VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMGC/PDMGCDevice.cpp@ 26753

Last change on this file since 26753 was 26376, checked in by vboxsync, 15 years ago

HPET: reworking locking per Knut suggestions
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File size: 23.8 KB
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1/* $Id: PDMGCDevice.cpp 26376 2010-02-09 14:25:28Z vboxsync $ */
2/** @file
3 * PDM - Pluggable Device and Driver Manager, RC Device parts.
4 */
5
6/*
7 * Copyright (C) 2006-2010 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22
23/*******************************************************************************
24* Header Files *
25*******************************************************************************/
26#define LOG_GROUP LOG_GROUP_PDM_DEVICE
27#include "PDMInternal.h"
28#include <VBox/pdm.h>
29#include <VBox/pgm.h>
30#include <VBox/mm.h>
31#include <VBox/vm.h>
32#include <VBox/vmm.h>
33#include <VBox/patm.h>
34
35#include <VBox/log.h>
36#include <VBox/err.h>
37#include <iprt/asm.h>
38#include <iprt/assert.h>
39#include <iprt/string.h>
40
41
42/*******************************************************************************
43* Global Variables *
44*******************************************************************************/
45RT_C_DECLS_BEGIN
46extern DECLEXPORT(const PDMDEVHLPRC) g_pdmRCDevHlp;
47extern DECLEXPORT(const PDMPICHLPRC) g_pdmRCPicHlp;
48extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp;
49extern DECLEXPORT(const PDMIOAPICHLPRC) g_pdmRCIoApicHlp;
50extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp;
51extern DECLEXPORT(const PDMHPETHLPRC) g_pdmRCHpetHlp;
52extern DECLEXPORT(const PDMDRVHLPRC) g_pdmRCDrvHlp;
53RT_C_DECLS_END
54
55
56/*******************************************************************************
57* Internal Functions *
58*******************************************************************************/
59static void pdmRCIsaSetIrq(PVM pVM, int iIrq, int iLevel);
60static void pdmRCIoApicSetIrq(PVM pVM, int iIrq, int iLevel);
61
62
63
64
65/** @name Raw-Mode Context Device Helpers
66 * @{
67 */
68
69/** @interface_method_impl{PDMDEVHLPRC,pfnPCISetIrq} */
70static DECLCALLBACK(void) pdmRCDevHlp_PCISetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
71{
72 PDMDEV_ASSERT_DEVINS(pDevIns);
73 LogFlow(("pdmRCDevHlp_PCISetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
74
75 PVM pVM = pDevIns->Internal.s.pVMRC;
76 PPCIDEVICE pPciDev = pDevIns->Internal.s.pPciDeviceRC;
77 PPDMPCIBUS pPciBus = pDevIns->Internal.s.pPciBusRC;
78 if ( pPciDev
79 && pPciBus
80 && pPciBus->pDevInsRC)
81 {
82 pdmLock(pVM);
83 pPciBus->pfnSetIrqRC(pPciBus->pDevInsRC, pPciDev, iIrq, iLevel);
84 pdmUnlock(pVM);
85 }
86 else
87 {
88 /* queue for ring-3 execution. */
89 PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
90 if (pTask)
91 {
92 pTask->enmOp = PDMDEVHLPTASKOP_PCI_SET_IRQ;
93 pTask->pDevInsR3 = PDMDEVINS_2_R3PTR(pDevIns);
94 pTask->u.SetIRQ.iIrq = iIrq;
95 pTask->u.SetIRQ.iLevel = iLevel;
96
97 PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
98 }
99 else
100 AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
101 }
102
103 LogFlow(("pdmRCDevHlp_PCISetIrq: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance));
104}
105
106
107/** @interface_method_impl{PDMDRVHLPRC,pfnPCISetIrq} */
108static DECLCALLBACK(void) pdmRCDevHlp_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
109{
110 PDMDEV_ASSERT_DEVINS(pDevIns);
111 LogFlow(("pdmRCDevHlp_ISASetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
112
113 pdmRCIsaSetIrq(pDevIns->Internal.s.pVMRC, iIrq, iLevel);
114
115 LogFlow(("pdmRCDevHlp_ISASetIrq: caller=%p/%d: returns void\n", pDevIns, pDevIns->iInstance));
116}
117
118
119/** @interface_method_impl{PDMDEVHLPRC,pfnPhysRead} */
120static DECLCALLBACK(int) pdmRCDevHlp_PhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead)
121{
122 PDMDEV_ASSERT_DEVINS(pDevIns);
123 LogFlow(("pdmRCDevHlp_PhysRead: caller=%p/%d: GCPhys=%RGp pvBuf=%p cbRead=%#x\n",
124 pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbRead));
125
126 int rc = PGMPhysRead(pDevIns->Internal.s.pVMRC, GCPhys, pvBuf, cbRead);
127 AssertRC(rc); /** @todo track down the users for this bugger. */
128
129 Log(("pdmRCDevHlp_PhysRead: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, rc));
130 return rc;
131}
132
133
134/** @interface_method_impl{PDMDEVHLPRC,pfnPhysWrite} */
135static DECLCALLBACK(int) pdmRCDevHlp_PhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite)
136{
137 PDMDEV_ASSERT_DEVINS(pDevIns);
138 LogFlow(("pdmRCDevHlp_PhysWrite: caller=%p/%d: GCPhys=%RGp pvBuf=%p cbWrite=%#x\n",
139 pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbWrite));
140
141 int rc = PGMPhysWrite(pDevIns->Internal.s.pVMRC, GCPhys, pvBuf, cbWrite);
142 AssertRC(rc); /** @todo track down the users for this bugger. */
143
144 Log(("pdmRCDevHlp_PhysWrite: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, rc));
145 return rc;
146}
147
148
149/** @interface_method_impl{PDMDEVHLPRC,pfnA20IsEnabled} */
150static DECLCALLBACK(bool) pdmRCDevHlp_A20IsEnabled(PPDMDEVINS pDevIns)
151{
152 PDMDEV_ASSERT_DEVINS(pDevIns);
153 LogFlow(("pdmRCDevHlp_A20IsEnabled: caller=%p/%d:\n", pDevIns, pDevIns->iInstance));
154
155 bool fEnabled = PGMPhysIsA20Enabled(VMMGetCpu0(pDevIns->Internal.s.pVMRC));
156
157 Log(("pdmRCDevHlp_A20IsEnabled: caller=%p/%d: returns %RTbool\n", pDevIns, pDevIns->iInstance, fEnabled));
158 return fEnabled;
159}
160
161
162/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetError} */
163static DECLCALLBACK(int) pdmRCDevHlp_VMSetError(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
164{
165 PDMDEV_ASSERT_DEVINS(pDevIns);
166 va_list args;
167 va_start(args, pszFormat);
168 int rc2 = VMSetErrorV(pDevIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2);
169 va_end(args);
170 return rc;
171}
172
173
174/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetErrorV} */
175static DECLCALLBACK(int) pdmRCDevHlp_VMSetErrorV(PPDMDEVINS pDevIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)
176{
177 PDMDEV_ASSERT_DEVINS(pDevIns);
178 int rc2 = VMSetErrorV(pDevIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
179 return rc;
180}
181
182
183/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetRuntimeError} */
184static DECLCALLBACK(int) pdmRCDevHlp_VMSetRuntimeError(PPDMDEVINS pDevIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...)
185{
186 PDMDEV_ASSERT_DEVINS(pDevIns);
187 va_list va;
188 va_start(va, pszFormat);
189 int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
190 va_end(va);
191 return rc;
192}
193
194
195/** @interface_method_impl{PDMDEVHLPRC,pfnVMSetErrorV} */
196static DECLCALLBACK(int) pdmRCDevHlp_VMSetRuntimeErrorV(PPDMDEVINS pDevIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va)
197{
198 PDMDEV_ASSERT_DEVINS(pDevIns);
199 int rc = VMSetRuntimeErrorV(pDevIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
200 return rc;
201}
202
203
204/** @interface_method_impl{PDMDEVHLPRC,pfnPATMSetMMIOPatchInfo} */
205static DECLCALLBACK(int) pdmRCDevHlp_PATMSetMMIOPatchInfo(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, RTGCPTR pCachedData)
206{
207 PDMDEV_ASSERT_DEVINS(pDevIns);
208 LogFlow(("pdmRCDevHlp_PATMSetMMIOPatchInfo: caller=%p/%d:\n", pDevIns, pDevIns->iInstance));
209
210 return PATMSetMMIOPatchInfo(pDevIns->Internal.s.pVMRC, GCPhys, (RTRCPTR)(uintptr_t)pCachedData);
211}
212
213
214/** @interface_method_impl{PDMDEVHLPRC,pfnGetVM} */
215static DECLCALLBACK(PVM) pdmRCDevHlp_GetVM(PPDMDEVINS pDevIns)
216{
217 PDMDEV_ASSERT_DEVINS(pDevIns);
218 LogFlow(("pdmRCDevHlp_GetVM: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
219 return pDevIns->Internal.s.pVMRC;
220}
221
222
223/** @interface_method_impl{PDMDEVHLPRC,pfnGetVMCPU} */
224static DECLCALLBACK(PVMCPU) pdmRCDevHlp_GetVMCPU(PPDMDEVINS pDevIns)
225{
226 PDMDEV_ASSERT_DEVINS(pDevIns);
227 LogFlow(("pdmRCDevHlp_GetVMCPU: caller='%p'/%d\n", pDevIns, pDevIns->iInstance));
228 return VMMGetCpu(pDevIns->Internal.s.pVMRC);
229}
230
231
232/**
233 * The Raw-Mode Context Device Helper Callbacks.
234 */
235extern DECLEXPORT(const PDMDEVHLPRC) g_pdmRCDevHlp =
236{
237 PDM_DEVHLPRC_VERSION,
238 pdmRCDevHlp_PCISetIrq,
239 pdmRCDevHlp_ISASetIrq,
240 pdmRCDevHlp_PhysRead,
241 pdmRCDevHlp_PhysWrite,
242 pdmRCDevHlp_A20IsEnabled,
243 pdmRCDevHlp_VMSetError,
244 pdmRCDevHlp_VMSetErrorV,
245 pdmRCDevHlp_VMSetRuntimeError,
246 pdmRCDevHlp_VMSetRuntimeErrorV,
247 pdmRCDevHlp_PATMSetMMIOPatchInfo,
248 pdmRCDevHlp_GetVM,
249 pdmRCDevHlp_GetVMCPU,
250 PDM_DEVHLPRC_VERSION
251};
252
253/** @} */
254
255
256
257
258/** @name PIC RC Helpers
259 * @{
260 */
261
262/** @interface_method_impl{PDMPICHLPGC,pfnSetInterruptFF} */
263static DECLCALLBACK(void) pdmRCPicHlp_SetInterruptFF(PPDMDEVINS pDevIns)
264{
265 PDMDEV_ASSERT_DEVINS(pDevIns);
266 PVM pVM = pDevIns->Internal.s.pVMRC;
267
268 if (pVM->pdm.s.Apic.pfnLocalInterruptRC)
269 {
270 LogFlow(("pdmRCPicHlp_SetInterruptFF: caller='%p'/%d: Setting local interrupt on LAPIC\n",
271 pDevIns, pDevIns->iInstance));
272 /* Raise the LAPIC's LINT0 line instead of signaling the CPU directly. */
273 pVM->pdm.s.Apic.pfnLocalInterruptRC(pVM->pdm.s.Apic.pDevInsRC, 0, 1);
274 return;
275 }
276
277 PVMCPU pVCpu = &pVM->aCpus[0]; /* for PIC we always deliver to CPU 0, MP use APIC */
278
279 LogFlow(("pdmRCPicHlp_SetInterruptFF: caller=%p/%d: VMMCPU_FF_INTERRUPT_PIC %d -> 1\n",
280 pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pVCpu, VMCPU_FF_INTERRUPT_PIC)));
281
282 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC);
283}
284
285
286/** @interface_method_impl{PDMPICHLPGC,pfnClearInterruptFF} */
287static DECLCALLBACK(void) pdmRCPicHlp_ClearInterruptFF(PPDMDEVINS pDevIns)
288{
289 PDMDEV_ASSERT_DEVINS(pDevIns);
290 PVM pVM = pDevIns->Internal.s.CTX_SUFF(pVM);
291
292 if (pVM->pdm.s.Apic.pfnLocalInterruptRC)
293 {
294 /* Raise the LAPIC's LINT0 line instead of signaling the CPU directly. */
295 LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller='%s'/%d: Clearing local interrupt on LAPIC\n",
296 pDevIns, pDevIns->iInstance));
297 /* Lower the LAPIC's LINT0 line instead of signaling the CPU directly. */
298 pVM->pdm.s.Apic.pfnLocalInterruptRC(pVM->pdm.s.Apic.pDevInsRC, 0, 0);
299 return;
300 }
301
302 PVMCPU pVCpu = &pVM->aCpus[0]; /* for PIC we always deliver to CPU 0, MP use APIC */
303
304 LogFlow(("pdmRCPicHlp_ClearInterruptFF: caller=%p/%d: VMCPU_FF_INTERRUPT_PIC %d -> 0\n",
305 pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pVCpu, VMCPU_FF_INTERRUPT_PIC)));
306
307 VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_PIC);
308}
309
310
311/** @interface_method_impl{PDMPICHLPGC,pfnLock} */
312static DECLCALLBACK(int) pdmRCPicHlp_Lock(PPDMDEVINS pDevIns, int rc)
313{
314 PDMDEV_ASSERT_DEVINS(pDevIns);
315 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
316}
317
318
319/** @interface_method_impl{PDMPICHLPGC,pfnUnlock} */
320static DECLCALLBACK(void) pdmRCPicHlp_Unlock(PPDMDEVINS pDevIns)
321{
322 PDMDEV_ASSERT_DEVINS(pDevIns);
323 pdmUnlock(pDevIns->Internal.s.pVMRC);
324}
325
326
327/**
328 * The Raw-Mode Context PIC Helper Callbacks.
329 */
330extern DECLEXPORT(const PDMPICHLPRC) g_pdmRCPicHlp =
331{
332 PDM_PICHLPRC_VERSION,
333 pdmRCPicHlp_SetInterruptFF,
334 pdmRCPicHlp_ClearInterruptFF,
335 pdmRCPicHlp_Lock,
336 pdmRCPicHlp_Unlock,
337 PDM_PICHLPRC_VERSION
338};
339
340/** @} */
341
342
343
344
345/** @name APIC RC Helpers
346 * @{
347 */
348
349/** @interface_method_impl{PDMAPICHLPRC,pfnSetInterruptFF} */
350static DECLCALLBACK(void) pdmRCApicHlp_SetInterruptFF(PPDMDEVINS pDevIns, PDMAPICIRQ enmType, VMCPUID idCpu)
351{
352 PDMDEV_ASSERT_DEVINS(pDevIns);
353 PVM pVM = pDevIns->Internal.s.pVMRC;
354 PVMCPU pVCpu = &pVM->aCpus[idCpu];
355
356 AssertReturnVoid(idCpu < pVM->cCpus);
357
358 LogFlow(("pdmRCApicHlp_SetInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 1\n",
359 pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pVCpu, VMCPU_FF_INTERRUPT_APIC)));
360 switch (enmType)
361 {
362 case PDMAPICIRQ_HARDWARE:
363 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_APIC);
364 break;
365 case PDMAPICIRQ_NMI:
366 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_NMI);
367 break;
368 case PDMAPICIRQ_SMI:
369 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_SMI);
370 break;
371 case PDMAPICIRQ_EXTINT:
372 VMCPU_FF_SET(pVCpu, VMCPU_FF_INTERRUPT_PIC);
373 break;
374 default:
375 AssertMsgFailed(("enmType=%d\n", enmType));
376 break;
377 }
378}
379
380
381/** @interface_method_impl{PDMAPICHLPRC,pfnClearInterruptFF} */
382static DECLCALLBACK(void) pdmRCApicHlp_ClearInterruptFF(PPDMDEVINS pDevIns, PDMAPICIRQ enmType, VMCPUID idCpu)
383{
384 PDMDEV_ASSERT_DEVINS(pDevIns);
385 PVM pVM = pDevIns->Internal.s.pVMRC;
386 PVMCPU pVCpu = &pVM->aCpus[idCpu];
387
388 AssertReturnVoid(idCpu < pVM->cCpus);
389
390 LogFlow(("pdmRCApicHlp_ClearInterruptFF: caller=%p/%d: VM_FF_INTERRUPT %d -> 0\n",
391 pDevIns, pDevIns->iInstance, VMCPU_FF_ISSET(pVCpu, VMCPU_FF_INTERRUPT_APIC)));
392
393 /* Note: NMI/SMI can't be cleared. */
394 switch (enmType)
395 {
396 case PDMAPICIRQ_HARDWARE:
397 VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_APIC);
398 break;
399 case PDMAPICIRQ_EXTINT:
400 VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_INTERRUPT_PIC);
401 break;
402 default:
403 AssertMsgFailed(("enmType=%d\n", enmType));
404 break;
405 }
406}
407
408
409/** @interface_method_impl{PDMAPICHLPRC,pfnChangeFeature} */
410static DECLCALLBACK(void) pdmRCApicHlp_ChangeFeature(PPDMDEVINS pDevIns, PDMAPICVERSION enmVersion)
411{
412 PDMDEV_ASSERT_DEVINS(pDevIns);
413 LogFlow(("pdmRCApicHlp_ChangeFeature: caller=%p/%d: version=%d\n", pDevIns, pDevIns->iInstance, (int)enmVersion));
414 switch (enmVersion)
415 {
416 case PDMAPICVERSION_NONE:
417 CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC);
418 CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC);
419 break;
420 case PDMAPICVERSION_APIC:
421 CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC);
422 CPUMClearGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC);
423 break;
424 case PDMAPICVERSION_X2APIC:
425 CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_X2APIC);
426 CPUMSetGuestCpuIdFeature(pDevIns->Internal.s.pVMRC, CPUMCPUIDFEATURE_APIC);
427 break;
428 default:
429 AssertMsgFailed(("Unknown APIC version: %d\n", (int)enmVersion));
430 }
431}
432
433
434/** @interface_method_impl{PDMAPICHLPRC,pfnLock} */
435static DECLCALLBACK(int) pdmRCApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
436{
437 PDMDEV_ASSERT_DEVINS(pDevIns);
438 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
439}
440
441
442/** @interface_method_impl{PDMAPICHLPRC,pfnUnlock} */
443static DECLCALLBACK(void) pdmRCApicHlp_Unlock(PPDMDEVINS pDevIns)
444{
445 PDMDEV_ASSERT_DEVINS(pDevIns);
446 pdmUnlock(pDevIns->Internal.s.pVMRC);
447}
448
449
450/** @interface_method_impl{PDMAPICHLPRC,pfnGetCpuId} */
451static DECLCALLBACK(VMCPUID) pdmRCApicHlp_GetCpuId(PPDMDEVINS pDevIns)
452{
453 PDMDEV_ASSERT_DEVINS(pDevIns);
454 return VMMGetCpuId(pDevIns->Internal.s.pVMRC);
455}
456
457
458/**
459 * The Raw-Mode Context APIC Helper Callbacks.
460 */
461extern DECLEXPORT(const PDMAPICHLPRC) g_pdmRCApicHlp =
462{
463 PDM_APICHLPRC_VERSION,
464 pdmRCApicHlp_SetInterruptFF,
465 pdmRCApicHlp_ClearInterruptFF,
466 pdmRCApicHlp_ChangeFeature,
467 pdmRCApicHlp_Lock,
468 pdmRCApicHlp_Unlock,
469 pdmRCApicHlp_GetCpuId,
470 PDM_APICHLPRC_VERSION
471};
472
473/** @} */
474
475
476
477
478/** @name I/O APIC RC Helpers
479 * @{
480 */
481
482/** @interface_method_impl{PDMIOAPICHLPRC,pfnApicBusDeliver} */
483static DECLCALLBACK(int) pdmRCIoApicHlp_ApicBusDeliver(PPDMDEVINS pDevIns, uint8_t u8Dest, uint8_t u8DestMode, uint8_t u8DeliveryMode,
484 uint8_t iVector, uint8_t u8Polarity, uint8_t u8TriggerMode)
485{
486 PDMDEV_ASSERT_DEVINS(pDevIns);
487 PVM pVM = pDevIns->Internal.s.pVMRC;
488 LogFlow(("pdmRCIoApicHlp_ApicBusDeliver: caller=%p/%d: u8Dest=%RX8 u8DestMode=%RX8 u8DeliveryMode=%RX8 iVector=%RX8 u8Polarity=%RX8 u8TriggerMode=%RX8\n",
489 pDevIns, pDevIns->iInstance, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode));
490 if (pVM->pdm.s.Apic.pfnBusDeliverRC)
491 return pVM->pdm.s.Apic.pfnBusDeliverRC(pVM->pdm.s.Apic.pDevInsRC, u8Dest, u8DestMode, u8DeliveryMode, iVector, u8Polarity, u8TriggerMode);
492 return VINF_SUCCESS;
493}
494
495
496/** @interface_method_impl{PDMIOAPICHLPRC,pfnLock} */
497static DECLCALLBACK(int) pdmRCIoApicHlp_Lock(PPDMDEVINS pDevIns, int rc)
498{
499 PDMDEV_ASSERT_DEVINS(pDevIns);
500 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
501}
502
503
504/** @interface_method_impl{PDMIOAPICHLPRC,pfnUnlock} */
505static DECLCALLBACK(void) pdmRCIoApicHlp_Unlock(PPDMDEVINS pDevIns)
506{
507 PDMDEV_ASSERT_DEVINS(pDevIns);
508 pdmUnlock(pDevIns->Internal.s.pVMRC);
509}
510
511
512/**
513 * The Raw-Mode Context I/O APIC Helper Callbacks.
514 */
515extern DECLEXPORT(const PDMIOAPICHLPRC) g_pdmRCIoApicHlp =
516{
517 PDM_IOAPICHLPRC_VERSION,
518 pdmRCIoApicHlp_ApicBusDeliver,
519 pdmRCIoApicHlp_Lock,
520 pdmRCIoApicHlp_Unlock,
521 PDM_IOAPICHLPRC_VERSION
522};
523
524/** @} */
525
526
527
528
529/** @name PCI Bus RC Helpers
530 * @{
531 */
532
533/** @interface_method_impl{PDMPCIHLPRC,pfnIsaSetIrq} */
534static DECLCALLBACK(void) pdmRCPciHlp_IsaSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
535{
536 PDMDEV_ASSERT_DEVINS(pDevIns);
537 Log4(("pdmRCPciHlp_IsaSetIrq: iIrq=%d iLevel=%d\n", iIrq, iLevel));
538 pdmRCIsaSetIrq(pDevIns->Internal.s.pVMRC, iIrq, iLevel);
539}
540
541
542/** @interface_method_impl{PDMPCIHLPRC,pfnIoApicSetIrq} */
543static DECLCALLBACK(void) pdmRCPciHlp_IoApicSetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
544{
545 PDMDEV_ASSERT_DEVINS(pDevIns);
546 Log4(("pdmRCPciHlp_IsaSetIrq: iIrq=%d iLevel=%d\n", iIrq, iLevel));
547 pdmRCIoApicSetIrq(pDevIns->Internal.s.pVMRC, iIrq, iLevel);
548}
549
550
551/** @interface_method_impl{PDMPCIHLPRC,pfnLock} */
552static DECLCALLBACK(int) pdmRCPciHlp_Lock(PPDMDEVINS pDevIns, int rc)
553{
554 PDMDEV_ASSERT_DEVINS(pDevIns);
555 return pdmLockEx(pDevIns->Internal.s.pVMRC, rc);
556}
557
558
559/** @interface_method_impl{PDMPCIHLPRC,pfnUnlock} */
560static DECLCALLBACK(void) pdmRCPciHlp_Unlock(PPDMDEVINS pDevIns)
561{
562 PDMDEV_ASSERT_DEVINS(pDevIns);
563 pdmUnlock(pDevIns->Internal.s.pVMRC);
564}
565
566
567/**
568 * The Raw-Mode Context PCI Bus Helper Callbacks.
569 */
570extern DECLEXPORT(const PDMPCIHLPRC) g_pdmRCPciHlp =
571{
572 PDM_PCIHLPRC_VERSION,
573 pdmRCPciHlp_IsaSetIrq,
574 pdmRCPciHlp_IoApicSetIrq,
575 pdmRCPciHlp_Lock,
576 pdmRCPciHlp_Unlock,
577 PDM_PCIHLPRC_VERSION, /* the end */
578};
579
580/** @} */
581
582
583
584
585/** @name HPET RC Helpers
586 * @{
587 */
588
589
590/**
591 * The Raw-Mode Context HPET Helper Callbacks.
592 */
593extern DECLEXPORT(const PDMHPETHLPRC) g_pdmRCHpetHlp =
594{
595 PDM_HPETHLPRC_VERSION,
596 PDM_HPETHLPRC_VERSION, /* the end */
597};
598
599/** @} */
600
601
602
603
604/** @name Raw-Mode Context Driver Helpers
605 * @{
606 */
607
608/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetError} */
609static DECLCALLBACK(int) pdmRCDrvHlp_VMSetError(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
610{
611 PDMDRV_ASSERT_DRVINS(pDrvIns);
612 va_list args;
613 va_start(args, pszFormat);
614 int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2);
615 va_end(args);
616 return rc;
617}
618
619
620/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetErrorV} */
621static DECLCALLBACK(int) pdmRCDrvHlp_VMSetErrorV(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)
622{
623 PDMDRV_ASSERT_DRVINS(pDrvIns);
624 int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMRC, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
625 return rc;
626}
627
628
629/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetRuntimeError} */
630static DECLCALLBACK(int) pdmRCDrvHlp_VMSetRuntimeError(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, ...)
631{
632 PDMDRV_ASSERT_DRVINS(pDrvIns);
633 va_list va;
634 va_start(va, pszFormat);
635 int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
636 va_end(va);
637 return rc;
638}
639
640
641/** @interface_method_impl{PDMDRVHLPRC,pfnVMSetErrorV} */
642static DECLCALLBACK(int) pdmRCDrvHlp_VMSetRuntimeErrorV(PPDMDRVINS pDrvIns, uint32_t fFlags, const char *pszErrorId, const char *pszFormat, va_list va)
643{
644 PDMDRV_ASSERT_DRVINS(pDrvIns);
645 int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMRC, fFlags, pszErrorId, pszFormat, va);
646 return rc;
647}
648
649
650/** @interface_method_impl{PDMDRVHLPRC,pfnAssertEMT} */
651static DECLCALLBACK(bool) pdmRCDrvHlp_AssertEMT(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction)
652{
653 PDMDRV_ASSERT_DRVINS(pDrvIns);
654 if (VM_IS_EMT(pDrvIns->Internal.s.pVMRC))
655 return true;
656
657 RTAssertMsg1Weak("AssertEMT", iLine, pszFile, pszFunction);
658 RTAssertPanic();
659 return false;
660}
661
662
663/** @interface_method_impl{PDMDRVHLPRC,pfnAssertOther} */
664static DECLCALLBACK(bool) pdmRCDrvHlp_AssertOther(PPDMDRVINS pDrvIns, const char *pszFile, unsigned iLine, const char *pszFunction)
665{
666 PDMDRV_ASSERT_DRVINS(pDrvIns);
667 if (!VM_IS_EMT(pDrvIns->Internal.s.pVMRC))
668 return true;
669
670 /* Note: While we don't have any other threads but EMT(0) in RC, might
671 still have drive code compiled in which it shouldn't execute. */
672 RTAssertMsg1Weak("AssertOther", iLine, pszFile, pszFunction);
673 RTAssertPanic();
674 return false;
675}
676
677
678/**
679 * The Raw-Mode Context Driver Helper Callbacks.
680 */
681extern DECLEXPORT(const PDMDRVHLPRC) g_pdmRCDrvHlp =
682{
683 PDM_DRVHLPRC_VERSION,
684 pdmRCDrvHlp_VMSetError,
685 pdmRCDrvHlp_VMSetErrorV,
686 pdmRCDrvHlp_VMSetRuntimeError,
687 pdmRCDrvHlp_VMSetRuntimeErrorV,
688 pdmRCDrvHlp_AssertEMT,
689 pdmRCDrvHlp_AssertOther,
690 PDM_DRVHLPRC_VERSION
691};
692
693/** @} */
694
695
696
697
698/**
699 * Sets an irq on the I/O APIC.
700 *
701 * @param pVM The VM handle.
702 * @param iIrq The irq.
703 * @param iLevel The new level.
704 */
705static void pdmRCIsaSetIrq(PVM pVM, int iIrq, int iLevel)
706{
707 if ( ( pVM->pdm.s.IoApic.pDevInsRC
708 || !pVM->pdm.s.IoApic.pDevInsR3)
709 && ( pVM->pdm.s.Pic.pDevInsRC
710 || !pVM->pdm.s.Pic.pDevInsR3))
711 {
712 pdmLock(pVM);
713 if (pVM->pdm.s.Pic.pDevInsRC)
714 pVM->pdm.s.Pic.pfnSetIrqRC(pVM->pdm.s.Pic.pDevInsRC, iIrq, iLevel);
715 if (pVM->pdm.s.IoApic.pDevInsRC)
716 pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel);
717 pdmUnlock(pVM);
718 }
719 else
720 {
721 /* queue for ring-3 execution. */
722 PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
723 if (pTask)
724 {
725 pTask->enmOp = PDMDEVHLPTASKOP_ISA_SET_IRQ;
726 pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */
727 pTask->u.SetIRQ.iIrq = iIrq;
728 pTask->u.SetIRQ.iLevel = iLevel;
729
730 PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
731 }
732 else
733 AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
734 }
735}
736
737
738/**
739 * Sets an irq on the I/O APIC.
740 *
741 * @param pVM The VM handle.
742 * @param iIrq The irq.
743 * @param iLevel The new level.
744 */
745static void pdmRCIoApicSetIrq(PVM pVM, int iIrq, int iLevel)
746{
747 if (pVM->pdm.s.IoApic.pDevInsRC)
748 {
749 pdmLock(pVM);
750 pVM->pdm.s.IoApic.pfnSetIrqRC(pVM->pdm.s.IoApic.pDevInsRC, iIrq, iLevel);
751 pdmUnlock(pVM);
752 }
753 else if (pVM->pdm.s.IoApic.pDevInsR3)
754 {
755 /* queue for ring-3 execution. */
756 PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pVM->pdm.s.pDevHlpQueueRC);
757 if (pTask)
758 {
759 pTask->enmOp = PDMDEVHLPTASKOP_IOAPIC_SET_IRQ;
760 pTask->pDevInsR3 = NIL_RTR3PTR; /* not required */
761 pTask->u.SetIRQ.iIrq = iIrq;
762 pTask->u.SetIRQ.iLevel = iLevel;
763
764 PDMQueueInsertEx(pVM->pdm.s.pDevHlpQueueRC, &pTask->Core, 0);
765 }
766 else
767 AssertMsgFailed(("We're out of devhlp queue items!!!\n"));
768 }
769}
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