1 | /* $Id: GICR3.cpp 108531 2025-03-12 10:12:19Z vboxsync $ */
|
---|
2 | /** @file
|
---|
3 | * GIC - Generic Interrupt Controller Architecture (GIC).
|
---|
4 | */
|
---|
5 |
|
---|
6 | /*
|
---|
7 | * Copyright (C) 2023-2024 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_GIC
|
---|
33 | #include <VBox/log.h>
|
---|
34 | #include "GICInternal.h"
|
---|
35 | #include <VBox/vmm/pdmgic.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 | /** GIC saved state version. */
|
---|
53 | #define GIC_SAVED_STATE_VERSION 6
|
---|
54 |
|
---|
55 | # define GIC_SYSREGRANGE(a_uFirst, a_uLast, a_szName) \
|
---|
56 | { (a_uFirst), (a_uLast), kCpumSysRegRdFn_GicIcc, kCpumSysRegWrFn_GicIcc, 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 GIC.
|
---|
64 | */
|
---|
65 | static CPUMSYSREGRANGE const g_aSysRegRanges_GIC[] =
|
---|
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 | GIC_SYSREGRANGE(ARMV8_AARCH64_SYSREG_ICC_SRE_EL2, ARMV8_AARCH64_SYSREG_ICC_SRE_EL2, "ICC_SRE_EL2"),
|
---|
73 | GIC_SYSREGRANGE(ARMV8_AARCH64_SYSREG_ICC_SRE_EL3, ARMV8_AARCH64_SYSREG_ICC_SRE_EL3, "ICC_SRE_EL3")
|
---|
74 | };
|
---|
75 |
|
---|
76 |
|
---|
77 | /**
|
---|
78 | * Dumps basic GIC state.
|
---|
79 | *
|
---|
80 | * @param pVM The cross context VM structure.
|
---|
81 | * @param pHlp The info helpers.
|
---|
82 | * @param pszArgs Arguments, ignored.
|
---|
83 | */
|
---|
84 | static DECLCALLBACK(void) gicR3Info(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
|
---|
85 | {
|
---|
86 | RT_NOREF(pszArgs);
|
---|
87 | PCGIC pGic = VM_TO_GIC(pVM);
|
---|
88 | PPDMDEVINS pDevIns = pGic->CTX_SUFF(pDevIns);
|
---|
89 | PCGICDEV pGicDev = PDMDEVINS_2_DATA(pDevIns, PCGICDEV);
|
---|
90 |
|
---|
91 | pHlp->pfnPrintf(pHlp, "GIC:\n");
|
---|
92 | pHlp->pfnPrintf(pHlp, " uArchRev = %u\n", pGicDev->uArchRev);
|
---|
93 | pHlp->pfnPrintf(pHlp, " uMaxSpi = %u (upto IntId %u)\n", pGicDev->uMaxSpi, 32 * (pGicDev->uMaxSpi + 1));
|
---|
94 | pHlp->pfnPrintf(pHlp, " fExtSpi = %RTbool\n", pGicDev->fExtSpi);
|
---|
95 | pHlp->pfnPrintf(pHlp, " uMaxExtSpi = %u (upto IntId %u)\n", pGicDev->uMaxExtSpi,
|
---|
96 | GIC_INTID_RANGE_EXT_SPI_START - 1 + 32 * (pGicDev->uMaxExtSpi + 1));
|
---|
97 | pHlp->pfnPrintf(pHlp, " fExtPpi = %RTbool\n", pGicDev->fExtPpi);
|
---|
98 | pHlp->pfnPrintf(pHlp, " uMaxExtPpi = %u (upto IntId %u)\n", pGicDev->uMaxExtPpi,
|
---|
99 | pGicDev->uMaxExtPpi == GIC_REDIST_REG_TYPER_PPI_NUM_MAX_1087 ? 1087 : GIC_INTID_RANGE_EXT_PPI_LAST);
|
---|
100 | pHlp->pfnPrintf(pHlp, " fRangeSelSupport = %RTbool\n", pGicDev->fRangeSel);
|
---|
101 | pHlp->pfnPrintf(pHlp, " fNmi = %RTbool\n", pGicDev->fNmi);
|
---|
102 | pHlp->pfnPrintf(pHlp, " fMbi = %RTbool\n", pGicDev->fMbi);
|
---|
103 | pHlp->pfnPrintf(pHlp, " fAff3Levels = %RTbool\n", pGicDev->fAff3Levels);
|
---|
104 | }
|
---|
105 |
|
---|
106 |
|
---|
107 | /**
|
---|
108 | * Dumps GIC Distributor information.
|
---|
109 | *
|
---|
110 | * @param pVM The cross context VM structure.
|
---|
111 | * @param pHlp The info helpers.
|
---|
112 | * @param pszArgs Arguments, ignored.
|
---|
113 | */
|
---|
114 | static DECLCALLBACK(void) gicR3InfoDist(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
|
---|
115 | {
|
---|
116 | RT_NOREF(pszArgs);
|
---|
117 |
|
---|
118 | PGIC pGic = VM_TO_GIC(pVM);
|
---|
119 | PPDMDEVINS pDevIns = pGic->CTX_SUFF(pDevIns);
|
---|
120 | PCGICDEV pGicDev = PDMDEVINS_2_DATA(pDevIns, PCGICDEV);
|
---|
121 |
|
---|
122 | #define GIC_DBGFINFO_DIST_INTR_BITMAP(a_Name, a_bmIntr) \
|
---|
123 | do \
|
---|
124 | { \
|
---|
125 | pHlp->pfnPrintf(pHlp, " " a_Name " =\n"); \
|
---|
126 | for (uint32_t i = 0; i < RT_ELEMENTS(a_bmIntr); i += 8) \
|
---|
127 | pHlp->pfnPrintf(pHlp, " [%2u..%-2u] %#010x %#010x %#010x %#010x %#010x %#010x %#010x %#010x\n", i, i + 7, \
|
---|
128 | (a_bmIntr)[i], (a_bmIntr)[i+1], (a_bmIntr)[i+2], (a_bmIntr)[i+3], \
|
---|
129 | (a_bmIntr)[i+4], (a_bmIntr)[i+5], (a_bmIntr)[i+6], (a_bmIntr)[i+7]); \
|
---|
130 | } while (0)
|
---|
131 |
|
---|
132 | pHlp->pfnPrintf(pHlp, "GIC Distributor:\n");
|
---|
133 | pHlp->pfnPrintf(pHlp, " fIntrGroup0Enabled = %RTbool\n", pGicDev->fIntrGroup0Enabled);
|
---|
134 | pHlp->pfnPrintf(pHlp, " fIntrGroup1Enabled = %RTbool\n", pGicDev->fIntrGroup1Enabled);
|
---|
135 | pHlp->pfnPrintf(pHlp, " fAffRoutingEnabled = %RTbool\n", pGicDev->fAffRoutingEnabled);
|
---|
136 | GIC_DBGFINFO_DIST_INTR_BITMAP("bmIntrGroup", pGicDev->bmIntrGroup);
|
---|
137 | GIC_DBGFINFO_DIST_INTR_BITMAP("bmIntrEnabled", pGicDev->bmIntrEnabled);
|
---|
138 | GIC_DBGFINFO_DIST_INTR_BITMAP("bmIntrPending", pGicDev->bmIntrPending);
|
---|
139 | GIC_DBGFINFO_DIST_INTR_BITMAP("bmIntrActive", pGicDev->bmIntrActive);
|
---|
140 |
|
---|
141 | /* Interrupt priorities.*/
|
---|
142 | {
|
---|
143 | uint32_t const cPriorities = RT_ELEMENTS(pGicDev->abIntrPriority);
|
---|
144 | AssertCompile(!(cPriorities % 16));
|
---|
145 | pHlp->pfnPrintf(pHlp, " Interrupt priorities:\n");
|
---|
146 | for (uint32_t i = 0; i < cPriorities; i += 16)
|
---|
147 | pHlp->pfnPrintf(pHlp, " IntId[%4u..%-4u] = %3u %3u %3u %3u %3u %3u %3u %3u"
|
---|
148 | " IntId[%4u..%-4u] = %3u %3u %3u %3u %3u %3u %3u %3u\n",
|
---|
149 | gicDistGetIntIdFromIndex(i), gicDistGetIntIdFromIndex(i + 7),
|
---|
150 | pGicDev->abIntrPriority[i], pGicDev->abIntrPriority[i + 1],
|
---|
151 | pGicDev->abIntrPriority[i + 2], pGicDev->abIntrPriority[i + 3],
|
---|
152 | pGicDev->abIntrPriority[i + 4], pGicDev->abIntrPriority[i + 5],
|
---|
153 | pGicDev->abIntrPriority[i + 6], pGicDev->abIntrPriority[i + 7],
|
---|
154 | gicDistGetIntIdFromIndex(i + 8), gicDistGetIntIdFromIndex(i + 15),
|
---|
155 | pGicDev->abIntrPriority[i + 8], pGicDev->abIntrPriority[i + 9],
|
---|
156 | pGicDev->abIntrPriority[i + 10], pGicDev->abIntrPriority[i + 11],
|
---|
157 | pGicDev->abIntrPriority[i + 12], pGicDev->abIntrPriority[i + 13],
|
---|
158 | pGicDev->abIntrPriority[i + 14], pGicDev->abIntrPriority[i + 15]);
|
---|
159 | }
|
---|
160 |
|
---|
161 | /* Interrupt routing.*/
|
---|
162 | {
|
---|
163 | /** @todo Interrupt rounting mode. */
|
---|
164 | uint32_t const cRouting = RT_ELEMENTS(pGicDev->au32IntrRouting);
|
---|
165 | AssertCompile(!(cRouting % 16));
|
---|
166 | pHlp->pfnPrintf(pHlp, " Interrupt routing:\n");
|
---|
167 | for (uint32_t i = 0; i < cRouting; i += 16)
|
---|
168 | pHlp->pfnPrintf(pHlp, " IntId[%4u..%-4u] = %3u %3u %3u %3u %3u %3u %3u %3u"
|
---|
169 | " IntId[%4u..%-4u] = %3u %3u %3u %3u %3u %3u %3u %3u\n",
|
---|
170 | gicDistGetIntIdFromIndex(i), gicDistGetIntIdFromIndex(i + 7),
|
---|
171 | pGicDev->au32IntrRouting[i], pGicDev->au32IntrRouting[i + 1],
|
---|
172 | pGicDev->au32IntrRouting[i + 2], pGicDev->au32IntrRouting[i + 3],
|
---|
173 | pGicDev->au32IntrRouting[i + 4], pGicDev->au32IntrRouting[i + 5],
|
---|
174 | pGicDev->au32IntrRouting[i + 6], pGicDev->au32IntrRouting[i + 7],
|
---|
175 | gicDistGetIntIdFromIndex(i + 8), gicDistGetIntIdFromIndex(i + 15),
|
---|
176 | pGicDev->au32IntrRouting[i + 8], pGicDev->au32IntrRouting[i + 9],
|
---|
177 | pGicDev->au32IntrRouting[i + 10], pGicDev->au32IntrRouting[i + 11],
|
---|
178 | pGicDev->au32IntrRouting[i + 12], pGicDev->au32IntrRouting[i + 13],
|
---|
179 | pGicDev->au32IntrRouting[i + 14], pGicDev->au32IntrRouting[i + 15]);
|
---|
180 | }
|
---|
181 |
|
---|
182 | #undef GIC_DBGFINFO_DIST_INTR_BITMAP
|
---|
183 | }
|
---|
184 |
|
---|
185 |
|
---|
186 | /**
|
---|
187 | * Dumps the GIC Redistributor information.
|
---|
188 | *
|
---|
189 | * @param pVM The cross context VM structure.
|
---|
190 | * @param pHlp The info helpers.
|
---|
191 | * @param pszArgs Arguments, ignored.
|
---|
192 | */
|
---|
193 | static DECLCALLBACK(void) gicR3InfoReDist(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
|
---|
194 | {
|
---|
195 | NOREF(pszArgs);
|
---|
196 | PVMCPU pVCpu = VMMGetCpu(pVM);
|
---|
197 | if (!pVCpu)
|
---|
198 | pVCpu = pVM->apCpusR3[0];
|
---|
199 |
|
---|
200 | PCGICCPU pGicCpu = VMCPU_TO_GICCPU(pVCpu);
|
---|
201 |
|
---|
202 | pHlp->pfnPrintf(pHlp, "VCPU[%u] Redistributor:\n", pVCpu->idCpu);
|
---|
203 | AssertCompile(RT_ELEMENTS(pGicCpu->bmIntrGroup) >= 3);
|
---|
204 | AssertCompile(RT_ELEMENTS(pGicCpu->bmIntrEnabled) >= 3);
|
---|
205 | AssertCompile(RT_ELEMENTS(pGicCpu->bmIntrPending) >= 3);
|
---|
206 | AssertCompile(RT_ELEMENTS(pGicCpu->bmIntrActive) >= 3);
|
---|
207 | pHlp->pfnPrintf(pHlp, " bmIntrGroup[0..2] = %#010x %#010x %#010x\n", pGicCpu->bmIntrGroup[0], pGicCpu->bmIntrGroup[1], pGicCpu->bmIntrGroup[2]);
|
---|
208 | pHlp->pfnPrintf(pHlp, " bmIntrEnabled[0..2] = %#010x %#010x %#010x\n", pGicCpu->bmIntrEnabled[0], pGicCpu->bmIntrEnabled[1], pGicCpu->bmIntrEnabled[2]);
|
---|
209 | pHlp->pfnPrintf(pHlp, " bmIntrPending[0..2] = %#010x %#010x %#010x\n", pGicCpu->bmIntrPending[0], pGicCpu->bmIntrPending[1], pGicCpu->bmIntrPending[2]);
|
---|
210 | pHlp->pfnPrintf(pHlp, " bmIntrActive[0..2] = %#010x %#010x %#010x\n", pGicCpu->bmIntrActive[0], pGicCpu->bmIntrActive[1], pGicCpu->bmIntrActive[2]);
|
---|
211 |
|
---|
212 | /* Interrupt priorities. */
|
---|
213 | {
|
---|
214 | uint32_t const cPriorities = RT_ELEMENTS(pGicCpu->abIntrPriority);
|
---|
215 | AssertCompile(!(cPriorities % 16));
|
---|
216 | pHlp->pfnPrintf(pHlp, " Interrupt priorities:\n");
|
---|
217 | for (uint32_t i = 0; i < cPriorities; i += 16)
|
---|
218 | pHlp->pfnPrintf(pHlp, " IntId[%4u..%-4u] = %3u %3u %3u %3u %3u %3u %3u %3u"
|
---|
219 | " IntId[%4u..%-4u] = %3u %3u %3u %3u %3u %3u %3u %3u\n",
|
---|
220 | gicReDistGetIntIdFromIndex(i), gicReDistGetIntIdFromIndex(i + 7),
|
---|
221 | pGicCpu->abIntrPriority[i], pGicCpu->abIntrPriority[i + 1],
|
---|
222 | pGicCpu->abIntrPriority[i + 2], pGicCpu->abIntrPriority[i + 3],
|
---|
223 | pGicCpu->abIntrPriority[i + 4], pGicCpu->abIntrPriority[i + 5],
|
---|
224 | pGicCpu->abIntrPriority[i + 6], pGicCpu->abIntrPriority[i + 7],
|
---|
225 | gicReDistGetIntIdFromIndex(i + 8), gicReDistGetIntIdFromIndex(i + 15),
|
---|
226 | pGicCpu->abIntrPriority[i + 8], pGicCpu->abIntrPriority[i + 9],
|
---|
227 | pGicCpu->abIntrPriority[i + 10], pGicCpu->abIntrPriority[i + 11],
|
---|
228 | pGicCpu->abIntrPriority[i + 12], pGicCpu->abIntrPriority[i + 13],
|
---|
229 | pGicCpu->abIntrPriority[i + 14], pGicCpu->abIntrPriority[i + 15]);
|
---|
230 | }
|
---|
231 |
|
---|
232 | pHlp->pfnPrintf(pHlp, "\nVCPU[%u] ICC system register state:\n", pVCpu->idCpu);
|
---|
233 | pHlp->pfnPrintf(pHlp, " uIccCtlr = %#RX64\n", pGicCpu->uIccCtlr);
|
---|
234 | pHlp->pfnPrintf(pHlp, " fIntrGroup0Enabled = %RTbool\n", pGicCpu->fIntrGroup0Enabled);
|
---|
235 | pHlp->pfnPrintf(pHlp, " fIntrGroup1Enabled = %RTbool\n", pGicCpu->fIntrGroup1Enabled);
|
---|
236 | pHlp->pfnPrintf(pHlp, " bBinaryPtGroup0 = %#x\n", pGicCpu->bBinaryPtGroup0);
|
---|
237 | pHlp->pfnPrintf(pHlp, " bBinaryPtGroup1 = %#x\n", pGicCpu->bBinaryPtGroup1);
|
---|
238 | pHlp->pfnPrintf(pHlp, " idxRunningPriority = %#x\n", pGicCpu->idxRunningPriority);
|
---|
239 | pHlp->pfnPrintf(pHlp, " Running priority = %#x\n", pGicCpu->abRunningPriorities[pGicCpu->idxRunningPriority]);
|
---|
240 |
|
---|
241 | /* Running interrupt priorities. */
|
---|
242 | {
|
---|
243 | uint32_t const cPriorities = RT_ELEMENTS(pGicCpu->abRunningPriorities);
|
---|
244 | AssertCompile(!(cPriorities % 16));
|
---|
245 | pHlp->pfnPrintf(pHlp, " Running-interrupt priorities:\n");
|
---|
246 | for (uint32_t i = 0; i < cPriorities; i += 16)
|
---|
247 | pHlp->pfnPrintf(pHlp, " [%3u..%-3u] = %3u %3u %3u %3u %3u %3u %3u %3u"
|
---|
248 | " [%3u..%-3u] = %3u %3u %3u %3u %3u %3u %3u %3u\n",
|
---|
249 | i, i + 7,
|
---|
250 | pGicCpu->abRunningPriorities[i], pGicCpu->abRunningPriorities[i + 1],
|
---|
251 | pGicCpu->abRunningPriorities[i + 2], pGicCpu->abRunningPriorities[i + 3],
|
---|
252 | pGicCpu->abRunningPriorities[i + 4], pGicCpu->abRunningPriorities[i + 5],
|
---|
253 | pGicCpu->abRunningPriorities[i + 6], pGicCpu->abRunningPriorities[i + 7],
|
---|
254 | i + 8, i + 15,
|
---|
255 | pGicCpu->abRunningPriorities[i + 8], pGicCpu->abRunningPriorities[i + 9],
|
---|
256 | pGicCpu->abRunningPriorities[i + 10], pGicCpu->abRunningPriorities[i + 11],
|
---|
257 | pGicCpu->abRunningPriorities[i + 12], pGicCpu->abRunningPriorities[i + 13],
|
---|
258 | pGicCpu->abRunningPriorities[i + 14], pGicCpu->abRunningPriorities[i + 15]);
|
---|
259 | }
|
---|
260 |
|
---|
261 | AssertCompile(RT_ELEMENTS(pGicCpu->bmActivePriorityGroup0) >= 4);
|
---|
262 | pHlp->pfnPrintf(pHlp, " Active-interrupt priorities Group 0:\n");
|
---|
263 | pHlp->pfnPrintf(pHlp, " [0..3] = %#010x %#010x %#010x %#010x\n",
|
---|
264 | pGicCpu->bmActivePriorityGroup0[0], pGicCpu->bmActivePriorityGroup0[1],
|
---|
265 | pGicCpu->bmActivePriorityGroup0[2], pGicCpu->bmActivePriorityGroup0[3]);
|
---|
266 | AssertCompile(RT_ELEMENTS(pGicCpu->bmActivePriorityGroup1) >= 4);
|
---|
267 | pHlp->pfnPrintf(pHlp, " Active-interrupt priorities Group 1:\n");
|
---|
268 | pHlp->pfnPrintf(pHlp, " [0..3] = %#010x %#010x %#010x %#010x\n",
|
---|
269 | pGicCpu->bmActivePriorityGroup1[0], pGicCpu->bmActivePriorityGroup1[1],
|
---|
270 | pGicCpu->bmActivePriorityGroup1[2], pGicCpu->bmActivePriorityGroup1[3]);
|
---|
271 | }
|
---|
272 |
|
---|
273 |
|
---|
274 | /**
|
---|
275 | * @copydoc FNSSMDEVSAVEEXEC
|
---|
276 | */
|
---|
277 | static DECLCALLBACK(int) gicR3SaveExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM)
|
---|
278 | {
|
---|
279 | PCVM pVM = PDMDevHlpGetVM(pDevIns);
|
---|
280 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
281 | PCGICDEV pGicDev = PDMDEVINS_2_DATA(pDevIns, PCGICDEV);
|
---|
282 | AssertPtrReturn(pVM, VERR_INVALID_VM_HANDLE);
|
---|
283 | LogFlowFunc(("\n"));
|
---|
284 |
|
---|
285 | /*
|
---|
286 | * Save per-VM data.
|
---|
287 | */
|
---|
288 | pHlp->pfnSSMPutU32(pSSM, pVM->cCpus);
|
---|
289 | pHlp->pfnSSMPutU8(pSSM, pGicDev->uArchRev);
|
---|
290 | pHlp->pfnSSMPutU8(pSSM, pGicDev->uMaxSpi);
|
---|
291 | pHlp->pfnSSMPutBool(pSSM, pGicDev->fExtSpi);
|
---|
292 | pHlp->pfnSSMPutU8(pSSM, pGicDev->uMaxExtSpi);
|
---|
293 | pHlp->pfnSSMPutBool(pSSM, pGicDev->fExtPpi);
|
---|
294 | pHlp->pfnSSMPutU8(pSSM, pGicDev->uMaxExtPpi);
|
---|
295 | pHlp->pfnSSMPutBool(pSSM, pGicDev->fRangeSel);
|
---|
296 | pHlp->pfnSSMPutBool(pSSM, pGicDev->fNmi);
|
---|
297 | pHlp->pfnSSMPutBool(pSSM, pGicDev->fMbi);
|
---|
298 | pHlp->pfnSSMPutBool(pSSM, pGicDev->fAff3Levels);
|
---|
299 |
|
---|
300 | /* Distributor state. */
|
---|
301 | pHlp->pfnSSMPutBool(pSSM, pGicDev->fIntrGroup0Enabled);
|
---|
302 | pHlp->pfnSSMPutBool(pSSM, pGicDev->fIntrGroup1Enabled);
|
---|
303 | pHlp->pfnSSMPutBool(pSSM, pGicDev->fAffRoutingEnabled);
|
---|
304 | pHlp->pfnSSMPutMem(pSSM, &pGicDev->bmIntrGroup[0], sizeof(pGicDev->bmIntrGroup));
|
---|
305 | pHlp->pfnSSMPutMem(pSSM, &pGicDev->bmIntrConfig[0], sizeof(pGicDev->bmIntrConfig));
|
---|
306 | pHlp->pfnSSMPutMem(pSSM, &pGicDev->bmIntrEnabled[0], sizeof(pGicDev->bmIntrEnabled));
|
---|
307 | pHlp->pfnSSMPutMem(pSSM, &pGicDev->bmIntrPending[0], sizeof(pGicDev->bmIntrPending));
|
---|
308 | pHlp->pfnSSMPutMem(pSSM, &pGicDev->bmIntrActive[0], sizeof(pGicDev->bmIntrActive));
|
---|
309 | pHlp->pfnSSMPutMem(pSSM, &pGicDev->abIntrPriority[0], sizeof(pGicDev->abIntrPriority));
|
---|
310 | pHlp->pfnSSMPutMem(pSSM, &pGicDev->au32IntrRouting[0], sizeof(pGicDev->au32IntrRouting));
|
---|
311 | pHlp->pfnSSMPutMem(pSSM, &pGicDev->bmIntrRoutingMode[0], sizeof(pGicDev->bmIntrRoutingMode));
|
---|
312 |
|
---|
313 | /*
|
---|
314 | * Save per-VCPU data.
|
---|
315 | */
|
---|
316 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
317 | {
|
---|
318 | PCGICCPU pGicCpu = VMCPU_TO_GICCPU(pVM->apCpusR3[idCpu]);
|
---|
319 | Assert(pGicCpu);
|
---|
320 |
|
---|
321 | /* Redistributor state. */
|
---|
322 | pHlp->pfnSSMPutMem(pSSM, &pGicCpu->bmIntrGroup[0], sizeof(pGicCpu->bmIntrGroup));
|
---|
323 | pHlp->pfnSSMPutMem(pSSM, &pGicCpu->bmIntrConfig[0], sizeof(pGicCpu->bmIntrConfig));
|
---|
324 | pHlp->pfnSSMPutMem(pSSM, &pGicCpu->bmIntrEnabled[0], sizeof(pGicCpu->bmIntrEnabled));
|
---|
325 | pHlp->pfnSSMPutMem(pSSM, &pGicCpu->bmIntrPending[0], sizeof(pGicCpu->bmIntrPending));
|
---|
326 | pHlp->pfnSSMPutMem(pSSM, &pGicCpu->bmIntrActive[0], sizeof(pGicCpu->bmIntrActive));
|
---|
327 | pHlp->pfnSSMPutMem(pSSM, &pGicCpu->abIntrPriority[0], sizeof(pGicCpu->abIntrPriority));
|
---|
328 |
|
---|
329 | /* ICC system register state. */
|
---|
330 | pHlp->pfnSSMPutU64(pSSM, pGicCpu->uIccCtlr);
|
---|
331 | pHlp->pfnSSMPutU8(pSSM, pGicCpu->bIntrPriorityMask);
|
---|
332 | pHlp->pfnSSMPutU8(pSSM, pGicCpu->idxRunningPriority);
|
---|
333 | pHlp->pfnSSMPutMem(pSSM, &pGicCpu->abRunningPriorities[0], sizeof(pGicCpu->abRunningPriorities));
|
---|
334 | pHlp->pfnSSMPutMem(pSSM, &pGicCpu->bmActivePriorityGroup0[0], sizeof(pGicCpu->bmActivePriorityGroup0));
|
---|
335 | pHlp->pfnSSMPutMem(pSSM, &pGicCpu->bmActivePriorityGroup1[0], sizeof(pGicCpu->bmActivePriorityGroup1));
|
---|
336 | pHlp->pfnSSMPutU8(pSSM, pGicCpu->bBinaryPtGroup0);
|
---|
337 | pHlp->pfnSSMPutU8(pSSM, pGicCpu->bBinaryPtGroup1);
|
---|
338 | pHlp->pfnSSMPutBool(pSSM, pGicCpu->fIntrGroup0Enabled);
|
---|
339 | pHlp->pfnSSMPutBool(pSSM, pGicCpu->fIntrGroup1Enabled);
|
---|
340 | }
|
---|
341 |
|
---|
342 | return pHlp->pfnSSMPutU32(pSSM, UINT32_MAX);
|
---|
343 | }
|
---|
344 |
|
---|
345 |
|
---|
346 | /**
|
---|
347 | * @copydoc FNSSMDEVLOADEXEC
|
---|
348 | */
|
---|
349 | static DECLCALLBACK(int) gicR3LoadExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
|
---|
350 | {
|
---|
351 | PVM pVM = PDMDevHlpGetVM(pDevIns);
|
---|
352 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
353 |
|
---|
354 | AssertPtrReturn(pVM, VERR_INVALID_VM_HANDLE);
|
---|
355 | AssertReturn(uPass == SSM_PASS_FINAL, VERR_WRONG_ORDER);
|
---|
356 | LogFlowFunc(("uVersion=%u uPass=%#x\n", uVersion, uPass));
|
---|
357 |
|
---|
358 | /*
|
---|
359 | * Validate supported saved-state versions.
|
---|
360 | */
|
---|
361 | if (uVersion != GIC_SAVED_STATE_VERSION)
|
---|
362 | return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Invalid saved-state version %u"), uVersion);
|
---|
363 |
|
---|
364 | /*
|
---|
365 | * Load per-VM data.
|
---|
366 | */
|
---|
367 | uint32_t cCpus;
|
---|
368 | pHlp->pfnSSMGetU32(pSSM, &cCpus);
|
---|
369 | if (cCpus != pVM->cCpus)
|
---|
370 | return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Config mismatch: cCpus: got=%u expected=%u"), cCpus, pVM->cCpus);
|
---|
371 |
|
---|
372 | PGICDEV pGicDev = PDMDEVINS_2_DATA(pDevIns, PGICDEV);
|
---|
373 | pHlp->pfnSSMGetU8(pSSM, &pGicDev->uArchRev);
|
---|
374 | pHlp->pfnSSMGetU8(pSSM, &pGicDev->uMaxSpi);
|
---|
375 | pHlp->pfnSSMGetBool(pSSM, &pGicDev->fExtSpi);
|
---|
376 | pHlp->pfnSSMGetU8(pSSM, &pGicDev->uMaxExtSpi);
|
---|
377 | pHlp->pfnSSMGetBool(pSSM, &pGicDev->fExtPpi);
|
---|
378 | pHlp->pfnSSMGetU8(pSSM, &pGicDev->uMaxExtPpi);
|
---|
379 | pHlp->pfnSSMGetBool(pSSM, &pGicDev->fRangeSel);
|
---|
380 | pHlp->pfnSSMGetBool(pSSM, &pGicDev->fNmi);
|
---|
381 | pHlp->pfnSSMGetBool(pSSM, &pGicDev->fMbi);
|
---|
382 | pHlp->pfnSSMGetBool(pSSM, &pGicDev->fAff3Levels);
|
---|
383 |
|
---|
384 | /* Distributor state. */
|
---|
385 | pHlp->pfnSSMGetBool(pSSM, &pGicDev->fIntrGroup0Enabled);
|
---|
386 | pHlp->pfnSSMGetBool(pSSM, &pGicDev->fIntrGroup1Enabled);
|
---|
387 | pHlp->pfnSSMGetBool(pSSM, &pGicDev->fAffRoutingEnabled);
|
---|
388 | pHlp->pfnSSMGetMem(pSSM, &pGicDev->bmIntrGroup[0], sizeof(pGicDev->bmIntrGroup));
|
---|
389 | pHlp->pfnSSMGetMem(pSSM, &pGicDev->bmIntrConfig[0], sizeof(pGicDev->bmIntrConfig));
|
---|
390 | pHlp->pfnSSMGetMem(pSSM, &pGicDev->bmIntrEnabled[0], sizeof(pGicDev->bmIntrEnabled));
|
---|
391 | pHlp->pfnSSMGetMem(pSSM, &pGicDev->bmIntrPending[0], sizeof(pGicDev->bmIntrPending));
|
---|
392 | pHlp->pfnSSMGetMem(pSSM, &pGicDev->bmIntrActive[0], sizeof(pGicDev->bmIntrActive));
|
---|
393 | pHlp->pfnSSMGetMem(pSSM, &pGicDev->abIntrPriority[0], sizeof(pGicDev->abIntrPriority));
|
---|
394 | pHlp->pfnSSMGetMem(pSSM, &pGicDev->au32IntrRouting[0], sizeof(pGicDev->au32IntrRouting));
|
---|
395 | pHlp->pfnSSMGetMem(pSSM, &pGicDev->bmIntrRoutingMode[0], sizeof(pGicDev->bmIntrRoutingMode));
|
---|
396 |
|
---|
397 | /*
|
---|
398 | * Load per-VCPU data.
|
---|
399 | */
|
---|
400 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
401 | {
|
---|
402 | PGICCPU pGicCpu = VMCPU_TO_GICCPU(pVM->apCpusR3[idCpu]);
|
---|
403 | Assert(pGicCpu);
|
---|
404 |
|
---|
405 | /* Redistributor state. */
|
---|
406 | pHlp->pfnSSMGetMem(pSSM, &pGicCpu->bmIntrGroup[0], sizeof(pGicCpu->bmIntrGroup));
|
---|
407 | pHlp->pfnSSMGetMem(pSSM, &pGicCpu->bmIntrConfig[0], sizeof(pGicCpu->bmIntrConfig));
|
---|
408 | pHlp->pfnSSMGetMem(pSSM, &pGicCpu->bmIntrEnabled[0], sizeof(pGicCpu->bmIntrEnabled));
|
---|
409 | pHlp->pfnSSMGetMem(pSSM, &pGicCpu->bmIntrPending[0], sizeof(pGicCpu->bmIntrPending));
|
---|
410 | pHlp->pfnSSMGetMem(pSSM, &pGicCpu->bmIntrActive[0], sizeof(pGicCpu->bmIntrActive));
|
---|
411 | pHlp->pfnSSMGetMem(pSSM, &pGicCpu->abIntrPriority[0], sizeof(pGicCpu->abIntrPriority));
|
---|
412 |
|
---|
413 | /* ICC system register state. */
|
---|
414 | pHlp->pfnSSMGetU64(pSSM, &pGicCpu->uIccCtlr);
|
---|
415 | pHlp->pfnSSMGetU8(pSSM, &pGicCpu->bIntrPriorityMask);
|
---|
416 | pHlp->pfnSSMGetU8(pSSM, &pGicCpu->idxRunningPriority);
|
---|
417 | pHlp->pfnSSMGetMem(pSSM, &pGicCpu->abRunningPriorities[0], sizeof(pGicCpu->abRunningPriorities));
|
---|
418 | pHlp->pfnSSMGetMem(pSSM, &pGicCpu->bmActivePriorityGroup0[0], sizeof(pGicCpu->bmActivePriorityGroup0));
|
---|
419 | pHlp->pfnSSMGetMem(pSSM, &pGicCpu->bmActivePriorityGroup1[0], sizeof(pGicCpu->bmActivePriorityGroup1));
|
---|
420 | pHlp->pfnSSMGetU8(pSSM, &pGicCpu->bBinaryPtGroup0);
|
---|
421 | pHlp->pfnSSMGetU8(pSSM, &pGicCpu->bBinaryPtGroup1);
|
---|
422 | pHlp->pfnSSMGetBool(pSSM, &pGicCpu->fIntrGroup0Enabled);
|
---|
423 | pHlp->pfnSSMGetBool(pSSM, &pGicCpu->fIntrGroup1Enabled);
|
---|
424 | }
|
---|
425 |
|
---|
426 | /*
|
---|
427 | * Check that we're still good wrt restored data.
|
---|
428 | */
|
---|
429 | int rc = pHlp->pfnSSMHandleGetStatus(pSSM);
|
---|
430 | AssertRCReturn(rc, rc);
|
---|
431 |
|
---|
432 | uint32_t uMarker = 0;
|
---|
433 | rc = pHlp->pfnSSMGetU32(pSSM, &uMarker);
|
---|
434 | AssertRCReturn(rc, rc);
|
---|
435 | if (uMarker == UINT32_MAX)
|
---|
436 | { /* likely */ }
|
---|
437 | else
|
---|
438 | return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Config mismatch: Marker: got=%u expected=%u"), uMarker, UINT32_MAX);
|
---|
439 |
|
---|
440 | /*
|
---|
441 | * Finally, perform sanity checks.
|
---|
442 | */
|
---|
443 | if (pGicDev->uArchRev <= GIC_DIST_REG_PIDR2_ARCH_REV_GICV4)
|
---|
444 | { /* likely */ }
|
---|
445 | else
|
---|
446 | return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Invalid uArchRev, got %u expected range [1,31]"), pGicDev->uArchRev,
|
---|
447 | GIC_DIST_REG_PIDR2_ARCH_REV_GICV1, GIC_DIST_REG_PIDR2_ARCH_REV_GICV4);
|
---|
448 | if (pGicDev->uMaxSpi - 1 < 31)
|
---|
449 | { /* likely */ }
|
---|
450 | else
|
---|
451 | return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Invalid MaxSpi, got %u expected range [1,31]"), pGicDev->uMaxSpi);
|
---|
452 | if (pGicDev->uMaxExtSpi <= 31)
|
---|
453 | { /* likely */ }
|
---|
454 | else
|
---|
455 | return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Invalid MaxExtSpi, got %u expected range [0,31]"), pGicDev->uMaxExtSpi);
|
---|
456 | if ( pGicDev->uMaxExtPpi == GIC_REDIST_REG_TYPER_PPI_NUM_MAX_1087
|
---|
457 | || pGicDev->uMaxExtPpi == GIC_REDIST_REG_TYPER_PPI_NUM_MAX_1119)
|
---|
458 | { /* likely */ }
|
---|
459 | else
|
---|
460 | return pHlp->pfnSSMSetCfgError(pSSM, RT_SRC_POS, N_("Invalid MaxExtPpi, got %u expected range [1,2]"), pGicDev->uMaxExtPpi);
|
---|
461 | return rc;
|
---|
462 | }
|
---|
463 |
|
---|
464 |
|
---|
465 | /**
|
---|
466 | * @interface_method_impl{PDMDEVREG,pfnReset}
|
---|
467 | */
|
---|
468 | DECLCALLBACK(void) gicR3Reset(PPDMDEVINS pDevIns)
|
---|
469 | {
|
---|
470 | PVM pVM = PDMDevHlpGetVM(pDevIns);
|
---|
471 | VM_ASSERT_EMT0(pVM);
|
---|
472 | VM_ASSERT_IS_NOT_RUNNING(pVM);
|
---|
473 |
|
---|
474 | LogFlow(("GIC: gicR3Reset\n"));
|
---|
475 |
|
---|
476 | gicReset(pDevIns);
|
---|
477 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
478 | {
|
---|
479 | PVMCPU pVCpuDest = pVM->apCpusR3[idCpu];
|
---|
480 | gicResetCpu(pDevIns, pVCpuDest);
|
---|
481 | }
|
---|
482 | }
|
---|
483 |
|
---|
484 |
|
---|
485 | /**
|
---|
486 | * @interface_method_impl{PDMDEVREG,pfnRelocate}
|
---|
487 | */
|
---|
488 | DECLCALLBACK(void) gicR3Relocate(PPDMDEVINS pDevIns, RTGCINTPTR offDelta)
|
---|
489 | {
|
---|
490 | RT_NOREF(pDevIns, offDelta);
|
---|
491 | }
|
---|
492 |
|
---|
493 |
|
---|
494 | /**
|
---|
495 | * @interface_method_impl{PDMDEVREG,pfnDestruct}
|
---|
496 | */
|
---|
497 | DECLCALLBACK(int) gicR3Destruct(PPDMDEVINS pDevIns)
|
---|
498 | {
|
---|
499 | LogFlowFunc(("pDevIns=%p\n", pDevIns));
|
---|
500 | PDMDEV_CHECK_VERSIONS_RETURN_QUIET(pDevIns);
|
---|
501 |
|
---|
502 | return VINF_SUCCESS;
|
---|
503 | }
|
---|
504 |
|
---|
505 |
|
---|
506 | /**
|
---|
507 | * @interface_method_impl{PDMDEVREG,pfnConstruct}
|
---|
508 | */
|
---|
509 | DECLCALLBACK(int) gicR3Construct(PPDMDEVINS pDevIns, int iInstance, PCFGMNODE pCfg)
|
---|
510 | {
|
---|
511 | PDMDEV_CHECK_VERSIONS_RETURN(pDevIns);
|
---|
512 | PGICDEV pGicDev = PDMDEVINS_2_DATA(pDevIns, PGICDEV);
|
---|
513 | PCPDMDEVHLPR3 pHlp = pDevIns->pHlpR3;
|
---|
514 | PVM pVM = PDMDevHlpGetVM(pDevIns);
|
---|
515 | PGIC pGic = VM_TO_GIC(pVM);
|
---|
516 | Assert(iInstance == 0); NOREF(iInstance);
|
---|
517 |
|
---|
518 | /*
|
---|
519 | * Init the data.
|
---|
520 | */
|
---|
521 | pGic->pDevInsR3 = pDevIns;
|
---|
522 |
|
---|
523 | /*
|
---|
524 | * Validate GIC settings.
|
---|
525 | */
|
---|
526 | PDMDEV_VALIDATE_CONFIG_RETURN(pDevIns, "DistributorMmioBase|RedistributorMmioBase|ItsMmioBase"
|
---|
527 | "|ArchRev"
|
---|
528 | "|MaxSpi"
|
---|
529 | "|ExtSpi"
|
---|
530 | "|MaxExtSpi"
|
---|
531 | "|ExtPpi"
|
---|
532 | "|MaxExtPpi"
|
---|
533 | "|RangeSel"
|
---|
534 | "|Nmi"
|
---|
535 | "|Mbi"
|
---|
536 | "|Aff3Levels", "");
|
---|
537 |
|
---|
538 | #if 0
|
---|
539 | /*
|
---|
540 | * Disable automatic PDM locking for this device.
|
---|
541 | */
|
---|
542 | int rc = PDMDevHlpSetDeviceCritSect(pDevIns, PDMDevHlpCritSectGetNop(pDevIns));
|
---|
543 | AssertRCReturn(rc, rc);
|
---|
544 | #endif
|
---|
545 |
|
---|
546 | /** @devcfgm{gic, ArchRev, uint8_t, 3}
|
---|
547 | * Configures the GIC architecture revision (GICD_PIDR2.ArchRev and
|
---|
548 | * GICR_PIDR2.ArchRev).
|
---|
549 | *
|
---|
550 | * Currently we only support GICv3. */
|
---|
551 | int rc = pHlp->pfnCFGMQueryU8Def(pCfg, "ArchRev", &pGicDev->uArchRev, 3);
|
---|
552 | AssertLogRelRCReturn(rc, rc);
|
---|
553 | if (pGicDev->uArchRev == 3)
|
---|
554 | { /* likely */ }
|
---|
555 | else
|
---|
556 | return PDMDevHlpVMSetError(pDevIns, VERR_INVALID_PARAMETER, RT_SRC_POS,
|
---|
557 | N_("Configuration error: \"ArchRev\" value %u is not supported"), pGicDev->uArchRev);
|
---|
558 |
|
---|
559 | /** @devcfgm{gic, MaxSpi, uint8_t, 31}
|
---|
560 | * Configures GICD_TYPER.ItLinesNumber.
|
---|
561 | *
|
---|
562 | * For the IntId range [32,1023], configures the maximum SPI supported. Valid values
|
---|
563 | * are [1,31] which equates to interrupt IDs [63,1023]. A value of 0 implies SPIs
|
---|
564 | * are not supported. We don't allow configuring this value as it's expected that
|
---|
565 | * most guests would assume support for SPIs. */
|
---|
566 | AssertCompile(GIC_DIST_REG_TYPER_NUM_ITLINES == 31);
|
---|
567 | rc = pHlp->pfnCFGMQueryU8Def(pCfg, "MaxSpi", &pGicDev->uMaxSpi, 31 /* Upto and incl. IntId 1023 */);
|
---|
568 | AssertLogRelRCReturn(rc, rc);
|
---|
569 | if (pGicDev->uMaxSpi - 1 < 31)
|
---|
570 | { /* likely */ }
|
---|
571 | else
|
---|
572 | return PDMDevHlpVMSetError(pDevIns, VERR_INVALID_PARAMETER, RT_SRC_POS,
|
---|
573 | N_("Configuration error: \"MaxSpi\" must be in the range [1,%u]"),
|
---|
574 | GIC_DIST_REG_TYPER_NUM_ITLINES);
|
---|
575 |
|
---|
576 | /** @devcfgm{gic, ExtSpi, bool, false}
|
---|
577 | * Configures whether extended SPIs supported is enabled (GICD_TYPER.ESPI). */
|
---|
578 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "ExtSpi", &pGicDev->fExtSpi, true);
|
---|
579 | AssertLogRelRCReturn(rc, rc);
|
---|
580 |
|
---|
581 | /** @devcfgm{gic, MaxExtSpi, uint8_t, 31}
|
---|
582 | * Configures GICD_TYPER.ESPI_range.
|
---|
583 | *
|
---|
584 | * For the extended SPI range [4096,5119], configures the maximum extended SPI
|
---|
585 | * supported. Valid values are [0,31] which equates to extended SPI IntIds
|
---|
586 | * [4127,5119]. This is ignored (set to 0 in the register) when extended SPIs are
|
---|
587 | * disabled. */
|
---|
588 | AssertCompile(GIC_DIST_REG_TYPER_ESPI_RANGE >> GIC_DIST_REG_TYPER_ESPI_RANGE_BIT == 31);
|
---|
589 | rc = pHlp->pfnCFGMQueryU8Def(pCfg, "MaxExtSpi", &pGicDev->uMaxExtSpi, 31);
|
---|
590 | AssertLogRelRCReturn(rc, rc);
|
---|
591 | if (pGicDev->uMaxExtSpi <= 31)
|
---|
592 | { /* likely */ }
|
---|
593 | else
|
---|
594 | return PDMDevHlpVMSetError(pDevIns, VERR_INVALID_PARAMETER, RT_SRC_POS,
|
---|
595 | N_("Configuration error: \"MaxExtSpi\" must be in the range [0,31]"));
|
---|
596 |
|
---|
597 | /** @devcfgm{gic, ExtPpi, bool, true}
|
---|
598 | * Configures whether extended PPIs support is enabled. */
|
---|
599 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "ExtPpi", &pGicDev->fExtPpi, true);
|
---|
600 | AssertLogRelRCReturn(rc, rc);
|
---|
601 |
|
---|
602 | /** @devcfgm{gic, MaxExtPpi, uint8_t, 2}
|
---|
603 | * Configures GICR_TYPER.PPInum.
|
---|
604 | *
|
---|
605 | * For the extended PPI range [1056,5119], configures the maximum extended PPI
|
---|
606 | * supported. Valid values are [1,2] which equates to extended PPI IntIds
|
---|
607 | * [1087,1119]. This is unused when extended PPIs are disabled. */
|
---|
608 | rc = pHlp->pfnCFGMQueryU8Def(pCfg, "MaxExtPpi", &pGicDev->uMaxExtPpi, 2);
|
---|
609 | AssertLogRelRCReturn(rc, rc);
|
---|
610 | if ( pGicDev->uMaxExtPpi == GIC_REDIST_REG_TYPER_PPI_NUM_MAX_1087
|
---|
611 | || pGicDev->uMaxExtPpi == GIC_REDIST_REG_TYPER_PPI_NUM_MAX_1119)
|
---|
612 | { /* likely */ }
|
---|
613 | else
|
---|
614 | return PDMDevHlpVMSetError(pDevIns, VERR_INVALID_PARAMETER, RT_SRC_POS,
|
---|
615 | N_("Configuration error: \"MaxExtPpi\" must be in the range [0,2]"));
|
---|
616 |
|
---|
617 | /** @devcfgm{gic, RangeSelSupport, bool, true}
|
---|
618 | * Configures whether range-selector support is enabled (GICD_TYPER.RSS and
|
---|
619 | * ICC_CTLR_EL1.RSS). */
|
---|
620 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "RangeSel", &pGicDev->fRangeSel, true);
|
---|
621 | AssertLogRelRCReturn(rc, rc);
|
---|
622 |
|
---|
623 | /** @devcfgm{gic, Nmi, bool, false}
|
---|
624 | * Configures whether non-maskable interrupts (NMIs) are supported
|
---|
625 | * (GICD_TYPER.NMI). */
|
---|
626 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "Nmi", &pGicDev->fNmi, false);
|
---|
627 | AssertLogRelRCReturn(rc, rc);
|
---|
628 |
|
---|
629 | /** @devcfgm{gic, Mbi, bool, true}
|
---|
630 | * Configures whether message-based interrupts (MBIs) are supported
|
---|
631 | * (GICD_TYPER.MBIS). */
|
---|
632 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "Mbi", &pGicDev->fMbi, true);
|
---|
633 | AssertLogRelRCReturn(rc, rc);
|
---|
634 |
|
---|
635 | /** @devcfgm{gic, Aff3Levels, bool, true}
|
---|
636 | * Configures whether non-zero affinity 3 levels (A3V) are supported
|
---|
637 | * (GICD_TYPER.A3V) and (ICC_CTLR.A3V). */
|
---|
638 | rc = pHlp->pfnCFGMQueryBoolDef(pCfg, "Aff3Levels", &pGicDev->fAff3Levels, true);
|
---|
639 | AssertLogRelRCReturn(rc, rc);
|
---|
640 |
|
---|
641 | /*
|
---|
642 | * Register the GIC with PDM.
|
---|
643 | */
|
---|
644 | rc = PDMDevHlpIcRegister(pDevIns);
|
---|
645 | AssertLogRelRCReturn(rc, rc);
|
---|
646 |
|
---|
647 | rc = PDMGicRegisterBackend(pVM, PDMGICBACKENDTYPE_VBOX, &g_GicBackend);
|
---|
648 | AssertLogRelRCReturn(rc, rc);
|
---|
649 |
|
---|
650 | /*
|
---|
651 | * Insert the GIC system registers.
|
---|
652 | */
|
---|
653 | for (uint32_t i = 0; i < RT_ELEMENTS(g_aSysRegRanges_GIC); i++)
|
---|
654 | {
|
---|
655 | rc = CPUMR3SysRegRangesInsert(pVM, &g_aSysRegRanges_GIC[i]);
|
---|
656 | AssertLogRelRCReturn(rc, rc);
|
---|
657 | }
|
---|
658 |
|
---|
659 | /*
|
---|
660 | * Register the MMIO ranges.
|
---|
661 | */
|
---|
662 | RTGCPHYS GCPhysMmioBase = 0;
|
---|
663 | rc = pHlp->pfnCFGMQueryU64(pCfg, "DistributorMmioBase", &GCPhysMmioBase);
|
---|
664 | if (RT_FAILURE(rc))
|
---|
665 | return PDMDEV_SET_ERROR(pDevIns, rc,
|
---|
666 | N_("Configuration error: Failed to get the \"DistributorMmioBase\" value"));
|
---|
667 |
|
---|
668 | rc = PDMDevHlpMmioCreateAndMap(pDevIns, GCPhysMmioBase, GIC_DIST_REG_FRAME_SIZE, gicDistMmioWrite, gicDistMmioRead,
|
---|
669 | IOMMMIO_FLAGS_READ_DWORD | IOMMMIO_FLAGS_WRITE_DWORD_ZEROED, "GIC_Dist", &pGicDev->hMmioDist);
|
---|
670 | AssertRCReturn(rc, rc);
|
---|
671 |
|
---|
672 | rc = pHlp->pfnCFGMQueryU64(pCfg, "RedistributorMmioBase", &GCPhysMmioBase);
|
---|
673 | if (RT_FAILURE(rc))
|
---|
674 | return PDMDEV_SET_ERROR(pDevIns, rc,
|
---|
675 | N_("Configuration error: Failed to get the \"RedistributorMmioBase\" value"));
|
---|
676 |
|
---|
677 | RTGCPHYS const cbRegion = (RTGCPHYS)pVM->cCpus
|
---|
678 | * (GIC_REDIST_REG_FRAME_SIZE + GIC_REDIST_SGI_PPI_REG_FRAME_SIZE); /* Adjacent and per vCPU. */
|
---|
679 | rc = PDMDevHlpMmioCreateAndMap(pDevIns, GCPhysMmioBase, cbRegion, gicReDistMmioWrite, gicReDistMmioRead,
|
---|
680 | IOMMMIO_FLAGS_READ_DWORD | IOMMMIO_FLAGS_WRITE_DWORD_ZEROED, "GIC_ReDist", &pGicDev->hMmioReDist);
|
---|
681 | AssertRCReturn(rc, rc);
|
---|
682 |
|
---|
683 | /*
|
---|
684 | * Register saved state callbacks.
|
---|
685 | */
|
---|
686 | rc = PDMDevHlpSSMRegister(pDevIns, GIC_SAVED_STATE_VERSION, 0, gicR3SaveExec, gicR3LoadExec);
|
---|
687 | AssertRCReturn(rc, rc);
|
---|
688 |
|
---|
689 | /*
|
---|
690 | * Register debugger info callbacks.
|
---|
691 | *
|
---|
692 | * We use separate callbacks rather than arguments so they can also be
|
---|
693 | * dumped in an automated fashion while collecting crash diagnostics and
|
---|
694 | * not just used during live debugging via the VM debugger.
|
---|
695 | */
|
---|
696 | DBGFR3InfoRegisterInternalEx(pVM, "gic", "Dumps GIC basic information.", gicR3Info, DBGFINFO_FLAGS_ALL_EMTS);
|
---|
697 | DBGFR3InfoRegisterInternalEx(pVM, "gicdist", "Dumps GIC distributor information.", gicR3InfoDist, DBGFINFO_FLAGS_ALL_EMTS);
|
---|
698 | DBGFR3InfoRegisterInternalEx(pVM, "gicredist", "Dumps GIC redistributor information.", gicR3InfoReDist, DBGFINFO_FLAGS_ALL_EMTS);
|
---|
699 |
|
---|
700 | /*
|
---|
701 | * Statistics.
|
---|
702 | */
|
---|
703 | #ifdef VBOX_WITH_STATISTICS
|
---|
704 | # define GIC_REG_COUNTER(a_pvReg, a_pszNameFmt, a_pszDesc) \
|
---|
705 | PDMDevHlpSTAMRegisterF(pDevIns, a_pvReg, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, \
|
---|
706 | a_pszDesc, a_pszNameFmt, idCpu)
|
---|
707 | # define GIC_PROF_COUNTER(a_pvReg, a_pszNameFmt, a_pszDesc) \
|
---|
708 | PDMDevHlpSTAMRegisterF(pDevIns, a_pvReg, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, STAMUNIT_TICKS_PER_CALL, \
|
---|
709 | a_pszDesc, a_pszNameFmt, idCpu)
|
---|
710 |
|
---|
711 | for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++)
|
---|
712 | {
|
---|
713 | PVMCPU pVCpu = pVM->apCpusR3[idCpu];
|
---|
714 | PGICCPU pGicCpu = VMCPU_TO_GICCPU(pVCpu);
|
---|
715 |
|
---|
716 | GIC_REG_COUNTER(&pGicCpu->StatMmioReadR3, "%u/MmioRead", "Number of MMIO reads in R3.");
|
---|
717 | GIC_REG_COUNTER(&pGicCpu->StatMmioWriteR3, "%u/MmioWrite", "Number of MMIO writes in R3.");
|
---|
718 | GIC_REG_COUNTER(&pGicCpu->StatSysRegReadR3, "%u/SysRegRead", "Number of system register reads in R3.");
|
---|
719 | GIC_REG_COUNTER(&pGicCpu->StatSysRegWriteR3, "%u/SysRegWrite", "Number of system register writes in R3.");
|
---|
720 | GIC_REG_COUNTER(&pGicCpu->StatSetSpiR3, "%u/SetSpi", "Number of set SPI callbacks in R3.");
|
---|
721 | GIC_REG_COUNTER(&pGicCpu->StatSetPpiR3, "%u/SetPpi", "Number of set PPI callbacks in R3.");
|
---|
722 | GIC_REG_COUNTER(&pGicCpu->StatSetSgiR3, "%u/SetSgi", "Number of SGIs generated in R3.");
|
---|
723 |
|
---|
724 | GIC_PROF_COUNTER(&pGicCpu->StatProfIntrAckR3, "%u/Prof/IntrAck", "Profiling of interrupt acknowledge (IAR) in R3.");
|
---|
725 | GIC_PROF_COUNTER(&pGicCpu->StatProfSetSpiR3, "%u/Prof/SetSpi", "Profiling of set SPI callback in R3.");
|
---|
726 | GIC_PROF_COUNTER(&pGicCpu->StatProfSetPpiR3, "%u/Prof/SetPpi", "Profiling of set PPI callback in R3.");
|
---|
727 | GIC_PROF_COUNTER(&pGicCpu->StatProfSetSgiR3, "%u/Prof/SetSgi", "Profiling of SGIs generated in R3.");
|
---|
728 | }
|
---|
729 | # undef GIC_REG_COUNTER
|
---|
730 | # undef GIC_PROF_COUNTER
|
---|
731 | #endif
|
---|
732 |
|
---|
733 | gicR3Reset(pDevIns);
|
---|
734 |
|
---|
735 | /*
|
---|
736 | * Log features/config.
|
---|
737 | */
|
---|
738 | uint8_t const uArchRev = pGicDev->uArchRev;
|
---|
739 | uint8_t const uMaxSpi = pGicDev->uMaxSpi;
|
---|
740 | bool const fExtSpi = pGicDev->fExtSpi;
|
---|
741 | uint8_t const uMaxExtSpi = pGicDev->uMaxExtSpi;
|
---|
742 | bool const fExtPpi = pGicDev->fExtPpi;
|
---|
743 | uint8_t const uMaxExtPpi = pGicDev->uMaxExtPpi;
|
---|
744 | bool const fRangeSel = pGicDev->fRangeSel;
|
---|
745 | bool const fNmi = pGicDev->fNmi;
|
---|
746 | bool const fMbi = pGicDev->fMbi;
|
---|
747 | bool const fAff3Levels = pGicDev->fAff3Levels;
|
---|
748 | uint16_t const uExtPpiLast = uMaxExtPpi == GIC_REDIST_REG_TYPER_PPI_NUM_MAX_1087 ? 1087 : GIC_INTID_RANGE_EXT_PPI_LAST;
|
---|
749 | LogRel(("GIC: ArchRev=%u RangeSel=%RTbool Nmi=%RTbool Mbi=%RTbool Aff3Levels=%RTbool\n",
|
---|
750 | uArchRev, fRangeSel, fNmi, fMbi, fAff3Levels));
|
---|
751 | LogRel(("GIC: SPIs=true (%u:32..%u) ExtSPIs=%RTbool (%u:4095..%u) ExtPPIs=%RTbool (%u:1056..%u)\n",
|
---|
752 | uMaxSpi, 32 * (uMaxSpi + 1),
|
---|
753 | fExtSpi, uMaxExtSpi, GIC_INTID_RANGE_EXT_SPI_START - 1 + 32 * (uMaxExtSpi + 1),
|
---|
754 | fExtPpi, uMaxExtPpi, uExtPpiLast));
|
---|
755 | return VINF_SUCCESS;
|
---|
756 | }
|
---|
757 |
|
---|
758 | #endif /* !VBOX_DEVICE_STRUCT_TESTCASE */
|
---|
759 |
|
---|