From 73a32d6c6aade98be73bcbcc8c73ada96bb2204f Mon Sep 17 00:00:00 2001
From: Talon Kettuso <105325988+TalonFloof@users.noreply.github.com>
Date: Mon, 18 Nov 2024 11:29:13 -0600
Subject: [PATCH] just some changes

---
 kobold/hal/x86_64/timer.zig                     | 9 ++++++---
 kobold/kernel/{semaphore.zig => eventqueue.zig} | 2 +-
 kobold/kernel/main.zig                          | 2 +-
 kobold/kernel/thread.zig                        | 2 +-
 kobold/perLib/spinlock.zig                      | 3 ++-
 5 files changed, 11 insertions(+), 7 deletions(-)
 rename kobold/kernel/{semaphore.zig => eventqueue.zig} (90%)

diff --git a/kobold/hal/x86_64/timer.zig b/kobold/hal/x86_64/timer.zig
index c48658c..9ae957b 100644
--- a/kobold/hal/x86_64/timer.zig
+++ b/kobold/hal/x86_64/timer.zig
@@ -47,7 +47,6 @@ pub fn init() void {
             apic.write(0x320, 0x10000);
             const count = 0xffffffff - apic.read(0x390);
             ticksPerSecond = count;
-            std.log.info("{} APIC Ticks/s", .{count});
         } else {
             std.log.info("PIT @ 100 Hz for APIC Timer Calibration", .{});
             var speakerControlByte = io.inb(0x61);
@@ -68,8 +67,8 @@ pub fn init() void {
             apic.write(0x320, 0x10000);
             const count = 0xffffffff - apic.read(0x390);
             ticksPerSecond = count * 100;
-            std.log.info("{} APIC Ticks/s", .{count * 100});
         }
+        std.log.info("{} APIC Ticks/s", .{ticksPerSecond});
     }
     apic.write(0x3e0, 0xb);
     apic.write(0x320, 0x20);
@@ -78,7 +77,11 @@ pub fn init() void {
 
 pub fn setDeadline(microsecs: u64) void {
     const t: u64 = @intFromFloat(@as(f64, @floatFromInt(ticksPerSecond)) * (@as(f64, @floatFromInt(microsecs)) / 1000000.0));
-    apic.write(0x380, t);
+    if(t > 0xffffffff) {
+        apic.write(0x380,0xffffffff);
+    } else {
+        apic.write(0x380, t);
+    }
 }
 
 pub fn getRemainingUs() u64 {
diff --git a/kobold/kernel/semaphore.zig b/kobold/kernel/eventqueue.zig
similarity index 90%
rename from kobold/kernel/semaphore.zig
rename to kobold/kernel/eventqueue.zig
index d9a39a7..0e3dda2 100644
--- a/kobold/kernel/semaphore.zig
+++ b/kobold/kernel/eventqueue.zig
@@ -1,7 +1,7 @@
 const std = @import("std");
 const thread = @import("thread.zig");
 
-pub const Semaphore = struct {
+pub const EventQueue = struct {
     semID: i64 = 0, // 0 id semaphores are special anonymous semaphores used in internal kernel structures like ports
     teamID: i64,
     name: [32]u8 = [_]u8{0} ** 32,
diff --git a/kobold/kernel/main.zig b/kobold/kernel/main.zig
index 445638b..a26fbf0 100644
--- a/kobold/kernel/main.zig
+++ b/kobold/kernel/main.zig
@@ -56,7 +56,7 @@ pub fn panic(msg: []const u8, stacktrace: ?*std.builtin.StackTrace, retAddr: ?us
 
 pub export fn KoboldInit() void {
     _ = hal.AlignDown(u32, 0, 4096); // Prevents release builds from failing
-    std.log.info("Schedling Started", .{});
+    std.log.info("Scheduling Started", .{});
     while (true) {
         hal.arch.waitForInt();
     }
diff --git a/kobold/kernel/thread.zig b/kobold/kernel/thread.zig
index bf086cd..c0c7ab1 100644
--- a/kobold/kernel/thread.zig
+++ b/kobold/kernel/thread.zig
@@ -20,7 +20,7 @@ pub const Thread = struct {
     semaphoreNode: ThreadList.Node,
     team: *team.Team,
     name: [32]u8 = [_]u8{0} ** 32,
-    state: ThreadState = .Embryo,
+    state: ThreadState = .Runnable,
     shouldKill: bool = false,
     priority: usize = 16,
     kstack: []u8,
diff --git a/kobold/perLib/spinlock.zig b/kobold/perLib/spinlock.zig
index 197cf3a..5bd8c06 100644
--- a/kobold/perLib/spinlock.zig
+++ b/kobold/perLib/spinlock.zig
@@ -12,7 +12,8 @@ pub const Spinlock = enum(u8) {
             }
             std.atomic.spinLoopHint();
         }
-        @panic("Deadlock detected");
+        std.log.err("Deadlock @ 0x{x}", .{@intFromPtr(spinlock)});
+        @panic("Deadlock");
     }
 
     pub inline fn release(spinlock: *volatile Spinlock) void {