5b281ba489ca18f0380d7efc7a5108b606cce449vboxsync * IPRT - Memory Allocation, Ring-0 Driver, OS/2.
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * Permission is hereby granted, free of charge, to any person
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * obtaining a copy of this software and associated documentation
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * files (the "Software"), to deal in the Software without
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * restriction, including without limitation the rights to use,
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * copy, modify, merge, publish, distribute, sublicense, and/or sell
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * copies of the Software, and to permit persons to whom the
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * Software is furnished to do so, subject to the following
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * conditions:
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * The above copyright notice and this permission notice shall be
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * included in all copies or substantial portions of the Software.
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * OTHER DEALINGS IN THE SOFTWARE.
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync/*******************************************************************************
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync* Header Files *
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync*******************************************************************************/
62bc7e45f3a27d814eae7013b2d85eb84f282f93vboxsync#include "r0drv/alloc-r0drv.h" /** @todo drop the r0drv/alloc-r0drv.cpp stuff on OS/2? */
5eda82e218d35ae0691febd531e1bfc0324cc4a6vboxsyncDECLHIDDEN(int) rtR0MemAllocEx(size_t cb, uint32_t fFlags, PRTMEMHDR *ppHdr)
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync APIRET rc = KernVMAlloc(cb + sizeof(RTMEMHDR), VMDHA_FIXED, &pv, (void **)-1, NULL);
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsyncRTR0DECL(void *) RTMemContAlloc(PRTCCPHYS pPhys, size_t cb)
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * Validate input.
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync * All physical memory in OS/2 is below 4GB, so this should be kind of easy.
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync cb = RT_ALIGN_Z(cb, PAGE_SIZE); /* -> page aligned result. */
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync APIRET rc = KernVMAlloc(cb, VMDHA_FIXED | VMDHA_CONTIG, &pv, &PhysAddr, NULL);
d1c5a03c19683c719b94496bb998fde2f2e5e622vboxsync AssertMsg(!((uintptr_t)pv & PAGE_OFFSET_MASK), ("pv=%p\n", pv));