feat: reformatted code

kernel/cpu/timer.c

@@ -59,7 +59,8 @@ int init_timer(u32 freq) {
     u32 divisor = 1193180 / freq;
     u8 low = (u8) (divisor & 0xFF);
     u8 high = (u8) ((divisor >> 8) & 0xFF);
-    port_byte_out(PORT_PIT_COMMAND, PIT_MODE_BIN | PIT_MODE_HARDWARE_SQUARE_WAVE_GENERATOR | PIT_ACCESS_MODE_LH | PIT_CHANNEL_0);
+    port_byte_out(PORT_PIT_COMMAND,
+                  PIT_MODE_BIN | PIT_MODE_HARDWARE_SQUARE_WAVE_GENERATOR | PIT_ACCESS_MODE_LH | PIT_CHANNEL_0);
     port_byte_out(PORT_PIT_DATA_0, low);
     port_byte_out(PORT_PIT_DATA_0, high);
     return 0;

kernel/cpu/timer.h

@@ -8,7 +8,9 @@
 #include <types.h>
 
 int init_timer(u32 freq);
+
 void print_current_tick();
+
 void sleep(u32 milliseconds);
 
 #endif //MY_KERNEL_TIMER_H

kernel/drivers/pci.h

@@ -61,6 +61,7 @@ typedef struct pci_driver pci_driver;
 typedef struct pci_device pci_device;
 
 typedef u8 (*pci_driver_validate)(const pci_device *);
+
 typedef u8 (*pci_driver_initialize)(pci_device *);
 
 typedef struct pci_driver {
@@ -152,4 +153,5 @@ void pci_config_write_word(u8 bus, u8 slot, u8 func, u8 offset, u16 value);
 void pci_config_write_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 value);
 
 void pci_init_bar(pci_device *device, u8 bar_index);
+
 #endif //NEW_KERNEL_PCI_H

kernel/drivers/ports.c

@@ -31,6 +31,7 @@ unsigned short port_word_in(unsigned short port) {
 void port_word_out(unsigned short port, unsigned short data) {
     __asm__("out %%ax, %%dx" : : "a" (data), "d" (port));
 }
+
 unsigned int port_double_word_in(unsigned int port) {
     unsigned int result;
     __asm__("in %%dx, %%eax" : "=a" (result) : "d" (port));

kernel/drivers/ports.h

@@ -61,4 +61,5 @@ void port_word_out_repeat(unsigned short port, unsigned short *data, int buffer_
 void port_word_in_repeat(unsigned short port, unsigned short *data, int buffer_size);
 
 void port_double_word_in_repeat(unsigned short port, unsigned int *data, int buffer_size);
+
 #endif

kernel/kernel.c

@@ -36,8 +36,11 @@ typedef struct {
 } cmd_handler;
 
 void print(const char *arg);
+
 void ide(const char *arg);
+
 void echo(const char *arg);
+
 void help(const char *arg);
 
 cmd_handler cmd_handlers[] = {

kernel/libc/libc.c

@@ -32,12 +32,13 @@ int abs(int val) {
 // next stolen form https://www.techiedelight.com/implement-itoa-function-in-c/
 // inline function to swap two numbers
 void swap(char *x, char *y) {
-    char t = *x; *x = *y; *y = t;
+    char t = *x;
+    *x = *y;
+    *y = t;
 }
 
 // function to reverse buffer[i..j]
-char* reverse(char *buffer, int i, int j)
-{
+char *reverse(char *buffer, int i, int j) {
     while (i < j)
         swap(&buffer[i++], &buffer[j--]);
 
@@ -45,8 +46,7 @@ char* reverse(char *buffer, int i, int j)
 }
 
 // Iterative function to implement itoa() function in C
-char* itoa(int value, char* buffer, int base)
-{
+char *itoa(int value, char *buffer, int base) {
     // invalid input
     if (base < 2 || base > 32)
         return buffer;
@@ -55,8 +55,7 @@ char* itoa(int value, char* buffer, int base)
     int n = abs(value);
 
     int i = 0;
-    while (n)
-    {
+    while (n) {
         int r = n % base;
 
         if (r >= 10)