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build: rewrite ksyms script in zig

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Loïc Grégoire
2026-08-20 19:53:49 -04:00
parent 0e48c47674
commit 36f3175a7f
3 changed files with 174 additions and 96 deletions
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build.zig
+13 -7
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@@ -36,11 +36,19 @@ pub fn build(b: *std.Build) void {
.optimize = optimize,
});
// first pass
const empty_cmd = b.addSystemCommand(&.{ "python3", "build/ksyms.py", "--empty" });
empty_cmd.addArg("--output");
const ksyms_exe = b.addExecutable(.{
.name = "ksyms",
.root_module = b.createModule(.{
.root_source_file = b.path("build/ksyms.zig"),
.target = b.graph.host,
}),
});
const empty_cmd = b.addRunArtifact(ksyms_exe);
const empty_ksyms_s = empty_cmd.addOutputFileArg("ksyms_empty.s");
empty_cmd.stdio = .inherit;
const rtl_module = b.createModule(.{
.root_source_file = b.path("src/rtl/root.zig"),
.optimize = optimize,
@@ -69,12 +77,10 @@ pub fn build(b: *std.Build) void {
b.step("kernel-nosym", "Build nosym kernel").dependOn(&kernel_nosym.step);
// generate symbols
const ksyms = b.addSystemCommand(&.{ "python3", "build/ksyms.py" });
ksyms.addArg("--input");
const ksyms = b.addRunArtifact(ksyms_exe);
ksyms.step.dependOn(&kernel_nosym.step);
ksyms.addFileArg(kernel_nosym.getEmittedBin());
ksyms.addArg("--output");
const ksyms_s = ksyms.addOutputFileArg("ksyms.s");
ksyms.addFileArg(kernel_nosym.getEmittedBin());
// second pass
const kernel = addKernel(b, plat, optimize, config_module, ksyms_module, rtl_module, arch_module);