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source: vbox/trunk/src/VBox/VMM/VMMRC/PDMRCDevice.cpp@ 49482

Last change on this file since 49482 was 49441, checked in by vboxsync, 11 years ago

PDMAPICHLPR0/RC: Drop pfnChangeFeature.
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1/* $Id: PDMRCDevice.cpp 49441 2013-11-11 21:24:07Z vboxsync $ */
2/** @file
3 * PDM - Pluggable Device and Driver Manager, RC Device parts.
4 */
5
6/*
7 * Copyright (C) 2006-2013 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 int rc = PGMPhysRead(pDevIns->Internal.s.pVMRC, GCPhys, pvBuf, cbRead);
204 AssertRC(rc); /** @todo track down the users for this bugger. */
205
206 Log(("pdmRCDevHlp_PhysRead: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, rc));
207 return rc;
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 int rc = PGMPhysWrite(pDevIns->Internal.s.pVMRC, GCPhys, pvBuf, cbWrite);
219 AssertRC(rc); /** @todo track down the users for this bugger. */
220
221 Log(("pdmRCDevHlp_PhysWrite: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, rc));
222 return rc;
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,pfnTMTimeVirtGet} */
322static DECLCALLBACK(uint64_t) pdmRCDevHlp_TMTimeVirtGet(PPDMDEVINS pDevIns)
323{
324 PDMDEV_ASSERT_DEVINS(pDevIns);
325 LogFlow(("pdmRCDevHlp_TMTimeVirtGet: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
326 return TMVirtualGet(pDevIns->Internal.s.pVMRC);
327}
328
329
330/** @interface_method_impl{PDMDEVHLPRC,pfnTMTimeVirtGetFreq} */
331static DECLCALLBACK(uint64_t) pdmRCDevHlp_TMTimeVirtGetFreq(PPDMDEVINS pDevIns)
332{
333 PDMDEV_ASSERT_DEVINS(pDevIns);
334 LogFlow(("pdmRCDevHlp_TMTimeVirtGetFreq: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
335 return TMVirtualGetFreq(pDevIns->Internal.s.pVMRC);
336}
337
338
339/** @interface_method_impl{PDMDEVHLPRC,pfnTMTimeVirtGetNano} */
340static DECLCALLBACK(uint64_t) pdmRCDevHlp_TMTimeVirtGetNano(PPDMDEVINS pDevIns)
341{
342 PDMDEV_ASSERT_DEVINS(pDevIns);
343 LogFlow(("pdmRCDevHlp_TMTimeVirtGetNano: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
344 return TMVirtualToNano(pDevIns->Internal.s.pVMRC, TMVirtualGet(pDevIns->Internal.s.pVMRC));
345}
346
347
348/** @interface_method_impl{PDMDEVHLPRC,pfnDBGFTraceBuf} */
349static DECLCALLBACK(RTTRACEBUF) pdmRCDevHlp_DBGFTraceBuf(PPDMDEVINS pDevIns)
350{
351 PDMDEV_ASSERT_DEVINS(pDevIns);
352 RTTRACEBUF hTraceBuf = pDevIns->Internal.s.pVMRC->hTraceBufRC;
353 LogFlow(("pdmRCDevHlp_DBGFTraceBuf: caller='%p'/%d: returns %p\n", pDevIns, pDevIns->iInstance, hTraceBuf));
354 return hTraceBuf;
355}
356
357
358/**
359 * The Raw-Mode Context Device Helper Callbacks.
360 */
361extern DECLEXPORT(const PDMDEVHLPRC) g_pdmRCDevHlp =
362{
363 PDM_DEVHLPRC_VERSION,
364 pdmRCDevHlp_PCIPhysRead,
365 pdmRCDevHlp_PCIPhysWrite,
366 pdmRCDevHlp_PCISetIrq,
367 pdmRCDevHlp_ISASetIrq,
368 pdmRCDevHlp_PhysRead,
369 pdmRCDevHlp_PhysWrite,
370 pdmRCDevHlp_A20IsEnabled,
371 pdmRCDevHlp_VMState,
372 pdmRCDevHlp_VMSetError,
373 pdmRCDevHlp_VMSetErrorV,
374 pdmRCDevHlp_VMSetRuntimeError,
375 pdmRCDevHlp_VMSetRuntimeErrorV,
376 pdmRCDevHlp_PATMSetMMIOPatchInfo,
377 pdmRCDevHlp_GetVM,
378 pdmRCDevHlp_GetVMCPU,
379 pdmRCDevHlp_TMTimeVirtGet,
380 pdmRCDevHlp_TMTimeVirtGetFreq,
381 pdmRCDevHlp_TMTimeVirtGetNano,
382 pdmRCDevHlp_DBGFTraceBuf,
383 PDM_DEVHLPRC_VERSION
384};
385
386/** @} */
387
388
389
390
391/** @name PIC RC Helpers
392 * @{
393 */
394
395/** @interface_method_impl{PDMPICHLPGC,pfnSetInterruptFF} */
396static DECLCALLBACK(void) pdmRCPicHlp_SetInterruptFF(PPDMDEVINS pDevIns)
397{
398 PDMDEV_ASSERT_DEVINS(pDevIns);
399 PVM pVM = pDevIns->Internal.s.pVMRC;
400
401 if (pVM->pdm.s.Apic.pfnLocalInterruptRC)
402 {
403 LogFlow(("pdmRCPicHlp_SetInterruptFF: caller='%p'/%d: Setting local interrupt on LAPIC\n",
404 pDevIns, pDevIns->iInstance));
405 /* Raise the LAPIC's LINT0 line instead of signaling the CPU directly. */
406 pVM->pdm.s.Apic.pfnLocalInterruptRC(pVM->pdm.s.Apic.pDevInsRC, 0, 1);
407 return;
408 }
409
410 PVMCPU pVCpu = &pVM->aCpus[0]; /* for PIC we always deliver to CPU 0, MP use APIC */
411
412 LogFlow(("pdmRCPicHlp_SetInterruptFF: caller=%p/%d: VMMCPU_FF_INTERRUPT_PIC %d -> 1\n",
413 pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC)));
414
415 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC);
416}
417
418
419/** @interface_method_impl{PDMPICHLPGC,pfnClearInterruptFF} */
420static DECLCALLBACK(void) pdmRCPicHlp_ClearInterruptFF(PPDMDEVINS pDevIns)
421{
422 PDMDEV_ASSERT_DEVINS(pDevIns);
423 PVM pVM = pDevIns->Internal.s.CTX_SUFF(pVM);
424
425 if (pVM->pdm.s.Apic.pfnLocalInterruptRC)
426 {
427 /* Raise the LAPIC's LINT0 line instead of signaling the CPU directly. */
428 LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller='%s'/%d: Clearing local interrupt on LAPIC\n",
429 pDevIns, pDevIns->iInstance));
430 /* Lower the LAPIC's LINT0 line instead of signaling the CPU directly. */
431 pVM->pdm.s.Apic.pfnLocalInterruptRC(pVM->pdm.s.Apic.pDevInsRC, 0, 0);
432 return;
433 }
434
435 PVMCPU pVCpu = &pVM->aCpus[0]; /* for PIC we always deliver to CPU 0, MP use APIC */
436
437 LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller=%p/%d: VMCPU_FF_INTERRUPT_PIC %d -> 0\n",
438 pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC)));
439
440 VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_PIC);
441}
442
443
444/** @interface_method_impl{PDMPICHLPGC,pfnLock} */
445static DECLCALLBACK(int) pdmRCPicHlp_Lock(PPDMDEVINS pDevIns, int rc)
446{
447 PDMDEV_ASSERT_DEVINS(pDevIns);
448 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
449}
450
451
452/** @interface_method_impl{PDMPICHLPGC,pfnUnlock} */
453static DECLCALLBACK(void) pdmRCPicHlp_Unlock(PPDMDEVINS pDevIns)
454{
455 PDMDEV_ASSERT_DEVINS(pDevIns);
456 pdmUnlock(pDevIns->Internal.s.pVMRC);
457}
458
459
460/**
461 * The Raw-Mode Context PIC Helper Callbacks.
462 */
463extern DECLEXPORT(const PDMPICHLPRC) g_pdmRCPicHlp =
464{
465 PDM_PICHLPRC_VERSION,
466 pdmRCPicHlp_SetInterruptFF,
467 pdmRCPicHlp_ClearInterruptFF,
468 pdmRCPicHlp_Lock,
469 pdmRCPicHlp_Unlock,
470 PDM_PICHLPRC_VERSION
471};
472
473/** @} */
474
475
476
477
478/** @name APIC RC Helpers
479 * @{
480 */
481
482/** @interface_method_impl{PDMAPICHLPRC,pfnSetInterruptFF} */
483static DECLCALLBACK(void) pdmRCApicHlp_SetInterruptFF(PPDMDEVINS pDevIns, PDMAPICIRQ enmType, VMCPUID idCpu)
484{
485 PDMDEV_ASSERT_DEVINS(pDevIns);
486 PVM pVM = pDevIns->Internal.s.pVMRC;
487 PVMCPU pVCpu = &pVM->aCpus[idCpu];
488
489 AssertReturnVoid(idCpu < pVM->cCpus);
490
491 LogFlow(("pdmRCApicHlp_SetInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 1\n",
492 pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC)));
493 switch (enmType)
494 {
495 case PDMAPICIRQ_HARDWARE:
496 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC);
497 break;
498 case PDMAPICIRQ_NMI:
499 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_NMI);
500 break;
501 case PDMAPICIRQ_SMI:
502 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_SMI);
503 break;
504 case PDMAPICIRQ_EXTINT:
505 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC);
506 break;
507 default:
508 AssertMsgFailed(("enmType=%d\n", enmType));
509 break;
510 }
511}
512
513
514/** @interface_method_impl{PDMAPICHLPRC,pfnClearInterruptFF} */
515static DECLCALLBACK(void) pdmRCApicHlp_ClearInterruptFF(PPDMDEVINS pDevIns, PDMAPICIRQ enmType, VMCPUID idCpu)
516{
517 PDMDEV_ASSERT_DEVINS(pDevIns);
518 PVM pVM = pDevIns->Internal.s.pVMRC;
519 PVMCPU pVCpu = &pVM->aCpus[idCpu];
520
521 AssertReturnVoid(idCpu < pVM->cCpus);
522
523 LogFlow(("pdmRCApicHlp_ClearInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 0\n",
524 pDevIns, pDevIns->iInstance, VMCPU_FF_IS_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC)));
525
526 /* Note: NMI/SMI can't be cleared. */
527 switch (enmType)
528 {
529 case PDMAPICIRQ_HARDWARE:
530 VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_APIC);
531 break;
532 case PDMAPICIRQ_EXTINT:
533 VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_PIC);
534 break;
535 default:
536 AssertMsgFailed(("enmType=%d\n", enmType));
537 break;
538 }
539}
540
541
542/** @interface_method_impl{PDMAPICHLPRC,pfnCalcIrqTag} */
543static DECLCALLBACK(uint32_t) pdmRCApicHlp_CalcIrqTag(PPDMDEVINS pDevIns, uint8_t u8Level)
544{
545 PDMDEV_ASSERT_DEVINS(pDevIns);
546 PVM pVM = pDevIns->Internal.s.pVMRC;
547
548 pdmLock(pVM);
549
550 uint32_t uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
551 if (u8Level == PDM_IRQ_LEVEL_HIGH)
552 VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
553 else
554 VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
555
556
557 pdmUnlock(pVM);
558 LogFlow(("pdmRCApicHlp_CalcIrqTag: caller=%p/%d: returns %#x (u8Level=%d)\n",
559 pDevIns, pDevIns->iInstance, uTagSrc, u8Level));
560 return uTagSrc;
561}
562
563
564/** @interface_method_impl{PDMAPICHLPRC,pfnLock} */
565static DECLCALLBACK(int) pdmRCApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
566{
567 PDMDEV_ASSERT_DEVINS(pDevIns);
568 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
569}
570
571
572/** @interface_method_impl{PDMAPICHLPRC,pfnUnlock} */
573static DECLCALLBACK(void) pdmRCApicHlp_Unlock(PPDMDEVINS pDevIns)
574{
575 PDMDEV_ASSERT_DEVINS(pDevIns);
576 pdmUnlock(pDevIns->Internal.s.pVMRC);
577}
578
579
580/** @interface_method_impl{PDMAPICHLPRC,pfnGetCpuId} */
581static DECLCALLBACK(VMCPUID) pdmRCApicHlp_GetCpuId(PPDMDEVINS pDevIns)
582{
583 PDMDEV_ASSERT_DEVINS(pDevIns);
584 return VMMGetCpuId(pDevIns->Internal.s.pVMRC);
585}
586
587
588/**
589 * The Raw-Mode Context APIC Helper Callbacks.
590 */
591extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp =
592{
593 PDM_APICHLPRC_VERSION,
594 pdmRCApicHlp_SetInterruptFF,
595 pdmRCApicHlp_ClearInterruptFF,
596 pdmRCApicHlp_CalcIrqTag,
597 pdmRCApicHlp_Lock,
598 pdmRCApicHlp_Unlock,
599 pdmRCApicHlp_GetCpuId,
600 PDM_APICHLPRC_VERSION
601};
602
603/** @} */
604
605
606
607
608/** @name I/O APIC RC Helpers
609 * @{
610 */
611
612/** @interface_method_impl{PDMIOAPICHLPRC,pfnApicBusDeliver} */
613static DECLCALLBACK(int) pdmRCIoApicHlp_ApicBusDeliver(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode,
614 uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode, uint32_t uTagSrc)
615{
616 PDMDEV_ASSERT_DEVINS(pDevIns);
617 PVM pVM = pDevIns->Internal.s.pVMRC;
618 LogFlow(("pdmRCIoApicHlp_ApicBusDeliver: caller=%p/%d: u8Dest=%RX8 u8DestMode=%RX8 u8DeliveryMode=%RX8 iVector=%RX8 u8Polarity=%RX8 u8TriggerMode=%RX8 uTagSrc=%#x\n",
619 pDevIns, pDevIns->iInstance, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode, uTagSrc));
620 Assert(pVM->pdm.s.Apic.pDevInsRC);
621 if (pVM->pdm.s.Apic.pfnBusDeliverRC)
622 return pVM->pdm.s.Apic.pfnBusDeliverRC(pVM->pdm.s.Apic.pDevInsRC, u8Dest, u8DestMode, u8DeliveryMode, iVector,
623 u8Polarity, u8TriggerMode, uTagSrc);
624 return VINF_SUCCESS;
625}
626
627
628/** @interface_method_impl{PDMIOAPICHLPRC,pfnLock} */
629static DECLCALLBACK(int) pdmRCIoApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
630{
631 PDMDEV_ASSERT_DEVINS(pDevIns);
632 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
633}
634
635
636/** @interface_method_impl{PDMIOAPICHLPRC,pfnUnlock} */
637static DECLCALLBACK(void) pdmRCIoApicHlp_Unlock(PPDMDEVINS pDevIns)
638{
639 PDMDEV_ASSERT_DEVINS(pDevIns);
640 pdmUnlock(pDevIns->Internal.s.pVMRC);
641}
642
643
644/**
645 * The Raw-Mode Context I/O APIC Helper Callbacks.
646 */
647extern DECLEXPORT(const PDMIOAPICHLPRC) g_pdmRCIoApicHlp =
648{
649 PDM_IOAPICHLPRC_VERSION,
650 pdmRCIoApicHlp_ApicBusDeliver,
651 pdmRCIoApicHlp_Lock,
652 pdmRCIoApicHlp_Unlock,
653 PDM_IOAPICHLPRC_VERSION
654};
655
656/** @} */
657
658
659
660
661/** @name PCI Bus RC Helpers
662 * @{
663 */
664
665/** @interface_method_impl{PDMPCIHLPRC,pfnIsaSetIrq} */
666static DECLCALLBACK(void) pdmRCPciHlp_IsaSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel, uint32_t uTagSrc)
667{
668 PDMDEV_ASSERT_DEVINS(pDevIns);
669 Log4(("pdmRCPciHlp_IsaSetIrq: iIrq=%d iLevel=%d uTagSrc=%#x\n", iIrq, iLevel, uTagSrc));
670 PVM pVM = pDevIns->Internal.s.pVMRC;
671
672 pdmLock(pVM);
673 pdmRCIsaSetIrq(pDevIns->Internal.s.pVMRC, iIrq, iLevel, uTagSrc);
674 pdmUnlock(pVM);
675}
676
677
678/** @interface_method_impl{PDMPCIHLPRC,pfnIoApicSetIrq} */
679static DECLCALLBACK(void) pdmRCPciHlp_IoApicSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel, uint32_t uTagSrc)
680{
681 PDMDEV_ASSERT_DEVINS(pDevIns);
682 Log4(("pdmRCPciHlp_IoApicSetIrq: iIrq=%d iLevel=%d uTagSrc=%#x\n", iIrq, iLevel, uTagSrc));
683 PVM pVM = pDevIns->Internal.s.pVMRC;
684
685 if (pVM->pdm.s.IoApic.pDevInsRC)
686 {
687 pdmLock(pVM);
688 pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel, uTagSrc);
689 pdmUnlock(pVM);
690 }
691 else if (pVM->pdm.s.IoApic.pDevInsR3)
692 {
693 /* queue for ring-3 execution. */
694 PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
695 if (pTask)
696 {
697 pTask->enmOp = PDMDEVHLPTASKOP_IOAPIC_SET_IRQ;
698 pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */
699 pTask->u.SetIRQ.iIrq = iIrq;
700 pTask->u.SetIRQ.iLevel = iLevel;
701 pTask->u.SetIRQ.uTagSrc = uTagSrc;
702
703 PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
704 }
705 else
706 AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
707 }
708}
709
710
711/** @interface_method_impl{PDMPCIHLPRC,pfnIoApicSendMsi} */
712static DECLCALLBACK(void) pdmRCPciHlp_IoApicSendMsi(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, uint32_t uValue, uint32_t uTagSrc)
713{
714 PDMDEV_ASSERT_DEVINS(pDevIns);
715 Log4(("pdmRCPciHlp_IoApicSendMsi: GCPhys=%p uValue=%d uTagSrc=%#x\n", GCPhys, uValue, uTagSrc));
716 PVM pVM = pDevIns->Internal.s.pVMRC;
717
718 if (pVM->pdm.s.IoApic.pDevInsRC)
719 {
720 pdmLock(pVM);
721 pVM->pdm.s.IoApic.pfnSendMsiRC(pVM->pdm.s.IoApic.pDevInsRC, GCPhys, uValue, uTagSrc);
722 pdmUnlock(pVM);
723 }
724 else
725 {
726 AssertFatalMsgFailed(("Lazy bastarts!"));
727 }
728}
729
730
731/** @interface_method_impl{PDMPCIHLPRC,pfnLock} */
732static DECLCALLBACK(int) pdmRCPciHlp_Lock(PPDMDEVINS pDevIns, int rc)
733{
734 PDMDEV_ASSERT_DEVINS(pDevIns);
735 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
736}
737
738
739/** @interface_method_impl{PDMPCIHLPRC,pfnUnlock} */
740static DECLCALLBACK(void) pdmRCPciHlp_Unlock(PPDMDEVINS pDevIns)
741{
742 PDMDEV_ASSERT_DEVINS(pDevIns);
743 pdmUnlock(pDevIns->Internal.s.pVMRC);
744}
745
746
747/**
748 * The Raw-Mode Context PCI Bus Helper Callbacks.
749 */
750extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp =
751{
752 PDM_PCIHLPRC_VERSION,
753 pdmRCPciHlp_IsaSetIrq,
754 pdmRCPciHlp_IoApicSetIrq,
755 pdmRCPciHlp_IoApicSendMsi,
756 pdmRCPciHlp_Lock,
757 pdmRCPciHlp_Unlock,
758 PDM_PCIHLPRC_VERSION, /* the end */
759};
760
761/** @} */
762
763
764
765
766/** @name HPET RC Helpers
767 * @{
768 */
769
770
771/**
772 * The Raw-Mode Context HPET Helper Callbacks.
773 */
774extern DECLEXPORT(const PDMHPETHLPRC) g_pdmRCHpetHlp =
775{
776 PDM_HPETHLPRC_VERSION,
777 PDM_HPETHLPRC_VERSION, /* the end */
778};
779
780/** @} */
781
782
783
784
785/** @name Raw-Mode Context Driver Helpers
786 * @{
787 */
788
789/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetError} */
790static DECLCALLBACK(int) pdmRCDrvHlp_VMSetError(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
791{
792 PDMDRV_ASSERT_DRVINS(pDrvIns);
793 va_list args;
794 va_start(args, pszFormat);
795 int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2);
796 va_end(args);
797 return rc;
798}
799
800
801/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetErrorV} */
802static DECLCALLBACK(int) pdmRCDrvHlp_VMSetErrorV(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)
803{
804 PDMDRV_ASSERT_DRVINS(pDrvIns);
805 int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
806 return rc;
807}
808
809
810/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetRuntimeError} */
811static DECLCALLBACK(int) pdmRCDrvHlp_VMSetRuntimeError(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...)
812{
813 PDMDRV_ASSERT_DRVINS(pDrvIns);
814 va_list va;
815 va_start(va, pszFormat);
816 int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
817 va_end(va);
818 return rc;
819}
820
821
822/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetErrorV} */
823static DECLCALLBACK(int) pdmRCDrvHlp_VMSetRuntimeErrorV(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va)
824{
825 PDMDRV_ASSERT_DRVINS(pDrvIns);
826 int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
827 return rc;
828}
829
830
831/** @interface_method_impl{PDMDRVHLPRC,pfnAssertEMT} */
832static DECLCALLBACK(bool) pdmRCDrvHlp_AssertEMT(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction)
833{
834 PDMDRV_ASSERT_DRVINS(pDrvIns);
835 if (VM_IS_EMT(pDrvIns->Internal.s.pVMRC))
836 return true;
837
838 RTAssertMsg1Weak("AssertEMT", iLine, pszFile, pszFunction);
839 RTAssertPanic();
840 return false;
841}
842
843
844/** @interface_method_impl{PDMDRVHLPRC,pfnAssertOther} */
845static DECLCALLBACK(bool) pdmRCDrvHlp_AssertOther(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction)
846{
847 PDMDRV_ASSERT_DRVINS(pDrvIns);
848 if (!VM_IS_EMT(pDrvIns->Internal.s.pVMRC))
849 return true;
850
851 /* Note: While we don't have any other threads but EMT(0) in RC, might
852 still have drive code compiled in which it shouldn't execute. */
853 RTAssertMsg1Weak("AssertOther", iLine, pszFile, pszFunction);
854 RTAssertPanic();
855 return false;
856}
857
858
859/** @interface_method_impl{PDMDRVHLPRC,pfnFTSetCheckpoint} */
860static DECLCALLBACK(int) pdmRCDrvHlp_FTSetCheckpoint(PPDMDRVINS pDrvIns, FTMCHECKPOINTTYPE enmType)
861{
862 PDMDRV_ASSERT_DRVINS(pDrvIns);
863 return FTMSetCheckpoint(pDrvIns->Internal.s.pVMRC, enmType);
864}
865
866
867/**
868 * The Raw-Mode Context Driver Helper Callbacks.
869 */
870extern DECLEXPORT(const PDMDRVHLPRC) g_pdmRCDrvHlp =
871{
872 PDM_DRVHLPRC_VERSION,
873 pdmRCDrvHlp_VMSetError,
874 pdmRCDrvHlp_VMSetErrorV,
875 pdmRCDrvHlp_VMSetRuntimeError,
876 pdmRCDrvHlp_VMSetRuntimeErrorV,
877 pdmRCDrvHlp_AssertEMT,
878 pdmRCDrvHlp_AssertOther,
879 pdmRCDrvHlp_FTSetCheckpoint,
880 PDM_DRVHLPRC_VERSION
881};
882
883/** @} */
884
885
886
887
888/**
889 * Sets an irq on the PIC and I/O APIC.
890 *
891 * @returns true if delivered, false if postponed.
892 * @param pVM Pointer to the VM.
893 * @param iIrq The irq.
894 * @param iLevel The new level.
895 * @param uTagSrc The IRQ tag and source.
896 *
897 * @remarks The caller holds the PDM lock.
898 */
899static bool pdmRCIsaSetIrq(PVM pVM, int iIrq, int iLevel, uint32_t uTagSrc)
900{
901 if (RT_LIKELY( ( pVM->pdm.s.IoApic.pDevInsRC
902 || !pVM->pdm.s.IoApic.pDevInsR3)
903 && ( pVM->pdm.s.Pic.pDevInsRC
904 || !pVM->pdm.s.Pic.pDevInsR3)))
905 {
906 if (pVM->pdm.s.Pic.pDevInsRC)
907 pVM->pdm.s.Pic.pfnSetIrqRC(pVM->pdm.s.Pic.pDevInsRC, iIrq, iLevel, uTagSrc);
908 if (pVM->pdm.s.IoApic.pDevInsRC)
909 pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel, uTagSrc);
910 return true;
911 }
912
913 /* queue for ring-3 execution. */
914 PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
915 AssertReturn(pTask, false);
916
917 pTask->enmOp = PDMDEVHLPTASKOP_ISA_SET_IRQ;
918 pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */
919 pTask->u.SetIRQ.iIrq = iIrq;
920 pTask->u.SetIRQ.iLevel = iLevel;
921 pTask->u.SetIRQ.uTagSrc = uTagSrc;
922
923 PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
924 return false;
925}
926
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