start implementing APIC utils

include/apic.h

@@ -0,0 +1,13 @@
+#include "../include/utils.h"
+
+#include <stdint.h>
+#include <stdbool.h>
+
+extern bool lapic_enabled;
+
+bool check_apic();
+void enable_apic();
+
+void lapic_write(uint32_t reg_offset, uint32_t value);
+uint32_t lapic_read(uint32_t reg_offset);
+void lapic_eoi();

include/pic.h

@@ -4,6 +4,8 @@
 #include "../include/utils.h"
 
 void pic_remap(int offset1, int offset2);
+void pic_disable(void);
 void pic_end_int(uint8_t irq);
+void pic_apply_masks();
 
 #endif

include/utils.h

@@ -11,6 +11,12 @@ void get_fancy_datetime();
 void get_datetime(uint16_t *year, uint8_t *month, uint8_t *day, uint8_t *hour, uint8_t *minute, uint8_t *second);
 uint32_t fat32_datetime(uint16_t year, uint8_t month, uint8_t day, uint8_t hour, uint8_t minute, uint8_t second);
 
+//got these from osdev.org
+void cpuid(int code, uint32_t *a, uint32_t *d);
+bool cpuHasMSR();
+void cpuGetMSR(uint32_t msr, uint32_t *lo, uint32_t *hi);
+void cpuSetMSR(uint32_t msr, uint32_t lo, uint32_t hi);
+
 #define inb inportb
 #define outb outportb