GICR3.cpp@ 101521

Last change on this file since 101521 was 100758, checked in by vboxsync, 16 months ago
VMM/GICR3: Add some preliminary saved state handling, bugref:10404 [fix]
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1	/* $Id: GICR3.cpp 100758 2023-07-31 14:32:33Z vboxsync $ */
2	/** @file
3	* GIC - Generic Interrupt Controller Architecture (GICv3).
4	*/
5
6	/*
7	* Copyright (C) 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
29	/*********************************************************************************************************************************
30	* Header Files *
31	*********************************************************************************************************************************/
32	#define LOG_GROUP LOG_GROUP_DEV_APIC
33	#include <VBox/log.h>
34	#include "GICInternal.h"
35	#include <VBox/vmm/gic.h>
36	#include <VBox/vmm/cpum.h>
37	#include <VBox/vmm/hm.h>
38	#include <VBox/vmm/mm.h>
39	#include <VBox/vmm/pdmdev.h>
40	#include <VBox/vmm/ssm.h>
41	#include <VBox/vmm/vm.h>
42
43	#include <iprt/armv8.h>
44
45
46	#ifndef VBOX_DEVICE_STRUCT_TESTCASE
47
48
49	/*********************************************************************************************************************************
50	* Defined Constants And Macros *
51	*********************************************************************************************************************************/
52	/** Some ancient version... */
53	#define GIC_SAVED_STATE_VERSION 1
54
55	# define GIC_SYSREGRANGE(a_uFirst, a_uLast, a_szName) \
56	{ (a_uFirst), (a_uLast), kCpumSysRegRdFn_GicV3Icc, kCpumSysRegWrFn_GicV3Icc, 0, 0, 0, 0, 0, 0, a_szName, { 0 }, { 0 }, { 0 }, { 0 } }
57
58
59	/*********************************************************************************************************************************
60	* Global Variables *
61	*********************************************************************************************************************************/
62	/**
63	* System register ranges for the GICv3.
64	*/
65	static CPUMSYSREGRANGE const g_aSysRegRanges_GICv3[] =
66	{
67	GIC_SYSREGRANGE(ARMV8_AARCH64_SYSREG_ICC_PMR_EL1, ARMV8_AARCH64_SYSREG_ICC_PMR_EL1, "ICC_PMR_EL1"),
68	GIC_SYSREGRANGE(ARMV8_AARCH64_SYSREG_ICC_IAR0_EL1, ARMV8_AARCH64_SYSREG_ICC_AP0R3_EL1, "ICC_IAR0_EL1 - ICC_AP0R3_EL1"),
69	GIC_SYSREGRANGE(ARMV8_AARCH64_SYSREG_ICC_AP1R0_EL1, ARMV8_AARCH64_SYSREG_ICC_NMIAR1_EL1, "ICC_AP1R0_EL1 - ICC_NMIAR1_EL1"),
70	GIC_SYSREGRANGE(ARMV8_AARCH64_SYSREG_ICC_DIR_EL1, ARMV8_AARCH64_SYSREG_ICC_SGI0R_EL1, "ICC_DIR_EL1 - ICC_SGI0R_EL1"),
71	GIC_SYSREGRANGE(ARMV8_AARCH64_SYSREG_ICC_IAR1_EL1, ARMV8_AARCH64_SYSREG_ICC_IGRPEN1_EL1, "ICC_IAR1_EL1 - ICC_IGRPEN1_EL1"),
72	};
73
74
75	/**
76	* Dumps basic APIC state.
77	*
78	* @param pVM The cross context VM structure.
79	* @param pHlp The info helpers.
80	* @param pszArgs Arguments, ignored.
81	*/
82	static DECLCALLBACK(void) gicR3Info(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
83	{
84	RT_NOREF(pVM, pHlp, pszArgs);
85	}
86
87
88	/**
89	* Dumps GIC Distributor information.
90	*
91	* @param pVM The cross context VM structure.
92	* @param pHlp The info helpers.
93	* @param pszArgs Arguments, ignored.
94	*/
95	static DECLCALLBACK(void) gicR3InfoDist(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
96	{
97	RT_NOREF(pszArgs);
98
99	PGIC pGic = VM_TO_GIC(pVM);
100	PPDMDEVINS pDevIns = pGic->CTX_SUFF(pDevIns);
101	PGICDEV pGicDev = PDMDEVINS_2_DATA(pDevIns, PGICDEV);
102
103	pHlp->pfnPrintf(pHlp, "GICv3 Distributor:\n");
104	pHlp->pfnPrintf(pHlp, " IGRP0 = %#RX32\n", pGicDev->u32RegIGrp0);
105	pHlp->pfnPrintf(pHlp, " ICFG0 = %#RX32\n", pGicDev->u32RegICfg0);
106	pHlp->pfnPrintf(pHlp, " ICFG1 = %#RX32\n", pGicDev->u32RegICfg1);
107	pHlp->pfnPrintf(pHlp, " bmIntEnabled = %#RX32\n", pGicDev->bmIntEnabled);
108	pHlp->pfnPrintf(pHlp, " bmIntPending = %#RX32\n", pGicDev->bmIntPending);
109	pHlp->pfnPrintf(pHlp, " bmIntActive = %#RX32\n", pGicDev->bmIntActive);
110	pHlp->pfnPrintf(pHlp, " Interrupt priorities:\n");
111	for (uint32_t i = 0; i < RT_ELEMENTS(pGicDev->abIntPriority); i++)
112	pHlp->pfnPrintf(pHlp, " INTID %u = %u\n", GIC_INTID_RANGE_SPI_START + i, pGicDev->abIntPriority[i]);
113
114	pHlp->pfnPrintf(pHlp, " fIrqGrp0Enabled = %RTbool\n", pGicDev->fIrqGrp0Enabled);
115	pHlp->pfnPrintf(pHlp, " fIrqGrp1Enabled = %RTbool\n", pGicDev->fIrqGrp1Enabled);
116	}
117
118
119	/**
120	* Dumps the GIC Redistributor information.
121	*
122	* @param pVM The cross context VM structure.
123	* @param pHlp The info helpers.
124	* @param pszArgs Arguments, ignored.
125	*/
126	static DECLCALLBACK(void) gicR3InfoReDist(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
127	{
128	NOREF(pszArgs);
129	PVMCPU pVCpu = VMMGetCpu(pVM);
130	if (!pVCpu)
131	pVCpu = pVM->apCpusR3[0];
132
133	PGICCPU pGicVCpu = VMCPU_TO_GICCPU(pVCpu);
134
135	pHlp->pfnPrintf(pHlp, "VCPU[%u] Redistributor:\n", pVCpu->idCpu);
136	pHlp->pfnPrintf(pHlp, " IGRP0 = %#RX32\n", pGicVCpu->u32RegIGrp0);
137	pHlp->pfnPrintf(pHlp, " ICFG0 = %#RX32\n", pGicVCpu->u32RegICfg0);
138	pHlp->pfnPrintf(pHlp, " ICFG1 = %#RX32\n", pGicVCpu->u32RegICfg1);
139	pHlp->pfnPrintf(pHlp, " bmIntEnabled = %#RX32\n", pGicVCpu->bmIntEnabled);
140	pHlp->pfnPrintf(pHlp, " bmIntPending = %#RX32\n", pGicVCpu->bmIntPending);
141	pHlp->pfnPrintf(pHlp, " bmIntActive = %#RX32\n", pGicVCpu->bmIntActive);
142	pHlp->pfnPrintf(pHlp, " Interrupt priorities:\n");
143	for (uint32_t i = 0; i < RT_ELEMENTS(pGicVCpu->abIntPriority); i++)
144	pHlp->pfnPrintf(pHlp, " INTID %u = %u\n", i, pGicVCpu->abIntPriority[i]);
145
146	pHlp->pfnPrintf(pHlp, "VCPU[%u] ICC state:\n", pVCpu->idCpu);
147	pHlp->pfnPrintf(pHlp, " fIrqGrp0Enabled = %RTbool\n", pGicVCpu->fIrqGrp0Enabled);
148	pHlp->pfnPrintf(pHlp, " fIrqGrp1Enabled = %RTbool\n", pGicVCpu->fIrqGrp1Enabled);
149	pHlp->pfnPrintf(pHlp, " bInterruptPriority = %u\n", pGicVCpu->bInterruptPriority);
150	pHlp->pfnPrintf(pHlp, " bBinaryPointGrp0 = %u\n", pGicVCpu->bBinaryPointGrp0);
151	pHlp->pfnPrintf(pHlp, " bBinaryPointGrp1 = %u\n", pGicVCpu->bBinaryPointGrp1);
152	pHlp->pfnPrintf(pHlp, " idxRunningPriority = %u\n", pGicVCpu->idxRunningPriority);
153	pHlp->pfnPrintf(pHlp, " Running priority = %u\n", pGicVCpu->abRunningPriorities[pGicVCpu->idxRunningPriority]);
154	}
155
156
157	/**
158	* Worker for saving per-VM GIC data.
159	*
160	* @returns VBox status code.
161	* @param pDevIns The device instance.
162	* @param pVM The cross context VM structure.
163	* @param pSSM The SSM handle.
164	*/
165	static int gicR3SaveVMData(PPDMDEVINS pDevIns, PVM pVM, PSSMHANDLE pSSM)
166	{
167	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
168	PGICDEV pGicDev = PDMDEVINS_2_DATA(pDevIns, PGICDEV);
169
170	pHlp->pfnSSMPutU32( pSSM, pVM->cCpus);
171	pHlp->pfnSSMPutU32( pSSM, GIC_SPI_MAX);
172	pHlp->pfnSSMPutU32( pSSM, pGicDev->u32RegIGrp0);
173	pHlp->pfnSSMPutU32( pSSM, pGicDev->u32RegICfg0);
174	pHlp->pfnSSMPutU32( pSSM, pGicDev->u32RegICfg1);
175	pHlp->pfnSSMPutU32( pSSM, pGicDev->bmIntEnabled);
176	pHlp->pfnSSMPutU32( pSSM, pGicDev->bmIntPending);
177	pHlp->pfnSSMPutU32( pSSM, pGicDev->bmIntActive);
178	pHlp->pfnSSMPutMem( pSSM, (void *)&pGicDev->abIntPriority[0], sizeof(pGicDev->abIntPriority));
179	pHlp->pfnSSMPutBool(pSSM, pGicDev->fIrqGrp0Enabled);
180
181	return pHlp->pfnSSMPutBool(pSSM, pGicDev->fIrqGrp1Enabled);
182	}
183
184
185	/**
186	* Worker for loading per-VM GIC data.
187	*
188	* @returns VBox status code.
189	* @param pDevIns The device instance.
190	* @param pVM The cross context VM structure.
191	* @param pSSM The SSM handle.
192	*/
193	static int gicR3LoadVMData(PPDMDEVINS pDevIns, PVM pVM, PSSMHANDLE pSSM)
194	{
195	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
196	PGICDEV pGicDev = PDMDEVINS_2_DATA(pDevIns, PGICDEV);
197
198	/* Load and verify number of CPUs. */
199	uint32_t cCpus;
200	int rc = pHlp->pfnSSMGetU32(pSSM, &cCpus);
201	AssertRCReturn(rc, rc);
202	if (cCpus != pVM->cCpus)
203	return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Config mismatch - cCpus: saved=%u config=%u"), cCpus, pVM->cCpus);
204
205	/* Load and verify maximum number of SPIs. */
206	uint32_t cSpisMax;
207	rc = pHlp->pfnSSMGetU32(pSSM, &cSpisMax);
208	AssertRCReturn(rc, rc);
209	if (cSpisMax != GIC_SPI_MAX)
210	return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Config mismatch - cSpisMax: saved=%u config=%u"),
211	cSpisMax, GIC_SPI_MAX);
212
213	/* Load the state. */
214	pHlp->pfnSSMGetU32V( pSSM, &pGicDev->u32RegIGrp0);
215	pHlp->pfnSSMGetU32V( pSSM, &pGicDev->u32RegICfg0);
216	pHlp->pfnSSMGetU32V( pSSM, &pGicDev->u32RegICfg1);
217	pHlp->pfnSSMGetU32V( pSSM, &pGicDev->bmIntEnabled);
218	pHlp->pfnSSMGetU32V( pSSM, &pGicDev->bmIntPending);
219	pHlp->pfnSSMGetU32V( pSSM, &pGicDev->bmIntActive);
220	pHlp->pfnSSMGetMem( pSSM, (void *)&pGicDev->abIntPriority[0], sizeof(pGicDev->abIntPriority));
221	pHlp->pfnSSMGetBoolV(pSSM, &pGicDev->fIrqGrp0Enabled);
222	pHlp->pfnSSMGetBoolV(pSSM, &pGicDev->fIrqGrp1Enabled);
223
224	return VINF_SUCCESS;
225	}
226
227
228	/**
229	* @copydoc FNSSMDEVSAVEEXEC
230	*/
231	static DECLCALLBACK(int) gicR3SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
232	{
233	PVM pVM = PDMDevHlpGetVM(pDevIns);
234	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
235
236	AssertReturn(pVM, VERR_INVALID_VM_HANDLE);
237
238	LogFlow(("GIC: gicR3SaveExec\n"));
239
240	/* Save per-VM data. */
241	int rc = gicR3SaveVMData(pDevIns, pVM, pSSM);
242	AssertRCReturn(rc, rc);
243
244	/* Save per-VCPU data.*/
245	for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
246	{
247	PVMCPU pVCpu = pVM->apCpusR3[idCpu];
248	PGICCPU pGicVCpu = VMCPU_TO_GICCPU(pVCpu);
249
250	/* Load the redistributor state. */
251	pHlp->pfnSSMPutU32( pSSM, pGicVCpu->u32RegIGrp0);
252	pHlp->pfnSSMPutU32( pSSM, pGicVCpu->u32RegICfg0);
253	pHlp->pfnSSMPutU32( pSSM, pGicVCpu->u32RegICfg1);
254	pHlp->pfnSSMPutU32( pSSM, pGicVCpu->bmIntEnabled);
255	pHlp->pfnSSMPutU32( pSSM, pGicVCpu->bmIntPending);
256	pHlp->pfnSSMPutU32( pSSM, pGicVCpu->bmIntActive);
257	pHlp->pfnSSMPutMem( pSSM, (void *)&pGicVCpu->abIntPriority[0], sizeof(pGicVCpu->abIntPriority));
258
259	pHlp->pfnSSMPutBool(pSSM, pGicVCpu->fIrqGrp0Enabled);
260	pHlp->pfnSSMPutBool(pSSM, pGicVCpu->fIrqGrp1Enabled);
261	pHlp->pfnSSMPutU8( pSSM, pGicVCpu->bInterruptPriority);
262	pHlp->pfnSSMPutU8( pSSM, pGicVCpu->bBinaryPointGrp0);
263	pHlp->pfnSSMPutU8( pSSM, pGicVCpu->bBinaryPointGrp1);
264	pHlp->pfnSSMPutMem( pSSM, (void *)&pGicVCpu->abRunningPriorities[0], sizeof(pGicVCpu->abRunningPriorities));
265	pHlp->pfnSSMPutU8( pSSM, pGicVCpu->idxRunningPriority);
266	}
267
268	return rc;
269	}
270
271
272	/**
273	* @copydoc FNSSMDEVLOADEXEC
274	*/
275	static DECLCALLBACK(int) gicR3LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
276	{
277	PVM pVM = PDMDevHlpGetVM(pDevIns);
278	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
279
280	AssertReturn(pVM, VERR_INVALID_VM_HANDLE);
281	AssertReturn(uPass == SSM_PASS_FINAL, VERR_WRONG_ORDER);
282
283	LogFlow(("GIC: gicR3LoadExec: uVersion=%u uPass=%#x\n", uVersion, uPass));
284
285	/* Weed out invalid versions. */
286	if (uVersion != GIC_SAVED_STATE_VERSION)
287	{
288	LogRel(("GIC: gicR3LoadExec: Invalid/unrecognized saved-state version %u (%#x)\n", uVersion, uVersion));
289	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
290	}
291
292	int rc = gicR3LoadVMData(pDevIns, pVM, pSSM);
293	AssertRCReturn(rc, rc);
294
295	/*
296	* Restore per CPU state.
297	*
298	* Note! PDM will restore the VMCPU_FF_INTERRUPT_IRQ and VMCPU_FF_INTERRUPT_FIQ flags for us.
299	* This code doesn't touch it. No devices should make us touch
300	* it later during the restore either, only during the 'done' phase.
301	*/
302	for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
303	{
304	PVMCPU pVCpu = pVM->apCpusR3[idCpu];
305	PGICCPU pGicVCpu = VMCPU_TO_GICCPU(pVCpu);
306
307	/* Load the redistributor state. */
308	pHlp->pfnSSMGetU32V( pSSM, &pGicVCpu->u32RegIGrp0);
309	pHlp->pfnSSMGetU32V( pSSM, &pGicVCpu->u32RegICfg0);
310	pHlp->pfnSSMGetU32V( pSSM, &pGicVCpu->u32RegICfg1);
311	pHlp->pfnSSMGetU32V( pSSM, &pGicVCpu->bmIntEnabled);
312	pHlp->pfnSSMGetU32V( pSSM, &pGicVCpu->bmIntPending);
313	pHlp->pfnSSMGetU32V( pSSM, &pGicVCpu->bmIntActive);
314	pHlp->pfnSSMGetMem( pSSM, (void *)&pGicVCpu->abIntPriority[0], sizeof(pGicVCpu->abIntPriority));
315
316	pHlp->pfnSSMGetBoolV( pSSM, &pGicVCpu->fIrqGrp0Enabled);
317	pHlp->pfnSSMGetBoolV( pSSM, &pGicVCpu->fIrqGrp1Enabled);
318	pHlp->pfnSSMGetU8V( pSSM, &pGicVCpu->bInterruptPriority);
319	pHlp->pfnSSMGetU8( pSSM, &pGicVCpu->bBinaryPointGrp0);
320	pHlp->pfnSSMGetU8( pSSM, &pGicVCpu->bBinaryPointGrp1);
321	pHlp->pfnSSMGetMem( pSSM, (void *)&pGicVCpu->abRunningPriorities[0], sizeof(pGicVCpu->abRunningPriorities));
322	rc = pHlp->pfnSSMGetU8V(pSSM, &pGicVCpu->idxRunningPriority);
323	if (RT_FAILURE(rc))
324	return rc;
325	}
326
327	return rc;
328	}
329
330
331	/**
332	* @interface_method_impl{PDMDEVREG,pfnReset}
333	*/
334	DECLCALLBACK(void) gicR3Reset(PPDMDEVINS pDevIns)
335	{
336	PVM pVM = PDMDevHlpGetVM(pDevIns);
337	VM_ASSERT_EMT0(pVM);
338	VM_ASSERT_IS_NOT_RUNNING(pVM);
339
340	LogFlow(("GIC: gicR3Reset\n"));
341
342	for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
343	{
344	PVMCPU pVCpuDest = pVM->apCpusR3[idCpu];
345
346	gicResetCpu(pVCpuDest);
347	}
348	}
349
350
351	/**
352	* @interface_method_impl{PDMDEVREG,pfnRelocate}
353	*/
354	DECLCALLBACK(void) gicR3Relocate(PPDMDEVINS pDevIns, RTGCINTPTR offDelta)
355	{
356	RT_NOREF(pDevIns, offDelta);
357	}
358
359
360	/**
361	* Initializes the GIC state.
362	*
363	* @returns VBox status code.
364	* @param pVM The cross context VM structure.
365	*/
366	static int gicR3InitState(PVM pVM)
367	{
368	LogFlowFunc(("pVM=%p\n", pVM));
369
370	RT_NOREF(pVM);
371	return VINF_SUCCESS;
372	}
373
374
375	/**
376	* @interface_method_impl{PDMDEVREG,pfnDestruct}
377	*/
378	DECLCALLBACK(int) gicR3Destruct(PPDMDEVINS pDevIns)
379	{
380	LogFlowFunc(("pDevIns=%p\n", pDevIns));
381	PDMDEV_CHECK_VERSIONS_RETURN_QUIET(pDevIns);
382
383	return VINF_SUCCESS;
384	}
385
386
387	/**
388	* @interface_method_impl{PDMDEVREG,pfnConstruct}
389	*/
390	DECLCALLBACK(int) gicR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
391	{
392	PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
393	PGICDEV pGicDev = PDMDEVINS_2_DATA(pDevIns, PGICDEV);
394	PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
395	PVM pVM = PDMDevHlpGetVM(pDevIns);
396	PGIC pGic = VM_TO_GIC(pVM);
397	Assert(iInstance == 0); NOREF(iInstance);
398
399	/*
400	* Init the data.
401	*/
402	pGic->pDevInsR3 = pDevIns;
403
404	/*
405	* Validate GIC settings.
406	*/
407	PDMDEV_VALIDATE_CONFIG_RETURN(pDevIns, "DistributorMmioBase\|RedistributorMmioBase", "");
408
409	#if 0
410	/*
411	* Disable automatic PDM locking for this device.
412	*/
413	int rc = PDMDevHlpSetDeviceCritSect(pDevIns, PDMDevHlpCritSectGetNop(pDevIns));
414	AssertRCReturn(rc, rc);
415	#else
416	int rc;
417	#endif
418
419	/*
420	* Register the GIC with PDM.
421	*/
422	rc = PDMDevHlpApicRegister(pDevIns);
423	AssertLogRelRCReturn(rc, rc);
424
425	/*
426	* Initialize the GIC state.
427	*/
428	for (uint32_t i = 0; i < RT_ELEMENTS(g_aSysRegRanges_GICv3); i++)
429	{
430	rc = CPUMR3SysRegRangesInsert(pVM, &g_aSysRegRanges_GICv3[i]);
431	AssertLogRelRCReturn(rc, rc);
432	}
433
434	/* Finally, initialize the state. */
435	rc = gicR3InitState(pVM);
436	AssertRCReturn(rc, rc);
437
438	/*
439	* Register the MMIO ranges.
440	*/
441	RTGCPHYS GCPhysMmioBase = 0;
442	rc = pHlp->pfnCFGMQueryU64(pCfg, "DistributorMmioBase", &GCPhysMmioBase);
443	if (RT_FAILURE(rc))
444	return PDMDEV_SET_ERROR(pDevIns, rc,
445	N_("Configuration error: Failed to get the \"DistributorMmioBase\" value"));
446
447	rc = PDMDevHlpMmioCreateAndMap(pDevIns, GCPhysMmioBase, GIC_DIST_REG_FRAME_SIZE, gicDistMmioWrite, gicDistMmioRead,
448	IOMMMIO_FLAGS_READ_DWORD \| IOMMMIO_FLAGS_WRITE_DWORD_ZEROED, "GICv3_Dist", &pGicDev->hMmioDist);
449	AssertRCReturn(rc, rc);
450
451	rc = pHlp->pfnCFGMQueryU64(pCfg, "RedistributorMmioBase", &GCPhysMmioBase);
452	if (RT_FAILURE(rc))
453	return PDMDEV_SET_ERROR(pDevIns, rc,
454	N_("Configuration error: Failed to get the \"RedistributorMmioBase\" value"));
455
456	RTGCPHYS cbRegion = pVM->cCpus * (GIC_REDIST_REG_FRAME_SIZE + GIC_REDIST_SGI_PPI_REG_FRAME_SIZE); /* Adjacent and per vCPU. */
457	rc = PDMDevHlpMmioCreateAndMap(pDevIns, GCPhysMmioBase, cbRegion, gicReDistMmioWrite, gicReDistMmioRead,
458	IOMMMIO_FLAGS_READ_DWORD \| IOMMMIO_FLAGS_WRITE_DWORD_ZEROED, "GICv3_ReDist", &pGicDev->hMmioReDist);
459	AssertRCReturn(rc, rc);
460
461	/*
462	* Register saved state callbacks.
463	*/
464	rc = PDMDevHlpSSMRegister(pDevIns, GIC_SAVED_STATE_VERSION, 0, gicR3SaveExec, gicR3LoadExec);
465	AssertRCReturn(rc, rc);
466
467	/*
468	* Register debugger info callbacks.
469	*
470	* We use separate callbacks rather than arguments so they can also be
471	* dumped in an automated fashion while collecting crash diagnostics and
472	* not just used during live debugging via the VM debugger.
473	*/
474	DBGFR3InfoRegisterInternalEx(pVM, "gic", "Dumps GIC basic information.", gicR3Info, DBGFINFO_FLAGS_ALL_EMTS);
475	DBGFR3InfoRegisterInternalEx(pVM, "gicdist", "Dumps GIC Distributor information.", gicR3InfoDist, DBGFINFO_FLAGS_ALL_EMTS);
476	DBGFR3InfoRegisterInternalEx(pVM, "gicredist", "Dumps GIC Redistributor information.", gicR3InfoReDist, DBGFINFO_FLAGS_ALL_EMTS);
477
478	/*
479	* Statistics.
480	*/
481	#define GIC_REG_COUNTER(a_pvReg, a_pszNameFmt, a_pszDesc) \
482	PDMDevHlpSTAMRegisterF(pDevIns, a_pvReg, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, \
483	STAMUNIT_OCCURENCES, a_pszDesc, a_pszNameFmt, idCpu)
484	#define GIC_PROF_COUNTER(a_pvReg, a_pszNameFmt, a_pszDesc) \
485	PDMDevHlpSTAMRegisterF(pDevIns, a_pvReg, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, \
486	STAMUNIT_TICKS_PER_CALL, a_pszDesc, a_pszNameFmt, idCpu)
487
488	#ifdef VBOX_WITH_STATISTICS
489	for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
490	{
491	PVMCPU pVCpu = pVM->apCpusR3[idCpu];
492	PGICCPU pGicCpu = VMCPU_TO_GICCPU(pVCpu);
493
494	# if 0 /* No R0 for now. */
495	GIC_REG_COUNTER(&pGicCpu->StatMmioReadRZ, "%u/RZ/MmioRead", "Number of APIC MMIO reads in RZ.");
496	GIC_REG_COUNTER(&pGicCpu->StatMmioWriteRZ, "%u/RZ/MmioWrite", "Number of APIC MMIO writes in RZ.");
497	GIC_REG_COUNTER(&pGicCpu->StatMsrReadRZ, "%u/RZ/MsrRead", "Number of APIC MSR reads in RZ.");
498	GIC_REG_COUNTER(&pGicCpu->StatMsrWriteRZ, "%u/RZ/MsrWrite", "Number of APIC MSR writes in RZ.");
499	# endif
500
501	GIC_REG_COUNTER(&pGicCpu->StatMmioReadR3, "%u/R3/MmioRead", "Number of APIC MMIO reads in R3.");
502	GIC_REG_COUNTER(&pGicCpu->StatMmioWriteR3, "%u/R3/MmioWrite", "Number of APIC MMIO writes in R3.");
503	GIC_REG_COUNTER(&pGicCpu->StatSysRegReadR3, "%u/R3/SysRegRead", "Number of GIC system register reads in R3.");
504	GIC_REG_COUNTER(&pGicCpu->StatSysRegWriteR3, "%u/R3/SysRegWrite", "Number of GIC system register writes in R3.");
505	}
506	#endif
507
508	# undef GIC_PROF_COUNTER
509
510	gicR3Reset(pDevIns);
511	return VINF_SUCCESS;
512	}
513
514	#endif /* !VBOX_DEVICE_STRUCT_TESTCASE */
515

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source: vbox/trunk/src/VBox/VMM/VMMR3/GICR3.cpp@ 101521

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