| 1 | /* $Id: tstMicro.h 56287 2015-06-09 11:15:22Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * Micro Testcase, profiling special CPU operations.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2015 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 | #ifndef ___tstMicro_h
|
|---|
| 19 | #define ___tstMicro_h
|
|---|
| 20 |
|
|---|
| 21 | /**
|
|---|
| 22 | * The testcase identifier.
|
|---|
| 23 | */
|
|---|
| 24 | typedef enum TSTMICROTEST
|
|---|
| 25 | {
|
|---|
| 26 | TSTMICROTEST_OVERHEAD = 0,
|
|---|
| 27 | TSTMICROTEST_INVLPG_0,
|
|---|
| 28 | TSTMICROTEST_INVLPG_EIP,
|
|---|
| 29 | TSTMICROTEST_INVLPG_ESP,
|
|---|
| 30 | TSTMICROTEST_CR3_RELOAD,
|
|---|
| 31 | TSTMICROTEST_WP_DISABLE,
|
|---|
| 32 | TSTMICROTEST_WP_ENABLE,
|
|---|
| 33 |
|
|---|
| 34 | TSTMICROTEST_TRAP_FIRST,
|
|---|
| 35 | TSTMICROTEST_PF_R0 = TSTMICROTEST_TRAP_FIRST,
|
|---|
| 36 | TSTMICROTEST_PF_R1,
|
|---|
| 37 | TSTMICROTEST_PF_R2,
|
|---|
| 38 | TSTMICROTEST_PF_R3,
|
|---|
| 39 |
|
|---|
| 40 | /** The max testcase. */
|
|---|
| 41 | TSTMICROTEST_MAX
|
|---|
| 42 | } TSTMICROTEST;
|
|---|
| 43 |
|
|---|
| 44 |
|
|---|
| 45 | /**
|
|---|
| 46 | *
|
|---|
| 47 | */
|
|---|
| 48 | typedef struct TSTMICRORESULT
|
|---|
| 49 | {
|
|---|
| 50 | /** The total number of ticks spent executing the testcase.
|
|---|
| 51 | * This may include extra overhead stuff if we're weird stuff during trap handler. */
|
|---|
| 52 | uint64_t cTotalTicks;
|
|---|
| 53 | /** Number of ticks spent getting into Rx from R0.
|
|---|
| 54 | * This will include time spent setting up the testcase in R3. */
|
|---|
| 55 | uint64_t cToRxFirstTicks;
|
|---|
| 56 | /** Number of ticks spent executing the trap.
|
|---|
| 57 | * I.e. from right before trapping instruction to the start of the trap handler.
|
|---|
| 58 | * This does not apply to testcases which doesn't trap. */
|
|---|
| 59 | uint64_t cTrapTicks;
|
|---|
| 60 | /** Number of ticks spent resuming Rx executing after a trap.
|
|---|
| 61 | * This does not apply to testcases which doesn't trap. */
|
|---|
| 62 | uint64_t cToRxTrapTicks;
|
|---|
| 63 | /** Number of ticks to get to back to r0 after resuming the trapped code.
|
|---|
| 64 | * This does not apply to testcases which doesn't trap. */
|
|---|
| 65 | uint64_t cToR0Ticks;
|
|---|
| 66 | } TSTMICRORESULT, *PTSTMICRORESULT;
|
|---|
| 67 |
|
|---|
| 68 | /**
|
|---|
| 69 | * Micro profiling testcase
|
|---|
| 70 | */
|
|---|
| 71 | typedef struct TSTMICRO
|
|---|
| 72 | {
|
|---|
| 73 | /** The RC address of this structure. */
|
|---|
| 74 | RTRCPTR RCPtr;
|
|---|
| 75 | /** Just for proper alignment. */
|
|---|
| 76 | RTRCPTR RCPtrStack;
|
|---|
| 77 |
|
|---|
| 78 | /** TSC sampled right before leaving R0. */
|
|---|
| 79 | uint64_t u64TSCR0Start;
|
|---|
| 80 | /** TSC sampled right before the exception. */
|
|---|
| 81 | uint64_t u64TSCRxStart;
|
|---|
| 82 | /** TSC sampled right after entering the trap handler. */
|
|---|
| 83 | uint64_t u64TSCR0Enter;
|
|---|
| 84 | /** TSC sampled right before exitting the trap handler. */
|
|---|
| 85 | uint64_t u64TSCR0Exit;
|
|---|
| 86 | /** TSC sampled right after resuming guest trap. */
|
|---|
| 87 | uint64_t u64TSCRxEnd;
|
|---|
| 88 | /** TSC sampled right after re-entering R0. */
|
|---|
| 89 | uint64_t u64TSCR0End;
|
|---|
| 90 | /** Number of times entered (should be one). */
|
|---|
| 91 | uint32_t cHits;
|
|---|
| 92 | /** Advance EIP. */
|
|---|
| 93 | int32_t offEIPAdd;
|
|---|
| 94 | /** The last CR3 code. */
|
|---|
| 95 | uint32_t u32CR2;
|
|---|
| 96 | /** The last error code. */
|
|---|
| 97 | uint32_t u32ErrCd;
|
|---|
| 98 | /** The last trap eip. */
|
|---|
| 99 | uint32_t u32EIP;
|
|---|
| 100 | /** The original IDT address and limit. */
|
|---|
| 101 | VBOXIDTR OriginalIDTR;
|
|---|
| 102 | /** Our IDT. */
|
|---|
| 103 | VBOXIDTE aIDT[256];
|
|---|
| 104 |
|
|---|
| 105 | /** The overhead for the rdtsc + 2 xchg instr. */
|
|---|
| 106 | uint64_t u64Overhead;
|
|---|
| 107 |
|
|---|
| 108 | /** The testresults. */
|
|---|
| 109 | TSTMICRORESULT aResults[TSTMICROTEST_MAX];
|
|---|
| 110 | /** Ring-3 stack. */
|
|---|
| 111 | uint8_t au8Stack[4096];
|
|---|
| 112 |
|
|---|
| 113 | } TSTMICRO, *PTSTMICRO;
|
|---|
| 114 |
|
|---|
| 115 |
|
|---|
| 116 | RT_C_DECLS_BEGIN
|
|---|
| 117 |
|
|---|
| 118 | DECLASM(void) idtOnly42(PTSTMICRO pTst);
|
|---|
| 119 |
|
|---|
| 120 |
|
|---|
| 121 | DECLASM(void) tstOverhead(PTSTMICRO pTst);
|
|---|
| 122 | DECLASM(void) tstInvlpg0(PTSTMICRO pTst);
|
|---|
| 123 | DECLASM(void) tstInvlpgEIP(PTSTMICRO pTst);
|
|---|
| 124 | DECLASM(void) tstInvlpgESP(PTSTMICRO pTst);
|
|---|
| 125 | DECLASM(void) tstCR3Reload(PTSTMICRO pTst);
|
|---|
| 126 | DECLASM(void) tstWPEnable(PTSTMICRO pTst);
|
|---|
| 127 | DECLASM(void) tstWPDisable(PTSTMICRO pTst);
|
|---|
| 128 |
|
|---|
| 129 |
|
|---|
| 130 | DECLASM(int) tstPFR0(PTSTMICRO pTst);
|
|---|
| 131 | DECLASM(int) tstPFR1(PTSTMICRO pTst);
|
|---|
| 132 | DECLASM(int) tstPFR2(PTSTMICRO pTst);
|
|---|
| 133 | DECLASM(int) tstPFR3(PTSTMICRO pTst);
|
|---|
| 134 |
|
|---|
| 135 |
|
|---|
| 136 |
|
|---|
| 137 | DECLASM(void) tstTrapHandlerNoErr(void);
|
|---|
| 138 | DECLASM(void) tstTrapHandler(void);
|
|---|
| 139 | DECLASM(void) tstInterrupt42(void);
|
|---|
| 140 |
|
|---|
| 141 | RT_C_DECLS_END
|
|---|
| 142 |
|
|---|
| 143 | #endif
|
|---|
