bellard | c896fe2 | 2008-02-01 10:05:41 +0000 | [diff] [blame] | 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 | */ |
Peter Maydell | d38ea87 | 2016-01-29 17:50:05 +0000 | [diff] [blame] | 24 | #include "qemu/osdep.h" |
Richard Henderson | 696a8be | 2013-02-19 23:51:55 -0800 | [diff] [blame] | 25 | #include "qemu/host-utils.h" |
Richard Henderson | c482cb1 | 2016-06-28 11:37:27 -0700 | [diff] [blame] | 26 | #include "cpu.h" |
Richard Henderson | c213ee2 | 2023-03-31 20:13:36 -0700 | [diff] [blame] | 27 | #include "exec/helper-proto-common.h" |
Richard Henderson | c482cb1 | 2016-06-28 11:37:27 -0700 | [diff] [blame] | 28 | #include "exec/cpu_ldst.h" |
| 29 | #include "exec/exec-all.h" |
Emilio G. Cota | cedbcb0 | 2017-04-26 23:29:14 -0400 | [diff] [blame] | 30 | #include "disas/disas.h" |
| 31 | #include "exec/log.h" |
Philippe Mathieu-Daudé | dcb32f1 | 2020-01-01 12:23:00 +0100 | [diff] [blame] | 32 | #include "tcg/tcg.h" |
bellard | c896fe2 | 2008-02-01 10:05:41 +0000 | [diff] [blame] | 33 | |
Richard Henderson | d53106c | 2023-03-31 10:37:04 -0700 | [diff] [blame] | 34 | #define HELPER_H "accel/tcg/tcg-runtime.h" |
| 35 | #include "exec/helper-info.c.inc" |
| 36 | #undef HELPER_H |
| 37 | |
Aurelien Jarno | 31d6655 | 2010-03-02 23:16:36 +0100 | [diff] [blame] | 38 | /* 32-bit helpers */ |
| 39 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 40 | int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2) |
Aurelien Jarno | 31d6655 | 2010-03-02 23:16:36 +0100 | [diff] [blame] | 41 | { |
| 42 | return arg1 / arg2; |
| 43 | } |
| 44 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 45 | int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2) |
Aurelien Jarno | 31d6655 | 2010-03-02 23:16:36 +0100 | [diff] [blame] | 46 | { |
| 47 | return arg1 % arg2; |
| 48 | } |
| 49 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 50 | uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2) |
Aurelien Jarno | 31d6655 | 2010-03-02 23:16:36 +0100 | [diff] [blame] | 51 | { |
| 52 | return arg1 / arg2; |
| 53 | } |
| 54 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 55 | uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2) |
Aurelien Jarno | 31d6655 | 2010-03-02 23:16:36 +0100 | [diff] [blame] | 56 | { |
| 57 | return arg1 % arg2; |
| 58 | } |
| 59 | |
| 60 | /* 64-bit helpers */ |
| 61 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 62 | uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2) |
bellard | c896fe2 | 2008-02-01 10:05:41 +0000 | [diff] [blame] | 63 | { |
| 64 | return arg1 << arg2; |
| 65 | } |
| 66 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 67 | uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2) |
bellard | c896fe2 | 2008-02-01 10:05:41 +0000 | [diff] [blame] | 68 | { |
| 69 | return arg1 >> arg2; |
| 70 | } |
| 71 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 72 | int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2) |
| 73 | { |
| 74 | return arg1 >> arg2; |
| 75 | } |
| 76 | |
| 77 | int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2) |
bellard | c896fe2 | 2008-02-01 10:05:41 +0000 | [diff] [blame] | 78 | { |
| 79 | return arg1 / arg2; |
| 80 | } |
| 81 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 82 | int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2) |
bellard | c896fe2 | 2008-02-01 10:05:41 +0000 | [diff] [blame] | 83 | { |
balrog | c7b76a0a | 2008-05-06 14:40:28 +0000 | [diff] [blame] | 84 | return arg1 % arg2; |
bellard | c896fe2 | 2008-02-01 10:05:41 +0000 | [diff] [blame] | 85 | } |
| 86 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 87 | uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2) |
bellard | c896fe2 | 2008-02-01 10:05:41 +0000 | [diff] [blame] | 88 | { |
| 89 | return arg1 / arg2; |
| 90 | } |
| 91 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 92 | uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2) |
bellard | c896fe2 | 2008-02-01 10:05:41 +0000 | [diff] [blame] | 93 | { |
balrog | c7b76a0a | 2008-05-06 14:40:28 +0000 | [diff] [blame] | 94 | return arg1 % arg2; |
bellard | c896fe2 | 2008-02-01 10:05:41 +0000 | [diff] [blame] | 95 | } |
Richard Henderson | 696a8be | 2013-02-19 23:51:55 -0800 | [diff] [blame] | 96 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 97 | uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2) |
Richard Henderson | 696a8be | 2013-02-19 23:51:55 -0800 | [diff] [blame] | 98 | { |
| 99 | uint64_t l, h; |
| 100 | mulu64(&l, &h, arg1, arg2); |
| 101 | return h; |
| 102 | } |
| 103 | |
Richard Henderson | 944eea9 | 2014-04-07 23:08:47 -0700 | [diff] [blame] | 104 | int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2) |
Richard Henderson | 696a8be | 2013-02-19 23:51:55 -0800 | [diff] [blame] | 105 | { |
| 106 | uint64_t l, h; |
| 107 | muls64(&l, &h, arg1, arg2); |
| 108 | return h; |
| 109 | } |
Richard Henderson | c482cb1 | 2016-06-28 11:37:27 -0700 | [diff] [blame] | 110 | |
Richard Henderson | 0e28d00 | 2016-11-16 09:23:28 +0100 | [diff] [blame] | 111 | uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val) |
| 112 | { |
| 113 | return arg ? clz32(arg) : zero_val; |
| 114 | } |
| 115 | |
| 116 | uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val) |
| 117 | { |
| 118 | return arg ? ctz32(arg) : zero_val; |
| 119 | } |
| 120 | |
| 121 | uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val) |
| 122 | { |
| 123 | return arg ? clz64(arg) : zero_val; |
| 124 | } |
| 125 | |
| 126 | uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val) |
| 127 | { |
| 128 | return arg ? ctz64(arg) : zero_val; |
| 129 | } |
| 130 | |
Richard Henderson | 086920c | 2016-11-16 17:32:48 +0100 | [diff] [blame] | 131 | uint32_t HELPER(clrsb_i32)(uint32_t arg) |
| 132 | { |
| 133 | return clrsb32(arg); |
| 134 | } |
| 135 | |
| 136 | uint64_t HELPER(clrsb_i64)(uint64_t arg) |
| 137 | { |
| 138 | return clrsb64(arg); |
| 139 | } |
| 140 | |
Richard Henderson | a768e4e | 2016-11-21 11:13:39 +0100 | [diff] [blame] | 141 | uint32_t HELPER(ctpop_i32)(uint32_t arg) |
| 142 | { |
| 143 | return ctpop32(arg); |
| 144 | } |
| 145 | |
| 146 | uint64_t HELPER(ctpop_i64)(uint64_t arg) |
| 147 | { |
| 148 | return ctpop64(arg); |
| 149 | } |
| 150 | |
Richard Henderson | df79b99 | 2016-09-02 12:23:57 -0700 | [diff] [blame] | 151 | void HELPER(exit_atomic)(CPUArchState *env) |
| 152 | { |
Richard Henderson | 29a0af6 | 2019-03-22 16:07:18 -0700 | [diff] [blame] | 153 | cpu_loop_exit_atomic(env_cpu(env), GETPC()); |
Richard Henderson | df79b99 | 2016-09-02 12:23:57 -0700 | [diff] [blame] | 154 | } |