DMPAPI(bool) io_Free(void* handle) {
bool result = true;
IO_BASE_t* base;
if ((base = (IO_BASE_t*)handle) == NULL) return false;
switch (base->iotype)
{
case IO_USE_PORTIO:
// TODO: for WinXP or Linux Kernel Mode, free Port-I/O region here
break;
case IO_USE_MMIO:
#if defined DMP_DOS_DJGPP
dpmi_LinMapFree(base->addr);
dpmi_SelFree(base->mmio_selector);
#elif defined USE_WINIO3
UnmapPhysicalMemory(base->mmio_info);
#elif defined USE_PHYMEM
UnmapPhyMem((void*)base->addr, base->size);
#else
// TODO: for WinXP or Linux Kernel Mode, free MMIO region here
#endif
break;
default:
err_print((char*)"%s: unknown io-type!\n", __FUNCTION__);
result = false;
break;
}
free_io_base(base);
return result;
}
DMPAPI(bool) io_Free(void* handle) {
bool result = true;
IO_BASE_t* base;
if ((base = (IO_BASE_t*)handle) == NULL) return false;
switch (base->iotype)
{
case IO_USE_PORTIO:
// do nothing ...
break;
case IO_USE_MMIO:
#if defined DMP_DOS_DJGPP
dpmi_LinMapFree(base->addr);
dpmi_SelFree(base->mmio_selector);
#elif defined DMP_LINUX
if ((IO_mmioFD != -1) && ((void*)base->addr != (void *)-1)) //&&
if (munmap((void*)(base->mmio_realaddr), base->size) == -1)
{
err_print("%s: fail to free MMIO region (%d)!\n", __FUNCTION__, errno);
result = false;
}
#elif defined USE_WINIO3
UnmapPhysicalMemory(base->mmio_info);
#elif defined USE_PHYMEM
UnmapPhyMem((void*)base->addr, base->size);
#endif
break;
default:
err_print("%s: unknown io-type!\n", __FUNCTION__);
result = false;
break;
}
free_io_base(base);
return result;
}
