| 1 | /* $Id: EMHandleRCTmpl.h 98103 2023-01-17 14:15:46Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * EM - emR3[Raw|Hm|Nem]HandleRC template.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox base platform packages, as
|
|---|
| 10 | * available from https://www.virtualbox.org.
|
|---|
| 11 | *
|
|---|
| 12 | * This program is free software; you can redistribute it and/or
|
|---|
| 13 | * modify it under the terms of the GNU General Public License
|
|---|
| 14 | * as published by the Free Software Foundation, in version 3 of the
|
|---|
| 15 | * License.
|
|---|
| 16 | *
|
|---|
| 17 | * This program is distributed in the hope that it will be useful, but
|
|---|
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 20 | * General Public License for more details.
|
|---|
| 21 | *
|
|---|
| 22 | * You should have received a copy of the GNU General Public License
|
|---|
| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
|---|
| 24 | *
|
|---|
| 25 | * SPDX-License-Identifier: GPL-3.0-only
|
|---|
| 26 | */
|
|---|
| 27 |
|
|---|
| 28 | #ifndef VMM_INCLUDED_SRC_include_EMHandleRCTmpl_h
|
|---|
| 29 | #define VMM_INCLUDED_SRC_include_EMHandleRCTmpl_h
|
|---|
| 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 31 | # pragma once
|
|---|
| 32 | #endif
|
|---|
| 33 |
|
|---|
| 34 | #if defined(EMHANDLERC_WITH_PATM) + defined(EMHANDLERC_WITH_HM) + defined(EMHANDLERC_WITH_NEM) != 1
|
|---|
| 35 | # error "Exactly one of these must be defined: EMHANDLERC_WITH_PATM, EMHANDLERC_WITH_HM, EMHANDLERC_WITH_NEM"
|
|---|
| 36 | #endif
|
|---|
| 37 |
|
|---|
| 38 |
|
|---|
| 39 | /**
|
|---|
| 40 | * Process a subset of the raw-mode, HM and NEM return codes.
|
|---|
| 41 | *
|
|---|
| 42 | * Since we have to share this with raw-mode single stepping, this inline
|
|---|
| 43 | * function has been created to avoid code duplication.
|
|---|
| 44 | *
|
|---|
| 45 | * @returns VINF_SUCCESS if it's ok to continue raw mode.
|
|---|
| 46 | * @returns VBox status code to return to the EM main loop.
|
|---|
| 47 | *
|
|---|
| 48 | * @param pVM The cross context VM structure.
|
|---|
| 49 | * @param pVCpu The cross context virtual CPU structure.
|
|---|
| 50 | * @param rc The return code.
|
|---|
| 51 | */
|
|---|
| 52 | #if defined(EMHANDLERC_WITH_HM) || defined(DOXYGEN_RUNNING)
|
|---|
| 53 | int emR3HmHandleRC(PVM pVM, PVMCPU pVCpu, int rc)
|
|---|
| 54 | #elif defined(EMHANDLERC_WITH_NEM)
|
|---|
| 55 | int emR3NemHandleRC(PVM pVM, PVMCPU pVCpu, int rc)
|
|---|
| 56 | #endif
|
|---|
| 57 | {
|
|---|
| 58 | switch (rc)
|
|---|
| 59 | {
|
|---|
| 60 | /*
|
|---|
| 61 | * Common & simple ones.
|
|---|
| 62 | */
|
|---|
| 63 | case VINF_SUCCESS:
|
|---|
| 64 | break;
|
|---|
| 65 | case VINF_EM_RESCHEDULE_RAW:
|
|---|
| 66 | case VINF_EM_RESCHEDULE_HM:
|
|---|
| 67 | case VINF_EM_RAW_INTERRUPT:
|
|---|
| 68 | case VINF_EM_RAW_TO_R3:
|
|---|
| 69 | case VINF_EM_RAW_TIMER_PENDING:
|
|---|
| 70 | case VINF_EM_PENDING_REQUEST:
|
|---|
| 71 | rc = VINF_SUCCESS;
|
|---|
| 72 | break;
|
|---|
| 73 |
|
|---|
| 74 | #ifndef EMHANDLERC_WITH_NEM
|
|---|
| 75 | /*
|
|---|
| 76 | * Conflict or out of page tables.
|
|---|
| 77 | *
|
|---|
| 78 | * VM_FF_PGM_SYNC_CR3 is set by the hypervisor and all we need to
|
|---|
| 79 | * do here is to execute the pending forced actions.
|
|---|
| 80 | */
|
|---|
| 81 | case VINF_PGM_SYNC_CR3:
|
|---|
| 82 | AssertMsg(VMCPU_FF_IS_ANY_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3 | VMCPU_FF_PGM_SYNC_CR3_NON_GLOBAL),
|
|---|
| 83 | ("VINF_PGM_SYNC_CR3 and no VMCPU_FF_PGM_SYNC_CR3*!\n"));
|
|---|
| 84 | rc = VINF_SUCCESS;
|
|---|
| 85 | break;
|
|---|
| 86 |
|
|---|
| 87 | /*
|
|---|
| 88 | * PGM pool flush pending (guest SMP only).
|
|---|
| 89 | */
|
|---|
| 90 | /** @todo jumping back and forth between ring 0 and 3 can burn a lot of cycles
|
|---|
| 91 | * if the EMT thread that's supposed to handle the flush is currently not active
|
|---|
| 92 | * (e.g. waiting to be scheduled) -> fix this properly!
|
|---|
| 93 | *
|
|---|
| 94 | * bird: Since the clearing is global and done via a rendezvous any CPU can do
|
|---|
| 95 | * it. They would have to choose who to call VMMR3EmtRendezvous and send
|
|---|
| 96 | * the rest to VMMR3EmtRendezvousFF ... Hmm ... that's not going to work
|
|---|
| 97 | * all that well since the latter will race the setup done by the
|
|---|
| 98 | * first. Guess that means we need some new magic in that area for
|
|---|
| 99 | * handling this case. :/
|
|---|
| 100 | */
|
|---|
| 101 | case VINF_PGM_POOL_FLUSH_PENDING:
|
|---|
| 102 | rc = VINF_SUCCESS;
|
|---|
| 103 | break;
|
|---|
| 104 | #endif /* !EMHANDLERC_WITH_NEM */
|
|---|
| 105 |
|
|---|
| 106 | /*
|
|---|
| 107 | * I/O Port access - emulate the instruction.
|
|---|
| 108 | */
|
|---|
| 109 | case VINF_IOM_R3_IOPORT_READ:
|
|---|
| 110 | case VINF_IOM_R3_IOPORT_WRITE:
|
|---|
| 111 | case VINF_EM_RESUME_R3_HISTORY_EXEC: /* Resume EMHistoryExec after VMCPU_FF_IOM. */
|
|---|
| 112 | rc = emR3ExecuteIOInstruction(pVM, pVCpu);
|
|---|
| 113 | break;
|
|---|
| 114 |
|
|---|
| 115 | /*
|
|---|
| 116 | * Execute pending I/O Port access.
|
|---|
| 117 | */
|
|---|
| 118 | case VINF_EM_PENDING_R3_IOPORT_WRITE:
|
|---|
| 119 | rc = VBOXSTRICTRC_TODO(emR3ExecutePendingIoPortWrite(pVM, pVCpu));
|
|---|
| 120 | break;
|
|---|
| 121 | case VINF_EM_PENDING_R3_IOPORT_READ:
|
|---|
| 122 | rc = VBOXSTRICTRC_TODO(emR3ExecutePendingIoPortRead(pVM, pVCpu));
|
|---|
| 123 | break;
|
|---|
| 124 |
|
|---|
| 125 | /*
|
|---|
| 126 | * Memory mapped I/O access - emulate the instruction.
|
|---|
| 127 | */
|
|---|
| 128 | case VINF_IOM_R3_MMIO_READ:
|
|---|
| 129 | case VINF_IOM_R3_MMIO_WRITE:
|
|---|
| 130 | case VINF_IOM_R3_MMIO_READ_WRITE:
|
|---|
| 131 | rc = emR3ExecuteInstruction(pVM, pVCpu, "MMIO");
|
|---|
| 132 | break;
|
|---|
| 133 |
|
|---|
| 134 | /*
|
|---|
| 135 | * Machine specific register access - emulate the instruction.
|
|---|
| 136 | */
|
|---|
| 137 | case VINF_CPUM_R3_MSR_READ:
|
|---|
| 138 | case VINF_CPUM_R3_MSR_WRITE:
|
|---|
| 139 | rc = emR3ExecuteInstruction(pVM, pVCpu, "MSR");
|
|---|
| 140 | break;
|
|---|
| 141 |
|
|---|
| 142 | /*
|
|---|
| 143 | * GIM hypercall.
|
|---|
| 144 | */
|
|---|
| 145 | case VINF_GIM_R3_HYPERCALL:
|
|---|
| 146 | rc = emR3ExecuteInstruction(pVM, pVCpu, "Hypercall");
|
|---|
| 147 | break;
|
|---|
| 148 |
|
|---|
| 149 | #ifdef EMHANDLERC_WITH_HM
|
|---|
| 150 | case VINF_EM_HM_PATCH_TPR_INSTR:
|
|---|
| 151 | rc = HMR3PatchTprInstr(pVM, pVCpu);
|
|---|
| 152 | break;
|
|---|
| 153 | #endif
|
|---|
| 154 |
|
|---|
| 155 | case VINF_EM_RAW_GUEST_TRAP:
|
|---|
| 156 | case VINF_EM_RAW_EMULATE_INSTR:
|
|---|
| 157 | AssertMsg(!TRPMHasTrap(pVCpu), ("trap=%#x\n", TRPMGetTrapNo(pVCpu))); /* We're directly executing instructions below without respecting any pending traps! */
|
|---|
| 158 | rc = emR3ExecuteInstruction(pVM, pVCpu, "EMUL: ");
|
|---|
| 159 | break;
|
|---|
| 160 |
|
|---|
| 161 | case VINF_EM_RAW_INJECT_TRPM_EVENT:
|
|---|
| 162 | CPUM_IMPORT_EXTRN_RET(pVCpu, IEM_CPUMCTX_EXTRN_XCPT_MASK);
|
|---|
| 163 | rc = VBOXSTRICTRC_VAL(IEMInjectTrpmEvent(pVCpu));
|
|---|
| 164 | /* The following condition should be removed when IEM_IMPLEMENTS_TASKSWITCH becomes true. */
|
|---|
| 165 | if (rc == VERR_IEM_ASPECT_NOT_IMPLEMENTED)
|
|---|
| 166 | rc = emR3ExecuteInstruction(pVM, pVCpu, "EVENT: ");
|
|---|
| 167 | break;
|
|---|
| 168 |
|
|---|
| 169 | case VINF_EM_EMULATE_SPLIT_LOCK:
|
|---|
| 170 | rc = VBOXSTRICTRC_TODO(emR3ExecuteSplitLockInstruction(pVM, pVCpu));
|
|---|
| 171 | break;
|
|---|
| 172 |
|
|---|
| 173 |
|
|---|
| 174 | /*
|
|---|
| 175 | * Up a level.
|
|---|
| 176 | */
|
|---|
| 177 | case VINF_EM_TERMINATE:
|
|---|
| 178 | case VINF_EM_OFF:
|
|---|
| 179 | case VINF_EM_RESET:
|
|---|
| 180 | case VINF_EM_SUSPEND:
|
|---|
| 181 | case VINF_EM_HALT:
|
|---|
| 182 | case VINF_EM_RESUME:
|
|---|
| 183 | case VINF_EM_NO_MEMORY:
|
|---|
| 184 | case VINF_EM_RESCHEDULE:
|
|---|
| 185 | case VINF_EM_RESCHEDULE_REM:
|
|---|
| 186 | case VINF_EM_WAIT_SIPI:
|
|---|
| 187 | break;
|
|---|
| 188 |
|
|---|
| 189 | /*
|
|---|
| 190 | * Up a level and invoke the debugger.
|
|---|
| 191 | */
|
|---|
| 192 | case VINF_EM_DBG_STEPPED:
|
|---|
| 193 | case VINF_EM_DBG_BREAKPOINT:
|
|---|
| 194 | case VINF_EM_DBG_STEP:
|
|---|
| 195 | case VINF_EM_DBG_HYPER_BREAKPOINT:
|
|---|
| 196 | case VINF_EM_DBG_HYPER_STEPPED:
|
|---|
| 197 | case VINF_EM_DBG_HYPER_ASSERTION:
|
|---|
| 198 | case VINF_EM_DBG_STOP:
|
|---|
| 199 | case VINF_EM_DBG_EVENT:
|
|---|
| 200 | break;
|
|---|
| 201 |
|
|---|
| 202 | /*
|
|---|
| 203 | * Up a level, dump and debug.
|
|---|
| 204 | */
|
|---|
| 205 | case VERR_TRPM_DONT_PANIC:
|
|---|
| 206 | case VERR_TRPM_PANIC:
|
|---|
| 207 | case VERR_VMM_RING0_ASSERTION:
|
|---|
| 208 | case VINF_EM_TRIPLE_FAULT:
|
|---|
| 209 | case VERR_VMM_HYPER_CR3_MISMATCH:
|
|---|
| 210 | case VERR_VMM_RING3_CALL_DISABLED:
|
|---|
| 211 | case VERR_IEM_INSTR_NOT_IMPLEMENTED:
|
|---|
| 212 | case VERR_IEM_ASPECT_NOT_IMPLEMENTED:
|
|---|
| 213 | case VERR_EM_GUEST_CPU_HANG:
|
|---|
| 214 | break;
|
|---|
| 215 |
|
|---|
| 216 | #ifdef EMHANDLERC_WITH_HM
|
|---|
| 217 | /*
|
|---|
| 218 | * Up a level, after Hm have done some release logging.
|
|---|
| 219 | */
|
|---|
| 220 | case VERR_VMX_INVALID_VMCS_FIELD:
|
|---|
| 221 | case VERR_VMX_INVALID_VMCS_PTR:
|
|---|
| 222 | case VERR_VMX_INVALID_VMXON_PTR:
|
|---|
| 223 | case VERR_VMX_UNEXPECTED_INTERRUPTION_EXIT_TYPE:
|
|---|
| 224 | case VERR_VMX_UNEXPECTED_EXCEPTION:
|
|---|
| 225 | case VERR_VMX_UNEXPECTED_EXIT:
|
|---|
| 226 | case VERR_VMX_INVALID_GUEST_STATE:
|
|---|
| 227 | case VERR_VMX_UNABLE_TO_START_VM:
|
|---|
| 228 | case VERR_SVM_UNKNOWN_EXIT:
|
|---|
| 229 | case VERR_SVM_UNEXPECTED_EXIT:
|
|---|
| 230 | case VERR_SVM_UNEXPECTED_PATCH_TYPE:
|
|---|
| 231 | case VERR_SVM_UNEXPECTED_XCPT_EXIT:
|
|---|
| 232 | HMR3CheckError(pVM, rc);
|
|---|
| 233 | break;
|
|---|
| 234 |
|
|---|
| 235 | /* Up a level; fatal */
|
|---|
| 236 | case VERR_VMX_IN_VMX_ROOT_MODE:
|
|---|
| 237 | case VERR_SVM_IN_USE:
|
|---|
| 238 | case VERR_SVM_UNABLE_TO_START_VM:
|
|---|
| 239 | break;
|
|---|
| 240 | #endif
|
|---|
| 241 |
|
|---|
| 242 | #ifdef EMHANDLERC_WITH_NEM
|
|---|
| 243 | /* Fatal stuff, up a level. */
|
|---|
| 244 | case VERR_NEM_IPE_0:
|
|---|
| 245 | case VERR_NEM_IPE_1:
|
|---|
| 246 | case VERR_NEM_IPE_2:
|
|---|
| 247 | case VERR_NEM_IPE_3:
|
|---|
| 248 | case VERR_NEM_IPE_4:
|
|---|
| 249 | case VERR_NEM_IPE_5:
|
|---|
| 250 | case VERR_NEM_IPE_6:
|
|---|
| 251 | case VERR_NEM_IPE_7:
|
|---|
| 252 | case VERR_NEM_IPE_8:
|
|---|
| 253 | case VERR_NEM_IPE_9:
|
|---|
| 254 | break;
|
|---|
| 255 | #endif
|
|---|
| 256 |
|
|---|
| 257 | /*
|
|---|
| 258 | * These two should be handled via the force flag already, but just in
|
|---|
| 259 | * case they end up here deal with it.
|
|---|
| 260 | */
|
|---|
| 261 | case VINF_IOM_R3_IOPORT_COMMIT_WRITE:
|
|---|
| 262 | case VINF_IOM_R3_MMIO_COMMIT_WRITE:
|
|---|
| 263 | AssertFailed();
|
|---|
| 264 | rc = VBOXSTRICTRC_TODO(IOMR3ProcessForceFlag(pVM, pVCpu, rc));
|
|---|
| 265 | break;
|
|---|
| 266 |
|
|---|
| 267 | /*
|
|---|
| 268 | * Anything which is not known to us means an internal error
|
|---|
| 269 | * and the termination of the VM!
|
|---|
| 270 | */
|
|---|
| 271 | default:
|
|---|
| 272 | AssertMsgFailed(("Unknown GC return code: %Rra\n", rc));
|
|---|
| 273 | break;
|
|---|
| 274 | }
|
|---|
| 275 | return rc;
|
|---|
| 276 | }
|
|---|
| 277 |
|
|---|
| 278 | #endif /* !VMM_INCLUDED_SRC_include_EMHandleRCTmpl_h */
|
|---|
| 279 |
|
|---|
