xref: /openbmc/qemu/target/openrisc/helper.h (revision 429d3ae2)
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_1(update_fpcsr, TCG_CALL_NO_WG, void, env)
28 
29 DEF_HELPER_FLAGS_2(itofd, TCG_CALL_NO_RWG, i64, env, i64)
30 DEF_HELPER_FLAGS_2(itofs, TCG_CALL_NO_RWG, i32, env, i32)
31 DEF_HELPER_FLAGS_2(ftoid, TCG_CALL_NO_RWG, i64, env, i64)
32 DEF_HELPER_FLAGS_2(ftois, TCG_CALL_NO_RWG, i32, env, i32)
33 
34 DEF_HELPER_FLAGS_4(float_madd_s, TCG_CALL_NO_RWG, i32, env, i32, i32, i32)
35 DEF_HELPER_FLAGS_4(float_madd_d, TCG_CALL_NO_RWG, i64, env, i64, i64, i64)
36 
37 #define FOP_CALC(op)                                            \
38 DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_RWG, i32, env, i32, i32) \
39 DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_RWG, i64, env, i64, i64)
40 FOP_CALC(add)
41 FOP_CALC(sub)
42 FOP_CALC(mul)
43 FOP_CALC(div)
44 FOP_CALC(rem)
45 #undef FOP_CALC
46 
47 #define FOP_CMP(op)                                              \
48 DEF_HELPER_FLAGS_3(float_ ## op ## _s, TCG_CALL_NO_RWG, tl, env, i32, i32) \
49 DEF_HELPER_FLAGS_3(float_ ## op ## _d, TCG_CALL_NO_RWG, tl, env, i64, i64)
50 FOP_CMP(eq)
51 FOP_CMP(lt)
52 FOP_CMP(le)
53 #undef FOP_CMP
54 
55 /* interrupt */
56 DEF_HELPER_FLAGS_1(rfe, 0, void, env)
57 
58 /* sys */
59 DEF_HELPER_FLAGS_4(mtspr, 0, void, env, tl, tl, tl)
60 DEF_HELPER_FLAGS_4(mfspr, TCG_CALL_NO_WG, tl, env, tl, tl, tl)
61