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authorNick Clifton <nickc@redhat.com>2000-02-10 21:41:11 +0000
committerNick Clifton <nickc@redhat.com>2000-02-10 21:41:11 +0000
commita7966189d09d0a50e31319ac9df6b89ee5b72b3e (patch)
treef7c7c82a2cf1a69a2225403cc6fab419e5d633ec /opcodes
parent65540d8b34dba4f6e1f468a1002bca9c4be840b6 (diff)
downloadgdb-a7966189d09d0a50e31319ac9df6b89ee5b72b3e.tar.gz
Add support for M340 part.
Diffstat (limited to 'opcodes')
-rw-r--r--opcodes/ChangeLog11
-rw-r--r--opcodes/mcore-dis.c31
-rw-r--r--opcodes/mcore-opc.h8
3 files changed, 48 insertions, 2 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 7230e8b7f7e..2325da36166 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,14 @@
+2000-02-10 Nick Clifton <nickc@cygnus.com>
+
+ * mcore-opc.h (enum mcore_opclass): Add MULSH and OPSR
+ classes.
+ (mcore_table): Add "idly4", "psrclr", "psrset", "mulsh" and
+ "mulsh.h" instructions.
+ * mcore-dis.c (imsk array): Add masks for MULSH and OPSR
+ classes.
+ (print_insn_mcore): Add support for little endian targets.
+ Add support for MULSH and OPSR classes.
+
2000-02-07 Nick Clifton <nickc@cygnus.com>
* arm-dis.c (parse_arm_diassembler_option): Rename again.
diff --git a/opcodes/mcore-dis.c b/opcodes/mcore-dis.c
index 518ef5b6930..096cec9aec0 100644
--- a/opcodes/mcore-dis.c
+++ b/opcodes/mcore-dis.c
@@ -1,5 +1,5 @@
/* Disassemble Motorola M*Core instructions.
- Copyright (C) 1993, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1999, 2000 Free Software Foundation, Inc.
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
@@ -57,6 +57,9 @@ static const unsigned short imsk[] =
/* OMc */ 0xFF00,
/* SIa */ 0xFE00,
+ /* MULSH */ 0xFF00,
+ /* OPSR */ 0xFFF8, /* psrset/psrclr */
+
/* JC */ 0, /* JC,JU,JL don't appear in object */
/* JU */ 0,
/* JL */ 0,
@@ -105,7 +108,12 @@ print_insn_mcore (memaddr, info)
return -1;
}
+ if (info->endian == BFD_ENDIAN_BIG)
inst = (ibytes[0] << 8) | ibytes[1];
+ else if (info->endian == BFD_ENDIAN_LITTLE)
+ inst = (ibytes[1] << 8) | ibytes[0];
+ else
+ abort ();
/* Just a linear search of the table. */
for (op = mcore_table; op->name != 0; op ++)
@@ -129,6 +137,7 @@ print_insn_mcore (memaddr, info)
case JSR: fprintf (stream, "\t%s", name); break;
case OC: fprintf (stream, "\t%s, %s", name, crname[(inst >> 4) & 0x1F]); break;
case O1R1: fprintf (stream, "\t%s, r1", name); break;
+ case MULSH:
case O2: fprintf (stream, "\t%s, %s", name, grname[(inst >> 4) & 0xF]); break;
case X1: fprintf (stream, "\tr1, %s", name); break;
case OI: fprintf (stream, "\t%s, %d", name, ((inst >> 4) & 0x1F) + 1); break;
@@ -193,6 +202,10 @@ print_insn_mcore (memaddr, info)
break;
}
+ if (info->endian == BFD_ENDIAN_LITTLE)
+ val = (ibytes[3] << 24) | (ibytes[2] << 16)
+ | (ibytes[1] << 8) | (ibytes[0]);
+ else
val = (ibytes[0] << 24) | (ibytes[1] << 16)
| (ibytes[2] << 8) | (ibytes[3]);
@@ -218,6 +231,10 @@ print_insn_mcore (memaddr, info)
break;
}
+ if (info->endian == BFD_ENDIAN_LITTLE)
+ val = (ibytes[3] << 24) | (ibytes[2] << 16)
+ | (ibytes[1] << 8) | (ibytes[0]);
+ else
val = (ibytes[0] << 24) | (ibytes[1] << 16)
| (ibytes[2] << 8) | (ibytes[3]);
@@ -237,6 +254,18 @@ print_insn_mcore (memaddr, info)
}
break;
+ case OPSR:
+ {
+ static char * fields[] =
+ {
+ "af", "ie", "fe", "fe,ie",
+ "ee", "ee,ie", "ee,fe", "ee,fe,ie"
+ };
+
+ fprintf (stream, "\t%s", fields[inst & 0x7]);
+ }
+ break;
+
default:
/* if the disassembler lags the instruction set */
fprintf (stream, "\tundecoded operands, inst is 0x%04x", inst);
diff --git a/opcodes/mcore-opc.h b/opcodes/mcore-opc.h
index e0bc333b4c1..6ff05eeca16 100644
--- a/opcodes/mcore-opc.h
+++ b/opcodes/mcore-opc.h
@@ -1,5 +1,5 @@
/* Assembler instructions for Motorola's Mcore processor
- Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
@@ -24,6 +24,7 @@ typedef enum
OMa, SI, I7, LS, BR, BL, LR, LJ,
RM, RQ, JSR, JMP, OBRa, OBRb, OBRc, OBR2,
O1R1, OMb, OMc, SIa,
+ MULSH, OPSR,
JC, JU, JL, RSI, DO21, OB2
}
mcore_opclass;
@@ -48,6 +49,7 @@ mcore_opcode_info mcore_table[] =
{ "stop", O0, 0, 0x0004 },
{ "wait", O0, 0, 0x0005 },
{ "doze", O0, 0, 0x0006 },
+ { "idly4", O0, 0, 0x0007 },
{ "trap", OT, 0, 0x0008 },
/* SPACE: 0x000C - 0x000F */
/* SPACE: 0x0010 - 0x001F */
@@ -99,6 +101,8 @@ mcore_opcode_info mcore_table[] =
{ "tst", O2, 0, 0x0E00 },
{ "cmpne", O2, 0, 0x0F00 },
{ "mfcr", OC, 0, 0x1000 },
+ { "psrclr", OPSR, 0, 0x11F0 },
+ { "psrset", OPSR, 0, 0x11F8 },
{ "mov", O2, 0, 0x1200 },
{ "bgenr", O2, 0, 0x1300 },
{ "rsub", O2, 0, 0x1400 },
@@ -147,6 +151,8 @@ mcore_opcode_info mcore_table[] =
{ "movi", I7, 0, 0x6000 },
#define MCORE_INST_BMASKI_ALT 0x6000
#define MCORE_INST_BGENI_ALT 0x6000
+ { "mulsh", MULSH, 0, 0x6800 },
+ { "muls.h", MULSH, 0, 0x6800 },
/* SPACE: 0x6900 - 0x6FFF */
{ "jmpi", LJ, 1, 0x7000 },
{ "jsri", LJ, 0, 0x7F00 },