/* TI PRU opcode list.
Copyright (C) 2014-2018 Free Software Foundation, Inc.
Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
This file is part of the GNU opcodes library.
This library 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, or (at your option)
any later version.
It 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 file; see the file COPYING. If not, write to the
Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/* Source:
http://processors.wiki.ti.com/index.php/Programmable_Realtime_Unit */
#include "sysdep.h"
#include <stdio.h>
#include "opcode/pru.h"
/* Register string table. */
#define DECLARE_REG(name, index) \
{ #name ".b0", (index), RSEL_7_0 }, \
{ #name ".b1", (index), RSEL_15_8 }, \
{ #name ".b2", (index), RSEL_23_16 }, \
{ #name ".b3", (index), RSEL_31_24 }, \
{ #name ".w0", (index), RSEL_15_0 }, \
{ #name ".w1", (index), RSEL_23_8 }, \
{ #name ".w2", (index), RSEL_31_16 }, \
{ #name , (index), RSEL_31_0 }
const struct pru_reg pru_regs[] = {
/* Standard register names. */
DECLARE_REG (r0, 0),
DECLARE_REG (r1, 1),
DECLARE_REG (sp, 2), /* Stack pointer. */
DECLARE_REG (ra, 3), /* Return address. */
DECLARE_REG (fp, 4), /* Frame pointer. */
DECLARE_REG (r5, 5),
DECLARE_REG (r6, 6),
DECLARE_REG (r7, 7),
DECLARE_REG (r8, 8),
DECLARE_REG (r9, 9),
DECLARE_REG (r10, 10),
DECLARE_REG (r11, 11),
DECLARE_REG (r12, 12),
DECLARE_REG (r13, 13),
DECLARE_REG (r14, 14),
DECLARE_REG (r15, 15),
DECLARE_REG (r16, 16),
DECLARE_REG (r17, 17),
DECLARE_REG (r18, 18),
DECLARE_REG (r19, 19),
DECLARE_REG (r20, 20),
DECLARE_REG (r21, 21),
DECLARE_REG (r22, 22),
DECLARE_REG (r23, 23),
DECLARE_REG (r24, 24),
DECLARE_REG (r25, 25),
DECLARE_REG (r26, 26),
DECLARE_REG (r27, 27),
DECLARE_REG (r28, 28),
DECLARE_REG (r29, 29),
DECLARE_REG (r30, 30),
DECLARE_REG (r31, 31),
/* Alternative names for special registers. */
DECLARE_REG (r2, 2),
DECLARE_REG (r3, 3),
DECLARE_REG (r4, 4)
};
#define PRU_NUM_REGS \
((sizeof pru_regs) / (sizeof (pru_regs[0])))
const int pru_num_regs = PRU_NUM_REGS;
#undef PRU_NUM_REGS
/* This is the opcode table used by the PRU GNU as and disassembler. */
const struct pru_opcode pru_opcodes[] =
{
/* { name, args,
match, mask, pinfo, overflow_msg } */
#define DECLARE_FORMAT1_OPCODE(str, subop) \
{ #str, prui_ ## str, "d,s,b", \
OP_MATCH_ ## subop, OP_MASK_FMT1_OP | OP_MASK_SUBOP, 0, \
unsigned_immed8_overflow }
DECLARE_FORMAT1_OPCODE (add, ADD),
DECLARE_FORMAT1_OPCODE (adc, ADC),
DECLARE_FORMAT1_OPCODE (sub, SUB),
DECLARE_FORMAT1_OPCODE (suc, SUC),
DECLARE_FORMAT1_OPCODE (lsl, LSL),
DECLARE_FORMAT1_OPCODE (lsr, LSR),
DECLARE_FORMAT1_OPCODE (rsb, RSB),
DECLARE_FORMAT1_OPCODE (rsc, RSC),
DECLARE_FORMAT1_OPCODE (and, AND),
DECLARE_FORMAT1_OPCODE (or, OR),
DECLARE_FORMAT1_OPCODE (xor, XOR),
DECLARE_FORMAT1_OPCODE (min, MIN),
DECLARE_FORMAT1_OPCODE (max, MAX),
DECLARE_FORMAT1_OPCODE (clr, CLR),
DECLARE_FORMAT1_OPCODE (set, SET),
{ "not", prui_not, "d,s",
OP_MATCH_NOT | OP_MASK_IO,
OP_MASK_FMT1_OP | OP_MASK_SUBOP | OP_MASK_IO, 0, no_overflow},
{ "jmp", prui_jmp, "j",
OP_MATCH_JMP, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, unsigned_immed16_overflow},
{ "jal", prui_jal, "d,j",
OP_MATCH_JAL, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, unsigned_immed16_overflow},
{ "ldi", prui_ldi, "d,W",
OP_MATCH_LDI, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, unsigned_immed16_overflow},
{ "halt", prui_halt, "",
OP_MATCH_HALT, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, no_overflow},
{ "slp", prui_slp, "w",
OP_MATCH_SLP, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, no_overflow},
{ "xin", prui_xin, "x,D,n",
OP_MATCH_XIN, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
{ "xout", prui_xout, "x,D,n",
OP_MATCH_XOUT, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
{ "xchg", prui_xchg, "x,D,n",
OP_MATCH_XCHG, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
{ "sxin", prui_sxin, "x,D,n",
OP_MATCH_SXIN, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
{ "sxout", prui_sxout, "x,D,n",
OP_MATCH_SXOUT, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
{ "sxchg", prui_sxchg, "x,D,n",
OP_MATCH_SXCHG, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
{ "loop", prui_loop, "O,B",
OP_MATCH_LOOP, OP_MASK_LOOP_OP, 0, unsigned_immed8_overflow},
{ "iloop", prui_loop, "O,B",
OP_MATCH_ILOOP, OP_MASK_LOOP_OP, 0, unsigned_immed8_overflow},
{ "qbgt", prui_qbgt, "o,s,b",
OP_MATCH_QBGT, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
{ "qbge", prui_qbge, "o,s,b",
OP_MATCH_QBGE, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
{ "qblt", prui_qblt, "o,s,b",
OP_MATCH_QBLT, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
{ "qble", prui_qble, "o,s,b",
OP_MATCH_QBLE, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
{ "qbeq", prui_qbeq, "o,s,b",
OP_MATCH_QBEQ, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
{ "qbne", prui_qbne, "o,s,b",
OP_MATCH_QBNE, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
{ "qba", prui_qba, "o",
OP_MATCH_QBA, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
{ "qbbs", prui_qbbs, "o,s,b",
OP_MATCH_QBBS, OP_MASK_FMT5_OP | OP_MASK_BCMP, 0, qbranch_target_overflow},
{ "qbbc", prui_qbbc, "o,s,b",
OP_MATCH_QBBC, OP_MASK_FMT5_OP | OP_MASK_BCMP, 0, qbranch_target_overflow},
{ "lbbo", prui_lbbo, "D,S,b,l",
OP_MATCH_LBBO, OP_MASK_FMT6AB_OP | OP_MASK_LOADSTORE, 0,
unsigned_immed8_overflow},
{ "sbbo", prui_sbbo, "D,S,b,l",
OP_MATCH_SBBO, OP_MASK_FMT6AB_OP | OP_MASK_LOADSTORE, 0,
unsigned_immed8_overflow},
{ "lbco", prui_lbco, "D,c,b,l",
OP_MATCH_LBCO, OP_MASK_FMT6CD_OP | OP_MASK_LOADSTORE, 0,
unsigned_immed8_overflow},
{ "sbco", prui_sbco, "D,c,b,l",
OP_MATCH_SBCO, OP_MASK_FMT6CD_OP | OP_MASK_LOADSTORE, 0,
unsigned_immed8_overflow},
/* Fill in the default values for the real-instruction arguments.
The assembler will not do it! */
{ "nop", prui_or, "",
OP_MATCH_OR
| (RSEL_31_0 << OP_SH_RS2SEL) | (0 << OP_SH_RS2)
| (RSEL_31_0 << OP_SH_RS1SEL) | (0 << OP_SH_RS1)
| (RSEL_31_0 << OP_SH_RDSEL) | (0 << OP_SH_RD),
OP_MASK_FMT1_OP | OP_MASK_SUBOP
| OP_MASK_RS2SEL | OP_MASK_RS2 | OP_MASK_RS1SEL | OP_MASK_RS1
| OP_MASK_RDSEL | OP_MASK_RD | OP_MASK_IO,
PRU_INSN_MACRO, no_overflow},
{ "mov", prui_or, "d,s",
OP_MATCH_OR | (0 << OP_SH_IMM8) | OP_MASK_IO,
OP_MASK_FMT1_OP | OP_MASK_SUBOP | OP_MASK_IMM8 | OP_MASK_IO,
PRU_INSN_MACRO, no_overflow},
{ "ret", prui_jmp, "",
OP_MATCH_JMP
| (RSEL_31_16 << OP_SH_RS2SEL) | (3 << OP_SH_RS2),
OP_MASK_FMT2_OP | OP_MASK_SUBOP
| OP_MASK_RS2SEL | OP_MASK_RS2 | OP_MASK_IO,
PRU_INSN_MACRO, unsigned_immed16_overflow},
{ "call", prui_jal, "j",
OP_MATCH_JAL
| (RSEL_31_16 << OP_SH_RDSEL) | (3 << OP_SH_RD),
OP_MASK_FMT2_OP | OP_MASK_SUBOP
| OP_MASK_RDSEL | OP_MASK_RD,
PRU_INSN_MACRO, unsigned_immed16_overflow},
{ "wbc", prui_qbbs, "s,b",
OP_MATCH_QBBS | (0 << OP_SH_BROFF98) | (0 << OP_SH_BROFF70),
OP_MASK_FMT5_OP | OP_MASK_BCMP | OP_MASK_BROFF,
PRU_INSN_MACRO, qbranch_target_overflow},
{ "wbs", prui_qbbc, "s,b",
OP_MATCH_QBBC | (0 << OP_SH_BROFF98) | (0 << OP_SH_BROFF70),
OP_MASK_FMT5_OP | OP_MASK_BCMP | OP_MASK_BROFF,
PRU_INSN_MACRO, qbranch_target_overflow},
{ "fill", prui_xin, "D,n",
OP_MATCH_XIN | (254 << OP_SH_XFR_WBA),
OP_MASK_XFR_OP | OP_MASK_XFR_WBA,
PRU_INSN_MACRO, unsigned_immed8_overflow},
{ "zero", prui_xin, "D,n",
OP_MATCH_XIN | (255 << OP_SH_XFR_WBA),
OP_MASK_XFR_OP | OP_MASK_XFR_WBA,
PRU_INSN_MACRO, unsigned_immed8_overflow},
{ "ldi32", prui_ldi, "R,i",
OP_MATCH_LDI, OP_MASK_FMT2_OP | OP_MASK_SUBOP,
PRU_INSN_LDI32, unsigned_immed32_overflow},
};
#define PRU_NUM_OPCODES \
((sizeof pru_opcodes) / (sizeof (pru_opcodes[0])))
const int bfd_pru_num_opcodes = PRU_NUM_OPCODES;
#undef PRU_NUM_OPCODES