os/kernelhwsrv/kernel/eka/drivers/debug/rmdebug/d_rmd_stepping.inl
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib.
     1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     4 // under the terms of the License "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 //
    15 
    16 
    17 
    18 /**
    19  @file
    20  @internalComponent
    21  @released
    22 */
    23 
    24 #ifndef D_RMD_STEPPING_INL
    25 #define D_RMD_STEPPING_INL
    26 
    27 //
    28 // IsBitSet
    29 //
    30 // Returns 1 if the bit 'aNum' is set within aBitset, 0 otherwise
    31 inline TUint32 DRMDStepping::IsBitSet(const TUint32 aBitset, const TUint8 aNum)
    32 	{
    33 	return (aBitset & (1 << aNum) );
    34 	}
    35 
    36 // 
    37 // BitCount
    38 //
    39 // Count number of bits in aVal
    40 inline TUint32 DRMDStepping::BitCount(const TUint32 aVal)
    41 	{
    42 	TUint32 num = 0;
    43 
    44 	for(TInt i = 0; i < 32; i++)
    45 		{
    46 		if ((1 << i) & aVal)
    47 			{
    48 			num++;
    49 			}
    50 		}
    51 	return num;
    52 	}
    53 
    54 //
    55 // Thumb2 opcode decoding
    56 //
    57 // Special data instructions and branch and exchange.
    58 //
    59 // Returns Opcode as defined in ARM ARM DDI0406A, section A6.2.3
    60 inline TUint16 DRMDStepping::t2opcode16special(const TUint16 aInst)
    61 	{
    62 	TUint8 aVal = (aInst & 0x03C0) >> 5;
    63 
    64 	return aVal;
    65 	}
    66 
    67 
    68 // Thumb2 opcode decoding instructions
    69 // 
    70 // Returns Opcode as defined in ARM ARM DDI0406A, section A6.2
    71 // 16-bit Thumb instruction encoding
    72 inline TUint16 DRMDStepping::t2opcode16(const TUint16 aInst)
    73 {
    74 	TUint16 aVal = (aInst & 0xFC00) >> 9;
    75 
    76 	return aVal;
    77 }
    78 
    79 // ARM opcode decoding functions
    80 inline TUint32 DRMDStepping::arm_opcode(const TUint32 aInst)
    81 {
    82 // #define ARM_OPCODE(x)		(((TUint32)(x) & 0x0E000000) >> 25)
    83 
    84 	TUint32 aVal = ((aInst) & 0x0E000000) >> 25;
    85 
    86 	return aVal;
    87 }
    88 
    89 inline TUint32 DRMDStepping:: arm_rm(const TUint32 aInst)
    90 {
    91 //#define ARM_RM(x)				((TUint32)(x) & 0x0000000F)			// bit 0- 4
    92 
    93 	TUint32 aVal = (aInst) & 0x0000000F;
    94 
    95 	return aVal;
    96 }
    97 
    98 inline TUint32 DRMDStepping:: arm_rs(const TUint32 aInst)
    99 {
   100 //#define ARM_RS(x)				(((TUint32)(x) & 0x00000F00) >> 8)	// bit 8-11
   101 
   102 	TUint32 aVal = ((aInst) & 0x00000F00) >> 8;
   103 
   104 	return aVal;
   105 }
   106 
   107 inline TUint32 DRMDStepping:: arm_rd(const TUint32 aInst)
   108 {
   109 //#define ARM_RD(x)				(((TUint32)(x) & 0x0000F000) >> 12)	// bit 12-15
   110 
   111 	TUint32 aVal = ((aInst) & 0x0000F000) >> 12;
   112 
   113 	return aVal;
   114 }
   115 
   116 inline TUint32 DRMDStepping:: arm_rn(const TUint32 aInst)
   117 {
   118 //#define ARM_RN(x)				(((TUint32)(x) & 0x000F0000) >> 16)	// bit 16-19
   119 
   120 	TUint32 aVal = ((aInst) & 0x000F0000) >> 16;
   121 
   122 	return aVal;
   123 }
   124 
   125 inline TUint32 DRMDStepping::arm_load(const TUint32 aInst)
   126 {
   127 //#define ARM_LOAD(x)				(((TUint32)(x) & 0x00100000) >> 20)	// bit 20
   128 
   129 	TUint32 aVal = ((aInst) & 0x00100000) >> 20;
   130 
   131 	return aVal;
   132 }
   133 
   134 // Data processing instruction defines
   135 inline TUint32 DRMDStepping::arm_data_shift(const TUint32 aInst)
   136 {
   137 //#define ARM_DATA_SHIFT(x)		(((TUint32)(x) & 0x00000060) >> 5) 	// bit 5- 6
   138 	
   139 	TUint32 aVal = ((aInst) & 0x00000060) >> 5;
   140 
   141 	return aVal;
   142 }
   143 
   144 inline TUint32 DRMDStepping::arm_data_c(const TUint32 aInst)
   145 {
   146 //#define ARM_DATA_C(x)			(((TUint32)(x) & 0x00000F80) >> 7) 	// bit 7-11
   147 
   148 	TUint32 aVal = ((aInst) & 0x00000F80) >> 7;
   149 
   150 	return aVal;
   151 }
   152 
   153 inline TUint32 DRMDStepping::arm_data_imm(const TUint32 aInst)
   154 {
   155 //#define ARM_DATA_IMM(x)			((TUint32)(x) & 0x000000FF)			// bit 0-7
   156 
   157 	TUint32 aVal = (aInst) & 0x000000FF;
   158 
   159 	return aVal;
   160 }
   161 
   162 inline TUint32 DRMDStepping::arm_data_rot(const TUint32 aInst)
   163 {
   164 //#define ARM_DATA_ROT(x)			(((TUint32)(x) & 0x00000F00) >> 8) 	// bit 8-11
   165 
   166 	TUint32 aVal = ((aInst) & 0x00000F00) >> 8;
   167 
   168 	return aVal;
   169 }
   170 
   171 // Single date transfer instruction defines
   172 inline TUint32 DRMDStepping::arm_single_imm(const TUint32 aInst)
   173 {
   174 //#define ARM_SINGLE_IMM(x)		((TUint32)(x) & 0x00000FFF)			// bit 0-11
   175 
   176 	TUint32 aVal = (aInst) & 0x00000FFF;
   177 
   178 	return aVal;
   179 }
   180 
   181 inline TUint32 DRMDStepping::arm_single_byte(const TUint32 aInst)
   182 {
   183 //#define ARM_SINGLE_BYTE(x)		(((TUint32)(x) & 0x00400000) >> 22)	// bit 22
   184 
   185 	TUint32 aVal = ((aInst) & 0x00400000) >> 22;
   186 
   187 	return aVal;
   188 }
   189 
   190 inline TUint32 DRMDStepping::arm_single_u(const TUint32 aInst)
   191 {
   192 //#define ARM_SINGLE_U(x)			(((TUint32)(x) & 0x00800000) >> 23)	// bit 23
   193 
   194 	TUint32 aVal = ((aInst) & 0x00800000) >> 23;
   195 
   196 	return aVal;
   197 }
   198 
   199 inline TUint32 DRMDStepping::arm_single_pre(const TUint32 aInst)
   200 {
   201 //#define ARM_SINGLE_PRE(x)		(((TUint32)(x) & 0x01000000) >> 24)	// bit 24
   202 
   203 	TUint32 aVal = ((aInst) & 0x01000000) >> 24;
   204 
   205 	return aVal;
   206 }
   207 
   208 // Block data transfer instruction defines
   209 inline TUint32 DRMDStepping::arm_block_reglist(const TUint32 aInst)
   210 {
   211 //#define ARM_BLOCK_REGLIST(x)	((TUint32)(x) & 0x0000FFFF)		// bit 0-15
   212 
   213 	TUint32 aVal = (aInst) & 0x0000FFFF;
   214 
   215 	return aVal;
   216 }
   217 
   218 inline TUint32 DRMDStepping::arm_block_u(const TUint32 aInst)
   219 {
   220 //#define ARM_BLOCK_U(x)			(((TUint32)(x) & 0x00800000) >> 23)	// bit 23
   221 
   222 	TUint32 aVal = ((aInst) & 0x00800000) >> 23;
   223 
   224 	return aVal;
   225 }
   226 
   227 inline TUint32 DRMDStepping::arm_block_pre(const TUint32 aInst)
   228 {
   229 //#define ARM_BLOCK_PRE(x)		(((TUint32)(x) & 0x01000000) >> 24)	// bit 24
   230 
   231 	TUint32 aVal = ((aInst) & 0x01000000) >> 24;
   232 
   233 	return aVal;
   234 }
   235 
   236 // Branch instruction defines
   237 inline TUint32 DRMDStepping::arm_b_addr(const TUint32 aInst)
   238 {
   239 //#define ARM_B_ADDR(x)			((x & 0x00800000) ? ((TUint32)(x) & 0x00FFFFFF | 0xFF000000) : (TUint32)(x) & 0x00FFFFFF)
   240 
   241 	TUint32 aVal = ((aInst & 0x00800000) ? ((TUint32)(aInst) & 0x00FFFFFF | 0xFF000000) : (TUint32)(aInst) & 0x00FFFFFF);
   242 
   243 	return aVal;
   244 }
   245 
   246 inline TUint32 DRMDStepping::arm_instr_b_dest(const TUint32 aInst, TUint32& aAddress)
   247 {
   248 //#define ARM_INSTR_B_DEST(x,a)	(ARM_B_ADDR(x) << 2) + ((TUint32)(a) + 8)
   249 
   250 	TUint32 aVal = (arm_b_addr(aInst) << 2) + ((TUint32)(aAddress) + 8);
   251 
   252 	return aVal;
   253 }
   254 
   255 inline TUint32 DRMDStepping::thumb_b_addr(const TUint32 aInst)
   256 {
   257 //#define THUMB_B_ADDR(x) ((x & 0x0400) ? ((((TUint32)(x) & 0x07FF)<<11) | (((TUint32)(x) & 0x07FF0000)>>16) | 0xFFC00000) :\
   258                                             ((TUint32)(x) & 0x07FF)<<11) | (((TUint32)(x) & 0x07FF0000)>>16)
   259 
   260 	TUint32 aVal = ((((TUint32)(aInst) & 0x07FF)<<11) | ((TUint32)(aInst) & 0x07FF0000)>>16);
   261 
   262 	return ((aInst & 0x0400) ? (aVal | 0xFFC00000) : aVal);
   263 }
   264 
   265 inline TUint32 DRMDStepping::thumb_instr_b_dest(const TUint32 aInst, TUint32& aAddress)
   266 {
   267 //#define THUMB_INSTR_B_DEST(x,a)	(THUMB_B_ADDR(x) << 1) + ((TUint32)(a) + 4)
   268 
   269 	TUint32 aVal = (thumb_b_addr(aInst) << 1) + ((TUint32)(aAddress) + 4);
   270 
   271 	return aVal;
   272 }
   273 
   274 inline TUint32 DRMDStepping::arm_carry_bit(void)
   275 {
   276 //#define ARM_CARRY_BIT			0x20000000	// bit 30
   277 
   278 	TUint32 aVal = 0x20000000;
   279 
   280 	return aVal;
   281 }
   282 
   283 // Thumb instruction bitmasks
   284 inline TUint16 DRMDStepping::thumb_opcode(const TUint16 aInst)
   285 {
   286 //	#define THUMB_OPCODE(x)		(((TUint16)(x) & 0xF800) >> 11)
   287 
   288 	TUint16 aVal = ((aInst) & 0xF800) >> 11;
   289 
   290 	return aVal;
   291 }
   292 
   293 inline TUint16 DRMDStepping::thumb_inst_7_15(const TUint16 aInst)
   294 {
   295 //	#define THUMB_INST_7_15(x)	(((TUint16)(x) & 0xFF80) >> 7)
   296 
   297 	TUint16 aVal = ((aInst) & 0xFF80) >> 7;
   298 
   299 	return aVal;
   300 }
   301 
   302 inline TUint16 DRMDStepping::thumb_inst_8_15(const TUint16 aInst)
   303 {
   304 //	#define THUMB_INST_8_15(x)	(((TUint16)(x) & 0xFF00) >> 8)
   305 
   306 	TUint16 aVal = ((aInst) & 0xFF00) >> 8;
   307 
   308 	return aVal;
   309 }
   310 
   311 #endif	// D_RMD_STEPPPING_INL
   312 
   313 // End of file - d-rmd-stepping.inl