src/include/inr.h

#ifndef INR_H
#define INR_H

/*
 *  Copyright (C) 2007  Anders Gavare.  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright  
 *     notice, this list of conditions and the following disclaimer in the 
 *     documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE   
 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 *  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *
 *
 *  $Id: inr.h,v 1.2 2007/03/31 15:11:26 debug Exp $
 *
 *  Intermediate Native Representation
 *
 *  Data structures etc. used during native code generation.
 */

#ifndef NATIVE_CODE_GENERATION
#error Huh? inr.h should not be included.
#endif


struct inr_entry {
        int             opcode;
        size_t          arg1;
        size_t          arg2;
        size_t          arg3;
};

/*
 *  The way these defines are named works as follows:
 *
 *  INR_OPCODE_opcodename[_args[..]]
 *
 *  where args usually is something like this:
 *
 *      xCR32   32-bit register offset, struct cpu relative
 *      xCR64   64-bit register offset, struct cpu relative
 *      IS16    immediate signed 16-bit
 *      IS32    immediate signed 32-bit
 *      IU16    immediate unsigned 16-bit
 *      IU32    immediate unsigned 32-bit
 *
 *  Prefixes are:
 *
 *      S       source
 *      D       destination
 */

#define INR_OPCODE_UNKNOWN                      0

/*  Misc.:  */
#define INR_OPCODE_NOP                          1

/*  Arithmetic:  */
#define INR_OPCODE_XOR_DCR32_SCR32_IS16         2
#define INR_OPCODE_OR_DCR32_SCR32_IS16          3


/*
 *  Max nr of intermediate opcodes in the inr_entries array. The most common
 *  case is that one "basic block" of the emulated machine code is translated,
 *  so this should be large enough to hold a large basic block plus margin.
 */
#define INR_MAX_ENTRIES         128

struct inr {
        struct inr_entry        *inr_entries;
        int                     nr_inr_entries_used;

        uint64_t                paddr;
};


#endif  /*  INR_H  */
1	#ifndef INR_H
2	#define INR_H
3
4	/*
5	* Copyright (C) 2007 Anders Gavare. All rights reserved.
6	*
7	* Redistribution and use in source and binary forms, with or without
8	* modification, are permitted provided that the following conditions are met:
9	*
10	* 1. Redistributions of source code must retain the above copyright
11	* notice, this list of conditions and the following disclaimer.
12	* 2. Redistributions in binary form must reproduce the above copyright
13	* notice, this list of conditions and the following disclaimer in the
14	* documentation and/or other materials provided with the distribution.
15	* 3. The name of the author may not be used to endorse or promote products
16	* derived from this software without specific prior written permission.
17	*
18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28	* SUCH DAMAGE.
29	*
30	*
31	* $Id: inr.h,v 1.2 2007/03/31 15:11:26 debug Exp $
32	*
33	* Intermediate Native Representation
34	*
35	* Data structures etc. used during native code generation.
36	*/
37
38	#ifndef NATIVE_CODE_GENERATION
39	#error Huh? inr.h should not be included.
40	#endif
41
42
43	struct inr_entry {
44	int opcode;
45	size_t arg1;
46	size_t arg2;
47	size_t arg3;
48	};
49
50	/*
51	* The way these defines are named works as follows:
52	*
53	* INR_OPCODE_opcodename[_args[..]]
54	*
55	* where args usually is something like this:
56	*
57	* xCR32 32-bit register offset, struct cpu relative
58	* xCR64 64-bit register offset, struct cpu relative
59	* IS16 immediate signed 16-bit
60	* IS32 immediate signed 32-bit
61	* IU16 immediate unsigned 16-bit
62	* IU32 immediate unsigned 32-bit
63	*
64	* Prefixes are:
65	*
66	* S source
67	* D destination
68	*/
69
70	#define INR_OPCODE_UNKNOWN 0
71
72	/* Misc.: */
73	#define INR_OPCODE_NOP 1
74
75	/* Arithmetic: */
76	#define INR_OPCODE_XOR_DCR32_SCR32_IS16 2
77	#define INR_OPCODE_OR_DCR32_SCR32_IS16 3
78
79
80	/*
81	* Max nr of intermediate opcodes in the inr_entries array. The most common
82	* case is that one "basic block" of the emulated machine code is translated,
83	* so this should be large enough to hold a large basic block plus margin.
84	*/
85	#define INR_MAX_ENTRIES 128
86
87	struct inr {
88	struct inr_entry *inr_entries;
89	int nr_inr_entries_used;
90
91	uint64_t paddr;
92	};
93
94
95	#endif /* INR_H */