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refactor: rework init

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Loïc Grégoire
2026-03-29 18:53:33 -04:00
parent 73ae92b460
commit 572ab0e47c
8 changed files with 34 additions and 69 deletions
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src/kern/init.zig
+3 -46
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@@ -3,34 +3,11 @@ const b = @import("base");
const pl = b.pl;
const ke = b.ke;
const ki = ke.private;
const ex = b.ex;
var thread0: ke.Thread = undefined;
var stack: [8192]u8 align(16) = undefined;
fn handler(_: ?*anyopaque) void {
std.log.info("Hi! CPU {}", .{ke.curcpu().id});
while (true) {}
}
var temp_stack1: [8192]u8 align(16) = undefined;
var temp_stack2: [8192]u8 align(16) = undefined;
var temp_stack3: [8192]u8 align(16) = undefined;
var stacks: []const []u8 = &.{&temp_stack1, &temp_stack2, &temp_stack3};
var which_stack: usize = 0;
fn make_thread(entry: *const fn (?*anyopaque) void, td: *ke.Thread, arg: ?*anyopaque) void {
std.debug.assert(which_stack < 3);
const _stack = stacks[which_stack];
which_stack += 1;
td.init(@intFromPtr(_stack.ptr), 16384, entry, arg);
}
var threads: [1]ke.Thread = undefined;
pub fn init(boot_info: *pl.BootInfo) linksection(b.init) void {
pl.early_init();
ki.bootstrap_cpu.init(&thread0);
@@ -40,27 +17,7 @@ pub fn init(boot_info: *pl.BootInfo) linksection(b.init) void {
thread0.priority_class = .Idle;
std.log.info("hello, world", .{});
std.log.info("Zag for {s}, cmdline is {?s}", .{ pl.name, boot_info.cmdline });
std.log.info("Zag for {s}, cmdline is \"{?s}\"", .{ pl.name, boot_info.cmdline });
pl.late_init();
ki.sched.late_init();
if (boot_info.framebuffer == null) {
const ipl = ke.ipl.raise(.Dispatch);
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]);
}
while (true) {}
ex.private.init(boot_info);
}