diff options
Diffstat (limited to 'src/VBox/VMM/VMMR3/EMHM.cpp')
| -rw-r--r-- | src/VBox/VMM/VMMR3/EMHM.cpp | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/src/VBox/VMM/VMMR3/EMHM.cpp b/src/VBox/VMM/VMMR3/EMHM.cpp new file mode 100644 index 00000000..378b40f8 --- /dev/null +++ b/src/VBox/VMM/VMMR3/EMHM.cpp @@ -0,0 +1,477 @@ +/* $Id: EMHM.cpp $ */ +/** @file + * EM - Execution Monitor / Manager - hardware virtualization + */ + +/* + * Copyright (C) 2006-2020 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. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP LOG_GROUP_EM +#define VMCPU_INCL_CPUM_GST_CTX +#include <VBox/vmm/em.h> +#include <VBox/vmm/vmm.h> +#include <VBox/vmm/selm.h> +#include <VBox/vmm/trpm.h> +#include <VBox/vmm/iem.h> +#include <VBox/vmm/iom.h> +#include <VBox/vmm/dbgf.h> +#include <VBox/vmm/pgm.h> +#include <VBox/vmm/tm.h> +#include <VBox/vmm/mm.h> +#include <VBox/vmm/ssm.h> +#include <VBox/vmm/pdmapi.h> +#include <VBox/vmm/pdmcritsect.h> +#include <VBox/vmm/pdmqueue.h> +#include <VBox/vmm/hm.h> +#include "EMInternal.h" +#include <VBox/vmm/vm.h> +#include <VBox/vmm/gim.h> +#include <VBox/vmm/cpumdis.h> +#include <VBox/dis.h> +#include <VBox/disopcode.h> +#include <VBox/err.h> +#include <VBox/vmm/dbgf.h> +#include "VMMTracing.h" + +#include <iprt/asm.h> + + +/********************************************************************************************************************************* +* Internal Functions * +*********************************************************************************************************************************/ +static int emR3HmHandleRC(PVM pVM, PVMCPU pVCpu, int rc); +DECLINLINE(int) emR3HmExecuteInstruction(PVM pVM, PVMCPU pVCpu, const char *pszPrefix, int rcGC = VINF_SUCCESS); +static int emR3HmExecuteIOInstruction(PVM pVM, PVMCPU pVCpu); +static int emR3HmForcedActions(PVM pVM, PVMCPU pVCpu); + +#define EMHANDLERC_WITH_HM +#define emR3ExecuteInstruction emR3HmExecuteInstruction +#define emR3ExecuteIOInstruction emR3HmExecuteIOInstruction +#include "EMHandleRCTmpl.h" + + +/** + * Executes instruction in HM mode if we can. + * + * This is somewhat comparable to REMR3EmulateInstruction. + * + * @returns VBox strict status code. + * @retval VINF_EM_DBG_STEPPED on success. + * @retval VERR_EM_CANNOT_EXEC_GUEST if we cannot execute guest instructions in + * HM right now. + * + * @param pVM The cross context VM structure. + * @param pVCpu The cross context virtual CPU structure for the calling EMT. + * @param fFlags Combinations of EM_ONE_INS_FLAGS_XXX. + * @thread EMT. + */ +VMMR3_INT_DECL(VBOXSTRICTRC) EMR3HmSingleInstruction(PVM pVM, PVMCPU pVCpu, uint32_t fFlags) +{ + Assert(!(fFlags & ~EM_ONE_INS_FLAGS_MASK)); + + if (!HMCanExecuteGuest(pVM, pVCpu, &pVCpu->cpum.GstCtx)) + return VINF_EM_RESCHEDULE; + + uint64_t const uOldRip = pVCpu->cpum.GstCtx.rip; + for (;;) + { + /* + * Service necessary FFs before going into HM. + */ + if ( VM_FF_IS_ANY_SET(pVM, VM_FF_HIGH_PRIORITY_PRE_RAW_MASK) + || VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_HIGH_PRIORITY_PRE_RAW_MASK)) + { + VBOXSTRICTRC rcStrict = emR3HmForcedActions(pVM, pVCpu); + if (rcStrict != VINF_SUCCESS) + { + Log(("EMR3HmSingleInstruction: FFs before -> %Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); + return rcStrict; + } + } + + /* + * Go execute it. + */ + bool fOld = HMSetSingleInstruction(pVM, pVCpu, true); + VBOXSTRICTRC rcStrict = VMMR3HmRunGC(pVM, pVCpu); + HMSetSingleInstruction(pVM, pVCpu, fOld); + LogFlow(("EMR3HmSingleInstruction: %Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); + + /* + * Handle high priority FFs and informational status codes. We don't do + * normal FF processing the caller or the next call can deal with them. + */ + VMCPU_FF_CLEAR_MASK(pVCpu, VMCPU_FF_RESUME_GUEST_MASK); + if ( VM_FF_IS_ANY_SET(pVM, VM_FF_HIGH_PRIORITY_POST_MASK) + || VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_HIGH_PRIORITY_POST_MASK)) + { + rcStrict = emR3HighPriorityPostForcedActions(pVM, pVCpu, rcStrict); + LogFlow(("EMR3HmSingleInstruction: FFs after -> %Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); + } + + if (rcStrict != VINF_SUCCESS && (rcStrict < VINF_EM_FIRST || rcStrict > VINF_EM_LAST)) + { + rcStrict = emR3HmHandleRC(pVM, pVCpu, VBOXSTRICTRC_TODO(rcStrict)); + Log(("EMR3HmSingleInstruction: emR3HmHandleRC -> %Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); + } + + /* + * Done? + */ + if ( (rcStrict != VINF_SUCCESS && rcStrict != VINF_EM_DBG_STEPPED) + || !(fFlags & EM_ONE_INS_FLAGS_RIP_CHANGE) + || pVCpu->cpum.GstCtx.rip != uOldRip) + { + if (rcStrict == VINF_SUCCESS && pVCpu->cpum.GstCtx.rip != uOldRip) + rcStrict = VINF_EM_DBG_STEPPED; + Log(("EMR3HmSingleInstruction: returns %Rrc (rip %llx -> %llx)\n", VBOXSTRICTRC_VAL(rcStrict), uOldRip, pVCpu->cpum.GstCtx.rip)); + CPUM_IMPORT_EXTRN_RET(pVCpu, ~CPUMCTX_EXTRN_KEEPER_MASK); + return rcStrict; + } + } +} + + +/** + * Executes one (or perhaps a few more) instruction(s). + * + * @returns VBox status code suitable for EM. + * + * @param pVM The cross context VM structure. + * @param pVCpu The cross context virtual CPU structure. + * @param rcRC Return code from RC. + * @param pszPrefix Disassembly prefix. If not NULL we'll disassemble the + * instruction and prefix the log output with this text. + */ +#if defined(LOG_ENABLED) || defined(DOXYGEN_RUNNING) +static int emR3HmExecuteInstructionWorker(PVM pVM, PVMCPU pVCpu, int rcRC, const char *pszPrefix) +#else +static int emR3HmExecuteInstructionWorker(PVM pVM, PVMCPU pVCpu, int rcRC) +#endif +{ + RT_NOREF(rcRC, pVM); + +#ifdef LOG_ENABLED + /* + * Log it. + */ + Log(("EMINS: %04x:%RGv RSP=%RGv\n", pVCpu->cpum.GstCtx.cs.Sel, (RTGCPTR)pVCpu->cpum.GstCtx.rip, (RTGCPTR)pVCpu->cpum.GstCtx.rsp)); + if (pszPrefix) + { + DBGFR3_INFO_LOG(pVM, pVCpu, "cpumguest", pszPrefix); + DBGFR3_DISAS_INSTR_CUR_LOG(pVCpu, pszPrefix); + } +#endif + + /* + * Use IEM and fallback on REM if the functionality is missing. + * Once IEM gets mature enough, nothing should ever fall back. + */ + STAM_PROFILE_START(&pVCpu->em.s.StatIEMEmu, a); + VBOXSTRICTRC rcStrict; + uint32_t idxContinueExitRec = pVCpu->em.s.idxContinueExitRec; + RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); + if (idxContinueExitRec >= RT_ELEMENTS(pVCpu->em.s.aExitRecords)) + { + CPUM_IMPORT_EXTRN_RET(pVCpu, IEM_CPUMCTX_EXTRN_MUST_MASK); + rcStrict = VBOXSTRICTRC_TODO(IEMExecOne(pVCpu)); + } + else + { + RT_UNTRUSTED_VALIDATED_FENCE(); + rcStrict = EMHistoryExec(pVCpu, &pVCpu->em.s.aExitRecords[idxContinueExitRec], 0); + LogFlow(("emR3HmExecuteInstruction: %Rrc (EMHistoryExec)\n", VBOXSTRICTRC_VAL(rcStrict))); + } + STAM_PROFILE_STOP(&pVCpu->em.s.StatIEMEmu, a); + + return VBOXSTRICTRC_TODO(rcStrict); +} + + +/** + * Executes one (or perhaps a few more) instruction(s). + * This is just a wrapper for discarding pszPrefix in non-logging builds. + * + * @returns VBox status code suitable for EM. + * @param pVM The cross context VM structure. + * @param pVCpu The cross context virtual CPU structure. + * @param pszPrefix Disassembly prefix. If not NULL we'll disassemble the + * instruction and prefix the log output with this text. + * @param rcGC GC return code + */ +DECLINLINE(int) emR3HmExecuteInstruction(PVM pVM, PVMCPU pVCpu, const char *pszPrefix, int rcGC) +{ +#ifdef LOG_ENABLED + return emR3HmExecuteInstructionWorker(pVM, pVCpu, rcGC, pszPrefix); +#else + RT_NOREF_PV(pszPrefix); + return emR3HmExecuteInstructionWorker(pVM, pVCpu, rcGC); +#endif +} + + +/** + * Executes one (or perhaps a few more) IO instruction(s). + * + * @returns VBox status code suitable for EM. + * @param pVM The cross context VM structure. + * @param pVCpu The cross context virtual CPU structure. + */ +static int emR3HmExecuteIOInstruction(PVM pVM, PVMCPU pVCpu) +{ + RT_NOREF(pVM); + STAM_PROFILE_START(&pVCpu->em.s.StatIOEmu, a); + + VBOXSTRICTRC rcStrict; + uint32_t idxContinueExitRec = pVCpu->em.s.idxContinueExitRec; + RT_UNTRUSTED_NONVOLATILE_COPY_FENCE(); + if (idxContinueExitRec >= RT_ELEMENTS(pVCpu->em.s.aExitRecords)) + { + /* + * Hand it over to the interpreter. + */ + CPUM_IMPORT_EXTRN_RET(pVCpu, IEM_CPUMCTX_EXTRN_MUST_MASK); + rcStrict = IEMExecOne(pVCpu); + LogFlow(("emR3HmExecuteIOInstruction: %Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); + } + else + { + RT_UNTRUSTED_VALIDATED_FENCE(); + CPUM_IMPORT_EXTRN_RET(pVCpu, IEM_CPUMCTX_EXTRN_MUST_MASK); + rcStrict = EMHistoryExec(pVCpu, &pVCpu->em.s.aExitRecords[idxContinueExitRec], 0); + LogFlow(("emR3HmExecuteIOInstruction: %Rrc (EMHistoryExec)\n", VBOXSTRICTRC_VAL(rcStrict))); + STAM_COUNTER_INC(&pVCpu->em.s.CTX_SUFF(pStats)->StatIoRestarted); + } + + STAM_COUNTER_INC(&pVCpu->em.s.CTX_SUFF(pStats)->StatIoIem); + STAM_PROFILE_STOP(&pVCpu->em.s.StatIOEmu, a); + return VBOXSTRICTRC_TODO(rcStrict); +} + + +/** + * Process HM specific forced actions. + * + * This function is called when any FFs in the VM_FF_HIGH_PRIORITY_PRE_RAW_MASK + * or/and VMCPU_FF_HIGH_PRIORITY_PRE_RAW_MASK are pending. + * + * @returns VBox status code. May return VINF_EM_NO_MEMORY but none of the other + * EM statuses. + * @param pVM The cross context VM structure. + * @param pVCpu The cross context virtual CPU structure. + */ +static int emR3HmForcedActions(PVM pVM, PVMCPU pVCpu) +{ + /* + * Sync page directory. + */ + if (VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3 | VMCPU_FF_PGM_SYNC_CR3_NON_GLOBAL)) + { + CPUM_IMPORT_EXTRN_RET(pVCpu, CPUMCTX_EXTRN_CR0 | CPUMCTX_EXTRN_CR3 | CPUMCTX_EXTRN_CR4); + Assert(pVCpu->em.s.enmState != EMSTATE_WAIT_SIPI); + int rc = PGMSyncCR3(pVCpu, pVCpu->cpum.GstCtx.cr0, pVCpu->cpum.GstCtx.cr3, pVCpu->cpum.GstCtx.cr4, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3)); + if (RT_FAILURE(rc)) + return rc; + + /* Prefetch pages for EIP and ESP. */ + /** @todo This is rather expensive. Should investigate if it really helps at all. */ + /** @todo this should be skipped! */ + CPUM_IMPORT_EXTRN_RET(pVCpu, CPUMCTX_EXTRN_CS | CPUMCTX_EXTRN_SS); + rc = PGMPrefetchPage(pVCpu, SELMToFlat(pVM, DISSELREG_CS, CPUMCTX2CORE(&pVCpu->cpum.GstCtx), pVCpu->cpum.GstCtx.rip)); + if (rc == VINF_SUCCESS) + rc = PGMPrefetchPage(pVCpu, SELMToFlat(pVM, DISSELREG_SS, CPUMCTX2CORE(&pVCpu->cpum.GstCtx), pVCpu->cpum.GstCtx.rsp)); + if (rc != VINF_SUCCESS) + { + if (rc != VINF_PGM_SYNC_CR3) + { + AssertLogRelMsgReturn(RT_FAILURE(rc), ("%Rrc\n", rc), VERR_IPE_UNEXPECTED_INFO_STATUS); + return rc; + } + rc = PGMSyncCR3(pVCpu, pVCpu->cpum.GstCtx.cr0, pVCpu->cpum.GstCtx.cr3, pVCpu->cpum.GstCtx.cr4, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3)); + if (RT_FAILURE(rc)) + return rc; + } + /** @todo maybe prefetch the supervisor stack page as well */ + } + + /* + * Allocate handy pages (just in case the above actions have consumed some pages). + */ + if (VM_FF_IS_PENDING_EXCEPT(pVM, VM_FF_PGM_NEED_HANDY_PAGES, VM_FF_PGM_NO_MEMORY)) + { + int rc = PGMR3PhysAllocateHandyPages(pVM); + if (RT_FAILURE(rc)) + return rc; + } + + /* + * Check whether we're out of memory now. + * + * This may stem from some of the above actions or operations that has been executed + * since we ran FFs. The allocate handy pages must for instance always be followed by + * this check. + */ + if (VM_FF_IS_SET(pVM, VM_FF_PGM_NO_MEMORY)) + return VINF_EM_NO_MEMORY; + + return VINF_SUCCESS; +} + + +/** + * Executes hardware accelerated raw code. (Intel VT-x & AMD-V) + * + * This function contains the raw-mode version of the inner + * execution loop (the outer loop being in EMR3ExecuteVM()). + * + * @returns VBox status code. The most important ones are: VINF_EM_RESCHEDULE, VINF_EM_RESCHEDULE_RAW, + * VINF_EM_RESCHEDULE_REM, VINF_EM_SUSPEND, VINF_EM_RESET and VINF_EM_TERMINATE. + * + * @param pVM The cross context VM structure. + * @param pVCpu The cross context virtual CPU structure. + * @param pfFFDone Where to store an indicator telling whether or not + * FFs were done before returning. + */ +int emR3HmExecute(PVM pVM, PVMCPU pVCpu, bool *pfFFDone) +{ + int rc = VERR_IPE_UNINITIALIZED_STATUS; + + LogFlow(("emR3HmExecute%d: (cs:eip=%04x:%RGv)\n", pVCpu->idCpu, pVCpu->cpum.GstCtx.cs.Sel, (RTGCPTR)pVCpu->cpum.GstCtx.rip)); + *pfFFDone = false; + + STAM_COUNTER_INC(&pVCpu->em.s.StatHMExecuteCalled); + + /* + * Spin till we get a forced action which returns anything but VINF_SUCCESS. + */ + for (;;) + { + STAM_PROFILE_ADV_START(&pVCpu->em.s.StatHMEntry, a); + + /* Check if a forced reschedule is pending. */ + if (HMR3IsRescheduleRequired(pVM, &pVCpu->cpum.GstCtx)) + { + rc = VINF_EM_RESCHEDULE; + break; + } + + /* + * Process high priority pre-execution raw-mode FFs. + */ + if ( VM_FF_IS_ANY_SET(pVM, VM_FF_HIGH_PRIORITY_PRE_RAW_MASK) + || VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_HIGH_PRIORITY_PRE_RAW_MASK)) + { + rc = emR3HmForcedActions(pVM, pVCpu); + if (rc != VINF_SUCCESS) + break; + } + +#ifdef LOG_ENABLED + /* + * Log important stuff before entering GC. + */ + if (TRPMHasTrap(pVCpu)) + Log(("CPU%d: Pending hardware interrupt=0x%x cs:rip=%04X:%RGv\n", pVCpu->idCpu, TRPMGetTrapNo(pVCpu), pVCpu->cpum.GstCtx.cs.Sel, (RTGCPTR)pVCpu->cpum.GstCtx.rip)); + + uint32_t cpl = CPUMGetGuestCPL(pVCpu); + if (pVM->cCpus == 1) + { + if (pVCpu->cpum.GstCtx.eflags.Bits.u1VM) + Log(("HWV86: %08X IF=%d\n", pVCpu->cpum.GstCtx.eip, pVCpu->cpum.GstCtx.eflags.Bits.u1IF)); + else if (CPUMIsGuestIn64BitCodeEx(&pVCpu->cpum.GstCtx)) + Log(("HWR%d: %04X:%RGv ESP=%RGv IF=%d IOPL=%d CR0=%x CR4=%x EFER=%x\n", cpl, pVCpu->cpum.GstCtx.cs.Sel, (RTGCPTR)pVCpu->cpum.GstCtx.rip, pVCpu->cpum.GstCtx.rsp, pVCpu->cpum.GstCtx.eflags.Bits.u1IF, pVCpu->cpum.GstCtx.eflags.Bits.u2IOPL, (uint32_t)pVCpu->cpum.GstCtx.cr0, (uint32_t)pVCpu->cpum.GstCtx.cr4, (uint32_t)pVCpu->cpum.GstCtx.msrEFER)); + else + Log(("HWR%d: %04X:%08X ESP=%08X IF=%d IOPL=%d CR0=%x CR4=%x EFER=%x\n", cpl, pVCpu->cpum.GstCtx.cs.Sel, pVCpu->cpum.GstCtx.eip, pVCpu->cpum.GstCtx.esp, pVCpu->cpum.GstCtx.eflags.Bits.u1IF, pVCpu->cpum.GstCtx.eflags.Bits.u2IOPL, (uint32_t)pVCpu->cpum.GstCtx.cr0, (uint32_t)pVCpu->cpum.GstCtx.cr4, (uint32_t)pVCpu->cpum.GstCtx.msrEFER)); + } + else + { + if (pVCpu->cpum.GstCtx.eflags.Bits.u1VM) + Log(("HWV86-CPU%d: %08X IF=%d\n", pVCpu->idCpu, pVCpu->cpum.GstCtx.eip, pVCpu->cpum.GstCtx.eflags.Bits.u1IF)); + else if (CPUMIsGuestIn64BitCodeEx(&pVCpu->cpum.GstCtx)) + Log(("HWR%d-CPU%d: %04X:%RGv ESP=%RGv IF=%d IOPL=%d CR0=%x CR4=%x EFER=%x\n", cpl, pVCpu->idCpu, pVCpu->cpum.GstCtx.cs.Sel, (RTGCPTR)pVCpu->cpum.GstCtx.rip, pVCpu->cpum.GstCtx.rsp, pVCpu->cpum.GstCtx.eflags.Bits.u1IF, pVCpu->cpum.GstCtx.eflags.Bits.u2IOPL, (uint32_t)pVCpu->cpum.GstCtx.cr0, (uint32_t)pVCpu->cpum.GstCtx.cr4, (uint32_t)pVCpu->cpum.GstCtx.msrEFER)); + else + Log(("HWR%d-CPU%d: %04X:%08X ESP=%08X IF=%d IOPL=%d CR0=%x CR4=%x EFER=%x\n", cpl, pVCpu->idCpu, pVCpu->cpum.GstCtx.cs.Sel, pVCpu->cpum.GstCtx.eip, pVCpu->cpum.GstCtx.esp, pVCpu->cpum.GstCtx.eflags.Bits.u1IF, pVCpu->cpum.GstCtx.eflags.Bits.u2IOPL, (uint32_t)pVCpu->cpum.GstCtx.cr0, (uint32_t)pVCpu->cpum.GstCtx.cr4, (uint32_t)pVCpu->cpum.GstCtx.msrEFER)); + } +#endif /* LOG_ENABLED */ + + /* + * Execute the code. + */ + STAM_PROFILE_ADV_STOP(&pVCpu->em.s.StatHMEntry, a); + + if (RT_LIKELY(emR3IsExecutionAllowed(pVM, pVCpu))) + { + STAM_PROFILE_START(&pVCpu->em.s.StatHMExec, x); + rc = VMMR3HmRunGC(pVM, pVCpu); + STAM_PROFILE_STOP(&pVCpu->em.s.StatHMExec, x); + } + else + { + /* Give up this time slice; virtual time continues */ + STAM_REL_PROFILE_ADV_START(&pVCpu->em.s.StatCapped, u); + RTThreadSleep(5); + STAM_REL_PROFILE_ADV_STOP(&pVCpu->em.s.StatCapped, u); + rc = VINF_SUCCESS; + } + + + /* + * Deal with high priority post execution FFs before doing anything else. + */ + VMCPU_FF_CLEAR_MASK(pVCpu, VMCPU_FF_RESUME_GUEST_MASK); + if ( VM_FF_IS_ANY_SET(pVM, VM_FF_HIGH_PRIORITY_POST_MASK) + || VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_HIGH_PRIORITY_POST_MASK)) + rc = VBOXSTRICTRC_TODO(emR3HighPriorityPostForcedActions(pVM, pVCpu, rc)); + + /* + * Process the returned status code. + */ + if (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST) + break; + + rc = emR3HmHandleRC(pVM, pVCpu, rc); + if (rc != VINF_SUCCESS) + break; + + /* + * Check and execute forced actions. + */ +#ifdef VBOX_HIGH_RES_TIMERS_HACK + TMTimerPollVoid(pVM, pVCpu); +#endif + if ( VM_FF_IS_ANY_SET(pVM, VM_FF_ALL_MASK) + || VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_ALL_MASK)) + { + rc = emR3ForcedActions(pVM, pVCpu, rc); + VBOXVMM_EM_FF_ALL_RET(pVCpu, rc); + if ( rc != VINF_SUCCESS + && rc != VINF_EM_RESCHEDULE_HM) + { + *pfFFDone = true; + break; + } + } + } + + /* + * Return to outer loop. + */ +#if defined(LOG_ENABLED) && defined(DEBUG) + RTLogFlush(NULL); +#endif + return rc; +} + |