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Commit | Line | Data |
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a7812ae4 | 1 | /* Helper file for declaring TCG helper functions. |
2ef6175a | 2 | Used by other helper files. |
a7812ae4 PB |
3 | |
4 | Targets should use DEF_HELPER_N and DEF_HELPER_FLAGS_N to declare helper | |
5 | functions. Names should be specified without the helper_ prefix, and | |
6 | the return and argument types specified. 3 basic types are understood | |
7 | (i32, i64 and ptr). Additional aliases are provided for convenience and | |
8 | to match the types used by the C helper implementation. | |
9 | ||
10 | The target helper.h should be included in all files that use/define | |
11 | helper functions. THis will ensure that function prototypes are | |
12 | consistent. In addition it should be included an extra two times for | |
13 | helper.c, defining: | |
14 | GEN_HELPER 1 to produce op generation functions (gen_helper_*) | |
15 | GEN_HELPER 2 to do runtime registration helper functions. | |
16 | */ | |
17 | ||
121d0712 MA |
18 | #ifndef EXEC_HELPER_HEAD_H |
19 | #define EXEC_HELPER_HEAD_H | |
944eea96 | 20 | |
0c4d7ddb PMD |
21 | #include "fpu/softfloat-types.h" |
22 | ||
a7812ae4 PB |
23 | #define HELPER(name) glue(helper_, name) |
24 | ||
a7812ae4 PB |
25 | /* Some types that make sense in C, but not for TCG. */ |
26 | #define dh_alias_i32 i32 | |
27 | #define dh_alias_s32 i32 | |
28 | #define dh_alias_int i32 | |
29 | #define dh_alias_i64 i64 | |
30 | #define dh_alias_s64 i64 | |
ecbea3ec | 31 | #define dh_alias_i128 i128 |
35737497 | 32 | #define dh_alias_f16 i32 |
a7812ae4 PB |
33 | #define dh_alias_f32 i32 |
34 | #define dh_alias_f64 i64 | |
a7812ae4 | 35 | #define dh_alias_ptr ptr |
8c6edfdd | 36 | #define dh_alias_cptr ptr |
a7812ae4 | 37 | #define dh_alias_void void |
1367ff49 | 38 | #define dh_alias_noreturn noreturn |
a7812ae4 PB |
39 | #define dh_alias(t) glue(dh_alias_, t) |
40 | ||
41 | #define dh_ctype_i32 uint32_t | |
42 | #define dh_ctype_s32 int32_t | |
43 | #define dh_ctype_int int | |
44 | #define dh_ctype_i64 uint64_t | |
45 | #define dh_ctype_s64 int64_t | |
ecbea3ec | 46 | #define dh_ctype_i128 Int128 |
6c2be133 | 47 | #define dh_ctype_f16 uint32_t |
a7812ae4 PB |
48 | #define dh_ctype_f32 float32 |
49 | #define dh_ctype_f64 float64 | |
a7812ae4 | 50 | #define dh_ctype_ptr void * |
8c6edfdd | 51 | #define dh_ctype_cptr const void * |
a7812ae4 | 52 | #define dh_ctype_void void |
8905770b | 53 | #define dh_ctype_noreturn G_NORETURN void |
a7812ae4 PB |
54 | #define dh_ctype(t) dh_ctype_##t |
55 | ||
bdd90227 PB |
56 | #ifdef NEED_CPU_H |
57 | # ifdef TARGET_LONG_BITS | |
58 | # if TARGET_LONG_BITS == 32 | |
59 | # define dh_alias_tl i32 | |
8929906e | 60 | # define dh_typecode_tl dh_typecode_i32 |
bdd90227 PB |
61 | # else |
62 | # define dh_alias_tl i64 | |
8929906e | 63 | # define dh_typecode_tl dh_typecode_i64 |
bdd90227 PB |
64 | # endif |
65 | # endif | |
bdd90227 | 66 | # define dh_ctype_tl target_ulong |
8929906e | 67 | # define dh_alias_env ptr |
bdd90227 | 68 | # define dh_ctype_env CPUArchState * |
8929906e | 69 | # define dh_typecode_env dh_typecode_ptr |
bdd90227 PB |
70 | #endif |
71 | ||
a7812ae4 PB |
72 | /* We can't use glue() here because it falls foul of C preprocessor |
73 | recursive expansion rules. */ | |
74 | #define dh_retvar_decl0_void void | |
1367ff49 | 75 | #define dh_retvar_decl0_noreturn void |
a7812ae4 PB |
76 | #define dh_retvar_decl0_i32 TCGv_i32 retval |
77 | #define dh_retvar_decl0_i64 TCGv_i64 retval | |
ecbea3ec | 78 | #define dh_retval_decl0_i128 TCGv_i128 retval |
9c9c310a | 79 | #define dh_retvar_decl0_ptr TCGv_ptr retval |
a7812ae4 PB |
80 | #define dh_retvar_decl0(t) glue(dh_retvar_decl0_, dh_alias(t)) |
81 | ||
82 | #define dh_retvar_decl_void | |
1367ff49 | 83 | #define dh_retvar_decl_noreturn |
a7812ae4 PB |
84 | #define dh_retvar_decl_i32 TCGv_i32 retval, |
85 | #define dh_retvar_decl_i64 TCGv_i64 retval, | |
ecbea3ec | 86 | #define dh_retvar_decl_i128 TCGv_i128 retval, |
9c9c310a | 87 | #define dh_retvar_decl_ptr TCGv_ptr retval, |
a7812ae4 PB |
88 | #define dh_retvar_decl(t) glue(dh_retvar_decl_, dh_alias(t)) |
89 | ||
ae8b75dc RH |
90 | #define dh_retvar_void NULL |
91 | #define dh_retvar_noreturn NULL | |
92 | #define dh_retvar_i32 tcgv_i32_temp(retval) | |
93 | #define dh_retvar_i64 tcgv_i64_temp(retval) | |
ecbea3ec | 94 | #define dh_retvar_i128 tcgv_i128_temp(retval) |
ae8b75dc | 95 | #define dh_retvar_ptr tcgv_ptr_temp(retval) |
a7812ae4 PB |
96 | #define dh_retvar(t) glue(dh_retvar_, dh_alias(t)) |
97 | ||
7319d83a RH |
98 | #define dh_typecode_void 0 |
99 | #define dh_typecode_noreturn 0 | |
100 | #define dh_typecode_i32 2 | |
101 | #define dh_typecode_s32 3 | |
102 | #define dh_typecode_i64 4 | |
103 | #define dh_typecode_s64 5 | |
104 | #define dh_typecode_ptr 6 | |
ecbea3ec | 105 | #define dh_typecode_i128 7 |
8929906e RH |
106 | #define dh_typecode_int dh_typecode_s32 |
107 | #define dh_typecode_f16 dh_typecode_i32 | |
108 | #define dh_typecode_f32 dh_typecode_i32 | |
109 | #define dh_typecode_f64 dh_typecode_i64 | |
110 | #define dh_typecode_cptr dh_typecode_ptr | |
111 | #define dh_typecode(t) dh_typecode_##t | |
2bece2c8 | 112 | |
15d74092 | 113 | #define dh_callflag_i32 0 |
15d74092 | 114 | #define dh_callflag_i64 0 |
ecbea3ec | 115 | #define dh_callflag_i128 0 |
15d74092 RH |
116 | #define dh_callflag_ptr 0 |
117 | #define dh_callflag_void 0 | |
118 | #define dh_callflag_noreturn TCG_CALL_NO_RETURN | |
119 | #define dh_callflag(t) glue(dh_callflag_, dh_alias(t)) | |
120 | ||
7319d83a | 121 | #define dh_typemask(t, n) (dh_typecode(t) << (n * 3)) |
2bece2c8 | 122 | |
a7812ae4 | 123 | #define dh_arg(t, n) \ |
ae8b75dc | 124 | glue(glue(tcgv_, dh_alias(t)), _temp)(glue(arg, n)) |
a7812ae4 PB |
125 | |
126 | #define dh_arg_decl(t, n) glue(TCGv_, dh_alias(t)) glue(arg, n) | |
127 | ||
a7812ae4 PB |
128 | #define DEF_HELPER_0(name, ret) \ |
129 | DEF_HELPER_FLAGS_0(name, 0, ret) | |
130 | #define DEF_HELPER_1(name, ret, t1) \ | |
131 | DEF_HELPER_FLAGS_1(name, 0, ret, t1) | |
132 | #define DEF_HELPER_2(name, ret, t1, t2) \ | |
133 | DEF_HELPER_FLAGS_2(name, 0, ret, t1, t2) | |
134 | #define DEF_HELPER_3(name, ret, t1, t2, t3) \ | |
135 | DEF_HELPER_FLAGS_3(name, 0, ret, t1, t2, t3) | |
136 | #define DEF_HELPER_4(name, ret, t1, t2, t3, t4) \ | |
137 | DEF_HELPER_FLAGS_4(name, 0, ret, t1, t2, t3, t4) | |
57d585f7 BS |
138 | #define DEF_HELPER_5(name, ret, t1, t2, t3, t4, t5) \ |
139 | DEF_HELPER_FLAGS_5(name, 0, ret, t1, t2, t3, t4, t5) | |
1df3caa9 RH |
140 | #define DEF_HELPER_6(name, ret, t1, t2, t3, t4, t5, t6) \ |
141 | DEF_HELPER_FLAGS_6(name, 0, ret, t1, t2, t3, t4, t5, t6) | |
e6cadf49 TS |
142 | #define DEF_HELPER_7(name, ret, t1, t2, t3, t4, t5, t6, t7) \ |
143 | DEF_HELPER_FLAGS_7(name, 0, ret, t1, t2, t3, t4, t5, t6, t7) | |
a7812ae4 | 144 | |
39004a71 RH |
145 | /* MAX_CALL_IARGS must be set to n if last entry is DEF_HELPER_FLAGS_n. */ |
146 | ||
121d0712 | 147 | #endif /* EXEC_HELPER_HEAD_H */ |