#include "syscall/handler.h"

#include "arch/core.h"
#include "arch/core_interrupt.h"
#include "arch/gdt.h"
#include "arch/idt.h"
#include "debug/kernelpanic.h"
#include "debug/output.h"
#include "interrupt/guard.h"
#include "syscall/skeleton.h"
#include "syscall/stub.h"
#include "types.h"

/*! \brief Interrupt based system call entry function
 *
 * Low-level function written in assembly (located in `syscall/handler.asm`),
 * calls \ref syscall_handler
 */
extern "C" [[gnu::interrupt]] void syscall_entry(InterruptContext *context);

namespace Syscall {
/*! \brief High level system call handler
 * called by both low level handler in `syscall/handler.asm`.
 *
 * Processes the request by delegating it to the appropriate function identified
 * by the system call number -- allowing up to five parameters for the system
 * call.
 *
 * \param p1 first parameter
 * \param p2 second parameter
 * \param p3 third parameter
 * \param p4 fourth parameter
 * \param p5 fifth parameter
 * \param sysnum identifier for the system call
 * \param user pointer to the interrupt \ref context (for example to determine
 * instruction pointer)
 * \return system call return value
 */
extern "C" size_t syscall_handler(size_t sysnum, size_t p1, size_t p2,
								  size_t p3, size_t p4, size_t p5,
								  InterruptContext *user) {
	(void)p1;
	(void)p2;
	(void)p3;
	(void)p4;
	(void)p5;
	(void)sysnum;
	(void)user;
	return static_cast<size_t>(-1);
}

void init() {
	// Set interrupt based syscall handler
}

}  // namespace Syscall