xref: /openbmc/qemu/include/tcg/tcg-ldst.h (revision b6235a75)
1 /*
2  * Memory helpers that will be used by TCG generated code.
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 
25 #ifndef TCG_LDST_H
26 #define TCG_LDST_H
27 
28 #ifdef CONFIG_SOFTMMU
29 
30 /* Value zero-extended to tcg register size.  */
31 tcg_target_ulong helper_ret_ldub_mmu(CPUArchState *env, target_ulong addr,
32                                      MemOpIdx oi, uintptr_t retaddr);
33 tcg_target_ulong helper_le_lduw_mmu(CPUArchState *env, target_ulong addr,
34                                     MemOpIdx oi, uintptr_t retaddr);
35 tcg_target_ulong helper_le_ldul_mmu(CPUArchState *env, target_ulong addr,
36                                     MemOpIdx oi, uintptr_t retaddr);
37 uint64_t helper_le_ldq_mmu(CPUArchState *env, target_ulong addr,
38                            MemOpIdx oi, uintptr_t retaddr);
39 tcg_target_ulong helper_be_lduw_mmu(CPUArchState *env, target_ulong addr,
40                                     MemOpIdx oi, uintptr_t retaddr);
41 tcg_target_ulong helper_be_ldul_mmu(CPUArchState *env, target_ulong addr,
42                                     MemOpIdx oi, uintptr_t retaddr);
43 uint64_t helper_be_ldq_mmu(CPUArchState *env, target_ulong addr,
44                            MemOpIdx oi, uintptr_t retaddr);
45 
46 /* Value sign-extended to tcg register size.  */
47 tcg_target_ulong helper_ret_ldsb_mmu(CPUArchState *env, target_ulong addr,
48                                      MemOpIdx oi, uintptr_t retaddr);
49 tcg_target_ulong helper_le_ldsw_mmu(CPUArchState *env, target_ulong addr,
50                                     MemOpIdx oi, uintptr_t retaddr);
51 tcg_target_ulong helper_le_ldsl_mmu(CPUArchState *env, target_ulong addr,
52                                     MemOpIdx oi, uintptr_t retaddr);
53 tcg_target_ulong helper_be_ldsw_mmu(CPUArchState *env, target_ulong addr,
54                                     MemOpIdx oi, uintptr_t retaddr);
55 tcg_target_ulong helper_be_ldsl_mmu(CPUArchState *env, target_ulong addr,
56                                     MemOpIdx oi, uintptr_t retaddr);
57 
58 /*
59  * Value extended to at least uint32_t, so that some ABIs do not require
60  * zero-extension from uint8_t or uint16_t.
61  */
62 void helper_ret_stb_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
63                         MemOpIdx oi, uintptr_t retaddr);
64 void helper_le_stw_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
65                        MemOpIdx oi, uintptr_t retaddr);
66 void helper_le_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
67                        MemOpIdx oi, uintptr_t retaddr);
68 void helper_le_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
69                        MemOpIdx oi, uintptr_t retaddr);
70 void helper_be_stw_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
71                        MemOpIdx oi, uintptr_t retaddr);
72 void helper_be_stl_mmu(CPUArchState *env, target_ulong addr, uint32_t val,
73                        MemOpIdx oi, uintptr_t retaddr);
74 void helper_be_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
75                        MemOpIdx oi, uintptr_t retaddr);
76 
77 #else
78 
79 G_NORETURN void helper_unaligned_ld(CPUArchState *env, target_ulong addr);
80 G_NORETURN void helper_unaligned_st(CPUArchState *env, target_ulong addr);
81 
82 #endif /* CONFIG_SOFTMMU */
83 #endif /* TCG_LDST_H */
84