tests: Add a tester for HMP commands
[qemu.git] / tcg-runtime.c
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 "cpu.h"
27 #include "exec/helper-proto.h"
28 #include "exec/cpu_ldst.h"
29 #include "exec/exec-all.h"
30
31 /* 32-bit helpers */
32
33 int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
34 {
35 return arg1 / arg2;
36 }
37
38 int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
39 {
40 return arg1 % arg2;
41 }
42
43 uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
44 {
45 return arg1 / arg2;
46 }
47
48 uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
49 {
50 return arg1 % arg2;
51 }
52
53 /* 64-bit helpers */
54
55 uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2)
56 {
57 return arg1 << arg2;
58 }
59
60 uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2)
61 {
62 return arg1 >> arg2;
63 }
64
65 int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2)
66 {
67 return arg1 >> arg2;
68 }
69
70 int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
71 {
72 return arg1 / arg2;
73 }
74
75 int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
76 {
77 return arg1 % arg2;
78 }
79
80 uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
81 {
82 return arg1 / arg2;
83 }
84
85 uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
86 {
87 return arg1 % arg2;
88 }
89
90 uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2)
91 {
92 uint64_t l, h;
93 mulu64(&l, &h, arg1, arg2);
94 return h;
95 }
96
97 int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2)
98 {
99 uint64_t l, h;
100 muls64(&l, &h, arg1, arg2);
101 return h;
102 }
103
104 uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val)
105 {
106 return arg ? clz32(arg) : zero_val;
107 }
108
109 uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val)
110 {
111 return arg ? ctz32(arg) : zero_val;
112 }
113
114 uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val)
115 {
116 return arg ? clz64(arg) : zero_val;
117 }
118
119 uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val)
120 {
121 return arg ? ctz64(arg) : zero_val;
122 }
123
124 uint32_t HELPER(clrsb_i32)(uint32_t arg)
125 {
126 return clrsb32(arg);
127 }
128
129 uint64_t HELPER(clrsb_i64)(uint64_t arg)
130 {
131 return clrsb64(arg);
132 }
133
134 uint32_t HELPER(ctpop_i32)(uint32_t arg)
135 {
136 return ctpop32(arg);
137 }
138
139 uint64_t HELPER(ctpop_i64)(uint64_t arg)
140 {
141 return ctpop64(arg);
142 }
143
144 void HELPER(exit_atomic)(CPUArchState *env)
145 {
146 cpu_loop_exit_atomic(ENV_GET_CPU(env), GETPC());
147 }
148
149 #ifndef CONFIG_SOFTMMU
150 /* The softmmu versions of these helpers are in cputlb.c. */
151
152 /* Do not allow unaligned operations to proceed. Return the host address. */
153 static void *atomic_mmu_lookup(CPUArchState *env, target_ulong addr,
154 int size, uintptr_t retaddr)
155 {
156 /* Enforce qemu required alignment. */
157 if (unlikely(addr & (size - 1))) {
158 cpu_loop_exit_atomic(ENV_GET_CPU(env), retaddr);
159 }
160 return g2h(addr);
161 }
162
163 /* Macro to call the above, with local variables from the use context. */
164 #define ATOMIC_MMU_LOOKUP atomic_mmu_lookup(env, addr, DATA_SIZE, GETPC())
165
166 #define ATOMIC_NAME(X) HELPER(glue(glue(atomic_ ## X, SUFFIX), END))
167 #define EXTRA_ARGS
168
169 #define DATA_SIZE 1
170 #include "atomic_template.h"
171
172 #define DATA_SIZE 2
173 #include "atomic_template.h"
174
175 #define DATA_SIZE 4
176 #include "atomic_template.h"
177
178 #ifdef CONFIG_ATOMIC64
179 #define DATA_SIZE 8
180 #include "atomic_template.h"
181 #endif
182
183 /* The following is only callable from other helpers, and matches up
184 with the softmmu version. */
185
186 #ifdef CONFIG_ATOMIC128
187
188 #undef EXTRA_ARGS
189 #undef ATOMIC_NAME
190 #undef ATOMIC_MMU_LOOKUP
191
192 #define EXTRA_ARGS , TCGMemOpIdx oi, uintptr_t retaddr
193 #define ATOMIC_NAME(X) \
194 HELPER(glue(glue(glue(atomic_ ## X, SUFFIX), END), _mmu))
195 #define ATOMIC_MMU_LOOKUP atomic_mmu_lookup(env, addr, DATA_SIZE, retaddr)
196
197 #define DATA_SIZE 16
198 #include "atomic_template.h"
199 #endif /* CONFIG_ATOMIC128 */
200
201 #endif /* !CONFIG_SOFTMMU */