1 /* Assembler instructions for Motorola's Mcore processor
2    Copyright 1999, 2000, 2002 Free Software Foundation, Inc.
3 
4 
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9 
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 GNU General Public License for more details.
14 
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
18 
19 #include "ansidecl.h"
20 
21 typedef enum
22 {
23   O0,    OT,   O1,   OC,   O2,    X1,    OI,    OB,
24   OMa,   SI,   I7,   LS,   BR,    BL,    LR,    LJ,
25   RM,    RQ,   JSR,  JMP,  OBRa,  OBRb,  OBRc,  OBR2,
26   O1R1,  OMb,  OMc,  SIa,
27   MULSH, OPSR,
28   JC,    JU,   JL,   RSI,  DO21,  OB2
29 }
30 mcore_opclass;
31 
32 typedef struct inst
33 {
34   char *         name;
35   mcore_opclass  opclass;
36   unsigned char  transfer;
37   unsigned short inst;
38 }
39 mcore_opcode_info;
40 
41 #ifdef DEFINE_TABLE
42 const mcore_opcode_info mcore_table[] =
43 {
44   { "bkpt",	O0,	0,	0x0000 },
45   { "sync",	O0,	0,	0x0001 },
46   { "rte",	O0,	1,	0x0002 },
47   { "rfe",	O0,	1,	0x0002 },
48   { "rfi",	O0,	1,	0x0003 },
49   { "stop",	O0,	0,	0x0004 },
50   { "wait",	O0,	0,	0x0005 },
51   { "doze",	O0,	0,	0x0006 },
52   { "idly4",    O0,     0,      0x0007 },
53   { "trap",	OT,	0,	0x0008 },
54 /* SPACE:                       0x000C - 0x000F */
55 /* SPACE:                       0x0010 - 0x001F */
56   { "mvc",	O1,	0,	0x0020 },
57   { "mvcv",	O1,	0,	0x0030 },
58   { "ldq",	RQ,	0,	0x0040 },
59   { "stq",	RQ,	0,	0x0050 },
60   { "ldm",	RM,	0,	0x0060 },
61   { "stm",	RM,	0,	0x0070 },
62   { "dect",	O1,	0,	0x0080 },
63   { "decf",	O1,	0,	0x0090 },
64   { "inct",	O1,	0,	0x00A0 },
65   { "incf",	O1,	0,	0x00B0 },
66   { "jmp",	JMP,	2,	0x00C0 },
67 #define	MCORE_INST_JMP	0x00C0
68   { "jsr",	JSR,	0,	0x00D0 },
69 #define	MCORE_INST_JSR	0x00E0
70   { "ff1",	O1,	0,	0x00E0 },
71   { "brev",	O1,	0,	0x00F0 },
72   { "xtrb3",	X1,	0,	0x0100 },
73   { "xtrb2",	X1,	0,	0x0110 },
74   { "xtrb1",	X1,	0,	0x0120 },
75   { "xtrb0",	X1,	0,	0x0130 },
76   { "zextb",	O1,	0,	0x0140 },
77   { "sextb",	O1,	0,	0x0150 },
78   { "zexth",	O1,	0,	0x0160 },
79   { "sexth",	O1,	0,	0x0170 },
80   { "declt",	O1,	0,	0x0180 },
81   { "tstnbz",	O1,	0,	0x0190 },
82   { "decgt",	O1,	0,	0x01A0 },
83   { "decne",	O1,	0,	0x01B0 },
84   { "clrt",	O1,	0,	0x01C0 },
85   { "clrf",	O1,	0,	0x01D0 },
86   { "abs",	O1,	0,	0x01E0 },
87   { "not",	O1,	0,	0x01F0 },
88   { "movt",	O2,	0,	0x0200 },
89   { "mult",	O2,	0,	0x0300 },
90   { "loopt",	BL,	0,	0x0400 },
91   { "subu",	O2,	0,	0x0500 },
92   { "sub",	O2,	0,	0x0500 }, /* Official alias.  */
93   { "addc",	O2,	0,	0x0600 },
94   { "subc",	O2,	0,	0x0700 },
95 /* SPACE: 0x0800-0x08ff for a diadic operation */
96 /* SPACE: 0x0900-0x09ff for a diadic operation */
97   { "movf",	O2,	0,	0x0A00 },
98   { "lsr",	O2,	0,	0x0B00 },
99   { "cmphs",	O2,	0,	0x0C00 },
100   { "cmplt",	O2,	0,	0x0D00 },
101   { "tst",	O2,	0,	0x0E00 },
102   { "cmpne",	O2,	0,	0x0F00 },
103   { "mfcr",	OC,	0,	0x1000 },
104   { "psrclr",	OPSR,	0,	0x11F0 },
105   { "psrset",	OPSR,	0,	0x11F8 },
106   { "mov",	O2,	0,	0x1200 },
107   { "bgenr",	O2,	0,	0x1300 },
108   { "rsub",	O2,	0,	0x1400 },
109   { "ixw",	O2,	0,	0x1500 },
110   { "and",	O2,	0,	0x1600 },
111   { "xor",	O2,	0,	0x1700 },
112   { "mtcr",	OC,	0,	0x1800 },
113   { "asr",	O2,	0,	0x1A00 },
114   { "lsl",	O2,	0,	0x1B00 },
115   { "addu",	O2,	0,	0x1C00 },
116   { "add",	O2,	0,	0x1C00 }, /* Official alias.  */
117   { "ixh",	O2,	0,	0x1D00 },
118   { "or",	O2,	0,	0x1E00 },
119   { "andn",	O2,	0,	0x1F00 },
120   { "addi",	OI,	0,	0x2000 },
121 #define	MCORE_INST_ADDI	0x2000
122   { "cmplti",	OI,	0,	0x2200 },
123   { "subi",	OI,	0,	0x2400 },
124 /* SPACE: 0x2600-0x27ff open for a register+immediate  operation */
125   { "rsubi",	OB,	0,	0x2800 },
126   { "cmpnei",	OB,	0,	0x2A00 },
127   { "bmaski",	OMa,	0,	0x2C00 },
128   { "divu",	O1R1,	0,	0x2C10 },
129 /* SPACE:                       0x2c20 - 0x2c7f */
130   { "bmaski",	OMb,	0,	0x2C80 },
131   { "bmaski",	OMc,	0,	0x2D00 },
132   { "andi",	OB,	0,	0x2E00 },
133   { "bclri",	OB,	0,	0x3000 },
134 /* SPACE:                       0x3200 - 0x320f */
135   { "divs",	O1R1,	0,	0x3210 },
136 /* SPACE:                       0x3220 - 0x326f */
137   { "bgeni",	OBRa,	0,	0x3270 },
138   { "bgeni",	OBRb,	0,	0x3280 },
139   { "bgeni",	OBRc,	0,	0x3300 },
140   { "bseti",	OB,	0,	0x3400 },
141   { "btsti",	OB,	0,	0x3600 },
142   { "xsr",	O1,	0,	0x3800 },
143   { "rotli",	SIa,	0,	0x3800 },
144   { "asrc",	O1,	0,	0x3A00 },
145   { "asri",	SIa,	0,	0x3A00 },
146   { "lslc",	O1,	0,	0x3C00 },
147   { "lsli",	SIa,	0,	0x3C00 },
148   { "lsrc",	O1,	0,	0x3E00 },
149   { "lsri",	SIa,	0,	0x3E00 },
150 /* SPACE:                       0x4000 - 0x5fff */
151   { "movi",	I7,	0,	0x6000 },
152 #define MCORE_INST_BMASKI_ALT	0x6000
153 #define MCORE_INST_BGENI_ALT	0x6000
154   { "mulsh",    MULSH,  0,      0x6800 },
155   { "muls.h",   MULSH,  0,      0x6800 },
156 /* SPACE:                       0x6900 - 0x6FFF */
157   { "jmpi",	LJ,	1,	0x7000 },
158   { "jsri",	LJ,	0,	0x7F00 },
159 #define	MCORE_INST_JMPI	0x7000
160   { "lrw",	LR,	0,	0x7000 },
161 #define	MCORE_INST_JSRI	0x7F00
162   { "ld",	LS,	0,	0x8000 },
163   { "ldw",	LS,	0,	0x8000 },
164   { "ld.w",	LS,	0,	0x8000 },
165   { "st",	LS,	0,	0x9000 },
166   { "stw",	LS,	0,	0x9000 },
167   { "st.w",	LS,	0,	0x9000 },
168   { "ldb",	LS,	0,	0xA000 },
169   { "ld.b",	LS,	0,	0xA000 },
170   { "stb",	LS,	0,	0xB000 },
171   { "st.b",	LS,	0,	0xB000 },
172   { "ldh",	LS,	0,	0xC000 },
173   { "ld.h",	LS,	0,	0xC000 },
174   { "sth",	LS,	0,	0xD000 },
175   { "st.h",	LS,	0,	0xD000 },
176   { "bt",	BR,	0,	0xE000 },
177   { "bf",	BR,	0,	0xE800 },
178   { "br",	BR,	1,	0xF000 },
179 #define	MCORE_INST_BR	0xF000
180   { "bsr",	BR,	0,	0xF800 },
181 #define	MCORE_INST_BSR	0xF800
182 
183 /* The following are relaxable branches */
184   { "jbt",	JC,	0,	0xE000 },
185   { "jbf",	JC,	0,	0xE800 },
186   { "jbr",	JU,	1,	0xF000 },
187   { "jbsr",	JL,	0,	0xF800 },
188 
189 /* The following are aliases for other instructions */
190   { "rts",	O0,	2,	0x00CF },  /* jmp r15 */
191   { "rolc",	DO21,	0,	0x0600 },  /* addc rd,rd */
192   { "rotlc",	DO21,   0,	0x0600 },  /* addc rd,rd */
193   { "setc",	O0,	0,	0x0C00 },  /* cmphs r0,r0 */
194   { "clrc",	O0,	0,	0x0F00 },  /* cmpne r0,r0 */
195   { "tstle",	O1,	0,	0x2200 },  /* cmplti rd,1 */
196   { "cmplei",	OB,	0,	0x2200 },  /* cmplei rd,X -> cmplti rd,X+1 */
197   { "neg",	O1,	0,	0x2800 },  /* rsubi rd,0 */
198   { "tstne",	O1,	0,	0x2A00 },  /* cmpnei rd,0 */
199   { "tstlt",	O1,	0,	0x37F0 },  /* btsti rx,31 */
200   { "mclri",	OB2,	0,	0x3000 },  /* bclri rx,log2(imm) */
201   { "mgeni",	OBR2,	0,	0x3200 },  /* bgeni rx,log2(imm) */
202   { "mseti",	OB2,	0,	0x3400 },  /* bseti rx,log2(imm) */
203   { "mtsti",	OB2,	0,	0x3600 },  /* btsti rx,log2(imm) */
204   { "rori",	RSI,	0,	0x3800 },
205   { "rotri",	RSI,    0,	0x3800 },
206   { "nop",	O0,     0,	0x1200 },  /* mov r0, r0 */
207   { 0,		0,	0,      0 }
208 };
209 #endif
210