]>
Commit | Line | Data |
---|---|---|
c896fe29 FB |
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 | */ | |
d38ea87a | 24 | #include "qemu/osdep.h" |
696a8be6 | 25 | #include "qemu/host-utils.h" |
c482cb11 RH |
26 | #include "cpu.h" |
27 | #include "exec/helper-proto.h" | |
28 | #include "exec/cpu_ldst.h" | |
29 | #include "exec/exec-all.h" | |
f6bb84d5 | 30 | #include "exec/tb-lookup.h" |
cedbcb01 EC |
31 | #include "disas/disas.h" |
32 | #include "exec/log.h" | |
571951b1 | 33 | #include "tcg.h" |
c896fe29 | 34 | |
31d66551 AJ |
35 | /* 32-bit helpers */ |
36 | ||
944eea96 | 37 | int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2) |
31d66551 AJ |
38 | { |
39 | return arg1 / arg2; | |
40 | } | |
41 | ||
944eea96 | 42 | int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2) |
31d66551 AJ |
43 | { |
44 | return arg1 % arg2; | |
45 | } | |
46 | ||
944eea96 | 47 | uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2) |
31d66551 AJ |
48 | { |
49 | return arg1 / arg2; | |
50 | } | |
51 | ||
944eea96 | 52 | uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2) |
31d66551 AJ |
53 | { |
54 | return arg1 % arg2; | |
55 | } | |
56 | ||
57 | /* 64-bit helpers */ | |
58 | ||
944eea96 | 59 | uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2) |
c896fe29 FB |
60 | { |
61 | return arg1 << arg2; | |
62 | } | |
63 | ||
944eea96 | 64 | uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2) |
c896fe29 | 65 | { |
944eea96 | 66 | return arg1 >> arg2; |
c896fe29 FB |
67 | } |
68 | ||
944eea96 | 69 | int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2) |
c896fe29 FB |
70 | { |
71 | return arg1 >> arg2; | |
72 | } | |
73 | ||
944eea96 | 74 | int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2) |
c896fe29 FB |
75 | { |
76 | return arg1 / arg2; | |
77 | } | |
78 | ||
944eea96 | 79 | int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2) |
c896fe29 | 80 | { |
c7b76a0a | 81 | return arg1 % arg2; |
c896fe29 FB |
82 | } |
83 | ||
944eea96 | 84 | uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2) |
c896fe29 FB |
85 | { |
86 | return arg1 / arg2; | |
87 | } | |
88 | ||
944eea96 | 89 | uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2) |
c896fe29 | 90 | { |
c7b76a0a | 91 | return arg1 % arg2; |
c896fe29 | 92 | } |
696a8be6 | 93 | |
944eea96 | 94 | uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2) |
696a8be6 RH |
95 | { |
96 | uint64_t l, h; | |
97 | mulu64(&l, &h, arg1, arg2); | |
98 | return h; | |
99 | } | |
100 | ||
944eea96 | 101 | int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2) |
696a8be6 RH |
102 | { |
103 | uint64_t l, h; | |
104 | muls64(&l, &h, arg1, arg2); | |
105 | return h; | |
106 | } | |
c482cb11 | 107 | |
0e28d006 RH |
108 | uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val) |
109 | { | |
110 | return arg ? clz32(arg) : zero_val; | |
111 | } | |
112 | ||
113 | uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val) | |
114 | { | |
115 | return arg ? ctz32(arg) : zero_val; | |
116 | } | |
117 | ||
118 | uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val) | |
119 | { | |
120 | return arg ? clz64(arg) : zero_val; | |
121 | } | |
122 | ||
123 | uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val) | |
124 | { | |
125 | return arg ? ctz64(arg) : zero_val; | |
126 | } | |
127 | ||
086920c2 RH |
128 | uint32_t HELPER(clrsb_i32)(uint32_t arg) |
129 | { | |
130 | return clrsb32(arg); | |
131 | } | |
132 | ||
133 | uint64_t HELPER(clrsb_i64)(uint64_t arg) | |
134 | { | |
135 | return clrsb64(arg); | |
136 | } | |
137 | ||
a768e4e9 RH |
138 | uint32_t HELPER(ctpop_i32)(uint32_t arg) |
139 | { | |
140 | return ctpop32(arg); | |
141 | } | |
142 | ||
143 | uint64_t HELPER(ctpop_i64)(uint64_t arg) | |
144 | { | |
145 | return ctpop64(arg); | |
146 | } | |
147 | ||
7f11636d | 148 | void *HELPER(lookup_tb_ptr)(CPUArchState *env) |
cedbcb01 | 149 | { |
29a0af61 | 150 | CPUState *cpu = env_cpu(env); |
cedbcb01 EC |
151 | TranslationBlock *tb; |
152 | target_ulong cs_base, pc; | |
f6bb84d5 | 153 | uint32_t flags; |
b97a879d | 154 | |
4e2ca83e | 155 | tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, curr_cflags()); |
f6bb84d5 | 156 | if (tb == NULL) { |
b1311c4a | 157 | return tcg_ctx->code_gen_epilogue; |
f6bb84d5 | 158 | } |
7f11636d | 159 | qemu_log_mask_and_addr(CPU_LOG_EXEC, pc, |
4fad446b PB |
160 | "Chain %d: %p [" |
161 | TARGET_FMT_lx "/" TARGET_FMT_lx "/%#x] %s\n", | |
162 | cpu->cpu_index, tb->tc.ptr, cs_base, pc, flags, | |
7f11636d | 163 | lookup_symbol(pc)); |
e7e168f4 | 164 | return tb->tc.ptr; |
cedbcb01 EC |
165 | } |
166 | ||
df79b996 RH |
167 | void HELPER(exit_atomic)(CPUArchState *env) |
168 | { | |
29a0af61 | 169 | cpu_loop_exit_atomic(env_cpu(env), GETPC()); |
df79b996 | 170 | } |