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#ifndef MELVIX_SYSTEM_H
#define MELVIX_SYSTEM_H
/**
* The kernel end
*/
extern void *end;
/**
* Initialize the basic features of the OS
*/
void init();
/**
* The ASM registers as packed structure
*/
typedef struct __attribute__ ((packed)) {
unsigned short di, si, bp, sp, bx, dx, cx, ax;
unsigned short gs, fs, es, ds, eflags;
} regs16_t;
/**
* Execute BIOS interrupts by switching to real mode
* @param intnum The interrupt number (e.g. 0x10)
* @param regs The ASM registers
*/
extern void int32(unsigned char intnum, regs16_t *regs);
/**
* Log a message before VESA has been initialized
* @param msg The message
* @param line The hardcoded linenumber
*/
void vga_log(char *msg, int line);
/**
* Print the current kernel time
*/
void kernel_time();
/**
* Display a general log message
* @param msg The message
*/
void log(char *msg);
/**
* Display an information message
* @param msg The information
*/
void info(char *msg);
/**
* Display a warning message
* TODO: Add line number and file name
* @param msg The warning cause/reason
*/
void warn(char *msg);
/**
* Halt the entire system and display a message
* TODO: Add line number and file name
* @param msg The error cause/reason
*/
void panic(char *msg);
/**
* Assert that a value is non-zero, else panic
* TODO: Add line number and file name
* @param x The value
*/
void assert(int x);
#endif
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