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Add support for ColdFire MAC instructions and tidy up support for other m68k

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variants.
This commit is contained in:
Nick Clifton
2004-04-22 10:33:16 +00:00
parent 69b975477d
commit fd99574ba5
20 changed files with 20250 additions and 153 deletions
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70
opcodes/m68k-dis.c
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@@ -1,6 +1,6 @@
/* Print Motorola 68k instructions.
Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
1998, 1999, 2000, 2001, 2002, 2003
1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is free software; you can redistribute it and/or modify
@@ -264,16 +264,19 @@ print_insn_m68k (memaddr, info)
arch_mask = mcf5200;
break;
case bfd_mach_mcf528x:
arch_mask = mcf528x;
arch_mask = mcf528x | mcfmac;
break;
case bfd_mach_mcf5206e:
arch_mask = mcf5206e;
arch_mask = mcf5206e | mcfmac;
break;
case bfd_mach_mcf5307:
arch_mask = mcf5307;
arch_mask = mcf5307 | mcfmac;
break;
case bfd_mach_mcf5407:
arch_mask = mcf5407;
arch_mask = mcf5407 | mcfmac;
break;
case bfd_mach_mcfv4e:
arch_mask = mcfv4e | mcfemac;
break;
}
@@ -736,6 +739,24 @@ print_insn_arg (d, buffer, p0, addr, info)
fpcr_names[fetch_arg (buffer, place, 3, info)]);
break;
case 'e':
val = fetch_arg(buffer, place, 2, info);
(*info->fprintf_func) (info->stream, "%%acc%d", val);
break;
case 'g':
val = fetch_arg(buffer, place, 2, info);
(*info->fprintf_func) (info->stream, "%%accext%s", val==0 ? "01" : "23");
break;
case 'i':
val = fetch_arg(buffer, place, 2, info);
if (val == 1)
(*info->fprintf_func) (info->stream, "<<");
else if (val == 3)
(*info->fprintf_func) (info->stream, ">>");
break;
case 'I':
/* Get coprocessor ID... */
val = fetch_arg (buffer, 'd', 3, info);
@@ -744,6 +765,7 @@ print_insn_arg (d, buffer, p0, addr, info)
(*info->fprintf_func) (info->stream, "(cpid=%d) ", val);
break;
case '4':
case '*':
case '~':
case '%':
@@ -881,6 +903,16 @@ print_insn_arg (d, buffer, p0, addr, info)
return -1;
}
}
/* If place is '/', then this is the case of the mask bit for
mac/emac loads. Now that the arg has been printed, grab the
mask bit and if set, add a '&' to the arg. */
if (place == '/')
{
val = fetch_arg (buffer, place, 1, info);
if (val)
(*info->fprintf_func) (info->stream, "&");
}
break;
case 'L':
@@ -1075,6 +1107,34 @@ fetch_arg (buffer, code, bits, info)
register int val = 0;
switch (code)
{
case '/': /* MAC/EMAC mask bit. */
val = buffer[3] >> 5;
break;
case 'G': /* EMAC ACC load. */
val = ((buffer[3] >> 3) & 0x2) | ((~buffer[2] >> 7) & 0x1);
break;
case 'H': /* EMAC ACC !load. */
val = ((buffer[3] >> 3) & 0x2) | ((buffer[2] >> 7) & 0x1);
break;
case ']': /* EMAC ACCEXT bit. */
val = buffer[0] >> 2;
break;
case 'I': /* MAC/EMAC scale factor. */
val = buffer[0] >> 1;
break;
case 'F': /* EMAC ACCx. */
val = buffer[0] >> 1;
break;
case 'f':
val = buffer[0];
break;
case 's':
val = buffer[1];
break;