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ke: rework kernel initialization

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Loïc Grégoire
2026-08-05 16:10:37 -04:00
parent 4aaae63349
commit 2a09642f4d
11 changed files with 58 additions and 31 deletions
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src/kern/init.zig
+21 -14
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@@ -7,10 +7,24 @@ 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 {
export fn kmain(boot_info: *r.BootInfo) callconv(.c) void {
r.boot_info = boot_info;
thread0.init(
boot_info.kernel_stack,
boot_info.kernel_stack_size,
ke.Thread.Priority.idle_low,
init,
null,
);
thread0.pinned = true;
// Jump into the thread.
thread0.context.load();
}
pub fn init(_: ?*anyopaque) linksection(r.init) void {
ke.ncpus = 1;
ki.impl.early_init();
ki.tunable.init();
@@ -20,18 +34,11 @@ pub fn init(boot_info: *r.BootInfo) linksection(r.init) void {
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;
ki.sched.percpu.local().idle_thread = &thread0;
std.log.info("Zag for {s} ({s}), cmdline is \"{?s}\"", .{ pl.name, arch.name, boot_info.cmdline });
std.log.info("Zag for {s} ({s}), cmdline is \"{?s}\"", .{ pl.name, arch.name, r.boot_info.cmdline });
ex.init();
ki.sched.idle(null);
}