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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/darwin/initterm-r0drv-darwin.cpp | |
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/darwin/initterm-r0drv-darwin.cpp')
-rw-r--r-- | src/VBox/Runtime/r0drv/darwin/initterm-r0drv-darwin.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r0drv/darwin/initterm-r0drv-darwin.cpp b/src/VBox/Runtime/r0drv/darwin/initterm-r0drv-darwin.cpp new file mode 100644 index 00000000..6535f966 --- /dev/null +++ b/src/VBox/Runtime/r0drv/darwin/initterm-r0drv-darwin.cpp @@ -0,0 +1,133 @@ +/* $Id: initterm-r0drv-darwin.cpp $ */ +/** @file + * IPRT - Initialization & Termination, R0 Driver, Darwin. + */ + +/* + * Copyright (C) 2006-2023 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-darwin-kernel.h" +#include "internal/iprt.h" + +#include <iprt/errcore.h> +#include <iprt/assert.h> +#include <iprt/dbg.h> +#include "internal/initterm.h" + + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +/** Pointer to the lock group used by IPRT. */ +DECL_HIDDEN_DATA(lck_grp_t *) g_pDarwinLockGroup = NULL; +/** Pointer to the ast_pending function, if found. */ +DECL_HIDDEN_DATA(PFNR0DARWINASTPENDING) g_pfnR0DarwinAstPending = NULL; +/** Pointer to the cpu_interrupt function, if found. */ +DECL_HIDDEN_DATA(PFNR0DARWINCPUINTERRUPT) g_pfnR0DarwinCpuInterrupt = NULL; +#ifdef DEBUG +/** Pointer to the vm_fault_external function - used once for debugging @bugref{9466}. */ +DECL_HIDDEN_DATA(PFNR0DARWINVMFAULTEXTERNAL) g_pfnR0DarwinVmFaultExternal = NULL; +#endif + + +DECLHIDDEN(int) rtR0InitNative(void) +{ + IPRT_DARWIN_SAVE_EFL_AC(); + + /* + * Create the lock group. + */ + g_pDarwinLockGroup = lck_grp_alloc_init("IPRT", LCK_GRP_ATTR_NULL); + AssertReturn(g_pDarwinLockGroup, VERR_NO_MEMORY); + + /* + * Initialize the preemption hacks. + */ + int rc = rtThreadPreemptDarwinInit(); + if (RT_SUCCESS(rc)) + { + /* + * Try resolve kernel symbols we need but apple don't wish to give us. + */ + RTDBGKRNLINFO hKrnlInfo; + rc = RTR0DbgKrnlInfoOpen(&hKrnlInfo, 0 /*fFlags*/); + if (RT_SUCCESS(rc)) + { + RTR0DbgKrnlInfoQuerySymbol(hKrnlInfo, NULL, "ast_pending", (void **)&g_pfnR0DarwinAstPending); + printf("ast_pending=%p\n", (void *)(uintptr_t)g_pfnR0DarwinAstPending); + RTR0DbgKrnlInfoQuerySymbol(hKrnlInfo, NULL, "cpu_interrupt", (void **)&g_pfnR0DarwinCpuInterrupt); + printf("cpu_interrupt=%p\n", (void *)(uintptr_t)g_pfnR0DarwinCpuInterrupt); +#ifdef DEBUG + RTR0DbgKrnlInfoQuerySymbol(hKrnlInfo, NULL, "vm_fault_external", (void **)&g_pfnR0DarwinVmFaultExternal); + printf("vm_fault_external=%p\n", (void *)(uintptr_t)g_pfnR0DarwinVmFaultExternal); +#endif + RTR0DbgKrnlInfoRelease(hKrnlInfo); + } + if (RT_FAILURE(rc)) + { + printf("rtR0InitNative: warning! failed to resolve special kernel symbols\n"); + rc = VINF_SUCCESS; + } + } + if (RT_FAILURE(rc)) + rtR0TermNative(); + + IPRT_DARWIN_RESTORE_EFL_AC(); + return rc; +} + + +DECLHIDDEN(void) rtR0TermNative(void) +{ + IPRT_DARWIN_SAVE_EFL_AC(); + + /* + * Preemption hacks before the lock group. + */ + rtThreadPreemptDarwinTerm(); + + /* + * Free the lock group. + */ + if (g_pDarwinLockGroup) + { + lck_grp_free(g_pDarwinLockGroup); + g_pDarwinLockGroup = NULL; + } + + IPRT_DARWIN_RESTORE_EFL_AC(); +} + |