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[binutils-gdb] PRU Opcode Port


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=111468496477e97c9414d2d54f97bfdaa380f794

commit 111468496477e97c9414d2d54f97bfdaa380f794
Author: Dimitar Dimitrov <dimitar@dinux.eu>
Date:   Fri Dec 30 12:39:50 2016 +0200

    PRU Opcode Port
    
    opcodes/
    	* Makefile.am: Add PRU source files.
    	* configure.ac: Add PRU target.
    	* disassemble.c (disassembler): Register PRU arch.
    	* pru-dis.c: New file.
    	* pru-opc.c: New file.
    	* Makefile.in: Regenerate.
    	* configure: Regenerate.
    
    Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>

Diff:
---
 opcodes/ChangeLog      |  10 ++
 opcodes/Makefile.am    |   2 +
 opcodes/Makefile.in    |   4 +
 opcodes/configure      |   1 +
 opcodes/configure.ac   |   1 +
 opcodes/disassemble.c  |   7 +-
 opcodes/po/POTFILES.in |   2 +
 opcodes/pru-dis.c      | 286 +++++++++++++++++++++++++++++++++++++++++++++++++
 opcodes/pru-opc.c      | 236 ++++++++++++++++++++++++++++++++++++++++
 9 files changed, 548 insertions(+), 1 deletion(-)

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index f004163..843c8d7 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,13 @@
+2016-12-31  Dimitar Dimitrov  <dimitar@dinux.eu>
+
+	* Makefile.am: Add PRU source files.
+	* configure.ac: Add PRU target.
+	* disassemble.c (disassembler): Register PRU arch.
+	* pru-dis.c: New file.
+	* pru-opc.c: New file.
+	* Makefile.in: Regenerate.
+	* configure: Regenerate.
+
 2016-12-29  Yao Qi  <yao.qi@linaro.org>
 
 	* avr-dis.c: Include "bfd_stdint.h"
diff --git a/opcodes/Makefile.am b/opcodes/Makefile.am
index a441feb..fd86b46 100644
--- a/opcodes/Makefile.am
+++ b/opcodes/Makefile.am
@@ -223,6 +223,8 @@ TARGET_LIBOPCODES_CFILES = \
 	pj-opc.c \
 	ppc-dis.c \
 	ppc-opc.c \
+	pru-dis.c \
+	pru-opc.c \
 	riscv-dis.c \
 	riscv-opc.c \
 	rl78-decode.c \
diff --git a/opcodes/Makefile.in b/opcodes/Makefile.in
index 763255b..b31b251 100644
--- a/opcodes/Makefile.in
+++ b/opcodes/Makefile.in
@@ -525,6 +525,8 @@ TARGET_LIBOPCODES_CFILES = \
 	pj-opc.c \
 	ppc-dis.c \
 	ppc-opc.c \
+	pru-dis.c \
+	pru-opc.c \
 	riscv-dis.c \
 	riscv-opc.c \
 	rl78-decode.c \
@@ -931,6 +933,8 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pj-opc.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ppc-dis.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ppc-opc.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pru-dis.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/pru-opc.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/riscv-dis.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/riscv-opc.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rl78-decode.Plo@am__quote@
diff --git a/opcodes/configure b/opcodes/configure
index c3aa76e..b13f342 100755
--- a/opcodes/configure
+++ b/opcodes/configure
@@ -12683,6 +12683,7 @@ if test x${all_targets} = xfalse ; then
 	bfd_pj_arch)		ta="$ta pj-dis.lo pj-opc.lo" ;;
 	bfd_powerpc_arch)	ta="$ta ppc-dis.lo ppc-opc.lo" ;;
 	bfd_powerpc_64_arch)	ta="$ta ppc-dis.lo ppc-opc.lo" ;;
+	bfd_pru_arch)		ta="$ta pru-dis.lo pru-opc.lo" ;;
 	bfd_pyramid_arch)	;;
 	bfd_romp_arch)		;;
 	bfd_riscv_arch)         ta="$ta riscv-dis.lo riscv-opc.lo" ;;
diff --git a/opcodes/configure.ac b/opcodes/configure.ac
index 3475d49..2d33309 100644
--- a/opcodes/configure.ac
+++ b/opcodes/configure.ac
@@ -307,6 +307,7 @@ if test x${all_targets} = xfalse ; then
 	bfd_pj_arch)		ta="$ta pj-dis.lo pj-opc.lo" ;;
 	bfd_powerpc_arch)	ta="$ta ppc-dis.lo ppc-opc.lo" ;;
 	bfd_powerpc_64_arch)	ta="$ta ppc-dis.lo ppc-opc.lo" ;;
+	bfd_pru_arch)		ta="$ta pru-dis.lo pru-opc.lo" ;;
 	bfd_pyramid_arch)	;;
 	bfd_romp_arch)		;;
 	bfd_riscv_arch)         ta="$ta riscv-dis.lo riscv-opc.lo" ;;
diff --git a/opcodes/disassemble.c b/opcodes/disassemble.c
index e1fb65c..aeed703 100644
--- a/opcodes/disassemble.c
+++ b/opcodes/disassemble.c
@@ -73,6 +73,7 @@
 #define ARCH_pdp11
 #define ARCH_pj
 #define ARCH_powerpc
+#define ARCH_pru
 #define ARCH_rs6000
 #define ARCH_rl78
 #define ARCH_rx
@@ -375,10 +376,14 @@ disassembler (bfd *abfd)
 	disassemble = print_insn_little_powerpc;
       break;
 #endif
+#ifdef ARCH_pru
+    case bfd_arch_pru:
+      disassemble = print_insn_pru;
+      break;
+#endif
 #ifdef ARCH_riscv
     case bfd_arch_riscv:
       disassemble = print_insn_riscv;
-      break;
 #endif
 #ifdef ARCH_rs6000
     case bfd_arch_rs6000:
diff --git a/opcodes/po/POTFILES.in b/opcodes/po/POTFILES.in
index 69f968a..a1f48dc 100644
--- a/opcodes/po/POTFILES.in
+++ b/opcodes/po/POTFILES.in
@@ -175,6 +175,8 @@ pj-dis.c
 pj-opc.c
 ppc-dis.c
 ppc-opc.c
+pru-dis.c
+pru-opc.c
 riscv-dis.c
 riscv-opc.c
 rl78-decode.c
diff --git a/opcodes/pru-dis.c b/opcodes/pru-dis.c
new file mode 100644
index 0000000..dd150c5
--- /dev/null
+++ b/opcodes/pru-dis.c
@@ -0,0 +1,286 @@
+/* TI PRU disassemble routines
+   Copyright (C) 2014-2016 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.  */
+
+#include "sysdep.h"
+#include "dis-asm.h"
+#include "opcode/pru.h"
+#include "libiberty.h"
+#include <string.h>
+#include <assert.h>
+
+/* No symbol table is available when this code runs out in an embedded
+   system as when it is used for disassembler support in a monitor.  */
+#if !defined (EMBEDDED_ENV)
+#define SYMTAB_AVAILABLE 1
+#include "elf-bfd.h"
+#include "elf/pru.h"
+#endif
+
+/* Length of PRU instruction in bytes.  */
+#define INSNLEN 4
+
+/* Return a pointer to an pru_opcode struct for a given instruction
+   opcode, or NULL if there is an error.  */
+const struct pru_opcode *
+pru_find_opcode (unsigned long opcode)
+{
+  const struct pru_opcode *p;
+  const struct pru_opcode *op = NULL;
+  const struct pru_opcode *pseudo_op = NULL;
+
+  for (p = pru_opcodes; p < &pru_opcodes[NUMOPCODES]; p++)
+    {
+      if ((p->mask & opcode) == p->match)
+	{
+	  if ((p->pinfo & PRU_INSN_MACRO) == PRU_INSN_MACRO)
+	    pseudo_op = p;
+	  else if ((p->pinfo & PRU_INSN_LDI32) == PRU_INSN_LDI32)
+	    /* ignore - should be caught with regular patterns */;
+	  else
+	    op = p;
+	}
+    }
+
+  return pseudo_op ? pseudo_op : op;
+}
+
+/* There are 32 regular registers, each with 8 possible subfield selectors.  */
+#define NUMREGNAMES (32 * 8)
+
+static void
+pru_print_insn_arg_reg (unsigned int r, unsigned int sel,
+			disassemble_info *info)
+{
+  unsigned int i = r * RSEL_NUM_ITEMS + sel;
+  assert (i < (unsigned int)pru_num_regs);
+  assert (i < NUMREGNAMES);
+  (*info->fprintf_func) (info->stream, "%s", pru_regs[i].name);
+}
+
+/* The function pru_print_insn_arg uses the character pointed
+   to by ARGPTR to determine how it print the next token or separator
+   character in the arguments to an instruction.  */
+static int
+pru_print_insn_arg (const char *argptr,
+		      unsigned long opcode, bfd_vma address,
+		      disassemble_info *info)
+{
+  long offs = 0;
+  unsigned long i = 0;
+  unsigned long io = 0;
+
+  switch (*argptr)
+    {
+    case ',':
+      (*info->fprintf_func) (info->stream, "%c ", *argptr);
+      break;
+    case 'd':
+      pru_print_insn_arg_reg (GET_INSN_FIELD (RD, opcode),
+			      GET_INSN_FIELD (RDSEL, opcode),
+			      info);
+      break;
+    case 'D':
+      /* The first 4 values for RDB and RSEL are the same, so we
+	 can reuse some code.  */
+      pru_print_insn_arg_reg (GET_INSN_FIELD (RD, opcode),
+			      GET_INSN_FIELD (RDB, opcode),
+			      info);
+      break;
+    case 's':
+      pru_print_insn_arg_reg (GET_INSN_FIELD (RS1, opcode),
+			      GET_INSN_FIELD (RS1SEL, opcode),
+			      info);
+      break;
+    case 'S':
+      pru_print_insn_arg_reg (GET_INSN_FIELD (RS1, opcode),
+			      RSEL_31_0,
+			      info);
+      break;
+    case 'b':
+      io = GET_INSN_FIELD (IO, opcode);
+
+      if (io)
+	{
+	  i = GET_INSN_FIELD (IMM8, opcode);
+	  (*info->fprintf_func) (info->stream, "%ld", i);
+	}
+      else
+	{
+	pru_print_insn_arg_reg (GET_INSN_FIELD (RS2, opcode),
+				GET_INSN_FIELD (RS2SEL, opcode),
+				info);
+	}
+      break;
+    case 'B':
+      io = GET_INSN_FIELD (IO, opcode);
+
+      if (io)
+	{
+	  i = GET_INSN_FIELD (IMM8, opcode) + 1;
+	  (*info->fprintf_func) (info->stream, "%ld", i);
+	}
+      else
+	{
+	pru_print_insn_arg_reg (GET_INSN_FIELD (RS2, opcode),
+				GET_INSN_FIELD (RS2SEL, opcode),
+				info);
+	}
+      break;
+    case 'j':
+      io = GET_INSN_FIELD (IO, opcode);
+
+      if (io)
+	{
+	  /* For the sake of pretty-printing, dump text addresses with
+	     their "virtual" offset that we use for distinguishing
+	     PMEM vs DMEM. This is needed for printing the correct text
+	     labels.  */
+	  bfd_vma text_offset = address & ~0x3fffff;
+	  i = GET_INSN_FIELD (IMM16, opcode) * 4;
+	  (*info->print_address_func) (i + text_offset, info);
+	}
+      else
+	{
+	  pru_print_insn_arg_reg (GET_INSN_FIELD (RS2, opcode),
+				GET_INSN_FIELD (RS2SEL, opcode),
+				info);
+	}
+      break;
+    case 'W':
+      i = GET_INSN_FIELD (IMM16, opcode);
+      (*info->fprintf_func) (info->stream, "%ld", i);
+      break;
+    case 'o':
+      offs = GET_BROFF_SIGNED (opcode) * 4;
+      (*info->print_address_func) (address + offs, info);
+      break;
+    case 'O':
+      offs = GET_INSN_FIELD (LOOP_JMPOFFS, opcode) * 4;
+      (*info->print_address_func) (address + offs, info);
+      break;
+    case 'l':
+      i = GET_BURSTLEN (opcode);
+      if (i < LSSBBO_BYTECOUNT_R0_BITS7_0)
+	(*info->fprintf_func) (info->stream, "%ld", i + 1);
+      else
+	{
+	  i -= LSSBBO_BYTECOUNT_R0_BITS7_0;
+	  (*info->fprintf_func) (info->stream, "r0.b%ld", i);
+	}
+      break;
+    case 'n':
+      i = GET_INSN_FIELD (XFR_LENGTH, opcode);
+      if (i < LSSBBO_BYTECOUNT_R0_BITS7_0)
+	(*info->fprintf_func) (info->stream, "%ld", i + 1);
+      else
+	{
+	  i -= LSSBBO_BYTECOUNT_R0_BITS7_0;
+	  (*info->fprintf_func) (info->stream, "r0.b%ld", i);
+	}
+      break;
+    case 'c':
+      i = GET_INSN_FIELD (CB, opcode);
+      (*info->fprintf_func) (info->stream, "%ld", i);
+      break;
+    case 'w':
+      i = GET_INSN_FIELD (WAKEONSTATUS, opcode);
+      (*info->fprintf_func) (info->stream, "%ld", i);
+      break;
+    case 'x':
+      i = GET_INSN_FIELD (XFR_WBA, opcode);
+      (*info->fprintf_func) (info->stream, "%ld", i);
+      break;
+    default:
+      (*info->fprintf_func) (info->stream, "unknown");
+      break;
+    }
+  return 0;
+}
+
+/* pru_disassemble does all the work of disassembling a PRU
+   instruction opcode.  */
+static int
+pru_disassemble (bfd_vma address, unsigned long opcode,
+		   disassemble_info *info)
+{
+  const struct pru_opcode *op;
+
+  info->bytes_per_line = INSNLEN;
+  info->bytes_per_chunk = INSNLEN;
+  info->display_endian = info->endian;
+  info->insn_info_valid = 1;
+  info->branch_delay_insns = 0;
+  info->data_size = 0;
+  info->insn_type = dis_nonbranch;
+  info->target = 0;
+  info->target2 = 0;
+
+  /* Find the major opcode and use this to disassemble
+     the instruction and its arguments.  */
+  op = pru_find_opcode (opcode);
+
+  if (op != NULL)
+    {
+      (*info->fprintf_func) (info->stream, "%s", op->name);
+
+      const char *argstr = op->args;
+      if (argstr != NULL && *argstr != '\0')
+	{
+	  (*info->fprintf_func) (info->stream, "\t");
+	  while (*argstr != '\0')
+	    {
+	      pru_print_insn_arg (argstr, opcode, address, info);
+	      ++argstr;
+	    }
+	}
+    }
+  else
+    {
+      /* Handle undefined instructions.  */
+      info->insn_type = dis_noninsn;
+      (*info->fprintf_func) (info->stream, "0x%lx", opcode);
+    }
+  /* Tell the caller how far to advance the program counter.  */
+  return INSNLEN;
+}
+
+
+/* print_insn_pru is the main disassemble function for PRU.  */
+int
+print_insn_pru (bfd_vma address, disassemble_info *info)
+{
+  bfd_byte buffer[INSNLEN];
+  int status;
+
+  status = (*info->read_memory_func) (address, buffer, INSNLEN, info);
+  if (status == 0)
+    {
+      unsigned long insn;
+      insn = (unsigned long) bfd_getl32 (buffer);
+      status = pru_disassemble (address, insn, info);
+    }
+  else
+    {
+      (*info->memory_error_func) (status, address, info);
+      status = -1;
+    }
+  return status;
+}
diff --git a/opcodes/pru-opc.c b/opcodes/pru-opc.c
new file mode 100644
index 0000000..9b240a8
--- /dev/null
+++ b/opcodes/pru-opc.c
@@ -0,0 +1,236 @@
+/* TI PRU opcode list.
+   Copyright (C) 2014-2016 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, disassembler
+   and soon GDB.  */
+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


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