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3 commits

Author SHA1 Message Date
hippoz
6839eb4699
fix some compiler warnings 2022-02-24 22:01:02 +02:00
hippoz
80b8ad3fce
add os name to grub config 2022-02-24 21:58:36 +02:00
hippoz
581c2d7d64
add void to functions with no arguments 2022-02-24 21:57:59 +02:00
10 changed files with 14 additions and 12 deletions

View file

@ -173,7 +173,7 @@ static void isr31(struct interrupt_descriptor_32 *frame) {
}
void exception_handlers_init() {
void exception_handlers_init(void) {
idt_register_handler(0, (size_t)isr0);
idt_register_handler(1, (size_t)isr1);
idt_register_handler(2, (size_t)isr2);

View file

@ -1,6 +1,6 @@
#ifndef _EXCEPTION_H
#define _EXCEPTION_H
void exception_handlers_init();
void exception_handlers_init(void);
#endif

View file

@ -6,7 +6,7 @@
struct interrupt_descriptor_32 idt[256];
static size_t idt_ptr[2];
void idt_init() {
void idt_init(void) {
size_t idt_address = (size_t)idt;
idt_ptr[0] = (sizeof (struct interrupt_descriptor_32) * 256) + ((idt_address & 0xffff) << 16);
idt_ptr[1] = idt_address >> 16;

View file

@ -16,7 +16,7 @@ struct interrupt_descriptor_32 {
uint16_t offset_2; // offset bits 16..31
} __attribute__((__packed__));
void idt_init();
void idt_init(void);
void idt_register_handler(uint8_t interrupt, size_t address);
#endif

View file

@ -2,8 +2,6 @@
#include "cpu/io.h"
void pic_remap(uint8_t offset1, uint8_t offset2) {
uint8_t a1, a2;
outb(PIC1_COMMAND, ICW1_INIT | ICW1_ICW4); // starts the initialization sequence (in cascade mode)
io_wait();
outb(PIC2_COMMAND, ICW1_INIT | ICW1_ICW4);

View file

@ -1,4 +1,4 @@
menuentry "just some OS" {
menuentry "hippOS" {
multiboot /boot/kernel.bin
}

View file

@ -5,6 +5,7 @@
#include "cpu/pic.h"
#include "cpu/idt.h"
#include "cpu/io.h"
#include "gfx/terminal.h"
const char us_map[128] = {
0, 27, '1', '2', '3', '4', '5', '6', '7', '8',
@ -47,7 +48,7 @@ const char us_map[128] = {
__attribute__((interrupt))
static void irq(struct interrupt_descriptor_32 *frame) {
char scancode = inb(0x60);
uint8_t scancode = inb(0x60);
if (scancode & 128) {
goto end; // ignore release scancode
@ -58,7 +59,7 @@ end:
pic_send_eoi(1);
}
void keyboard_init() {
void keyboard_init(void) {
pic_irq_clear_mask(1);
idt_register_handler(33, (size_t)irq);
inb(0x60);

View file

@ -1,6 +1,6 @@
#ifndef _KEYBOARD_H
#define _KEYBOARD_H
void keyboard_init();
void keyboard_init(void);
#endif

View file

@ -118,7 +118,8 @@ void kputs(const char* data) {
kprintf("%s\n", data);
}
void kabort() {
__attribute__((__noreturn__))
void kabort(void) {
kprintf("kabort(): halting kernel...\n");
asm volatile("cli");
asm volatile("hlt");

View file

@ -6,6 +6,8 @@
int kputchar(int ic);
int kprintf(const char* restrict format, ...);
void kputs(const char* data);
void kabort();
__attribute__((__noreturn__))
void kabort(void);
#endif