611bca39ab
Let the standard library think that it is compiling for js/wasm. The most correct way of supporting bare metal Cortex-M targets would be using the 'arm' build tag and specifying no OS or an 'undefined' OS (perhaps GOOS=noos?). However, there is no build tag for specifying no OS at all, the closest possible is GOOS=js which makes very few assumptions. Sadly GOOS=js also makes some assumptions: it assumes to be running with GOARCH=wasm. This would not be such a problem, just add js, wasm and arm as build tags. However, having two GOARCH build tags leads to an error in internal/cpu: it defines variables for both architectures which then conflict. To work around these problems, the 'arm' target has been renamed to 'tinygo.arm', which should work around these problems. In the future, a GOOS=noos (or similar) should be added which can work with any architecture and doesn't implement OS-specific stuff.
20 строки
562 Б
JSON
20 строки
562 Б
JSON
{
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"llvm-target": "armv7m-none-eabi",
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"build-tags": ["qemu", "lm3s6965", "tinygo.arm", "js", "wasm"],
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"linker": "arm-none-eabi-gcc",
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"compiler-rt": true,
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"pre-link-args": [
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"-nostdlib",
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"-nostartfiles",
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"-mcpu=cortex-m0",
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"-mthumb",
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"-T", "targets/lm3s6965.ld",
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"-Wl,--gc-sections",
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"-fno-exceptions", "-fno-unwind-tables",
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"-ffunction-sections", "-fdata-sections",
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"-Os",
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"targets/cortex-m.s"
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],
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"objcopy": "arm-none-eabi-objcopy",
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"emulator": ["qemu-system-arm", "-machine", "lm3s6965evb", "-semihosting", "-nographic", "-kernel"]
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}
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