Disable GCC optimization in pic and pit

src/pic.c

 #include "pic.h"
 #include "asm.h"
 
+#pragma GCC push_options
+#pragma GCC optimize ("0")
+
 uint8_t pic_read(uint16_t pic)
 {
     if(pic>1)
@@ -59,3 +62,4 @@ void pic_init(uint8_t base0, uint8_t base1)
     pic_write(0, icw);
     pic_write(1, icw);
 }
+#pragma GCC pop_options

src/pit.c

@@ -3,6 +3,9 @@
 #include "idt.h"
 #include "asm.h"
 
+#pragma GCC push_options
+#pragma GCC optimize ("0")
+
 static volatile uint32_t _pit_ticks = 0;
 static bool _pit_is_init = false;
 
@@ -76,3 +79,4 @@ bool pit_is_init()
 {
     return _pit_is_init;
 }
+#pragma GCC pop_options