summaryrefslogtreecommitdiffstats
path: root/src/VBox/Runtime/r0drv/haiku/alloc-r0drv-haiku.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/VBox/Runtime/r0drv/haiku/alloc-r0drv-haiku.c')
-rw-r--r--src/VBox/Runtime/r0drv/haiku/alloc-r0drv-haiku.c124
1 files changed, 124 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..0c3942bc
--- /dev/null
+++ b/src/VBox/Runtime/r0drv/haiku/alloc-r0drv-haiku.c
@@ -0,0 +1,124 @@
+/* $Id: alloc-r0drv-haiku.c $ */
+/** @file
+ * IPRT - Memory Allocation, Ring-0 Driver, Haiku.
+ */
+
+/*
+ * Copyright (C) 2012-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+
+/*********************************************************************************************************************************
+* 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));
+ }
+}
+