xref: /qemu/tcg/s390x/tcg-target.h (revision 12f06532c86467c2efac13f6cd630fa5c6f7bda8)
1 /*
2  * Tiny Code Generator for QEMU
3  *
4  * Copyright (c) 2009 Ulrich Hecht <uli@suse.de>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef S390_TCG_TARGET_H
26 #define S390_TCG_TARGET_H
27 
28 #define TCG_TARGET_INSN_UNIT_SIZE 2
29 
30 /* We have a +- 4GB range on the branches; leave some slop.  */
31 #define MAX_CODE_GEN_BUFFER_SIZE  (3 * GiB)
32 
33 typedef enum TCGReg {
34     TCG_REG_R0,  TCG_REG_R1,  TCG_REG_R2,  TCG_REG_R3,
35     TCG_REG_R4,  TCG_REG_R5,  TCG_REG_R6,  TCG_REG_R7,
36     TCG_REG_R8,  TCG_REG_R9,  TCG_REG_R10, TCG_REG_R11,
37     TCG_REG_R12, TCG_REG_R13, TCG_REG_R14, TCG_REG_R15,
38 
39     TCG_REG_V0 = 32, TCG_REG_V1,  TCG_REG_V2,  TCG_REG_V3,
40     TCG_REG_V4,  TCG_REG_V5,  TCG_REG_V6,  TCG_REG_V7,
41     TCG_REG_V8,  TCG_REG_V9,  TCG_REG_V10, TCG_REG_V11,
42     TCG_REG_V12, TCG_REG_V13, TCG_REG_V14, TCG_REG_V15,
43     TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19,
44     TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23,
45     TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27,
46     TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31,
47 
48     TCG_AREG0 = TCG_REG_R10,
49     TCG_REG_CALL_STACK = TCG_REG_R15
50 } TCGReg;
51 
52 #define TCG_TARGET_NB_REGS 64
53 
54 #endif
55