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nintendoswitch: support outputting .nro files directly

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By modifying the linker script a bit and adding the NRO0 header directly
in the assembly, it's possible to craft an ELF file that can be
converted straight to a binary (using objcopy or similar) that is a NRO
file. This avoids custom code for NRO files or an extra build step.

With another change, .nro files are recognized by TinyGo so that this
will create a ready-to-run NRO file:

    tinygo build -o test.nro -target=nintendoswitch examples/serial
This commit is contained in:
Ayke van Laethem
2020-09-08 22:44:05 +02:00
committed by Ron Evans
parent 81e325205f
commit 9e599bac49
4 changed files with 64 additions and 30 deletions
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Makefile
+2 -2
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@@ -373,8 +373,8 @@ endif
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=pca10040 -opt=1 examples/blinky1
@$(MD5SUM) test.hex
$(TINYGO) build -o test.elf -target=nintendoswitch examples/serial
@$(MD5SUM) test.elf
$(TINYGO) build -o test.nro -target=nintendoswitch examples/serial
@$(MD5SUM) test.nro
wasmtest:
$(GO) test ./tests/wasm