238 lines
8.6 KiB
C
238 lines
8.6 KiB
C
/* v850.h -- Header file for NEC V850 opcode table
|
||
Copyright 1996-2013 Free Software Foundation, Inc.
|
||
Written by J.T. Conklin, Cygnus Support
|
||
|
||
This file is part of GDB, GAS, and the GNU binutils.
|
||
|
||
GDB, GAS, and the GNU binutils are free software; you can redistribute
|
||
them and/or modify them under the terms of the GNU General Public
|
||
License as published by the Free Software Foundation; either version 3,
|
||
or (at your option) any later version.
|
||
|
||
GDB, GAS, and the GNU binutils are distributed in the hope that they
|
||
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 file; see the file COPYING3. If not, write to the Free
|
||
Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
|
||
MA 02110-1301, USA. */
|
||
|
||
#ifndef V850_H
|
||
#define V850_H
|
||
|
||
/* The opcode table is an array of struct v850_opcode. */
|
||
|
||
struct v850_opcode
|
||
{
|
||
/* The opcode name. */
|
||
const char *name;
|
||
|
||
/* The opcode itself. Those bits which will be filled in with
|
||
operands are zeroes. */
|
||
unsigned long opcode;
|
||
|
||
/* The opcode mask. This is used by the disassembler. This is a
|
||
mask containing ones indicating those bits which must match the
|
||
opcode field, and zeroes indicating those bits which need not
|
||
match (and are presumably filled in by operands). */
|
||
unsigned long mask;
|
||
|
||
/* An array of operand codes. Each code is an index into the
|
||
operand table. They appear in the order which the operands must
|
||
appear in assembly code, and are terminated by a zero. */
|
||
unsigned char operands[8];
|
||
|
||
/* Which (if any) operand is a memory operand. */
|
||
unsigned int memop;
|
||
|
||
/* Target processor(s). A bit field of processors which support
|
||
this instruction. Note a bit field is used as some instructions
|
||
are available on multiple, different processor types, whereas
|
||
other instructions are only available on one specific type. */
|
||
unsigned int processors;
|
||
};
|
||
|
||
/* Values for architecture number. */
|
||
#define arch_V850 0
|
||
#define arch_V850E (arch_V850 + 1)
|
||
#define arch_V850E1 (arch_V850E + 1)
|
||
#define arch_V850E2 (arch_V850E1 + 1)
|
||
#define arch_V850E2V3 (arch_V850E2 + 1)
|
||
#define arch_V850E3V5 (arch_V850E2V3 + 1)
|
||
#define arch_separator (arch_V850E3V5 + 1)
|
||
|
||
#define opt_EXTENSION (arch_separator)
|
||
#define opt_ALIAS (opt_EXTENSION + 1)
|
||
|
||
/* Values for the processors field in the v850_opcode structure. */
|
||
#define PROCESSOR_V850 (1 << (arch_V850)) /* Just the V850. */
|
||
#define PROCESSOR_V850E (1 << (arch_V850E)) /* Just the V850E. */
|
||
#define PROCESSOR_V850E1 (1 << (arch_V850E1)) /* Just the V850E1. */
|
||
#define PROCESSOR_V850E2 (1 << (arch_V850E2)) /* Just the V850E2. */
|
||
#define PROCESSOR_V850E2V3 (1 << (arch_V850E2V3)) /* Just the V850E2V3. */
|
||
#define PROCESSOR_V850E3V5 (1 << (arch_V850E3V5)) /* Just the V850E3V5. */
|
||
|
||
/* UPPERS */
|
||
#define PROCESSOR_V850E3V5_UP (PROCESSOR_V850E3V5)
|
||
#define PROCESSOR_V850E2V3_UP (PROCESSOR_V850E2V3 | PROCESSOR_V850E3V5_UP)
|
||
#define PROCESSOR_V850E2_UP (PROCESSOR_V850E2 | PROCESSOR_V850E2V3_UP)
|
||
#define PROCESSOR_V850E_UP (PROCESSOR_V850E | PROCESSOR_V850E1 | PROCESSOR_V850E2_UP)
|
||
#define PROCESSOR_ALL (PROCESSOR_V850 | PROCESSOR_V850E_UP)
|
||
|
||
#define PROCESSOR_MASK (PROCESSOR_ALL)
|
||
#define PROCESSOR_NOT_V850 (PROCESSOR_ALL & (~ PROCESSOR_V850)) /* Any processor except the V850. */
|
||
|
||
#define PROCESSOR_UNKNOWN ~(PROCESSOR_MASK)
|
||
|
||
/* OPTIONS */
|
||
#define PROCESSOR_OPTION_EXTENSION (1 << (opt_EXTENSION)) /* Enable extension opcodes. */
|
||
#define PROCESSOR_OPTION_ALIAS (1 << (opt_ALIAS)) /* Enable alias opcodes. */
|
||
|
||
#define SET_PROCESSOR_MASK(mask,set) ((mask) = ((mask) & ~PROCESSOR_MASK) | (set))
|
||
|
||
/* The table itself is sorted by major opcode number, and is otherwise
|
||
in the order in which the disassembler should consider
|
||
instructions. */
|
||
extern const struct v850_opcode v850_opcodes[];
|
||
extern const int v850_num_opcodes;
|
||
|
||
|
||
/* The operands table is an array of struct v850_operand. */
|
||
|
||
struct v850_operand
|
||
{
|
||
/* The number of bits in the operand. */
|
||
/* If this value is -1 then the operand's bits are in a discontinous
|
||
distribution in the instruction. */
|
||
int bits;
|
||
|
||
/* (bits >= 0): How far the operand is left shifted in the instruction. */
|
||
/* (bits == -1): Bit mask of the bits in the operand. */
|
||
int shift;
|
||
|
||
/* 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 |= (op & ((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 (most operands
|
||
can accept any value). */
|
||
unsigned long (* insert)
|
||
(unsigned long instruction, long op, 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 = o->bits == -1 ? ((i) & o->shift) : ((i) >> o->shift) & ((1 << o->bits) - 1);
|
||
if (o->flags & V850_OPERAND_SIGNED)
|
||
op = (op << (32 - o->bits)) >> (32 - 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. */
|
||
unsigned long (* extract) (unsigned long instruction, int * invalid);
|
||
|
||
/* One bit syntax flags. */
|
||
int flags;
|
||
|
||
int default_reloc;
|
||
};
|
||
|
||
/* Elements in the table are retrieved by indexing with values from
|
||
the operands field of the v850_opcodes table. */
|
||
|
||
extern const struct v850_operand v850_operands[];
|
||
|
||
/* Values defined for the flags field of a struct v850_operand. */
|
||
|
||
/* This operand names a general purpose register. */
|
||
#define V850_OPERAND_REG 0x01
|
||
|
||
/* This operand is the ep register. */
|
||
#define V850_OPERAND_EP 0x02
|
||
|
||
/* This operand names a system register. */
|
||
#define V850_OPERAND_SRG 0x04
|
||
|
||
/* Prologue eilogue type instruction, V850E specific. */
|
||
#define V850E_OPERAND_REG_LIST 0x08
|
||
|
||
/* This operand names a condition code used in the setf instruction. */
|
||
#define V850_OPERAND_CC 0x10
|
||
|
||
#define V850_OPERAND_FLOAT_CC 0x20
|
||
|
||
/* This operand names a vector purpose register. */
|
||
#define V850_OPERAND_VREG 0x40
|
||
|
||
/* 16 bit immediate follows instruction, V850E specific. */
|
||
#define V850E_IMMEDIATE16 0x80
|
||
|
||
/* hi16 bit immediate follows instruction, V850E specific. */
|
||
#define V850E_IMMEDIATE16HI 0x100
|
||
|
||
/* 23 bit immediate follows instruction, V850E specific. */
|
||
#define V850E_IMMEDIATE23 0x200
|
||
|
||
/* 32 bit immediate follows instruction, V850E specific. */
|
||
#define V850E_IMMEDIATE32 0x400
|
||
|
||
/* This is a relaxable operand. Only used for D9->D22 branch relaxing
|
||
right now. We may need others in the future (or maybe handle them like
|
||
promoted operands on the mn10300?). */
|
||
#define V850_OPERAND_RELAX 0x800
|
||
|
||
/* This operand takes signed values. */
|
||
#define V850_OPERAND_SIGNED 0x1000
|
||
|
||
/* This operand is a displacement. */
|
||
#define V850_OPERAND_DISP 0x2000
|
||
|
||
/* This operand is a PC displacement. */
|
||
#define V850_PCREL 0x4000
|
||
|
||
/* The register specified must be even number. */
|
||
#define V850_REG_EVEN 0x8000
|
||
|
||
/* The register specified must not be r0. */
|
||
#define V850_NOT_R0 0x20000
|
||
|
||
/* The register specified must not be 0. */
|
||
#define V850_NOT_IMM0 0x40000
|
||
|
||
/* The condition code must not be SA CONDITION. */
|
||
#define V850_NOT_SA 0x80000
|
||
|
||
/* The operand has '!' prefix. */
|
||
#define V850_OPERAND_BANG 0x100000
|
||
|
||
/* The operand has '%' prefix. */
|
||
#define V850_OPERAND_PERCENT 0x200000
|
||
|
||
/* This operand is a cache oparation. */
|
||
#define V850_OPERAND_CACHEOP 0x400000
|
||
|
||
/* This operand is a prefetch oparation. */
|
||
#define V850_OPERAND_PREFOP 0x800000
|
||
|
||
extern int v850_msg_is_out_of_range (const char *);
|
||
|
||
#endif /* V850_H */
|