@samitouri / QOSamiQemu
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1 /*
2 * Tiny Code Generator for QEMU
3 *
4 * Copyright (c) 2008 Fabrice Bellard
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 #include "qemu/osdep.h"
25 #include "qemu/host-utils.h"
26 #include "exec/cpu-common.h"
27 #include "exec/helper-proto-common.h"
28 #include "accel/tcg/cpu-loop.h"
29 #include "accel/tcg/getpc.h"
30
31 #define HELPER_H "accel/tcg/tcg-runtime.h"
32 #include "exec/helper-info.c.inc"
33 #undef HELPER_H
34
35 /* 32-bit helpers */
36
37 int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
38 {
39 return arg1 / arg2;
40 }
41
42 int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
43 {
44 return arg1 % arg2;
45 }
46
47 uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
48 {
49 return arg1 / arg2;
50 }
51
52 uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
53 {
54 return arg1 % arg2;
55 }
56
57 /* 64-bit helpers */
58
59 int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
60 {
61 return arg1 / arg2;
62 }
63
64 int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
65 {
66 return arg1 % arg2;
67 }
68
69 uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
70 {
71 return arg1 / arg2;
72 }
73
74 uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
75 {
76 return arg1 % arg2;
77 }
78
79 uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2)
80 {
81 uint64_t l, h;
82 mulu64(&l, &h, arg1, arg2);
83 return h;
84 }
85
86 int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2)
87 {
88 uint64_t l, h;
89 muls64(&l, &h, arg1, arg2);
90 return h;
91 }
92
93 uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val)
94 {
95 return arg ? clz32(arg) : zero_val;
96 }
97
98 uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val)
99 {
100 return arg ? ctz32(arg) : zero_val;
101 }
102
103 uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val)
104 {
105 return arg ? clz64(arg) : zero_val;
106 }
107
108 uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val)
109 {
110 return arg ? ctz64(arg) : zero_val;
111 }
112
113 uint32_t HELPER(clrsb_i32)(uint32_t arg)
114 {
115 return clrsb32(arg);
116 }
117
118 uint64_t HELPER(clrsb_i64)(uint64_t arg)
119 {
120 return clrsb64(arg);
121 }
122
123 uint32_t HELPER(ctpop_i32)(uint32_t arg)
124 {
125 return ctpop32(arg);
126 }
127
128 uint64_t HELPER(ctpop_i64)(uint64_t arg)
129 {
130 return ctpop64(arg);
131 }
132
133 void HELPER(exit_atomic)(CPUArchState *env)
134 {
135 cpu_loop_exit_atomic(env_cpu(env), GETPC());
136 }