| 1 | /* $Id: tstMMHyperHeap.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * MM Hypervisor Heap testcase.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2020 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 | #include <VBox/vmm/mm.h>
|
|---|
| 23 | #include <VBox/vmm/stam.h>
|
|---|
| 24 | #include <VBox/vmm/vm.h>
|
|---|
| 25 | #include <VBox/vmm/uvm.h>
|
|---|
| 26 | #include <VBox/vmm/gvm.h>
|
|---|
| 27 | #include <VBox/sup.h>
|
|---|
| 28 | #include <VBox/param.h>
|
|---|
| 29 | #include <iprt/errcore.h>
|
|---|
| 30 |
|
|---|
| 31 | #include <VBox/log.h>
|
|---|
| 32 | #include <iprt/initterm.h>
|
|---|
| 33 | #include <iprt/mem.h>
|
|---|
| 34 | #include <iprt/assert.h>
|
|---|
| 35 | #include <iprt/stream.h>
|
|---|
| 36 | #include <iprt/string.h>
|
|---|
| 37 |
|
|---|
| 38 | #define NUM_CPUS 16
|
|---|
| 39 |
|
|---|
| 40 | #define OUTPUT(a) do { Log(a); RTPrintf a; } while (0)
|
|---|
| 41 |
|
|---|
| 42 | /**
|
|---|
| 43 | * Entry point.
|
|---|
| 44 | */
|
|---|
| 45 | extern "C" DECLEXPORT(int) TrustedMain(int argc, char **argv, char **envp)
|
|---|
| 46 | {
|
|---|
| 47 | RT_NOREF1(envp);
|
|---|
| 48 |
|
|---|
| 49 | /*
|
|---|
| 50 | * Init runtime.
|
|---|
| 51 | */
|
|---|
| 52 | int rc = RTR3InitExe(argc, &argv, 0);
|
|---|
| 53 | AssertRCReturn(rc, RTEXITCODE_INIT);
|
|---|
| 54 |
|
|---|
| 55 | /*
|
|---|
| 56 | * Create empty VM structure and call MMR3Init().
|
|---|
| 57 | */
|
|---|
| 58 | void *pvVM = NULL;
|
|---|
| 59 | RTR0PTR pvR0 = NIL_RTR0PTR;
|
|---|
| 60 | SUPPAGE aPages[(sizeof(GVM) + NUM_CPUS * sizeof(GVMCPU)) >> PAGE_SHIFT];
|
|---|
| 61 | rc = SUPR3Init(NULL);
|
|---|
| 62 | if (RT_FAILURE(rc))
|
|---|
| 63 | {
|
|---|
| 64 | RTPrintf("Fatal error: SUP failure! rc=%Rrc\n", rc);
|
|---|
| 65 | return RTEXITCODE_FAILURE;
|
|---|
| 66 | }
|
|---|
| 67 | rc = SUPR3PageAllocEx(RT_ELEMENTS(aPages), 0, &pvVM, &pvR0, &aPages[0]);
|
|---|
| 68 | if (RT_FAILURE(rc))
|
|---|
| 69 | {
|
|---|
| 70 | RTPrintf("Fatal error: Allocation failure! rc=%Rrc\n", rc);
|
|---|
| 71 | return RTEXITCODE_FAILURE;
|
|---|
| 72 | }
|
|---|
| 73 | RT_BZERO(pvVM, RT_ELEMENTS(aPages) * PAGE_SIZE); /* SUPR3PageAllocEx doesn't necessarily zero the memory. */
|
|---|
| 74 | PVM pVM = (PVM)pvVM;
|
|---|
| 75 | pVM->paVMPagesR3 = aPages;
|
|---|
| 76 | pVM->pVMR0ForCall = pvR0;
|
|---|
| 77 |
|
|---|
| 78 | PUVM pUVM = (PUVM)RTMemPageAllocZ(RT_ALIGN_Z(sizeof(*pUVM), PAGE_SIZE));
|
|---|
| 79 | if (!pUVM)
|
|---|
| 80 | {
|
|---|
| 81 | RTPrintf("Fatal error: RTMEmPageAllocZ failed\n");
|
|---|
| 82 | return RTEXITCODE_FAILURE;
|
|---|
| 83 | }
|
|---|
| 84 | pUVM->u32Magic = UVM_MAGIC;
|
|---|
| 85 | pUVM->pVM = pVM;
|
|---|
| 86 | pVM->pUVM = pUVM;
|
|---|
| 87 |
|
|---|
| 88 | pVM->cCpus = NUM_CPUS;
|
|---|
| 89 | pVM->cbSelf = sizeof(VM);
|
|---|
| 90 | pVM->cbVCpu = sizeof(VMCPU);
|
|---|
| 91 | PVMCPU pVCpu = (PVMCPU)((uintptr_t)pVM + sizeof(GVM));
|
|---|
| 92 | for (VMCPUID idCpu = 0; idCpu < NUM_CPUS; idCpu++)
|
|---|
| 93 | {
|
|---|
| 94 | pVM->apCpusR3[idCpu] = pVCpu;
|
|---|
| 95 | pVCpu = (PVMCPU)((uintptr_t)pVCpu + sizeof(GVMCPU));
|
|---|
| 96 | }
|
|---|
| 97 |
|
|---|
| 98 | rc = STAMR3InitUVM(pUVM);
|
|---|
| 99 | if (RT_FAILURE(rc))
|
|---|
| 100 | {
|
|---|
| 101 | RTPrintf("FAILURE: STAMR3Init failed. rc=%Rrc\n", rc);
|
|---|
| 102 | return 1;
|
|---|
| 103 | }
|
|---|
| 104 |
|
|---|
| 105 | rc = MMR3InitUVM(pUVM);
|
|---|
| 106 | if (RT_FAILURE(rc))
|
|---|
| 107 | {
|
|---|
| 108 | RTPrintf("FAILURE: STAMR3Init failed. rc=%Rrc\n", rc);
|
|---|
| 109 | return 1;
|
|---|
| 110 | }
|
|---|
| 111 |
|
|---|
| 112 | rc = CFGMR3Init(pVM, NULL, NULL);
|
|---|
| 113 | if (RT_FAILURE(rc))
|
|---|
| 114 | {
|
|---|
| 115 | RTPrintf("FAILURE: CFGMR3Init failed. rc=%Rrc\n", rc);
|
|---|
| 116 | return 1;
|
|---|
| 117 | }
|
|---|
| 118 |
|
|---|
| 119 | rc = MMR3Init(pVM);
|
|---|
| 120 | if (RT_FAILURE(rc))
|
|---|
| 121 | {
|
|---|
| 122 | RTPrintf("Fatal error: MMR3Init failed! rc=%Rrc\n", rc);
|
|---|
| 123 | return 1;
|
|---|
| 124 | }
|
|---|
| 125 |
|
|---|
| 126 | /*
|
|---|
| 127 | * Try allocate.
|
|---|
| 128 | */
|
|---|
| 129 | static struct
|
|---|
| 130 | {
|
|---|
| 131 | size_t cb;
|
|---|
| 132 | unsigned uAlignment;
|
|---|
| 133 | void *pvAlloc;
|
|---|
| 134 | unsigned iFreeOrder;
|
|---|
| 135 | } aOps[] =
|
|---|
| 136 | {
|
|---|
| 137 | { 16, 0, NULL, 0 },
|
|---|
| 138 | { 16, 4, NULL, 1 },
|
|---|
| 139 | { 16, 8, NULL, 2 },
|
|---|
| 140 | { 16, 16, NULL, 5 },
|
|---|
| 141 | { 16, 32, NULL, 4 },
|
|---|
| 142 | { 32, 0, NULL, 3 },
|
|---|
| 143 | { 31, 0, NULL, 6 },
|
|---|
| 144 | { 1024, 0, NULL, 8 },
|
|---|
| 145 | { 1024, 32, NULL, 10 },
|
|---|
| 146 | { 1024, 32, NULL, 12 },
|
|---|
| 147 | { PAGE_SIZE, PAGE_SIZE, NULL, 13 },
|
|---|
| 148 | { 1024, 32, NULL, 9 },
|
|---|
| 149 | { PAGE_SIZE, 32, NULL, 11 },
|
|---|
| 150 | { PAGE_SIZE, PAGE_SIZE, NULL, 14 },
|
|---|
| 151 | { 16, 0, NULL, 15 },
|
|---|
| 152 | { 9, 0, NULL, 7 },
|
|---|
| 153 | { 16, 0, NULL, 7 },
|
|---|
| 154 | { 36, 0, NULL, 7 },
|
|---|
| 155 | { 16, 0, NULL, 7 },
|
|---|
| 156 | { 12344, 0, NULL, 7 },
|
|---|
| 157 | { 50, 0, NULL, 7 },
|
|---|
| 158 | { 16, 0, NULL, 7 },
|
|---|
| 159 | };
|
|---|
| 160 | unsigned i;
|
|---|
| 161 | #ifdef DEBUG
|
|---|
| 162 | MMHyperHeapDump(pVM);
|
|---|
| 163 | #endif
|
|---|
| 164 | size_t cbBefore = MMHyperHeapGetFreeSize(pVM);
|
|---|
| 165 | static char szFill[] = "01234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
|---|
| 166 |
|
|---|
| 167 | /* allocate */
|
|---|
| 168 | for (i = 0; i < RT_ELEMENTS(aOps); i++)
|
|---|
| 169 | {
|
|---|
| 170 | rc = MMHyperAlloc(pVM, aOps[i].cb, aOps[i].uAlignment, MM_TAG_VM, &aOps[i].pvAlloc);
|
|---|
| 171 | if (RT_FAILURE(rc))
|
|---|
| 172 | {
|
|---|
| 173 | RTPrintf("Failure: MMHyperAlloc(, %#x, %#x,) -> %d i=%d\n", aOps[i].cb, aOps[i].uAlignment, rc, i);
|
|---|
| 174 | return 1;
|
|---|
| 175 | }
|
|---|
| 176 | memset(aOps[i].pvAlloc, szFill[i], aOps[i].cb);
|
|---|
| 177 | if (RT_ALIGN_P(aOps[i].pvAlloc, (aOps[i].uAlignment ? aOps[i].uAlignment : 8)) != aOps[i].pvAlloc)
|
|---|
| 178 | {
|
|---|
| 179 | RTPrintf("Failure: MMHyperAlloc(, %#x, %#x,) -> %p, invalid alignment!\n", aOps[i].cb, aOps[i].uAlignment, aOps[i].pvAlloc);
|
|---|
| 180 | return 1;
|
|---|
| 181 | }
|
|---|
| 182 | }
|
|---|
| 183 |
|
|---|
| 184 | /* free and allocate the same node again. */
|
|---|
| 185 | #ifdef DEBUG
|
|---|
| 186 | MMHyperHeapDump(pVM);
|
|---|
| 187 | #endif
|
|---|
| 188 | for (i = 0; i < RT_ELEMENTS(aOps); i++)
|
|---|
| 189 | {
|
|---|
| 190 | if ( !aOps[i].pvAlloc
|
|---|
| 191 | || aOps[i].uAlignment == PAGE_SIZE)
|
|---|
| 192 | continue;
|
|---|
| 193 | size_t cbBeforeSub = MMHyperHeapGetFreeSize(pVM);
|
|---|
| 194 | rc = MMHyperFree(pVM, aOps[i].pvAlloc);
|
|---|
| 195 | if (RT_FAILURE(rc))
|
|---|
| 196 | {
|
|---|
| 197 | RTPrintf("Failure: MMHyperFree(, %p,) -> %d i=%d\n", aOps[i].pvAlloc, rc, i);
|
|---|
| 198 | return 1;
|
|---|
| 199 | }
|
|---|
| 200 | size_t const cbFreed = MMHyperHeapGetFreeSize(pVM);
|
|---|
| 201 | void *pv;
|
|---|
| 202 | rc = MMHyperAlloc(pVM, aOps[i].cb, aOps[i].uAlignment, MM_TAG_VM_REQ, &pv);
|
|---|
| 203 | if (RT_FAILURE(rc))
|
|---|
| 204 | {
|
|---|
| 205 | RTPrintf("Failure: MMHyperAlloc(, %#x, %#x,) -> %d i=%d\n", aOps[i].cb, aOps[i].uAlignment, rc, i);
|
|---|
| 206 | return 1;
|
|---|
| 207 | }
|
|---|
| 208 | if (pv != aOps[i].pvAlloc)
|
|---|
| 209 | {
|
|---|
| 210 | RTPrintf("Failure: Free+Alloc returned different address. new=%p old=%p i=%d (doesn't work with delayed free)\n", pv, aOps[i].pvAlloc, i);
|
|---|
| 211 | //return 1;
|
|---|
| 212 | }
|
|---|
| 213 | aOps[i].pvAlloc = pv;
|
|---|
| 214 | OUTPUT(("debug: i=%02d cbBeforeSub=%d cbFreed=%d now=%d\n", i, cbBeforeSub, cbFreed, MMHyperHeapGetFreeSize(pVM)));
|
|---|
| 215 | #if 0 /* won't work :/ */
|
|---|
| 216 | size_t cbAfterSub = MMHyperHeapGetFreeSize(pVM);
|
|---|
| 217 | if (cbBeforeSub != cbAfterSub)
|
|---|
| 218 | {
|
|---|
| 219 | RTPrintf("Failure: cbBeforeSub=%d cbAfterSub=%d. i=%d\n", cbBeforeSub, cbAfterSub, i);
|
|---|
| 220 | return 1;
|
|---|
| 221 | }
|
|---|
| 222 | #endif
|
|---|
| 223 | }
|
|---|
| 224 |
|
|---|
| 225 | /* free it in a specific order. */
|
|---|
| 226 | int cFreed = 0;
|
|---|
| 227 | for (i = 0; i < RT_ELEMENTS(aOps); i++)
|
|---|
| 228 | {
|
|---|
| 229 | unsigned j;
|
|---|
| 230 | for (j = 0; j < RT_ELEMENTS(aOps); j++)
|
|---|
| 231 | {
|
|---|
| 232 | if ( aOps[j].iFreeOrder != i
|
|---|
| 233 | || !aOps[j].pvAlloc)
|
|---|
| 234 | continue;
|
|---|
| 235 | OUTPUT(("j=%02d i=%02d free=%d cb=%5u pv=%p\n", j, i, MMHyperHeapGetFreeSize(pVM), aOps[j].cb, aOps[j].pvAlloc));
|
|---|
| 236 | if (aOps[j].uAlignment == PAGE_SIZE)
|
|---|
| 237 | cbBefore -= aOps[j].cb;
|
|---|
| 238 | else
|
|---|
| 239 | {
|
|---|
| 240 | rc = MMHyperFree(pVM, aOps[j].pvAlloc);
|
|---|
| 241 | if (RT_FAILURE(rc))
|
|---|
| 242 | {
|
|---|
| 243 | RTPrintf("Failure: MMHyperFree(, %p,) -> %d j=%d i=%d\n", aOps[j].pvAlloc, rc, i, j);
|
|---|
| 244 | return 1;
|
|---|
| 245 | }
|
|---|
| 246 | }
|
|---|
| 247 | aOps[j].pvAlloc = NULL;
|
|---|
| 248 | cFreed++;
|
|---|
| 249 | }
|
|---|
| 250 | }
|
|---|
| 251 | Assert(cFreed == RT_ELEMENTS(aOps));
|
|---|
| 252 | OUTPUT(("i=done free=%d\n", MMHyperHeapGetFreeSize(pVM)));
|
|---|
| 253 |
|
|---|
| 254 | /* check that we're back at the right amount of free memory. */
|
|---|
| 255 | size_t cbAfter = MMHyperHeapGetFreeSize(pVM);
|
|---|
| 256 | if (cbBefore != cbAfter)
|
|---|
| 257 | {
|
|---|
| 258 | OUTPUT(("Warning: Either we've split out an alignment chunk at the start, or we've got\n"
|
|---|
| 259 | " an alloc/free accounting bug: cbBefore=%d cbAfter=%d\n", cbBefore, cbAfter));
|
|---|
| 260 | #ifdef DEBUG
|
|---|
| 261 | MMHyperHeapDump(pVM);
|
|---|
| 262 | #endif
|
|---|
| 263 | }
|
|---|
| 264 |
|
|---|
| 265 | RTPrintf("tstMMHyperHeap: Success\n");
|
|---|
| 266 | #ifdef LOG_ENABLED
|
|---|
| 267 | RTLogFlush(NULL);
|
|---|
| 268 | #endif
|
|---|
| 269 | SUPR3PageFreeEx(pVM, RT_ELEMENTS(aPages));
|
|---|
| 270 | RTMemPageFree(pUVM, RT_ALIGN_Z(sizeof(*pUVM), PAGE_SIZE));
|
|---|
| 271 | return 0;
|
|---|
| 272 | }
|
|---|
| 273 |
|
|---|
| 274 |
|
|---|
| 275 | #if !defined(VBOX_WITH_HARDENING) || !defined(RT_OS_WINDOWS)
|
|---|
| 276 | /**
|
|---|
| 277 | * Main entry point.
|
|---|
| 278 | */
|
|---|
| 279 | int main(int argc, char **argv, char **envp)
|
|---|
| 280 | {
|
|---|
| 281 | return TrustedMain(argc, argv, envp);
|
|---|
| 282 | }
|
|---|
| 283 | #endif
|
|---|
| 284 |
|
|---|
