VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMRC/PDMRCDevice.cpp@ 56296

Last change on this file since 56296 was 56287, checked in by vboxsync, 9 years ago

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1/* $Id: PDMRCDevice.cpp 56287 2015-06-09 11:15:22Z vboxsync $ */
2/** @file
3 * PDM - Pluggable Device and Driver Manager, RC Device parts.
4 */
5
6/*
7 * Copyright (C) 2006-2015 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*******************************************************************************
20* Header Files *
21*******************************************************************************/
22#define LOG_GROUP LOG_GROUP_PDM_DEVICE
23#include "PDMInternal.h"
24#include <VBox/vmm/pdm.h>
25#include <VBox/vmm/pgm.h>
26#include <VBox/vmm/mm.h>
27#include <VBox/vmm/vm.h>
28#include <VBox/vmm/vmm.h>
29#include <VBox/vmm/patm.h>
30
31#include <VBox/log.h>
32#include <VBox/err.h>
33#include <iprt/asm.h>
34#include <iprt/assert.h>
35#include <iprt/string.h>
36
37#include "dtrace/VBoxVMM.h"
38#include "PDMInline.h"
39
40
41/*******************************************************************************
42* Global Variables *
43*******************************************************************************/
44RT_C_DECLS_BEGIN
45extern DECLEXPORT(const PDMDEVHLPRC) g_pdmRCDevHlp;
46extern DECLEXPORT(const PDMPICHLPRC) g_pdmRCPicHlp;
47extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp;
48extern DECLEXPORT(const PDMIOAPICHLPRC) g_pdmRCIoApicHlp;
49extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp;
50extern DECLEXPORT(const PDMHPETHLPRC) g_pdmRCHpetHlp;
51extern DECLEXPORT(const PDMDRVHLPRC) g_pdmRCDrvHlp;
52/** @todo missing PDMPCIRAWHLPRC */
53RT_C_DECLS_END
54
55
56/*******************************************************************************
57* Internal Functions *
58*******************************************************************************/
59static bool pdmRCIsaSetIrq(PVM pVM, int iIrq, int iLevel, uint32_t uTagSrc);
60
61
62/** @name Raw-Mode Context Device Helpers
63 * @{
64 */
65
66/** @interface_method_impl{PDMDEVHLPRC,pfnPCIPhysRead} */
67static DECLCALLBACK(int) pdmRCDevHlp_PCIPhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead)
68{
69 PDMDEV_ASSERT_DEVINS(pDevIns);
70
71#ifndef PDM_DO_NOT_RESPECT_PCI_BM_BIT
72 /*
73 * Just check the busmaster setting here and forward the request to the generic read helper.
74 */
75 PPCIDEVICE pPciDev = pDevIns->Internal.s.pPciDeviceRC;
76 AssertReleaseMsg(pPciDev, ("No PCI device registered!\n"));
77
78 if (!PCIDevIsBusmaster(pPciDev))
79 {
80 Log(("pdmRCDevHlp_PCIPhysRead: caller=%p/%d: returns %Rrc - Not bus master! GCPhys=%RGp cbRead=%#zx\n",
81 pDevIns, pDevIns->iInstance, VERR_PDM_NOT_PCI_BUS_MASTER, GCPhys, cbRead));
82 return VERR_PDM_NOT_PCI_BUS_MASTER;
83 }
84#endif
85
86 return pDevIns->pHlpRC->pfnPhysRead(pDevIns, GCPhys, pvBuf, cbRead);
87}
88
89
90/** @interface_method_impl{PDMDEVHLPRC,pfnPCIPhysRead} */
91static DECLCALLBACK(int) pdmRCDevHlp_PCIPhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite)
92{
93 PDMDEV_ASSERT_DEVINS(pDevIns);
94
95 /*
96 * Just check the busmaster setting here and forward the request to the generic read helper.
97 */
98 PPCIDEVICE pPciDev = pDevIns->Internal.s.pPciDeviceRC;
99 AssertReleaseMsg(pPciDev, ("No PCI device registered!\n"));
100
101 if (!PCIDevIsBusmaster(pPciDev))
102 {
103 Log(("pdmRCDevHlp_PCIPhysWrite: caller=%p/%d: returns %Rrc - Not bus master! GCPhys=%RGp cbWrite=%#zx\n",
104 pDevIns, pDevIns->iInstance, VERR_PDM_NOT_PCI_BUS_MASTER, GCPhys, cbWrite));
105 return VERR_PDM_NOT_PCI_BUS_MASTER;
106 }
107
108 return pDevIns->pHlpRC->pfnPhysWrite(pDevIns, GCPhys, pvBuf, cbWrite);
109}
110
111
112/** @interface_method_impl{PDMDEVHLPRC,pfnPCISetIrq} */
113static DECLCALLBACK(void) pdmRCDevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
114{
115 PDMDEV_ASSERT_DEVINS(pDevIns);
116 LogFlow(("pdmRCDevHlp_PCISetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
117
118 PVM pVM = pDevIns->Internal.s.pVMRC;
119 PPCIDEVICE pPciDev = pDevIns->Internal.s.pPciDeviceRC;
120 PPDMPCIBUS pPciBus = pDevIns->Internal.s.pPciBusRC;
121
122 pdmLock(pVM);
123 uint32_t uTagSrc;
124 if (iLevel & PDM_IRQ_LEVEL_HIGH)
125 {
126 pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
127 if (iLevel == PDM_IRQ_LEVEL_HIGH)
128 VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
129 else
130 VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
131 }
132 else
133 uTagSrc = pDevIns->Internal.s.uLastIrqTag;
134
135 if ( pPciDev
136 && pPciBus
137 && pPciBus->pDevInsRC)
138 {
139 pPciBus->pfnSetIrqRC(pPciBus->pDevInsRC, pPciDev, iIrq, iLevel, uTagSrc);
140
141 pdmUnlock(pVM);
142
143 if (iLevel == PDM_IRQ_LEVEL_LOW)
144 VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
145 }
146 else
147 {
148 pdmUnlock(pVM);
149
150 /* queue for ring-3 execution. */
151 PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
152 AssertReturnVoid(pTask);
153
154 pTask->enmOp = PDMDEVHLPTASKOP_PCI_SET_IRQ;
155 pTask->pDevInsR3 = PDMDEVINS_2_R3PTR(pDevIns);
156 pTask->u.SetIRQ.iIrq = iIrq;
157 pTask->u.SetIRQ.iLevel = iLevel;
158 pTask->u.SetIRQ.uTagSrc = uTagSrc;
159
160 PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
161 }
162
163 LogFlow(("pdmRCDevHlp_PCISetIrq: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc));
164}
165
166
167/** @interface_method_impl{PDMDRVHLPRC,pfnPCISetIrq} */
168static DECLCALLBACK(void) pdmRCDevHlp_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
169{
170 PDMDEV_ASSERT_DEVINS(pDevIns);
171 LogFlow(("pdmRCDevHlp_ISASetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
172 PVM pVM = pDevIns->Internal.s.pVMRC;
173
174 pdmLock(pVM);
175 uint32_t uTagSrc;
176 if (iLevel & PDM_IRQ_LEVEL_HIGH)
177 {
178 pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
179 if (iLevel == PDM_IRQ_LEVEL_HIGH)
180 VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
181 else
182 VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
183 }
184 else
185 uTagSrc = pDevIns->Internal.s.uLastIrqTag;
186
187 bool fRc = pdmRCIsaSetIrq(pVM, iIrq, iLevel, uTagSrc);
188
189 if (iLevel == PDM_IRQ_LEVEL_LOW && fRc)
190 VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
191 pdmUnlock(pVM);
192 LogFlow(("pdmRCDevHlp_ISASetIrq: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc));
193}
194
195
196/** @interface_method_impl{PDMDEVHLPRC,pfnPhysRead} */
197static DECLCALLBACK(int) pdmRCDevHlp_PhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead)
198{
199 PDMDEV_ASSERT_DEVINS(pDevIns);
200 LogFlow(("pdmRCDevHlp_PhysRead: caller=%p/%d: GCPhys=%RGp pvBuf=%p cbRead=%#x\n",
201 pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbRead));
202
203 VBOXSTRICTRC rcStrict = PGMPhysRead(pDevIns->Internal.s.pVMRC, GCPhys, pvBuf, cbRead, PGMACCESSORIGIN_DEVICE);
204 AssertMsg(rcStrict == VINF_SUCCESS, ("%Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); /** @todo track down the users for this bugger. */
205
206 Log(("pdmRCDevHlp_PhysRead: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, VBOXSTRICTRC_VAL(rcStrict) ));
207 return VBOXSTRICTRC_VAL(rcStrict);
208}
209
210
211/** @interface_method_impl{PDMDEVHLPRC,pfnPhysWrite} */
212static DECLCALLBACK(int) pdmRCDevHlp_PhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite)
213{
214 PDMDEV_ASSERT_DEVINS(pDevIns);
215 LogFlow(("pdmRCDevHlp_PhysWrite: caller=%p/%d: GCPhys=%RGp pvBuf=%p cbWrite=%#x\n",
216 pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbWrite));
217
218 VBOXSTRICTRC rcStrict = PGMPhysWrite(pDevIns->Internal.s.pVMRC, GCPhys, pvBuf, cbWrite, PGMACCESSORIGIN_DEVICE);
219 AssertMsg(rcStrict == VINF_SUCCESS, ("%Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); /** @todo track down the users for this bugger. */
220
221 Log(("pdmRCDevHlp_PhysWrite: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, VBOXSTRICTRC_VAL(rcStrict) ));
222 return VBOXSTRICTRC_VAL(rcStrict);
223}
224
225
226/** @interface_method_impl{PDMDEVHLPRC,pfnA20IsEnabled} */
227static DECLCALLBACK(bool) pdmRCDevHlp_A20IsEnabled(PPDMDEVINS pDevIns)
228{
229 PDMDEV_ASSERT_DEVINS(pDevIns);
230 LogFlow(("pdmRCDevHlp_A20IsEnabled: caller=%p/%d:\n", pDevIns, pDevIns->iInstance));
231
232 bool fEnabled = PGMPhysIsA20Enabled(VMMGetCpu0(pDevIns->Internal.s.pVMRC));
233
234 Log(("pdmRCDevHlp_A20IsEnabled: caller=%p/%d: returns %RTbool\n", pDevIns, pDevIns->iInstance, fEnabled));
235 return fEnabled;
236}
237
238
239/** @interface_method_impl{PDMDEVHLPRC,pfnVMState} */
240static DECLCALLBACK(VMSTATE) pdmRCDevHlp_VMState(PPDMDEVINS pDevIns)
241{
242 PDMDEV_ASSERT_DEVINS(pDevIns);
243
244 VMSTATE enmVMState = pDevIns->Internal.s.pVMRC->enmVMState;
245
246 LogFlow(("pdmRCDevHlp_VMState: caller=%p/%d: returns %d\n", pDevIns, pDevIns->iInstance, enmVMState));
247 return enmVMState;
248}
249
250
251/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetError} */
252static DECLCALLBACK(int) pdmRCDevHlp_VMSetError(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
253{
254 PDMDEV_ASSERT_DEVINS(pDevIns);
255 va_list args;
256 va_start(args, pszFormat);
257 int rc2 = VMSetErrorV(pDevIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2);
258 va_end(args);
259 return rc;
260}
261
262
263/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetErrorV} */
264static DECLCALLBACK(int) pdmRCDevHlp_VMSetErrorV(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)
265{
266 PDMDEV_ASSERT_DEVINS(pDevIns);
267 int rc2 = VMSetErrorV(pDevIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
268 return rc;
269}
270
271
272/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetRuntimeError} */
273static DECLCALLBACK(int) pdmRCDevHlp_VMSetRuntimeError(PPDMDEVINS pDevIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...)
274{
275 PDMDEV_ASSERT_DEVINS(pDevIns);
276 va_list va;
277 va_start(va, pszFormat);
278 int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
279 va_end(va);
280 return rc;
281}
282
283
284/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetErrorV} */
285static DECLCALLBACK(int) pdmRCDevHlp_VMSetRuntimeErrorV(PPDMDEVINS pDevIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va)
286{
287 PDMDEV_ASSERT_DEVINS(pDevIns);
288 int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
289 return rc;
290}
291
292
293/** @interface_method_impl{PDMDEVHLPRC,pfnPATMSetMMIOPatchInfo} */
294static DECLCALLBACK(int) pdmRCDevHlp_PATMSetMMIOPatchInfo(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, RTGCPTR pCachedData)
295{
296 PDMDEV_ASSERT_DEVINS(pDevIns);
297 LogFlow(("pdmRCDevHlp_PATMSetMMIOPatchInfo: caller=%p/%d:\n", pDevIns, pDevIns->iInstance));
298
299 return PATMSetMMIOPatchInfo(pDevIns->Internal.s.pVMRC, GCPhys, (RTRCPTR)(uintptr_t)pCachedData);
300}
301
302
303/** @interface_method_impl{PDMDEVHLPRC,pfnGetVM} */
304static DECLCALLBACK(PVM) pdmRCDevHlp_GetVM(PPDMDEVINS pDevIns)
305{
306 PDMDEV_ASSERT_DEVINS(pDevIns);
307 LogFlow(("pdmRCDevHlp_GetVM: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
308 return pDevIns->Internal.s.pVMRC;
309}
310
311
312/** @interface_method_impl{PDMDEVHLPRC,pfnGetVMCPU} */
313static DECLCALLBACK(PVMCPU) pdmRCDevHlp_GetVMCPU(PPDMDEVINS pDevIns)
314{
315 PDMDEV_ASSERT_DEVINS(pDevIns);
316 LogFlow(("pdmRCDevHlp_GetVMCPU: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
317 return VMMGetCpu(pDevIns->Internal.s.pVMRC);
318}
319
320
321/** @interface_method_impl{PDMDEVHLPRC,pfnGetCurrentCpuId} */
322static DECLCALLBACK(VMCPUID) pdmRCDevHlp_GetCurrentCpuId(PPDMDEVINS pDevIns)
323{
324 PDMDEV_ASSERT_DEVINS(pDevIns);
325 VMCPUID idCpu = VMMGetCpuId(pDevIns->Internal.s.pVMRC);
326 LogFlow(("pdmRCDevHlp_GetCurrentCpuId: caller='%p'/%d for CPU %u\n", pDevIns, pDevIns->iInstance, idCpu));
327 return idCpu;
328}
329
330
331/** @interface_method_impl{PDMDEVHLPRC,pfnTMTimeVirtGet} */
332static DECLCALLBACK(uint64_t) pdmRCDevHlp_TMTimeVirtGet(PPDMDEVINS pDevIns)
333{
334 PDMDEV_ASSERT_DEVINS(pDevIns);
335 LogFlow(("pdmRCDevHlp_TMTimeVirtGet: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
336 return TMVirtualGet(pDevIns->Internal.s.pVMRC);
337}
338
339
340/** @interface_method_impl{PDMDEVHLPRC,pfnTMTimeVirtGetFreq} */
341static DECLCALLBACK(uint64_t) pdmRCDevHlp_TMTimeVirtGetFreq(PPDMDEVINS pDevIns)
342{
343 PDMDEV_ASSERT_DEVINS(pDevIns);
344 LogFlow(("pdmRCDevHlp_TMTimeVirtGetFreq: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
345 return TMVirtualGetFreq(pDevIns->Internal.s.pVMRC);
346}
347
348
349/** @interface_method_impl{PDMDEVHLPRC,pfnTMTimeVirtGetNano} */
350static DECLCALLBACK(uint64_t) pdmRCDevHlp_TMTimeVirtGetNano(PPDMDEVINS pDevIns)
351{
352 PDMDEV_ASSERT_DEVINS(pDevIns);
353 LogFlow(("pdmRCDevHlp_TMTimeVirtGetNano: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
354 return TMVirtualToNano(pDevIns->Internal.s.pVMRC, TMVirtualGet(pDevIns->Internal.s.pVMRC));
355}
356
357
358/** @interface_method_impl{PDMDEVHLPRC,pfnDBGFTraceBuf} */
359static DECLCALLBACK(RTTRACEBUF) pdmRCDevHlp_DBGFTraceBuf(PPDMDEVINS pDevIns)
360{
361 PDMDEV_ASSERT_DEVINS(pDevIns);
362 RTTRACEBUF hTraceBuf = pDevIns->Internal.s.pVMRC->hTraceBufRC;
363 LogFlow(("pdmRCDevHlp_DBGFTraceBuf: caller='%p'/%d: returns %p\n", pDevIns, pDevIns->iInstance, hTraceBuf));
364 return hTraceBuf;
365}
366
367
368/**
369 * The Raw-Mode Context Device Helper Callbacks.
370 */
371extern DECLEXPORT(const PDMDEVHLPRC) g_pdmRCDevHlp =
372{
373 PDM_DEVHLPRC_VERSION,
374 pdmRCDevHlp_PCIPhysRead,
375 pdmRCDevHlp_PCIPhysWrite,
376 pdmRCDevHlp_PCISetIrq,
377 pdmRCDevHlp_ISASetIrq,
378 pdmRCDevHlp_PhysRead,
379 pdmRCDevHlp_PhysWrite,
380 pdmRCDevHlp_A20IsEnabled,
381 pdmRCDevHlp_VMState,
382 pdmRCDevHlp_VMSetError,
383 pdmRCDevHlp_VMSetErrorV,
384 pdmRCDevHlp_VMSetRuntimeError,
385 pdmRCDevHlp_VMSetRuntimeErrorV,
386 pdmRCDevHlp_PATMSetMMIOPatchInfo,
387 pdmRCDevHlp_GetVM,
388 pdmRCDevHlp_GetVMCPU,
389 pdmRCDevHlp_GetCurrentCpuId,
390 pdmRCDevHlp_TMTimeVirtGet,
391 pdmRCDevHlp_TMTimeVirtGetFreq,
392 pdmRCDevHlp_TMTimeVirtGetNano,
393 pdmRCDevHlp_DBGFTraceBuf,
394 PDM_DEVHLPRC_VERSION
395};
396
397/** @} */
398
399
400
401
402/** @name PIC RC Helpers
403 * @{
404 */
405
406/** @interface_method_impl{PDMPICHLPGC,pfnSetInterruptFF} */
407static DECLCALLBACK(void) pdmRCPicHlp_SetInterruptFF(PPDMDEVINS pDevIns)
408{
409 PDMDEV_ASSERT_DEVINS(pDevIns);
410 PVM pVM = pDevIns->Internal.s.pVMRC;
411
412 if (pVM->pdm.s.Apic.pfnLocalInterruptRC)
413 {
414 LogFlow(("pdmRCPicHlp_SetInterruptFF: caller='%p'/%d: Setting local interrupt on LAPIC\n",
415 pDevIns, pDevIns->iInstance));
416 /* Raise the LAPIC's LINT0 line instead of signaling the CPU directly. */
417 pVM->pdm.s.Apic.pfnLocalInterruptRC(pVM->pdm.s.Apic.pDevInsRC, 0, 1);
418 return;
419 }
420
421 PVMCPU pVCpu = &pVM->aCpus[0]; /* for PIC we always deliver to CPU 0, MP use APIC */
422
423 LogFlow(("pdmRCPicHlp_SetInterruptFF: caller=%p/%d: VMMCPU_FF_INTERRUPT_PIC %d -> 1\n",
424 pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC)));
425
426 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC);
427}
428
429
430/** @interface_method_impl{PDMPICHLPGC,pfnClearInterruptFF} */
431static DECLCALLBACK(void) pdmRCPicHlp_ClearInterruptFF(PPDMDEVINS pDevIns)
432{
433 PDMDEV_ASSERT_DEVINS(pDevIns);
434 PVM pVM = pDevIns->Internal.s.CTX_SUFF(pVM);
435
436 if (pVM->pdm.s.Apic.pfnLocalInterruptRC)
437 {
438 /* Raise the LAPIC's LINT0 line instead of signaling the CPU directly. */
439 LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller='%s'/%d: Clearing local interrupt on LAPIC\n",
440 pDevIns, pDevIns->iInstance));
441 /* Lower the LAPIC's LINT0 line instead of signaling the CPU directly. */
442 pVM->pdm.s.Apic.pfnLocalInterruptRC(pVM->pdm.s.Apic.pDevInsRC, 0, 0);
443 return;
444 }
445
446 PVMCPU pVCpu = &pVM->aCpus[0]; /* for PIC we always deliver to CPU 0, MP use APIC */
447
448 LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller=%p/%d: VMCPU_FF_INTERRUPT_PIC %d -> 0\n",
449 pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC)));
450
451 VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_PIC);
452}
453
454
455/** @interface_method_impl{PDMPICHLPGC,pfnLock} */
456static DECLCALLBACK(int) pdmRCPicHlp_Lock(PPDMDEVINS pDevIns, int rc)
457{
458 PDMDEV_ASSERT_DEVINS(pDevIns);
459 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
460}
461
462
463/** @interface_method_impl{PDMPICHLPGC,pfnUnlock} */
464static DECLCALLBACK(void) pdmRCPicHlp_Unlock(PPDMDEVINS pDevIns)
465{
466 PDMDEV_ASSERT_DEVINS(pDevIns);
467 pdmUnlock(pDevIns->Internal.s.pVMRC);
468}
469
470
471/**
472 * The Raw-Mode Context PIC Helper Callbacks.
473 */
474extern DECLEXPORT(const PDMPICHLPRC) g_pdmRCPicHlp =
475{
476 PDM_PICHLPRC_VERSION,
477 pdmRCPicHlp_SetInterruptFF,
478 pdmRCPicHlp_ClearInterruptFF,
479 pdmRCPicHlp_Lock,
480 pdmRCPicHlp_Unlock,
481 PDM_PICHLPRC_VERSION
482};
483
484/** @} */
485
486
487
488
489/** @name APIC RC Helpers
490 * @{
491 */
492
493/** @interface_method_impl{PDMAPICHLPRC,pfnSetInterruptFF} */
494static DECLCALLBACK(void) pdmRCApicHlp_SetInterruptFF(PPDMDEVINS pDevIns, PDMAPICIRQ enmType, VMCPUID idCpu)
495{
496 PDMDEV_ASSERT_DEVINS(pDevIns);
497 PVM pVM = pDevIns->Internal.s.pVMRC;
498 PVMCPU pVCpu = &pVM->aCpus[idCpu];
499
500 AssertReturnVoid(idCpu < pVM->cCpus);
501
502 LogFlow(("pdmRCApicHlp_SetInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 1\n",
503 pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC)));
504 switch (enmType)
505 {
506 case PDMAPICIRQ_HARDWARE:
507 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC);
508 break;
509 case PDMAPICIRQ_NMI:
510 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_NMI);
511 break;
512 case PDMAPICIRQ_SMI:
513 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_SMI);
514 break;
515 case PDMAPICIRQ_EXTINT:
516 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC);
517 break;
518 default:
519 AssertMsgFailed(("enmType=%d\n", enmType));
520 break;
521 }
522}
523
524
525/** @interface_method_impl{PDMAPICHLPRC,pfnClearInterruptFF} */
526static DECLCALLBACK(void) pdmRCApicHlp_ClearInterruptFF(PPDMDEVINS pDevIns, PDMAPICIRQ enmType, VMCPUID idCpu)
527{
528 PDMDEV_ASSERT_DEVINS(pDevIns);
529 PVM pVM = pDevIns->Internal.s.pVMRC;
530 PVMCPU pVCpu = &pVM->aCpus[idCpu];
531
532 AssertReturnVoid(idCpu < pVM->cCpus);
533
534 LogFlow(("pdmRCApicHlp_ClearInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 0\n",
535 pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC)));
536
537 /* Note: NMI/SMI can't be cleared. */
538 switch (enmType)
539 {
540 case PDMAPICIRQ_HARDWARE:
541 VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_APIC);
542 break;
543 case PDMAPICIRQ_EXTINT:
544 VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_PIC);
545 break;
546 default:
547 AssertMsgFailed(("enmType=%d\n", enmType));
548 break;
549 }
550}
551
552
553/** @interface_method_impl{PDMAPICHLPRC,pfnCalcIrqTag} */
554static DECLCALLBACK(uint32_t) pdmRCApicHlp_CalcIrqTag(PPDMDEVINS pDevIns, uint8_t u8Level)
555{
556 PDMDEV_ASSERT_DEVINS(pDevIns);
557 PVM pVM = pDevIns->Internal.s.pVMRC;
558
559 pdmLock(pVM);
560
561 uint32_t uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
562 if (u8Level == PDM_IRQ_LEVEL_HIGH)
563 VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
564 else
565 VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
566
567
568 pdmUnlock(pVM);
569 LogFlow(("pdmRCApicHlp_CalcIrqTag: caller=%p/%d: returns %#x (u8Level=%d)\n",
570 pDevIns, pDevIns->iInstance, uTagSrc, u8Level));
571 return uTagSrc;
572}
573
574
575/** @interface_method_impl{PDMAPICHLPRC,pfnChangeFeature} */
576static DECLCALLBACK(void) pdmRCApicHlp_ChangeFeature(PPDMDEVINS pDevIns, PDMAPICVERSION enmVersion)
577{
578 PDMDEV_ASSERT_DEVINS(pDevIns);
579 LogFlow(("pdmRCApicHlp_ChangeFeature: caller=%p/%d: version=%d\n", pDevIns, pDevIns->iInstance, (int)enmVersion));
580 switch (enmVersion)
581 {
582 case PDMAPICVERSION_NONE:
583 CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC);
584 CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC);
585 break;
586 case PDMAPICVERSION_APIC:
587 CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC);
588 CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC);
589 break;
590 case PDMAPICVERSION_X2APIC:
591 CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC);
592 CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC);
593 break;
594 default:
595 AssertMsgFailed(("Unknown APIC version: %d\n", (int)enmVersion));
596 }
597}
598
599
600/** @interface_method_impl{PDMAPICHLPRC,pfnLock} */
601static DECLCALLBACK(int) pdmRCApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
602{
603 PDMDEV_ASSERT_DEVINS(pDevIns);
604 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
605}
606
607
608/** @interface_method_impl{PDMAPICHLPRC,pfnUnlock} */
609static DECLCALLBACK(void) pdmRCApicHlp_Unlock(PPDMDEVINS pDevIns)
610{
611 PDMDEV_ASSERT_DEVINS(pDevIns);
612 pdmUnlock(pDevIns->Internal.s.pVMRC);
613}
614
615
616/** @interface_method_impl{PDMAPICHLPRC,pfnGetCpuId} */
617static DECLCALLBACK(VMCPUID) pdmRCApicHlp_GetCpuId(PPDMDEVINS pDevIns)
618{
619 PDMDEV_ASSERT_DEVINS(pDevIns);
620 return VMMGetCpuId(pDevIns->Internal.s.pVMRC);
621}
622
623
624/**
625 * The Raw-Mode Context APIC Helper Callbacks.
626 */
627extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp =
628{
629 PDM_APICHLPRC_VERSION,
630 pdmRCApicHlp_SetInterruptFF,
631 pdmRCApicHlp_ClearInterruptFF,
632 pdmRCApicHlp_CalcIrqTag,
633 pdmRCApicHlp_ChangeFeature,
634 pdmRCApicHlp_Lock,
635 pdmRCApicHlp_Unlock,
636 pdmRCApicHlp_GetCpuId,
637 PDM_APICHLPRC_VERSION
638};
639
640/** @} */
641
642
643
644
645/** @name I/O APIC RC Helpers
646 * @{
647 */
648
649/** @interface_method_impl{PDMIOAPICHLPRC,pfnApicBusDeliver} */
650static DECLCALLBACK(int) pdmRCIoApicHlp_ApicBusDeliver(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode,
651 uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode, uint32_t uTagSrc)
652{
653 PDMDEV_ASSERT_DEVINS(pDevIns);
654 PVM pVM = pDevIns->Internal.s.pVMRC;
655 LogFlow(("pdmRCIoApicHlp_ApicBusDeliver: caller=%p/%d: u8Dest=%RX8 u8DestMode=%RX8 u8DeliveryMode=%RX8 iVector=%RX8 u8Polarity=%RX8 u8TriggerMode=%RX8 uTagSrc=%#x\n",
656 pDevIns, pDevIns->iInstance, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode, uTagSrc));
657 Assert(pVM->pdm.s.Apic.pDevInsRC);
658 if (pVM->pdm.s.Apic.pfnBusDeliverRC)
659 return pVM->pdm.s.Apic.pfnBusDeliverRC(pVM->pdm.s.Apic.pDevInsRC, u8Dest, u8DestMode, u8DeliveryMode, iVector,
660 u8Polarity, u8TriggerMode, uTagSrc);
661 return VINF_SUCCESS;
662}
663
664
665/** @interface_method_impl{PDMIOAPICHLPRC,pfnLock} */
666static DECLCALLBACK(int) pdmRCIoApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
667{
668 PDMDEV_ASSERT_DEVINS(pDevIns);
669 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
670}
671
672
673/** @interface_method_impl{PDMIOAPICHLPRC,pfnUnlock} */
674static DECLCALLBACK(void) pdmRCIoApicHlp_Unlock(PPDMDEVINS pDevIns)
675{
676 PDMDEV_ASSERT_DEVINS(pDevIns);
677 pdmUnlock(pDevIns->Internal.s.pVMRC);
678}
679
680
681/**
682 * The Raw-Mode Context I/O APIC Helper Callbacks.
683 */
684extern DECLEXPORT(const PDMIOAPICHLPRC) g_pdmRCIoApicHlp =
685{
686 PDM_IOAPICHLPRC_VERSION,
687 pdmRCIoApicHlp_ApicBusDeliver,
688 pdmRCIoApicHlp_Lock,
689 pdmRCIoApicHlp_Unlock,
690 PDM_IOAPICHLPRC_VERSION
691};
692
693/** @} */
694
695
696
697
698/** @name PCI Bus RC Helpers
699 * @{
700 */
701
702/** @interface_method_impl{PDMPCIHLPRC,pfnIsaSetIrq} */
703static DECLCALLBACK(void) pdmRCPciHlp_IsaSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel, uint32_t uTagSrc)
704{
705 PDMDEV_ASSERT_DEVINS(pDevIns);
706 Log4(("pdmRCPciHlp_IsaSetIrq: iIrq=%d iLevel=%d uTagSrc=%#x\n", iIrq, iLevel, uTagSrc));
707 PVM pVM = pDevIns->Internal.s.pVMRC;
708
709 pdmLock(pVM);
710 pdmRCIsaSetIrq(pDevIns->Internal.s.pVMRC, iIrq, iLevel, uTagSrc);
711 pdmUnlock(pVM);
712}
713
714
715/** @interface_method_impl{PDMPCIHLPRC,pfnIoApicSetIrq} */
716static DECLCALLBACK(void) pdmRCPciHlp_IoApicSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel, uint32_t uTagSrc)
717{
718 PDMDEV_ASSERT_DEVINS(pDevIns);
719 Log4(("pdmRCPciHlp_IoApicSetIrq: iIrq=%d iLevel=%d uTagSrc=%#x\n", iIrq, iLevel, uTagSrc));
720 PVM pVM = pDevIns->Internal.s.pVMRC;
721
722 if (pVM->pdm.s.IoApic.pDevInsRC)
723 {
724 pdmLock(pVM);
725 pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel, uTagSrc);
726 pdmUnlock(pVM);
727 }
728 else if (pVM->pdm.s.IoApic.pDevInsR3)
729 {
730 /* queue for ring-3 execution. */
731 PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
732 if (pTask)
733 {
734 pTask->enmOp = PDMDEVHLPTASKOP_IOAPIC_SET_IRQ;
735 pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */
736 pTask->u.SetIRQ.iIrq = iIrq;
737 pTask->u.SetIRQ.iLevel = iLevel;
738 pTask->u.SetIRQ.uTagSrc = uTagSrc;
739
740 PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
741 }
742 else
743 AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
744 }
745}
746
747
748/** @interface_method_impl{PDMPCIHLPRC,pfnIoApicSendMsi} */
749static DECLCALLBACK(void) pdmRCPciHlp_IoApicSendMsi(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, uint32_t uValue, uint32_t uTagSrc)
750{
751 PDMDEV_ASSERT_DEVINS(pDevIns);
752 Log4(("pdmRCPciHlp_IoApicSendMsi: GCPhys=%p uValue=%d uTagSrc=%#x\n", GCPhys, uValue, uTagSrc));
753 PVM pVM = pDevIns->Internal.s.pVMRC;
754
755 if (pVM->pdm.s.IoApic.pDevInsRC)
756 {
757 pdmLock(pVM);
758 pVM->pdm.s.IoApic.pfnSendMsiRC(pVM->pdm.s.IoApic.pDevInsRC, GCPhys, uValue, uTagSrc);
759 pdmUnlock(pVM);
760 }
761 else
762 {
763 AssertFatalMsgFailed(("Lazy bastarts!"));
764 }
765}
766
767
768/** @interface_method_impl{PDMPCIHLPRC,pfnLock} */
769static DECLCALLBACK(int) pdmRCPciHlp_Lock(PPDMDEVINS pDevIns, int rc)
770{
771 PDMDEV_ASSERT_DEVINS(pDevIns);
772 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
773}
774
775
776/** @interface_method_impl{PDMPCIHLPRC,pfnUnlock} */
777static DECLCALLBACK(void) pdmRCPciHlp_Unlock(PPDMDEVINS pDevIns)
778{
779 PDMDEV_ASSERT_DEVINS(pDevIns);
780 pdmUnlock(pDevIns->Internal.s.pVMRC);
781}
782
783
784/**
785 * The Raw-Mode Context PCI Bus Helper Callbacks.
786 */
787extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp =
788{
789 PDM_PCIHLPRC_VERSION,
790 pdmRCPciHlp_IsaSetIrq,
791 pdmRCPciHlp_IoApicSetIrq,
792 pdmRCPciHlp_IoApicSendMsi,
793 pdmRCPciHlp_Lock,
794 pdmRCPciHlp_Unlock,
795 PDM_PCIHLPRC_VERSION, /* the end */
796};
797
798/** @} */
799
800
801
802
803/** @name HPET RC Helpers
804 * @{
805 */
806
807
808/**
809 * The Raw-Mode Context HPET Helper Callbacks.
810 */
811extern DECLEXPORT(const PDMHPETHLPRC) g_pdmRCHpetHlp =
812{
813 PDM_HPETHLPRC_VERSION,
814 PDM_HPETHLPRC_VERSION, /* the end */
815};
816
817/** @} */
818
819
820
821
822/** @name Raw-Mode Context Driver Helpers
823 * @{
824 */
825
826/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetError} */
827static DECLCALLBACK(int) pdmRCDrvHlp_VMSetError(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
828{
829 PDMDRV_ASSERT_DRVINS(pDrvIns);
830 va_list args;
831 va_start(args, pszFormat);
832 int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2);
833 va_end(args);
834 return rc;
835}
836
837
838/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetErrorV} */
839static DECLCALLBACK(int) pdmRCDrvHlp_VMSetErrorV(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)
840{
841 PDMDRV_ASSERT_DRVINS(pDrvIns);
842 int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
843 return rc;
844}
845
846
847/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetRuntimeError} */
848static DECLCALLBACK(int) pdmRCDrvHlp_VMSetRuntimeError(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...)
849{
850 PDMDRV_ASSERT_DRVINS(pDrvIns);
851 va_list va;
852 va_start(va, pszFormat);
853 int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
854 va_end(va);
855 return rc;
856}
857
858
859/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetErrorV} */
860static DECLCALLBACK(int) pdmRCDrvHlp_VMSetRuntimeErrorV(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va)
861{
862 PDMDRV_ASSERT_DRVINS(pDrvIns);
863 int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
864 return rc;
865}
866
867
868/** @interface_method_impl{PDMDRVHLPRC,pfnAssertEMT} */
869static DECLCALLBACK(bool) pdmRCDrvHlp_AssertEMT(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction)
870{
871 PDMDRV_ASSERT_DRVINS(pDrvIns);
872 if (VM_IS_EMT(pDrvIns->Internal.s.pVMRC))
873 return true;
874
875 RTAssertMsg1Weak("AssertEMT", iLine, pszFile, pszFunction);
876 RTAssertPanic();
877 return false;
878}
879
880
881/** @interface_method_impl{PDMDRVHLPRC,pfnAssertOther} */
882static DECLCALLBACK(bool) pdmRCDrvHlp_AssertOther(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction)
883{
884 PDMDRV_ASSERT_DRVINS(pDrvIns);
885 if (!VM_IS_EMT(pDrvIns->Internal.s.pVMRC))
886 return true;
887
888 /* Note: While we don't have any other threads but EMT(0) in RC, might
889 still have drive code compiled in which it shouldn't execute. */
890 RTAssertMsg1Weak("AssertOther", iLine, pszFile, pszFunction);
891 RTAssertPanic();
892 return false;
893}
894
895
896/** @interface_method_impl{PDMDRVHLPRC,pfnFTSetCheckpoint} */
897static DECLCALLBACK(int) pdmRCDrvHlp_FTSetCheckpoint(PPDMDRVINS pDrvIns, FTMCHECKPOINTTYPE enmType)
898{
899 PDMDRV_ASSERT_DRVINS(pDrvIns);
900 return FTMSetCheckpoint(pDrvIns->Internal.s.pVMRC, enmType);
901}
902
903
904/**
905 * The Raw-Mode Context Driver Helper Callbacks.
906 */
907extern DECLEXPORT(const PDMDRVHLPRC) g_pdmRCDrvHlp =
908{
909 PDM_DRVHLPRC_VERSION,
910 pdmRCDrvHlp_VMSetError,
911 pdmRCDrvHlp_VMSetErrorV,
912 pdmRCDrvHlp_VMSetRuntimeError,
913 pdmRCDrvHlp_VMSetRuntimeErrorV,
914 pdmRCDrvHlp_AssertEMT,
915 pdmRCDrvHlp_AssertOther,
916 pdmRCDrvHlp_FTSetCheckpoint,
917 PDM_DRVHLPRC_VERSION
918};
919
920/** @} */
921
922
923
924
925/**
926 * Sets an irq on the PIC and I/O APIC.
927 *
928 * @returns true if delivered, false if postponed.
929 * @param pVM Pointer to the VM.
930 * @param iIrq The irq.
931 * @param iLevel The new level.
932 * @param uTagSrc The IRQ tag and source.
933 *
934 * @remarks The caller holds the PDM lock.
935 */
936static bool pdmRCIsaSetIrq(PVM pVM, int iIrq, int iLevel, uint32_t uTagSrc)
937{
938 if (RT_LIKELY( ( pVM->pdm.s.IoApic.pDevInsRC
939 || !pVM->pdm.s.IoApic.pDevInsR3)
940 && ( pVM->pdm.s.Pic.pDevInsRC
941 || !pVM->pdm.s.Pic.pDevInsR3)))
942 {
943 if (pVM->pdm.s.Pic.pDevInsRC)
944 pVM->pdm.s.Pic.pfnSetIrqRC(pVM->pdm.s.Pic.pDevInsRC, iIrq, iLevel, uTagSrc);
945 if (pVM->pdm.s.IoApic.pDevInsRC)
946 pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel, uTagSrc);
947 return true;
948 }
949
950 /* queue for ring-3 execution. */
951 PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
952 AssertReturn(pTask, false);
953
954 pTask->enmOp = PDMDEVHLPTASKOP_ISA_SET_IRQ;
955 pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */
956 pTask->u.SetIRQ.iIrq = iIrq;
957 pTask->u.SetIRQ.iLevel = iLevel;
958 pTask->u.SetIRQ.uTagSrc = uTagSrc;
959
960 PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
961 return false;
962}
963
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