xref: /openbmc/qemu/target/openrisc/helper.h (revision 9fba702bd4be03f1df156d4d60178c4badc8ff2d)
1 /*
2  * OpenRISC helper defines
3  *
4  * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 /* exception */
21 DEF_HELPER_FLAGS_2(exception, TCG_CALL_NO_WG, void, env, i32)
22 DEF_HELPER_FLAGS_1(ove_cy, TCG_CALL_NO_WG, void, env)
23 DEF_HELPER_FLAGS_1(ove_ov, TCG_CALL_NO_WG, void, env)
24 DEF_HELPER_FLAGS_1(ove_cyov, TCG_CALL_NO_WG, void, env)
25 
26 /* float */
27 DEF_HELPER_FLAGS_2(itofd, TCG_CALL_NO_WG, i64, env, i64)
28 DEF_HELPER_FLAGS_2(itofs, TCG_CALL_NO_WG, i32, env, i32)
29 DEF_HELPER_FLAGS_2(ftoid, TCG_CALL_NO_WG, i64, env, i64)
30 DEF_HELPER_FLAGS_2(ftois, TCG_CALL_NO_WG, i32, env, i32)
31 
32 #define FOP_MADD(op)                                             \
33 DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_WG, i32, env, i32, i32) \
34 DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_WG, i64, env, i64, i64)
35 FOP_MADD(muladd)
36 #undef FOP_MADD
37 
38 #define FOP_CALC(op)                                            \
39 DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_WG, i32, env, i32, i32) \
40 DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_WG, i64, env, i64, i64)
41 FOP_CALC(add)
42 FOP_CALC(sub)
43 FOP_CALC(mul)
44 FOP_CALC(div)
45 FOP_CALC(rem)
46 #undef FOP_CALC
47 
48 #define FOP_CMP(op)                                              \
49 DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_WG, i32, env, i32, i32) \
50 DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_WG, i64, env, i64, i64)
51 FOP_CMP(eq)
52 FOP_CMP(lt)
53 FOP_CMP(le)
54 FOP_CMP(ne)
55 FOP_CMP(gt)
56 FOP_CMP(ge)
57 #undef FOP_CMP
58 
59 /* interrupt */
60 DEF_HELPER_FLAGS_1(rfe, 0, void, env)
61 
62 /* sys */
63 DEF_HELPER_FLAGS_4(mtspr, 0, void, env, tl, tl, tl)
64 DEF_HELPER_FLAGS_4(mfspr, TCG_CALL_NO_WG, tl, env, tl, tl, tl)
65