// Dispatches to the correct kernel function, passing the arguments.
int32_t
syscall(uint32_t syscallno, uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4, uint32_t a5)
{
// Call the function corresponding to the 'syscallno' parameter.
// Return any appropriate return value.
// LAB 3: Your code here.
int32_t ret = 0;
switch (syscallno) {
case SYS_cputs:
sys_cputs((char *)a1, (size_t)a2);
break;
case SYS_cgetc:
ret = sys_cgetc();
break;
case SYS_getenvid:
ret = sys_getenvid();
break;
case SYS_env_destroy:
ret = sys_env_destroy((envid_t)a1);
break;
case SYS_yield:
sys_yield();
break;
case SYS_exofork:
ret = sys_exofork();
break;
case SYS_env_set_status:
ret = sys_env_set_status((envid_t)a1, a2);
break;
case SYS_page_alloc:
ret = sys_page_alloc((envid_t)a1, (void *)a2, a3);
break;
case SYS_page_map:
ret = sys_page_map((envid_t)a1, (void *)a2, (envid_t)a3, (void *)a4, a5);
break;
case SYS_page_unmap:
ret = sys_page_unmap((envid_t)a1, (void *)a2);
break;
case SYS_env_set_pgfault_upcall:
ret = sys_env_set_pgfault_upcall((envid_t)a1, (void *)a2);
break;
case SYS_ipc_recv:
ret = sys_ipc_recv((void *)a1);
break;
case SYS_ipc_try_send:
ret = sys_ipc_try_send((envid_t)a1, (uint32_t)a2, (void *)a3, (unsigned)a4);
break;
case SYS_env_set_trapframe:
ret = sys_env_set_trapframe((envid_t)a1, (struct Trapframe *)a2);
break;
case SYS_time_msec:
ret = sys_time_msec();
break;
case SYS_transmit_packet:
ret = sys_transmit_packet((void *)a1, a2);
break;
case SYS_receive_packet:
ret = sys_receive_packet((void *)a1);
break;
default:
return -E_INVAL;
}
return ret;
}
// Dispatches to the correct kernel function, passing the arguments.
int32_t
syscall(uint32_t syscallno, uint32_t a1, uint32_t a2, uint32_t a3, uint32_t a4, uint32_t a5)
{
// Call the function corresponding to the 'syscallno' parameter.
// Return any appropriate return value.
// LAB 3: Your code here.
switch (syscallno) {
case SYS_cputs :
sys_cputs((const char*) a1, (size_t) a2);
return 0;
case SYS_env_set_trapframe:
return sys_env_set_trapframe((envid_t)a1, (struct Trapframe*) a2);
case SYS_cgetc :
return sys_cgetc();
case SYS_getenvid:
return sys_getenvid();
case SYS_env_destroy:
return sys_env_destroy((envid_t) a1);
case SYS_yield:
sys_yield();
return 0;
case SYS_exofork:
return sys_exofork();
case SYS_env_set_status:
return sys_env_set_status((envid_t)a1,(int)a2);
case SYS_page_alloc:
return sys_page_alloc((envid_t)a1, (void *)a2, (int)a3);
case SYS_page_map:
return sys_page_map((envid_t)a1, (void *)a2, (envid_t)a3, (void *)a4, (int)a5);
case SYS_page_unmap:
return sys_page_unmap((envid_t)a1, (void *)a2);
case SYS_env_set_pgfault_upcall:
return sys_env_set_pgfault_upcall((envid_t)a1, (void *)a2);
case SYS_ipc_try_send:
//cprintf("Sending ipc..\n\n\n");
return sys_ipc_try_send((envid_t)a1, (uint32_t)a2, (void *)a3, (unsigned)a4);
case SYS_ipc_recv:
return sys_ipc_recv((void *)a1);
case SYS_clear_block_access_bit:
return sys_clear_block_access_bit((envid_t)a1, (void*) a2);
case SYS_time_msec:
return sys_time_msec();
case SYS_send_packet:
return sys_send_packet((void *)a1, (unsigned)a2);
case SYS_receive_packet:
return sys_receive_packet((void *)a1);
case SYS_get_mac_address:
return sys_get_mac_address((uint8_t *) a1);
case SYS_get_logged_user_name:
return sys_get_logged_user_name((char *)a1);
case SYS_get_current_path:
return sys_get_current_path((char *)a1);
case SYS_update_current_path:
return sys_update_current_path((char *)a1);
case SYS_get_home_dir:
return sys_get_home_dir((char *)a1);
default:
return -E_INVAL;
}
//panic("syscall not implemented");
}