Major libk restructuring, also rewrote drivers/serial.h

libk/cpu/system.c

@@ -0,0 +1,49 @@
+#include <cpu/system.h>
+#include <drivers/serial.h>
+#include <stdint.h>
+
+void cpuid(uint32_t* eax, uint32_t* ebx, uint32_t* ecx, uint32_t* edx) {
+    __asm__ volatile (
+        "cpuid" 
+        : "=a"(*eax), "=b"(*ebx), "=c"(*ecx), "=d"(*edx)
+        : "a"(*eax)
+    );
+}
+
+uint8_t inb(uint16_t port) {
+    uint8_t result;
+    __asm__ volatile("inb %1, %0" : "=a"(result) : "Nd"(port));
+    return result;
+}
+void outb(uint16_t port, uint8_t data) { 
+    __asm__ volatile("outb %0, %1" :: "a"(data), "Nd"(port));
+}
+
+uint16_t inw(uint16_t port) {
+    uint16_t result;
+    __asm__ volatile("inw %1, %0" : "=a"(result) : "Nd"(port));
+    return result;
+}
+void outw(uint16_t port, uint16_t data) {
+    __asm__ volatile("outw %0, %1" :: "a"(data), "Nd"(port));
+}
+
+uint32_t inl(uint16_t port) {
+    uint32_t result;
+    __asm__ volatile("inl %1, %0" : "=a"(result) : "Nd"(port));
+    return result;
+}
+void outl(uint16_t port, uint32_t data) {
+    __asm__ volatile("outl %0, %1" :: "a"(data), "Nd"(port));
+}
+
+void ioWait() {
+    // Waits ~1 I/O Cycle (Linux uses this so it should be good)
+    __asm__ volatile("outb %%al, $0x80" : : "a"(0));
+}
+
+void panic() {
+    debugf("\x1b[31m[kernel] Kern panic!\x1b[0m\n");
+    while (1) { __asm__ volatile ("cli; hlt"); }
+}
+