| 1 | /* $Id: bs3kit.h 58667 2015-11-12 00:22:18Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * BS3Kit - structures, symbols, macros and stuff.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2007-2015 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 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 | #ifndef ___bs3kit_h
|
|---|
| 28 | #define ___bs3kit_h
|
|---|
| 29 |
|
|---|
| 30 | #ifndef DOXYGEN_RUNNING
|
|---|
| 31 | # define IN_RING0
|
|---|
| 32 | #endif
|
|---|
| 33 | #include <iprt/cdefs.h>
|
|---|
| 34 | #include <iprt/types.h>
|
|---|
| 35 | #ifndef DOXYGEN_RUNNING
|
|---|
| 36 | # undef IN_RING0
|
|---|
| 37 | #endif
|
|---|
| 38 |
|
|---|
| 39 |
|
|---|
| 40 | /** @defgroup grp_bs3kit BS3Kit
|
|---|
| 41 | * @{ */
|
|---|
| 42 |
|
|---|
| 43 | /** @def BS3_FAR
|
|---|
| 44 | * For inidicating far pointers in 16-bit code.
|
|---|
| 45 | * Does nothing in 32-bit and 64-bit code. */
|
|---|
| 46 | /** @def BS3_NEAR
|
|---|
| 47 | * For inidicating near pointers in 16-bit code.
|
|---|
| 48 | * Does nothing in 32-bit and 64-bit code. */
|
|---|
| 49 | #ifdef M_I86
|
|---|
| 50 | # define BS3_FAR __far
|
|---|
| 51 | # define BS3_NEAR __near
|
|---|
| 52 | #else
|
|---|
| 53 | # define BS3_FAR
|
|---|
| 54 | # define BS3_NEAR
|
|---|
| 55 | #endif
|
|---|
| 56 |
|
|---|
| 57 | /** @def BS3_CALL
|
|---|
| 58 | * The calling convension used by BS3 functions. */
|
|---|
| 59 | #if ARCH_BITS != 64
|
|---|
| 60 | # define BS3_CALL __cdecl
|
|---|
| 61 | #elif !defined(_MSC_VER)
|
|---|
| 62 | # define BS3_CALL __attribute__((__ms_abi__))
|
|---|
| 63 | #else
|
|---|
| 64 | # define BS3_CALL
|
|---|
| 65 | #endif
|
|---|
| 66 |
|
|---|
| 67 | /** @def IN_BS3KIT
|
|---|
| 68 | * Indicates that we're in the same link job as the BS3Kit code. */
|
|---|
| 69 | #ifdef DOXYGEN_RUNNING
|
|---|
| 70 | # define IN_BS3KIT
|
|---|
| 71 | #endif
|
|---|
| 72 |
|
|---|
| 73 | /** @def BS3_DECL
|
|---|
| 74 | * Declares a BS3Kit function.
|
|---|
| 75 | * @param a_Type The return type. */
|
|---|
| 76 | #ifdef IN_BS3KIT
|
|---|
| 77 | # define BS3_DECL(a_Type) DECLEXPORT(a_Type) BS3_CALL
|
|---|
| 78 | #else
|
|---|
| 79 | # define BS3_DECL(a_Type) DECLIMPORT(a_Type) BS3_CALL
|
|---|
| 80 | #endif
|
|---|
| 81 |
|
|---|
| 82 | /**
|
|---|
| 83 | * Constructs a common name.
|
|---|
| 84 | *
|
|---|
| 85 | * Example: BS3_CMN_NM(Bs3Shutdown)
|
|---|
| 86 | *
|
|---|
| 87 | * @param a_Name The name of the function or global variable.
|
|---|
| 88 | */
|
|---|
| 89 | #define BS3_CMN_NM(a_Name) RT_CONCAT3(a_Name,_c,ARCH_BITS)
|
|---|
| 90 |
|
|---|
| 91 | /**
|
|---|
| 92 | * Template for createing a pointer union type.
|
|---|
| 93 | * @param a_BaseName The base type name.
|
|---|
| 94 | * @param a_Modifier The type modifier.
|
|---|
| 95 | */
|
|---|
| 96 | #define BS3_PTR_UNION_TEMPLATE(a_BaseName, a_Modifiers) \
|
|---|
| 97 | typedef union a_BaseName \
|
|---|
| 98 | { \
|
|---|
| 99 | /** Pointer into the void. */ \
|
|---|
| 100 | a_Modifiers void BS3_FAR *pv; \
|
|---|
| 101 | /** As a signed integer. */ \
|
|---|
| 102 | intptr_t i; \
|
|---|
| 103 | /** As an unsigned integer. */ \
|
|---|
| 104 | uintptr_t u; \
|
|---|
| 105 | /** Pointer to char value. */ \
|
|---|
| 106 | a_Modifiers char BS3_FAR *pch; \
|
|---|
| 107 | /** Pointer to char value. */ \
|
|---|
| 108 | a_Modifiers unsigned char BS3_FAR *puch; \
|
|---|
| 109 | /** Pointer to a int value. */ \
|
|---|
| 110 | a_Modifiers int BS3_FAR *pi; \
|
|---|
| 111 | /** Pointer to a unsigned int value. */ \
|
|---|
| 112 | a_Modifiers unsigned int BS3_FAR *pu; \
|
|---|
| 113 | /** Pointer to a long value. */ \
|
|---|
| 114 | a_Modifiers long BS3_FAR *pl; \
|
|---|
| 115 | /** Pointer to a long value. */ \
|
|---|
| 116 | a_Modifiers unsigned long BS3_FAR *pul; \
|
|---|
| 117 | /** Pointer to a memory size value. */ \
|
|---|
| 118 | a_Modifiers size_t BS3_FAR *pcb; \
|
|---|
| 119 | /** Pointer to a byte value. */ \
|
|---|
| 120 | a_Modifiers uint8_t BS3_FAR *pb; \
|
|---|
| 121 | /** Pointer to a 8-bit unsigned value. */ \
|
|---|
| 122 | a_Modifiers uint8_t BS3_FAR *pu8; \
|
|---|
| 123 | /** Pointer to a 16-bit unsigned value. */ \
|
|---|
| 124 | a_Modifiers uint16_t BS3_FAR *pu16; \
|
|---|
| 125 | /** Pointer to a 32-bit unsigned value. */ \
|
|---|
| 126 | a_Modifiers uint32_t BS3_FAR *pu32; \
|
|---|
| 127 | /** Pointer to a 64-bit unsigned value. */ \
|
|---|
| 128 | a_Modifiers uint64_t BS3_FAR *pu64; \
|
|---|
| 129 | /** Pointer to a UTF-16 character. */ \
|
|---|
| 130 | a_Modifiers RTUTF16 BS3_FAR *pwc; \
|
|---|
| 131 | /** Pointer to a UUID character. */ \
|
|---|
| 132 | a_Modifiers RTUUID BS3_FAR *pUuid; \
|
|---|
| 133 | } a_BaseName; \
|
|---|
| 134 | /** Pointer to a pointer union. */ \
|
|---|
| 135 | typedef a_BaseName *RT_CONCAT(P,a_BaseName)
|
|---|
| 136 | BS3_PTR_UNION_TEMPLATE(BS3PTRUNION, RT_NOTHING);
|
|---|
| 137 | BS3_PTR_UNION_TEMPLATE(BS3CPTRUNION, const);
|
|---|
| 138 | BS3_PTR_UNION_TEMPLATE(BS3VPTRUNION, volatile);
|
|---|
| 139 | BS3_PTR_UNION_TEMPLATE(BS3CVPTRUNION, const volatile);
|
|---|
| 140 |
|
|---|
| 141 |
|
|---|
| 142 | /** @defgroup grp_bs3kit_cmn Common Functions and Data
|
|---|
| 143 | *
|
|---|
| 144 | * The common functions comes in three variations: 16-bit, 32-bit and 64-bit.
|
|---|
| 145 | * Templated code uses the #BS3_CMN_NM macro to mangle the name according to the
|
|---|
| 146 | * desired
|
|---|
| 147 | *
|
|---|
| 148 | * @{
|
|---|
| 149 | */
|
|---|
| 150 |
|
|---|
| 151 | /**
|
|---|
| 152 | * Panic, never return.
|
|---|
| 153 | *
|
|---|
| 154 | * The current implementation will only halt the CPU.
|
|---|
| 155 | */
|
|---|
| 156 | BS3_DECL(void) Bs3Panic_c16(void);
|
|---|
| 157 | BS3_DECL(void) Bs3Panic_c32(void); /**< @copydoc Bs3Panic_c16 */
|
|---|
| 158 | BS3_DECL(void) Bs3Panic_c64(void); /**< @copydoc Bs3Panic_c16 */
|
|---|
| 159 | #define Bs3Panic BS3_CMN_NM(Bs3Panic) /**< Selects #Bs3Panic_c16, #Bs3Panic_c32 or #Bs3Panic_c64. */
|
|---|
| 160 |
|
|---|
| 161 | /**
|
|---|
| 162 | * Shutdown the system, never returns.
|
|---|
| 163 | *
|
|---|
| 164 | * This currently only works for VMs. When running on real systems it will
|
|---|
| 165 | * just halt the CPU.
|
|---|
| 166 | */
|
|---|
| 167 | BS3_DECL(void) Bs3Shutdown_c16(void);
|
|---|
| 168 | BS3_DECL(void) Bs3Shutdown_c32(void); /**< @copydoc Bs3Shutdown_c16 */
|
|---|
| 169 | BS3_DECL(void) Bs3Shutdown_c64(void); /**< @copydoc Bs3Shutdown_c16 */
|
|---|
| 170 | #define Bs3Shutdown BS3_CMN_NM(Bs3Shutdown) /**< Selects #Bs3Shutdown_c16, #Bs3Shutdown_c32 or #Bs3Shutdown_c64. */
|
|---|
| 171 |
|
|---|
| 172 | /**
|
|---|
| 173 | * Prints a 32-bit unsigned value as hex to the screen.
|
|---|
| 174 | *
|
|---|
| 175 | * @param uValue The 32-bit value.
|
|---|
| 176 | */
|
|---|
| 177 | BS3_DECL(void) Bs3PrintU32_c16(uint32_t uValue); /**< @copydoc Bs3PrintU32_c16 */
|
|---|
| 178 | BS3_DECL(void) Bs3PrintU32_c32(uint32_t uValue); /**< @copydoc Bs3PrintU32_c16 */
|
|---|
| 179 | BS3_DECL(void) Bs3PrintU32_c64(uint32_t uValue); /**< @copydoc Bs3PrintU32_c16 */
|
|---|
| 180 | #define Bs3PrintU32 BS3_CMN_NM(Bs3PrintU32) /**< Selects #Bs3PrintU32_c16, #Bs3PrintU32_c32 or #Bs3PrintU32_c64. */
|
|---|
| 181 |
|
|---|
| 182 | /**
|
|---|
| 183 | * Finds the length of a zero terminated string.
|
|---|
| 184 | *
|
|---|
| 185 | * @returns String length in chars/bytes.
|
|---|
| 186 | * @param pszString The string to examine.
|
|---|
| 187 | */
|
|---|
| 188 | BS3_DECL(size_t) Bs3StrLen_c16(const char BS3_FAR *pszString);
|
|---|
| 189 | BS3_DECL(size_t) Bs3StrLen_c32(const char BS3_FAR *pszString); /** @copydoc Bs3StrLen_c16 */
|
|---|
| 190 | BS3_DECL(size_t) Bs3StrLen_c64(const char BS3_FAR *pszString); /** @copydoc Bs3StrLen_c16 */
|
|---|
| 191 | #define Bs3StrLen BS3_CMN_NM(Bs3StrLen) /**< Selects #Bs3StrLen_c16, #Bs3StrLen_c32 or #Bs3StrLen_c64. */
|
|---|
| 192 |
|
|---|
| 193 | /**
|
|---|
| 194 | * Finds the length of a zero terminated string, but with a max length.
|
|---|
| 195 | *
|
|---|
| 196 | * @returns String length in chars/bytes, or @a cchMax if no zero-terminator
|
|---|
| 197 | * was found before we reached the limit.
|
|---|
| 198 | * @param pszString The string to examine.
|
|---|
| 199 | * @param cchMax The max length to examine.
|
|---|
| 200 | */
|
|---|
| 201 | BS3_DECL(size_t) Bs3StrNLen_c16(const char BS3_FAR *pszString, size_t cchMax);
|
|---|
| 202 | BS3_DECL(size_t) Bs3StrNLen_c32(const char BS3_FAR *pszString, size_t cchMax); /** @copydoc Bs3StrNLen_c16 */
|
|---|
| 203 | BS3_DECL(size_t) Bs3StrNLen_c64(const char BS3_FAR *pszString, size_t cchMax); /** @copydoc Bs3StrNLen_c16 */
|
|---|
| 204 | #define Bs3StrNLen BS3_CMN_NM(Bs3StrNLen) /**< Selects #Bs3StrNLen_c16, #Bs3StrNLen_c32 or #Bs3StrNLen_c64. */
|
|---|
| 205 |
|
|---|
| 206 | /**
|
|---|
| 207 | * CRT style unsafe strcpy.
|
|---|
| 208 | *
|
|---|
| 209 | * @returns pszDst.
|
|---|
| 210 | * @param pszDst The destination buffer. Must be large enough to
|
|---|
| 211 | * hold the source string.
|
|---|
| 212 | * @param pszSrc The source string.
|
|---|
| 213 | */
|
|---|
| 214 | BS3_DECL(char BS3_FAR *) Bs3StrCpy_c16(char BS3_FAR *pszDst, const char BS3_FAR *pszSrc);
|
|---|
| 215 | BS3_DECL(char BS3_FAR *) Bs3StrCpy_c32(char BS3_FAR *pszDst, const char BS3_FAR *pszSrc); /** @copydoc Bs3StrCpy_c16 */
|
|---|
| 216 | BS3_DECL(char BS3_FAR *) Bs3StrCpy_c64(char BS3_FAR *pszDst, const char BS3_FAR *pszSrc); /** @copydoc Bs3StrCpy_c16 */
|
|---|
| 217 | #define Bs3StrCpy BS3_CMN_NM(Bs3StrCpy) /**< Selects #Bs3StrCpy_c16, #Bs3StrCpy_c32 or #Bs3StrCpy_c64. */
|
|---|
| 218 |
|
|---|
| 219 | /**
|
|---|
| 220 | * CRT style memcpy.
|
|---|
| 221 | *
|
|---|
| 222 | * @returns pvDst
|
|---|
| 223 | * @param pvDst The destination buffer.
|
|---|
| 224 | * @param pvSrc The source buffer.
|
|---|
| 225 | * @param cbCopy The number of bytes to copy.
|
|---|
| 226 | */
|
|---|
| 227 | BS3_DECL(void BS3_FAR *) Bs3MemCpy_c16(void BS3_FAR *pvDst, const void BS3_FAR *pvSrc, size_t cbToCopy);
|
|---|
| 228 | BS3_DECL(void BS3_FAR *) Bs3MemCpy_c32(void BS3_FAR *pvDst, const void BS3_FAR *pvSrc, size_t cbToCopy); /** @copydoc Bs3MemCpy_c16 */
|
|---|
| 229 | BS3_DECL(void BS3_FAR *) Bs3MemCpy_c64(void BS3_FAR *pvDst, const void BS3_FAR *pvSrc, size_t cbToCopy); /** @copydoc Bs3MemCpy_c16 */
|
|---|
| 230 | #define Bs3MemCpy BS3_CMN_NM(Bs3MemCpy) /**< Selects #Bs3MemCpy_c16, #Bs3MemCpy_c32 or #Bs3MemCpy_c64. */
|
|---|
| 231 |
|
|---|
| 232 | /**
|
|---|
| 233 | * GNU (?) style mempcpy.
|
|---|
| 234 | *
|
|---|
| 235 | * @returns pvDst + cbCopy
|
|---|
| 236 | * @param pvDst The destination buffer.
|
|---|
| 237 | * @param pvSrc The source buffer.
|
|---|
| 238 | * @param cbCopy The number of bytes to copy.
|
|---|
| 239 | */
|
|---|
| 240 | BS3_DECL(void BS3_FAR *) Bs3MemPCpy_c16(void BS3_FAR *pvDst, const void BS3_FAR *pvSrc, size_t cbToCopy);
|
|---|
| 241 | BS3_DECL(void BS3_FAR *) Bs3MemPCpy_c32(void BS3_FAR *pvDst, const void BS3_FAR *pvSrc, size_t cbToCopy); /** @copydoc Bs3MemPCpy_c16 */
|
|---|
| 242 | BS3_DECL(void BS3_FAR *) Bs3MemPCpy_c64(void BS3_FAR *pvDst, const void BS3_FAR *pvSrc, size_t cbToCopy); /** @copydoc Bs3MemPCpy_c16 */
|
|---|
| 243 | #define Bs3MemPCpy BS3_CMN_NM(Bs3MemPCpy) /**< Selects #Bs3MemPCpy_c16, #Bs3MemPCpy_c32 or #Bs3MemPCpy_c64. */
|
|---|
| 244 |
|
|---|
| 245 | /**
|
|---|
| 246 | * CRT style memmove (overlapping buffers is fine).
|
|---|
| 247 | *
|
|---|
| 248 | * @returns pvDst
|
|---|
| 249 | * @param pvDst The destination buffer.
|
|---|
| 250 | * @param pvSrc The source buffer.
|
|---|
| 251 | * @param cbCopy The number of bytes to copy.
|
|---|
| 252 | */
|
|---|
| 253 | BS3_DECL(void BS3_FAR *) Bs3MemMove_c16(void BS3_FAR *pvDst, const void BS3_FAR *pvSrc, size_t cbToCopy);
|
|---|
| 254 | BS3_DECL(void BS3_FAR *) Bs3MemMove_c32(void BS3_FAR *pvDst, const void BS3_FAR *pvSrc, size_t cbToCopy); /** @copydoc Bs3MemMove_c16 */
|
|---|
| 255 | BS3_DECL(void BS3_FAR *) Bs3MemMove_c64(void BS3_FAR *pvDst, const void BS3_FAR *pvSrc, size_t cbToCopy); /** @copydoc Bs3MemMove_c16 */
|
|---|
| 256 | #define Bs3MemMove BS3_CMN_NM(Bs3MemMove) /**< Selects #Bs3MemMove_c16, #Bs3MemMove_c32 or #Bs3MemMove_c64. */
|
|---|
| 257 |
|
|---|
| 258 |
|
|---|
| 259 | /** @} */
|
|---|
| 260 |
|
|---|
| 261 |
|
|---|
| 262 |
|
|---|
| 263 | /** @defgroup grp_bs3kit_mode Mode Specific Functions and Data
|
|---|
| 264 | *
|
|---|
| 265 | * The mode specific functions come in bit count variations and CPU mode
|
|---|
| 266 | * variations. The bs3kit-template-header.h/mac defines the BS3_NM macro to
|
|---|
| 267 | * mangle a function or variable name according to the target CPU mode. In
|
|---|
| 268 | * non-templated code, it's common to spell the name out in full.
|
|---|
| 269 | *
|
|---|
| 270 | * @{
|
|---|
| 271 | */
|
|---|
| 272 |
|
|---|
| 273 |
|
|---|
| 274 | /** @} */
|
|---|
| 275 |
|
|---|
| 276 | #endif
|
|---|
| 277 |
|
|---|
