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#include "syscall.h"
#include "task.h"
#include <core/sys.h>
#include <Object/Object.h>
#define NUMBER_OF_SYSCALLS 32
#define CALL0(name, scname) static void scname(struct registers* r) { r->eax = name(); }
#define CALL1(name, scname) static void scname(struct registers* r) { \
r->eax = name(r->ecx); }
#define CALL2(name, scname) static void scname(struct registers* r) { \
r->eax = name(r->ecx, r->edx); }
#define CALL3(name, scname) static void scname(struct registers* r) { \
r->eax = name(r->ecx, r->edx, r->esi); }
#define CALL0V(name, scname) static void scname(struct registers* r) { name(); }
#define CALL1V(name, scname) static void scname(struct registers* r) { name(r->ecx); }
#define CALL2V(name, scname) static void scname(struct registers* r) { name(r->ecx, r->edx); }
#define CALL3V(name, scname) static void scname(struct registers* r) { name(r->ecx, r->edx, r->esi); }
#define CALL4V(name, scname) static void scname(struct registers* r) { name(r->ecx, r->edx, r->esi, r->edi); }
CALL0V(thread_exit, thread_exit_sc);
CALL0V(schedule, schedule_sc);
CALL1V(thread_sleep, thread_sleep_sc);
CALL1V(process_exit, process_exit_sc);
CALL1(monitor_write, printk_sc);
CALL1V(idt_waitIrq, irq_wait_sc);
CALL0(proc_priv, proc_priv_sc);
CALL1(process_sbrk, proc_sbrk_sc);
CALL1V(process_brk, proc_brk_sc);
CALL1(open, open_sc);
CALL2(open_relative, open_relative_sc);
CALL1V(close, close_sc);
CALL2(get_methods, get_methods_sc);
static void thread_new_sc(struct registers* r) {
cli();
thread_new(current_thread->process, (thread_entry)r->ecx, (void*)r->edx, (void*)r->esi);
sti();
}
int_callback syscalls[NUMBER_OF_SYSCALLS] = {
0, //0
thread_exit_sc,
schedule_sc,
thread_sleep_sc,
process_exit_sc,
printk_sc, //5
thread_new_sc,
irq_wait_sc,
proc_priv_sc,
proc_sbrk_sc,
proc_brk_sc, //10
0,
0,
0,
0,
0, //15
0,
0,
0,
0,
open_sc, //20
open_relative_sc,
close_sc,
get_methods_sc,
0,
0, //25
0,
0,
0,
0,
0, //30
0, //31
};
/* Called in idt_.asm on a system call (interrupt 64).
Calls the correct syscall handler (if any). */
void idt_syscallHandler(struct registers regs) {
if (regs.eax == 0) {
if (regs.ebx < NUMBER_OF_SYSCALLS && syscalls[regs.ebx] != 0) {
syscalls[regs.ebx](®s);
}
} else {
do_method_call(®s);
}
}
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