opcode header file for the txvu
This commit is contained in:
Doug Evans
parent
0b0bd98b80
commit
70e4ceaccb
3 changed files with 268 additions and 0 deletions
|
|
@ -31,6 +31,14 @@ else
|
|||
lose_these_too="${tic80_files} ${lose_these_too}"
|
||||
fi
|
||||
|
||||
sky_files="txvu.h"
|
||||
|
||||
if ( echo $* | grep keep\-sky > /dev/null ) ; then
|
||||
keep_these_too="${sky_files} ${keep_these_too}"
|
||||
else
|
||||
lose_these_too="${sky_files} ${lose_these_too}"
|
||||
fi
|
||||
|
||||
# All files listed between the "Things-to-keep:" line and the
|
||||
# "Files-to-sed:" line will be kept. All other files will be removed.
|
||||
# Directories listed in this section will have their own Sanitize
|
||||
|
|
@ -241,6 +249,34 @@ else
|
|||
done
|
||||
fi
|
||||
|
||||
sky_files="ChangeLog"
|
||||
if ( echo $* | grep keep\-sky > /dev/null ) ; then
|
||||
for i in $sky_files ; do
|
||||
if test ! -d $i && (grep sanitize-sky $i > /dev/null) ; then
|
||||
if [ -n "${verbose}" ] ; then
|
||||
echo Keeping sky stuff in $i
|
||||
fi
|
||||
fi
|
||||
done
|
||||
else
|
||||
for i in $sky_files ; do
|
||||
if test ! -d $i && (grep sanitize-sky $i > /dev/null) ; then
|
||||
if [ -n "${verbose}" ] ; then
|
||||
echo Removing traces of \"sky\" from $i...
|
||||
fi
|
||||
cp $i new
|
||||
sed '/start\-sanitize\-sky/,/end-\sanitize\-sky/d' < $i > new
|
||||
if [ -n "${safe}" -a ! -f .Recover/$i ] ; then
|
||||
if [ -n "${verbose}" ] ; then
|
||||
echo Caching $i in .Recover...
|
||||
fi
|
||||
mv $i .Recover
|
||||
fi
|
||||
mv new $i
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
coldfire_files="ChangeLog m68k.h"
|
||||
if ( echo $* | grep keep\-coldfire > /dev/null ) ; then
|
||||
for i in $coldfire_files ; do
|
||||
|
|
|
|||
|
|
@ -1,3 +1,18 @@
|
|||
start-sanitize-sky
|
||||
Mon Jan 5 13:33:21 1998 Doug Evans <devans@seba.cygnus.com>
|
||||
|
||||
* txvu.h: New file
|
||||
|
||||
end-sanitize-sky
|
||||
start-sanitize-d30v
|
||||
Tue Dec 16 15:15:52 1997 Michael Meissner <meissner@cygnus.com>
|
||||
|
||||
* d30v.h (d30v_opcode): Reorder flags somewhat, add new flags for
|
||||
2 word load/store, ADDppp/SUBppp, 16/32 bit multiply. Make
|
||||
flags_{used,set} long.
|
||||
(d30v_operand): Make flags field long.
|
||||
|
||||
end-sanitize-d30v
|
||||
Mon Dec 1 12:24:44 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
|
||||
|
||||
* m68k.h: Fix comment describing operand types.
|
||||
|
|
|
|||
217
include/opcode/txvu.h
Normal file
217
include/opcode/txvu.h
Normal file
|
|
@ -0,0 +1,217 @@
|
|||
/* Opcode table for the TXVU.
|
||||
Copyright 1998 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GAS, the GNU Assembler, GDB, the GNU debugger, and
|
||||
the GNU Binutils.
|
||||
|
||||
GAS/GDB 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 2, or (at your option)
|
||||
any later version.
|
||||
|
||||
GAS/GDB 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 GAS or GDB; see the file COPYING. If not, write to
|
||||
the Free Software Foundation, 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* Type to denote a TXVU instruction (at least a 32 bit unsigned int). */
|
||||
typedef unsigned int TXVU_INSN;
|
||||
|
||||
/* Maximum number of operands an instruction can have. */
|
||||
#define TXVU_MAX_OPERANDS 8
|
||||
|
||||
struct txvu_opcode {
|
||||
char *mnemonic;
|
||||
/* The value stored is 128 + operand number.
|
||||
This allows ASCII chars to go here as well. */
|
||||
unsigned char syntax[TXVU_MAX_OPERANDS];
|
||||
TXVU_INSN mask, value; /* recognize insn if (op&mask)==value */
|
||||
int flags; /* various flag bits */
|
||||
|
||||
/* Values for `flags'. */
|
||||
|
||||
/* This insn is a conditional branch. */
|
||||
#define TXVU_OPCODE_COND_BRANCH 1
|
||||
|
||||
/* These values are used to optimize assembly and disassembly. Each insn is
|
||||
on a list of related insns (same first letter for assembly, same insn code
|
||||
for disassembly). */
|
||||
/* FIXME: May wish to move this to separate table. */
|
||||
struct txvu_opcode *next_asm; /* Next instruction to try during assembly. */
|
||||
struct txvu_opcode *next_dis; /* Next instruction to try during disassembly. */
|
||||
|
||||
/* Macros to create the hash values for the lists. */
|
||||
#define TXVU_HASH_UPPER_OPCODE(string) \
|
||||
((string)[0] >= 'a' && (string)[0] <= 'z' ? (string)[0] - 'a' : 26)
|
||||
#define TXVU_HASH_LOWER_OPCODE(string) \
|
||||
((string)[0] >= 'a' && (string)[0] <= 'z' ? (string)[0] - 'a' : 26)
|
||||
#define TXVU_HASH_UPPER_ICODE(insn) \
|
||||
((insn) & 0x3f)
|
||||
#define TXVU_HASH_LOWER_ICODE(insn) \
|
||||
((insn) & 0x3f)
|
||||
|
||||
/* Macros to access `next_asm', `next_dis' so users needn't care about the
|
||||
underlying mechanism. */
|
||||
#define TXVU_OPCODE_NEXT_ASM(op) ((op)->next_asm)
|
||||
#define TXVU_OPCODE_NEXT_DIS(op) ((op)->next_dis)
|
||||
};
|
||||
|
||||
/* The operand table. */
|
||||
|
||||
struct txvu_operand {
|
||||
/* The number of bits in the operand (may be unused for a modifier). */
|
||||
unsigned char bits;
|
||||
|
||||
/* How far the operand is left shifted in the instruction, or
|
||||
the modifier's flag bit (may be unused for a modifier). */
|
||||
unsigned char shift;
|
||||
|
||||
/* Various flag bits. */
|
||||
int flags;
|
||||
|
||||
/* Values for `flags'. */
|
||||
|
||||
/* This operand is a suffix to the opcode. */
|
||||
#define TXVU_OPERAND_SUFFIX 1
|
||||
|
||||
/* This operand is a relative branch displacement. The disassembler
|
||||
prints these symbolically if possible. */
|
||||
#define TXVU_OPERAND_RELATIVE_BRANCH 2
|
||||
|
||||
/* This operand is an absolute branch address. The disassembler
|
||||
prints these symbolically if possible. */
|
||||
#define TXVU_OPERAND_ABSOLUTE_BRANCH 4
|
||||
|
||||
/* This operand is an address. The disassembler
|
||||
prints these symbolically if possible. */
|
||||
#define TXVU_OPERAND_ADDRESS 8
|
||||
|
||||
/* This operand is a long immediate value. */
|
||||
#define TXVU_OPERAND_LIMM 0x10
|
||||
|
||||
/* This operand takes signed values. */
|
||||
#define TXVU_OPERAND_SIGNED 0x20
|
||||
|
||||
/* This operand takes signed values, but also accepts a full positive
|
||||
range of values. That is, if bits is 16, it takes any value from
|
||||
-0x8000 to 0xffff. */
|
||||
#define TXVU_OPERAND_SIGNOPT 0x40
|
||||
|
||||
/* This operand should be regarded as a negative number for the
|
||||
purposes of overflow checking (i.e., the normal most negative
|
||||
number is disallowed and one more than the normal most positive
|
||||
number is allowed). This flag will only be set for a signed
|
||||
operand. */
|
||||
#define TXVU_OPERAND_NEGATIVE 0x80
|
||||
|
||||
/* This operand doesn't really exist. The program uses these operands
|
||||
in special ways. */
|
||||
#define TXVU_OPERAND_FAKE 0x100
|
||||
|
||||
/* Modifier values. */
|
||||
/* A dot is required before a suffix. Eg: .le */
|
||||
#define TXVU_MOD_DOT 0x1000
|
||||
|
||||
/* A normal register is allowed (not used, but here for completeness). */
|
||||
#define TXVU_MOD_REG 0x2000
|
||||
|
||||
/* An auxiliary register name is expected. */
|
||||
#define TXVU_MOD_AUXREG 0x4000
|
||||
|
||||
/* Sum of all TXVU_MOD_XXX bits. */
|
||||
#define TXVU_MOD_BITS 0x7000
|
||||
|
||||
/* Non-zero if the operand type is really a modifier. */
|
||||
#define TXVU_MOD_P(X) ((X) & TXVU_MOD_BITS)
|
||||
|
||||
/* Parse function. This is used by the assembler.
|
||||
If the operand cannot be parsed an error message is stored in ERRMSG,
|
||||
otherwise NULL is stored. */
|
||||
long (*parse) PARAMS ((char **str, const char **errmsg));
|
||||
|
||||
/* Insertion function. This is used by the assembler. To insert an
|
||||
operand value into an instruction, check this field.
|
||||
|
||||
If it is NULL, execute
|
||||
i |= (p & ((1 << o->bits) - 1)) << o->shift;
|
||||
(I is the instruction which we are filling in, O is a pointer to
|
||||
this structure, and OP is the opcode value; this assumes twos
|
||||
complement arithmetic).
|
||||
|
||||
If this field is not NULL, then simply call it with the
|
||||
instruction and the operand value. It will return the new value
|
||||
of the instruction. If the ERRMSG argument is not NULL, then if
|
||||
the operand value is illegal, *ERRMSG will be set to a warning
|
||||
string (the operand will be inserted in any case). If the
|
||||
operand value is legal, *ERRMSG will be unchanged.
|
||||
|
||||
REG is non-NULL when inserting a register value. */
|
||||
|
||||
TXVU_INSN (*insert) PARAMS ((TXVU_INSN insn,
|
||||
const struct txvu_operand *operand, int mods,
|
||||
long value, const char **errmsg));
|
||||
|
||||
/* Extraction function. This is used by the disassembler. To
|
||||
extract this operand type from an instruction, check this field.
|
||||
|
||||
If it is NULL, compute
|
||||
op = ((i) >> o->shift) & ((1 << o->bits) - 1);
|
||||
if ((o->flags & TXVU_OPERAND_SIGNED) != 0
|
||||
&& (op & (1 << (o->bits - 1))) != 0)
|
||||
op -= 1 << o->bits;
|
||||
(I is the instruction, O is a pointer to this structure, and OP
|
||||
is the result; this assumes twos complement arithmetic).
|
||||
|
||||
If this field is not NULL, then simply call it with the
|
||||
instruction value. It will return the value of the operand. If
|
||||
the INVALID argument is not NULL, *INVALID will be set to
|
||||
non-zero if this operand type can not actually be extracted from
|
||||
this operand (i.e., the instruction does not match). If the
|
||||
operand is valid, *INVALID will not be changed.
|
||||
|
||||
INSN is a pointer to one or two `TXVU_INSN's. The first element is
|
||||
the insn, the second is an immediate constant if present.
|
||||
FIXME: just thrown in here for now.
|
||||
*/
|
||||
|
||||
long (*extract) PARAMS ((TXVU_INSN insn,
|
||||
const struct txvu_operand *operand,
|
||||
int mods, int *pinvalid));
|
||||
|
||||
/* Print function. This is used by the disassembler. */
|
||||
void (*print) PARAMS ((disassemble_info *info, TXVU_INSN insn,
|
||||
long value));
|
||||
};
|
||||
|
||||
/* Given an operand entry, return the table index. */
|
||||
#define TXVU_OPERAND_INDEX(op) ((op) - 128)
|
||||
|
||||
/* Positions and masks of various fields. */
|
||||
#define TXVU_SHIFT_DEST 21
|
||||
#define TXVU_SHIFT_FTREG 16
|
||||
#define TXVU_SHIFT_FSREG 11
|
||||
#define TXVU_SHIFT_FDREG 6
|
||||
#define TXVU_MASK_REG 31
|
||||
#define TXVU_DEST_X 8
|
||||
#define TXVU_DEST_Y 4
|
||||
#define TXVU_DEST_Z 2
|
||||
#define TXVU_DEST_W 1
|
||||
|
||||
extern const struct txvu_operand txvu_operands[];
|
||||
extern const int txvu_operand_count;
|
||||
extern /*const*/ struct txvu_opcode txvu_opcodes[];
|
||||
extern const int txvu_opcodes_count;
|
||||
|
||||
/* Utility fns in txvu-opc.c. */
|
||||
void txvu_opcode_init_tables PARAMS ((int));
|
||||
void txvu_opcode_init_parse PARAMS ((void));
|
||||
void txvu_opcode_init_print PARAMS ((void));
|
||||
const struct txvu_opcode *txvu_upper_opcode_lookup_asm PARAMS ((const char *));
|
||||
const struct txvu_opcode *txvu_lower_opcode_lookup_asm PARAMS ((const char *));
|
||||
const struct txvu_opcode *txvu_upper_opcode_lookup_dis PARAMS ((unsigned int));
|
||||
const struct txvu_opcode *txvu_lower_opcode_lookup_dis PARAMS ((unsigned int));
|
||||
Loading…
Add table
Add a link
Reference in a new issue