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[WIP] Windows: add i386 (windows/386) support #4629

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@aykevl aykevl commented Nov 26, 2024

This is not fully working, but very simple programs do work.

The issue I'm currently hitting is that syscall.loadsystemlibrary (defined in src/runtime/runtime_windows.go) appears to be corrupting memory. Or maybe it just overwrites registers, I'm not sure.

See: #3353

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github-actions bot commented Nov 26, 2024

Size difference with the dev branch:

Binary size difference
 flash                          ram
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  85932   85932      0   0.00%    5140    5140      0   0.00% tinygo build -size short -o ./build/test.hex -target=challenger-rp2040 ./examples/net/ntpclient/
 296148  296148      0   0.00%   13776   13776      0   0.00% tinygo build -size short -o ./build/test.hex -target=pyportal -stack-size 8kb ./examples/net/http-get/
 118824  118824      0   0.00%    7832    7832      0   0.00% tinygo build -size short -o ./build/test.hex -target=arduino-nano33 -stack-size 8kb ./examples/net/tcpclient/
 244988  244988      0   0.00%   10476   10476      0   0.00% tinygo build -size short -o ./build/test.hex -target=nano-rp2040 -stack-size 8kb ./examples/net/websocket/dial/
 102712  102712      0   0.00%    9808    9808      0   0.00% tinygo build -size short -o ./build/test.hex -target=metro-m4-airlift -stack-size 8kb ./examples/net/socket/
 337952  337952      0   0.00%   15352   15352      0   0.00% tinygo build -size short -o ./build/test.hex -target=matrixportal-m4 -stack-size 8kb ./examples/net/webstatic/
 111052  111052      0   0.00%    7764    7764      0   0.00% tinygo build -size short -o ./build/test.hex -target=arduino-mkrwifi1010 -stack-size 8kb ./examples/net/tlsclient/
 153720  153720      0   0.00%    6540    6540      0   0.00% tinygo build -size short -o ./build/test.hex -target=nano-rp2040 -stack-size 8kb ./examples/net/mqttclient/natiu/
 116640  116640      0   0.00%   13124   13124      0   0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/webclient/
 285696  285696      0   0.00%   17804   17804      0   0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/webserver/
 286560  286560      0   0.00%   18192   18192      0   0.00% tinygo build -size short -o ./build/test.hex -target=wioterminal -stack-size 8kb ./examples/net/mqttclient/paho/
5326110 5326110      0   0.00%  810370  810370      0   0.00%

@aykevl aykevl marked this pull request as draft November 26, 2024 09:21
@aykevl aykevl marked this pull request as ready for review November 26, 2024 09:22
@aykevl aykevl changed the title Windows: add i386 (windows/386) support WIP Windows: add i386 (windows/386) support Nov 26, 2024
@aykevl aykevl changed the title WIP Windows: add i386 (windows/386) support [WIP] Windows: add i386 (windows/386) support Nov 26, 2024
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