alloc-r0drv-os2.cpp revision d1c5a03c19683c719b94496bb998fde2f2e5e622
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * InnoTek Portable Runtime - Memory Allocation, Ring-0 Driver, OS/2.
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * Permission is hereby granted, free of charge, to any person
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * obtaining a copy of this software and associated documentation
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * files (the "Software"), to deal in the Software without
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * restriction, including without limitation the rights to use,
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * copy, modify, merge, publish, distribute, sublicense, and/or sell
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * copies of the Software, and to permit persons to whom the
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * Software is furnished to do so, subject to the following
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * conditions:
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * The above copyright notice and this permission notice shall be
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * included in all copies or substantial portions of the Software.
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync/*******************************************************************************
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync* Header Files *
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync*******************************************************************************/
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync#include "r0drv/alloc-r0drv.h" /** @todo drop the r0drv/alloc-r0drv.cpp stuff on OS/2. */
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync Assert(cb != sizeof(void *)); /* 99% of pointer sized allocations are wrong. */
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync APIRET rc = KernVMAlloc(cb + sizeof(RTMEMHDR), VMDHA_FIXED, &pv, (void **)-1, NULL);
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsyncRTR0DECL(void *) RTMemContAlloc(PRTCCPHYS pPhys, size_t cb)
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * Validate input.
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync * All physical memory in OS/2 is below 4GB, so this should be kind of easy.
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync cb = RT_ALIGN_Z(cb, PAGE_SIZE); /* -> page aligned result. */
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync APIRET rc = KernVMAlloc(cb, VMDHA_FIXED | VMDHA_CONTIG, &pv, &PhysAddr, NULL);
65c72795ab90d3daefa759b716fbb5c6352c7a56vboxsync AssertMsg(!((uintptr_t)pv & PAGE_OFFSET_MASK), ("pv=%p\n", pv));