This commit is contained in:
2021-09-14 18:30:00 +03:00
parent c90c6dc692
commit 7cb940e485
48 changed files with 2621 additions and 507 deletions

View File

@ -0,0 +1,40 @@
// Data type declarations
typedef unsigned char byte;
typedef unsigned short word;
typedef unsigned int dword;
/* This defines what the stack looks like after an ISR was running */
typedef struct
{
unsigned int gs, fs, es, ds; /* pushed the segs last */
unsigned int edi, esi, ebp, esp, ebx, edx, ecx, eax; /* pushed by 'pusha' */
unsigned int int_no, err_code; /* our 'push byte #' and ecodes do this */
unsigned int eip, cs, eflags, useresp, ss; /* pushed by the processor automatically */
} regs;
// Functions
void system_init();
void *memcpy(void *dest, const void *src, int count);
void *memset(void *dest, char val, int count);
unsigned short *memsetw(unsigned short *dest, unsigned short val, int count);
int strlen (const char *str);
byte inportb (word _port);
byte inb (word _port);
void outportb (word _port, byte _data);
void outb (word _port, byte _data) ;
void gdt_set_gate(int num, unsigned long base, unsigned long limit, unsigned char access, unsigned char gran);
void gdt_install();
void idt_set_gate(unsigned char num, unsigned long base, unsigned short sel, unsigned char flags);
void idt_install();
void isrs_install();
void irq_install_handler(int irq, void (*handler)(regs *r));
void irq_uninstall_handler(int irq);
void irq_install();
void kb_handler(regs *r);
void reboot();
void kb_waitin();