// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//
/**
@file
@internalComponent
@released
*/
#ifndef D_RMD_STEPPING_INL
#define D_RMD_STEPPING_INL
//
// IsBitSet
//
// Returns 1 if the bit 'aNum' is set within aBitset, 0 otherwise
inline TUint32 DRMDStepping::IsBitSet(const TUint32 aBitset, const TUint8 aNum)
{
return (aBitset & (1 << aNum) );
}
//
// BitCount
//
// Count number of bits in aVal
inline TUint32 DRMDStepping::BitCount(const TUint32 aVal)
{
TUint32 num = 0;
for(TInt i = 0; i < 32; i++)
{
if ((1 << i) & aVal)
{
num++;
}
}
return num;
}
//
// Thumb2 opcode decoding
//
// Special data instructions and branch and exchange.
//
// Returns Opcode as defined in ARM ARM DDI0406A, section A6.2.3
inline TUint16 DRMDStepping::t2opcode16special(const TUint16 aInst)
{
TUint8 aVal = (aInst & 0x03C0) >> 5;
return aVal;
}
// Thumb2 opcode decoding instructions
//
// Returns Opcode as defined in ARM ARM DDI0406A, section A6.2
// 16-bit Thumb instruction encoding
inline TUint16 DRMDStepping::t2opcode16(const TUint16 aInst)
{
TUint16 aVal = (aInst & 0xFC00) >> 9;
return aVal;
}
// ARM opcode decoding functions
inline TUint32 DRMDStepping::arm_opcode(const TUint32 aInst)
{
// #define ARM_OPCODE(x) (((TUint32)(x) & 0x0E000000) >> 25)
TUint32 aVal = ((aInst) & 0x0E000000) >> 25;
return aVal;
}
inline TUint32 DRMDStepping:: arm_rm(const TUint32 aInst)
{
//#define ARM_RM(x) ((TUint32)(x) & 0x0000000F) // bit 0- 4
TUint32 aVal = (aInst) & 0x0000000F;
return aVal;
}
inline TUint32 DRMDStepping:: arm_rs(const TUint32 aInst)
{
//#define ARM_RS(x) (((TUint32)(x) & 0x00000F00) >> 8) // bit 8-11
TUint32 aVal = ((aInst) & 0x00000F00) >> 8;
return aVal;
}
inline TUint32 DRMDStepping:: arm_rd(const TUint32 aInst)
{
//#define ARM_RD(x) (((TUint32)(x) & 0x0000F000) >> 12) // bit 12-15
TUint32 aVal = ((aInst) & 0x0000F000) >> 12;
return aVal;
}
inline TUint32 DRMDStepping:: arm_rn(const TUint32 aInst)
{
//#define ARM_RN(x) (((TUint32)(x) & 0x000F0000) >> 16) // bit 16-19
TUint32 aVal = ((aInst) & 0x000F0000) >> 16;
return aVal;
}
inline TUint32 DRMDStepping::arm_load(const TUint32 aInst)
{
//#define ARM_LOAD(x) (((TUint32)(x) & 0x00100000) >> 20) // bit 20
TUint32 aVal = ((aInst) & 0x00100000) >> 20;
return aVal;
}
// Data processing instruction defines
inline TUint32 DRMDStepping::arm_data_shift(const TUint32 aInst)
{
//#define ARM_DATA_SHIFT(x) (((TUint32)(x) & 0x00000060) >> 5) // bit 5- 6
TUint32 aVal = ((aInst) & 0x00000060) >> 5;
return aVal;
}
inline TUint32 DRMDStepping::arm_data_c(const TUint32 aInst)
{
//#define ARM_DATA_C(x) (((TUint32)(x) & 0x00000F80) >> 7) // bit 7-11
TUint32 aVal = ((aInst) & 0x00000F80) >> 7;
return aVal;
}
inline TUint32 DRMDStepping::arm_data_imm(const TUint32 aInst)
{
//#define ARM_DATA_IMM(x) ((TUint32)(x) & 0x000000FF) // bit 0-7
TUint32 aVal = (aInst) & 0x000000FF;
return aVal;
}
inline TUint32 DRMDStepping::arm_data_rot(const TUint32 aInst)
{
//#define ARM_DATA_ROT(x) (((TUint32)(x) & 0x00000F00) >> 8) // bit 8-11
TUint32 aVal = ((aInst) & 0x00000F00) >> 8;
return aVal;
}
// Single date transfer instruction defines
inline TUint32 DRMDStepping::arm_single_imm(const TUint32 aInst)
{
//#define ARM_SINGLE_IMM(x) ((TUint32)(x) & 0x00000FFF) // bit 0-11
TUint32 aVal = (aInst) & 0x00000FFF;
return aVal;
}
inline TUint32 DRMDStepping::arm_single_byte(const TUint32 aInst)
{
//#define ARM_SINGLE_BYTE(x) (((TUint32)(x) & 0x00400000) >> 22) // bit 22
TUint32 aVal = ((aInst) & 0x00400000) >> 22;
return aVal;
}
inline TUint32 DRMDStepping::arm_single_u(const TUint32 aInst)
{
//#define ARM_SINGLE_U(x) (((TUint32)(x) & 0x00800000) >> 23) // bit 23
TUint32 aVal = ((aInst) & 0x00800000) >> 23;
return aVal;
}
inline TUint32 DRMDStepping::arm_single_pre(const TUint32 aInst)
{
//#define ARM_SINGLE_PRE(x) (((TUint32)(x) & 0x01000000) >> 24) // bit 24
TUint32 aVal = ((aInst) & 0x01000000) >> 24;
return aVal;
}
// Block data transfer instruction defines
inline TUint32 DRMDStepping::arm_block_reglist(const TUint32 aInst)
{
//#define ARM_BLOCK_REGLIST(x) ((TUint32)(x) & 0x0000FFFF) // bit 0-15
TUint32 aVal = (aInst) & 0x0000FFFF;
return aVal;
}
inline TUint32 DRMDStepping::arm_block_u(const TUint32 aInst)
{
//#define ARM_BLOCK_U(x) (((TUint32)(x) & 0x00800000) >> 23) // bit 23
TUint32 aVal = ((aInst) & 0x00800000) >> 23;
return aVal;
}
inline TUint32 DRMDStepping::arm_block_pre(const TUint32 aInst)
{
//#define ARM_BLOCK_PRE(x) (((TUint32)(x) & 0x01000000) >> 24) // bit 24
TUint32 aVal = ((aInst) & 0x01000000) >> 24;
return aVal;
}
// Branch instruction defines
inline TUint32 DRMDStepping::arm_b_addr(const TUint32 aInst)
{
//#define ARM_B_ADDR(x) ((x & 0x00800000) ? ((TUint32)(x) & 0x00FFFFFF | 0xFF000000) : (TUint32)(x) & 0x00FFFFFF)
TUint32 aVal = ((aInst & 0x00800000) ? ((TUint32)(aInst) & 0x00FFFFFF | 0xFF000000) : (TUint32)(aInst) & 0x00FFFFFF);
return aVal;
}
inline TUint32 DRMDStepping::arm_instr_b_dest(const TUint32 aInst, TUint32& aAddress)
{
//#define ARM_INSTR_B_DEST(x,a) (ARM_B_ADDR(x) << 2) + ((TUint32)(a) + 8)
TUint32 aVal = (arm_b_addr(aInst) << 2) + ((TUint32)(aAddress) + 8);
return aVal;
}
inline TUint32 DRMDStepping::thumb_b_addr(const TUint32 aInst)
{
//#define THUMB_B_ADDR(x) ((x & 0x0400) ? ((((TUint32)(x) & 0x07FF)<<11) | (((TUint32)(x) & 0x07FF0000)>>16) | 0xFFC00000) :\
((TUint32)(x) & 0x07FF)<<11) | (((TUint32)(x) & 0x07FF0000)>>16)
TUint32 aVal = ((((TUint32)(aInst) & 0x07FF)<<11) | ((TUint32)(aInst) & 0x07FF0000)>>16);
return ((aInst & 0x0400) ? (aVal | 0xFFC00000) : aVal);
}
inline TUint32 DRMDStepping::thumb_instr_b_dest(const TUint32 aInst, TUint32& aAddress)
{
//#define THUMB_INSTR_B_DEST(x,a) (THUMB_B_ADDR(x) << 1) + ((TUint32)(a) + 4)
TUint32 aVal = (thumb_b_addr(aInst) << 1) + ((TUint32)(aAddress) + 4);
return aVal;
}
inline TUint32 DRMDStepping::arm_carry_bit(void)
{
//#define ARM_CARRY_BIT 0x20000000 // bit 30
TUint32 aVal = 0x20000000;
return aVal;
}
// Thumb instruction bitmasks
inline TUint16 DRMDStepping::thumb_opcode(const TUint16 aInst)
{
// #define THUMB_OPCODE(x) (((TUint16)(x) & 0xF800) >> 11)
TUint16 aVal = ((aInst) & 0xF800) >> 11;
return aVal;
}
inline TUint16 DRMDStepping::thumb_inst_7_15(const TUint16 aInst)
{
// #define THUMB_INST_7_15(x) (((TUint16)(x) & 0xFF80) >> 7)
TUint16 aVal = ((aInst) & 0xFF80) >> 7;
return aVal;
}
inline TUint16 DRMDStepping::thumb_inst_8_15(const TUint16 aInst)
{
// #define THUMB_INST_8_15(x) (((TUint16)(x) & 0xFF00) >> 8)
TUint16 aVal = ((aInst) & 0xFF00) >> 8;
return aVal;
}
#endif // D_RMD_STEPPPING_INL
// End of file - d-rmd-stepping.inl