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1 /*
2  * Tiny Code Generator for QEMU
3  *
4  * Copyright (c) 2009 Ulrich Hecht <[email protected]>
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 #define TCG_TARGET_S390 1
25
26 #define TCG_TARGET_REG_BITS 64
27 #define TCG_TARGET_WORDS_BIGENDIAN
28
29 enum {
30     TCG_REG_R0 = 0,
31     TCG_REG_R1,
32     TCG_REG_R2,
33     TCG_REG_R3,
34     TCG_REG_R4,
35     TCG_REG_R5,
36     TCG_REG_R6,
37     TCG_REG_R7,
38     TCG_REG_R8,
39     TCG_REG_R9,
40     TCG_REG_R10,
41     TCG_REG_R11,
42     TCG_REG_R12,
43     TCG_REG_R13,
44     TCG_REG_R14,
45     TCG_REG_R15
46 };
47 #define TCG_TARGET_NB_REGS 16
48
49 /* optional instructions */
50 // #define TCG_TARGET_HAS_div_i32
51 // #define TCG_TARGET_HAS_rot_i32
52 // #define TCG_TARGET_HAS_ext8s_i32
53 // #define TCG_TARGET_HAS_ext16s_i32
54 // #define TCG_TARGET_HAS_ext8u_i32
55 // #define TCG_TARGET_HAS_ext16u_i32
56 // #define TCG_TARGET_HAS_bswap16_i32
57 // #define TCG_TARGET_HAS_bswap32_i32
58 // #define TCG_TARGET_HAS_not_i32
59 // #define TCG_TARGET_HAS_neg_i32
60 // #define TCG_TARGET_HAS_andc_i32
61 // #define TCG_TARGET_HAS_orc_i32
62 // #define TCG_TARGET_HAS_eqv_i32
63
64 // #define TCG_TARGET_HAS_div_i64
65 // #define TCG_TARGET_HAS_rot_i64
66 // #define TCG_TARGET_HAS_ext8s_i64
67 // #define TCG_TARGET_HAS_ext16s_i64
68 // #define TCG_TARGET_HAS_ext32s_i64
69 // #define TCG_TARGET_HAS_ext8u_i64
70 // #define TCG_TARGET_HAS_ext16u_i64
71 // #define TCG_TARGET_HAS_ext32u_i64
72 // #define TCG_TARGET_HAS_bswap16_i64
73 // #define TCG_TARGET_HAS_bswap32_i64
74 // #define TCG_TARGET_HAS_bswap64_i64
75 // #define TCG_TARGET_HAS_not_i64
76 // #define TCG_TARGET_HAS_neg_i64
77 // #define TCG_TARGET_HAS_andc_i64
78 // #define TCG_TARGET_HAS_orc_i64
79 // #define TCG_TARGET_HAS_eqv_i64
80
81 /* used for function call generation */
82 #define TCG_REG_CALL_STACK              TCG_REG_R15
83 #define TCG_TARGET_STACK_ALIGN          8
84 #define TCG_TARGET_CALL_STACK_OFFSET    0
85
86 enum {
87     /* Note: must be synced with dyngen-exec.h */
88     TCG_AREG0 = TCG_REG_R10,
89 };
90
91 static inline void flush_icache_range(unsigned long start, unsigned long stop)
92 {
93 #if QEMU_GNUC_PREREQ(4, 1)
94     __builtin___clear_cache((char *) start, (char *) stop);
95 #else
96 #error not implemented
97 #endif
98 }
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