasm module on emulated ESP32-C3 in QEMU via Examples/embedded-esp32/smoke-test.sh. A new build-embedded CI job compile-checks the engine for riscv32-none-none-eabi with Embedded Swift (Utilities/build-embedded.sh), so embedded compatibility is maintained without ESP-IDF on the runners. The Embedded Swift support in the engine was originally developed by Joannis Orlandos in #357.
kateinoigakukun
added a commit
that referenced
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Jul 29, 2026
Builds WasmKit for ESP32-C6 via ESP-IDF v5.5 + Embedded Swift (one IDF component per SwiftPM module) and runs a wasm module on emulated ESP32-C3 in QEMU via Examples/embedded-esp32/smoke-test.sh. A new build-embedded CI job compile-checks the engine for riscv32-none-none-eabi with Embedded Swift (Utilities/build-embedded.sh), so embedded compatibility is maintained without ESP-IDF on the runners. The Embedded Swift support in the engine was originally developed by Joannis Orlandos in #357. Co-authored-by: Joannis Orlandos <joannis@orlandos.nl>
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