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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [cpu/] [ip2k.opc] - Blame information for rev 303

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/* IP2K opcode support.  -*- C -*-
   Copyright 2002, 2005, 2011 Free Software Foundation, Inc.
 
   Contributed by Red Hat Inc;
 
   This file is part of the GNU Binutils.
 
   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, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */
 
/*
   Each section is delimited with start and end markers.
 
   -opc.h additions use: "-- opc.h"
   -opc.c additions use: "-- opc.c"
   -asm.c additions use: "-- asm.c"
   -dis.c additions use: "-- dis.c"
   -ibd.h additions use: "-- ibd.h".  */
 
/* -- opc.h */
 
/* Check applicability of instructions against machines.  */
#define CGEN_VALIDATE_INSN_SUPPORTED
 
/* Allows reason codes to be output when assembler errors occur.  */
#define CGEN_VERBOSE_ASSEMBLER_ERRORS
 
/* Override disassembly hashing - there are variable bits in the top
   byte of these instructions.  */
#define CGEN_DIS_HASH_SIZE 8
#define CGEN_DIS_HASH(buf, value) \
  (((* (unsigned char*) (buf)) >> 5) % CGEN_DIS_HASH_SIZE)
 
#define CGEN_ASM_HASH_SIZE 127
#define CGEN_ASM_HASH(insn) ip2k_asm_hash (insn)
 
extern unsigned int ip2k_asm_hash (const char *);
extern int ip2k_cgen_insn_supported (CGEN_CPU_DESC, const CGEN_INSN *);
 
/* -- opc.c */
 
#include "safe-ctype.h"
 
/* A better hash function for instruction mnemonics.  */
unsigned int
ip2k_asm_hash (const char* insn)
{
  unsigned int hash;
  const char* m = insn;
 
  for (hash = 0; *m && ! ISSPACE (*m); m++)
    hash = (hash * 23) ^ (0x1F & TOLOWER (*m));
 
  /* printf ("%s %d\n", insn, (hash % CGEN_ASM_HASH_SIZE)); */
 
  return hash % CGEN_ASM_HASH_SIZE;
}
 
 
/* Special check to ensure that instruction exists for given machine.  */
 
int
ip2k_cgen_insn_supported (CGEN_CPU_DESC cd, const CGEN_INSN *insn)
{
  int machs = CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH);
 
  /* No mach attribute?  Assume it's supported for all machs.  */
  if (machs == 0)
    return 1;
 
  return (machs & cd->machs) != 0;
}
 
 
/* -- asm.c */
 
static const char *
parse_fr (CGEN_CPU_DESC cd,
          const char **strp,
          int opindex,
          unsigned long *valuep)
{
  const char *errmsg;
  const char *old_strp;
  char *afteroffset;
  enum cgen_parse_operand_result result_type;
  bfd_vma value;
  extern CGEN_KEYWORD ip2k_cgen_opval_register_names;
  bfd_vma tempvalue;
 
  old_strp = *strp;
  afteroffset = NULL;
 
  /* Check here to see if you're about to try parsing a w as the first arg
     and return an error if you are.  */
  if ((strncmp (*strp, "w", 1) == 0) || (strncmp (*strp, "W", 1) == 0))
    {
      (*strp)++;
 
      if ((strncmp (*strp, ",", 1) == 0) || ISSPACE (**strp))
        {
          /* We've been passed a w.  Return with an error message so that
             cgen will try the next parsing option.  */
          errmsg = _("W keyword invalid in FR operand slot.");
          return errmsg;
        }
      *strp = old_strp;
    }
 
  /* Attempt parse as register keyword. */
  errmsg = cgen_parse_keyword (cd, strp, & ip2k_cgen_opval_register_names,
                               (long *) valuep);
  if (*strp != NULL
      && errmsg == NULL)
    return errmsg;
 
  /* Attempt to parse for "(IP)".  */
  afteroffset = strstr (*strp, "(IP)");
 
  if (afteroffset == NULL)
    /* Make sure it's not in lower case.  */
    afteroffset = strstr (*strp, "(ip)");
 
  if (afteroffset != NULL)
    {
      if (afteroffset != *strp)
        {
          /* Invalid offset present.  */
          errmsg = _("offset(IP) is not a valid form");
          return errmsg;
        }
      else
        {
          *strp += 4;
          *valuep = 0;
          errmsg = NULL;
          return errmsg;
        }
    }
 
  /* Attempt to parse for DP. ex: mov w, offset(DP)
                                  mov offset(DP),w   */
 
  /* Try parsing it as an address and see what comes back.  */
  afteroffset = strstr (*strp, "(DP)");
 
  if (afteroffset == NULL)
    /* Maybe it's in lower case.  */
    afteroffset = strstr (*strp, "(dp)");
 
  if (afteroffset != NULL)
    {
      if (afteroffset == *strp)
        {
          /* No offset present. Use 0 by default.  */
          tempvalue = 0;
          errmsg = NULL;
        }
      else
        errmsg = cgen_parse_address (cd, strp, opindex,
                                     BFD_RELOC_IP2K_FR_OFFSET,
                                     & result_type, & tempvalue);
 
      if (errmsg == NULL)
        {
          if (tempvalue <= 127)
            {
              /* Value is ok.  Fix up the first 2 bits and return.  */
              *valuep = 0x0100 | tempvalue;
              *strp += 4; /* Skip over the (DP) in *strp.  */
              return errmsg;
            }
          else
            {
              /* Found something there in front of (DP) but it's out
                 of range.  */
              errmsg = _("(DP) offset out of range.");
              return errmsg;
            }
        }
    }
 
 
  /* Attempt to parse for SP. ex: mov w, offset(SP)
                                  mov offset(SP), w.  */
  afteroffset = strstr (*strp, "(SP)");
 
  if (afteroffset == NULL)
    /* Maybe it's in lower case.  */
    afteroffset = strstr (*strp, "(sp)");
 
  if (afteroffset != NULL)
    {
      if (afteroffset == *strp)
        {
          /* No offset present. Use 0 by default.  */
          tempvalue = 0;
          errmsg = NULL;
        }
      else
        errmsg = cgen_parse_address (cd, strp, opindex,
                                     BFD_RELOC_IP2K_FR_OFFSET,
                                     & result_type, & tempvalue);
 
      if (errmsg == NULL)
        {
          if (tempvalue <= 127)
            {
              /* Value is ok.  Fix up the first 2 bits and return.  */
              *valuep = 0x0180 | tempvalue;
              *strp += 4; /* Skip over the (SP) in *strp.  */
              return errmsg;
            }
          else
            {
              /* Found something there in front of (SP) but it's out
                 of range.  */
              errmsg = _("(SP) offset out of range.");
              return errmsg;
            }
        }
    }
 
  /* Attempt to parse as an address.  */
  *strp = old_strp;
  errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_IP2K_FR9,
                               & result_type, & value);
  if (errmsg == NULL)
    {
      *valuep = value;
 
      /* If a parenthesis is found, warn about invalid form.  */
      if (**strp == '(')
        errmsg = _("illegal use of parentheses");
 
      /* If a numeric value is specified, ensure that it is between
         1 and 255.  */
      else if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
        {
          if (value < 0x1 || value > 0xff)
            errmsg = _("operand out of range (not between 1 and 255)");
        }
    }
  return errmsg;
}
 
static const char *
parse_addr16 (CGEN_CPU_DESC cd,
              const char **strp,
              int opindex,
              unsigned long *valuep)
{
  const char *errmsg;
  enum cgen_parse_operand_result result_type;
  bfd_reloc_code_real_type code = BFD_RELOC_NONE;
  bfd_vma value;
 
  if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16H)
    code = BFD_RELOC_IP2K_HI8DATA;
  else if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16L)
    code = BFD_RELOC_IP2K_LO8DATA;
  else
    {
      /* Something is very wrong. opindex has to be one of the above.  */
      errmsg = _("parse_addr16: invalid opindex.");
      return errmsg;
    }
 
  errmsg = cgen_parse_address (cd, strp, opindex, code,
                               & result_type, & value);
  if (errmsg == NULL)
    {
      /* We either have a relocation or a number now.  */
      if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
        {
          /* We got a number back.  */
          if (code == BFD_RELOC_IP2K_HI8DATA)
            value >>= 8;
          else
            /* code = BFD_RELOC_IP2K_LOW8DATA.  */
            value &= 0x00FF;
        }
      *valuep = value;
    }
 
  return errmsg;
}
 
static const char *
parse_addr16_cjp (CGEN_CPU_DESC cd,
                  const char **strp,
                  int opindex,
                  unsigned long *valuep)
{
  const char *errmsg;
  enum cgen_parse_operand_result result_type;
  bfd_reloc_code_real_type code = BFD_RELOC_NONE;
  bfd_vma value;
 
  if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16CJP)
    code = BFD_RELOC_IP2K_ADDR16CJP;
  else if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16P)
    code = BFD_RELOC_IP2K_PAGE3;
 
  errmsg = cgen_parse_address (cd, strp, opindex, code,
                               & result_type, & value);
  if (errmsg == NULL)
    {
      if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
        {
          if ((value & 0x1) == 0)  /* If the address is even .... */
            {
              if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16CJP)
                *valuep = (value >> 1) & 0x1FFF;  /* Should mask be 1FFF?  */
              else if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16P)
                *valuep = (value >> 14) & 0x7;
            }
          else
            errmsg = _("Byte address required. - must be even.");
        }
      else if (result_type == CGEN_PARSE_OPERAND_RESULT_QUEUED)
        {
          /* This will happen for things like (s2-s1) where s2 and s1
             are labels.  */
          *valuep = value;
        }
      else
        errmsg = _("cgen_parse_address returned a symbol. Literal required.");
    }
  return errmsg;
}
 
static const char *
parse_lit8 (CGEN_CPU_DESC cd,
            const char **strp,
            int opindex,
            long *valuep)
{
  const char *errmsg;
  enum cgen_parse_operand_result result_type;
  bfd_reloc_code_real_type code = BFD_RELOC_NONE;
  bfd_vma value;
 
  /* Parse %OP relocating operators.  */
  if (strncmp (*strp, "%bank", 5) == 0)
    {
      *strp += 5;
      code = BFD_RELOC_IP2K_BANK;
    }
  else if (strncmp (*strp, "%lo8data", 8) == 0)
    {
      *strp += 8;
      code = BFD_RELOC_IP2K_LO8DATA;
    }
  else if (strncmp (*strp, "%hi8data", 8) == 0)
    {
      *strp += 8;
      code = BFD_RELOC_IP2K_HI8DATA;
    }
  else if (strncmp (*strp, "%ex8data", 8) == 0)
    {
      *strp += 8;
      code = BFD_RELOC_IP2K_EX8DATA;
    }
  else if (strncmp (*strp, "%lo8insn", 8) == 0)
    {
      *strp += 8;
      code = BFD_RELOC_IP2K_LO8INSN;
    }
  else if (strncmp (*strp, "%hi8insn", 8) == 0)
    {
      *strp += 8;
      code = BFD_RELOC_IP2K_HI8INSN;
    }
 
  /* Parse %op operand.  */
  if (code != BFD_RELOC_NONE)
    {
      errmsg = cgen_parse_address (cd, strp, opindex, code,
                                   & result_type, & value);
      if ((errmsg == NULL) &&
          (result_type != CGEN_PARSE_OPERAND_RESULT_QUEUED))
        errmsg = _("percent-operator operand is not a symbol");
 
      *valuep = value;
    }
  /* Parse as a number.  */
  else
    {
      errmsg = cgen_parse_signed_integer (cd, strp, opindex, valuep);
 
      /* Truncate to eight bits to accept both signed and unsigned input.  */
      if (errmsg == NULL)
        *valuep &= 0xFF;
    }
 
  return errmsg;
}
 
static const char *
parse_bit3 (CGEN_CPU_DESC cd,
            const char **strp,
            int opindex,
            unsigned long *valuep)
{
  const char *errmsg;
  char mode = 0;
  long count = 0;
  unsigned long value;
 
  if (strncmp (*strp, "%bit", 4) == 0)
    {
      *strp += 4;
      mode = 1;
    }
  else if (strncmp (*strp, "%msbbit", 7) == 0)
    {
      *strp += 7;
      mode = 1;
    }
  else if (strncmp (*strp, "%lsbbit", 7) == 0)
    {
      *strp += 7;
      mode = 2;
    }
 
  errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
  if (errmsg)
    return errmsg;
 
  if (mode)
    {
      value = * valuep;
      if (value == 0)
        {
          errmsg = _("Attempt to find bit index of 0");
          return errmsg;
        }
 
      if (mode == 1)
        {
          count = 31;
          while ((value & 0x80000000) == 0)
            {
              count--;
              value <<= 1;
            }
        }
      else if (mode == 2)
        {
          count = 0;
          while ((value & 0x00000001) == 0)
            {
              count++;
              value >>= 1;
            }
        }
 
      *valuep = count;
    }
 
  return errmsg;
}
 
/* -- dis.c */
 
static void
print_fr (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
          void * dis_info,
          long value,
          unsigned int attrs ATTRIBUTE_UNUSED,
          bfd_vma pc ATTRIBUTE_UNUSED,
          int length ATTRIBUTE_UNUSED)
{
  disassemble_info *info = (disassemble_info *) dis_info;
  const CGEN_KEYWORD_ENTRY *ke;
  extern CGEN_KEYWORD ip2k_cgen_opval_register_names;
  long offsettest;
  long offsetvalue;
 
  if (value == 0) /* This is (IP).  */
    {
      (*info->fprintf_func) (info->stream, "%s", "(IP)");
      return;
    }
 
  offsettest = value >> 7;
  offsetvalue = value & 0x7F;
 
  /* Check to see if first two bits are 10 -> (DP).  */
  if (offsettest == 2)
    {
      if (offsetvalue == 0)
        (*info->fprintf_func) (info->stream, "%s","(DP)");
      else
        (*info->fprintf_func) (info->stream, "$%lx%s", offsetvalue, "(DP)");
      return;
    }
 
  /* Check to see if first two bits are 11 -> (SP).  */
  if (offsettest == 3)
    {
      if (offsetvalue == 0)
        (*info->fprintf_func) (info->stream, "%s", "(SP)");
      else
        (*info->fprintf_func) (info->stream, "$%lx%s", offsetvalue,"(SP)");
      return;
    }
 
  /* Attempt to print as a register keyword.  */
  ke = cgen_keyword_lookup_value (& ip2k_cgen_opval_register_names, value);
 
  if (ke != NULL)
    (*info->fprintf_func) (info->stream, "%s", ke->name);
  else
    /* Print as an address literal.  */
    (*info->fprintf_func) (info->stream, "$%02lx", value);
}
 
static void
print_dollarhex (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
                 void * dis_info,
                 long value,
                 unsigned int attrs ATTRIBUTE_UNUSED,
                 bfd_vma pc ATTRIBUTE_UNUSED,
                 int length ATTRIBUTE_UNUSED)
{
  disassemble_info *info = (disassemble_info *) dis_info;
 
  (*info->fprintf_func) (info->stream, "$%lx", value);
}
 
static void
print_dollarhex8 (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
                  void * dis_info,
                  long value,
                  unsigned int attrs ATTRIBUTE_UNUSED,
                  bfd_vma pc ATTRIBUTE_UNUSED,
                  int length ATTRIBUTE_UNUSED)
{
  disassemble_info *info = (disassemble_info *) dis_info;
 
  (*info->fprintf_func) (info->stream, "$%02lx", value);
}
 
static void
print_dollarhex_addr16h (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
                         void * dis_info,
                         long value,
                         unsigned int attrs ATTRIBUTE_UNUSED,
                         bfd_vma pc ATTRIBUTE_UNUSED,
                         int length ATTRIBUTE_UNUSED)
{
  disassemble_info *info = (disassemble_info *) dis_info;
 
  /* This is a loadh instruction. Shift the value to the left
     by 8 bits so that disassembled code will reassemble properly.  */
  value = ((value << 8) & 0xFF00);
 
  (*info->fprintf_func) (info->stream, "$%04lx", value);
}
 
static void
print_dollarhex_addr16l (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
                         void * dis_info,
                         long value,
                         unsigned int attrs ATTRIBUTE_UNUSED,
                         bfd_vma pc ATTRIBUTE_UNUSED,
                         int length ATTRIBUTE_UNUSED)
{
  disassemble_info *info = (disassemble_info *) dis_info;
 
  (*info->fprintf_func) (info->stream, "$%04lx", value);
}
 
static void
print_dollarhex_p (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
                   void * dis_info,
                   long value,
                   unsigned int attrs ATTRIBUTE_UNUSED,
                   bfd_vma pc ATTRIBUTE_UNUSED,
                   int length ATTRIBUTE_UNUSED)
{
  disassemble_info *info = (disassemble_info *) dis_info;
 
  value = ((value << 14) & 0x1C000);
  ;value = (value  & 0x1FFFF);
  (*info->fprintf_func) (info->stream, "$%05lx", value);
}
 
static void
print_dollarhex_cj (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
                    void * dis_info,
                    long value,
                    unsigned int attrs ATTRIBUTE_UNUSED,
                    bfd_vma pc ATTRIBUTE_UNUSED,
                    int length ATTRIBUTE_UNUSED)
{
  disassemble_info *info = (disassemble_info *) dis_info;
 
  value = ((value << 1) & 0x1FFFF);
  (*info->fprintf_func) (info->stream, "$%05lx", value);
}
 
static void
print_decimal (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
               void * dis_info,
               long value,
               unsigned int attrs ATTRIBUTE_UNUSED,
               bfd_vma pc ATTRIBUTE_UNUSED,
               int length ATTRIBUTE_UNUSED)
{
  disassemble_info *info = (disassemble_info *) dis_info;
 
  (*info->fprintf_func) (info->stream, "%ld", value);
}
 
 
 
/* -- */
 

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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [cpu/] [ip2k.opc] - Blame information for rev 303

Line No.	Rev	Author	Line
1	161	khays	`/* IP2K opcode support. -- C --`
2			`Copyright 2002, 2005, 2011 Free Software Foundation, Inc.`
3
4			`Contributed by Red Hat Inc;`
5
6			`This file is part of the GNU Binutils.`
7
8			`This program is free software; you can redistribute it and/or modify`
9			`it under the terms of the GNU General Public License as published by`
10			`the Free Software Foundation; either version 3 of the License, or`
11			`(at your option) any later version.`
12
13			`This program is distributed in the hope that it will be useful,`
14			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
15			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
16			`GNU General Public License for more details.`
17
18			`You should have received a copy of the GNU General Public License`
19			`along with this program; if not, write to the Free Software`
20			`Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,`
21			`MA 02110-1301, USA. */`
22
23			`/*`
24			`Each section is delimited with start and end markers.`
25
26			`-opc.h additions use: "-- opc.h"`
27			`-opc.c additions use: "-- opc.c"`
28			`-asm.c additions use: "-- asm.c"`
29			`-dis.c additions use: "-- dis.c"`
30			`-ibd.h additions use: "-- ibd.h". */`
31
32			`/* -- opc.h */`
33
34			`/* Check applicability of instructions against machines. */`
35			`#define CGEN_VALIDATE_INSN_SUPPORTED`
36
37			`/* Allows reason codes to be output when assembler errors occur. */`
38			`#define CGEN_VERBOSE_ASSEMBLER_ERRORS`
39
40			`/* Override disassembly hashing - there are variable bits in the top`
41			`byte of these instructions. */`
42			`#define CGEN_DIS_HASH_SIZE 8`
43			`#define CGEN_DIS_HASH(buf, value) \`
44			`(((* (unsigned char*) (buf)) >> 5) % CGEN_DIS_HASH_SIZE)`
45
46			`#define CGEN_ASM_HASH_SIZE 127`
47			`#define CGEN_ASM_HASH(insn) ip2k_asm_hash (insn)`
48
49			`extern unsigned int ip2k_asm_hash (const char *);`
50			`extern int ip2k_cgen_insn_supported (CGEN_CPU_DESC, const CGEN_INSN *);`
51
52			`/* -- opc.c */`
53
54			`#include "safe-ctype.h"`
55
56			`/* A better hash function for instruction mnemonics. */`
57			`unsigned int`
58			`ip2k_asm_hash (const char* insn)`
59			`{`
60			`unsigned int hash;`
61			`const char* m = insn;`
62
63			`for (hash = 0; m && ! ISSPACE (m); m++)`
64			`hash = (hash * 23) ^ (0x1F & TOLOWER (*m));`
65
66			`/* printf ("%s %d\n", insn, (hash % CGEN_ASM_HASH_SIZE)); */`
67
68			`return hash % CGEN_ASM_HASH_SIZE;`
69			`}`
70
71
72			`/* Special check to ensure that instruction exists for given machine. */`
73
74			`int`
75			`ip2k_cgen_insn_supported (CGEN_CPU_DESC cd, const CGEN_INSN *insn)`
76			`{`
77			`int machs = CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH);`
78
79			`/* No mach attribute? Assume it's supported for all machs. */`
80			`if (machs == 0)`
81			`return 1;`
82
83			`return (machs & cd->machs) != 0;`
84			`}`
85
86
87			`/* -- asm.c */`
88
89			`static const char *`
90			`parse_fr (CGEN_CPU_DESC cd,`
91			`const char **strp,`
92			`int opindex,`
93			`unsigned long *valuep)`
94			`{`
95			`const char *errmsg;`
96			`const char *old_strp;`
97			`char *afteroffset;`
98			`enum cgen_parse_operand_result result_type;`
99			`bfd_vma value;`
100			`extern CGEN_KEYWORD ip2k_cgen_opval_register_names;`
101			`bfd_vma tempvalue;`
102
103			`old_strp = *strp;`
104			`afteroffset = NULL;`
105
106			`/* Check here to see if you're about to try parsing a w as the first arg`
107			`and return an error if you are. */`
108			`if ((strncmp (strp, "w", 1) == 0) \|\| (strncmp (strp, "W", 1) == 0))`
109			`{`
110			`(*strp)++;`
111
112			`if ((strncmp (strp, ",", 1) == 0) \|\| ISSPACE (*strp))`
113			`{`
114			`/* We've been passed a w. Return with an error message so that`
115			`cgen will try the next parsing option. */`
116			`errmsg = _("W keyword invalid in FR operand slot.");`
117			`return errmsg;`
118			`}`
119			`*strp = old_strp;`
120			`}`
121
122			`/* Attempt parse as register keyword. */`
123			`errmsg = cgen_parse_keyword (cd, strp, & ip2k_cgen_opval_register_names,`
124			`(long *) valuep);`
125			`if (*strp != NULL`
126			`&& errmsg == NULL)`
127			`return errmsg;`
128
129			`/* Attempt to parse for "(IP)". */`
130			`afteroffset = strstr (*strp, "(IP)");`
131
132			`if (afteroffset == NULL)`
133			`/* Make sure it's not in lower case. */`
134			`afteroffset = strstr (*strp, "(ip)");`
135
136			`if (afteroffset != NULL)`
137			`{`
138			`if (afteroffset != *strp)`
139			`{`
140			`/* Invalid offset present. */`
141			`errmsg = _("offset(IP) is not a valid form");`
142			`return errmsg;`
143			`}`
144			`else`
145			`{`
146			`*strp += 4;`
147			`*valuep = 0;`
148			`errmsg = NULL;`
149			`return errmsg;`
150			`}`
151			`}`
152
153			`/* Attempt to parse for DP. ex: mov w, offset(DP)`
154			`mov offset(DP),w */`
155
156			`/* Try parsing it as an address and see what comes back. */`
157			`afteroffset = strstr (*strp, "(DP)");`
158
159			`if (afteroffset == NULL)`
160			`/* Maybe it's in lower case. */`
161			`afteroffset = strstr (*strp, "(dp)");`
162
163			`if (afteroffset != NULL)`
164			`{`
165			`if (afteroffset == *strp)`
166			`{`
167			`/* No offset present. Use 0 by default. */`
168			`tempvalue = 0;`
169			`errmsg = NULL;`
170			`}`
171			`else`
172			`errmsg = cgen_parse_address (cd, strp, opindex,`
173			`BFD_RELOC_IP2K_FR_OFFSET,`
174			`& result_type, & tempvalue);`
175
176			`if (errmsg == NULL)`
177			`{`
178			`if (tempvalue <= 127)`
179			`{`
180			`/* Value is ok. Fix up the first 2 bits and return. */`
181			`*valuep = 0x0100 \| tempvalue;`
182			`strp += 4; / Skip over the (DP) in strp. /`
183			`return errmsg;`
184			`}`
185			`else`
186			`{`
187			`/* Found something there in front of (DP) but it's out`
188			`of range. */`
189			`errmsg = _("(DP) offset out of range.");`
190			`return errmsg;`
191			`}`
192			`}`
193			`}`
194
195
196			`/* Attempt to parse for SP. ex: mov w, offset(SP)`
197			`mov offset(SP), w. */`
198			`afteroffset = strstr (*strp, "(SP)");`
199
200			`if (afteroffset == NULL)`
201			`/* Maybe it's in lower case. */`
202			`afteroffset = strstr (*strp, "(sp)");`
203
204			`if (afteroffset != NULL)`
205			`{`
206			`if (afteroffset == *strp)`
207			`{`
208			`/* No offset present. Use 0 by default. */`
209			`tempvalue = 0;`
210			`errmsg = NULL;`
211			`}`
212			`else`
213			`errmsg = cgen_parse_address (cd, strp, opindex,`
214			`BFD_RELOC_IP2K_FR_OFFSET,`
215			`& result_type, & tempvalue);`
216
217			`if (errmsg == NULL)`
218			`{`
219			`if (tempvalue <= 127)`
220			`{`
221			`/* Value is ok. Fix up the first 2 bits and return. */`
222			`*valuep = 0x0180 \| tempvalue;`
223			`strp += 4; / Skip over the (SP) in strp. /`
224			`return errmsg;`
225			`}`
226			`else`
227			`{`
228			`/* Found something there in front of (SP) but it's out`
229			`of range. */`
230			`errmsg = _("(SP) offset out of range.");`
231			`return errmsg;`
232			`}`
233			`}`
234			`}`
235
236			`/* Attempt to parse as an address. */`
237			`*strp = old_strp;`
238			`errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_IP2K_FR9,`
239			`& result_type, & value);`
240			`if (errmsg == NULL)`
241			`{`
242			`*valuep = value;`
243
244			`/* If a parenthesis is found, warn about invalid form. */`
245			`if (**strp == '(')`
246			`errmsg = _("illegal use of parentheses");`
247
248			`/* If a numeric value is specified, ensure that it is between`
249			`1 and 255. */`
250			`else if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)`
251			`{`
252			`if (value < 0x1 \|\| value > 0xff)`
253			`errmsg = _("operand out of range (not between 1 and 255)");`
254			`}`
255			`}`
256			`return errmsg;`
257			`}`
258
259			`static const char *`
260			`parse_addr16 (CGEN_CPU_DESC cd,`
261			`const char **strp,`
262			`int opindex,`
263			`unsigned long *valuep)`
264			`{`
265			`const char *errmsg;`
266			`enum cgen_parse_operand_result result_type;`
267			`bfd_reloc_code_real_type code = BFD_RELOC_NONE;`
268			`bfd_vma value;`
269
270			`if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16H)`
271			`code = BFD_RELOC_IP2K_HI8DATA;`
272			`else if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16L)`
273			`code = BFD_RELOC_IP2K_LO8DATA;`
274			`else`
275			`{`
276			`/* Something is very wrong. opindex has to be one of the above. */`
277			`errmsg = _("parse_addr16: invalid opindex.");`
278			`return errmsg;`
279			`}`
280
281			`errmsg = cgen_parse_address (cd, strp, opindex, code,`
282			`& result_type, & value);`
283			`if (errmsg == NULL)`
284			`{`
285			`/* We either have a relocation or a number now. */`
286			`if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)`
287			`{`
288			`/* We got a number back. */`
289			`if (code == BFD_RELOC_IP2K_HI8DATA)`
290			`value >>= 8;`
291			`else`
292			`/* code = BFD_RELOC_IP2K_LOW8DATA. */`
293			`value &= 0x00FF;`
294			`}`
295			`*valuep = value;`
296			`}`
297
298			`return errmsg;`
299			`}`
300
301			`static const char *`
302			`parse_addr16_cjp (CGEN_CPU_DESC cd,`
303			`const char **strp,`
304			`int opindex,`
305			`unsigned long *valuep)`
306			`{`
307			`const char *errmsg;`
308			`enum cgen_parse_operand_result result_type;`
309			`bfd_reloc_code_real_type code = BFD_RELOC_NONE;`
310			`bfd_vma value;`
311
312			`if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16CJP)`
313			`code = BFD_RELOC_IP2K_ADDR16CJP;`
314			`else if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16P)`
315			`code = BFD_RELOC_IP2K_PAGE3;`
316
317			`errmsg = cgen_parse_address (cd, strp, opindex, code,`
318			`& result_type, & value);`
319			`if (errmsg == NULL)`
320			`{`
321			`if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)`
322			`{`
323			`if ((value & 0x1) == 0) /* If the address is even .... */`
324			`{`
325			`if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16CJP)`
326			`valuep = (value >> 1) & 0x1FFF; / Should mask be 1FFF? */`
327			`else if (opindex == (CGEN_OPERAND_TYPE) IP2K_OPERAND_ADDR16P)`
328			`*valuep = (value >> 14) & 0x7;`
329			`}`
330			`else`
331			`errmsg = _("Byte address required. - must be even.");`
332			`}`
333			`else if (result_type == CGEN_PARSE_OPERAND_RESULT_QUEUED)`
334			`{`
335			`/* This will happen for things like (s2-s1) where s2 and s1`
336			`are labels. */`
337			`*valuep = value;`
338			`}`
339			`else`
340			`errmsg = _("cgen_parse_address returned a symbol. Literal required.");`
341			`}`
342			`return errmsg;`
343			`}`
344
345			`static const char *`
346			`parse_lit8 (CGEN_CPU_DESC cd,`
347			`const char **strp,`
348			`int opindex,`
349			`long *valuep)`
350			`{`
351			`const char *errmsg;`
352			`enum cgen_parse_operand_result result_type;`
353			`bfd_reloc_code_real_type code = BFD_RELOC_NONE;`
354			`bfd_vma value;`
355
356			`/* Parse %OP relocating operators. */`
357			`if (strncmp (*strp, "%bank", 5) == 0)`
358			`{`
359			`*strp += 5;`
360			`code = BFD_RELOC_IP2K_BANK;`
361			`}`
362			`else if (strncmp (*strp, "%lo8data", 8) == 0)`
363			`{`
364			`*strp += 8;`
365			`code = BFD_RELOC_IP2K_LO8DATA;`
366			`}`
367			`else if (strncmp (*strp, "%hi8data", 8) == 0)`
368			`{`
369			`*strp += 8;`
370			`code = BFD_RELOC_IP2K_HI8DATA;`
371			`}`
372			`else if (strncmp (*strp, "%ex8data", 8) == 0)`
373			`{`
374			`*strp += 8;`
375			`code = BFD_RELOC_IP2K_EX8DATA;`
376			`}`
377			`else if (strncmp (*strp, "%lo8insn", 8) == 0)`
378			`{`
379			`*strp += 8;`
380			`code = BFD_RELOC_IP2K_LO8INSN;`
381			`}`
382			`else if (strncmp (*strp, "%hi8insn", 8) == 0)`
383			`{`
384			`*strp += 8;`
385			`code = BFD_RELOC_IP2K_HI8INSN;`
386			`}`
387
388			`/* Parse %op operand. */`
389			`if (code != BFD_RELOC_NONE)`
390			`{`
391			`errmsg = cgen_parse_address (cd, strp, opindex, code,`
392			`& result_type, & value);`
393			`if ((errmsg == NULL) &&`
394			`(result_type != CGEN_PARSE_OPERAND_RESULT_QUEUED))`
395			`errmsg = _("percent-operator operand is not a symbol");`
396
397			`*valuep = value;`
398			`}`
399			`/* Parse as a number. */`
400			`else`
401			`{`
402			`errmsg = cgen_parse_signed_integer (cd, strp, opindex, valuep);`
403
404			`/* Truncate to eight bits to accept both signed and unsigned input. */`
405			`if (errmsg == NULL)`
406			`*valuep &= 0xFF;`
407			`}`
408
409			`return errmsg;`
410			`}`
411
412			`static const char *`
413			`parse_bit3 (CGEN_CPU_DESC cd,`
414			`const char **strp,`
415			`int opindex,`
416			`unsigned long *valuep)`
417			`{`
418			`const char *errmsg;`
419			`char mode = 0;`
420			`long count = 0;`
421			`unsigned long value;`
422
423			`if (strncmp (*strp, "%bit", 4) == 0)`
424			`{`
425			`*strp += 4;`
426			`mode = 1;`
427			`}`
428			`else if (strncmp (*strp, "%msbbit", 7) == 0)`
429			`{`
430			`*strp += 7;`
431			`mode = 1;`
432			`}`
433			`else if (strncmp (*strp, "%lsbbit", 7) == 0)`
434			`{`
435			`*strp += 7;`
436			`mode = 2;`
437			`}`
438
439			`errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, valuep);`
440			`if (errmsg)`
441			`return errmsg;`
442
443			`if (mode)`
444			`{`
445			`value = * valuep;`
446			`if (value == 0)`
447			`{`
448			`errmsg = _("Attempt to find bit index of 0");`
449			`return errmsg;`
450			`}`
451
452			`if (mode == 1)`
453			`{`
454			`count = 31;`
455			`while ((value & 0x80000000) == 0)`
456			`{`
457			`count--;`
458			`value <<= 1;`
459			`}`
460			`}`
461			`else if (mode == 2)`
462			`{`
463			`count = 0;`
464			`while ((value & 0x00000001) == 0)`
465			`{`
466			`count++;`
467			`value >>= 1;`
468			`}`
469			`}`
470
471			`*valuep = count;`
472			`}`
473
474			`return errmsg;`
475			`}`
476
477			`/* -- dis.c */`
478
479			`static void`
480			`print_fr (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,`
481			`void * dis_info,`
482			`long value,`
483			`unsigned int attrs ATTRIBUTE_UNUSED,`
484			`bfd_vma pc ATTRIBUTE_UNUSED,`
485			`int length ATTRIBUTE_UNUSED)`
486			`{`
487			`disassemble_info info = (disassemble_info ) dis_info;`
488			`const CGEN_KEYWORD_ENTRY *ke;`
489			`extern CGEN_KEYWORD ip2k_cgen_opval_register_names;`
490			`long offsettest;`
491			`long offsetvalue;`
492
493			`if (value == 0) /* This is (IP). */`
494			`{`
495			`(*info->fprintf_func) (info->stream, "%s", "(IP)");`
496			`return;`
497			`}`
498
499			`offsettest = value >> 7;`
500			`offsetvalue = value & 0x7F;`
501
502			`/* Check to see if first two bits are 10 -> (DP). */`
503			`if (offsettest == 2)`
504			`{`
505			`if (offsetvalue == 0)`
506			`(*info->fprintf_func) (info->stream, "%s","(DP)");`
507			`else`
508			`(*info->fprintf_func) (info->stream, "$%lx%s", offsetvalue, "(DP)");`
509			`return;`
510			`}`
511
512			`/* Check to see if first two bits are 11 -> (SP). */`
513			`if (offsettest == 3)`
514			`{`
515			`if (offsetvalue == 0)`
516			`(*info->fprintf_func) (info->stream, "%s", "(SP)");`
517			`else`
518			`(*info->fprintf_func) (info->stream, "$%lx%s", offsetvalue,"(SP)");`
519			`return;`
520			`}`
521
522			`/* Attempt to print as a register keyword. */`
523			`ke = cgen_keyword_lookup_value (& ip2k_cgen_opval_register_names, value);`
524
525			`if (ke != NULL)`
526			`(*info->fprintf_func) (info->stream, "%s", ke->name);`
527			`else`
528			`/* Print as an address literal. */`
529			`(*info->fprintf_func) (info->stream, "$%02lx", value);`
530			`}`
531
532			`static void`
533			`print_dollarhex (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,`
534			`void * dis_info,`
535			`long value,`
536			`unsigned int attrs ATTRIBUTE_UNUSED,`
537			`bfd_vma pc ATTRIBUTE_UNUSED,`
538			`int length ATTRIBUTE_UNUSED)`
539			`{`
540			`disassemble_info info = (disassemble_info ) dis_info;`
541
542			`(*info->fprintf_func) (info->stream, "$%lx", value);`
543			`}`
544
545			`static void`
546			`print_dollarhex8 (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,`
547			`void * dis_info,`
548			`long value,`
549			`unsigned int attrs ATTRIBUTE_UNUSED,`
550			`bfd_vma pc ATTRIBUTE_UNUSED,`
551			`int length ATTRIBUTE_UNUSED)`
552			`{`
553			`disassemble_info info = (disassemble_info ) dis_info;`
554
555			`(*info->fprintf_func) (info->stream, "$%02lx", value);`
556			`}`
557
558			`static void`
559			`print_dollarhex_addr16h (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,`
560			`void * dis_info,`
561			`long value,`
562			`unsigned int attrs ATTRIBUTE_UNUSED,`
563			`bfd_vma pc ATTRIBUTE_UNUSED,`
564			`int length ATTRIBUTE_UNUSED)`
565			`{`
566			`disassemble_info info = (disassemble_info ) dis_info;`
567
568			`/* This is a loadh instruction. Shift the value to the left`
569			`by 8 bits so that disassembled code will reassemble properly. */`
570			`value = ((value << 8) & 0xFF00);`
571
572			`(*info->fprintf_func) (info->stream, "$%04lx", value);`
573			`}`
574
575			`static void`
576			`print_dollarhex_addr16l (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,`
577			`void * dis_info,`
578			`long value,`
579			`unsigned int attrs ATTRIBUTE_UNUSED,`
580			`bfd_vma pc ATTRIBUTE_UNUSED,`
581			`int length ATTRIBUTE_UNUSED)`
582			`{`
583			`disassemble_info info = (disassemble_info ) dis_info;`
584
585			`(*info->fprintf_func) (info->stream, "$%04lx", value);`
586			`}`
587
588			`static void`
589			`print_dollarhex_p (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,`
590			`void * dis_info,`
591			`long value,`
592			`unsigned int attrs ATTRIBUTE_UNUSED,`
593			`bfd_vma pc ATTRIBUTE_UNUSED,`
594			`int length ATTRIBUTE_UNUSED)`
595			`{`
596			`disassemble_info info = (disassemble_info ) dis_info;`
597
598			`value = ((value << 14) & 0x1C000);`
599			`;value = (value & 0x1FFFF);`
600			`(*info->fprintf_func) (info->stream, "$%05lx", value);`
601			`}`
602
603			`static void`
604			`print_dollarhex_cj (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,`
605			`void * dis_info,`
606			`long value,`
607			`unsigned int attrs ATTRIBUTE_UNUSED,`
608			`bfd_vma pc ATTRIBUTE_UNUSED,`
609			`int length ATTRIBUTE_UNUSED)`
610			`{`
611			`disassemble_info info = (disassemble_info ) dis_info;`
612
613			`value = ((value << 1) & 0x1FFFF);`
614			`(*info->fprintf_func) (info->stream, "$%05lx", value);`
615			`}`
616
617			`static void`
618			`print_decimal (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,`
619			`void * dis_info,`
620			`long value,`
621			`unsigned int attrs ATTRIBUTE_UNUSED,`
622			`bfd_vma pc ATTRIBUTE_UNUSED,`
623			`int length ATTRIBUTE_UNUSED)`
624			`{`
625			`disassemble_info info = (disassemble_info ) dis_info;`
626
627			`(*info->fprintf_func) (info->stream, "%ld", value);`
628			`}`
629
630
631
632			`/* -- */`
633