diff options
Diffstat (limited to 'src/VBox/Runtime/r0drv/solaris/initterm-r0drv-solaris.c')
| -rw-r--r-- | src/VBox/Runtime/r0drv/solaris/initterm-r0drv-solaris.c | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r0drv/solaris/initterm-r0drv-solaris.c b/src/VBox/Runtime/r0drv/solaris/initterm-r0drv-solaris.c new file mode 100644 index 00000000..e6dfc565 --- /dev/null +++ b/src/VBox/Runtime/r0drv/solaris/initterm-r0drv-solaris.c @@ -0,0 +1,282 @@ +/* $Id: initterm-r0drv-solaris.c $ */ +/** @file + * IPRT - Initialization & Termination, Ring-0 Driver, Solaris. + */ + +/* + * Copyright (C) 2006-2019 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-solaris-kernel.h" +#include "internal/iprt.h" + +#include <iprt/assert.h> +#include <iprt/errcore.h> +#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86) +# include <iprt/asm-amd64-x86.h> +#endif +#include "internal/initterm.h" + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +/** Kernel debug info handle. */ +RTDBGKRNLINFO g_hKrnlDbgInfo; +/** Indicates that the spl routines (and therefore a bunch of other ones too) + * will set EFLAGS::IF and break code that disables interrupts. */ +bool g_frtSolSplSetsEIF = false; +/** timeout_generic address. */ +PFNSOL_timeout_generic g_pfnrtR0Sol_timeout_generic = NULL; +/** untimeout_generic address. */ +PFNSOL_untimeout_generic g_pfnrtR0Sol_untimeout_generic = NULL; +/** cyclic_reprogram address. */ +PFNSOL_cyclic_reprogram g_pfnrtR0Sol_cyclic_reprogram = NULL; +/** page_noreloc_supported address. */ +PFNSOL_page_noreloc_supported g_pfnrtR0Sol_page_noreloc_supported = NULL; +/** Whether to use the kernel page freelist. */ +bool g_frtSolUseKflt = false; +/** Whether we've completed R0 initialization. */ +bool g_frtSolInitDone = false; +/** Whether to use old-style xc_call interface. */ +bool g_frtSolOldIPI = false; +/** Whether to use old-style xc_call interface using one ulong_t as the CPU set + * representation. */ +bool g_frtSolOldIPIUlong = false; +/** The xc_call callout table structure. */ +RTR0FNSOLXCCALL g_rtSolXcCall; +/** Whether to use the old-style installctx()/removectx() routines. */ +bool g_frtSolOldThreadCtx = false; +/** The thread-context hooks callout table structure. */ +RTR0FNSOLTHREADCTX g_rtSolThreadCtx; +/** Thread preemption offset in the thread structure. */ +size_t g_offrtSolThreadPreempt; +/** Thread ID offset in the thread structure. */ +size_t g_offrtSolThreadId; +/** The interrupt (pinned) thread pointer offset in the thread structure. */ +size_t g_offrtSolThreadIntrThread; +/** The dispatcher lock pointer offset in the thread structure. */ +size_t g_offrtSolThreadLock; +/** The process pointer offset in the thread structure. */ +size_t g_offrtSolThreadProc; +/** Host scheduler preemption offset. */ +size_t g_offrtSolCpuPreempt; +/** Host scheduler force preemption offset. */ +size_t g_offrtSolCpuForceKernelPreempt; +/* Resolve using dl_lookup (remove if no longer relevant for supported S10 versions) */ +extern void contig_free(void *addr, size_t size); +#pragma weak contig_free +/** contig_free address. */ +PFNSOL_contig_free g_pfnrtR0Sol_contig_free = contig_free; + +DECLHIDDEN(int) rtR0InitNative(void) +{ + /* + * IPRT has not yet been initialized at this point, so use Solaris' native cmn_err() for logging. + */ + int rc = RTR0DbgKrnlInfoOpen(&g_hKrnlDbgInfo, 0 /* fFlags */); + if (RT_SUCCESS(rc)) + { +#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86) + /* + * Detect whether spl*() is preserving the interrupt flag or not. + * This is a problem on S10. + */ + RTCCUINTREG uOldFlags = ASMIntDisableFlags(); + int iOld = splr(DISP_LEVEL); + if (ASMIntAreEnabled()) + g_frtSolSplSetsEIF = true; + splx(iOld); + if (ASMIntAreEnabled()) + g_frtSolSplSetsEIF = true; + ASMSetFlags(uOldFlags); +#else + /* PORTME: See if the amd64/x86 problem applies to this architecture. */ +#endif + /* + * Mandatory: Preemption offsets. + */ + rc = RTR0DbgKrnlInfoQueryMember(g_hKrnlDbgInfo, NULL, "cpu_t", "cpu_runrun", &g_offrtSolCpuPreempt); + if (RT_FAILURE(rc)) + { + cmn_err(CE_NOTE, "Failed to find cpu_t::cpu_runrun!\n"); + goto errorbail; + } + + rc = RTR0DbgKrnlInfoQueryMember(g_hKrnlDbgInfo, NULL, "cpu_t", "cpu_kprunrun", &g_offrtSolCpuForceKernelPreempt); + if (RT_FAILURE(rc)) + { + cmn_err(CE_NOTE, "Failed to find cpu_t::cpu_kprunrun!\n"); + goto errorbail; + } + + rc = RTR0DbgKrnlInfoQueryMember(g_hKrnlDbgInfo, NULL, "kthread_t", "t_preempt", &g_offrtSolThreadPreempt); + if (RT_FAILURE(rc)) + { + cmn_err(CE_NOTE, "Failed to find kthread_t::t_preempt!\n"); + goto errorbail; + } + + rc = RTR0DbgKrnlInfoQueryMember(g_hKrnlDbgInfo, NULL, "kthread_t", "t_did", &g_offrtSolThreadId); + if (RT_FAILURE(rc)) + { + cmn_err(CE_NOTE, "Failed to find kthread_t::t_did!\n"); + goto errorbail; + } + + rc = RTR0DbgKrnlInfoQueryMember(g_hKrnlDbgInfo, NULL, "kthread_t", "t_intr", &g_offrtSolThreadIntrThread); + if (RT_FAILURE(rc)) + { + cmn_err(CE_NOTE, "Failed to find kthread_t::t_intr!\n"); + goto errorbail; + } + + rc = RTR0DbgKrnlInfoQueryMember(g_hKrnlDbgInfo, NULL, "kthread_t", "t_lockp", &g_offrtSolThreadLock); + if (RT_FAILURE(rc)) + { + cmn_err(CE_NOTE, "Failed to find kthread_t::t_lockp!\n"); + goto errorbail; + } + + rc = RTR0DbgKrnlInfoQueryMember(g_hKrnlDbgInfo, NULL, "kthread_t", "t_procp", &g_offrtSolThreadProc); + if (RT_FAILURE(rc)) + { + cmn_err(CE_NOTE, "Failed to find kthread_t::t_procp!\n"); + goto errorbail; + } + cmn_err(CE_CONT, "!cpu_t::cpu_runrun @ 0x%lx (%ld)\n", g_offrtSolCpuPreempt, g_offrtSolCpuPreempt); + cmn_err(CE_CONT, "!cpu_t::cpu_kprunrun @ 0x%lx (%ld)\n", g_offrtSolCpuForceKernelPreempt, g_offrtSolCpuForceKernelPreempt); + cmn_err(CE_CONT, "!kthread_t::t_preempt @ 0x%lx (%ld)\n", g_offrtSolThreadPreempt, g_offrtSolThreadPreempt); + cmn_err(CE_CONT, "!kthread_t::t_did @ 0x%lx (%ld)\n", g_offrtSolThreadId, g_offrtSolThreadId); + cmn_err(CE_CONT, "!kthread_t::t_intr @ 0x%lx (%ld)\n", g_offrtSolThreadIntrThread, g_offrtSolThreadIntrThread); + cmn_err(CE_CONT, "!kthread_t::t_lockp @ 0x%lx (%ld)\n", g_offrtSolThreadLock, g_offrtSolThreadLock); + cmn_err(CE_CONT, "!kthread_t::t_procp @ 0x%lx (%ld)\n", g_offrtSolThreadProc, g_offrtSolThreadProc); + + /* + * Mandatory: CPU cross call infrastructure. Refer the-solaris-kernel.h for details. + */ + rc = RTR0DbgKrnlInfoQuerySymbol(g_hKrnlDbgInfo, NULL /* pszModule */, "xc_init_cpu", NULL /* ppvSymbol */); + if (RT_SUCCESS(rc)) + { + if (ncpus > IPRT_SOL_NCPUS) + { + cmn_err(CE_NOTE, "rtR0InitNative: CPU count mismatch! ncpus=%d IPRT_SOL_NCPUS=%d\n", ncpus, IPRT_SOL_NCPUS); + rc = VERR_NOT_SUPPORTED; + goto errorbail; + } + g_rtSolXcCall.u.pfnSol_xc_call = (void *)xc_call; + } + else + { + g_frtSolOldIPI = true; + g_rtSolXcCall.u.pfnSol_xc_call_old = (void *)xc_call; + if (max_cpuid + 1 == sizeof(ulong_t) * 8) + { + g_frtSolOldIPIUlong = true; + g_rtSolXcCall.u.pfnSol_xc_call_old_ulong = (void *)xc_call; + } + else if (max_cpuid + 1 != IPRT_SOL_NCPUS) + { + cmn_err(CE_NOTE, "rtR0InitNative: cpuset_t size mismatch! max_cpuid=%d IPRT_SOL_NCPUS=%d\n", max_cpuid, + IPRT_SOL_NCPUS); + rc = VERR_NOT_SUPPORTED; + goto errorbail; + } + } + + /* + * Mandatory: Thread-context hooks. + */ + rc = RTR0DbgKrnlInfoQuerySymbol(g_hKrnlDbgInfo, NULL /* pszModule */, "exitctx", NULL /* ppvSymbol */); + if (RT_SUCCESS(rc)) + { + g_rtSolThreadCtx.Install.pfnSol_installctx = (void *)installctx; + g_rtSolThreadCtx.Remove.pfnSol_removectx = (void *)removectx; + } + else + { + g_frtSolOldThreadCtx = true; + g_rtSolThreadCtx.Install.pfnSol_installctx_old = (void *)installctx; + g_rtSolThreadCtx.Remove.pfnSol_removectx_old = (void *)removectx; + } + + /* + * Optional: Timeout hooks. + */ + RTR0DbgKrnlInfoQuerySymbol(g_hKrnlDbgInfo, NULL /* pszModule */, "timeout_generic", + (void **)&g_pfnrtR0Sol_timeout_generic); + RTR0DbgKrnlInfoQuerySymbol(g_hKrnlDbgInfo, NULL /* pszModule */, "untimeout_generic", + (void **)&g_pfnrtR0Sol_untimeout_generic); + if ((g_pfnrtR0Sol_timeout_generic == NULL) != (g_pfnrtR0Sol_untimeout_generic == NULL)) + { + static const char *s_apszFn[2] = { "timeout_generic", "untimeout_generic" }; + bool iMissingFn = g_pfnrtR0Sol_timeout_generic == NULL; + cmn_err(CE_NOTE, "rtR0InitNative: Weird! Found %s but not %s!\n", s_apszFn[!iMissingFn], s_apszFn[iMissingFn]); + g_pfnrtR0Sol_timeout_generic = NULL; + g_pfnrtR0Sol_untimeout_generic = NULL; + } + RTR0DbgKrnlInfoQuerySymbol(g_hKrnlDbgInfo, NULL /* pszModule */, "cyclic_reprogram", + (void **)&g_pfnrtR0Sol_cyclic_reprogram); + + /* + * Optional: Querying page no-relocation support. + */ + RTR0DbgKrnlInfoQuerySymbol(g_hKrnlDbgInfo, NULL /*pszModule */, "page_noreloc_supported", + (void **)&g_pfnrtR0Sol_page_noreloc_supported); + + /* + * Weak binding failures: contig_free + */ + if (g_pfnrtR0Sol_contig_free == NULL) + { + rc = RTR0DbgKrnlInfoQuerySymbol(g_hKrnlDbgInfo, NULL /* pszModule */, "contig_free", + (void **)&g_pfnrtR0Sol_contig_free); + if (RT_FAILURE(rc)) + { + cmn_err(CE_NOTE, "rtR0InitNative: failed to find contig_free!\n"); + goto errorbail; + } + } + + g_frtSolInitDone = true; + return VINF_SUCCESS; + } + else + { + cmn_err(CE_NOTE, "RTR0DbgKrnlInfoOpen failed. rc=%d\n", rc); + return rc; + } + +errorbail: + RTR0DbgKrnlInfoRelease(g_hKrnlDbgInfo); + return rc; +} + + +DECLHIDDEN(void) rtR0TermNative(void) +{ + RTR0DbgKrnlInfoRelease(g_hKrnlDbgInfo); + g_frtSolInitDone = false; +} + |