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ke+mm: add TLB shootdown and memory reclamation.

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Loïc Grégoire
2026-06-25 21:33:14 -04:00
parent 20a38f3a49
commit 4ba57ad42a
19 changed files with 422 additions and 63 deletions
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src/ex/fireworks.zig
+2
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@@ -116,6 +116,8 @@ fn particle(param: ?*anyopaque) void {
data.act_y = parent_data.act_y;
const explosion_range = parent_data.explosion_range;
mm.zone.gpa.destroy(parent_data);
const angle = @rem(rand(), 65536);
data.vel_x = mul_fp_fp(cos(angle), rand_fp_sign()) * explosion_range;
data.vel_y = mul_fp_fp(sin(angle), rand_fp_sign()) * explosion_range;
src/ex/init.zig
+4 -47
View File
@@ -8,64 +8,21 @@ const ps = r.ps;
const amd64 = @import("arch");
const turnstile = ke.private.turnstile;
var mtx: ke.Mutex = .init();
var shared_counter: usize = 0;
var work_item: ex.WorkItem = undefined;
var work_item2: ex.WorkItem = undefined;
fn mutex_test(_: ?*anyopaque) void {
while (true) {
mtx.acquire();
shared_counter += 1;
mtx.release();
}
}
fn foo(_: ?*anyopaque) void {
std.log.info("foo cpu {}", .{ke.cpu.current()});
var timer: ke.Timer = undefined;
timer.init();
ke.timer.set(&timer, std.time.ns_per_ms * 500, null);
_ = ke.wait.wait_one(&timer.hdr, null) catch unreachable;
}
fn bar(_: ?*anyopaque) void {
std.log.info("bar cpu {}", .{ke.cpu.current()});
}
pub fn init(boot_info: *pl.BootInfo) void {
mm.init(boot_info);
ps.init();
pl.late_init(boot_info);
mm.late_init();
ke.sched.late_init();
ps.init();
ex.private.workqueue.init() catch @panic("e");
work_item = .init(.Normal, foo, null);
work_item2 = .init(.Normal, bar, null);
ex.workqueue.enqueue(&work_item);
ex.workqueue.enqueue(&work_item2);
if (false) {
if (boot_info.framebuffer != null) {
const t = ps.thread.create_kernel(ke.Thread.Priority.default, ex.fireworks.start, boot_info) catch @panic("oom");
ke.sched.enqueue(&t.kern);
}
while (true) {}
}
const ipl = ke.ipl.raise(.Dispatch);
for (0..10) |_| {
const t = ps.thread.create_kernel(ke.Thread.Priority.default, mutex_test, null) catch @panic("oom");
if (boot_info.framebuffer != null) {
const t = ps.thread.create_kernel(ke.Thread.Priority.default, ex.fireworks.start, boot_info) catch @panic("oom");
ke.sched.enqueue(&t.kern);
}
ke.ipl.lower(ipl);
while (true) {}
while (true) {
std.atomic.spinLoopHint();