void sys_physunmap_unaligned(void *virt_addr, size_t len)
{
__dpmi_meminfo mi;
/* There is no known way to unmap the first 1 MB. The DPMI server will
* do this for us on exit.
*/
if ((virt_addr >= realmem_map) &&
((virt_addr + len) <= (realmem_map + (1024 * 1024)))) {
return;
}
mi.address = (unsigned long) virt_addr;
__dpmi_free_physical_address_mapping(&mi);
}
void Sys_Quit (void)
{
if(!dedicated || !dedicated->value)
dos_restoreintr(9); /* FS: Give back the keyboard */
if (unlockmem)
{
dos_unlockmem (&start_of_memory,
end_of_memory - (int)&start_of_memory);
}
Sys_SetTextMode();
__dpmi_free_physical_address_mapping(&info);
__djgpp_nearptr_disable(); /* FS: Everyone else is a master DOS DPMI programmer. Pretty sure CWSDPMI is already taking care of this... */
exit (0);
}
static void driver_exit(void)
{
if (mapping.address != 0)
{
__dpmi_free_physical_address_mapping(&mapping);
mapping.address = 0;
}
if (nearptr_enabled)
{
__djgpp_nearptr_disable();
nearptr_enabled = FALSE;
}
if (data_locked)
{
fb_dos_unlock_data(&video, sizeof(video));
fb_dos_unlock_data(&blitter, sizeof(blitter));
data_locked = FALSE;
}
fb_dos_exit();
}
