root / target-ppc / op_helper.c @ 01feec08
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1 | 9a64fbe4 | bellard | /*
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2 | 3fc6c082 | bellard | * PowerPC emulation helpers for qemu.
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3 | 5fafdf24 | ths | *
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4 | 76a66253 | j_mayer | * Copyright (c) 2003-2007 Jocelyn Mayer
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5 | 9a64fbe4 | bellard | *
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6 | 9a64fbe4 | bellard | * This library is free software; you can redistribute it and/or
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7 | 9a64fbe4 | bellard | * modify it under the terms of the GNU Lesser General Public
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8 | 9a64fbe4 | bellard | * License as published by the Free Software Foundation; either
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9 | 9a64fbe4 | bellard | * version 2 of the License, or (at your option) any later version.
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10 | 9a64fbe4 | bellard | *
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11 | 9a64fbe4 | bellard | * This library is distributed in the hope that it will be useful,
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12 | 9a64fbe4 | bellard | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 9a64fbe4 | bellard | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 9a64fbe4 | bellard | * Lesser General Public License for more details.
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15 | 9a64fbe4 | bellard | *
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16 | 9a64fbe4 | bellard | * You should have received a copy of the GNU Lesser General Public
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17 | 9a64fbe4 | bellard | * License along with this library; if not, write to the Free Software
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18 | 9a64fbe4 | bellard | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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19 | 9a64fbe4 | bellard | */
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20 | 9a64fbe4 | bellard | #include "exec.h" |
21 | 603fccce | j_mayer | #include "host-utils.h" |
22 | a7812ae4 | pbrook | #include "helper.h" |
23 | 9a64fbe4 | bellard | |
24 | 0411a972 | j_mayer | #include "helper_regs.h" |
25 | 0487d6a8 | j_mayer | |
26 | fdabc366 | bellard | //#define DEBUG_OP
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27 | fdabc366 | bellard | //#define DEBUG_EXCEPTIONS
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28 | 76a66253 | j_mayer | //#define DEBUG_SOFTWARE_TLB
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29 | fdabc366 | bellard | |
30 | 9a64fbe4 | bellard | /*****************************************************************************/
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31 | 9a64fbe4 | bellard | /* Exceptions processing helpers */
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32 | 9a64fbe4 | bellard | |
33 | 64adab3f | aurel32 | void helper_raise_exception_err (uint32_t exception, uint32_t error_code)
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34 | 9a64fbe4 | bellard | { |
35 | e06fcd75 | aurel32 | #if 0
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36 | e06fcd75 | aurel32 | printf("Raise exception %3x code : %d\n", exception, error_code);
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37 | e06fcd75 | aurel32 | #endif
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38 | e06fcd75 | aurel32 | env->exception_index = exception; |
39 | e06fcd75 | aurel32 | env->error_code = error_code; |
40 | e06fcd75 | aurel32 | cpu_loop_exit(); |
41 | 76a66253 | j_mayer | } |
42 | 9fddaa0c | bellard | |
43 | e06fcd75 | aurel32 | void helper_raise_exception (uint32_t exception)
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44 | 9fddaa0c | bellard | { |
45 | e06fcd75 | aurel32 | helper_raise_exception_err(exception, 0);
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46 | 9a64fbe4 | bellard | } |
47 | 9a64fbe4 | bellard | |
48 | 9a64fbe4 | bellard | /*****************************************************************************/
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49 | 76a66253 | j_mayer | /* Registers load and stores */
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50 | a7812ae4 | pbrook | target_ulong helper_load_cr (void)
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51 | 76a66253 | j_mayer | { |
52 | e1571908 | aurel32 | return (env->crf[0] << 28) | |
53 | e1571908 | aurel32 | (env->crf[1] << 24) | |
54 | e1571908 | aurel32 | (env->crf[2] << 20) | |
55 | e1571908 | aurel32 | (env->crf[3] << 16) | |
56 | e1571908 | aurel32 | (env->crf[4] << 12) | |
57 | e1571908 | aurel32 | (env->crf[5] << 8) | |
58 | e1571908 | aurel32 | (env->crf[6] << 4) | |
59 | e1571908 | aurel32 | (env->crf[7] << 0); |
60 | 76a66253 | j_mayer | } |
61 | 76a66253 | j_mayer | |
62 | e1571908 | aurel32 | void helper_store_cr (target_ulong val, uint32_t mask)
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63 | 76a66253 | j_mayer | { |
64 | 76a66253 | j_mayer | int i, sh;
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65 | 76a66253 | j_mayer | |
66 | 36081602 | j_mayer | for (i = 0, sh = 7; i < 8; i++, sh--) { |
67 | 76a66253 | j_mayer | if (mask & (1 << sh)) |
68 | e1571908 | aurel32 | env->crf[i] = (val >> (sh * 4)) & 0xFUL; |
69 | 76a66253 | j_mayer | } |
70 | 76a66253 | j_mayer | } |
71 | 76a66253 | j_mayer | |
72 | 45d827d2 | aurel32 | /*****************************************************************************/
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73 | 45d827d2 | aurel32 | /* SPR accesses */
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74 | 45d827d2 | aurel32 | void helper_load_dump_spr (uint32_t sprn)
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75 | a496775f | j_mayer | { |
76 | 6b80055d | j_mayer | if (loglevel != 0) { |
77 | a496775f | j_mayer | fprintf(logfile, "Read SPR %d %03x => " ADDRX "\n", |
78 | a496775f | j_mayer | sprn, sprn, env->spr[sprn]); |
79 | a496775f | j_mayer | } |
80 | a496775f | j_mayer | } |
81 | a496775f | j_mayer | |
82 | 45d827d2 | aurel32 | void helper_store_dump_spr (uint32_t sprn)
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83 | a496775f | j_mayer | { |
84 | 6b80055d | j_mayer | if (loglevel != 0) { |
85 | 45d827d2 | aurel32 | fprintf(logfile, "Write SPR %d %03x <= " ADDRX "\n", |
86 | 45d827d2 | aurel32 | sprn, sprn, env->spr[sprn]); |
87 | 45d827d2 | aurel32 | } |
88 | 45d827d2 | aurel32 | } |
89 | 45d827d2 | aurel32 | |
90 | 45d827d2 | aurel32 | target_ulong helper_load_tbl (void)
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91 | 45d827d2 | aurel32 | { |
92 | 45d827d2 | aurel32 | return cpu_ppc_load_tbl(env);
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93 | 45d827d2 | aurel32 | } |
94 | 45d827d2 | aurel32 | |
95 | 45d827d2 | aurel32 | target_ulong helper_load_tbu (void)
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96 | 45d827d2 | aurel32 | { |
97 | 45d827d2 | aurel32 | return cpu_ppc_load_tbu(env);
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98 | 45d827d2 | aurel32 | } |
99 | 45d827d2 | aurel32 | |
100 | 45d827d2 | aurel32 | target_ulong helper_load_atbl (void)
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101 | 45d827d2 | aurel32 | { |
102 | 45d827d2 | aurel32 | return cpu_ppc_load_atbl(env);
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103 | 45d827d2 | aurel32 | } |
104 | 45d827d2 | aurel32 | |
105 | 45d827d2 | aurel32 | target_ulong helper_load_atbu (void)
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106 | 45d827d2 | aurel32 | { |
107 | 45d827d2 | aurel32 | return cpu_ppc_load_atbu(env);
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108 | 45d827d2 | aurel32 | } |
109 | 45d827d2 | aurel32 | |
110 | 45d827d2 | aurel32 | target_ulong helper_load_601_rtcl (void)
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111 | 45d827d2 | aurel32 | { |
112 | 45d827d2 | aurel32 | return cpu_ppc601_load_rtcl(env);
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113 | 45d827d2 | aurel32 | } |
114 | 45d827d2 | aurel32 | |
115 | 45d827d2 | aurel32 | target_ulong helper_load_601_rtcu (void)
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116 | 45d827d2 | aurel32 | { |
117 | 45d827d2 | aurel32 | return cpu_ppc601_load_rtcu(env);
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118 | 45d827d2 | aurel32 | } |
119 | 45d827d2 | aurel32 | |
120 | 45d827d2 | aurel32 | #if !defined(CONFIG_USER_ONLY)
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121 | 45d827d2 | aurel32 | #if defined (TARGET_PPC64)
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122 | 45d827d2 | aurel32 | void helper_store_asr (target_ulong val)
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123 | 45d827d2 | aurel32 | { |
124 | 45d827d2 | aurel32 | ppc_store_asr(env, val); |
125 | 45d827d2 | aurel32 | } |
126 | 45d827d2 | aurel32 | #endif
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127 | 45d827d2 | aurel32 | |
128 | 45d827d2 | aurel32 | void helper_store_sdr1 (target_ulong val)
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129 | 45d827d2 | aurel32 | { |
130 | 45d827d2 | aurel32 | ppc_store_sdr1(env, val); |
131 | 45d827d2 | aurel32 | } |
132 | 45d827d2 | aurel32 | |
133 | 45d827d2 | aurel32 | void helper_store_tbl (target_ulong val)
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134 | 45d827d2 | aurel32 | { |
135 | 45d827d2 | aurel32 | cpu_ppc_store_tbl(env, val); |
136 | 45d827d2 | aurel32 | } |
137 | 45d827d2 | aurel32 | |
138 | 45d827d2 | aurel32 | void helper_store_tbu (target_ulong val)
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139 | 45d827d2 | aurel32 | { |
140 | 45d827d2 | aurel32 | cpu_ppc_store_tbu(env, val); |
141 | 45d827d2 | aurel32 | } |
142 | 45d827d2 | aurel32 | |
143 | 45d827d2 | aurel32 | void helper_store_atbl (target_ulong val)
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144 | 45d827d2 | aurel32 | { |
145 | 45d827d2 | aurel32 | cpu_ppc_store_atbl(env, val); |
146 | 45d827d2 | aurel32 | } |
147 | 45d827d2 | aurel32 | |
148 | 45d827d2 | aurel32 | void helper_store_atbu (target_ulong val)
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149 | 45d827d2 | aurel32 | { |
150 | 45d827d2 | aurel32 | cpu_ppc_store_atbu(env, val); |
151 | 45d827d2 | aurel32 | } |
152 | 45d827d2 | aurel32 | |
153 | 45d827d2 | aurel32 | void helper_store_601_rtcl (target_ulong val)
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154 | 45d827d2 | aurel32 | { |
155 | 45d827d2 | aurel32 | cpu_ppc601_store_rtcl(env, val); |
156 | 45d827d2 | aurel32 | } |
157 | 45d827d2 | aurel32 | |
158 | 45d827d2 | aurel32 | void helper_store_601_rtcu (target_ulong val)
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159 | 45d827d2 | aurel32 | { |
160 | 45d827d2 | aurel32 | cpu_ppc601_store_rtcu(env, val); |
161 | 45d827d2 | aurel32 | } |
162 | 45d827d2 | aurel32 | |
163 | 45d827d2 | aurel32 | target_ulong helper_load_decr (void)
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164 | 45d827d2 | aurel32 | { |
165 | 45d827d2 | aurel32 | return cpu_ppc_load_decr(env);
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166 | 45d827d2 | aurel32 | } |
167 | 45d827d2 | aurel32 | |
168 | 45d827d2 | aurel32 | void helper_store_decr (target_ulong val)
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169 | 45d827d2 | aurel32 | { |
170 | 45d827d2 | aurel32 | cpu_ppc_store_decr(env, val); |
171 | 45d827d2 | aurel32 | } |
172 | 45d827d2 | aurel32 | |
173 | 45d827d2 | aurel32 | void helper_store_hid0_601 (target_ulong val)
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174 | 45d827d2 | aurel32 | { |
175 | 45d827d2 | aurel32 | target_ulong hid0; |
176 | 45d827d2 | aurel32 | |
177 | 45d827d2 | aurel32 | hid0 = env->spr[SPR_HID0]; |
178 | 45d827d2 | aurel32 | if ((val ^ hid0) & 0x00000008) { |
179 | 45d827d2 | aurel32 | /* Change current endianness */
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180 | 45d827d2 | aurel32 | env->hflags &= ~(1 << MSR_LE);
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181 | 45d827d2 | aurel32 | env->hflags_nmsr &= ~(1 << MSR_LE);
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182 | 45d827d2 | aurel32 | env->hflags_nmsr |= (1 << MSR_LE) & (((val >> 3) & 1) << MSR_LE); |
183 | 45d827d2 | aurel32 | env->hflags |= env->hflags_nmsr; |
184 | 45d827d2 | aurel32 | if (loglevel != 0) { |
185 | 45d827d2 | aurel32 | fprintf(logfile, "%s: set endianness to %c => " ADDRX "\n", |
186 | 45d827d2 | aurel32 | __func__, val & 0x8 ? 'l' : 'b', env->hflags); |
187 | 45d827d2 | aurel32 | } |
188 | a496775f | j_mayer | } |
189 | 45d827d2 | aurel32 | env->spr[SPR_HID0] = (uint32_t)val; |
190 | a496775f | j_mayer | } |
191 | a496775f | j_mayer | |
192 | 45d827d2 | aurel32 | void helper_store_403_pbr (uint32_t num, target_ulong value)
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193 | 45d827d2 | aurel32 | { |
194 | 45d827d2 | aurel32 | if (likely(env->pb[num] != value)) {
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195 | 45d827d2 | aurel32 | env->pb[num] = value; |
196 | 45d827d2 | aurel32 | /* Should be optimized */
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197 | 45d827d2 | aurel32 | tlb_flush(env, 1);
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198 | 45d827d2 | aurel32 | } |
199 | 45d827d2 | aurel32 | } |
200 | 45d827d2 | aurel32 | |
201 | 45d827d2 | aurel32 | target_ulong helper_load_40x_pit (void)
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202 | 45d827d2 | aurel32 | { |
203 | 45d827d2 | aurel32 | return load_40x_pit(env);
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204 | 45d827d2 | aurel32 | } |
205 | 45d827d2 | aurel32 | |
206 | 45d827d2 | aurel32 | void helper_store_40x_pit (target_ulong val)
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207 | 45d827d2 | aurel32 | { |
208 | 45d827d2 | aurel32 | store_40x_pit(env, val); |
209 | 45d827d2 | aurel32 | } |
210 | 45d827d2 | aurel32 | |
211 | 45d827d2 | aurel32 | void helper_store_40x_dbcr0 (target_ulong val)
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212 | 45d827d2 | aurel32 | { |
213 | 45d827d2 | aurel32 | store_40x_dbcr0(env, val); |
214 | 45d827d2 | aurel32 | } |
215 | 45d827d2 | aurel32 | |
216 | 45d827d2 | aurel32 | void helper_store_40x_sler (target_ulong val)
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217 | 45d827d2 | aurel32 | { |
218 | 45d827d2 | aurel32 | store_40x_sler(env, val); |
219 | 45d827d2 | aurel32 | } |
220 | 45d827d2 | aurel32 | |
221 | 45d827d2 | aurel32 | void helper_store_booke_tcr (target_ulong val)
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222 | 45d827d2 | aurel32 | { |
223 | 45d827d2 | aurel32 | store_booke_tcr(env, val); |
224 | 45d827d2 | aurel32 | } |
225 | 45d827d2 | aurel32 | |
226 | 45d827d2 | aurel32 | void helper_store_booke_tsr (target_ulong val)
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227 | 45d827d2 | aurel32 | { |
228 | 45d827d2 | aurel32 | store_booke_tsr(env, val); |
229 | 45d827d2 | aurel32 | } |
230 | 45d827d2 | aurel32 | |
231 | 45d827d2 | aurel32 | void helper_store_ibatu (uint32_t nr, target_ulong val)
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232 | 45d827d2 | aurel32 | { |
233 | 45d827d2 | aurel32 | ppc_store_ibatu(env, nr, val); |
234 | 45d827d2 | aurel32 | } |
235 | 45d827d2 | aurel32 | |
236 | 45d827d2 | aurel32 | void helper_store_ibatl (uint32_t nr, target_ulong val)
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237 | 45d827d2 | aurel32 | { |
238 | 45d827d2 | aurel32 | ppc_store_ibatl(env, nr, val); |
239 | 45d827d2 | aurel32 | } |
240 | 45d827d2 | aurel32 | |
241 | 45d827d2 | aurel32 | void helper_store_dbatu (uint32_t nr, target_ulong val)
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242 | 45d827d2 | aurel32 | { |
243 | 45d827d2 | aurel32 | ppc_store_dbatu(env, nr, val); |
244 | 45d827d2 | aurel32 | } |
245 | 45d827d2 | aurel32 | |
246 | 45d827d2 | aurel32 | void helper_store_dbatl (uint32_t nr, target_ulong val)
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247 | 45d827d2 | aurel32 | { |
248 | 45d827d2 | aurel32 | ppc_store_dbatl(env, nr, val); |
249 | 45d827d2 | aurel32 | } |
250 | 45d827d2 | aurel32 | |
251 | 45d827d2 | aurel32 | void helper_store_601_batl (uint32_t nr, target_ulong val)
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252 | 45d827d2 | aurel32 | { |
253 | 45d827d2 | aurel32 | ppc_store_ibatl_601(env, nr, val); |
254 | 45d827d2 | aurel32 | } |
255 | 45d827d2 | aurel32 | |
256 | 45d827d2 | aurel32 | void helper_store_601_batu (uint32_t nr, target_ulong val)
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257 | 45d827d2 | aurel32 | { |
258 | 45d827d2 | aurel32 | ppc_store_ibatu_601(env, nr, val); |
259 | 45d827d2 | aurel32 | } |
260 | 45d827d2 | aurel32 | #endif
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261 | 45d827d2 | aurel32 | |
262 | 76a66253 | j_mayer | /*****************************************************************************/
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263 | ff4a62cd | aurel32 | /* Memory load and stores */
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264 | ff4a62cd | aurel32 | |
265 | 76db3ba4 | aurel32 | static always_inline target_ulong addr_add(target_ulong addr, target_long arg)
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266 | ff4a62cd | aurel32 | { |
267 | ff4a62cd | aurel32 | #if defined(TARGET_PPC64)
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268 | 76db3ba4 | aurel32 | if (!msr_sf)
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269 | 76db3ba4 | aurel32 | return (uint32_t)(addr + arg);
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270 | ff4a62cd | aurel32 | else
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271 | ff4a62cd | aurel32 | #endif
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272 | 76db3ba4 | aurel32 | return addr + arg;
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273 | ff4a62cd | aurel32 | } |
274 | ff4a62cd | aurel32 | |
275 | ff4a62cd | aurel32 | void helper_lmw (target_ulong addr, uint32_t reg)
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276 | ff4a62cd | aurel32 | { |
277 | 76db3ba4 | aurel32 | for (; reg < 32; reg++) { |
278 | ff4a62cd | aurel32 | if (msr_le)
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279 | 76db3ba4 | aurel32 | env->gpr[reg] = bswap32(ldl(addr)); |
280 | ff4a62cd | aurel32 | else
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281 | 76db3ba4 | aurel32 | env->gpr[reg] = ldl(addr); |
282 | 76db3ba4 | aurel32 | addr = addr_add(addr, 4);
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283 | ff4a62cd | aurel32 | } |
284 | ff4a62cd | aurel32 | } |
285 | ff4a62cd | aurel32 | |
286 | ff4a62cd | aurel32 | void helper_stmw (target_ulong addr, uint32_t reg)
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287 | ff4a62cd | aurel32 | { |
288 | 76db3ba4 | aurel32 | for (; reg < 32; reg++) { |
289 | ff4a62cd | aurel32 | if (msr_le)
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290 | 76db3ba4 | aurel32 | stl(addr, bswap32((uint32_t)env->gpr[reg])); |
291 | ff4a62cd | aurel32 | else
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292 | 76db3ba4 | aurel32 | stl(addr, (uint32_t)env->gpr[reg]); |
293 | 76db3ba4 | aurel32 | addr = addr_add(addr, 4);
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294 | ff4a62cd | aurel32 | } |
295 | ff4a62cd | aurel32 | } |
296 | ff4a62cd | aurel32 | |
297 | dfbc799d | aurel32 | void helper_lsw(target_ulong addr, uint32_t nb, uint32_t reg)
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298 | dfbc799d | aurel32 | { |
299 | dfbc799d | aurel32 | int sh;
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300 | 76db3ba4 | aurel32 | for (; nb > 3; nb -= 4) { |
301 | 76db3ba4 | aurel32 | env->gpr[reg] = ldl(addr); |
302 | dfbc799d | aurel32 | reg = (reg + 1) % 32; |
303 | 76db3ba4 | aurel32 | addr = addr_add(addr, 4);
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304 | dfbc799d | aurel32 | } |
305 | dfbc799d | aurel32 | if (unlikely(nb > 0)) { |
306 | dfbc799d | aurel32 | env->gpr[reg] = 0;
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307 | 76db3ba4 | aurel32 | for (sh = 24; nb > 0; nb--, sh -= 8) { |
308 | 76db3ba4 | aurel32 | env->gpr[reg] |= ldub(addr) << sh; |
309 | 76db3ba4 | aurel32 | addr = addr_add(addr, 1);
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310 | dfbc799d | aurel32 | } |
311 | dfbc799d | aurel32 | } |
312 | dfbc799d | aurel32 | } |
313 | dfbc799d | aurel32 | /* PPC32 specification says we must generate an exception if
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314 | dfbc799d | aurel32 | * rA is in the range of registers to be loaded.
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315 | dfbc799d | aurel32 | * In an other hand, IBM says this is valid, but rA won't be loaded.
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316 | dfbc799d | aurel32 | * For now, I'll follow the spec...
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317 | dfbc799d | aurel32 | */
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318 | dfbc799d | aurel32 | void helper_lswx(target_ulong addr, uint32_t reg, uint32_t ra, uint32_t rb)
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319 | dfbc799d | aurel32 | { |
320 | dfbc799d | aurel32 | if (likely(xer_bc != 0)) { |
321 | dfbc799d | aurel32 | if (unlikely((ra != 0 && reg < ra && (reg + xer_bc) > ra) || |
322 | dfbc799d | aurel32 | (reg < rb && (reg + xer_bc) > rb))) { |
323 | e06fcd75 | aurel32 | helper_raise_exception_err(POWERPC_EXCP_PROGRAM, |
324 | e06fcd75 | aurel32 | POWERPC_EXCP_INVAL | |
325 | e06fcd75 | aurel32 | POWERPC_EXCP_INVAL_LSWX); |
326 | dfbc799d | aurel32 | } else {
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327 | dfbc799d | aurel32 | helper_lsw(addr, xer_bc, reg); |
328 | dfbc799d | aurel32 | } |
329 | dfbc799d | aurel32 | } |
330 | dfbc799d | aurel32 | } |
331 | dfbc799d | aurel32 | |
332 | dfbc799d | aurel32 | void helper_stsw(target_ulong addr, uint32_t nb, uint32_t reg)
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333 | dfbc799d | aurel32 | { |
334 | dfbc799d | aurel32 | int sh;
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335 | 76db3ba4 | aurel32 | for (; nb > 3; nb -= 4) { |
336 | 76db3ba4 | aurel32 | stl(addr, env->gpr[reg]); |
337 | dfbc799d | aurel32 | reg = (reg + 1) % 32; |
338 | 76db3ba4 | aurel32 | addr = addr_add(addr, 4);
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339 | dfbc799d | aurel32 | } |
340 | dfbc799d | aurel32 | if (unlikely(nb > 0)) { |
341 | 76db3ba4 | aurel32 | for (sh = 24; nb > 0; nb--, sh -= 8) |
342 | 76db3ba4 | aurel32 | stb(addr, (env->gpr[reg] >> sh) & 0xFF);
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343 | 76db3ba4 | aurel32 | addr = addr_add(addr, 1);
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344 | dfbc799d | aurel32 | } |
345 | dfbc799d | aurel32 | } |
346 | dfbc799d | aurel32 | |
347 | 799a8c8d | aurel32 | static void do_dcbz(target_ulong addr, int dcache_line_size) |
348 | 799a8c8d | aurel32 | { |
349 | 76db3ba4 | aurel32 | addr &= ~(dcache_line_size - 1);
|
350 | 799a8c8d | aurel32 | int i;
|
351 | 799a8c8d | aurel32 | for (i = 0 ; i < dcache_line_size ; i += 4) { |
352 | dcc532c8 | aurel32 | stl(addr + i , 0);
|
353 | 799a8c8d | aurel32 | } |
354 | 76db3ba4 | aurel32 | if (env->reserve == addr)
|
355 | 799a8c8d | aurel32 | env->reserve = (target_ulong)-1ULL;
|
356 | 799a8c8d | aurel32 | } |
357 | 799a8c8d | aurel32 | |
358 | 799a8c8d | aurel32 | void helper_dcbz(target_ulong addr)
|
359 | 799a8c8d | aurel32 | { |
360 | 799a8c8d | aurel32 | do_dcbz(addr, env->dcache_line_size); |
361 | 799a8c8d | aurel32 | } |
362 | 799a8c8d | aurel32 | |
363 | 799a8c8d | aurel32 | void helper_dcbz_970(target_ulong addr)
|
364 | 799a8c8d | aurel32 | { |
365 | 799a8c8d | aurel32 | if (((env->spr[SPR_970_HID5] >> 7) & 0x3) == 1) |
366 | 799a8c8d | aurel32 | do_dcbz(addr, 32);
|
367 | 799a8c8d | aurel32 | else
|
368 | 799a8c8d | aurel32 | do_dcbz(addr, env->dcache_line_size); |
369 | 799a8c8d | aurel32 | } |
370 | 799a8c8d | aurel32 | |
371 | 37d269df | aurel32 | void helper_icbi(target_ulong addr)
|
372 | 37d269df | aurel32 | { |
373 | 37d269df | aurel32 | uint32_t tmp; |
374 | 37d269df | aurel32 | |
375 | 76db3ba4 | aurel32 | addr &= ~(env->dcache_line_size - 1);
|
376 | 37d269df | aurel32 | /* Invalidate one cache line :
|
377 | 37d269df | aurel32 | * PowerPC specification says this is to be treated like a load
|
378 | 37d269df | aurel32 | * (not a fetch) by the MMU. To be sure it will be so,
|
379 | 37d269df | aurel32 | * do the load "by hand".
|
380 | 37d269df | aurel32 | */
|
381 | dcc532c8 | aurel32 | tmp = ldl(addr); |
382 | 37d269df | aurel32 | tb_invalidate_page_range(addr, addr + env->icache_line_size); |
383 | 37d269df | aurel32 | } |
384 | 37d269df | aurel32 | |
385 | bdb4b689 | aurel32 | // XXX: to be tested
|
386 | bdb4b689 | aurel32 | target_ulong helper_lscbx (target_ulong addr, uint32_t reg, uint32_t ra, uint32_t rb) |
387 | bdb4b689 | aurel32 | { |
388 | bdb4b689 | aurel32 | int i, c, d;
|
389 | bdb4b689 | aurel32 | d = 24;
|
390 | bdb4b689 | aurel32 | for (i = 0; i < xer_bc; i++) { |
391 | 76db3ba4 | aurel32 | c = ldub(addr); |
392 | 76db3ba4 | aurel32 | addr = addr_add(addr, 1);
|
393 | bdb4b689 | aurel32 | /* ra (if not 0) and rb are never modified */
|
394 | bdb4b689 | aurel32 | if (likely(reg != rb && (ra == 0 || reg != ra))) { |
395 | bdb4b689 | aurel32 | env->gpr[reg] = (env->gpr[reg] & ~(0xFF << d)) | (c << d);
|
396 | bdb4b689 | aurel32 | } |
397 | bdb4b689 | aurel32 | if (unlikely(c == xer_cmp))
|
398 | bdb4b689 | aurel32 | break;
|
399 | bdb4b689 | aurel32 | if (likely(d != 0)) { |
400 | bdb4b689 | aurel32 | d -= 8;
|
401 | bdb4b689 | aurel32 | } else {
|
402 | bdb4b689 | aurel32 | d = 24;
|
403 | bdb4b689 | aurel32 | reg++; |
404 | bdb4b689 | aurel32 | reg = reg & 0x1F;
|
405 | bdb4b689 | aurel32 | } |
406 | bdb4b689 | aurel32 | } |
407 | bdb4b689 | aurel32 | return i;
|
408 | bdb4b689 | aurel32 | } |
409 | bdb4b689 | aurel32 | |
410 | ff4a62cd | aurel32 | /*****************************************************************************/
|
411 | fdabc366 | bellard | /* Fixed point operations helpers */
|
412 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
413 | d9bce9d9 | j_mayer | |
414 | 74637406 | aurel32 | /* multiply high word */
|
415 | 74637406 | aurel32 | uint64_t helper_mulhd (uint64_t arg1, uint64_t arg2) |
416 | fdabc366 | bellard | { |
417 | 74637406 | aurel32 | uint64_t tl, th; |
418 | fdabc366 | bellard | |
419 | 74637406 | aurel32 | muls64(&tl, &th, arg1, arg2); |
420 | 74637406 | aurel32 | return th;
|
421 | d9bce9d9 | j_mayer | } |
422 | d9bce9d9 | j_mayer | |
423 | 74637406 | aurel32 | /* multiply high word unsigned */
|
424 | 74637406 | aurel32 | uint64_t helper_mulhdu (uint64_t arg1, uint64_t arg2) |
425 | fdabc366 | bellard | { |
426 | 74637406 | aurel32 | uint64_t tl, th; |
427 | fdabc366 | bellard | |
428 | 74637406 | aurel32 | mulu64(&tl, &th, arg1, arg2); |
429 | 74637406 | aurel32 | return th;
|
430 | fdabc366 | bellard | } |
431 | fdabc366 | bellard | |
432 | 74637406 | aurel32 | uint64_t helper_mulldo (uint64_t arg1, uint64_t arg2) |
433 | fdabc366 | bellard | { |
434 | d9bce9d9 | j_mayer | int64_t th; |
435 | d9bce9d9 | j_mayer | uint64_t tl; |
436 | d9bce9d9 | j_mayer | |
437 | 74637406 | aurel32 | muls64(&tl, (uint64_t *)&th, arg1, arg2); |
438 | 88ad920b | j_mayer | /* If th != 0 && th != -1, then we had an overflow */
|
439 | 6f2d8978 | j_mayer | if (likely((uint64_t)(th + 1) <= 1)) { |
440 | 3d7b417e | aurel32 | env->xer &= ~(1 << XER_OV);
|
441 | fdabc366 | bellard | } else {
|
442 | 3d7b417e | aurel32 | env->xer |= (1 << XER_OV) | (1 << XER_SO); |
443 | fdabc366 | bellard | } |
444 | 74637406 | aurel32 | return (int64_t)tl;
|
445 | d9bce9d9 | j_mayer | } |
446 | d9bce9d9 | j_mayer | #endif
|
447 | d9bce9d9 | j_mayer | |
448 | 26d67362 | aurel32 | target_ulong helper_cntlzw (target_ulong t) |
449 | 603fccce | j_mayer | { |
450 | 26d67362 | aurel32 | return clz32(t);
|
451 | 603fccce | j_mayer | } |
452 | 603fccce | j_mayer | |
453 | 603fccce | j_mayer | #if defined(TARGET_PPC64)
|
454 | 26d67362 | aurel32 | target_ulong helper_cntlzd (target_ulong t) |
455 | 603fccce | j_mayer | { |
456 | 26d67362 | aurel32 | return clz64(t);
|
457 | 603fccce | j_mayer | } |
458 | 603fccce | j_mayer | #endif
|
459 | 603fccce | j_mayer | |
460 | 9a64fbe4 | bellard | /* shift right arithmetic helper */
|
461 | 26d67362 | aurel32 | target_ulong helper_sraw (target_ulong value, target_ulong shift) |
462 | 9a64fbe4 | bellard | { |
463 | 9a64fbe4 | bellard | int32_t ret; |
464 | 9a64fbe4 | bellard | |
465 | 26d67362 | aurel32 | if (likely(!(shift & 0x20))) { |
466 | 26d67362 | aurel32 | if (likely((uint32_t)shift != 0)) { |
467 | 26d67362 | aurel32 | shift &= 0x1f;
|
468 | 26d67362 | aurel32 | ret = (int32_t)value >> shift; |
469 | 26d67362 | aurel32 | if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { |
470 | 3d7b417e | aurel32 | env->xer &= ~(1 << XER_CA);
|
471 | fdabc366 | bellard | } else {
|
472 | 3d7b417e | aurel32 | env->xer |= (1 << XER_CA);
|
473 | fdabc366 | bellard | } |
474 | fdabc366 | bellard | } else {
|
475 | 26d67362 | aurel32 | ret = (int32_t)value; |
476 | 3d7b417e | aurel32 | env->xer &= ~(1 << XER_CA);
|
477 | fdabc366 | bellard | } |
478 | fdabc366 | bellard | } else {
|
479 | 26d67362 | aurel32 | ret = (int32_t)value >> 31;
|
480 | 26d67362 | aurel32 | if (ret) {
|
481 | 3d7b417e | aurel32 | env->xer |= (1 << XER_CA);
|
482 | 26d67362 | aurel32 | } else {
|
483 | 26d67362 | aurel32 | env->xer &= ~(1 << XER_CA);
|
484 | 76a66253 | j_mayer | } |
485 | fdabc366 | bellard | } |
486 | 26d67362 | aurel32 | return (target_long)ret;
|
487 | 9a64fbe4 | bellard | } |
488 | 9a64fbe4 | bellard | |
489 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
490 | 26d67362 | aurel32 | target_ulong helper_srad (target_ulong value, target_ulong shift) |
491 | d9bce9d9 | j_mayer | { |
492 | d9bce9d9 | j_mayer | int64_t ret; |
493 | d9bce9d9 | j_mayer | |
494 | 26d67362 | aurel32 | if (likely(!(shift & 0x40))) { |
495 | 26d67362 | aurel32 | if (likely((uint64_t)shift != 0)) { |
496 | 26d67362 | aurel32 | shift &= 0x3f;
|
497 | 26d67362 | aurel32 | ret = (int64_t)value >> shift; |
498 | 26d67362 | aurel32 | if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { |
499 | 3d7b417e | aurel32 | env->xer &= ~(1 << XER_CA);
|
500 | d9bce9d9 | j_mayer | } else {
|
501 | 3d7b417e | aurel32 | env->xer |= (1 << XER_CA);
|
502 | d9bce9d9 | j_mayer | } |
503 | d9bce9d9 | j_mayer | } else {
|
504 | 26d67362 | aurel32 | ret = (int64_t)value; |
505 | 3d7b417e | aurel32 | env->xer &= ~(1 << XER_CA);
|
506 | d9bce9d9 | j_mayer | } |
507 | d9bce9d9 | j_mayer | } else {
|
508 | 26d67362 | aurel32 | ret = (int64_t)value >> 63;
|
509 | 26d67362 | aurel32 | if (ret) {
|
510 | 3d7b417e | aurel32 | env->xer |= (1 << XER_CA);
|
511 | 26d67362 | aurel32 | } else {
|
512 | 26d67362 | aurel32 | env->xer &= ~(1 << XER_CA);
|
513 | d9bce9d9 | j_mayer | } |
514 | d9bce9d9 | j_mayer | } |
515 | 26d67362 | aurel32 | return ret;
|
516 | d9bce9d9 | j_mayer | } |
517 | d9bce9d9 | j_mayer | #endif
|
518 | d9bce9d9 | j_mayer | |
519 | 26d67362 | aurel32 | target_ulong helper_popcntb (target_ulong val) |
520 | d9bce9d9 | j_mayer | { |
521 | 6176a26d | aurel32 | val = (val & 0x55555555) + ((val >> 1) & 0x55555555); |
522 | 6176a26d | aurel32 | val = (val & 0x33333333) + ((val >> 2) & 0x33333333); |
523 | 6176a26d | aurel32 | val = (val & 0x0f0f0f0f) + ((val >> 4) & 0x0f0f0f0f); |
524 | 6176a26d | aurel32 | return val;
|
525 | d9bce9d9 | j_mayer | } |
526 | d9bce9d9 | j_mayer | |
527 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
528 | 26d67362 | aurel32 | target_ulong helper_popcntb_64 (target_ulong val) |
529 | d9bce9d9 | j_mayer | { |
530 | 6176a26d | aurel32 | val = (val & 0x5555555555555555ULL) + ((val >> 1) & 0x5555555555555555ULL); |
531 | 6176a26d | aurel32 | val = (val & 0x3333333333333333ULL) + ((val >> 2) & 0x3333333333333333ULL); |
532 | 6176a26d | aurel32 | val = (val & 0x0f0f0f0f0f0f0f0fULL) + ((val >> 4) & 0x0f0f0f0f0f0f0f0fULL); |
533 | 6176a26d | aurel32 | return val;
|
534 | d9bce9d9 | j_mayer | } |
535 | d9bce9d9 | j_mayer | #endif
|
536 | d9bce9d9 | j_mayer | |
537 | fdabc366 | bellard | /*****************************************************************************/
|
538 | 9a64fbe4 | bellard | /* Floating point operations helpers */
|
539 | a0d7d5a7 | aurel32 | uint64_t helper_float32_to_float64(uint32_t arg) |
540 | a0d7d5a7 | aurel32 | { |
541 | a0d7d5a7 | aurel32 | CPU_FloatU f; |
542 | a0d7d5a7 | aurel32 | CPU_DoubleU d; |
543 | a0d7d5a7 | aurel32 | f.l = arg; |
544 | a0d7d5a7 | aurel32 | d.d = float32_to_float64(f.f, &env->fp_status); |
545 | a0d7d5a7 | aurel32 | return d.ll;
|
546 | a0d7d5a7 | aurel32 | } |
547 | a0d7d5a7 | aurel32 | |
548 | a0d7d5a7 | aurel32 | uint32_t helper_float64_to_float32(uint64_t arg) |
549 | a0d7d5a7 | aurel32 | { |
550 | a0d7d5a7 | aurel32 | CPU_FloatU f; |
551 | a0d7d5a7 | aurel32 | CPU_DoubleU d; |
552 | a0d7d5a7 | aurel32 | d.ll = arg; |
553 | a0d7d5a7 | aurel32 | f.f = float64_to_float32(d.d, &env->fp_status); |
554 | a0d7d5a7 | aurel32 | return f.l;
|
555 | a0d7d5a7 | aurel32 | } |
556 | a0d7d5a7 | aurel32 | |
557 | 0ca9d380 | aurel32 | static always_inline int isden (float64 d) |
558 | 7c58044c | j_mayer | { |
559 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
560 | 7c58044c | j_mayer | |
561 | 0ca9d380 | aurel32 | u.d = d; |
562 | 7c58044c | j_mayer | |
563 | 0ca9d380 | aurel32 | return ((u.ll >> 52) & 0x7FF) == 0; |
564 | 7c58044c | j_mayer | } |
565 | 7c58044c | j_mayer | |
566 | 80621676 | aurel32 | #ifdef CONFIG_SOFTFLOAT
|
567 | 80621676 | aurel32 | static always_inline int isnormal (float64 d) |
568 | 80621676 | aurel32 | { |
569 | 80621676 | aurel32 | CPU_DoubleU u; |
570 | 80621676 | aurel32 | |
571 | 80621676 | aurel32 | u.d = d; |
572 | 80621676 | aurel32 | |
573 | 80621676 | aurel32 | uint32_t exp = (u.ll >> 52) & 0x7FF; |
574 | 80621676 | aurel32 | return ((0 < exp) && (exp < 0x7FF)); |
575 | 80621676 | aurel32 | } |
576 | 80621676 | aurel32 | #endif
|
577 | 80621676 | aurel32 | |
578 | af12906f | aurel32 | uint32_t helper_compute_fprf (uint64_t arg, uint32_t set_fprf) |
579 | 7c58044c | j_mayer | { |
580 | af12906f | aurel32 | CPU_DoubleU farg; |
581 | 7c58044c | j_mayer | int isneg;
|
582 | af12906f | aurel32 | int ret;
|
583 | af12906f | aurel32 | farg.ll = arg; |
584 | f23c346e | aurel32 | isneg = float64_is_neg(farg.d); |
585 | af12906f | aurel32 | if (unlikely(float64_is_nan(farg.d))) {
|
586 | af12906f | aurel32 | if (float64_is_signaling_nan(farg.d)) {
|
587 | 7c58044c | j_mayer | /* Signaling NaN: flags are undefined */
|
588 | af12906f | aurel32 | ret = 0x00;
|
589 | 7c58044c | j_mayer | } else {
|
590 | 7c58044c | j_mayer | /* Quiet NaN */
|
591 | af12906f | aurel32 | ret = 0x11;
|
592 | 7c58044c | j_mayer | } |
593 | f23c346e | aurel32 | } else if (unlikely(float64_is_infinity(farg.d))) { |
594 | 7c58044c | j_mayer | /* +/- infinity */
|
595 | 7c58044c | j_mayer | if (isneg)
|
596 | af12906f | aurel32 | ret = 0x09;
|
597 | 7c58044c | j_mayer | else
|
598 | af12906f | aurel32 | ret = 0x05;
|
599 | 7c58044c | j_mayer | } else {
|
600 | f23c346e | aurel32 | if (float64_is_zero(farg.d)) {
|
601 | 7c58044c | j_mayer | /* +/- zero */
|
602 | 7c58044c | j_mayer | if (isneg)
|
603 | af12906f | aurel32 | ret = 0x12;
|
604 | 7c58044c | j_mayer | else
|
605 | af12906f | aurel32 | ret = 0x02;
|
606 | 7c58044c | j_mayer | } else {
|
607 | af12906f | aurel32 | if (isden(farg.d)) {
|
608 | 7c58044c | j_mayer | /* Denormalized numbers */
|
609 | af12906f | aurel32 | ret = 0x10;
|
610 | 7c58044c | j_mayer | } else {
|
611 | 7c58044c | j_mayer | /* Normalized numbers */
|
612 | af12906f | aurel32 | ret = 0x00;
|
613 | 7c58044c | j_mayer | } |
614 | 7c58044c | j_mayer | if (isneg) {
|
615 | af12906f | aurel32 | ret |= 0x08;
|
616 | 7c58044c | j_mayer | } else {
|
617 | af12906f | aurel32 | ret |= 0x04;
|
618 | 7c58044c | j_mayer | } |
619 | 7c58044c | j_mayer | } |
620 | 7c58044c | j_mayer | } |
621 | 7c58044c | j_mayer | if (set_fprf) {
|
622 | 7c58044c | j_mayer | /* We update FPSCR_FPRF */
|
623 | 7c58044c | j_mayer | env->fpscr &= ~(0x1F << FPSCR_FPRF);
|
624 | af12906f | aurel32 | env->fpscr |= ret << FPSCR_FPRF; |
625 | 7c58044c | j_mayer | } |
626 | 7c58044c | j_mayer | /* We just need fpcc to update Rc1 */
|
627 | af12906f | aurel32 | return ret & 0xF; |
628 | 7c58044c | j_mayer | } |
629 | 7c58044c | j_mayer | |
630 | 7c58044c | j_mayer | /* Floating-point invalid operations exception */
|
631 | af12906f | aurel32 | static always_inline uint64_t fload_invalid_op_excp (int op) |
632 | 7c58044c | j_mayer | { |
633 | af12906f | aurel32 | uint64_t ret = 0;
|
634 | 7c58044c | j_mayer | int ve;
|
635 | 7c58044c | j_mayer | |
636 | 7c58044c | j_mayer | ve = fpscr_ve; |
637 | e0147e41 | aurel32 | switch (op) {
|
638 | e0147e41 | aurel32 | case POWERPC_EXCP_FP_VXSNAN:
|
639 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXSNAN;
|
640 | e0147e41 | aurel32 | break;
|
641 | e0147e41 | aurel32 | case POWERPC_EXCP_FP_VXSOFT:
|
642 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXSOFT;
|
643 | e0147e41 | aurel32 | break;
|
644 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXISI:
|
645 | 7c58044c | j_mayer | /* Magnitude subtraction of infinities */
|
646 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXISI;
|
647 | 7c58044c | j_mayer | goto update_arith;
|
648 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXIDI:
|
649 | 7c58044c | j_mayer | /* Division of infinity by infinity */
|
650 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXIDI;
|
651 | 7c58044c | j_mayer | goto update_arith;
|
652 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXZDZ:
|
653 | 7c58044c | j_mayer | /* Division of zero by zero */
|
654 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXZDZ;
|
655 | 7c58044c | j_mayer | goto update_arith;
|
656 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXIMZ:
|
657 | 7c58044c | j_mayer | /* Multiplication of zero by infinity */
|
658 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXIMZ;
|
659 | 7c58044c | j_mayer | goto update_arith;
|
660 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXVC:
|
661 | 7c58044c | j_mayer | /* Ordered comparison of NaN */
|
662 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXVC;
|
663 | 7c58044c | j_mayer | env->fpscr &= ~(0xF << FPSCR_FPCC);
|
664 | 7c58044c | j_mayer | env->fpscr |= 0x11 << FPSCR_FPCC;
|
665 | 7c58044c | j_mayer | /* We must update the target FPR before raising the exception */
|
666 | 7c58044c | j_mayer | if (ve != 0) { |
667 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
668 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_VXVC; |
669 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
670 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
671 | 7c58044c | j_mayer | /* Exception is differed */
|
672 | 7c58044c | j_mayer | ve = 0;
|
673 | 7c58044c | j_mayer | } |
674 | 7c58044c | j_mayer | break;
|
675 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXSQRT:
|
676 | 7c58044c | j_mayer | /* Square root of a negative number */
|
677 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXSQRT;
|
678 | 7c58044c | j_mayer | update_arith:
|
679 | 7c58044c | j_mayer | env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI)); |
680 | 7c58044c | j_mayer | if (ve == 0) { |
681 | 7c58044c | j_mayer | /* Set the result to quiet NaN */
|
682 | e0147e41 | aurel32 | ret = 0xFFF8000000000000ULL;
|
683 | 7c58044c | j_mayer | env->fpscr &= ~(0xF << FPSCR_FPCC);
|
684 | 7c58044c | j_mayer | env->fpscr |= 0x11 << FPSCR_FPCC;
|
685 | 7c58044c | j_mayer | } |
686 | 7c58044c | j_mayer | break;
|
687 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXCVI:
|
688 | 7c58044c | j_mayer | /* Invalid conversion */
|
689 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXCVI;
|
690 | 7c58044c | j_mayer | env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI)); |
691 | 7c58044c | j_mayer | if (ve == 0) { |
692 | 7c58044c | j_mayer | /* Set the result to quiet NaN */
|
693 | e0147e41 | aurel32 | ret = 0xFFF8000000000000ULL;
|
694 | 7c58044c | j_mayer | env->fpscr &= ~(0xF << FPSCR_FPCC);
|
695 | 7c58044c | j_mayer | env->fpscr |= 0x11 << FPSCR_FPCC;
|
696 | 7c58044c | j_mayer | } |
697 | 7c58044c | j_mayer | break;
|
698 | 7c58044c | j_mayer | } |
699 | 7c58044c | j_mayer | /* Update the floating-point invalid operation summary */
|
700 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VX;
|
701 | 7c58044c | j_mayer | /* Update the floating-point exception summary */
|
702 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
703 | 7c58044c | j_mayer | if (ve != 0) { |
704 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
705 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
706 | 7c58044c | j_mayer | if (msr_fe0 != 0 || msr_fe1 != 0) |
707 | e06fcd75 | aurel32 | helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op); |
708 | 7c58044c | j_mayer | } |
709 | af12906f | aurel32 | return ret;
|
710 | 7c58044c | j_mayer | } |
711 | 7c58044c | j_mayer | |
712 | af12906f | aurel32 | static always_inline uint64_t float_zero_divide_excp (uint64_t arg1, uint64_t arg2)
|
713 | 7c58044c | j_mayer | { |
714 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_ZX;
|
715 | 7c58044c | j_mayer | env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI)); |
716 | 7c58044c | j_mayer | /* Update the floating-point exception summary */
|
717 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
718 | 7c58044c | j_mayer | if (fpscr_ze != 0) { |
719 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
720 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
721 | 7c58044c | j_mayer | if (msr_fe0 != 0 || msr_fe1 != 0) { |
722 | e06fcd75 | aurel32 | helper_raise_exception_err(POWERPC_EXCP_PROGRAM, |
723 | e06fcd75 | aurel32 | POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX); |
724 | 7c58044c | j_mayer | } |
725 | 7c58044c | j_mayer | } else {
|
726 | 7c58044c | j_mayer | /* Set the result to infinity */
|
727 | af12906f | aurel32 | arg1 = ((arg1 ^ arg2) & 0x8000000000000000ULL);
|
728 | af12906f | aurel32 | arg1 |= 0x7FFULL << 52; |
729 | 7c58044c | j_mayer | } |
730 | af12906f | aurel32 | return arg1;
|
731 | 7c58044c | j_mayer | } |
732 | 7c58044c | j_mayer | |
733 | 7c58044c | j_mayer | static always_inline void float_overflow_excp (void) |
734 | 7c58044c | j_mayer | { |
735 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_OX;
|
736 | 7c58044c | j_mayer | /* Update the floating-point exception summary */
|
737 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
738 | 7c58044c | j_mayer | if (fpscr_oe != 0) { |
739 | 7c58044c | j_mayer | /* XXX: should adjust the result */
|
740 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
741 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
742 | 7c58044c | j_mayer | /* We must update the target FPR before raising the exception */
|
743 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
744 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX; |
745 | 7c58044c | j_mayer | } else {
|
746 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_XX;
|
747 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FI;
|
748 | 7c58044c | j_mayer | } |
749 | 7c58044c | j_mayer | } |
750 | 7c58044c | j_mayer | |
751 | 7c58044c | j_mayer | static always_inline void float_underflow_excp (void) |
752 | 7c58044c | j_mayer | { |
753 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_UX;
|
754 | 7c58044c | j_mayer | /* Update the floating-point exception summary */
|
755 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
756 | 7c58044c | j_mayer | if (fpscr_ue != 0) { |
757 | 7c58044c | j_mayer | /* XXX: should adjust the result */
|
758 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
759 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
760 | 7c58044c | j_mayer | /* We must update the target FPR before raising the exception */
|
761 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
762 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX; |
763 | 7c58044c | j_mayer | } |
764 | 7c58044c | j_mayer | } |
765 | 7c58044c | j_mayer | |
766 | 7c58044c | j_mayer | static always_inline void float_inexact_excp (void) |
767 | 7c58044c | j_mayer | { |
768 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_XX;
|
769 | 7c58044c | j_mayer | /* Update the floating-point exception summary */
|
770 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
771 | 7c58044c | j_mayer | if (fpscr_xe != 0) { |
772 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
773 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
774 | 7c58044c | j_mayer | /* We must update the target FPR before raising the exception */
|
775 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
776 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX; |
777 | 7c58044c | j_mayer | } |
778 | 7c58044c | j_mayer | } |
779 | 7c58044c | j_mayer | |
780 | 7c58044c | j_mayer | static always_inline void fpscr_set_rounding_mode (void) |
781 | 7c58044c | j_mayer | { |
782 | 7c58044c | j_mayer | int rnd_type;
|
783 | 7c58044c | j_mayer | |
784 | 7c58044c | j_mayer | /* Set rounding mode */
|
785 | 7c58044c | j_mayer | switch (fpscr_rn) {
|
786 | 7c58044c | j_mayer | case 0: |
787 | 7c58044c | j_mayer | /* Best approximation (round to nearest) */
|
788 | 7c58044c | j_mayer | rnd_type = float_round_nearest_even; |
789 | 7c58044c | j_mayer | break;
|
790 | 7c58044c | j_mayer | case 1: |
791 | 7c58044c | j_mayer | /* Smaller magnitude (round toward zero) */
|
792 | 7c58044c | j_mayer | rnd_type = float_round_to_zero; |
793 | 7c58044c | j_mayer | break;
|
794 | 7c58044c | j_mayer | case 2: |
795 | 7c58044c | j_mayer | /* Round toward +infinite */
|
796 | 7c58044c | j_mayer | rnd_type = float_round_up; |
797 | 7c58044c | j_mayer | break;
|
798 | 7c58044c | j_mayer | default:
|
799 | 7c58044c | j_mayer | case 3: |
800 | 7c58044c | j_mayer | /* Round toward -infinite */
|
801 | 7c58044c | j_mayer | rnd_type = float_round_down; |
802 | 7c58044c | j_mayer | break;
|
803 | 7c58044c | j_mayer | } |
804 | 7c58044c | j_mayer | set_float_rounding_mode(rnd_type, &env->fp_status); |
805 | 7c58044c | j_mayer | } |
806 | 7c58044c | j_mayer | |
807 | 6e35d524 | aurel32 | void helper_fpscr_clrbit (uint32_t bit)
|
808 | 6e35d524 | aurel32 | { |
809 | 6e35d524 | aurel32 | int prev;
|
810 | 6e35d524 | aurel32 | |
811 | 6e35d524 | aurel32 | prev = (env->fpscr >> bit) & 1;
|
812 | 6e35d524 | aurel32 | env->fpscr &= ~(1 << bit);
|
813 | 6e35d524 | aurel32 | if (prev == 1) { |
814 | 6e35d524 | aurel32 | switch (bit) {
|
815 | 6e35d524 | aurel32 | case FPSCR_RN1:
|
816 | 6e35d524 | aurel32 | case FPSCR_RN:
|
817 | 6e35d524 | aurel32 | fpscr_set_rounding_mode(); |
818 | 6e35d524 | aurel32 | break;
|
819 | 6e35d524 | aurel32 | default:
|
820 | 6e35d524 | aurel32 | break;
|
821 | 6e35d524 | aurel32 | } |
822 | 6e35d524 | aurel32 | } |
823 | 6e35d524 | aurel32 | } |
824 | 6e35d524 | aurel32 | |
825 | af12906f | aurel32 | void helper_fpscr_setbit (uint32_t bit)
|
826 | 7c58044c | j_mayer | { |
827 | 7c58044c | j_mayer | int prev;
|
828 | 7c58044c | j_mayer | |
829 | 7c58044c | j_mayer | prev = (env->fpscr >> bit) & 1;
|
830 | 7c58044c | j_mayer | env->fpscr |= 1 << bit;
|
831 | 7c58044c | j_mayer | if (prev == 0) { |
832 | 7c58044c | j_mayer | switch (bit) {
|
833 | 7c58044c | j_mayer | case FPSCR_VX:
|
834 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
835 | 7c58044c | j_mayer | if (fpscr_ve)
|
836 | 7c58044c | j_mayer | goto raise_ve;
|
837 | 7c58044c | j_mayer | case FPSCR_OX:
|
838 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
839 | 7c58044c | j_mayer | if (fpscr_oe)
|
840 | 7c58044c | j_mayer | goto raise_oe;
|
841 | 7c58044c | j_mayer | break;
|
842 | 7c58044c | j_mayer | case FPSCR_UX:
|
843 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
844 | 7c58044c | j_mayer | if (fpscr_ue)
|
845 | 7c58044c | j_mayer | goto raise_ue;
|
846 | 7c58044c | j_mayer | break;
|
847 | 7c58044c | j_mayer | case FPSCR_ZX:
|
848 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
849 | 7c58044c | j_mayer | if (fpscr_ze)
|
850 | 7c58044c | j_mayer | goto raise_ze;
|
851 | 7c58044c | j_mayer | break;
|
852 | 7c58044c | j_mayer | case FPSCR_XX:
|
853 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
854 | 7c58044c | j_mayer | if (fpscr_xe)
|
855 | 7c58044c | j_mayer | goto raise_xe;
|
856 | 7c58044c | j_mayer | break;
|
857 | 7c58044c | j_mayer | case FPSCR_VXSNAN:
|
858 | 7c58044c | j_mayer | case FPSCR_VXISI:
|
859 | 7c58044c | j_mayer | case FPSCR_VXIDI:
|
860 | 7c58044c | j_mayer | case FPSCR_VXZDZ:
|
861 | 7c58044c | j_mayer | case FPSCR_VXIMZ:
|
862 | 7c58044c | j_mayer | case FPSCR_VXVC:
|
863 | 7c58044c | j_mayer | case FPSCR_VXSOFT:
|
864 | 7c58044c | j_mayer | case FPSCR_VXSQRT:
|
865 | 7c58044c | j_mayer | case FPSCR_VXCVI:
|
866 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VX;
|
867 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
868 | 7c58044c | j_mayer | if (fpscr_ve != 0) |
869 | 7c58044c | j_mayer | goto raise_ve;
|
870 | 7c58044c | j_mayer | break;
|
871 | 7c58044c | j_mayer | case FPSCR_VE:
|
872 | 7c58044c | j_mayer | if (fpscr_vx != 0) { |
873 | 7c58044c | j_mayer | raise_ve:
|
874 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP; |
875 | 7c58044c | j_mayer | if (fpscr_vxsnan)
|
876 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXSNAN; |
877 | 7c58044c | j_mayer | if (fpscr_vxisi)
|
878 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXISI; |
879 | 7c58044c | j_mayer | if (fpscr_vxidi)
|
880 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXIDI; |
881 | 7c58044c | j_mayer | if (fpscr_vxzdz)
|
882 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXZDZ; |
883 | 7c58044c | j_mayer | if (fpscr_vximz)
|
884 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXIMZ; |
885 | 7c58044c | j_mayer | if (fpscr_vxvc)
|
886 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXVC; |
887 | 7c58044c | j_mayer | if (fpscr_vxsoft)
|
888 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXSOFT; |
889 | 7c58044c | j_mayer | if (fpscr_vxsqrt)
|
890 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXSQRT; |
891 | 7c58044c | j_mayer | if (fpscr_vxcvi)
|
892 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXCVI; |
893 | 7c58044c | j_mayer | goto raise_excp;
|
894 | 7c58044c | j_mayer | } |
895 | 7c58044c | j_mayer | break;
|
896 | 7c58044c | j_mayer | case FPSCR_OE:
|
897 | 7c58044c | j_mayer | if (fpscr_ox != 0) { |
898 | 7c58044c | j_mayer | raise_oe:
|
899 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX; |
900 | 7c58044c | j_mayer | goto raise_excp;
|
901 | 7c58044c | j_mayer | } |
902 | 7c58044c | j_mayer | break;
|
903 | 7c58044c | j_mayer | case FPSCR_UE:
|
904 | 7c58044c | j_mayer | if (fpscr_ux != 0) { |
905 | 7c58044c | j_mayer | raise_ue:
|
906 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX; |
907 | 7c58044c | j_mayer | goto raise_excp;
|
908 | 7c58044c | j_mayer | } |
909 | 7c58044c | j_mayer | break;
|
910 | 7c58044c | j_mayer | case FPSCR_ZE:
|
911 | 7c58044c | j_mayer | if (fpscr_zx != 0) { |
912 | 7c58044c | j_mayer | raise_ze:
|
913 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX; |
914 | 7c58044c | j_mayer | goto raise_excp;
|
915 | 7c58044c | j_mayer | } |
916 | 7c58044c | j_mayer | break;
|
917 | 7c58044c | j_mayer | case FPSCR_XE:
|
918 | 7c58044c | j_mayer | if (fpscr_xx != 0) { |
919 | 7c58044c | j_mayer | raise_xe:
|
920 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX; |
921 | 7c58044c | j_mayer | goto raise_excp;
|
922 | 7c58044c | j_mayer | } |
923 | 7c58044c | j_mayer | break;
|
924 | 7c58044c | j_mayer | case FPSCR_RN1:
|
925 | 7c58044c | j_mayer | case FPSCR_RN:
|
926 | 7c58044c | j_mayer | fpscr_set_rounding_mode(); |
927 | 7c58044c | j_mayer | break;
|
928 | 7c58044c | j_mayer | default:
|
929 | 7c58044c | j_mayer | break;
|
930 | 7c58044c | j_mayer | raise_excp:
|
931 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
932 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
933 | 7c58044c | j_mayer | /* We have to update Rc1 before raising the exception */
|
934 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
935 | 7c58044c | j_mayer | break;
|
936 | 7c58044c | j_mayer | } |
937 | 7c58044c | j_mayer | } |
938 | 7c58044c | j_mayer | } |
939 | 7c58044c | j_mayer | |
940 | af12906f | aurel32 | void helper_store_fpscr (uint64_t arg, uint32_t mask)
|
941 | 7c58044c | j_mayer | { |
942 | 7c58044c | j_mayer | /*
|
943 | 7c58044c | j_mayer | * We use only the 32 LSB of the incoming fpr
|
944 | 7c58044c | j_mayer | */
|
945 | 7c58044c | j_mayer | uint32_t prev, new; |
946 | 7c58044c | j_mayer | int i;
|
947 | 7c58044c | j_mayer | |
948 | 7c58044c | j_mayer | prev = env->fpscr; |
949 | af12906f | aurel32 | new = (uint32_t)arg; |
950 | 27ee5df0 | aurel32 | new &= ~0x60000000;
|
951 | 27ee5df0 | aurel32 | new |= prev & 0x60000000;
|
952 | 27ee5df0 | aurel32 | for (i = 0; i < 8; i++) { |
953 | 7c58044c | j_mayer | if (mask & (1 << i)) { |
954 | 7c58044c | j_mayer | env->fpscr &= ~(0xF << (4 * i)); |
955 | 7c58044c | j_mayer | env->fpscr |= new & (0xF << (4 * i)); |
956 | 7c58044c | j_mayer | } |
957 | 7c58044c | j_mayer | } |
958 | 7c58044c | j_mayer | /* Update VX and FEX */
|
959 | 7c58044c | j_mayer | if (fpscr_ix != 0) |
960 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VX;
|
961 | 5567025f | aurel32 | else
|
962 | 5567025f | aurel32 | env->fpscr &= ~(1 << FPSCR_VX);
|
963 | 7c58044c | j_mayer | if ((fpscr_ex & fpscr_eex) != 0) { |
964 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
965 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
966 | 7c58044c | j_mayer | /* XXX: we should compute it properly */
|
967 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP; |
968 | 7c58044c | j_mayer | } |
969 | 5567025f | aurel32 | else
|
970 | 5567025f | aurel32 | env->fpscr &= ~(1 << FPSCR_FEX);
|
971 | 7c58044c | j_mayer | fpscr_set_rounding_mode(); |
972 | 7c58044c | j_mayer | } |
973 | 7c58044c | j_mayer | |
974 | af12906f | aurel32 | void helper_float_check_status (void) |
975 | 7c58044c | j_mayer | { |
976 | af12906f | aurel32 | #ifdef CONFIG_SOFTFLOAT
|
977 | 7c58044c | j_mayer | if (env->exception_index == POWERPC_EXCP_PROGRAM &&
|
978 | 7c58044c | j_mayer | (env->error_code & POWERPC_EXCP_FP)) { |
979 | 7c58044c | j_mayer | /* Differred floating-point exception after target FPR update */
|
980 | 7c58044c | j_mayer | if (msr_fe0 != 0 || msr_fe1 != 0) |
981 | e06fcd75 | aurel32 | helper_raise_exception_err(env->exception_index, env->error_code); |
982 | be94c952 | aurel32 | } else {
|
983 | be94c952 | aurel32 | int status = get_float_exception_flags(&env->fp_status);
|
984 | be94c952 | aurel32 | if (status & float_flag_overflow) {
|
985 | be94c952 | aurel32 | float_overflow_excp(); |
986 | be94c952 | aurel32 | } else if (status & float_flag_underflow) { |
987 | be94c952 | aurel32 | float_underflow_excp(); |
988 | be94c952 | aurel32 | } else if (status & float_flag_inexact) { |
989 | be94c952 | aurel32 | float_inexact_excp(); |
990 | be94c952 | aurel32 | } |
991 | 7c58044c | j_mayer | } |
992 | af12906f | aurel32 | #else
|
993 | af12906f | aurel32 | if (env->exception_index == POWERPC_EXCP_PROGRAM &&
|
994 | af12906f | aurel32 | (env->error_code & POWERPC_EXCP_FP)) { |
995 | af12906f | aurel32 | /* Differred floating-point exception after target FPR update */
|
996 | af12906f | aurel32 | if (msr_fe0 != 0 || msr_fe1 != 0) |
997 | e06fcd75 | aurel32 | helper_raise_exception_err(env->exception_index, env->error_code); |
998 | af12906f | aurel32 | } |
999 | af12906f | aurel32 | #endif
|
1000 | af12906f | aurel32 | } |
1001 | af12906f | aurel32 | |
1002 | af12906f | aurel32 | #ifdef CONFIG_SOFTFLOAT
|
1003 | af12906f | aurel32 | void helper_reset_fpstatus (void) |
1004 | af12906f | aurel32 | { |
1005 | be94c952 | aurel32 | set_float_exception_flags(0, &env->fp_status);
|
1006 | 7c58044c | j_mayer | } |
1007 | 7c58044c | j_mayer | #endif
|
1008 | 7c58044c | j_mayer | |
1009 | af12906f | aurel32 | /* fadd - fadd. */
|
1010 | af12906f | aurel32 | uint64_t helper_fadd (uint64_t arg1, uint64_t arg2) |
1011 | 7c58044c | j_mayer | { |
1012 | af12906f | aurel32 | CPU_DoubleU farg1, farg2; |
1013 | af12906f | aurel32 | |
1014 | af12906f | aurel32 | farg1.ll = arg1; |
1015 | af12906f | aurel32 | farg2.ll = arg2; |
1016 | af12906f | aurel32 | #if USE_PRECISE_EMULATION
|
1017 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg1.d) ||
|
1018 | af12906f | aurel32 | float64_is_signaling_nan(farg2.d))) { |
1019 | 7c58044c | j_mayer | /* sNaN addition */
|
1020 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1021 | 17218d1f | aurel32 | } else if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) && |
1022 | 17218d1f | aurel32 | float64_is_neg(farg1.d) != float64_is_neg(farg2.d))) { |
1023 | 7c58044c | j_mayer | /* Magnitude subtraction of infinities */
|
1024 | cf1cf21e | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI); |
1025 | 17218d1f | aurel32 | } else {
|
1026 | 17218d1f | aurel32 | farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status); |
1027 | 7c58044c | j_mayer | } |
1028 | af12906f | aurel32 | #else
|
1029 | af12906f | aurel32 | farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status); |
1030 | af12906f | aurel32 | #endif
|
1031 | af12906f | aurel32 | return farg1.ll;
|
1032 | 7c58044c | j_mayer | } |
1033 | 7c58044c | j_mayer | |
1034 | af12906f | aurel32 | /* fsub - fsub. */
|
1035 | af12906f | aurel32 | uint64_t helper_fsub (uint64_t arg1, uint64_t arg2) |
1036 | af12906f | aurel32 | { |
1037 | af12906f | aurel32 | CPU_DoubleU farg1, farg2; |
1038 | af12906f | aurel32 | |
1039 | af12906f | aurel32 | farg1.ll = arg1; |
1040 | af12906f | aurel32 | farg2.ll = arg2; |
1041 | af12906f | aurel32 | #if USE_PRECISE_EMULATION
|
1042 | 7c58044c | j_mayer | { |
1043 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg1.d) ||
|
1044 | af12906f | aurel32 | float64_is_signaling_nan(farg2.d))) { |
1045 | 7c58044c | j_mayer | /* sNaN subtraction */
|
1046 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1047 | 17218d1f | aurel32 | } else if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) && |
1048 | 17218d1f | aurel32 | float64_is_neg(farg1.d) == float64_is_neg(farg2.d))) { |
1049 | 7c58044c | j_mayer | /* Magnitude subtraction of infinities */
|
1050 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI); |
1051 | 17218d1f | aurel32 | } else {
|
1052 | 17218d1f | aurel32 | farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status); |
1053 | 7c58044c | j_mayer | } |
1054 | 7c58044c | j_mayer | } |
1055 | af12906f | aurel32 | #else
|
1056 | af12906f | aurel32 | farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status); |
1057 | af12906f | aurel32 | #endif
|
1058 | af12906f | aurel32 | return farg1.ll;
|
1059 | af12906f | aurel32 | } |
1060 | 7c58044c | j_mayer | |
1061 | af12906f | aurel32 | /* fmul - fmul. */
|
1062 | af12906f | aurel32 | uint64_t helper_fmul (uint64_t arg1, uint64_t arg2) |
1063 | 7c58044c | j_mayer | { |
1064 | af12906f | aurel32 | CPU_DoubleU farg1, farg2; |
1065 | af12906f | aurel32 | |
1066 | af12906f | aurel32 | farg1.ll = arg1; |
1067 | af12906f | aurel32 | farg2.ll = arg2; |
1068 | af12906f | aurel32 | #if USE_PRECISE_EMULATION
|
1069 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg1.d) ||
|
1070 | af12906f | aurel32 | float64_is_signaling_nan(farg2.d))) { |
1071 | 7c58044c | j_mayer | /* sNaN multiplication */
|
1072 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1073 | f23c346e | aurel32 | } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) || |
1074 | f23c346e | aurel32 | (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) { |
1075 | 7c58044c | j_mayer | /* Multiplication of zero by infinity */
|
1076 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ); |
1077 | 7c58044c | j_mayer | } else {
|
1078 | af12906f | aurel32 | farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status); |
1079 | 7c58044c | j_mayer | } |
1080 | af12906f | aurel32 | #else
|
1081 | af12906f | aurel32 | farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status); |
1082 | af12906f | aurel32 | #endif
|
1083 | af12906f | aurel32 | return farg1.ll;
|
1084 | af12906f | aurel32 | } |
1085 | 7c58044c | j_mayer | |
1086 | af12906f | aurel32 | /* fdiv - fdiv. */
|
1087 | af12906f | aurel32 | uint64_t helper_fdiv (uint64_t arg1, uint64_t arg2) |
1088 | 7c58044c | j_mayer | { |
1089 | af12906f | aurel32 | CPU_DoubleU farg1, farg2; |
1090 | af12906f | aurel32 | |
1091 | af12906f | aurel32 | farg1.ll = arg1; |
1092 | af12906f | aurel32 | farg2.ll = arg2; |
1093 | af12906f | aurel32 | #if USE_PRECISE_EMULATION
|
1094 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg1.d) ||
|
1095 | af12906f | aurel32 | float64_is_signaling_nan(farg2.d))) { |
1096 | 7c58044c | j_mayer | /* sNaN division */
|
1097 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1098 | f23c346e | aurel32 | } else if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d))) { |
1099 | 7c58044c | j_mayer | /* Division of infinity by infinity */
|
1100 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIDI); |
1101 | f23c346e | aurel32 | } else if (unlikely(!float64_is_nan(farg1.d) && float64_is_zero(farg2.d))) { |
1102 | f23c346e | aurel32 | if (float64_is_zero(farg1.d)) {
|
1103 | 7c58044c | j_mayer | /* Division of zero by zero */
|
1104 | cf1cf21e | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXZDZ); |
1105 | 7c58044c | j_mayer | } else {
|
1106 | 7c58044c | j_mayer | /* Division by zero */
|
1107 | af12906f | aurel32 | farg1.ll = float_zero_divide_excp(farg1.d, farg2.d); |
1108 | 7c58044c | j_mayer | } |
1109 | 7c58044c | j_mayer | } else {
|
1110 | af12906f | aurel32 | farg1.d = float64_div(farg1.d, farg2.d, &env->fp_status); |
1111 | 7c58044c | j_mayer | } |
1112 | af12906f | aurel32 | #else
|
1113 | af12906f | aurel32 | farg1.d = float64_div(farg1.d, farg2.d, &env->fp_status); |
1114 | af12906f | aurel32 | #endif
|
1115 | af12906f | aurel32 | return farg1.ll;
|
1116 | 7c58044c | j_mayer | } |
1117 | 7c58044c | j_mayer | |
1118 | af12906f | aurel32 | /* fabs */
|
1119 | af12906f | aurel32 | uint64_t helper_fabs (uint64_t arg) |
1120 | 9a64fbe4 | bellard | { |
1121 | af12906f | aurel32 | CPU_DoubleU farg; |
1122 | 9a64fbe4 | bellard | |
1123 | af12906f | aurel32 | farg.ll = arg; |
1124 | af12906f | aurel32 | farg.d = float64_abs(farg.d); |
1125 | af12906f | aurel32 | return farg.ll;
|
1126 | af12906f | aurel32 | } |
1127 | af12906f | aurel32 | |
1128 | af12906f | aurel32 | /* fnabs */
|
1129 | af12906f | aurel32 | uint64_t helper_fnabs (uint64_t arg) |
1130 | af12906f | aurel32 | { |
1131 | af12906f | aurel32 | CPU_DoubleU farg; |
1132 | af12906f | aurel32 | |
1133 | af12906f | aurel32 | farg.ll = arg; |
1134 | af12906f | aurel32 | farg.d = float64_abs(farg.d); |
1135 | af12906f | aurel32 | farg.d = float64_chs(farg.d); |
1136 | af12906f | aurel32 | return farg.ll;
|
1137 | af12906f | aurel32 | } |
1138 | af12906f | aurel32 | |
1139 | af12906f | aurel32 | /* fneg */
|
1140 | af12906f | aurel32 | uint64_t helper_fneg (uint64_t arg) |
1141 | af12906f | aurel32 | { |
1142 | af12906f | aurel32 | CPU_DoubleU farg; |
1143 | af12906f | aurel32 | |
1144 | af12906f | aurel32 | farg.ll = arg; |
1145 | af12906f | aurel32 | farg.d = float64_chs(farg.d); |
1146 | af12906f | aurel32 | return farg.ll;
|
1147 | af12906f | aurel32 | } |
1148 | af12906f | aurel32 | |
1149 | af12906f | aurel32 | /* fctiw - fctiw. */
|
1150 | af12906f | aurel32 | uint64_t helper_fctiw (uint64_t arg) |
1151 | af12906f | aurel32 | { |
1152 | af12906f | aurel32 | CPU_DoubleU farg; |
1153 | af12906f | aurel32 | farg.ll = arg; |
1154 | af12906f | aurel32 | |
1155 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg.d))) {
|
1156 | 7c58044c | j_mayer | /* sNaN conversion */
|
1157 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); |
1158 | f23c346e | aurel32 | } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) { |
1159 | 7c58044c | j_mayer | /* qNan / infinity conversion */
|
1160 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); |
1161 | 7c58044c | j_mayer | } else {
|
1162 | af12906f | aurel32 | farg.ll = float64_to_int32(farg.d, &env->fp_status); |
1163 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1164 | 7c58044c | j_mayer | /* XXX: higher bits are not supposed to be significant.
|
1165 | 7c58044c | j_mayer | * to make tests easier, return the same as a real PowerPC 750
|
1166 | 7c58044c | j_mayer | */
|
1167 | af12906f | aurel32 | farg.ll |= 0xFFF80000ULL << 32; |
1168 | e864cabd | j_mayer | #endif
|
1169 | 7c58044c | j_mayer | } |
1170 | af12906f | aurel32 | return farg.ll;
|
1171 | 9a64fbe4 | bellard | } |
1172 | 9a64fbe4 | bellard | |
1173 | af12906f | aurel32 | /* fctiwz - fctiwz. */
|
1174 | af12906f | aurel32 | uint64_t helper_fctiwz (uint64_t arg) |
1175 | 9a64fbe4 | bellard | { |
1176 | af12906f | aurel32 | CPU_DoubleU farg; |
1177 | af12906f | aurel32 | farg.ll = arg; |
1178 | 4ecc3190 | bellard | |
1179 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg.d))) {
|
1180 | 7c58044c | j_mayer | /* sNaN conversion */
|
1181 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); |
1182 | f23c346e | aurel32 | } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) { |
1183 | 7c58044c | j_mayer | /* qNan / infinity conversion */
|
1184 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); |
1185 | 7c58044c | j_mayer | } else {
|
1186 | af12906f | aurel32 | farg.ll = float64_to_int32_round_to_zero(farg.d, &env->fp_status); |
1187 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1188 | 7c58044c | j_mayer | /* XXX: higher bits are not supposed to be significant.
|
1189 | 7c58044c | j_mayer | * to make tests easier, return the same as a real PowerPC 750
|
1190 | 7c58044c | j_mayer | */
|
1191 | af12906f | aurel32 | farg.ll |= 0xFFF80000ULL << 32; |
1192 | e864cabd | j_mayer | #endif
|
1193 | 7c58044c | j_mayer | } |
1194 | af12906f | aurel32 | return farg.ll;
|
1195 | 9a64fbe4 | bellard | } |
1196 | 9a64fbe4 | bellard | |
1197 | 426613db | j_mayer | #if defined(TARGET_PPC64)
|
1198 | af12906f | aurel32 | /* fcfid - fcfid. */
|
1199 | af12906f | aurel32 | uint64_t helper_fcfid (uint64_t arg) |
1200 | 426613db | j_mayer | { |
1201 | af12906f | aurel32 | CPU_DoubleU farg; |
1202 | af12906f | aurel32 | farg.d = int64_to_float64(arg, &env->fp_status); |
1203 | af12906f | aurel32 | return farg.ll;
|
1204 | 426613db | j_mayer | } |
1205 | 426613db | j_mayer | |
1206 | af12906f | aurel32 | /* fctid - fctid. */
|
1207 | af12906f | aurel32 | uint64_t helper_fctid (uint64_t arg) |
1208 | 426613db | j_mayer | { |
1209 | af12906f | aurel32 | CPU_DoubleU farg; |
1210 | af12906f | aurel32 | farg.ll = arg; |
1211 | 426613db | j_mayer | |
1212 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg.d))) {
|
1213 | 7c58044c | j_mayer | /* sNaN conversion */
|
1214 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); |
1215 | f23c346e | aurel32 | } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) { |
1216 | 7c58044c | j_mayer | /* qNan / infinity conversion */
|
1217 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); |
1218 | 7c58044c | j_mayer | } else {
|
1219 | af12906f | aurel32 | farg.ll = float64_to_int64(farg.d, &env->fp_status); |
1220 | 7c58044c | j_mayer | } |
1221 | af12906f | aurel32 | return farg.ll;
|
1222 | 426613db | j_mayer | } |
1223 | 426613db | j_mayer | |
1224 | af12906f | aurel32 | /* fctidz - fctidz. */
|
1225 | af12906f | aurel32 | uint64_t helper_fctidz (uint64_t arg) |
1226 | 426613db | j_mayer | { |
1227 | af12906f | aurel32 | CPU_DoubleU farg; |
1228 | af12906f | aurel32 | farg.ll = arg; |
1229 | 426613db | j_mayer | |
1230 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg.d))) {
|
1231 | 7c58044c | j_mayer | /* sNaN conversion */
|
1232 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); |
1233 | f23c346e | aurel32 | } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) { |
1234 | 7c58044c | j_mayer | /* qNan / infinity conversion */
|
1235 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); |
1236 | 7c58044c | j_mayer | } else {
|
1237 | af12906f | aurel32 | farg.ll = float64_to_int64_round_to_zero(farg.d, &env->fp_status); |
1238 | 7c58044c | j_mayer | } |
1239 | af12906f | aurel32 | return farg.ll;
|
1240 | 426613db | j_mayer | } |
1241 | 426613db | j_mayer | |
1242 | 426613db | j_mayer | #endif
|
1243 | 426613db | j_mayer | |
1244 | af12906f | aurel32 | static always_inline uint64_t do_fri (uint64_t arg, int rounding_mode) |
1245 | d7e4b87e | j_mayer | { |
1246 | af12906f | aurel32 | CPU_DoubleU farg; |
1247 | af12906f | aurel32 | farg.ll = arg; |
1248 | af12906f | aurel32 | |
1249 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg.d))) {
|
1250 | 7c58044c | j_mayer | /* sNaN round */
|
1251 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); |
1252 | f23c346e | aurel32 | } else if (unlikely(float64_is_nan(farg.d) || float64_is_infinity(farg.d))) { |
1253 | 7c58044c | j_mayer | /* qNan / infinity round */
|
1254 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); |
1255 | 7c58044c | j_mayer | } else {
|
1256 | 7c58044c | j_mayer | set_float_rounding_mode(rounding_mode, &env->fp_status); |
1257 | af12906f | aurel32 | farg.ll = float64_round_to_int(farg.d, &env->fp_status); |
1258 | 7c58044c | j_mayer | /* Restore rounding mode from FPSCR */
|
1259 | 7c58044c | j_mayer | fpscr_set_rounding_mode(); |
1260 | 7c58044c | j_mayer | } |
1261 | af12906f | aurel32 | return farg.ll;
|
1262 | d7e4b87e | j_mayer | } |
1263 | d7e4b87e | j_mayer | |
1264 | af12906f | aurel32 | uint64_t helper_frin (uint64_t arg) |
1265 | d7e4b87e | j_mayer | { |
1266 | af12906f | aurel32 | return do_fri(arg, float_round_nearest_even);
|
1267 | d7e4b87e | j_mayer | } |
1268 | d7e4b87e | j_mayer | |
1269 | af12906f | aurel32 | uint64_t helper_friz (uint64_t arg) |
1270 | d7e4b87e | j_mayer | { |
1271 | af12906f | aurel32 | return do_fri(arg, float_round_to_zero);
|
1272 | d7e4b87e | j_mayer | } |
1273 | d7e4b87e | j_mayer | |
1274 | af12906f | aurel32 | uint64_t helper_frip (uint64_t arg) |
1275 | d7e4b87e | j_mayer | { |
1276 | af12906f | aurel32 | return do_fri(arg, float_round_up);
|
1277 | d7e4b87e | j_mayer | } |
1278 | d7e4b87e | j_mayer | |
1279 | af12906f | aurel32 | uint64_t helper_frim (uint64_t arg) |
1280 | d7e4b87e | j_mayer | { |
1281 | af12906f | aurel32 | return do_fri(arg, float_round_down);
|
1282 | d7e4b87e | j_mayer | } |
1283 | d7e4b87e | j_mayer | |
1284 | af12906f | aurel32 | /* fmadd - fmadd. */
|
1285 | af12906f | aurel32 | uint64_t helper_fmadd (uint64_t arg1, uint64_t arg2, uint64_t arg3) |
1286 | e864cabd | j_mayer | { |
1287 | af12906f | aurel32 | CPU_DoubleU farg1, farg2, farg3; |
1288 | af12906f | aurel32 | |
1289 | af12906f | aurel32 | farg1.ll = arg1; |
1290 | af12906f | aurel32 | farg2.ll = arg2; |
1291 | af12906f | aurel32 | farg3.ll = arg3; |
1292 | af12906f | aurel32 | #if USE_PRECISE_EMULATION
|
1293 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg1.d) ||
|
1294 | af12906f | aurel32 | float64_is_signaling_nan(farg2.d) || |
1295 | af12906f | aurel32 | float64_is_signaling_nan(farg3.d))) { |
1296 | 7c58044c | j_mayer | /* sNaN operation */
|
1297 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1298 | da1e7ac9 | aurel32 | } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) || |
1299 | da1e7ac9 | aurel32 | (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) { |
1300 | da1e7ac9 | aurel32 | /* Multiplication of zero by infinity */
|
1301 | da1e7ac9 | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ); |
1302 | 7c58044c | j_mayer | } else {
|
1303 | e864cabd | j_mayer | #ifdef FLOAT128
|
1304 | 7c58044c | j_mayer | /* This is the way the PowerPC specification defines it */
|
1305 | 7c58044c | j_mayer | float128 ft0_128, ft1_128; |
1306 | 7c58044c | j_mayer | |
1307 | af12906f | aurel32 | ft0_128 = float64_to_float128(farg1.d, &env->fp_status); |
1308 | af12906f | aurel32 | ft1_128 = float64_to_float128(farg2.d, &env->fp_status); |
1309 | 7c58044c | j_mayer | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); |
1310 | da1e7ac9 | aurel32 | if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
|
1311 | da1e7ac9 | aurel32 | float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) { |
1312 | da1e7ac9 | aurel32 | /* Magnitude subtraction of infinities */
|
1313 | da1e7ac9 | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI); |
1314 | da1e7ac9 | aurel32 | } else {
|
1315 | da1e7ac9 | aurel32 | ft1_128 = float64_to_float128(farg3.d, &env->fp_status); |
1316 | da1e7ac9 | aurel32 | ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status); |
1317 | da1e7ac9 | aurel32 | farg1.d = float128_to_float64(ft0_128, &env->fp_status); |
1318 | da1e7ac9 | aurel32 | } |
1319 | e864cabd | j_mayer | #else
|
1320 | 7c58044c | j_mayer | /* This is OK on x86 hosts */
|
1321 | af12906f | aurel32 | farg1.d = (farg1.d * farg2.d) + farg3.d; |
1322 | e864cabd | j_mayer | #endif
|
1323 | 7c58044c | j_mayer | } |
1324 | af12906f | aurel32 | #else
|
1325 | af12906f | aurel32 | farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status); |
1326 | af12906f | aurel32 | farg1.d = float64_add(farg1.d, farg3.d, &env->fp_status); |
1327 | af12906f | aurel32 | #endif
|
1328 | af12906f | aurel32 | return farg1.ll;
|
1329 | e864cabd | j_mayer | } |
1330 | e864cabd | j_mayer | |
1331 | af12906f | aurel32 | /* fmsub - fmsub. */
|
1332 | af12906f | aurel32 | uint64_t helper_fmsub (uint64_t arg1, uint64_t arg2, uint64_t arg3) |
1333 | e864cabd | j_mayer | { |
1334 | af12906f | aurel32 | CPU_DoubleU farg1, farg2, farg3; |
1335 | af12906f | aurel32 | |
1336 | af12906f | aurel32 | farg1.ll = arg1; |
1337 | af12906f | aurel32 | farg2.ll = arg2; |
1338 | af12906f | aurel32 | farg3.ll = arg3; |
1339 | af12906f | aurel32 | #if USE_PRECISE_EMULATION
|
1340 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg1.d) ||
|
1341 | af12906f | aurel32 | float64_is_signaling_nan(farg2.d) || |
1342 | af12906f | aurel32 | float64_is_signaling_nan(farg3.d))) { |
1343 | 7c58044c | j_mayer | /* sNaN operation */
|
1344 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1345 | da1e7ac9 | aurel32 | } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) || |
1346 | da1e7ac9 | aurel32 | (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) { |
1347 | da1e7ac9 | aurel32 | /* Multiplication of zero by infinity */
|
1348 | da1e7ac9 | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ); |
1349 | 7c58044c | j_mayer | } else {
|
1350 | e864cabd | j_mayer | #ifdef FLOAT128
|
1351 | 7c58044c | j_mayer | /* This is the way the PowerPC specification defines it */
|
1352 | 7c58044c | j_mayer | float128 ft0_128, ft1_128; |
1353 | 7c58044c | j_mayer | |
1354 | af12906f | aurel32 | ft0_128 = float64_to_float128(farg1.d, &env->fp_status); |
1355 | af12906f | aurel32 | ft1_128 = float64_to_float128(farg2.d, &env->fp_status); |
1356 | 7c58044c | j_mayer | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); |
1357 | da1e7ac9 | aurel32 | if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
|
1358 | da1e7ac9 | aurel32 | float128_is_neg(ft0_128) == float64_is_neg(farg3.d))) { |
1359 | da1e7ac9 | aurel32 | /* Magnitude subtraction of infinities */
|
1360 | da1e7ac9 | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI); |
1361 | da1e7ac9 | aurel32 | } else {
|
1362 | da1e7ac9 | aurel32 | ft1_128 = float64_to_float128(farg3.d, &env->fp_status); |
1363 | da1e7ac9 | aurel32 | ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status); |
1364 | da1e7ac9 | aurel32 | farg1.d = float128_to_float64(ft0_128, &env->fp_status); |
1365 | da1e7ac9 | aurel32 | } |
1366 | e864cabd | j_mayer | #else
|
1367 | 7c58044c | j_mayer | /* This is OK on x86 hosts */
|
1368 | af12906f | aurel32 | farg1.d = (farg1.d * farg2.d) - farg3.d; |
1369 | e864cabd | j_mayer | #endif
|
1370 | 7c58044c | j_mayer | } |
1371 | af12906f | aurel32 | #else
|
1372 | af12906f | aurel32 | farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status); |
1373 | af12906f | aurel32 | farg1.d = float64_sub(farg1.d, farg3.d, &env->fp_status); |
1374 | af12906f | aurel32 | #endif
|
1375 | af12906f | aurel32 | return farg1.ll;
|
1376 | e864cabd | j_mayer | } |
1377 | e864cabd | j_mayer | |
1378 | af12906f | aurel32 | /* fnmadd - fnmadd. */
|
1379 | af12906f | aurel32 | uint64_t helper_fnmadd (uint64_t arg1, uint64_t arg2, uint64_t arg3) |
1380 | 4b3686fa | bellard | { |
1381 | af12906f | aurel32 | CPU_DoubleU farg1, farg2, farg3; |
1382 | af12906f | aurel32 | |
1383 | af12906f | aurel32 | farg1.ll = arg1; |
1384 | af12906f | aurel32 | farg2.ll = arg2; |
1385 | af12906f | aurel32 | farg3.ll = arg3; |
1386 | af12906f | aurel32 | |
1387 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg1.d) ||
|
1388 | af12906f | aurel32 | float64_is_signaling_nan(farg2.d) || |
1389 | af12906f | aurel32 | float64_is_signaling_nan(farg3.d))) { |
1390 | 7c58044c | j_mayer | /* sNaN operation */
|
1391 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1392 | da1e7ac9 | aurel32 | } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) || |
1393 | da1e7ac9 | aurel32 | (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) { |
1394 | da1e7ac9 | aurel32 | /* Multiplication of zero by infinity */
|
1395 | da1e7ac9 | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ); |
1396 | 7c58044c | j_mayer | } else {
|
1397 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1398 | e864cabd | j_mayer | #ifdef FLOAT128
|
1399 | 7c58044c | j_mayer | /* This is the way the PowerPC specification defines it */
|
1400 | 7c58044c | j_mayer | float128 ft0_128, ft1_128; |
1401 | 7c58044c | j_mayer | |
1402 | af12906f | aurel32 | ft0_128 = float64_to_float128(farg1.d, &env->fp_status); |
1403 | af12906f | aurel32 | ft1_128 = float64_to_float128(farg2.d, &env->fp_status); |
1404 | 7c58044c | j_mayer | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); |
1405 | da1e7ac9 | aurel32 | if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
|
1406 | da1e7ac9 | aurel32 | float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) { |
1407 | da1e7ac9 | aurel32 | /* Magnitude subtraction of infinities */
|
1408 | da1e7ac9 | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI); |
1409 | da1e7ac9 | aurel32 | } else {
|
1410 | da1e7ac9 | aurel32 | ft1_128 = float64_to_float128(farg3.d, &env->fp_status); |
1411 | da1e7ac9 | aurel32 | ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status); |
1412 | da1e7ac9 | aurel32 | farg1.d = float128_to_float64(ft0_128, &env->fp_status); |
1413 | da1e7ac9 | aurel32 | } |
1414 | e864cabd | j_mayer | #else
|
1415 | 7c58044c | j_mayer | /* This is OK on x86 hosts */
|
1416 | af12906f | aurel32 | farg1.d = (farg1.d * farg2.d) + farg3.d; |
1417 | e864cabd | j_mayer | #endif
|
1418 | e864cabd | j_mayer | #else
|
1419 | af12906f | aurel32 | farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status); |
1420 | af12906f | aurel32 | farg1.d = float64_add(farg1.d, farg3.d, &env->fp_status); |
1421 | e864cabd | j_mayer | #endif
|
1422 | a44d2ce1 | aurel32 | if (likely(!float64_is_nan(farg1.d)))
|
1423 | af12906f | aurel32 | farg1.d = float64_chs(farg1.d); |
1424 | 7c58044c | j_mayer | } |
1425 | af12906f | aurel32 | return farg1.ll;
|
1426 | 4b3686fa | bellard | } |
1427 | 4b3686fa | bellard | |
1428 | af12906f | aurel32 | /* fnmsub - fnmsub. */
|
1429 | af12906f | aurel32 | uint64_t helper_fnmsub (uint64_t arg1, uint64_t arg2, uint64_t arg3) |
1430 | 4b3686fa | bellard | { |
1431 | af12906f | aurel32 | CPU_DoubleU farg1, farg2, farg3; |
1432 | af12906f | aurel32 | |
1433 | af12906f | aurel32 | farg1.ll = arg1; |
1434 | af12906f | aurel32 | farg2.ll = arg2; |
1435 | af12906f | aurel32 | farg3.ll = arg3; |
1436 | af12906f | aurel32 | |
1437 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg1.d) ||
|
1438 | af12906f | aurel32 | float64_is_signaling_nan(farg2.d) || |
1439 | af12906f | aurel32 | float64_is_signaling_nan(farg3.d))) { |
1440 | 7c58044c | j_mayer | /* sNaN operation */
|
1441 | af12906f | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1442 | da1e7ac9 | aurel32 | } else if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) || |
1443 | da1e7ac9 | aurel32 | (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) { |
1444 | da1e7ac9 | aurel32 | /* Multiplication of zero by infinity */
|
1445 | da1e7ac9 | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ); |
1446 | 7c58044c | j_mayer | } else {
|
1447 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1448 | e864cabd | j_mayer | #ifdef FLOAT128
|
1449 | 7c58044c | j_mayer | /* This is the way the PowerPC specification defines it */
|
1450 | 7c58044c | j_mayer | float128 ft0_128, ft1_128; |
1451 | 7c58044c | j_mayer | |
1452 | af12906f | aurel32 | ft0_128 = float64_to_float128(farg1.d, &env->fp_status); |
1453 | af12906f | aurel32 | ft1_128 = float64_to_float128(farg2.d, &env->fp_status); |
1454 | 7c58044c | j_mayer | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); |
1455 | da1e7ac9 | aurel32 | if (unlikely(float128_is_infinity(ft0_128) && float64_is_infinity(farg3.d) &&
|
1456 | da1e7ac9 | aurel32 | float128_is_neg(ft0_128) == float64_is_neg(farg3.d))) { |
1457 | da1e7ac9 | aurel32 | /* Magnitude subtraction of infinities */
|
1458 | da1e7ac9 | aurel32 | farg1.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI); |
1459 | da1e7ac9 | aurel32 | } else {
|
1460 | da1e7ac9 | aurel32 | ft1_128 = float64_to_float128(farg3.d, &env->fp_status); |
1461 | da1e7ac9 | aurel32 | ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status); |
1462 | da1e7ac9 | aurel32 | farg1.d = float128_to_float64(ft0_128, &env->fp_status); |
1463 | da1e7ac9 | aurel32 | } |
1464 | e864cabd | j_mayer | #else
|
1465 | 7c58044c | j_mayer | /* This is OK on x86 hosts */
|
1466 | af12906f | aurel32 | farg1.d = (farg1.d * farg2.d) - farg3.d; |
1467 | e864cabd | j_mayer | #endif
|
1468 | e864cabd | j_mayer | #else
|
1469 | af12906f | aurel32 | farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status); |
1470 | af12906f | aurel32 | farg1.d = float64_sub(farg1.d, farg3.d, &env->fp_status); |
1471 | e864cabd | j_mayer | #endif
|
1472 | a44d2ce1 | aurel32 | if (likely(!float64_is_nan(farg1.d)))
|
1473 | af12906f | aurel32 | farg1.d = float64_chs(farg1.d); |
1474 | 7c58044c | j_mayer | } |
1475 | af12906f | aurel32 | return farg1.ll;
|
1476 | 1ef59d0a | bellard | } |
1477 | 1ef59d0a | bellard | |
1478 | af12906f | aurel32 | /* frsp - frsp. */
|
1479 | af12906f | aurel32 | uint64_t helper_frsp (uint64_t arg) |
1480 | 7c58044c | j_mayer | { |
1481 | af12906f | aurel32 | CPU_DoubleU farg; |
1482 | 6ad193ed | aurel32 | float32 f32; |
1483 | af12906f | aurel32 | farg.ll = arg; |
1484 | af12906f | aurel32 | |
1485 | af12906f | aurel32 | #if USE_PRECISE_EMULATION
|
1486 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg.d))) {
|
1487 | 7c58044c | j_mayer | /* sNaN square root */
|
1488 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1489 | 7c58044c | j_mayer | } else {
|
1490 | 6ad193ed | aurel32 | f32 = float64_to_float32(farg.d, &env->fp_status); |
1491 | 6ad193ed | aurel32 | farg.d = float32_to_float64(f32, &env->fp_status); |
1492 | 7c58044c | j_mayer | } |
1493 | af12906f | aurel32 | #else
|
1494 | 6ad193ed | aurel32 | f32 = float64_to_float32(farg.d, &env->fp_status); |
1495 | 6ad193ed | aurel32 | farg.d = float32_to_float64(f32, &env->fp_status); |
1496 | af12906f | aurel32 | #endif
|
1497 | af12906f | aurel32 | return farg.ll;
|
1498 | 7c58044c | j_mayer | } |
1499 | 7c58044c | j_mayer | |
1500 | af12906f | aurel32 | /* fsqrt - fsqrt. */
|
1501 | af12906f | aurel32 | uint64_t helper_fsqrt (uint64_t arg) |
1502 | 9a64fbe4 | bellard | { |
1503 | af12906f | aurel32 | CPU_DoubleU farg; |
1504 | af12906f | aurel32 | farg.ll = arg; |
1505 | af12906f | aurel32 | |
1506 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg.d))) {
|
1507 | 7c58044c | j_mayer | /* sNaN square root */
|
1508 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1509 | f23c346e | aurel32 | } else if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) { |
1510 | 7c58044c | j_mayer | /* Square root of a negative nonzero number */
|
1511 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT); |
1512 | 7c58044c | j_mayer | } else {
|
1513 | af12906f | aurel32 | farg.d = float64_sqrt(farg.d, &env->fp_status); |
1514 | 7c58044c | j_mayer | } |
1515 | af12906f | aurel32 | return farg.ll;
|
1516 | 9a64fbe4 | bellard | } |
1517 | 9a64fbe4 | bellard | |
1518 | af12906f | aurel32 | /* fre - fre. */
|
1519 | af12906f | aurel32 | uint64_t helper_fre (uint64_t arg) |
1520 | d7e4b87e | j_mayer | { |
1521 | 05b93603 | aurel32 | CPU_DoubleU fone, farg; |
1522 | 01feec08 | aurel32 | fone.ll = 0x3FF0000000000000ULL; /* 1.0 */ |
1523 | af12906f | aurel32 | farg.ll = arg; |
1524 | d7e4b87e | j_mayer | |
1525 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg.d))) {
|
1526 | 7c58044c | j_mayer | /* sNaN reciprocal */
|
1527 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1528 | f23c346e | aurel32 | } else if (unlikely(float64_is_zero(farg.d))) { |
1529 | 7c58044c | j_mayer | /* Zero reciprocal */
|
1530 | 05b93603 | aurel32 | farg.ll = float_zero_divide_excp(fone.d, farg.d); |
1531 | af12906f | aurel32 | } else if (likely(isnormal(farg.d))) { |
1532 | 05b93603 | aurel32 | farg.d = float64_div(fone.d, farg.d, &env->fp_status); |
1533 | d7e4b87e | j_mayer | } else {
|
1534 | af12906f | aurel32 | if (farg.ll == 0x8000000000000000ULL) { |
1535 | af12906f | aurel32 | farg.ll = 0xFFF0000000000000ULL;
|
1536 | af12906f | aurel32 | } else if (farg.ll == 0x0000000000000000ULL) { |
1537 | af12906f | aurel32 | farg.ll = 0x7FF0000000000000ULL;
|
1538 | a44d2ce1 | aurel32 | } else if (float64_is_nan(farg.d)) { |
1539 | af12906f | aurel32 | farg.ll = 0x7FF8000000000000ULL;
|
1540 | f23c346e | aurel32 | } else if (float64_is_neg(farg.d)) { |
1541 | af12906f | aurel32 | farg.ll = 0x8000000000000000ULL;
|
1542 | d7e4b87e | j_mayer | } else {
|
1543 | af12906f | aurel32 | farg.ll = 0x0000000000000000ULL;
|
1544 | d7e4b87e | j_mayer | } |
1545 | d7e4b87e | j_mayer | } |
1546 | af12906f | aurel32 | return farg.d;
|
1547 | d7e4b87e | j_mayer | } |
1548 | d7e4b87e | j_mayer | |
1549 | af12906f | aurel32 | /* fres - fres. */
|
1550 | af12906f | aurel32 | uint64_t helper_fres (uint64_t arg) |
1551 | 9a64fbe4 | bellard | { |
1552 | 05b93603 | aurel32 | CPU_DoubleU fone, farg; |
1553 | 01feec08 | aurel32 | fone.ll = 0x3FF0000000000000ULL; /* 1.0 */ |
1554 | af12906f | aurel32 | farg.ll = arg; |
1555 | 4ecc3190 | bellard | |
1556 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg.d))) {
|
1557 | 7c58044c | j_mayer | /* sNaN reciprocal */
|
1558 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1559 | f23c346e | aurel32 | } else if (unlikely(float64_is_zero(farg.d))) { |
1560 | 7c58044c | j_mayer | /* Zero reciprocal */
|
1561 | 05b93603 | aurel32 | farg.ll = float_zero_divide_excp(fone.d, farg.d); |
1562 | af12906f | aurel32 | } else if (likely(isnormal(farg.d))) { |
1563 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1564 | 05b93603 | aurel32 | farg.d = float64_div(fone.d, farg.d, &env->fp_status); |
1565 | af12906f | aurel32 | farg.d = float64_to_float32(farg.d, &env->fp_status); |
1566 | e864cabd | j_mayer | #else
|
1567 | 05b93603 | aurel32 | farg.d = float32_div(fone.d, farg.d, &env->fp_status); |
1568 | e864cabd | j_mayer | #endif
|
1569 | 4ecc3190 | bellard | } else {
|
1570 | af12906f | aurel32 | if (farg.ll == 0x8000000000000000ULL) { |
1571 | af12906f | aurel32 | farg.ll = 0xFFF0000000000000ULL;
|
1572 | af12906f | aurel32 | } else if (farg.ll == 0x0000000000000000ULL) { |
1573 | af12906f | aurel32 | farg.ll = 0x7FF0000000000000ULL;
|
1574 | a44d2ce1 | aurel32 | } else if (float64_is_nan(farg.d)) { |
1575 | af12906f | aurel32 | farg.ll = 0x7FF8000000000000ULL;
|
1576 | f23c346e | aurel32 | } else if (float64_is_neg(farg.d)) { |
1577 | af12906f | aurel32 | farg.ll = 0x8000000000000000ULL;
|
1578 | 4ecc3190 | bellard | } else {
|
1579 | af12906f | aurel32 | farg.ll = 0x0000000000000000ULL;
|
1580 | 4ecc3190 | bellard | } |
1581 | 4ecc3190 | bellard | } |
1582 | af12906f | aurel32 | return farg.ll;
|
1583 | 9a64fbe4 | bellard | } |
1584 | 9a64fbe4 | bellard | |
1585 | af12906f | aurel32 | /* frsqrte - frsqrte. */
|
1586 | af12906f | aurel32 | uint64_t helper_frsqrte (uint64_t arg) |
1587 | 9a64fbe4 | bellard | { |
1588 | 05b93603 | aurel32 | CPU_DoubleU fone, farg; |
1589 | 01feec08 | aurel32 | fone.ll = 0x3FF0000000000000ULL; /* 1.0 */ |
1590 | af12906f | aurel32 | farg.ll = arg; |
1591 | 4ecc3190 | bellard | |
1592 | af12906f | aurel32 | if (unlikely(float64_is_signaling_nan(farg.d))) {
|
1593 | 7c58044c | j_mayer | /* sNaN reciprocal square root */
|
1594 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1595 | f23c346e | aurel32 | } else if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) { |
1596 | 7c58044c | j_mayer | /* Reciprocal square root of a negative nonzero number */
|
1597 | af12906f | aurel32 | farg.ll = fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT); |
1598 | af12906f | aurel32 | } else if (likely(isnormal(farg.d))) { |
1599 | af12906f | aurel32 | farg.d = float64_sqrt(farg.d, &env->fp_status); |
1600 | 05b93603 | aurel32 | farg.d = float32_div(fone.d, farg.d, &env->fp_status); |
1601 | 4ecc3190 | bellard | } else {
|
1602 | af12906f | aurel32 | if (farg.ll == 0x8000000000000000ULL) { |
1603 | af12906f | aurel32 | farg.ll = 0xFFF0000000000000ULL;
|
1604 | af12906f | aurel32 | } else if (farg.ll == 0x0000000000000000ULL) { |
1605 | af12906f | aurel32 | farg.ll = 0x7FF0000000000000ULL;
|
1606 | a44d2ce1 | aurel32 | } else if (float64_is_nan(farg.d)) { |
1607 | af12906f | aurel32 | farg.ll |= 0x000FFFFFFFFFFFFFULL;
|
1608 | f23c346e | aurel32 | } else if (float64_is_neg(farg.d)) { |
1609 | af12906f | aurel32 | farg.ll = 0x7FF8000000000000ULL;
|
1610 | 4ecc3190 | bellard | } else {
|
1611 | af12906f | aurel32 | farg.ll = 0x0000000000000000ULL;
|
1612 | 4ecc3190 | bellard | } |
1613 | 4ecc3190 | bellard | } |
1614 | af12906f | aurel32 | return farg.ll;
|
1615 | 9a64fbe4 | bellard | } |
1616 | 9a64fbe4 | bellard | |
1617 | af12906f | aurel32 | /* fsel - fsel. */
|
1618 | af12906f | aurel32 | uint64_t helper_fsel (uint64_t arg1, uint64_t arg2, uint64_t arg3) |
1619 | 9a64fbe4 | bellard | { |
1620 | 6ad7365a | aurel32 | CPU_DoubleU farg1; |
1621 | af12906f | aurel32 | |
1622 | af12906f | aurel32 | farg1.ll = arg1; |
1623 | af12906f | aurel32 | |
1624 | f23c346e | aurel32 | if (!float64_is_neg(farg1.d) || float64_is_zero(farg1.d))
|
1625 | 6ad7365a | aurel32 | return arg2;
|
1626 | 4ecc3190 | bellard | else
|
1627 | 6ad7365a | aurel32 | return arg3;
|
1628 | 9a64fbe4 | bellard | } |
1629 | 9a64fbe4 | bellard | |
1630 | 9a819377 | aurel32 | void helper_fcmpu (uint64_t arg1, uint64_t arg2, uint32_t crfD)
|
1631 | 9a64fbe4 | bellard | { |
1632 | af12906f | aurel32 | CPU_DoubleU farg1, farg2; |
1633 | e1571908 | aurel32 | uint32_t ret = 0;
|
1634 | af12906f | aurel32 | farg1.ll = arg1; |
1635 | af12906f | aurel32 | farg2.ll = arg2; |
1636 | e1571908 | aurel32 | |
1637 | 9a819377 | aurel32 | if (unlikely(float64_is_nan(farg1.d) ||
|
1638 | 9a819377 | aurel32 | float64_is_nan(farg2.d))) { |
1639 | 9a819377 | aurel32 | ret = 0x01UL;
|
1640 | 9a819377 | aurel32 | } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) { |
1641 | 9a819377 | aurel32 | ret = 0x08UL;
|
1642 | 9a819377 | aurel32 | } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) { |
1643 | 9a819377 | aurel32 | ret = 0x04UL;
|
1644 | 7c58044c | j_mayer | } else {
|
1645 | 9a819377 | aurel32 | ret = 0x02UL;
|
1646 | 9a64fbe4 | bellard | } |
1647 | 9a819377 | aurel32 | |
1648 | 7c58044c | j_mayer | env->fpscr &= ~(0x0F << FPSCR_FPRF);
|
1649 | e1571908 | aurel32 | env->fpscr |= ret << FPSCR_FPRF; |
1650 | 9a819377 | aurel32 | env->crf[crfD] = ret; |
1651 | 9a819377 | aurel32 | if (unlikely(ret == 0x01UL |
1652 | 9a819377 | aurel32 | && (float64_is_signaling_nan(farg1.d) || |
1653 | 9a819377 | aurel32 | float64_is_signaling_nan(farg2.d)))) { |
1654 | 9a819377 | aurel32 | /* sNaN comparison */
|
1655 | 9a819377 | aurel32 | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1656 | 9a819377 | aurel32 | } |
1657 | 9a64fbe4 | bellard | } |
1658 | 9a64fbe4 | bellard | |
1659 | 9a819377 | aurel32 | void helper_fcmpo (uint64_t arg1, uint64_t arg2, uint32_t crfD)
|
1660 | 9a64fbe4 | bellard | { |
1661 | af12906f | aurel32 | CPU_DoubleU farg1, farg2; |
1662 | e1571908 | aurel32 | uint32_t ret = 0;
|
1663 | af12906f | aurel32 | farg1.ll = arg1; |
1664 | af12906f | aurel32 | farg2.ll = arg2; |
1665 | e1571908 | aurel32 | |
1666 | af12906f | aurel32 | if (unlikely(float64_is_nan(farg1.d) ||
|
1667 | af12906f | aurel32 | float64_is_nan(farg2.d))) { |
1668 | 9a819377 | aurel32 | ret = 0x01UL;
|
1669 | 9a819377 | aurel32 | } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) { |
1670 | 9a819377 | aurel32 | ret = 0x08UL;
|
1671 | 9a819377 | aurel32 | } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) { |
1672 | 9a819377 | aurel32 | ret = 0x04UL;
|
1673 | 9a819377 | aurel32 | } else {
|
1674 | 9a819377 | aurel32 | ret = 0x02UL;
|
1675 | 9a819377 | aurel32 | } |
1676 | 9a819377 | aurel32 | |
1677 | 9a819377 | aurel32 | env->fpscr &= ~(0x0F << FPSCR_FPRF);
|
1678 | 9a819377 | aurel32 | env->fpscr |= ret << FPSCR_FPRF; |
1679 | 9a819377 | aurel32 | env->crf[crfD] = ret; |
1680 | 9a819377 | aurel32 | if (unlikely (ret == 0x01UL)) { |
1681 | af12906f | aurel32 | if (float64_is_signaling_nan(farg1.d) ||
|
1682 | af12906f | aurel32 | float64_is_signaling_nan(farg2.d)) { |
1683 | 7c58044c | j_mayer | /* sNaN comparison */
|
1684 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | |
1685 | 7c58044c | j_mayer | POWERPC_EXCP_FP_VXVC); |
1686 | 7c58044c | j_mayer | } else {
|
1687 | 7c58044c | j_mayer | /* qNaN comparison */
|
1688 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXVC); |
1689 | 7c58044c | j_mayer | } |
1690 | 9a64fbe4 | bellard | } |
1691 | 9a64fbe4 | bellard | } |
1692 | 9a64fbe4 | bellard | |
1693 | 76a66253 | j_mayer | #if !defined (CONFIG_USER_ONLY)
|
1694 | 6527f6ea | aurel32 | void helper_store_msr (target_ulong val)
|
1695 | 0411a972 | j_mayer | { |
1696 | 6527f6ea | aurel32 | val = hreg_store_msr(env, val, 0);
|
1697 | 6527f6ea | aurel32 | if (val != 0) { |
1698 | 0411a972 | j_mayer | env->interrupt_request |= CPU_INTERRUPT_EXITTB; |
1699 | e06fcd75 | aurel32 | helper_raise_exception(val); |
1700 | 0411a972 | j_mayer | } |
1701 | 0411a972 | j_mayer | } |
1702 | 0411a972 | j_mayer | |
1703 | d72a19f7 | aurel32 | static always_inline void do_rfi (target_ulong nip, target_ulong msr, |
1704 | 0411a972 | j_mayer | target_ulong msrm, int keep_msrh)
|
1705 | 9a64fbe4 | bellard | { |
1706 | 426613db | j_mayer | #if defined(TARGET_PPC64)
|
1707 | 0411a972 | j_mayer | if (msr & (1ULL << MSR_SF)) { |
1708 | 0411a972 | j_mayer | nip = (uint64_t)nip; |
1709 | 0411a972 | j_mayer | msr &= (uint64_t)msrm; |
1710 | a42bd6cc | j_mayer | } else {
|
1711 | 0411a972 | j_mayer | nip = (uint32_t)nip; |
1712 | 0411a972 | j_mayer | msr = (uint32_t)(msr & msrm); |
1713 | 0411a972 | j_mayer | if (keep_msrh)
|
1714 | 0411a972 | j_mayer | msr |= env->msr & ~((uint64_t)0xFFFFFFFF);
|
1715 | a42bd6cc | j_mayer | } |
1716 | 426613db | j_mayer | #else
|
1717 | 0411a972 | j_mayer | nip = (uint32_t)nip; |
1718 | 0411a972 | j_mayer | msr &= (uint32_t)msrm; |
1719 | 426613db | j_mayer | #endif
|
1720 | 0411a972 | j_mayer | /* XXX: beware: this is false if VLE is supported */
|
1721 | 0411a972 | j_mayer | env->nip = nip & ~((target_ulong)0x00000003);
|
1722 | a4f30719 | j_mayer | hreg_store_msr(env, msr, 1);
|
1723 | fdabc366 | bellard | #if defined (DEBUG_OP)
|
1724 | 0411a972 | j_mayer | cpu_dump_rfi(env->nip, env->msr); |
1725 | fdabc366 | bellard | #endif
|
1726 | 0411a972 | j_mayer | /* No need to raise an exception here,
|
1727 | 0411a972 | j_mayer | * as rfi is always the last insn of a TB
|
1728 | 0411a972 | j_mayer | */
|
1729 | fdabc366 | bellard | env->interrupt_request |= CPU_INTERRUPT_EXITTB; |
1730 | 9a64fbe4 | bellard | } |
1731 | d9bce9d9 | j_mayer | |
1732 | d72a19f7 | aurel32 | void helper_rfi (void) |
1733 | 0411a972 | j_mayer | { |
1734 | d72a19f7 | aurel32 | do_rfi(env->spr[SPR_SRR0], env->spr[SPR_SRR1], |
1735 | d72a19f7 | aurel32 | ~((target_ulong)0xFFFF0000), 1); |
1736 | 0411a972 | j_mayer | } |
1737 | 0411a972 | j_mayer | |
1738 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
1739 | d72a19f7 | aurel32 | void helper_rfid (void) |
1740 | 426613db | j_mayer | { |
1741 | d72a19f7 | aurel32 | do_rfi(env->spr[SPR_SRR0], env->spr[SPR_SRR1], |
1742 | d72a19f7 | aurel32 | ~((target_ulong)0xFFFF0000), 0); |
1743 | d9bce9d9 | j_mayer | } |
1744 | 7863667f | j_mayer | |
1745 | d72a19f7 | aurel32 | void helper_hrfid (void) |
1746 | be147d08 | j_mayer | { |
1747 | d72a19f7 | aurel32 | do_rfi(env->spr[SPR_HSRR0], env->spr[SPR_HSRR1], |
1748 | d72a19f7 | aurel32 | ~((target_ulong)0xFFFF0000), 0); |
1749 | be147d08 | j_mayer | } |
1750 | be147d08 | j_mayer | #endif
|
1751 | 76a66253 | j_mayer | #endif
|
1752 | 9a64fbe4 | bellard | |
1753 | cab3bee2 | aurel32 | void helper_tw (target_ulong arg1, target_ulong arg2, uint32_t flags)
|
1754 | 9a64fbe4 | bellard | { |
1755 | cab3bee2 | aurel32 | if (!likely(!(((int32_t)arg1 < (int32_t)arg2 && (flags & 0x10)) || |
1756 | cab3bee2 | aurel32 | ((int32_t)arg1 > (int32_t)arg2 && (flags & 0x08)) ||
|
1757 | cab3bee2 | aurel32 | ((int32_t)arg1 == (int32_t)arg2 && (flags & 0x04)) ||
|
1758 | cab3bee2 | aurel32 | ((uint32_t)arg1 < (uint32_t)arg2 && (flags & 0x02)) ||
|
1759 | cab3bee2 | aurel32 | ((uint32_t)arg1 > (uint32_t)arg2 && (flags & 0x01))))) {
|
1760 | e06fcd75 | aurel32 | helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP); |
1761 | a42bd6cc | j_mayer | } |
1762 | 9a64fbe4 | bellard | } |
1763 | 9a64fbe4 | bellard | |
1764 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
1765 | cab3bee2 | aurel32 | void helper_td (target_ulong arg1, target_ulong arg2, uint32_t flags)
|
1766 | d9bce9d9 | j_mayer | { |
1767 | cab3bee2 | aurel32 | if (!likely(!(((int64_t)arg1 < (int64_t)arg2 && (flags & 0x10)) || |
1768 | cab3bee2 | aurel32 | ((int64_t)arg1 > (int64_t)arg2 && (flags & 0x08)) ||
|
1769 | cab3bee2 | aurel32 | ((int64_t)arg1 == (int64_t)arg2 && (flags & 0x04)) ||
|
1770 | cab3bee2 | aurel32 | ((uint64_t)arg1 < (uint64_t)arg2 && (flags & 0x02)) ||
|
1771 | cab3bee2 | aurel32 | ((uint64_t)arg1 > (uint64_t)arg2 && (flags & 0x01)))))
|
1772 | e06fcd75 | aurel32 | helper_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP); |
1773 | d9bce9d9 | j_mayer | } |
1774 | d9bce9d9 | j_mayer | #endif
|
1775 | d9bce9d9 | j_mayer | |
1776 | fdabc366 | bellard | /*****************************************************************************/
|
1777 | 76a66253 | j_mayer | /* PowerPC 601 specific instructions (POWER bridge) */
|
1778 | 9a64fbe4 | bellard | |
1779 | 22e0e173 | aurel32 | target_ulong helper_clcs (uint32_t arg) |
1780 | 9a64fbe4 | bellard | { |
1781 | 22e0e173 | aurel32 | switch (arg) {
|
1782 | 76a66253 | j_mayer | case 0x0CUL: |
1783 | 76a66253 | j_mayer | /* Instruction cache line size */
|
1784 | 22e0e173 | aurel32 | return env->icache_line_size;
|
1785 | 76a66253 | j_mayer | break;
|
1786 | 76a66253 | j_mayer | case 0x0DUL: |
1787 | 76a66253 | j_mayer | /* Data cache line size */
|
1788 | 22e0e173 | aurel32 | return env->dcache_line_size;
|
1789 | 76a66253 | j_mayer | break;
|
1790 | 76a66253 | j_mayer | case 0x0EUL: |
1791 | 76a66253 | j_mayer | /* Minimum cache line size */
|
1792 | 22e0e173 | aurel32 | return (env->icache_line_size < env->dcache_line_size) ?
|
1793 | 22e0e173 | aurel32 | env->icache_line_size : env->dcache_line_size; |
1794 | 76a66253 | j_mayer | break;
|
1795 | 76a66253 | j_mayer | case 0x0FUL: |
1796 | 76a66253 | j_mayer | /* Maximum cache line size */
|
1797 | 22e0e173 | aurel32 | return (env->icache_line_size > env->dcache_line_size) ?
|
1798 | 22e0e173 | aurel32 | env->icache_line_size : env->dcache_line_size; |
1799 | 76a66253 | j_mayer | break;
|
1800 | 76a66253 | j_mayer | default:
|
1801 | 76a66253 | j_mayer | /* Undefined */
|
1802 | 22e0e173 | aurel32 | return 0; |
1803 | 76a66253 | j_mayer | break;
|
1804 | 76a66253 | j_mayer | } |
1805 | 76a66253 | j_mayer | } |
1806 | 76a66253 | j_mayer | |
1807 | 22e0e173 | aurel32 | target_ulong helper_div (target_ulong arg1, target_ulong arg2) |
1808 | 76a66253 | j_mayer | { |
1809 | 22e0e173 | aurel32 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ];
|
1810 | 76a66253 | j_mayer | |
1811 | 22e0e173 | aurel32 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || |
1812 | 22e0e173 | aurel32 | (int32_t)arg2 == 0) {
|
1813 | 76a66253 | j_mayer | env->spr[SPR_MQ] = 0;
|
1814 | 22e0e173 | aurel32 | return INT32_MIN;
|
1815 | 76a66253 | j_mayer | } else {
|
1816 | 22e0e173 | aurel32 | env->spr[SPR_MQ] = tmp % arg2; |
1817 | 22e0e173 | aurel32 | return tmp / (int32_t)arg2;
|
1818 | 76a66253 | j_mayer | } |
1819 | 76a66253 | j_mayer | } |
1820 | 76a66253 | j_mayer | |
1821 | 22e0e173 | aurel32 | target_ulong helper_divo (target_ulong arg1, target_ulong arg2) |
1822 | 76a66253 | j_mayer | { |
1823 | 22e0e173 | aurel32 | uint64_t tmp = (uint64_t)arg1 << 32 | env->spr[SPR_MQ];
|
1824 | 76a66253 | j_mayer | |
1825 | 22e0e173 | aurel32 | if (((int32_t)tmp == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || |
1826 | 22e0e173 | aurel32 | (int32_t)arg2 == 0) {
|
1827 | 3d7b417e | aurel32 | env->xer |= (1 << XER_OV) | (1 << XER_SO); |
1828 | 76a66253 | j_mayer | env->spr[SPR_MQ] = 0;
|
1829 | 22e0e173 | aurel32 | return INT32_MIN;
|
1830 | 76a66253 | j_mayer | } else {
|
1831 | 22e0e173 | aurel32 | env->spr[SPR_MQ] = tmp % arg2; |
1832 | 22e0e173 | aurel32 | tmp /= (int32_t)arg2; |
1833 | 22e0e173 | aurel32 | if ((int32_t)tmp != tmp) {
|
1834 | 3d7b417e | aurel32 | env->xer |= (1 << XER_OV) | (1 << XER_SO); |
1835 | 76a66253 | j_mayer | } else {
|
1836 | 3d7b417e | aurel32 | env->xer &= ~(1 << XER_OV);
|
1837 | 76a66253 | j_mayer | } |
1838 | 22e0e173 | aurel32 | return tmp;
|
1839 | 76a66253 | j_mayer | } |
1840 | 76a66253 | j_mayer | } |
1841 | 76a66253 | j_mayer | |
1842 | 22e0e173 | aurel32 | target_ulong helper_divs (target_ulong arg1, target_ulong arg2) |
1843 | 76a66253 | j_mayer | { |
1844 | 22e0e173 | aurel32 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || |
1845 | 22e0e173 | aurel32 | (int32_t)arg2 == 0) {
|
1846 | 22e0e173 | aurel32 | env->spr[SPR_MQ] = 0;
|
1847 | 22e0e173 | aurel32 | return INT32_MIN;
|
1848 | 76a66253 | j_mayer | } else {
|
1849 | 22e0e173 | aurel32 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; |
1850 | 22e0e173 | aurel32 | return (int32_t)arg1 / (int32_t)arg2;
|
1851 | 76a66253 | j_mayer | } |
1852 | 76a66253 | j_mayer | } |
1853 | 76a66253 | j_mayer | |
1854 | 22e0e173 | aurel32 | target_ulong helper_divso (target_ulong arg1, target_ulong arg2) |
1855 | 76a66253 | j_mayer | { |
1856 | 22e0e173 | aurel32 | if (((int32_t)arg1 == INT32_MIN && (int32_t)arg2 == (int32_t)-1) || |
1857 | 22e0e173 | aurel32 | (int32_t)arg2 == 0) {
|
1858 | 3d7b417e | aurel32 | env->xer |= (1 << XER_OV) | (1 << XER_SO); |
1859 | 22e0e173 | aurel32 | env->spr[SPR_MQ] = 0;
|
1860 | 22e0e173 | aurel32 | return INT32_MIN;
|
1861 | 76a66253 | j_mayer | } else {
|
1862 | 3d7b417e | aurel32 | env->xer &= ~(1 << XER_OV);
|
1863 | 22e0e173 | aurel32 | env->spr[SPR_MQ] = (int32_t)arg1 % (int32_t)arg2; |
1864 | 22e0e173 | aurel32 | return (int32_t)arg1 / (int32_t)arg2;
|
1865 | 76a66253 | j_mayer | } |
1866 | 76a66253 | j_mayer | } |
1867 | 76a66253 | j_mayer | |
1868 | 76a66253 | j_mayer | #if !defined (CONFIG_USER_ONLY)
|
1869 | 22e0e173 | aurel32 | target_ulong helper_rac (target_ulong addr) |
1870 | 76a66253 | j_mayer | { |
1871 | 76a66253 | j_mayer | mmu_ctx_t ctx; |
1872 | faadf50e | j_mayer | int nb_BATs;
|
1873 | 22e0e173 | aurel32 | target_ulong ret = 0;
|
1874 | 76a66253 | j_mayer | |
1875 | 76a66253 | j_mayer | /* We don't have to generate many instances of this instruction,
|
1876 | 76a66253 | j_mayer | * as rac is supervisor only.
|
1877 | 76a66253 | j_mayer | */
|
1878 | faadf50e | j_mayer | /* XXX: FIX THIS: Pretend we have no BAT */
|
1879 | faadf50e | j_mayer | nb_BATs = env->nb_BATs; |
1880 | faadf50e | j_mayer | env->nb_BATs = 0;
|
1881 | 22e0e173 | aurel32 | if (get_physical_address(env, &ctx, addr, 0, ACCESS_INT) == 0) |
1882 | 22e0e173 | aurel32 | ret = ctx.raddr; |
1883 | faadf50e | j_mayer | env->nb_BATs = nb_BATs; |
1884 | 22e0e173 | aurel32 | return ret;
|
1885 | 76a66253 | j_mayer | } |
1886 | 76a66253 | j_mayer | |
1887 | d72a19f7 | aurel32 | void helper_rfsvc (void) |
1888 | 76a66253 | j_mayer | { |
1889 | d72a19f7 | aurel32 | do_rfi(env->lr, env->ctr, 0x0000FFFF, 0); |
1890 | 76a66253 | j_mayer | } |
1891 | 76a66253 | j_mayer | #endif
|
1892 | 76a66253 | j_mayer | |
1893 | 76a66253 | j_mayer | /*****************************************************************************/
|
1894 | 76a66253 | j_mayer | /* 602 specific instructions */
|
1895 | 76a66253 | j_mayer | /* mfrom is the most crazy instruction ever seen, imho ! */
|
1896 | 76a66253 | j_mayer | /* Real implementation uses a ROM table. Do the same */
|
1897 | 5e9ae189 | aurel32 | /* Extremly decomposed:
|
1898 | 5e9ae189 | aurel32 | * -arg / 256
|
1899 | 5e9ae189 | aurel32 | * return 256 * log10(10 + 1.0) + 0.5
|
1900 | 5e9ae189 | aurel32 | */
|
1901 | db9a16a7 | aurel32 | #if !defined (CONFIG_USER_ONLY)
|
1902 | cf02a65c | aurel32 | target_ulong helper_602_mfrom (target_ulong arg) |
1903 | 76a66253 | j_mayer | { |
1904 | cf02a65c | aurel32 | if (likely(arg < 602)) { |
1905 | 76a66253 | j_mayer | #include "mfrom_table.c" |
1906 | 45d827d2 | aurel32 | return mfrom_ROM_table[arg];
|
1907 | 76a66253 | j_mayer | } else {
|
1908 | cf02a65c | aurel32 | return 0; |
1909 | 76a66253 | j_mayer | } |
1910 | 76a66253 | j_mayer | } |
1911 | db9a16a7 | aurel32 | #endif
|
1912 | 76a66253 | j_mayer | |
1913 | 76a66253 | j_mayer | /*****************************************************************************/
|
1914 | 76a66253 | j_mayer | /* Embedded PowerPC specific helpers */
|
1915 | 76a66253 | j_mayer | |
1916 | a750fc0b | j_mayer | /* XXX: to be improved to check access rights when in user-mode */
|
1917 | 06dca6a7 | aurel32 | target_ulong helper_load_dcr (target_ulong dcrn) |
1918 | a750fc0b | j_mayer | { |
1919 | 06dca6a7 | aurel32 | target_ulong val = 0;
|
1920 | a750fc0b | j_mayer | |
1921 | a750fc0b | j_mayer | if (unlikely(env->dcr_env == NULL)) { |
1922 | a750fc0b | j_mayer | if (loglevel != 0) { |
1923 | a750fc0b | j_mayer | fprintf(logfile, "No DCR environment\n");
|
1924 | a750fc0b | j_mayer | } |
1925 | e06fcd75 | aurel32 | helper_raise_exception_err(POWERPC_EXCP_PROGRAM, |
1926 | e06fcd75 | aurel32 | POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL); |
1927 | 06dca6a7 | aurel32 | } else if (unlikely(ppc_dcr_read(env->dcr_env, dcrn, &val) != 0)) { |
1928 | a750fc0b | j_mayer | if (loglevel != 0) { |
1929 | 45d827d2 | aurel32 | fprintf(logfile, "DCR read error %d %03x\n", (int)dcrn, (int)dcrn); |
1930 | a750fc0b | j_mayer | } |
1931 | e06fcd75 | aurel32 | helper_raise_exception_err(POWERPC_EXCP_PROGRAM, |
1932 | e06fcd75 | aurel32 | POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG); |
1933 | a750fc0b | j_mayer | } |
1934 | 06dca6a7 | aurel32 | return val;
|
1935 | a750fc0b | j_mayer | } |
1936 | a750fc0b | j_mayer | |
1937 | 06dca6a7 | aurel32 | void helper_store_dcr (target_ulong dcrn, target_ulong val)
|
1938 | a750fc0b | j_mayer | { |
1939 | a750fc0b | j_mayer | if (unlikely(env->dcr_env == NULL)) { |
1940 | a750fc0b | j_mayer | if (loglevel != 0) { |
1941 | a750fc0b | j_mayer | fprintf(logfile, "No DCR environment\n");
|
1942 | a750fc0b | j_mayer | } |
1943 | e06fcd75 | aurel32 | helper_raise_exception_err(POWERPC_EXCP_PROGRAM, |
1944 | e06fcd75 | aurel32 | POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL); |
1945 | 06dca6a7 | aurel32 | } else if (unlikely(ppc_dcr_write(env->dcr_env, dcrn, val) != 0)) { |
1946 | a750fc0b | j_mayer | if (loglevel != 0) { |
1947 | 45d827d2 | aurel32 | fprintf(logfile, "DCR write error %d %03x\n", (int)dcrn, (int)dcrn); |
1948 | a750fc0b | j_mayer | } |
1949 | e06fcd75 | aurel32 | helper_raise_exception_err(POWERPC_EXCP_PROGRAM, |
1950 | e06fcd75 | aurel32 | POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG); |
1951 | a750fc0b | j_mayer | } |
1952 | a750fc0b | j_mayer | } |
1953 | a750fc0b | j_mayer | |
1954 | 76a66253 | j_mayer | #if !defined(CONFIG_USER_ONLY)
|
1955 | d72a19f7 | aurel32 | void helper_40x_rfci (void) |
1956 | 76a66253 | j_mayer | { |
1957 | d72a19f7 | aurel32 | do_rfi(env->spr[SPR_40x_SRR2], env->spr[SPR_40x_SRR3], |
1958 | d72a19f7 | aurel32 | ~((target_ulong)0xFFFF0000), 0); |
1959 | a42bd6cc | j_mayer | } |
1960 | a42bd6cc | j_mayer | |
1961 | d72a19f7 | aurel32 | void helper_rfci (void) |
1962 | a42bd6cc | j_mayer | { |
1963 | d72a19f7 | aurel32 | do_rfi(env->spr[SPR_BOOKE_CSRR0], SPR_BOOKE_CSRR1, |
1964 | d72a19f7 | aurel32 | ~((target_ulong)0x3FFF0000), 0); |
1965 | a42bd6cc | j_mayer | } |
1966 | a42bd6cc | j_mayer | |
1967 | d72a19f7 | aurel32 | void helper_rfdi (void) |
1968 | a42bd6cc | j_mayer | { |
1969 | d72a19f7 | aurel32 | do_rfi(env->spr[SPR_BOOKE_DSRR0], SPR_BOOKE_DSRR1, |
1970 | d72a19f7 | aurel32 | ~((target_ulong)0x3FFF0000), 0); |
1971 | a42bd6cc | j_mayer | } |
1972 | a42bd6cc | j_mayer | |
1973 | d72a19f7 | aurel32 | void helper_rfmci (void) |
1974 | a42bd6cc | j_mayer | { |
1975 | d72a19f7 | aurel32 | do_rfi(env->spr[SPR_BOOKE_MCSRR0], SPR_BOOKE_MCSRR1, |
1976 | d72a19f7 | aurel32 | ~((target_ulong)0x3FFF0000), 0); |
1977 | 76a66253 | j_mayer | } |
1978 | 76a66253 | j_mayer | #endif
|
1979 | 76a66253 | j_mayer | |
1980 | 76a66253 | j_mayer | /* 440 specific */
|
1981 | ef0d51af | aurel32 | target_ulong helper_dlmzb (target_ulong high, target_ulong low, uint32_t update_Rc) |
1982 | 76a66253 | j_mayer | { |
1983 | 76a66253 | j_mayer | target_ulong mask; |
1984 | 76a66253 | j_mayer | int i;
|
1985 | 76a66253 | j_mayer | |
1986 | 76a66253 | j_mayer | i = 1;
|
1987 | 76a66253 | j_mayer | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { |
1988 | ef0d51af | aurel32 | if ((high & mask) == 0) { |
1989 | ef0d51af | aurel32 | if (update_Rc) {
|
1990 | ef0d51af | aurel32 | env->crf[0] = 0x4; |
1991 | ef0d51af | aurel32 | } |
1992 | 76a66253 | j_mayer | goto done;
|
1993 | ef0d51af | aurel32 | } |
1994 | 76a66253 | j_mayer | i++; |
1995 | 76a66253 | j_mayer | } |
1996 | 76a66253 | j_mayer | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { |
1997 | ef0d51af | aurel32 | if ((low & mask) == 0) { |
1998 | ef0d51af | aurel32 | if (update_Rc) {
|
1999 | ef0d51af | aurel32 | env->crf[0] = 0x8; |
2000 | ef0d51af | aurel32 | } |
2001 | ef0d51af | aurel32 | goto done;
|
2002 | ef0d51af | aurel32 | } |
2003 | 76a66253 | j_mayer | i++; |
2004 | 76a66253 | j_mayer | } |
2005 | ef0d51af | aurel32 | if (update_Rc) {
|
2006 | ef0d51af | aurel32 | env->crf[0] = 0x2; |
2007 | ef0d51af | aurel32 | } |
2008 | 76a66253 | j_mayer | done:
|
2009 | ef0d51af | aurel32 | env->xer = (env->xer & ~0x7F) | i;
|
2010 | ef0d51af | aurel32 | if (update_Rc) {
|
2011 | ef0d51af | aurel32 | env->crf[0] |= xer_so;
|
2012 | ef0d51af | aurel32 | } |
2013 | ef0d51af | aurel32 | return i;
|
2014 | fdabc366 | bellard | } |
2015 | fdabc366 | bellard | |
2016 | 1c97856d | aurel32 | /*****************************************************************************/
|
2017 | 0487d6a8 | j_mayer | /* SPE extension helpers */
|
2018 | 0487d6a8 | j_mayer | /* Use a table to make this quicker */
|
2019 | 0487d6a8 | j_mayer | static uint8_t hbrev[16] = { |
2020 | 0487d6a8 | j_mayer | 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE, |
2021 | 0487d6a8 | j_mayer | 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF, |
2022 | 0487d6a8 | j_mayer | }; |
2023 | 0487d6a8 | j_mayer | |
2024 | b068d6a7 | j_mayer | static always_inline uint8_t byte_reverse (uint8_t val)
|
2025 | 0487d6a8 | j_mayer | { |
2026 | 0487d6a8 | j_mayer | return hbrev[val >> 4] | (hbrev[val & 0xF] << 4); |
2027 | 0487d6a8 | j_mayer | } |
2028 | 0487d6a8 | j_mayer | |
2029 | b068d6a7 | j_mayer | static always_inline uint32_t word_reverse (uint32_t val)
|
2030 | 0487d6a8 | j_mayer | { |
2031 | 0487d6a8 | j_mayer | return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) | |
2032 | 0487d6a8 | j_mayer | (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24); |
2033 | 0487d6a8 | j_mayer | } |
2034 | 0487d6a8 | j_mayer | |
2035 | 3cd7d1dd | j_mayer | #define MASKBITS 16 // Random value - to be fixed (implementation dependant) |
2036 | 57951c27 | aurel32 | target_ulong helper_brinc (target_ulong arg1, target_ulong arg2) |
2037 | 0487d6a8 | j_mayer | { |
2038 | 0487d6a8 | j_mayer | uint32_t a, b, d, mask; |
2039 | 0487d6a8 | j_mayer | |
2040 | 3cd7d1dd | j_mayer | mask = UINT32_MAX >> (32 - MASKBITS);
|
2041 | 57951c27 | aurel32 | a = arg1 & mask; |
2042 | 57951c27 | aurel32 | b = arg2 & mask; |
2043 | 3cd7d1dd | j_mayer | d = word_reverse(1 + word_reverse(a | ~b));
|
2044 | 57951c27 | aurel32 | return (arg1 & ~mask) | (d & b);
|
2045 | 0487d6a8 | j_mayer | } |
2046 | 0487d6a8 | j_mayer | |
2047 | 57951c27 | aurel32 | uint32_t helper_cntlsw32 (uint32_t val) |
2048 | 0487d6a8 | j_mayer | { |
2049 | 0487d6a8 | j_mayer | if (val & 0x80000000) |
2050 | 603fccce | j_mayer | return clz32(~val);
|
2051 | 0487d6a8 | j_mayer | else
|
2052 | 603fccce | j_mayer | return clz32(val);
|
2053 | 0487d6a8 | j_mayer | } |
2054 | 0487d6a8 | j_mayer | |
2055 | 57951c27 | aurel32 | uint32_t helper_cntlzw32 (uint32_t val) |
2056 | 0487d6a8 | j_mayer | { |
2057 | 603fccce | j_mayer | return clz32(val);
|
2058 | 0487d6a8 | j_mayer | } |
2059 | 0487d6a8 | j_mayer | |
2060 | 1c97856d | aurel32 | /* Single-precision floating-point conversions */
|
2061 | 1c97856d | aurel32 | static always_inline uint32_t efscfsi (uint32_t val)
|
2062 | 0487d6a8 | j_mayer | { |
2063 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2064 | 0487d6a8 | j_mayer | |
2065 | 0487d6a8 | j_mayer | u.f = int32_to_float32(val, &env->spe_status); |
2066 | 0487d6a8 | j_mayer | |
2067 | 0ca9d380 | aurel32 | return u.l;
|
2068 | 0487d6a8 | j_mayer | } |
2069 | 0487d6a8 | j_mayer | |
2070 | 1c97856d | aurel32 | static always_inline uint32_t efscfui (uint32_t val)
|
2071 | 0487d6a8 | j_mayer | { |
2072 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2073 | 0487d6a8 | j_mayer | |
2074 | 0487d6a8 | j_mayer | u.f = uint32_to_float32(val, &env->spe_status); |
2075 | 0487d6a8 | j_mayer | |
2076 | 0ca9d380 | aurel32 | return u.l;
|
2077 | 0487d6a8 | j_mayer | } |
2078 | 0487d6a8 | j_mayer | |
2079 | 1c97856d | aurel32 | static always_inline int32_t efsctsi (uint32_t val)
|
2080 | 0487d6a8 | j_mayer | { |
2081 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2082 | 0487d6a8 | j_mayer | |
2083 | 0ca9d380 | aurel32 | u.l = val; |
2084 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2085 | a44d2ce1 | aurel32 | if (unlikely(float32_is_nan(u.f)))
|
2086 | 0487d6a8 | j_mayer | return 0; |
2087 | 0487d6a8 | j_mayer | |
2088 | 0487d6a8 | j_mayer | return float32_to_int32(u.f, &env->spe_status);
|
2089 | 0487d6a8 | j_mayer | } |
2090 | 0487d6a8 | j_mayer | |
2091 | 1c97856d | aurel32 | static always_inline uint32_t efsctui (uint32_t val)
|
2092 | 0487d6a8 | j_mayer | { |
2093 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2094 | 0487d6a8 | j_mayer | |
2095 | 0ca9d380 | aurel32 | u.l = val; |
2096 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2097 | a44d2ce1 | aurel32 | if (unlikely(float32_is_nan(u.f)))
|
2098 | 0487d6a8 | j_mayer | return 0; |
2099 | 0487d6a8 | j_mayer | |
2100 | 0487d6a8 | j_mayer | return float32_to_uint32(u.f, &env->spe_status);
|
2101 | 0487d6a8 | j_mayer | } |
2102 | 0487d6a8 | j_mayer | |
2103 | 1c97856d | aurel32 | static always_inline uint32_t efsctsiz (uint32_t val)
|
2104 | 0487d6a8 | j_mayer | { |
2105 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2106 | 0487d6a8 | j_mayer | |
2107 | 0ca9d380 | aurel32 | u.l = val; |
2108 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2109 | a44d2ce1 | aurel32 | if (unlikely(float32_is_nan(u.f)))
|
2110 | 0487d6a8 | j_mayer | return 0; |
2111 | 0487d6a8 | j_mayer | |
2112 | 0487d6a8 | j_mayer | return float32_to_int32_round_to_zero(u.f, &env->spe_status);
|
2113 | 0487d6a8 | j_mayer | } |
2114 | 0487d6a8 | j_mayer | |
2115 | 1c97856d | aurel32 | static always_inline uint32_t efsctuiz (uint32_t val)
|
2116 | 0487d6a8 | j_mayer | { |
2117 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2118 | 0487d6a8 | j_mayer | |
2119 | 0ca9d380 | aurel32 | u.l = val; |
2120 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2121 | a44d2ce1 | aurel32 | if (unlikely(float32_is_nan(u.f)))
|
2122 | 0487d6a8 | j_mayer | return 0; |
2123 | 0487d6a8 | j_mayer | |
2124 | 0487d6a8 | j_mayer | return float32_to_uint32_round_to_zero(u.f, &env->spe_status);
|
2125 | 0487d6a8 | j_mayer | } |
2126 | 0487d6a8 | j_mayer | |
2127 | 1c97856d | aurel32 | static always_inline uint32_t efscfsf (uint32_t val)
|
2128 | 0487d6a8 | j_mayer | { |
2129 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2130 | 0487d6a8 | j_mayer | float32 tmp; |
2131 | 0487d6a8 | j_mayer | |
2132 | 0487d6a8 | j_mayer | u.f = int32_to_float32(val, &env->spe_status); |
2133 | 0487d6a8 | j_mayer | tmp = int64_to_float32(1ULL << 32, &env->spe_status); |
2134 | 0487d6a8 | j_mayer | u.f = float32_div(u.f, tmp, &env->spe_status); |
2135 | 0487d6a8 | j_mayer | |
2136 | 0ca9d380 | aurel32 | return u.l;
|
2137 | 0487d6a8 | j_mayer | } |
2138 | 0487d6a8 | j_mayer | |
2139 | 1c97856d | aurel32 | static always_inline uint32_t efscfuf (uint32_t val)
|
2140 | 0487d6a8 | j_mayer | { |
2141 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2142 | 0487d6a8 | j_mayer | float32 tmp; |
2143 | 0487d6a8 | j_mayer | |
2144 | 0487d6a8 | j_mayer | u.f = uint32_to_float32(val, &env->spe_status); |
2145 | 0487d6a8 | j_mayer | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); |
2146 | 0487d6a8 | j_mayer | u.f = float32_div(u.f, tmp, &env->spe_status); |
2147 | 0487d6a8 | j_mayer | |
2148 | 0ca9d380 | aurel32 | return u.l;
|
2149 | 0487d6a8 | j_mayer | } |
2150 | 0487d6a8 | j_mayer | |
2151 | 1c97856d | aurel32 | static always_inline uint32_t efsctsf (uint32_t val)
|
2152 | 0487d6a8 | j_mayer | { |
2153 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2154 | 0487d6a8 | j_mayer | float32 tmp; |
2155 | 0487d6a8 | j_mayer | |
2156 | 0ca9d380 | aurel32 | u.l = val; |
2157 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2158 | a44d2ce1 | aurel32 | if (unlikely(float32_is_nan(u.f)))
|
2159 | 0487d6a8 | j_mayer | return 0; |
2160 | 0487d6a8 | j_mayer | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); |
2161 | 0487d6a8 | j_mayer | u.f = float32_mul(u.f, tmp, &env->spe_status); |
2162 | 0487d6a8 | j_mayer | |
2163 | 0487d6a8 | j_mayer | return float32_to_int32(u.f, &env->spe_status);
|
2164 | 0487d6a8 | j_mayer | } |
2165 | 0487d6a8 | j_mayer | |
2166 | 1c97856d | aurel32 | static always_inline uint32_t efsctuf (uint32_t val)
|
2167 | 0487d6a8 | j_mayer | { |
2168 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2169 | 0487d6a8 | j_mayer | float32 tmp; |
2170 | 0487d6a8 | j_mayer | |
2171 | 0ca9d380 | aurel32 | u.l = val; |
2172 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2173 | a44d2ce1 | aurel32 | if (unlikely(float32_is_nan(u.f)))
|
2174 | 0487d6a8 | j_mayer | return 0; |
2175 | 0487d6a8 | j_mayer | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); |
2176 | 0487d6a8 | j_mayer | u.f = float32_mul(u.f, tmp, &env->spe_status); |
2177 | 0487d6a8 | j_mayer | |
2178 | 0487d6a8 | j_mayer | return float32_to_uint32(u.f, &env->spe_status);
|
2179 | 0487d6a8 | j_mayer | } |
2180 | 0487d6a8 | j_mayer | |
2181 | 1c97856d | aurel32 | #define HELPER_SPE_SINGLE_CONV(name) \
|
2182 | 1c97856d | aurel32 | uint32_t helper_e##name (uint32_t val) \ |
2183 | 1c97856d | aurel32 | { \ |
2184 | 1c97856d | aurel32 | return e##name(val); \ |
2185 | 1c97856d | aurel32 | } |
2186 | 1c97856d | aurel32 | /* efscfsi */
|
2187 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_CONV(fscfsi); |
2188 | 1c97856d | aurel32 | /* efscfui */
|
2189 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_CONV(fscfui); |
2190 | 1c97856d | aurel32 | /* efscfuf */
|
2191 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_CONV(fscfuf); |
2192 | 1c97856d | aurel32 | /* efscfsf */
|
2193 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_CONV(fscfsf); |
2194 | 1c97856d | aurel32 | /* efsctsi */
|
2195 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_CONV(fsctsi); |
2196 | 1c97856d | aurel32 | /* efsctui */
|
2197 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_CONV(fsctui); |
2198 | 1c97856d | aurel32 | /* efsctsiz */
|
2199 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_CONV(fsctsiz); |
2200 | 1c97856d | aurel32 | /* efsctuiz */
|
2201 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_CONV(fsctuiz); |
2202 | 1c97856d | aurel32 | /* efsctsf */
|
2203 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_CONV(fsctsf); |
2204 | 1c97856d | aurel32 | /* efsctuf */
|
2205 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_CONV(fsctuf); |
2206 | 1c97856d | aurel32 | |
2207 | 1c97856d | aurel32 | #define HELPER_SPE_VECTOR_CONV(name) \
|
2208 | 1c97856d | aurel32 | uint64_t helper_ev##name (uint64_t val) \ |
2209 | 1c97856d | aurel32 | { \ |
2210 | 1c97856d | aurel32 | return ((uint64_t)e##name(val >> 32) << 32) | \ |
2211 | 1c97856d | aurel32 | (uint64_t)e##name(val); \ |
2212 | 0487d6a8 | j_mayer | } |
2213 | 1c97856d | aurel32 | /* evfscfsi */
|
2214 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_CONV(fscfsi); |
2215 | 1c97856d | aurel32 | /* evfscfui */
|
2216 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_CONV(fscfui); |
2217 | 1c97856d | aurel32 | /* evfscfuf */
|
2218 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_CONV(fscfuf); |
2219 | 1c97856d | aurel32 | /* evfscfsf */
|
2220 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_CONV(fscfsf); |
2221 | 1c97856d | aurel32 | /* evfsctsi */
|
2222 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_CONV(fsctsi); |
2223 | 1c97856d | aurel32 | /* evfsctui */
|
2224 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_CONV(fsctui); |
2225 | 1c97856d | aurel32 | /* evfsctsiz */
|
2226 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_CONV(fsctsiz); |
2227 | 1c97856d | aurel32 | /* evfsctuiz */
|
2228 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_CONV(fsctuiz); |
2229 | 1c97856d | aurel32 | /* evfsctsf */
|
2230 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_CONV(fsctsf); |
2231 | 1c97856d | aurel32 | /* evfsctuf */
|
2232 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_CONV(fsctuf); |
2233 | 0487d6a8 | j_mayer | |
2234 | 1c97856d | aurel32 | /* Single-precision floating-point arithmetic */
|
2235 | 1c97856d | aurel32 | static always_inline uint32_t efsadd (uint32_t op1, uint32_t op2)
|
2236 | 0487d6a8 | j_mayer | { |
2237 | 1c97856d | aurel32 | CPU_FloatU u1, u2; |
2238 | 1c97856d | aurel32 | u1.l = op1; |
2239 | 1c97856d | aurel32 | u2.l = op2; |
2240 | 1c97856d | aurel32 | u1.f = float32_add(u1.f, u2.f, &env->spe_status); |
2241 | 1c97856d | aurel32 | return u1.l;
|
2242 | 0487d6a8 | j_mayer | } |
2243 | 0487d6a8 | j_mayer | |
2244 | 1c97856d | aurel32 | static always_inline uint32_t efssub (uint32_t op1, uint32_t op2)
|
2245 | 0487d6a8 | j_mayer | { |
2246 | 1c97856d | aurel32 | CPU_FloatU u1, u2; |
2247 | 1c97856d | aurel32 | u1.l = op1; |
2248 | 1c97856d | aurel32 | u2.l = op2; |
2249 | 1c97856d | aurel32 | u1.f = float32_sub(u1.f, u2.f, &env->spe_status); |
2250 | 1c97856d | aurel32 | return u1.l;
|
2251 | 0487d6a8 | j_mayer | } |
2252 | 0487d6a8 | j_mayer | |
2253 | 1c97856d | aurel32 | static always_inline uint32_t efsmul (uint32_t op1, uint32_t op2)
|
2254 | 0487d6a8 | j_mayer | { |
2255 | 1c97856d | aurel32 | CPU_FloatU u1, u2; |
2256 | 1c97856d | aurel32 | u1.l = op1; |
2257 | 1c97856d | aurel32 | u2.l = op2; |
2258 | 1c97856d | aurel32 | u1.f = float32_mul(u1.f, u2.f, &env->spe_status); |
2259 | 1c97856d | aurel32 | return u1.l;
|
2260 | 0487d6a8 | j_mayer | } |
2261 | 0487d6a8 | j_mayer | |
2262 | 1c97856d | aurel32 | static always_inline uint32_t efsdiv (uint32_t op1, uint32_t op2)
|
2263 | 0487d6a8 | j_mayer | { |
2264 | 1c97856d | aurel32 | CPU_FloatU u1, u2; |
2265 | 1c97856d | aurel32 | u1.l = op1; |
2266 | 1c97856d | aurel32 | u2.l = op2; |
2267 | 1c97856d | aurel32 | u1.f = float32_div(u1.f, u2.f, &env->spe_status); |
2268 | 1c97856d | aurel32 | return u1.l;
|
2269 | 0487d6a8 | j_mayer | } |
2270 | 0487d6a8 | j_mayer | |
2271 | 1c97856d | aurel32 | #define HELPER_SPE_SINGLE_ARITH(name) \
|
2272 | 1c97856d | aurel32 | uint32_t helper_e##name (uint32_t op1, uint32_t op2) \ |
2273 | 1c97856d | aurel32 | { \ |
2274 | 1c97856d | aurel32 | return e##name(op1, op2); \ |
2275 | 1c97856d | aurel32 | } |
2276 | 1c97856d | aurel32 | /* efsadd */
|
2277 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_ARITH(fsadd); |
2278 | 1c97856d | aurel32 | /* efssub */
|
2279 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_ARITH(fssub); |
2280 | 1c97856d | aurel32 | /* efsmul */
|
2281 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_ARITH(fsmul); |
2282 | 1c97856d | aurel32 | /* efsdiv */
|
2283 | 1c97856d | aurel32 | HELPER_SPE_SINGLE_ARITH(fsdiv); |
2284 | 1c97856d | aurel32 | |
2285 | 1c97856d | aurel32 | #define HELPER_SPE_VECTOR_ARITH(name) \
|
2286 | 1c97856d | aurel32 | uint64_t helper_ev##name (uint64_t op1, uint64_t op2) \ |
2287 | 1c97856d | aurel32 | { \ |
2288 | 1c97856d | aurel32 | return ((uint64_t)e##name(op1 >> 32, op2 >> 32) << 32) | \ |
2289 | 1c97856d | aurel32 | (uint64_t)e##name(op1, op2); \ |
2290 | 1c97856d | aurel32 | } |
2291 | 1c97856d | aurel32 | /* evfsadd */
|
2292 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_ARITH(fsadd); |
2293 | 1c97856d | aurel32 | /* evfssub */
|
2294 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_ARITH(fssub); |
2295 | 1c97856d | aurel32 | /* evfsmul */
|
2296 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_ARITH(fsmul); |
2297 | 1c97856d | aurel32 | /* evfsdiv */
|
2298 | 1c97856d | aurel32 | HELPER_SPE_VECTOR_ARITH(fsdiv); |
2299 | 1c97856d | aurel32 | |
2300 | 1c97856d | aurel32 | /* Single-precision floating-point comparisons */
|
2301 | 1c97856d | aurel32 | static always_inline uint32_t efststlt (uint32_t op1, uint32_t op2)
|
2302 | 0487d6a8 | j_mayer | { |
2303 | 1c97856d | aurel32 | CPU_FloatU u1, u2; |
2304 | 1c97856d | aurel32 | u1.l = op1; |
2305 | 1c97856d | aurel32 | u2.l = op2; |
2306 | 1c97856d | aurel32 | return float32_lt(u1.f, u2.f, &env->spe_status) ? 4 : 0; |
2307 | 0487d6a8 | j_mayer | } |
2308 | 0487d6a8 | j_mayer | |
2309 | 1c97856d | aurel32 | static always_inline uint32_t efststgt (uint32_t op1, uint32_t op2)
|
2310 | 0487d6a8 | j_mayer | { |
2311 | 1c97856d | aurel32 | CPU_FloatU u1, u2; |
2312 | 1c97856d | aurel32 | u1.l = op1; |
2313 | 1c97856d | aurel32 | u2.l = op2; |
2314 | 1c97856d | aurel32 | return float32_le(u1.f, u2.f, &env->spe_status) ? 0 : 4; |
2315 | 0487d6a8 | j_mayer | } |
2316 | 0487d6a8 | j_mayer | |
2317 | 1c97856d | aurel32 | static always_inline uint32_t efststeq (uint32_t op1, uint32_t op2)
|
2318 | 0487d6a8 | j_mayer | { |
2319 | 1c97856d | aurel32 | CPU_FloatU u1, u2; |
2320 | 1c97856d | aurel32 | u1.l = op1; |
2321 | 1c97856d | aurel32 | u2.l = op2; |
2322 | 1c97856d | aurel32 | return float32_eq(u1.f, u2.f, &env->spe_status) ? 4 : 0; |
2323 | 0487d6a8 | j_mayer | } |
2324 | 0487d6a8 | j_mayer | |
2325 | 1c97856d | aurel32 | static always_inline uint32_t efscmplt (uint32_t op1, uint32_t op2)
|
2326 | 0487d6a8 | j_mayer | { |
2327 | 0487d6a8 | j_mayer | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2328 | 1c97856d | aurel32 | return efststlt(op1, op2);
|
2329 | 0487d6a8 | j_mayer | } |
2330 | 0487d6a8 | j_mayer | |
2331 | 1c97856d | aurel32 | static always_inline uint32_t efscmpgt (uint32_t op1, uint32_t op2)
|
2332 | 0487d6a8 | j_mayer | { |
2333 | 0487d6a8 | j_mayer | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2334 | 1c97856d | aurel32 | return efststgt(op1, op2);
|
2335 | 0487d6a8 | j_mayer | } |
2336 | 0487d6a8 | j_mayer | |
2337 | 1c97856d | aurel32 | static always_inline uint32_t efscmpeq (uint32_t op1, uint32_t op2)
|
2338 | 0487d6a8 | j_mayer | { |
2339 | 0487d6a8 | j_mayer | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2340 | 1c97856d | aurel32 | return efststeq(op1, op2);
|
2341 | 0487d6a8 | j_mayer | } |
2342 | 0487d6a8 | j_mayer | |
2343 | 1c97856d | aurel32 | #define HELPER_SINGLE_SPE_CMP(name) \
|
2344 | 1c97856d | aurel32 | uint32_t helper_e##name (uint32_t op1, uint32_t op2) \ |
2345 | 1c97856d | aurel32 | { \ |
2346 | 1c97856d | aurel32 | return e##name(op1, op2) << 2; \ |
2347 | 1c97856d | aurel32 | } |
2348 | 1c97856d | aurel32 | /* efststlt */
|
2349 | 1c97856d | aurel32 | HELPER_SINGLE_SPE_CMP(fststlt); |
2350 | 1c97856d | aurel32 | /* efststgt */
|
2351 | 1c97856d | aurel32 | HELPER_SINGLE_SPE_CMP(fststgt); |
2352 | 1c97856d | aurel32 | /* efststeq */
|
2353 | 1c97856d | aurel32 | HELPER_SINGLE_SPE_CMP(fststeq); |
2354 | 1c97856d | aurel32 | /* efscmplt */
|
2355 | 1c97856d | aurel32 | HELPER_SINGLE_SPE_CMP(fscmplt); |
2356 | 1c97856d | aurel32 | /* efscmpgt */
|
2357 | 1c97856d | aurel32 | HELPER_SINGLE_SPE_CMP(fscmpgt); |
2358 | 1c97856d | aurel32 | /* efscmpeq */
|
2359 | 1c97856d | aurel32 | HELPER_SINGLE_SPE_CMP(fscmpeq); |
2360 | 1c97856d | aurel32 | |
2361 | 1c97856d | aurel32 | static always_inline uint32_t evcmp_merge (int t0, int t1) |
2362 | 0487d6a8 | j_mayer | { |
2363 | 1c97856d | aurel32 | return (t0 << 3) | (t1 << 2) | ((t0 | t1) << 1) | (t0 & t1); |
2364 | 0487d6a8 | j_mayer | } |
2365 | 0487d6a8 | j_mayer | |
2366 | 1c97856d | aurel32 | #define HELPER_VECTOR_SPE_CMP(name) \
|
2367 | 1c97856d | aurel32 | uint32_t helper_ev##name (uint64_t op1, uint64_t op2) \ |
2368 | 1c97856d | aurel32 | { \ |
2369 | 1c97856d | aurel32 | return evcmp_merge(e##name(op1 >> 32, op2 >> 32), e##name(op1, op2)); \ |
2370 | 0487d6a8 | j_mayer | } |
2371 | 1c97856d | aurel32 | /* evfststlt */
|
2372 | 1c97856d | aurel32 | HELPER_VECTOR_SPE_CMP(fststlt); |
2373 | 1c97856d | aurel32 | /* evfststgt */
|
2374 | 1c97856d | aurel32 | HELPER_VECTOR_SPE_CMP(fststgt); |
2375 | 1c97856d | aurel32 | /* evfststeq */
|
2376 | 1c97856d | aurel32 | HELPER_VECTOR_SPE_CMP(fststeq); |
2377 | 1c97856d | aurel32 | /* evfscmplt */
|
2378 | 1c97856d | aurel32 | HELPER_VECTOR_SPE_CMP(fscmplt); |
2379 | 1c97856d | aurel32 | /* evfscmpgt */
|
2380 | 1c97856d | aurel32 | HELPER_VECTOR_SPE_CMP(fscmpgt); |
2381 | 1c97856d | aurel32 | /* evfscmpeq */
|
2382 | 1c97856d | aurel32 | HELPER_VECTOR_SPE_CMP(fscmpeq); |
2383 | 0487d6a8 | j_mayer | |
2384 | 1c97856d | aurel32 | /* Double-precision floating-point conversion */
|
2385 | 1c97856d | aurel32 | uint64_t helper_efdcfsi (uint32_t val) |
2386 | 0487d6a8 | j_mayer | { |
2387 | 1c97856d | aurel32 | CPU_DoubleU u; |
2388 | 1c97856d | aurel32 | |
2389 | 1c97856d | aurel32 | u.d = int32_to_float64(val, &env->spe_status); |
2390 | 1c97856d | aurel32 | |
2391 | 1c97856d | aurel32 | return u.ll;
|
2392 | 0487d6a8 | j_mayer | } |
2393 | 0487d6a8 | j_mayer | |
2394 | 1c97856d | aurel32 | uint64_t helper_efdcfsid (uint64_t val) |
2395 | 0487d6a8 | j_mayer | { |
2396 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2397 | 0487d6a8 | j_mayer | |
2398 | 0ca9d380 | aurel32 | u.d = int64_to_float64(val, &env->spe_status); |
2399 | 0487d6a8 | j_mayer | |
2400 | 0ca9d380 | aurel32 | return u.ll;
|
2401 | 0487d6a8 | j_mayer | } |
2402 | 0487d6a8 | j_mayer | |
2403 | 1c97856d | aurel32 | uint64_t helper_efdcfui (uint32_t val) |
2404 | 1c97856d | aurel32 | { |
2405 | 1c97856d | aurel32 | CPU_DoubleU u; |
2406 | 1c97856d | aurel32 | |
2407 | 1c97856d | aurel32 | u.d = uint32_to_float64(val, &env->spe_status); |
2408 | 1c97856d | aurel32 | |
2409 | 1c97856d | aurel32 | return u.ll;
|
2410 | 1c97856d | aurel32 | } |
2411 | 1c97856d | aurel32 | |
2412 | 1c97856d | aurel32 | uint64_t helper_efdcfuid (uint64_t val) |
2413 | 0487d6a8 | j_mayer | { |
2414 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2415 | 0487d6a8 | j_mayer | |
2416 | 0ca9d380 | aurel32 | u.d = uint64_to_float64(val, &env->spe_status); |
2417 | 0487d6a8 | j_mayer | |
2418 | 0ca9d380 | aurel32 | return u.ll;
|
2419 | 0487d6a8 | j_mayer | } |
2420 | 0487d6a8 | j_mayer | |
2421 | 1c97856d | aurel32 | uint32_t helper_efdctsi (uint64_t val) |
2422 | 0487d6a8 | j_mayer | { |
2423 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2424 | 0487d6a8 | j_mayer | |
2425 | 0ca9d380 | aurel32 | u.ll = val; |
2426 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2427 | a44d2ce1 | aurel32 | if (unlikely(float64_is_nan(u.d)))
|
2428 | 0487d6a8 | j_mayer | return 0; |
2429 | 0487d6a8 | j_mayer | |
2430 | 1c97856d | aurel32 | return float64_to_int32(u.d, &env->spe_status);
|
2431 | 0487d6a8 | j_mayer | } |
2432 | 0487d6a8 | j_mayer | |
2433 | 1c97856d | aurel32 | uint32_t helper_efdctui (uint64_t val) |
2434 | 0487d6a8 | j_mayer | { |
2435 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2436 | 0487d6a8 | j_mayer | |
2437 | 0ca9d380 | aurel32 | u.ll = val; |
2438 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2439 | a44d2ce1 | aurel32 | if (unlikely(float64_is_nan(u.d)))
|
2440 | 0487d6a8 | j_mayer | return 0; |
2441 | 0487d6a8 | j_mayer | |
2442 | 1c97856d | aurel32 | return float64_to_uint32(u.d, &env->spe_status);
|
2443 | 0487d6a8 | j_mayer | } |
2444 | 0487d6a8 | j_mayer | |
2445 | 1c97856d | aurel32 | uint32_t helper_efdctsiz (uint64_t val) |
2446 | 0487d6a8 | j_mayer | { |
2447 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2448 | 0487d6a8 | j_mayer | |
2449 | 0ca9d380 | aurel32 | u.ll = val; |
2450 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2451 | a44d2ce1 | aurel32 | if (unlikely(float64_is_nan(u.d)))
|
2452 | 0487d6a8 | j_mayer | return 0; |
2453 | 0487d6a8 | j_mayer | |
2454 | 1c97856d | aurel32 | return float64_to_int32_round_to_zero(u.d, &env->spe_status);
|
2455 | 0487d6a8 | j_mayer | } |
2456 | 0487d6a8 | j_mayer | |
2457 | 1c97856d | aurel32 | uint64_t helper_efdctsidz (uint64_t val) |
2458 | 0487d6a8 | j_mayer | { |
2459 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2460 | 0487d6a8 | j_mayer | |
2461 | 0ca9d380 | aurel32 | u.ll = val; |
2462 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2463 | a44d2ce1 | aurel32 | if (unlikely(float64_is_nan(u.d)))
|
2464 | 0487d6a8 | j_mayer | return 0; |
2465 | 0487d6a8 | j_mayer | |
2466 | 1c97856d | aurel32 | return float64_to_int64_round_to_zero(u.d, &env->spe_status);
|
2467 | 0487d6a8 | j_mayer | } |
2468 | 0487d6a8 | j_mayer | |
2469 | 1c97856d | aurel32 | uint32_t helper_efdctuiz (uint64_t val) |
2470 | 0487d6a8 | j_mayer | { |
2471 | 1c97856d | aurel32 | CPU_DoubleU u; |
2472 | 0487d6a8 | j_mayer | |
2473 | 1c97856d | aurel32 | u.ll = val; |
2474 | 1c97856d | aurel32 | /* NaN are not treated the same way IEEE 754 does */
|
2475 | a44d2ce1 | aurel32 | if (unlikely(float64_is_nan(u.d)))
|
2476 | 1c97856d | aurel32 | return 0; |
2477 | 0487d6a8 | j_mayer | |
2478 | 1c97856d | aurel32 | return float64_to_uint32_round_to_zero(u.d, &env->spe_status);
|
2479 | 0487d6a8 | j_mayer | } |
2480 | 0487d6a8 | j_mayer | |
2481 | 1c97856d | aurel32 | uint64_t helper_efdctuidz (uint64_t val) |
2482 | 0487d6a8 | j_mayer | { |
2483 | 1c97856d | aurel32 | CPU_DoubleU u; |
2484 | 0487d6a8 | j_mayer | |
2485 | 1c97856d | aurel32 | u.ll = val; |
2486 | 1c97856d | aurel32 | /* NaN are not treated the same way IEEE 754 does */
|
2487 | a44d2ce1 | aurel32 | if (unlikely(float64_is_nan(u.d)))
|
2488 | 1c97856d | aurel32 | return 0; |
2489 | 0487d6a8 | j_mayer | |
2490 | 1c97856d | aurel32 | return float64_to_uint64_round_to_zero(u.d, &env->spe_status);
|
2491 | 0487d6a8 | j_mayer | } |
2492 | 0487d6a8 | j_mayer | |
2493 | 1c97856d | aurel32 | uint64_t helper_efdcfsf (uint32_t val) |
2494 | 0487d6a8 | j_mayer | { |
2495 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2496 | 0487d6a8 | j_mayer | float64 tmp; |
2497 | 0487d6a8 | j_mayer | |
2498 | 0ca9d380 | aurel32 | u.d = int32_to_float64(val, &env->spe_status); |
2499 | 0487d6a8 | j_mayer | tmp = int64_to_float64(1ULL << 32, &env->spe_status); |
2500 | 0ca9d380 | aurel32 | u.d = float64_div(u.d, tmp, &env->spe_status); |
2501 | 0487d6a8 | j_mayer | |
2502 | 0ca9d380 | aurel32 | return u.ll;
|
2503 | 0487d6a8 | j_mayer | } |
2504 | 0487d6a8 | j_mayer | |
2505 | 1c97856d | aurel32 | uint64_t helper_efdcfuf (uint32_t val) |
2506 | 0487d6a8 | j_mayer | { |
2507 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2508 | 0487d6a8 | j_mayer | float64 tmp; |
2509 | 0487d6a8 | j_mayer | |
2510 | 0ca9d380 | aurel32 | u.d = uint32_to_float64(val, &env->spe_status); |
2511 | 0487d6a8 | j_mayer | tmp = int64_to_float64(1ULL << 32, &env->spe_status); |
2512 | 0ca9d380 | aurel32 | u.d = float64_div(u.d, tmp, &env->spe_status); |
2513 | 0487d6a8 | j_mayer | |
2514 | 0ca9d380 | aurel32 | return u.ll;
|
2515 | 0487d6a8 | j_mayer | } |
2516 | 0487d6a8 | j_mayer | |
2517 | 1c97856d | aurel32 | uint32_t helper_efdctsf (uint64_t val) |
2518 | 0487d6a8 | j_mayer | { |
2519 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2520 | 0487d6a8 | j_mayer | float64 tmp; |
2521 | 0487d6a8 | j_mayer | |
2522 | 0ca9d380 | aurel32 | u.ll = val; |
2523 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2524 | a44d2ce1 | aurel32 | if (unlikely(float64_is_nan(u.d)))
|
2525 | 0487d6a8 | j_mayer | return 0; |
2526 | 0487d6a8 | j_mayer | tmp = uint64_to_float64(1ULL << 32, &env->spe_status); |
2527 | 0ca9d380 | aurel32 | u.d = float64_mul(u.d, tmp, &env->spe_status); |
2528 | 0487d6a8 | j_mayer | |
2529 | 0ca9d380 | aurel32 | return float64_to_int32(u.d, &env->spe_status);
|
2530 | 0487d6a8 | j_mayer | } |
2531 | 0487d6a8 | j_mayer | |
2532 | 1c97856d | aurel32 | uint32_t helper_efdctuf (uint64_t val) |
2533 | 0487d6a8 | j_mayer | { |
2534 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2535 | 0487d6a8 | j_mayer | float64 tmp; |
2536 | 0487d6a8 | j_mayer | |
2537 | 0ca9d380 | aurel32 | u.ll = val; |
2538 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2539 | a44d2ce1 | aurel32 | if (unlikely(float64_is_nan(u.d)))
|
2540 | 0487d6a8 | j_mayer | return 0; |
2541 | 0487d6a8 | j_mayer | tmp = uint64_to_float64(1ULL << 32, &env->spe_status); |
2542 | 0ca9d380 | aurel32 | u.d = float64_mul(u.d, tmp, &env->spe_status); |
2543 | 0487d6a8 | j_mayer | |
2544 | 0ca9d380 | aurel32 | return float64_to_uint32(u.d, &env->spe_status);
|
2545 | 0487d6a8 | j_mayer | } |
2546 | 0487d6a8 | j_mayer | |
2547 | 1c97856d | aurel32 | uint32_t helper_efscfd (uint64_t val) |
2548 | 0487d6a8 | j_mayer | { |
2549 | 0ca9d380 | aurel32 | CPU_DoubleU u1; |
2550 | 0ca9d380 | aurel32 | CPU_FloatU u2; |
2551 | 0487d6a8 | j_mayer | |
2552 | 0ca9d380 | aurel32 | u1.ll = val; |
2553 | 0ca9d380 | aurel32 | u2.f = float64_to_float32(u1.d, &env->spe_status); |
2554 | 0487d6a8 | j_mayer | |
2555 | 0ca9d380 | aurel32 | return u2.l;
|
2556 | 0487d6a8 | j_mayer | } |
2557 | 0487d6a8 | j_mayer | |
2558 | 1c97856d | aurel32 | uint64_t helper_efdcfs (uint32_t val) |
2559 | 0487d6a8 | j_mayer | { |
2560 | 0ca9d380 | aurel32 | CPU_DoubleU u2; |
2561 | 0ca9d380 | aurel32 | CPU_FloatU u1; |
2562 | 0487d6a8 | j_mayer | |
2563 | 0ca9d380 | aurel32 | u1.l = val; |
2564 | 0ca9d380 | aurel32 | u2.d = float32_to_float64(u1.f, &env->spe_status); |
2565 | 0487d6a8 | j_mayer | |
2566 | 0ca9d380 | aurel32 | return u2.ll;
|
2567 | 0487d6a8 | j_mayer | } |
2568 | 0487d6a8 | j_mayer | |
2569 | 1c97856d | aurel32 | /* Double precision fixed-point arithmetic */
|
2570 | 1c97856d | aurel32 | uint64_t helper_efdadd (uint64_t op1, uint64_t op2) |
2571 | 0487d6a8 | j_mayer | { |
2572 | 1c97856d | aurel32 | CPU_DoubleU u1, u2; |
2573 | 1c97856d | aurel32 | u1.ll = op1; |
2574 | 1c97856d | aurel32 | u2.ll = op2; |
2575 | 1c97856d | aurel32 | u1.d = float64_add(u1.d, u2.d, &env->spe_status); |
2576 | 1c97856d | aurel32 | return u1.ll;
|
2577 | 0487d6a8 | j_mayer | } |
2578 | 0487d6a8 | j_mayer | |
2579 | 1c97856d | aurel32 | uint64_t helper_efdsub (uint64_t op1, uint64_t op2) |
2580 | 0487d6a8 | j_mayer | { |
2581 | 1c97856d | aurel32 | CPU_DoubleU u1, u2; |
2582 | 1c97856d | aurel32 | u1.ll = op1; |
2583 | 1c97856d | aurel32 | u2.ll = op2; |
2584 | 1c97856d | aurel32 | u1.d = float64_sub(u1.d, u2.d, &env->spe_status); |
2585 | 1c97856d | aurel32 | return u1.ll;
|
2586 | 0487d6a8 | j_mayer | } |
2587 | 0487d6a8 | j_mayer | |
2588 | 1c97856d | aurel32 | uint64_t helper_efdmul (uint64_t op1, uint64_t op2) |
2589 | 0487d6a8 | j_mayer | { |
2590 | 1c97856d | aurel32 | CPU_DoubleU u1, u2; |
2591 | 1c97856d | aurel32 | u1.ll = op1; |
2592 | 1c97856d | aurel32 | u2.ll = op2; |
2593 | 1c97856d | aurel32 | u1.d = float64_mul(u1.d, u2.d, &env->spe_status); |
2594 | 1c97856d | aurel32 | return u1.ll;
|
2595 | 0487d6a8 | j_mayer | } |
2596 | 0487d6a8 | j_mayer | |
2597 | 1c97856d | aurel32 | uint64_t helper_efddiv (uint64_t op1, uint64_t op2) |
2598 | 0487d6a8 | j_mayer | { |
2599 | 1c97856d | aurel32 | CPU_DoubleU u1, u2; |
2600 | 1c97856d | aurel32 | u1.ll = op1; |
2601 | 1c97856d | aurel32 | u2.ll = op2; |
2602 | 1c97856d | aurel32 | u1.d = float64_div(u1.d, u2.d, &env->spe_status); |
2603 | 1c97856d | aurel32 | return u1.ll;
|
2604 | 0487d6a8 | j_mayer | } |
2605 | 0487d6a8 | j_mayer | |
2606 | 1c97856d | aurel32 | /* Double precision floating point helpers */
|
2607 | 1c97856d | aurel32 | uint32_t helper_efdtstlt (uint64_t op1, uint64_t op2) |
2608 | 0487d6a8 | j_mayer | { |
2609 | 1c97856d | aurel32 | CPU_DoubleU u1, u2; |
2610 | 1c97856d | aurel32 | u1.ll = op1; |
2611 | 1c97856d | aurel32 | u2.ll = op2; |
2612 | 1c97856d | aurel32 | return float64_lt(u1.d, u2.d, &env->spe_status) ? 4 : 0; |
2613 | 0487d6a8 | j_mayer | } |
2614 | 0487d6a8 | j_mayer | |
2615 | 1c97856d | aurel32 | uint32_t helper_efdtstgt (uint64_t op1, uint64_t op2) |
2616 | 0487d6a8 | j_mayer | { |
2617 | 1c97856d | aurel32 | CPU_DoubleU u1, u2; |
2618 | 1c97856d | aurel32 | u1.ll = op1; |
2619 | 1c97856d | aurel32 | u2.ll = op2; |
2620 | 1c97856d | aurel32 | return float64_le(u1.d, u2.d, &env->spe_status) ? 0 : 4; |
2621 | 0487d6a8 | j_mayer | } |
2622 | 0487d6a8 | j_mayer | |
2623 | 1c97856d | aurel32 | uint32_t helper_efdtsteq (uint64_t op1, uint64_t op2) |
2624 | 0487d6a8 | j_mayer | { |
2625 | 1c97856d | aurel32 | CPU_DoubleU u1, u2; |
2626 | 1c97856d | aurel32 | u1.ll = op1; |
2627 | 1c97856d | aurel32 | u2.ll = op2; |
2628 | 1c97856d | aurel32 | return float64_eq(u1.d, u2.d, &env->spe_status) ? 4 : 0; |
2629 | 0487d6a8 | j_mayer | } |
2630 | 0487d6a8 | j_mayer | |
2631 | 1c97856d | aurel32 | uint32_t helper_efdcmplt (uint64_t op1, uint64_t op2) |
2632 | 0487d6a8 | j_mayer | { |
2633 | 1c97856d | aurel32 | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2634 | 1c97856d | aurel32 | return helper_efdtstlt(op1, op2);
|
2635 | 0487d6a8 | j_mayer | } |
2636 | 0487d6a8 | j_mayer | |
2637 | 1c97856d | aurel32 | uint32_t helper_efdcmpgt (uint64_t op1, uint64_t op2) |
2638 | 1c97856d | aurel32 | { |
2639 | 1c97856d | aurel32 | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2640 | 1c97856d | aurel32 | return helper_efdtstgt(op1, op2);
|
2641 | 1c97856d | aurel32 | } |
2642 | 0487d6a8 | j_mayer | |
2643 | 1c97856d | aurel32 | uint32_t helper_efdcmpeq (uint64_t op1, uint64_t op2) |
2644 | 1c97856d | aurel32 | { |
2645 | 1c97856d | aurel32 | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2646 | 1c97856d | aurel32 | return helper_efdtsteq(op1, op2);
|
2647 | 1c97856d | aurel32 | } |
2648 | 0487d6a8 | j_mayer | |
2649 | fdabc366 | bellard | /*****************************************************************************/
|
2650 | fdabc366 | bellard | /* Softmmu support */
|
2651 | fdabc366 | bellard | #if !defined (CONFIG_USER_ONLY)
|
2652 | fdabc366 | bellard | |
2653 | fdabc366 | bellard | #define MMUSUFFIX _mmu
|
2654 | fdabc366 | bellard | |
2655 | fdabc366 | bellard | #define SHIFT 0 |
2656 | fdabc366 | bellard | #include "softmmu_template.h" |
2657 | fdabc366 | bellard | |
2658 | fdabc366 | bellard | #define SHIFT 1 |
2659 | fdabc366 | bellard | #include "softmmu_template.h" |
2660 | fdabc366 | bellard | |
2661 | fdabc366 | bellard | #define SHIFT 2 |
2662 | fdabc366 | bellard | #include "softmmu_template.h" |
2663 | fdabc366 | bellard | |
2664 | fdabc366 | bellard | #define SHIFT 3 |
2665 | fdabc366 | bellard | #include "softmmu_template.h" |
2666 | fdabc366 | bellard | |
2667 | fdabc366 | bellard | /* try to fill the TLB and return an exception if error. If retaddr is
|
2668 | fdabc366 | bellard | NULL, it means that the function was called in C code (i.e. not
|
2669 | fdabc366 | bellard | from generated code or from helper.c) */
|
2670 | fdabc366 | bellard | /* XXX: fix it to restore all registers */
|
2671 | 6ebbf390 | j_mayer | void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
2672 | fdabc366 | bellard | { |
2673 | fdabc366 | bellard | TranslationBlock *tb; |
2674 | fdabc366 | bellard | CPUState *saved_env; |
2675 | 44f8625d | bellard | unsigned long pc; |
2676 | fdabc366 | bellard | int ret;
|
2677 | fdabc366 | bellard | |
2678 | fdabc366 | bellard | /* XXX: hack to restore env in all cases, even if not called from
|
2679 | fdabc366 | bellard | generated code */
|
2680 | fdabc366 | bellard | saved_env = env; |
2681 | fdabc366 | bellard | env = cpu_single_env; |
2682 | 6ebbf390 | j_mayer | ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
2683 | 76a66253 | j_mayer | if (unlikely(ret != 0)) { |
2684 | fdabc366 | bellard | if (likely(retaddr)) {
|
2685 | fdabc366 | bellard | /* now we have a real cpu fault */
|
2686 | 44f8625d | bellard | pc = (unsigned long)retaddr; |
2687 | fdabc366 | bellard | tb = tb_find_pc(pc); |
2688 | fdabc366 | bellard | if (likely(tb)) {
|
2689 | fdabc366 | bellard | /* the PC is inside the translated code. It means that we have
|
2690 | fdabc366 | bellard | a virtual CPU fault */
|
2691 | fdabc366 | bellard | cpu_restore_state(tb, env, pc, NULL);
|
2692 | 76a66253 | j_mayer | } |
2693 | fdabc366 | bellard | } |
2694 | e06fcd75 | aurel32 | helper_raise_exception_err(env->exception_index, env->error_code); |
2695 | fdabc366 | bellard | } |
2696 | fdabc366 | bellard | env = saved_env; |
2697 | 9a64fbe4 | bellard | } |
2698 | 9a64fbe4 | bellard | |
2699 | 74d37793 | aurel32 | /* Segment registers load and store */
|
2700 | 74d37793 | aurel32 | target_ulong helper_load_sr (target_ulong sr_num) |
2701 | 74d37793 | aurel32 | { |
2702 | 74d37793 | aurel32 | return env->sr[sr_num];
|
2703 | 74d37793 | aurel32 | } |
2704 | 74d37793 | aurel32 | |
2705 | 74d37793 | aurel32 | void helper_store_sr (target_ulong sr_num, target_ulong val)
|
2706 | 74d37793 | aurel32 | { |
2707 | 45d827d2 | aurel32 | ppc_store_sr(env, sr_num, val); |
2708 | 74d37793 | aurel32 | } |
2709 | 74d37793 | aurel32 | |
2710 | 74d37793 | aurel32 | /* SLB management */
|
2711 | 74d37793 | aurel32 | #if defined(TARGET_PPC64)
|
2712 | 74d37793 | aurel32 | target_ulong helper_load_slb (target_ulong slb_nr) |
2713 | 74d37793 | aurel32 | { |
2714 | 74d37793 | aurel32 | return ppc_load_slb(env, slb_nr);
|
2715 | 74d37793 | aurel32 | } |
2716 | 74d37793 | aurel32 | |
2717 | 74d37793 | aurel32 | void helper_store_slb (target_ulong slb_nr, target_ulong rs)
|
2718 | 74d37793 | aurel32 | { |
2719 | 74d37793 | aurel32 | ppc_store_slb(env, slb_nr, rs); |
2720 | 74d37793 | aurel32 | } |
2721 | 74d37793 | aurel32 | |
2722 | 74d37793 | aurel32 | void helper_slbia (void) |
2723 | 74d37793 | aurel32 | { |
2724 | 74d37793 | aurel32 | ppc_slb_invalidate_all(env); |
2725 | 74d37793 | aurel32 | } |
2726 | 74d37793 | aurel32 | |
2727 | 74d37793 | aurel32 | void helper_slbie (target_ulong addr)
|
2728 | 74d37793 | aurel32 | { |
2729 | 74d37793 | aurel32 | ppc_slb_invalidate_one(env, addr); |
2730 | 74d37793 | aurel32 | } |
2731 | 74d37793 | aurel32 | |
2732 | 74d37793 | aurel32 | #endif /* defined(TARGET_PPC64) */ |
2733 | 74d37793 | aurel32 | |
2734 | 74d37793 | aurel32 | /* TLB management */
|
2735 | 74d37793 | aurel32 | void helper_tlbia (void) |
2736 | 74d37793 | aurel32 | { |
2737 | 74d37793 | aurel32 | ppc_tlb_invalidate_all(env); |
2738 | 74d37793 | aurel32 | } |
2739 | 74d37793 | aurel32 | |
2740 | 74d37793 | aurel32 | void helper_tlbie (target_ulong addr)
|
2741 | 74d37793 | aurel32 | { |
2742 | 74d37793 | aurel32 | ppc_tlb_invalidate_one(env, addr); |
2743 | 74d37793 | aurel32 | } |
2744 | 74d37793 | aurel32 | |
2745 | 76a66253 | j_mayer | /* Software driven TLBs management */
|
2746 | 76a66253 | j_mayer | /* PowerPC 602/603 software TLB load instructions helpers */
|
2747 | 74d37793 | aurel32 | static void do_6xx_tlb (target_ulong new_EPN, int is_code) |
2748 | 76a66253 | j_mayer | { |
2749 | 76a66253 | j_mayer | target_ulong RPN, CMP, EPN; |
2750 | 76a66253 | j_mayer | int way;
|
2751 | d9bce9d9 | j_mayer | |
2752 | 76a66253 | j_mayer | RPN = env->spr[SPR_RPA]; |
2753 | 76a66253 | j_mayer | if (is_code) {
|
2754 | 76a66253 | j_mayer | CMP = env->spr[SPR_ICMP]; |
2755 | 76a66253 | j_mayer | EPN = env->spr[SPR_IMISS]; |
2756 | 76a66253 | j_mayer | } else {
|
2757 | 76a66253 | j_mayer | CMP = env->spr[SPR_DCMP]; |
2758 | 76a66253 | j_mayer | EPN = env->spr[SPR_DMISS]; |
2759 | 76a66253 | j_mayer | } |
2760 | 76a66253 | j_mayer | way = (env->spr[SPR_SRR1] >> 17) & 1; |
2761 | 76a66253 | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2762 | 76a66253 | j_mayer | if (loglevel != 0) { |
2763 | 0e69805a | aurel32 | fprintf(logfile, "%s: EPN " ADDRX " " ADDRX " PTE0 " ADDRX |
2764 | 6b542af7 | j_mayer | " PTE1 " ADDRX " way %d\n", |
2765 | 0e69805a | aurel32 | __func__, new_EPN, EPN, CMP, RPN, way); |
2766 | 76a66253 | j_mayer | } |
2767 | 76a66253 | j_mayer | #endif
|
2768 | 76a66253 | j_mayer | /* Store this TLB */
|
2769 | 0f3955e2 | aurel32 | ppc6xx_tlb_store(env, (uint32_t)(new_EPN & TARGET_PAGE_MASK), |
2770 | d9bce9d9 | j_mayer | way, is_code, CMP, RPN); |
2771 | 76a66253 | j_mayer | } |
2772 | 76a66253 | j_mayer | |
2773 | 74d37793 | aurel32 | void helper_6xx_tlbd (target_ulong EPN)
|
2774 | 0f3955e2 | aurel32 | { |
2775 | 74d37793 | aurel32 | do_6xx_tlb(EPN, 0);
|
2776 | 0f3955e2 | aurel32 | } |
2777 | 0f3955e2 | aurel32 | |
2778 | 74d37793 | aurel32 | void helper_6xx_tlbi (target_ulong EPN)
|
2779 | 0f3955e2 | aurel32 | { |
2780 | 74d37793 | aurel32 | do_6xx_tlb(EPN, 1);
|
2781 | 0f3955e2 | aurel32 | } |
2782 | 0f3955e2 | aurel32 | |
2783 | 0f3955e2 | aurel32 | /* PowerPC 74xx software TLB load instructions helpers */
|
2784 | 74d37793 | aurel32 | static void do_74xx_tlb (target_ulong new_EPN, int is_code) |
2785 | 7dbe11ac | j_mayer | { |
2786 | 7dbe11ac | j_mayer | target_ulong RPN, CMP, EPN; |
2787 | 7dbe11ac | j_mayer | int way;
|
2788 | 7dbe11ac | j_mayer | |
2789 | 7dbe11ac | j_mayer | RPN = env->spr[SPR_PTELO]; |
2790 | 7dbe11ac | j_mayer | CMP = env->spr[SPR_PTEHI]; |
2791 | 7dbe11ac | j_mayer | EPN = env->spr[SPR_TLBMISS] & ~0x3;
|
2792 | 7dbe11ac | j_mayer | way = env->spr[SPR_TLBMISS] & 0x3;
|
2793 | 7dbe11ac | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2794 | 7dbe11ac | j_mayer | if (loglevel != 0) { |
2795 | 0e69805a | aurel32 | fprintf(logfile, "%s: EPN " ADDRX " " ADDRX " PTE0 " ADDRX |
2796 | 6b542af7 | j_mayer | " PTE1 " ADDRX " way %d\n", |
2797 | 0e69805a | aurel32 | __func__, new_EPN, EPN, CMP, RPN, way); |
2798 | 7dbe11ac | j_mayer | } |
2799 | 7dbe11ac | j_mayer | #endif
|
2800 | 7dbe11ac | j_mayer | /* Store this TLB */
|
2801 | 0f3955e2 | aurel32 | ppc6xx_tlb_store(env, (uint32_t)(new_EPN & TARGET_PAGE_MASK), |
2802 | 7dbe11ac | j_mayer | way, is_code, CMP, RPN); |
2803 | 7dbe11ac | j_mayer | } |
2804 | 7dbe11ac | j_mayer | |
2805 | 74d37793 | aurel32 | void helper_74xx_tlbd (target_ulong EPN)
|
2806 | 0f3955e2 | aurel32 | { |
2807 | 74d37793 | aurel32 | do_74xx_tlb(EPN, 0);
|
2808 | 0f3955e2 | aurel32 | } |
2809 | 0f3955e2 | aurel32 | |
2810 | 74d37793 | aurel32 | void helper_74xx_tlbi (target_ulong EPN)
|
2811 | 0f3955e2 | aurel32 | { |
2812 | 74d37793 | aurel32 | do_74xx_tlb(EPN, 1);
|
2813 | 0f3955e2 | aurel32 | } |
2814 | 0f3955e2 | aurel32 | |
2815 | a11b8151 | j_mayer | static always_inline target_ulong booke_tlb_to_page_size (int size) |
2816 | a8dea12f | j_mayer | { |
2817 | a8dea12f | j_mayer | return 1024 << (2 * size); |
2818 | a8dea12f | j_mayer | } |
2819 | a8dea12f | j_mayer | |
2820 | a11b8151 | j_mayer | static always_inline int booke_page_size_to_tlb (target_ulong page_size) |
2821 | a8dea12f | j_mayer | { |
2822 | a8dea12f | j_mayer | int size;
|
2823 | a8dea12f | j_mayer | |
2824 | a8dea12f | j_mayer | switch (page_size) {
|
2825 | a8dea12f | j_mayer | case 0x00000400UL: |
2826 | a8dea12f | j_mayer | size = 0x0;
|
2827 | a8dea12f | j_mayer | break;
|
2828 | a8dea12f | j_mayer | case 0x00001000UL: |
2829 | a8dea12f | j_mayer | size = 0x1;
|
2830 | a8dea12f | j_mayer | break;
|
2831 | a8dea12f | j_mayer | case 0x00004000UL: |
2832 | a8dea12f | j_mayer | size = 0x2;
|
2833 | a8dea12f | j_mayer | break;
|
2834 | a8dea12f | j_mayer | case 0x00010000UL: |
2835 | a8dea12f | j_mayer | size = 0x3;
|
2836 | a8dea12f | j_mayer | break;
|
2837 | a8dea12f | j_mayer | case 0x00040000UL: |
2838 | a8dea12f | j_mayer | size = 0x4;
|
2839 | a8dea12f | j_mayer | break;
|
2840 | a8dea12f | j_mayer | case 0x00100000UL: |
2841 | a8dea12f | j_mayer | size = 0x5;
|
2842 | a8dea12f | j_mayer | break;
|
2843 | a8dea12f | j_mayer | case 0x00400000UL: |
2844 | a8dea12f | j_mayer | size = 0x6;
|
2845 | a8dea12f | j_mayer | break;
|
2846 | a8dea12f | j_mayer | case 0x01000000UL: |
2847 | a8dea12f | j_mayer | size = 0x7;
|
2848 | a8dea12f | j_mayer | break;
|
2849 | a8dea12f | j_mayer | case 0x04000000UL: |
2850 | a8dea12f | j_mayer | size = 0x8;
|
2851 | a8dea12f | j_mayer | break;
|
2852 | a8dea12f | j_mayer | case 0x10000000UL: |
2853 | a8dea12f | j_mayer | size = 0x9;
|
2854 | a8dea12f | j_mayer | break;
|
2855 | a8dea12f | j_mayer | case 0x40000000UL: |
2856 | a8dea12f | j_mayer | size = 0xA;
|
2857 | a8dea12f | j_mayer | break;
|
2858 | a8dea12f | j_mayer | #if defined (TARGET_PPC64)
|
2859 | a8dea12f | j_mayer | case 0x000100000000ULL: |
2860 | a8dea12f | j_mayer | size = 0xB;
|
2861 | a8dea12f | j_mayer | break;
|
2862 | a8dea12f | j_mayer | case 0x000400000000ULL: |
2863 | a8dea12f | j_mayer | size = 0xC;
|
2864 | a8dea12f | j_mayer | break;
|
2865 | a8dea12f | j_mayer | case 0x001000000000ULL: |
2866 | a8dea12f | j_mayer | size = 0xD;
|
2867 | a8dea12f | j_mayer | break;
|
2868 | a8dea12f | j_mayer | case 0x004000000000ULL: |
2869 | a8dea12f | j_mayer | size = 0xE;
|
2870 | a8dea12f | j_mayer | break;
|
2871 | a8dea12f | j_mayer | case 0x010000000000ULL: |
2872 | a8dea12f | j_mayer | size = 0xF;
|
2873 | a8dea12f | j_mayer | break;
|
2874 | a8dea12f | j_mayer | #endif
|
2875 | a8dea12f | j_mayer | default:
|
2876 | a8dea12f | j_mayer | size = -1;
|
2877 | a8dea12f | j_mayer | break;
|
2878 | a8dea12f | j_mayer | } |
2879 | a8dea12f | j_mayer | |
2880 | a8dea12f | j_mayer | return size;
|
2881 | a8dea12f | j_mayer | } |
2882 | a8dea12f | j_mayer | |
2883 | 76a66253 | j_mayer | /* Helpers for 4xx TLB management */
|
2884 | 74d37793 | aurel32 | target_ulong helper_4xx_tlbre_lo (target_ulong entry) |
2885 | 76a66253 | j_mayer | { |
2886 | a8dea12f | j_mayer | ppcemb_tlb_t *tlb; |
2887 | 74d37793 | aurel32 | target_ulong ret; |
2888 | a8dea12f | j_mayer | int size;
|
2889 | 76a66253 | j_mayer | |
2890 | 74d37793 | aurel32 | entry &= 0x3F;
|
2891 | 74d37793 | aurel32 | tlb = &env->tlb[entry].tlbe; |
2892 | 74d37793 | aurel32 | ret = tlb->EPN; |
2893 | a8dea12f | j_mayer | if (tlb->prot & PAGE_VALID)
|
2894 | 74d37793 | aurel32 | ret |= 0x400;
|
2895 | a8dea12f | j_mayer | size = booke_page_size_to_tlb(tlb->size); |
2896 | a8dea12f | j_mayer | if (size < 0 || size > 0x7) |
2897 | a8dea12f | j_mayer | size = 1;
|
2898 | 74d37793 | aurel32 | ret |= size << 7;
|
2899 | a8dea12f | j_mayer | env->spr[SPR_40x_PID] = tlb->PID; |
2900 | 74d37793 | aurel32 | return ret;
|
2901 | 76a66253 | j_mayer | } |
2902 | 76a66253 | j_mayer | |
2903 | 74d37793 | aurel32 | target_ulong helper_4xx_tlbre_hi (target_ulong entry) |
2904 | 76a66253 | j_mayer | { |
2905 | a8dea12f | j_mayer | ppcemb_tlb_t *tlb; |
2906 | 74d37793 | aurel32 | target_ulong ret; |
2907 | 76a66253 | j_mayer | |
2908 | 74d37793 | aurel32 | entry &= 0x3F;
|
2909 | 74d37793 | aurel32 | tlb = &env->tlb[entry].tlbe; |
2910 | 74d37793 | aurel32 | ret = tlb->RPN; |
2911 | a8dea12f | j_mayer | if (tlb->prot & PAGE_EXEC)
|
2912 | 74d37793 | aurel32 | ret |= 0x200;
|
2913 | a8dea12f | j_mayer | if (tlb->prot & PAGE_WRITE)
|
2914 | 74d37793 | aurel32 | ret |= 0x100;
|
2915 | 74d37793 | aurel32 | return ret;
|
2916 | 76a66253 | j_mayer | } |
2917 | 76a66253 | j_mayer | |
2918 | 74d37793 | aurel32 | void helper_4xx_tlbwe_hi (target_ulong entry, target_ulong val)
|
2919 | 76a66253 | j_mayer | { |
2920 | a8dea12f | j_mayer | ppcemb_tlb_t *tlb; |
2921 | 76a66253 | j_mayer | target_ulong page, end; |
2922 | 76a66253 | j_mayer | |
2923 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2924 | 6b80055d | j_mayer | if (loglevel != 0) { |
2925 | 0e69805a | aurel32 | fprintf(logfile, "%s entry %d val " ADDRX "\n", __func__, (int)entry, val); |
2926 | c55e9aef | j_mayer | } |
2927 | c55e9aef | j_mayer | #endif
|
2928 | 74d37793 | aurel32 | entry &= 0x3F;
|
2929 | 74d37793 | aurel32 | tlb = &env->tlb[entry].tlbe; |
2930 | 76a66253 | j_mayer | /* Invalidate previous TLB (if it's valid) */
|
2931 | 76a66253 | j_mayer | if (tlb->prot & PAGE_VALID) {
|
2932 | 76a66253 | j_mayer | end = tlb->EPN + tlb->size; |
2933 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2934 | 6b80055d | j_mayer | if (loglevel != 0) { |
2935 | c55e9aef | j_mayer | fprintf(logfile, "%s: invalidate old TLB %d start " ADDRX
|
2936 | 74d37793 | aurel32 | " end " ADDRX "\n", __func__, (int)entry, tlb->EPN, end); |
2937 | c55e9aef | j_mayer | } |
2938 | c55e9aef | j_mayer | #endif
|
2939 | 76a66253 | j_mayer | for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
|
2940 | 76a66253 | j_mayer | tlb_flush_page(env, page); |
2941 | 76a66253 | j_mayer | } |
2942 | 74d37793 | aurel32 | tlb->size = booke_tlb_to_page_size((val >> 7) & 0x7); |
2943 | c294fc58 | j_mayer | /* We cannot handle TLB size < TARGET_PAGE_SIZE.
|
2944 | c294fc58 | j_mayer | * If this ever occurs, one should use the ppcemb target instead
|
2945 | c294fc58 | j_mayer | * of the ppc or ppc64 one
|
2946 | c294fc58 | j_mayer | */
|
2947 | 74d37793 | aurel32 | if ((val & 0x40) && tlb->size < TARGET_PAGE_SIZE) { |
2948 | 71c8b8fd | j_mayer | cpu_abort(env, "TLB size " TARGET_FMT_lu " < %u " |
2949 | 71c8b8fd | j_mayer | "are not supported (%d)\n",
|
2950 | 74d37793 | aurel32 | tlb->size, TARGET_PAGE_SIZE, (int)((val >> 7) & 0x7)); |
2951 | c294fc58 | j_mayer | } |
2952 | 74d37793 | aurel32 | tlb->EPN = val & ~(tlb->size - 1);
|
2953 | 74d37793 | aurel32 | if (val & 0x40) |
2954 | 76a66253 | j_mayer | tlb->prot |= PAGE_VALID; |
2955 | 76a66253 | j_mayer | else
|
2956 | 76a66253 | j_mayer | tlb->prot &= ~PAGE_VALID; |
2957 | 74d37793 | aurel32 | if (val & 0x20) { |
2958 | c294fc58 | j_mayer | /* XXX: TO BE FIXED */
|
2959 | c294fc58 | j_mayer | cpu_abort(env, "Little-endian TLB entries are not supported by now\n");
|
2960 | c294fc58 | j_mayer | } |
2961 | c55e9aef | j_mayer | tlb->PID = env->spr[SPR_40x_PID]; /* PID */
|
2962 | 74d37793 | aurel32 | tlb->attr = val & 0xFF;
|
2963 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2964 | c294fc58 | j_mayer | if (loglevel != 0) { |
2965 | c294fc58 | j_mayer | fprintf(logfile, "%s: set up TLB %d RPN " PADDRX " EPN " ADDRX |
2966 | c55e9aef | j_mayer | " size " ADDRX " prot %c%c%c%c PID %d\n", __func__, |
2967 | 0e69805a | aurel32 | (int)entry, tlb->RPN, tlb->EPN, tlb->size,
|
2968 | c55e9aef | j_mayer | tlb->prot & PAGE_READ ? 'r' : '-', |
2969 | c55e9aef | j_mayer | tlb->prot & PAGE_WRITE ? 'w' : '-', |
2970 | c55e9aef | j_mayer | tlb->prot & PAGE_EXEC ? 'x' : '-', |
2971 | c55e9aef | j_mayer | tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID); |
2972 | c55e9aef | j_mayer | } |
2973 | c55e9aef | j_mayer | #endif
|
2974 | 76a66253 | j_mayer | /* Invalidate new TLB (if valid) */
|
2975 | 76a66253 | j_mayer | if (tlb->prot & PAGE_VALID) {
|
2976 | 76a66253 | j_mayer | end = tlb->EPN + tlb->size; |
2977 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2978 | 6b80055d | j_mayer | if (loglevel != 0) { |
2979 | c55e9aef | j_mayer | fprintf(logfile, "%s: invalidate TLB %d start " ADDRX
|
2980 | 0e69805a | aurel32 | " end " ADDRX "\n", __func__, (int)entry, tlb->EPN, end); |
2981 | c55e9aef | j_mayer | } |
2982 | c55e9aef | j_mayer | #endif
|
2983 | 76a66253 | j_mayer | for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
|
2984 | 76a66253 | j_mayer | tlb_flush_page(env, page); |
2985 | 76a66253 | j_mayer | } |
2986 | 76a66253 | j_mayer | } |
2987 | 76a66253 | j_mayer | |
2988 | 74d37793 | aurel32 | void helper_4xx_tlbwe_lo (target_ulong entry, target_ulong val)
|
2989 | 76a66253 | j_mayer | { |
2990 | a8dea12f | j_mayer | ppcemb_tlb_t *tlb; |
2991 | 76a66253 | j_mayer | |
2992 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2993 | 6b80055d | j_mayer | if (loglevel != 0) { |
2994 | 0e69805a | aurel32 | fprintf(logfile, "%s entry %i val " ADDRX "\n", __func__, (int)entry, val); |
2995 | c55e9aef | j_mayer | } |
2996 | c55e9aef | j_mayer | #endif
|
2997 | 74d37793 | aurel32 | entry &= 0x3F;
|
2998 | 74d37793 | aurel32 | tlb = &env->tlb[entry].tlbe; |
2999 | 74d37793 | aurel32 | tlb->RPN = val & 0xFFFFFC00;
|
3000 | 76a66253 | j_mayer | tlb->prot = PAGE_READ; |
3001 | 74d37793 | aurel32 | if (val & 0x200) |
3002 | 76a66253 | j_mayer | tlb->prot |= PAGE_EXEC; |
3003 | 74d37793 | aurel32 | if (val & 0x100) |
3004 | 76a66253 | j_mayer | tlb->prot |= PAGE_WRITE; |
3005 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
3006 | 6b80055d | j_mayer | if (loglevel != 0) { |
3007 | 6b80055d | j_mayer | fprintf(logfile, "%s: set up TLB %d RPN " PADDRX " EPN " ADDRX |
3008 | c55e9aef | j_mayer | " size " ADDRX " prot %c%c%c%c PID %d\n", __func__, |
3009 | 74d37793 | aurel32 | (int)entry, tlb->RPN, tlb->EPN, tlb->size,
|
3010 | c55e9aef | j_mayer | tlb->prot & PAGE_READ ? 'r' : '-', |
3011 | c55e9aef | j_mayer | tlb->prot & PAGE_WRITE ? 'w' : '-', |
3012 | c55e9aef | j_mayer | tlb->prot & PAGE_EXEC ? 'x' : '-', |
3013 | c55e9aef | j_mayer | tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID); |
3014 | c55e9aef | j_mayer | } |
3015 | c55e9aef | j_mayer | #endif
|
3016 | 76a66253 | j_mayer | } |
3017 | 5eb7995e | j_mayer | |
3018 | 74d37793 | aurel32 | target_ulong helper_4xx_tlbsx (target_ulong address) |
3019 | 74d37793 | aurel32 | { |
3020 | 74d37793 | aurel32 | return ppcemb_tlb_search(env, address, env->spr[SPR_40x_PID]);
|
3021 | 74d37793 | aurel32 | } |
3022 | 74d37793 | aurel32 | |
3023 | a4bb6c3e | j_mayer | /* PowerPC 440 TLB management */
|
3024 | 74d37793 | aurel32 | void helper_440_tlbwe (uint32_t word, target_ulong entry, target_ulong value)
|
3025 | 5eb7995e | j_mayer | { |
3026 | 5eb7995e | j_mayer | ppcemb_tlb_t *tlb; |
3027 | a4bb6c3e | j_mayer | target_ulong EPN, RPN, size; |
3028 | 5eb7995e | j_mayer | int do_flush_tlbs;
|
3029 | 5eb7995e | j_mayer | |
3030 | 5eb7995e | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
3031 | 5eb7995e | j_mayer | if (loglevel != 0) { |
3032 | 0e69805a | aurel32 | fprintf(logfile, "%s word %d entry %d value " ADDRX "\n", |
3033 | 0e69805a | aurel32 | __func__, word, (int)entry, value);
|
3034 | 5eb7995e | j_mayer | } |
3035 | 5eb7995e | j_mayer | #endif
|
3036 | 5eb7995e | j_mayer | do_flush_tlbs = 0;
|
3037 | 74d37793 | aurel32 | entry &= 0x3F;
|
3038 | 74d37793 | aurel32 | tlb = &env->tlb[entry].tlbe; |
3039 | a4bb6c3e | j_mayer | switch (word) {
|
3040 | a4bb6c3e | j_mayer | default:
|
3041 | a4bb6c3e | j_mayer | /* Just here to please gcc */
|
3042 | a4bb6c3e | j_mayer | case 0: |
3043 | 74d37793 | aurel32 | EPN = value & 0xFFFFFC00;
|
3044 | a4bb6c3e | j_mayer | if ((tlb->prot & PAGE_VALID) && EPN != tlb->EPN)
|
3045 | 5eb7995e | j_mayer | do_flush_tlbs = 1;
|
3046 | a4bb6c3e | j_mayer | tlb->EPN = EPN; |
3047 | 74d37793 | aurel32 | size = booke_tlb_to_page_size((value >> 4) & 0xF); |
3048 | a4bb6c3e | j_mayer | if ((tlb->prot & PAGE_VALID) && tlb->size < size)
|
3049 | a4bb6c3e | j_mayer | do_flush_tlbs = 1;
|
3050 | a4bb6c3e | j_mayer | tlb->size = size; |
3051 | a4bb6c3e | j_mayer | tlb->attr &= ~0x1;
|
3052 | 74d37793 | aurel32 | tlb->attr |= (value >> 8) & 1; |
3053 | 74d37793 | aurel32 | if (value & 0x200) { |
3054 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_VALID; |
3055 | a4bb6c3e | j_mayer | } else {
|
3056 | a4bb6c3e | j_mayer | if (tlb->prot & PAGE_VALID) {
|
3057 | a4bb6c3e | j_mayer | tlb->prot &= ~PAGE_VALID; |
3058 | a4bb6c3e | j_mayer | do_flush_tlbs = 1;
|
3059 | a4bb6c3e | j_mayer | } |
3060 | 5eb7995e | j_mayer | } |
3061 | a4bb6c3e | j_mayer | tlb->PID = env->spr[SPR_440_MMUCR] & 0x000000FF;
|
3062 | a4bb6c3e | j_mayer | if (do_flush_tlbs)
|
3063 | a4bb6c3e | j_mayer | tlb_flush(env, 1);
|
3064 | a4bb6c3e | j_mayer | break;
|
3065 | a4bb6c3e | j_mayer | case 1: |
3066 | 74d37793 | aurel32 | RPN = value & 0xFFFFFC0F;
|
3067 | a4bb6c3e | j_mayer | if ((tlb->prot & PAGE_VALID) && tlb->RPN != RPN)
|
3068 | a4bb6c3e | j_mayer | tlb_flush(env, 1);
|
3069 | a4bb6c3e | j_mayer | tlb->RPN = RPN; |
3070 | a4bb6c3e | j_mayer | break;
|
3071 | a4bb6c3e | j_mayer | case 2: |
3072 | 74d37793 | aurel32 | tlb->attr = (tlb->attr & 0x1) | (value & 0x0000FF00); |
3073 | a4bb6c3e | j_mayer | tlb->prot = tlb->prot & PAGE_VALID; |
3074 | 74d37793 | aurel32 | if (value & 0x1) |
3075 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_READ << 4;
|
3076 | 74d37793 | aurel32 | if (value & 0x2) |
3077 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_WRITE << 4;
|
3078 | 74d37793 | aurel32 | if (value & 0x4) |
3079 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_EXEC << 4;
|
3080 | 74d37793 | aurel32 | if (value & 0x8) |
3081 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_READ; |
3082 | 74d37793 | aurel32 | if (value & 0x10) |
3083 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_WRITE; |
3084 | 74d37793 | aurel32 | if (value & 0x20) |
3085 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_EXEC; |
3086 | a4bb6c3e | j_mayer | break;
|
3087 | 5eb7995e | j_mayer | } |
3088 | 5eb7995e | j_mayer | } |
3089 | 5eb7995e | j_mayer | |
3090 | 74d37793 | aurel32 | target_ulong helper_440_tlbre (uint32_t word, target_ulong entry) |
3091 | 5eb7995e | j_mayer | { |
3092 | 5eb7995e | j_mayer | ppcemb_tlb_t *tlb; |
3093 | 74d37793 | aurel32 | target_ulong ret; |
3094 | 5eb7995e | j_mayer | int size;
|
3095 | 5eb7995e | j_mayer | |
3096 | 74d37793 | aurel32 | entry &= 0x3F;
|
3097 | 74d37793 | aurel32 | tlb = &env->tlb[entry].tlbe; |
3098 | a4bb6c3e | j_mayer | switch (word) {
|
3099 | a4bb6c3e | j_mayer | default:
|
3100 | a4bb6c3e | j_mayer | /* Just here to please gcc */
|
3101 | a4bb6c3e | j_mayer | case 0: |
3102 | 74d37793 | aurel32 | ret = tlb->EPN; |
3103 | a4bb6c3e | j_mayer | size = booke_page_size_to_tlb(tlb->size); |
3104 | a4bb6c3e | j_mayer | if (size < 0 || size > 0xF) |
3105 | a4bb6c3e | j_mayer | size = 1;
|
3106 | 74d37793 | aurel32 | ret |= size << 4;
|
3107 | a4bb6c3e | j_mayer | if (tlb->attr & 0x1) |
3108 | 74d37793 | aurel32 | ret |= 0x100;
|
3109 | a4bb6c3e | j_mayer | if (tlb->prot & PAGE_VALID)
|
3110 | 74d37793 | aurel32 | ret |= 0x200;
|
3111 | a4bb6c3e | j_mayer | env->spr[SPR_440_MMUCR] &= ~0x000000FF;
|
3112 | a4bb6c3e | j_mayer | env->spr[SPR_440_MMUCR] |= tlb->PID; |
3113 | a4bb6c3e | j_mayer | break;
|
3114 | a4bb6c3e | j_mayer | case 1: |
3115 | 74d37793 | aurel32 | ret = tlb->RPN; |
3116 | a4bb6c3e | j_mayer | break;
|
3117 | a4bb6c3e | j_mayer | case 2: |
3118 | 74d37793 | aurel32 | ret = tlb->attr & ~0x1;
|
3119 | a4bb6c3e | j_mayer | if (tlb->prot & (PAGE_READ << 4)) |
3120 | 74d37793 | aurel32 | ret |= 0x1;
|
3121 | a4bb6c3e | j_mayer | if (tlb->prot & (PAGE_WRITE << 4)) |
3122 | 74d37793 | aurel32 | ret |= 0x2;
|
3123 | a4bb6c3e | j_mayer | if (tlb->prot & (PAGE_EXEC << 4)) |
3124 | 74d37793 | aurel32 | ret |= 0x4;
|
3125 | a4bb6c3e | j_mayer | if (tlb->prot & PAGE_READ)
|
3126 | 74d37793 | aurel32 | ret |= 0x8;
|
3127 | a4bb6c3e | j_mayer | if (tlb->prot & PAGE_WRITE)
|
3128 | 74d37793 | aurel32 | ret |= 0x10;
|
3129 | a4bb6c3e | j_mayer | if (tlb->prot & PAGE_EXEC)
|
3130 | 74d37793 | aurel32 | ret |= 0x20;
|
3131 | a4bb6c3e | j_mayer | break;
|
3132 | a4bb6c3e | j_mayer | } |
3133 | 74d37793 | aurel32 | return ret;
|
3134 | 5eb7995e | j_mayer | } |
3135 | 74d37793 | aurel32 | |
3136 | 74d37793 | aurel32 | target_ulong helper_440_tlbsx (target_ulong address) |
3137 | 74d37793 | aurel32 | { |
3138 | 74d37793 | aurel32 | return ppcemb_tlb_search(env, address, env->spr[SPR_440_MMUCR] & 0xFF); |
3139 | 74d37793 | aurel32 | } |
3140 | 74d37793 | aurel32 | |
3141 | 76a66253 | j_mayer | #endif /* !CONFIG_USER_ONLY */ |