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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Runtime/r0drv/haiku/alloc-r0drv-haiku.c | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/r0drv/haiku/alloc-r0drv-haiku.c')
-rw-r--r-- | src/VBox/Runtime/r0drv/haiku/alloc-r0drv-haiku.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r0drv/haiku/alloc-r0drv-haiku.c b/src/VBox/Runtime/r0drv/haiku/alloc-r0drv-haiku.c new file mode 100644 index 00000000..d175cae2 --- /dev/null +++ b/src/VBox/Runtime/r0drv/haiku/alloc-r0drv-haiku.c @@ -0,0 +1,134 @@ +/* $Id: alloc-r0drv-haiku.c $ */ +/** @file + * IPRT - Memory Allocation, Ring-0 Driver, Haiku. + */ + +/* + * Copyright (C) 2012-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include "the-haiku-kernel.h" +#include "internal/iprt.h" +#include <iprt/mem.h> +#include <iprt/log.h> + +#include <iprt/assert.h> +#include <iprt/errcore.h> +#include <iprt/thread.h> +#include "r0drv/alloc-r0drv.h" + + +/** + * OS specific allocation function. + */ +int rtR0MemAllocEx(size_t cb, uint32_t fFlags, PRTMEMHDR *ppHdr) +{ + if (RT_UNLIKELY(fFlags & RTMEMHDR_FLAG_ANY_CTX)) + return VERR_NOT_SUPPORTED; + + PRTMEMHDR pHdr = (PRTMEMHDR)malloc(cb + sizeof(*pHdr)); + if (RT_UNLIKELY(!pHdr)) + { + LogRel(("rtR0MemAllocEx(%u, %#x) failed\n",(unsigned)cb + sizeof(*pHdr), fFlags)); + return VERR_NO_MEMORY; + } + + pHdr->u32Magic = RTMEMHDR_MAGIC; + pHdr->fFlags = fFlags; + pHdr->cb = cb; + pHdr->cbReq = cb; + *ppHdr = pHdr; + return VINF_SUCCESS; +} + + +/** + * OS specific free function. + */ +void rtR0MemFree(PRTMEMHDR pHdr) +{ + pHdr->u32Magic += 1; + free(pHdr); +} + + +RTR0DECL(void *) RTMemContAlloc(PRTCCPHYS pPhys, size_t cb) RT_NO_THROW_DEF +{ + /* + * Validate input. + */ + AssertPtr(pPhys); + Assert(cb > 0); + RT_ASSERT_PREEMPTIBLE(); + + /* + * Allocate the memory and ensure that the API is still providing + * memory that's always below 4GB. + */ + cb = RT_ALIGN_Z(cb, PAGE_SIZE); + void *pv; + area_id area = create_area("VirtualBox Contig Alloc", &pv, B_ANY_KERNEL_ADDRESS, cb, B_32_BIT_CONTIGUOUS, + B_READ_AREA | B_WRITE_AREA); + if (area >= 0) + { + physical_entry physMap[2]; + if (get_memory_map(pv, cb, physMap, 2)>= B_OK) + { + *pPhys = physMap[0].address; + return pv; + } + delete_area(area); + AssertMsgFailed(("Cannot get_memory_map for contig alloc! cb=%u\n",(unsigned)cb)); + } + else + AssertMsgFailed(("Cannot create_area for contig alloc! cb=%u error=0x%08lx\n",(unsigned)cb, area)); + return NULL; +} + + +RTR0DECL(void) RTMemContFree(void *pv, size_t cb) RT_NO_THROW_DEF +{ + RT_ASSERT_PREEMPTIBLE(); + if (pv) + { + Assert(cb > 0); + + area_id area = area_for(pv); + if (area >= B_OK) + delete_area(area); + else + AssertMsgFailed(("Cannot find area to delete! cb=%u error=0x%08lx\n",(unsigned)cb, area)); + } +} + |