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feat(pl/um): add SDL support

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Loïc Grégoire
2026-03-25 17:20:50 -04:00
parent d59cb46154
commit b038bbc46c
4 changed files with 145 additions and 10 deletions
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src/kern/init.zig
+16 -9
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@@ -14,13 +14,13 @@ fn handler(_: ?*anyopaque) void {
while (true) {}
}
fn make_thread(entry: *const fn (?*anyopaque) void, td: *ke.Thread) void {
fn make_thread(entry: *const fn (?*anyopaque) void, td: *ke.Thread, arg: ?*anyopaque) void {
const _stack = std.heap.page_allocator.alloc(u8, 16384) catch @panic("wtf");
td.init(@intFromPtr(_stack.ptr), 16384, entry, null);
td.init(@intFromPtr(_stack.ptr), 16384, entry, arg);
}
var threads: [10]ke.Thread = undefined;
var threads: [1]ke.Thread = undefined;
pub fn init(boot_info: *pl.BootInfo) linksection(b.init) void {
pl.early_init();
@@ -37,14 +37,21 @@ pub fn init(boot_info: *pl.BootInfo) linksection(b.init) void {
ki.sched.late_init();
_ = ke.ipl.raise(.Dispatch);
if (boot_info.framebuffer == null) {
const ipl = ke.ipl.raise(.Dispatch);
for (0..threads.len) |i| {
make_thread(handler, &threads[i]);
ke.sched.enqueue(&threads[i]);
for (&threads) |*td| {
make_thread(&handler, td, null);
td.priority = ke.Thread.Priority.default;
td.priority_class = .Batch;
ke.sched.enqueue(td);
}
ke.ipl.lower(ipl);
} else {
make_thread(&b.ex.fireworks.start, &threads[0], boot_info);
ke.sched.enqueue(&threads[0]);
}
ke.ipl.lower(.Passive);
while (true) {}
}