From 37bd000b189378dfe27ed61f6441673ca99666c1 Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Tue, 22 Apr 2025 11:22:42 -0400
Subject: make pit ticks volatile, disable reload for now since broken

---
 kernel/drivers/pit.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

(limited to 'kernel/drivers/pit.c')

diff --git a/kernel/drivers/pit.c b/kernel/drivers/pit.c
index a8fe179..1a05f03 100644
--- a/kernel/drivers/pit.c
+++ b/kernel/drivers/pit.c
@@ -6,7 +6,7 @@
 #define CHAN_2 0x42
 #define CMD 0x43
 
-uint64_t ticks = 0;
+volatile uint64_t ticks = 0;
 
 uint16_t pit_read_divider(void)
 {
@@ -21,8 +21,9 @@ uint16_t pit_read_divider(void)
 
 void pit_set_divider(uint16_t count)
 {
-	cli();
-	outb(CHAN_0, count & 0xFF); // low byte
-	outb(CHAN_0, (count & 0xFF00) >> 8); // high byte
-	sti();
+	// FIXME: broken on -O0
+	// cli();
+	// outb(CHAN_0, count & 0xFF); // low byte
+	// outb(CHAN_0, (count & 0xFF00) >> 8); // high byte
+	// sti();
 }
-- 
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