609 lines
19 KiB
C
609 lines
19 KiB
C
/* The common simulator framework for GDB, the GNU Debugger.
|
|
|
|
Copyright 2002-2015 Free Software Foundation, Inc.
|
|
|
|
Contributed by Andrew Cagney and Red Hat.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
|
|
#ifndef _SIM_BITS_H_
|
|
#define _SIM_BITS_H_
|
|
|
|
|
|
/* Bit manipulation routines:
|
|
|
|
Bit numbering: The bits are numbered according to the target ISA's
|
|
convention. That being controlled by WITH_TARGET_WORD_MSB. For
|
|
the PowerPC (WITH_TARGET_WORD_MSB == 0) the numbering is 0..31
|
|
while for the MIPS (WITH_TARGET_WORD_MSB == 31) it is 31..0.
|
|
|
|
Size convention: Each macro is in three forms - <MACRO>32 which
|
|
operates in 32bit quantity (bits are numbered 0..31); <MACRO>64
|
|
which operates using 64bit quantites (and bits are numbered 0..63);
|
|
and <MACRO> which operates using the bit size of the target
|
|
architecture (bits are still numbered 0..63), with 32bit
|
|
architectures ignoring the first 32bits leaving bit 32 as the most
|
|
significant.
|
|
|
|
NB: Use EXTRACTED, MSEXTRACTED and LSEXTRACTED as a guideline for
|
|
naming. LSMASK and LSMASKED are wrong.
|
|
|
|
BIT*(POS): `*' bit constant with just 1 bit set.
|
|
|
|
LSBIT*(OFFSET): `*' bit constant with just 1 bit set - LS bit is
|
|
zero.
|
|
|
|
MSBIT*(OFFSET): `*' bit constant with just 1 bit set - MS bit is
|
|
zero.
|
|
|
|
MASK*(FIRST, LAST): `*' bit constant with bits [FIRST .. LAST]
|
|
set. The <MACRO> (no size) version permits FIRST >= LAST and
|
|
generates a wrapped bit mask vis ([0..LAST] | [FIRST..LSB]).
|
|
|
|
LSMASK*(FIRST, LAST): Like MASK - LS bit is zero.
|
|
|
|
MSMASK*(FIRST, LAST): Like MASK - LS bit is zero.
|
|
|
|
MASKED*(VALUE, FIRST, LAST): Masks out all but bits [FIRST
|
|
.. LAST].
|
|
|
|
LSMASKED*(VALUE, FIRST, LAST): Like MASKED - LS bit is zero.
|
|
|
|
MSMASKED*(VALUE, FIRST, LAST): Like MASKED - MS bit is zero.
|
|
|
|
EXTRACTED*(VALUE, FIRST, LAST): Masks out bits [FIRST .. LAST] but
|
|
also right shifts the masked value so that bit LAST becomes the
|
|
least significant (right most).
|
|
|
|
LSEXTRACTED*(VALUE, FIRST, LAST): Same as extracted - LS bit is
|
|
zero.
|
|
|
|
MSEXTRACTED*(VALUE, FIRST, LAST): Same as extracted - MS bit is
|
|
zero.
|
|
|
|
SHUFFLED**(VALUE, OLD, NEW): Mask then move a single bit from OLD
|
|
new NEW.
|
|
|
|
MOVED**(VALUE, OLD_FIRST, OLD_LAST, NEW_FIRST, NEW_LAST): Moves
|
|
things around so that bits OLD_FIRST..OLD_LAST are masked then
|
|
moved to NEW_FIRST..NEW_LAST.
|
|
|
|
INSERTED*(VALUE, FIRST, LAST): Takes VALUE and `inserts' the (LAST
|
|
- FIRST + 1) least significant bits into bit positions [ FIRST
|
|
.. LAST ]. This is almost the complement to EXTRACTED.
|
|
|
|
IEA_MASKED(SHOULD_MASK, ADDR): Convert the address to the targets
|
|
natural size. If in 32bit mode, discard the high 32bits.
|
|
|
|
EXTEND*(VALUE): Convert the `*' bit value to the targets natural
|
|
word size. Sign extend the value if needed.
|
|
|
|
ALIGN_*(VALUE): Round the value upwards so that it is aligned to a
|
|
`_*' byte boundary.
|
|
|
|
FLOOR_*(VALUE): Truncate the value so that it is aligned to a `_*'
|
|
byte boundary.
|
|
|
|
ROT*(VALUE, NR_BITS): Return the `*' bit VALUE rotated by NR_BITS
|
|
right (positive) or left (negative).
|
|
|
|
ROTL*(VALUE, NR_BITS): Return the `*' bit value rotated by NR_BITS
|
|
left. 0 <= NR_BITS <= `*'.
|
|
|
|
ROTR*(VALUE, NR_BITS): Return the `*' bit value rotated by NR_BITS
|
|
right. 0 <= NR_BITS <= N.
|
|
|
|
SEXT*(VALUE, SIGN_BIT): Treat SIGN_BIT as VALUEs sign, extend it ti
|
|
`*' bits.
|
|
|
|
Note: Only the BIT* and MASK* macros return a constant that can be
|
|
used in variable declarations.
|
|
|
|
*/
|
|
|
|
|
|
/* compute the number of bits between START and STOP */
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define _MAKE_WIDTH(START, STOP) (STOP - START + 1)
|
|
#else
|
|
#define _MAKE_WIDTH(START, STOP) (START - STOP + 1)
|
|
#endif
|
|
|
|
|
|
|
|
/* compute the number shifts required to move a bit between LSB (MSB)
|
|
and POS */
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define _LSB_SHIFT(WIDTH, POS) (WIDTH - 1 - POS)
|
|
#else
|
|
#define _LSB_SHIFT(WIDTH, POS) (POS)
|
|
#endif
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define _MSB_SHIFT(WIDTH, POS) (POS)
|
|
#else
|
|
#define _MSB_SHIFT(WIDTH, POS) (WIDTH - 1 - POS)
|
|
#endif
|
|
|
|
|
|
/* compute the absolute bit position given the OFFSET from the MSB(LSB)
|
|
NB: _MAKE_xxx_POS (WIDTH, _MAKE_xxx_SHIFT (WIDTH, POS)) == POS */
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define _MSB_POS(WIDTH, SHIFT) (SHIFT)
|
|
#else
|
|
#define _MSB_POS(WIDTH, SHIFT) (WIDTH - 1 - SHIFT)
|
|
#endif
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define _LSB_POS(WIDTH, SHIFT) (WIDTH - 1 - SHIFT)
|
|
#else
|
|
#define _LSB_POS(WIDTH, SHIFT) (SHIFT)
|
|
#endif
|
|
|
|
|
|
/* convert a 64 bit position into a corresponding 32bit position. MSB
|
|
pos handles the posibility that the bit lies beyond the 32bit
|
|
boundary */
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define _MSB_32(START, STOP) (START <= STOP \
|
|
? (START < 32 ? 0 : START - 32) \
|
|
: (STOP < 32 ? 0 : STOP - 32))
|
|
#define _MSB_16(START, STOP) (START <= STOP \
|
|
? (START < 48 ? 0 : START - 48) \
|
|
: (STOP < 48 ? 0 : STOP - 48))
|
|
#else
|
|
#define _MSB_32(START, STOP) (START >= STOP \
|
|
? (START >= 32 ? 31 : START) \
|
|
: (STOP >= 32 ? 31 : STOP))
|
|
#define _MSB_16(START, STOP) (START >= STOP \
|
|
? (START >= 16 ? 15 : START) \
|
|
: (STOP >= 16 ? 15 : STOP))
|
|
#endif
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define _LSB_32(START, STOP) (START <= STOP \
|
|
? (STOP < 32 ? 0 : STOP - 32) \
|
|
: (START < 32 ? 0 : START - 32))
|
|
#define _LSB_16(START, STOP) (START <= STOP \
|
|
? (STOP < 48 ? 0 : STOP - 48) \
|
|
: (START < 48 ? 0 : START - 48))
|
|
#else
|
|
#define _LSB_32(START, STOP) (START >= STOP \
|
|
? (STOP >= 32 ? 31 : STOP) \
|
|
: (START >= 32 ? 31 : START))
|
|
#define _LSB_16(START, STOP) (START >= STOP \
|
|
? (STOP >= 16 ? 15 : STOP) \
|
|
: (START >= 16 ? 15 : START))
|
|
#endif
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define _MSB(START, STOP) (START <= STOP ? START : STOP)
|
|
#else
|
|
#define _MSB(START, STOP) (START >= STOP ? START : STOP)
|
|
#endif
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define _LSB(START, STOP) (START <= STOP ? STOP : START)
|
|
#else
|
|
#define _LSB(START, STOP) (START >= STOP ? STOP : START)
|
|
#endif
|
|
|
|
|
|
/* LS/MS Bit operations */
|
|
|
|
#define LSBIT8(POS) ((unsigned8) 1 << (POS))
|
|
#define LSBIT16(POS) ((unsigned16)1 << (POS))
|
|
#define LSBIT32(POS) ((unsigned32)1 << (POS))
|
|
#define LSBIT64(POS) ((unsigned64)1 << (POS))
|
|
|
|
#if (WITH_TARGET_WORD_BITSIZE == 64)
|
|
#define LSBIT(POS) LSBIT64 (POS)
|
|
#endif
|
|
#if (WITH_TARGET_WORD_BITSIZE == 32)
|
|
#define LSBIT(POS) ((unsigned32)((POS) >= 32 \
|
|
? 0 \
|
|
: (1 << ((POS) >= 32 ? 0 : (POS)))))
|
|
#endif
|
|
#if (WITH_TARGET_WORD_BITSIZE == 16)
|
|
#define LSBIT(POS) ((unsigned16)((POS) >= 16 \
|
|
? 0 \
|
|
: (1 << ((POS) >= 16 ? 0 : (POS)))))
|
|
#endif
|
|
|
|
|
|
#define MSBIT8(POS) ((unsigned8) 1 << ( 8 - 1 - (POS)))
|
|
#define MSBIT16(POS) ((unsigned16)1 << (16 - 1 - (POS)))
|
|
#define MSBIT32(POS) ((unsigned32)1 << (32 - 1 - (POS)))
|
|
#define MSBIT64(POS) ((unsigned64)1 << (64 - 1 - (POS)))
|
|
|
|
#if (WITH_TARGET_WORD_BITSIZE == 64)
|
|
#define MSBIT(POS) MSBIT64 (POS)
|
|
#endif
|
|
#if (WITH_TARGET_WORD_BITSIZE == 32)
|
|
#define MSBIT(POS) ((unsigned32)((POS) < 32 \
|
|
? 0 \
|
|
: (1 << ((POS) < 32 ? 0 : (64 - 1) - (POS)))))
|
|
#endif
|
|
#if (WITH_TARGET_WORD_BITSIZE == 16)
|
|
#define MSBIT(POS) ((unsigned16)((POS) < 48 \
|
|
? 0 \
|
|
: (1 << ((POS) < 48 ? 0 : (64 - 1) - (POS)))))
|
|
#endif
|
|
|
|
|
|
/* Bit operations */
|
|
|
|
#define BIT4(POS) (1 << _LSB_SHIFT (4, (POS)))
|
|
#define BIT5(POS) (1 << _LSB_SHIFT (5, (POS)))
|
|
#define BIT10(POS) (1 << _LSB_SHIFT (10, (POS)))
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define BIT8 MSBIT8
|
|
#define BIT16 MSBIT16
|
|
#define BIT32 MSBIT32
|
|
#define BIT64 MSBIT64
|
|
#define BIT MSBIT
|
|
#else
|
|
#define BIT8 LSBIT8
|
|
#define BIT16 LSBIT16
|
|
#define BIT32 LSBIT32
|
|
#define BIT64 LSBIT64
|
|
#define BIT LSBIT
|
|
#endif
|
|
|
|
|
|
|
|
/* multi bit mask */
|
|
|
|
/* 111111 -> mmll11 -> mm11ll */
|
|
#define _MASKn(WIDTH, START, STOP) (((unsigned##WIDTH)(-1) \
|
|
>> (_MSB_SHIFT (WIDTH, START) \
|
|
+ _LSB_SHIFT (WIDTH, STOP))) \
|
|
<< _LSB_SHIFT (WIDTH, STOP))
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define _POS_LE(START, STOP) (START <= STOP)
|
|
#else
|
|
#define _POS_LE(START, STOP) (STOP <= START)
|
|
#endif
|
|
|
|
#if (WITH_TARGET_WORD_BITSIZE == 64)
|
|
#define MASK(START, STOP) \
|
|
(_POS_LE ((START), (STOP)) \
|
|
? _MASKn(64, \
|
|
_MSB ((START), (STOP)), \
|
|
_LSB ((START), (STOP)) ) \
|
|
: (_MASKn(64, _MSB_POS (64, 0), (STOP)) \
|
|
| _MASKn(64, (START), _LSB_POS (64, 0))))
|
|
#endif
|
|
#if (WITH_TARGET_WORD_BITSIZE == 32)
|
|
#define MASK(START, STOP) \
|
|
(_POS_LE ((START), (STOP)) \
|
|
? (_POS_LE ((STOP), _MSB_POS (64, 31)) \
|
|
? 0 \
|
|
: _MASKn (32, \
|
|
_MSB_32 ((START), (STOP)), \
|
|
_LSB_32 ((START), (STOP)))) \
|
|
: (_MASKn (32, \
|
|
_LSB_32 ((START), (STOP)), \
|
|
_LSB_POS (32, 0)) \
|
|
| (_POS_LE ((STOP), _MSB_POS (64, 31)) \
|
|
? 0 \
|
|
: _MASKn (32, \
|
|
_MSB_POS (32, 0), \
|
|
_MSB_32 ((START), (STOP))))))
|
|
#endif
|
|
#if (WITH_TARGET_WORD_BITSIZE == 16)
|
|
#define MASK(START, STOP) \
|
|
(_POS_LE ((START), (STOP)) \
|
|
? (_POS_LE ((STOP), _MSB_POS (64, 15)) \
|
|
? 0 \
|
|
: _MASKn (16, \
|
|
_MSB_16 ((START), (STOP)), \
|
|
_LSB_16 ((START), (STOP)))) \
|
|
: (_MASKn (16, \
|
|
_LSB_16 ((START), (STOP)), \
|
|
_LSB_POS (16, 0)) \
|
|
| (_POS_LE ((STOP), _MSB_POS (64, 15)) \
|
|
? 0 \
|
|
: _MASKn (16, \
|
|
_MSB_POS (16, 0), \
|
|
_MSB_16 ((START), (STOP))))))
|
|
#endif
|
|
#if !defined (MASK)
|
|
#error "MASK never undefined"
|
|
#endif
|
|
|
|
|
|
/* Multi-bit mask on least significant bits */
|
|
|
|
#define _LSMASKn(WIDTH, FIRST, LAST) _MASKn (WIDTH, \
|
|
_LSB_POS (WIDTH, FIRST), \
|
|
_LSB_POS (WIDTH, LAST))
|
|
|
|
#define LSMASK8(FIRST, LAST) _LSMASKn ( 8, (FIRST), (LAST))
|
|
#define LSMASK16(FIRST, LAST) _LSMASKn (16, (FIRST), (LAST))
|
|
#define LSMASK32(FIRST, LAST) _LSMASKn (32, (FIRST), (LAST))
|
|
#define LSMASK64(FIRST, LAST) _LSMASKn (64, (FIRST), (LAST))
|
|
|
|
#define LSMASK(FIRST, LAST) (MASK (_LSB_POS (64, FIRST), _LSB_POS (64, LAST)))
|
|
|
|
|
|
/* Multi-bit mask on most significant bits */
|
|
|
|
#define _MSMASKn(WIDTH, FIRST, LAST) _MASKn (WIDTH, \
|
|
_MSB_POS (WIDTH, FIRST), \
|
|
_MSB_POS (WIDTH, LAST))
|
|
|
|
#define MSMASK8(FIRST, LAST) _MSMASKn ( 8, (FIRST), (LAST))
|
|
#define MSMASK16(FIRST, LAST) _MSMASKn (16, (FIRST), (LAST))
|
|
#define MSMASK32(FIRST, LAST) _MSMASKn (32, (FIRST), (LAST))
|
|
#define MSMASK64(FIRST, LAST) _MSMASKn (64, (FIRST), (LAST))
|
|
|
|
#define MSMASK(FIRST, LAST) (MASK (_MSB_POS (64, FIRST), _MSB_POS (64, LAST)))
|
|
|
|
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define MASK8 MSMASK8
|
|
#define MASK16 MSMASK16
|
|
#define MASK32 MSMASK32
|
|
#define MASK64 MSMASK64
|
|
#else
|
|
#define MASK8 LSMASK8
|
|
#define MASK16 LSMASK16
|
|
#define MASK32 LSMASK32
|
|
#define MASK64 LSMASK64
|
|
#endif
|
|
|
|
|
|
|
|
/* mask the required bits, leaving them in place */
|
|
|
|
INLINE_SIM_BITS(unsigned8) LSMASKED8 (unsigned8 word, int first, int last);
|
|
INLINE_SIM_BITS(unsigned16) LSMASKED16 (unsigned16 word, int first, int last);
|
|
INLINE_SIM_BITS(unsigned32) LSMASKED32 (unsigned32 word, int first, int last);
|
|
INLINE_SIM_BITS(unsigned64) LSMASKED64 (unsigned64 word, int first, int last);
|
|
|
|
INLINE_SIM_BITS(unsigned_word) LSMASKED (unsigned_word word, int first, int last);
|
|
|
|
INLINE_SIM_BITS(unsigned8) MSMASKED8 (unsigned8 word, int first, int last);
|
|
INLINE_SIM_BITS(unsigned16) MSMASKED16 (unsigned16 word, int first, int last);
|
|
INLINE_SIM_BITS(unsigned32) MSMASKED32 (unsigned32 word, int first, int last);
|
|
INLINE_SIM_BITS(unsigned64) MSMASKED64 (unsigned64 word, int first, int last);
|
|
|
|
INLINE_SIM_BITS(unsigned_word) MSMASKED (unsigned_word word, int first, int last);
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define MASKED8 MSMASKED8
|
|
#define MASKED16 MSMASKED16
|
|
#define MASKED32 MSMASKED32
|
|
#define MASKED64 MSMASKED64
|
|
#define MASKED MSMASKED
|
|
#else
|
|
#define MASKED8 LSMASKED8
|
|
#define MASKED16 LSMASKED16
|
|
#define MASKED32 LSMASKED32
|
|
#define MASKED64 LSMASKED64
|
|
#define MASKED LSMASKED
|
|
#endif
|
|
|
|
|
|
|
|
/* extract the required bits aligning them with the lsb */
|
|
|
|
INLINE_SIM_BITS(unsigned8) LSEXTRACTED8 (unsigned8 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned16) LSEXTRACTED16 (unsigned16 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned32) LSEXTRACTED32 (unsigned32 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned64) LSEXTRACTED64 (unsigned64 val, int start, int stop);
|
|
|
|
INLINE_SIM_BITS(unsigned_word) LSEXTRACTED (unsigned_word val, int start, int stop);
|
|
|
|
INLINE_SIM_BITS(unsigned8) MSEXTRACTED8 (unsigned8 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned16) MSEXTRACTED16 (unsigned16 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned32) MSEXTRACTED32 (unsigned32 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned64) MSEXTRACTED64 (unsigned64 val, int start, int stop);
|
|
|
|
INLINE_SIM_BITS(unsigned_word) MSEXTRACTED (unsigned_word val, int start, int stop);
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define EXTRACTED8 MSEXTRACTED8
|
|
#define EXTRACTED16 MSEXTRACTED16
|
|
#define EXTRACTED32 MSEXTRACTED32
|
|
#define EXTRACTED64 MSEXTRACTED64
|
|
#define EXTRACTED MSEXTRACTED
|
|
#else
|
|
#define EXTRACTED8 LSEXTRACTED8
|
|
#define EXTRACTED16 LSEXTRACTED16
|
|
#define EXTRACTED32 LSEXTRACTED32
|
|
#define EXTRACTED64 LSEXTRACTED64
|
|
#define EXTRACTED LSEXTRACTED
|
|
#endif
|
|
|
|
|
|
|
|
/* move a single bit around */
|
|
/* NB: the wierdness (N>O?N-O:0) is to stop a warning from GCC */
|
|
#define _SHUFFLEDn(N, WORD, OLD, NEW) \
|
|
((OLD) < (NEW) \
|
|
? (((unsigned##N)(WORD) \
|
|
>> (((NEW) > (OLD)) ? ((NEW) - (OLD)) : 0)) \
|
|
& MASK32((NEW), (NEW))) \
|
|
: (((unsigned##N)(WORD) \
|
|
<< (((OLD) > (NEW)) ? ((OLD) - (NEW)) : 0)) \
|
|
& MASK32((NEW), (NEW))))
|
|
|
|
#define SHUFFLED32(WORD, OLD, NEW) _SHUFFLEDn (32, WORD, OLD, NEW)
|
|
#define SHUFFLED64(WORD, OLD, NEW) _SHUFFLEDn (64, WORD, OLD, NEW)
|
|
|
|
#define SHUFFLED(WORD, OLD, NEW) _SHUFFLEDn (_word, WORD, OLD, NEW)
|
|
|
|
|
|
/* Insert a group of bits into a bit position */
|
|
|
|
INLINE_SIM_BITS(unsigned8) LSINSERTED8 (unsigned8 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned16) LSINSERTED16 (unsigned16 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned32) LSINSERTED32 (unsigned32 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned64) LSINSERTED64 (unsigned64 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned_word) LSINSERTED (unsigned_word val, int start, int stop);
|
|
|
|
INLINE_SIM_BITS(unsigned8) MSINSERTED8 (unsigned8 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned16) MSINSERTED16 (unsigned16 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned32) MSINSERTED32 (unsigned32 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned64) MSINSERTED64 (unsigned64 val, int start, int stop);
|
|
INLINE_SIM_BITS(unsigned_word) MSINSERTED (unsigned_word val, int start, int stop);
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define INSERTED8 MSINSERTED8
|
|
#define INSERTED16 MSINSERTED16
|
|
#define INSERTED32 MSINSERTED32
|
|
#define INSERTED64 MSINSERTED64
|
|
#define INSERTED MSINSERTED
|
|
#else
|
|
#define INSERTED8 LSINSERTED8
|
|
#define INSERTED16 LSINSERTED16
|
|
#define INSERTED32 LSINSERTED32
|
|
#define INSERTED64 LSINSERTED64
|
|
#define INSERTED LSINSERTED
|
|
#endif
|
|
|
|
|
|
|
|
/* MOVE bits from one loc to another (combination of extract/insert) */
|
|
|
|
#define MOVED8(VAL,OH,OL,NH,NL) INSERTED8 (EXTRACTED8 ((VAL), OH, OL), NH, NL)
|
|
#define MOVED16(VAL,OH,OL,NH,NL) INSERTED16(EXTRACTED16((VAL), OH, OL), NH, NL)
|
|
#define MOVED32(VAL,OH,OL,NH,NL) INSERTED32(EXTRACTED32((VAL), OH, OL), NH, NL)
|
|
#define MOVED64(VAL,OH,OL,NH,NL) INSERTED64(EXTRACTED64((VAL), OH, OL), NH, NL)
|
|
#define MOVED(VAL,OH,OL,NH,NL) INSERTED (EXTRACTED ((VAL), OH, OL), NH, NL)
|
|
|
|
|
|
|
|
/* Sign extend the quantity to the targets natural word size */
|
|
|
|
#define EXTEND4(X) (LSSEXT ((X), 3))
|
|
#define EXTEND5(X) (LSSEXT ((X), 4))
|
|
#define EXTEND8(X) ((signed_word)(signed8)(X))
|
|
#define EXTEND11(X) (LSSEXT ((X), 10))
|
|
#define EXTEND15(X) (LSSEXT ((X), 14))
|
|
#define EXTEND16(X) ((signed_word)(signed16)(X))
|
|
#define EXTEND24(X) (LSSEXT ((X), 23))
|
|
#define EXTEND32(X) ((signed_word)(signed32)(X))
|
|
#define EXTEND64(X) ((signed_word)(signed64)(X))
|
|
|
|
/* depending on MODE return a 64bit or 32bit (sign extended) value */
|
|
#if (WITH_TARGET_WORD_BITSIZE == 64)
|
|
#define EXTENDED(X) ((signed64)(signed32)(X))
|
|
#endif
|
|
#if (WITH_TARGET_WORD_BITSIZE == 32)
|
|
#define EXTENDED(X) (X)
|
|
#endif
|
|
#if (WITH_TARGET_WORD_BITSIZE == 16)
|
|
#define EXTENDED(X) (X)
|
|
#endif
|
|
|
|
|
|
/* memory alignment macro's */
|
|
#define _ALIGNa(A,X) (((X) + ((A) - 1)) & ~((A) - 1))
|
|
#define _FLOORa(A,X) ((X) & ~((A) - 1))
|
|
|
|
#define ALIGN_8(X) _ALIGNa (8, X)
|
|
#define ALIGN_16(X) _ALIGNa (16, X)
|
|
|
|
#define ALIGN_PAGE(X) _ALIGNa (0x1000, X)
|
|
#define FLOOR_PAGE(X) ((X) & ~(0x1000 - 1))
|
|
|
|
|
|
/* bit bliting macro's */
|
|
#define BLIT32(V, POS, BIT) \
|
|
do { \
|
|
if (BIT) \
|
|
V |= BIT32 (POS); \
|
|
else \
|
|
V &= ~BIT32 (POS); \
|
|
} while (0)
|
|
#define MBLIT32(V, LO, HI, VAL) \
|
|
do { \
|
|
(V) = (((V) & ~MASK32 ((LO), (HI))) \
|
|
| INSERTED32 (VAL, LO, HI)); \
|
|
} while (0)
|
|
|
|
|
|
|
|
/* some rotate functions. The generic macro's ROT, ROTL, ROTR are
|
|
intentionally omited. */
|
|
|
|
|
|
INLINE_SIM_BITS(unsigned8) ROT8 (unsigned8 val, int shift);
|
|
INLINE_SIM_BITS(unsigned16) ROT16 (unsigned16 val, int shift);
|
|
INLINE_SIM_BITS(unsigned32) ROT32 (unsigned32 val, int shift);
|
|
INLINE_SIM_BITS(unsigned64) ROT64 (unsigned64 val, int shift);
|
|
|
|
|
|
INLINE_SIM_BITS(unsigned8) ROTL8 (unsigned8 val, int shift);
|
|
INLINE_SIM_BITS(unsigned16) ROTL16 (unsigned16 val, int shift);
|
|
INLINE_SIM_BITS(unsigned32) ROTL32 (unsigned32 val, int shift);
|
|
INLINE_SIM_BITS(unsigned64) ROTL64 (unsigned64 val, int shift);
|
|
|
|
|
|
INLINE_SIM_BITS(unsigned8) ROTR8 (unsigned8 val, int shift);
|
|
INLINE_SIM_BITS(unsigned16) ROTR16 (unsigned16 val, int shift);
|
|
INLINE_SIM_BITS(unsigned32) ROTR32 (unsigned32 val, int shift);
|
|
INLINE_SIM_BITS(unsigned64) ROTR64 (unsigned64 val, int shift);
|
|
|
|
|
|
|
|
/* Sign extension operations */
|
|
|
|
INLINE_SIM_BITS(unsigned8) LSSEXT8 (signed8 val, int sign_bit);
|
|
INLINE_SIM_BITS(unsigned16) LSSEXT16 (signed16 val, int sign_bit);
|
|
INLINE_SIM_BITS(unsigned32) LSSEXT32 (signed32 val, int sign_bit);
|
|
INLINE_SIM_BITS(unsigned64) LSSEXT64 (signed64 val, int sign_bit);
|
|
INLINE_SIM_BITS(unsigned_word) LSSEXT (signed_word val, int sign_bit);
|
|
|
|
INLINE_SIM_BITS(unsigned8) MSSEXT8 (signed8 val, int sign_bit);
|
|
INLINE_SIM_BITS(unsigned16) MSSEXT16 (signed16 val, int sign_bit);
|
|
INLINE_SIM_BITS(unsigned32) MSSEXT32 (signed32 val, int sign_bit);
|
|
INLINE_SIM_BITS(unsigned64) MSSEXT64 (signed64 val, int sign_bit);
|
|
INLINE_SIM_BITS(unsigned_word) MSSEXT (signed_word val, int sign_bit);
|
|
|
|
#if (WITH_TARGET_WORD_MSB == 0)
|
|
#define SEXT8 MSSEXT8
|
|
#define SEXT16 MSSEXT16
|
|
#define SEXT32 MSSEXT32
|
|
#define SEXT64 MSSEXT64
|
|
#define SEXT MSSEXT
|
|
#else
|
|
#define SEXT8 LSSEXT8
|
|
#define SEXT16 LSSEXT16
|
|
#define SEXT32 LSSEXT32
|
|
#define SEXT64 LSSEXT64
|
|
#define SEXT LSSEXT
|
|
#endif
|
|
|
|
|
|
|
|
#if H_REVEALS_MODULE_P (SIM_BITS_INLINE)
|
|
#include "sim-bits.c"
|
|
#endif
|
|
|
|
#endif /* _SIM_BITS_H_ */
|