Zag/src/kern/init.zig

const std = @import("std");
const r = @import("root");
const pl = r.pl;
const ke = r.ke;
const arch = r.arch;
const ki = ke.private;
const ex = r.ex;

var thread0: ke.Thread = undefined;
var stack: [r.kib(16)]u8 align(16) = undefined;

pub fn init(boot_info: *r.BootInfo) linksection(r.init) void {
    r.boot_info = boot_info;
    ke.ncpus = 1;
    ki.impl.early_init();
    ki.tunable.init();
    std.log.info("Welcome to the machine", .{});
    pl.early_init();
    ki.log.init();
    ki.cpu.init_cpu(0);
    ki.turnstile.init_turnstiles();

    thread0.init(
        @intFromPtr(&stack),
        r.kib(16),
        ke.Thread.Priority.idle_low,
        ki.sched.idle,
        null,
    );
    thread0.priority = 0;
    thread0.base_priority = 0;
    thread0.pinned = true;

    ki.sched.percpu.local().current_thread = &thread0;

    std.log.info("Zag for {s} ({s}), cmdline is \"{?s}\"", .{ pl.name, arch.name, boot_info.cmdline });
}