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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 | 9a64fbe4 | bellard | |
23 | 0411a972 | j_mayer | #include "helper_regs.h" |
24 | 0487d6a8 | j_mayer | #include "op_helper.h" |
25 | 0487d6a8 | j_mayer | |
26 | 9a64fbe4 | bellard | #define MEMSUFFIX _raw
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27 | 0487d6a8 | j_mayer | #include "op_helper.h" |
28 | 9a64fbe4 | bellard | #include "op_helper_mem.h" |
29 | a541f297 | bellard | #if !defined(CONFIG_USER_ONLY)
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30 | 9a64fbe4 | bellard | #define MEMSUFFIX _user
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31 | 0487d6a8 | j_mayer | #include "op_helper.h" |
32 | 9a64fbe4 | bellard | #include "op_helper_mem.h" |
33 | 9a64fbe4 | bellard | #define MEMSUFFIX _kernel
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34 | 0487d6a8 | j_mayer | #include "op_helper.h" |
35 | 9a64fbe4 | bellard | #include "op_helper_mem.h" |
36 | 1e42b8f0 | j_mayer | #define MEMSUFFIX _hypv
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37 | 1e42b8f0 | j_mayer | #include "op_helper.h" |
38 | 1e42b8f0 | j_mayer | #include "op_helper_mem.h" |
39 | 1e42b8f0 | j_mayer | #endif
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40 | 9a64fbe4 | bellard | |
41 | fdabc366 | bellard | //#define DEBUG_OP
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42 | fdabc366 | bellard | //#define DEBUG_EXCEPTIONS
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43 | 76a66253 | j_mayer | //#define DEBUG_SOFTWARE_TLB
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44 | fdabc366 | bellard | |
45 | 9a64fbe4 | bellard | /*****************************************************************************/
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46 | 9a64fbe4 | bellard | /* Exceptions processing helpers */
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47 | 9a64fbe4 | bellard | |
48 | 9fddaa0c | bellard | void do_raise_exception_err (uint32_t exception, int error_code) |
49 | 9a64fbe4 | bellard | { |
50 | 9fddaa0c | bellard | #if 0
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51 | 9fddaa0c | bellard | printf("Raise exception %3x code : %d\n", exception, error_code);
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52 | 9fddaa0c | bellard | #endif
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53 | 9fddaa0c | bellard | env->exception_index = exception; |
54 | 9fddaa0c | bellard | env->error_code = error_code; |
55 | 76a66253 | j_mayer | cpu_loop_exit(); |
56 | 76a66253 | j_mayer | } |
57 | 9fddaa0c | bellard | |
58 | 9fddaa0c | bellard | void do_raise_exception (uint32_t exception)
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59 | 9fddaa0c | bellard | { |
60 | 9fddaa0c | bellard | do_raise_exception_err(exception, 0);
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61 | 9a64fbe4 | bellard | } |
62 | 9a64fbe4 | bellard | |
63 | a496775f | j_mayer | void cpu_dump_EA (target_ulong EA);
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64 | a496775f | j_mayer | void do_print_mem_EA (target_ulong EA)
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65 | a496775f | j_mayer | { |
66 | a496775f | j_mayer | cpu_dump_EA(EA); |
67 | a496775f | j_mayer | } |
68 | a496775f | j_mayer | |
69 | 9a64fbe4 | bellard | /*****************************************************************************/
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70 | 76a66253 | j_mayer | /* Registers load and stores */
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71 | 6676f424 | aurel32 | void do_load_cr (void) |
72 | 76a66253 | j_mayer | { |
73 | 6676f424 | aurel32 | T0 = (env->crf[0] << 28) | |
74 | 6676f424 | aurel32 | (env->crf[1] << 24) | |
75 | 6676f424 | aurel32 | (env->crf[2] << 20) | |
76 | 6676f424 | aurel32 | (env->crf[3] << 16) | |
77 | 6676f424 | aurel32 | (env->crf[4] << 12) | |
78 | 6676f424 | aurel32 | (env->crf[5] << 8) | |
79 | 6676f424 | aurel32 | (env->crf[6] << 4) | |
80 | 6676f424 | aurel32 | (env->crf[7] << 0); |
81 | 76a66253 | j_mayer | } |
82 | 76a66253 | j_mayer | |
83 | 76a66253 | j_mayer | void do_store_cr (uint32_t mask)
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84 | 76a66253 | j_mayer | { |
85 | 76a66253 | j_mayer | int i, sh;
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86 | 76a66253 | j_mayer | |
87 | 36081602 | j_mayer | for (i = 0, sh = 7; i < 8; i++, sh--) { |
88 | 76a66253 | j_mayer | if (mask & (1 << sh)) |
89 | 76a66253 | j_mayer | env->crf[i] = (T0 >> (sh * 4)) & 0xFUL; |
90 | 76a66253 | j_mayer | } |
91 | 76a66253 | j_mayer | } |
92 | 76a66253 | j_mayer | |
93 | c80f84e3 | j_mayer | #if defined(TARGET_PPC64)
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94 | c80f84e3 | j_mayer | void do_store_pri (int prio) |
95 | c80f84e3 | j_mayer | { |
96 | c80f84e3 | j_mayer | env->spr[SPR_PPR] &= ~0x001C000000000000ULL;
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97 | c80f84e3 | j_mayer | env->spr[SPR_PPR] |= ((uint64_t)prio & 0x7) << 50; |
98 | c80f84e3 | j_mayer | } |
99 | c80f84e3 | j_mayer | #endif
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100 | c80f84e3 | j_mayer | |
101 | a496775f | j_mayer | target_ulong ppc_load_dump_spr (int sprn)
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102 | a496775f | j_mayer | { |
103 | 6b80055d | j_mayer | if (loglevel != 0) { |
104 | a496775f | j_mayer | fprintf(logfile, "Read SPR %d %03x => " ADDRX "\n", |
105 | a496775f | j_mayer | sprn, sprn, env->spr[sprn]); |
106 | a496775f | j_mayer | } |
107 | a496775f | j_mayer | |
108 | a496775f | j_mayer | return env->spr[sprn];
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109 | a496775f | j_mayer | } |
110 | a496775f | j_mayer | |
111 | a496775f | j_mayer | void ppc_store_dump_spr (int sprn, target_ulong val) |
112 | a496775f | j_mayer | { |
113 | 6b80055d | j_mayer | if (loglevel != 0) { |
114 | a496775f | j_mayer | fprintf(logfile, "Write SPR %d %03x => " ADDRX " <= " ADDRX "\n", |
115 | a496775f | j_mayer | sprn, sprn, env->spr[sprn], val); |
116 | a496775f | j_mayer | } |
117 | a496775f | j_mayer | env->spr[sprn] = val; |
118 | a496775f | j_mayer | } |
119 | a496775f | j_mayer | |
120 | 76a66253 | j_mayer | /*****************************************************************************/
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121 | fdabc366 | bellard | /* Fixed point operations helpers */
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122 | fdabc366 | bellard | void do_adde (void) |
123 | fdabc366 | bellard | { |
124 | fdabc366 | bellard | T2 = T0; |
125 | fdabc366 | bellard | T0 += T1 + xer_ca; |
126 | d9bce9d9 | j_mayer | if (likely(!((uint32_t)T0 < (uint32_t)T2 ||
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127 | d9bce9d9 | j_mayer | (xer_ca == 1 && (uint32_t)T0 == (uint32_t)T2)))) {
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128 | fdabc366 | bellard | xer_ca = 0;
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129 | fdabc366 | bellard | } else {
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130 | fdabc366 | bellard | xer_ca = 1;
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131 | fdabc366 | bellard | } |
132 | fdabc366 | bellard | } |
133 | fdabc366 | bellard | |
134 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
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135 | d9bce9d9 | j_mayer | void do_adde_64 (void) |
136 | fdabc366 | bellard | { |
137 | fdabc366 | bellard | T2 = T0; |
138 | fdabc366 | bellard | T0 += T1 + xer_ca; |
139 | d9bce9d9 | j_mayer | if (likely(!((uint64_t)T0 < (uint64_t)T2 ||
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140 | d9bce9d9 | j_mayer | (xer_ca == 1 && (uint64_t)T0 == (uint64_t)T2)))) {
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141 | fdabc366 | bellard | xer_ca = 0;
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142 | fdabc366 | bellard | } else {
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143 | fdabc366 | bellard | xer_ca = 1;
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144 | fdabc366 | bellard | } |
145 | fdabc366 | bellard | } |
146 | d9bce9d9 | j_mayer | #endif
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147 | fdabc366 | bellard | |
148 | fdabc366 | bellard | void do_addmeo (void) |
149 | fdabc366 | bellard | { |
150 | fdabc366 | bellard | T1 = T0; |
151 | fdabc366 | bellard | T0 += xer_ca + (-1);
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152 | c3e10c7b | j_mayer | xer_ov = ((uint32_t)T1 & ((uint32_t)T1 ^ (uint32_t)T0)) >> 31;
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153 | c3e10c7b | j_mayer | xer_so |= xer_ov; |
154 | fdabc366 | bellard | if (likely(T1 != 0)) |
155 | fdabc366 | bellard | xer_ca = 1;
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156 | c3e10c7b | j_mayer | else
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157 | c3e10c7b | j_mayer | xer_ca = 0;
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158 | fdabc366 | bellard | } |
159 | fdabc366 | bellard | |
160 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
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161 | d9bce9d9 | j_mayer | void do_addmeo_64 (void) |
162 | fdabc366 | bellard | { |
163 | fdabc366 | bellard | T1 = T0; |
164 | d9bce9d9 | j_mayer | T0 += xer_ca + (-1);
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165 | c3e10c7b | j_mayer | xer_ov = ((uint64_t)T1 & ((uint64_t)T1 ^ (uint64_t)T0)) >> 63;
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166 | c3e10c7b | j_mayer | xer_so |= xer_ov; |
167 | d9bce9d9 | j_mayer | if (likely(T1 != 0)) |
168 | fdabc366 | bellard | xer_ca = 1;
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169 | c3e10c7b | j_mayer | else
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170 | c3e10c7b | j_mayer | xer_ca = 0;
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171 | fdabc366 | bellard | } |
172 | d9bce9d9 | j_mayer | #endif
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173 | fdabc366 | bellard | |
174 | fdabc366 | bellard | void do_divwo (void) |
175 | fdabc366 | bellard | { |
176 | 6f2d8978 | j_mayer | if (likely(!(((int32_t)T0 == INT32_MIN && (int32_t)T1 == (int32_t)-1) || |
177 | d9bce9d9 | j_mayer | (int32_t)T1 == 0))) {
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178 | fdabc366 | bellard | xer_ov = 0;
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179 | d9bce9d9 | j_mayer | T0 = (int32_t)T0 / (int32_t)T1; |
180 | fdabc366 | bellard | } else {
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181 | fdabc366 | bellard | xer_ov = 1;
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182 | 6f2d8978 | j_mayer | T0 = UINT32_MAX * ((uint32_t)T0 >> 31);
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183 | fdabc366 | bellard | } |
184 | 6f2d8978 | j_mayer | xer_so |= xer_ov; |
185 | fdabc366 | bellard | } |
186 | fdabc366 | bellard | |
187 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
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188 | d9bce9d9 | j_mayer | void do_divdo (void) |
189 | d9bce9d9 | j_mayer | { |
190 | 6f2d8978 | j_mayer | if (likely(!(((int64_t)T0 == INT64_MIN && (int64_t)T1 == (int64_t)-1LL) || |
191 | d9bce9d9 | j_mayer | (int64_t)T1 == 0))) {
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192 | d9bce9d9 | j_mayer | xer_ov = 0;
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193 | d9bce9d9 | j_mayer | T0 = (int64_t)T0 / (int64_t)T1; |
194 | d9bce9d9 | j_mayer | } else {
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195 | d9bce9d9 | j_mayer | xer_ov = 1;
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196 | 6f2d8978 | j_mayer | T0 = UINT64_MAX * ((uint64_t)T0 >> 63);
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197 | d9bce9d9 | j_mayer | } |
198 | 6f2d8978 | j_mayer | xer_so |= xer_ov; |
199 | d9bce9d9 | j_mayer | } |
200 | d9bce9d9 | j_mayer | #endif
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201 | d9bce9d9 | j_mayer | |
202 | fdabc366 | bellard | void do_divwuo (void) |
203 | fdabc366 | bellard | { |
204 | fdabc366 | bellard | if (likely((uint32_t)T1 != 0)) { |
205 | fdabc366 | bellard | xer_ov = 0;
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206 | fdabc366 | bellard | T0 = (uint32_t)T0 / (uint32_t)T1; |
207 | fdabc366 | bellard | } else {
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208 | fdabc366 | bellard | xer_ov = 1;
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209 | 966439a6 | j_mayer | xer_so = 1;
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210 | fdabc366 | bellard | T0 = 0;
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211 | fdabc366 | bellard | } |
212 | fdabc366 | bellard | } |
213 | fdabc366 | bellard | |
214 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
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215 | d9bce9d9 | j_mayer | void do_divduo (void) |
216 | d9bce9d9 | j_mayer | { |
217 | d9bce9d9 | j_mayer | if (likely((uint64_t)T1 != 0)) { |
218 | d9bce9d9 | j_mayer | xer_ov = 0;
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219 | d9bce9d9 | j_mayer | T0 = (uint64_t)T0 / (uint64_t)T1; |
220 | d9bce9d9 | j_mayer | } else {
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221 | d9bce9d9 | j_mayer | xer_ov = 1;
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222 | 966439a6 | j_mayer | xer_so = 1;
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223 | d9bce9d9 | j_mayer | T0 = 0;
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224 | d9bce9d9 | j_mayer | } |
225 | d9bce9d9 | j_mayer | } |
226 | d9bce9d9 | j_mayer | #endif
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227 | d9bce9d9 | j_mayer | |
228 | fdabc366 | bellard | void do_mullwo (void) |
229 | fdabc366 | bellard | { |
230 | d9bce9d9 | j_mayer | int64_t res = (int64_t)T0 * (int64_t)T1; |
231 | fdabc366 | bellard | |
232 | fdabc366 | bellard | if (likely((int32_t)res == res)) {
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233 | fdabc366 | bellard | xer_ov = 0;
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234 | fdabc366 | bellard | } else {
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235 | fdabc366 | bellard | xer_ov = 1;
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236 | fdabc366 | bellard | xer_so = 1;
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237 | fdabc366 | bellard | } |
238 | fdabc366 | bellard | T0 = (int32_t)res; |
239 | fdabc366 | bellard | } |
240 | fdabc366 | bellard | |
241 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
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242 | d9bce9d9 | j_mayer | void do_mulldo (void) |
243 | fdabc366 | bellard | { |
244 | d9bce9d9 | j_mayer | int64_t th; |
245 | d9bce9d9 | j_mayer | uint64_t tl; |
246 | d9bce9d9 | j_mayer | |
247 | 9d901a20 | j_mayer | muls64(&tl, &th, T0, T1); |
248 | 6f2d8978 | j_mayer | T0 = (int64_t)tl; |
249 | 88ad920b | j_mayer | /* If th != 0 && th != -1, then we had an overflow */
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250 | 6f2d8978 | j_mayer | if (likely((uint64_t)(th + 1) <= 1)) { |
251 | fdabc366 | bellard | xer_ov = 0;
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252 | fdabc366 | bellard | } else {
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253 | fdabc366 | bellard | xer_ov = 1;
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254 | fdabc366 | bellard | } |
255 | 6f2d8978 | j_mayer | xer_so |= xer_ov; |
256 | fdabc366 | bellard | } |
257 | d9bce9d9 | j_mayer | #endif
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258 | fdabc366 | bellard | |
259 | d9bce9d9 | j_mayer | void do_nego (void) |
260 | fdabc366 | bellard | { |
261 | d9bce9d9 | j_mayer | if (likely((int32_t)T0 != INT32_MIN)) {
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262 | fdabc366 | bellard | xer_ov = 0;
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263 | d9bce9d9 | j_mayer | T0 = -(int32_t)T0; |
264 | fdabc366 | bellard | } else {
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265 | fdabc366 | bellard | xer_ov = 1;
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266 | d9bce9d9 | j_mayer | xer_so = 1;
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267 | fdabc366 | bellard | } |
268 | fdabc366 | bellard | } |
269 | fdabc366 | bellard | |
270 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
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271 | d9bce9d9 | j_mayer | void do_nego_64 (void) |
272 | fdabc366 | bellard | { |
273 | d9bce9d9 | j_mayer | if (likely((int64_t)T0 != INT64_MIN)) {
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274 | fdabc366 | bellard | xer_ov = 0;
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275 | d9bce9d9 | j_mayer | T0 = -(int64_t)T0; |
276 | fdabc366 | bellard | } else {
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277 | fdabc366 | bellard | xer_ov = 1;
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278 | d9bce9d9 | j_mayer | xer_so = 1;
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279 | fdabc366 | bellard | } |
280 | fdabc366 | bellard | } |
281 | d9bce9d9 | j_mayer | #endif
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282 | fdabc366 | bellard | |
283 | fdabc366 | bellard | void do_subfe (void) |
284 | fdabc366 | bellard | { |
285 | fdabc366 | bellard | T0 = T1 + ~T0 + xer_ca; |
286 | d9bce9d9 | j_mayer | if (likely((uint32_t)T0 >= (uint32_t)T1 &&
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287 | d9bce9d9 | j_mayer | (xer_ca == 0 || (uint32_t)T0 != (uint32_t)T1))) {
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288 | fdabc366 | bellard | xer_ca = 0;
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289 | fdabc366 | bellard | } else {
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290 | fdabc366 | bellard | xer_ca = 1;
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291 | fdabc366 | bellard | } |
292 | fdabc366 | bellard | } |
293 | fdabc366 | bellard | |
294 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
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295 | d9bce9d9 | j_mayer | void do_subfe_64 (void) |
296 | fdabc366 | bellard | { |
297 | fdabc366 | bellard | T0 = T1 + ~T0 + xer_ca; |
298 | d9bce9d9 | j_mayer | if (likely((uint64_t)T0 >= (uint64_t)T1 &&
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299 | d9bce9d9 | j_mayer | (xer_ca == 0 || (uint64_t)T0 != (uint64_t)T1))) {
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300 | d9bce9d9 | j_mayer | xer_ca = 0;
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301 | d9bce9d9 | j_mayer | } else {
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302 | d9bce9d9 | j_mayer | xer_ca = 1;
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303 | d9bce9d9 | j_mayer | } |
304 | d9bce9d9 | j_mayer | } |
305 | d9bce9d9 | j_mayer | #endif
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306 | d9bce9d9 | j_mayer | |
307 | d9bce9d9 | j_mayer | void do_subfmeo (void) |
308 | d9bce9d9 | j_mayer | { |
309 | d9bce9d9 | j_mayer | T1 = T0; |
310 | d9bce9d9 | j_mayer | T0 = ~T0 + xer_ca - 1;
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311 | c3e10c7b | j_mayer | xer_ov = ((uint32_t)~T1 & ((uint32_t)~T1 ^ (uint32_t)T0)) >> 31;
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312 | c3e10c7b | j_mayer | xer_so |= xer_ov; |
313 | d9bce9d9 | j_mayer | if (likely((uint32_t)T1 != UINT32_MAX))
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314 | fdabc366 | bellard | xer_ca = 1;
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315 | c3e10c7b | j_mayer | else
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316 | c3e10c7b | j_mayer | xer_ca = 0;
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317 | fdabc366 | bellard | } |
318 | fdabc366 | bellard | |
319 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
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320 | d9bce9d9 | j_mayer | void do_subfmeo_64 (void) |
321 | fdabc366 | bellard | { |
322 | fdabc366 | bellard | T1 = T0; |
323 | fdabc366 | bellard | T0 = ~T0 + xer_ca - 1;
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324 | c3e10c7b | j_mayer | xer_ov = ((uint64_t)~T1 & ((uint64_t)~T1 ^ (uint64_t)T0)) >> 63;
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325 | c3e10c7b | j_mayer | xer_so |= xer_ov; |
326 | d9bce9d9 | j_mayer | if (likely((uint64_t)T1 != UINT64_MAX))
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327 | fdabc366 | bellard | xer_ca = 1;
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328 | c3e10c7b | j_mayer | else
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329 | c3e10c7b | j_mayer | xer_ca = 0;
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330 | fdabc366 | bellard | } |
331 | d9bce9d9 | j_mayer | #endif
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332 | fdabc366 | bellard | |
333 | fdabc366 | bellard | void do_subfzeo (void) |
334 | fdabc366 | bellard | { |
335 | fdabc366 | bellard | T1 = T0; |
336 | fdabc366 | bellard | T0 = ~T0 + xer_ca; |
337 | c3e10c7b | j_mayer | xer_ov = (((uint32_t)~T1 ^ UINT32_MAX) & |
338 | c3e10c7b | j_mayer | ((uint32_t)(~T1) ^ (uint32_t)T0)) >> 31;
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339 | c3e10c7b | j_mayer | xer_so |= xer_ov; |
340 | d9bce9d9 | j_mayer | if (likely((uint32_t)T0 >= (uint32_t)~T1)) {
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341 | fdabc366 | bellard | xer_ca = 0;
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342 | fdabc366 | bellard | } else {
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343 | fdabc366 | bellard | xer_ca = 1;
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344 | fdabc366 | bellard | } |
345 | fdabc366 | bellard | } |
346 | fdabc366 | bellard | |
347 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
348 | d9bce9d9 | j_mayer | void do_subfzeo_64 (void) |
349 | d9bce9d9 | j_mayer | { |
350 | d9bce9d9 | j_mayer | T1 = T0; |
351 | d9bce9d9 | j_mayer | T0 = ~T0 + xer_ca; |
352 | c3e10c7b | j_mayer | xer_ov = (((uint64_t)~T1 ^ UINT64_MAX) & |
353 | c3e10c7b | j_mayer | ((uint64_t)(~T1) ^ (uint64_t)T0)) >> 63;
|
354 | c3e10c7b | j_mayer | xer_so |= xer_ov; |
355 | d9bce9d9 | j_mayer | if (likely((uint64_t)T0 >= (uint64_t)~T1)) {
|
356 | d9bce9d9 | j_mayer | xer_ca = 0;
|
357 | d9bce9d9 | j_mayer | } else {
|
358 | d9bce9d9 | j_mayer | xer_ca = 1;
|
359 | d9bce9d9 | j_mayer | } |
360 | d9bce9d9 | j_mayer | } |
361 | d9bce9d9 | j_mayer | #endif
|
362 | d9bce9d9 | j_mayer | |
363 | 603fccce | j_mayer | void do_cntlzw (void) |
364 | 603fccce | j_mayer | { |
365 | 603fccce | j_mayer | T0 = clz32(T0); |
366 | 603fccce | j_mayer | } |
367 | 603fccce | j_mayer | |
368 | 603fccce | j_mayer | #if defined(TARGET_PPC64)
|
369 | 603fccce | j_mayer | void do_cntlzd (void) |
370 | 603fccce | j_mayer | { |
371 | 603fccce | j_mayer | T0 = clz64(T0); |
372 | 603fccce | j_mayer | } |
373 | 603fccce | j_mayer | #endif
|
374 | 603fccce | j_mayer | |
375 | 9a64fbe4 | bellard | /* shift right arithmetic helper */
|
376 | 9a64fbe4 | bellard | void do_sraw (void) |
377 | 9a64fbe4 | bellard | { |
378 | 9a64fbe4 | bellard | int32_t ret; |
379 | 9a64fbe4 | bellard | |
380 | fdabc366 | bellard | if (likely(!(T1 & 0x20UL))) { |
381 | d9bce9d9 | j_mayer | if (likely((uint32_t)T1 != 0)) { |
382 | fdabc366 | bellard | ret = (int32_t)T0 >> (T1 & 0x1fUL);
|
383 | fdabc366 | bellard | if (likely(ret >= 0 || ((int32_t)T0 & ((1 << T1) - 1)) == 0)) { |
384 | 76a66253 | j_mayer | xer_ca = 0;
|
385 | fdabc366 | bellard | } else {
|
386 | 76a66253 | j_mayer | xer_ca = 1;
|
387 | fdabc366 | bellard | } |
388 | fdabc366 | bellard | } else {
|
389 | 76a66253 | j_mayer | ret = T0; |
390 | fdabc366 | bellard | xer_ca = 0;
|
391 | fdabc366 | bellard | } |
392 | fdabc366 | bellard | } else {
|
393 | 6f2d8978 | j_mayer | ret = UINT32_MAX * ((uint32_t)T0 >> 31);
|
394 | fdabc366 | bellard | if (likely(ret >= 0 || ((uint32_t)T0 & ~0x80000000UL) == 0)) { |
395 | fdabc366 | bellard | xer_ca = 0;
|
396 | 76a66253 | j_mayer | } else {
|
397 | 9a64fbe4 | bellard | xer_ca = 1;
|
398 | 76a66253 | j_mayer | } |
399 | fdabc366 | bellard | } |
400 | 4b3686fa | bellard | T0 = ret; |
401 | 9a64fbe4 | bellard | } |
402 | 9a64fbe4 | bellard | |
403 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
404 | d9bce9d9 | j_mayer | void do_srad (void) |
405 | d9bce9d9 | j_mayer | { |
406 | d9bce9d9 | j_mayer | int64_t ret; |
407 | d9bce9d9 | j_mayer | |
408 | d9bce9d9 | j_mayer | if (likely(!(T1 & 0x40UL))) { |
409 | d9bce9d9 | j_mayer | if (likely((uint64_t)T1 != 0)) { |
410 | d9bce9d9 | j_mayer | ret = (int64_t)T0 >> (T1 & 0x3FUL);
|
411 | d9bce9d9 | j_mayer | if (likely(ret >= 0 || ((int64_t)T0 & ((1 << T1) - 1)) == 0)) { |
412 | d9bce9d9 | j_mayer | xer_ca = 0;
|
413 | d9bce9d9 | j_mayer | } else {
|
414 | d9bce9d9 | j_mayer | xer_ca = 1;
|
415 | d9bce9d9 | j_mayer | } |
416 | d9bce9d9 | j_mayer | } else {
|
417 | d9bce9d9 | j_mayer | ret = T0; |
418 | d9bce9d9 | j_mayer | xer_ca = 0;
|
419 | d9bce9d9 | j_mayer | } |
420 | d9bce9d9 | j_mayer | } else {
|
421 | 6f2d8978 | j_mayer | ret = UINT64_MAX * ((uint64_t)T0 >> 63);
|
422 | d9bce9d9 | j_mayer | if (likely(ret >= 0 || ((uint64_t)T0 & ~0x8000000000000000ULL) == 0)) { |
423 | d9bce9d9 | j_mayer | xer_ca = 0;
|
424 | d9bce9d9 | j_mayer | } else {
|
425 | d9bce9d9 | j_mayer | xer_ca = 1;
|
426 | d9bce9d9 | j_mayer | } |
427 | d9bce9d9 | j_mayer | } |
428 | d9bce9d9 | j_mayer | T0 = ret; |
429 | d9bce9d9 | j_mayer | } |
430 | d9bce9d9 | j_mayer | #endif
|
431 | d9bce9d9 | j_mayer | |
432 | 6676f424 | aurel32 | void do_popcntb (void) |
433 | d9bce9d9 | j_mayer | { |
434 | d9bce9d9 | j_mayer | uint32_t ret; |
435 | d9bce9d9 | j_mayer | int i;
|
436 | d9bce9d9 | j_mayer | |
437 | d9bce9d9 | j_mayer | ret = 0;
|
438 | d9bce9d9 | j_mayer | for (i = 0; i < 32; i += 8) |
439 | 6676f424 | aurel32 | ret |= ctpop8((T0 >> i) & 0xFF) << i;
|
440 | 6676f424 | aurel32 | T0 = ret; |
441 | d9bce9d9 | j_mayer | } |
442 | d9bce9d9 | j_mayer | |
443 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
444 | 6676f424 | aurel32 | void do_popcntb_64 (void) |
445 | d9bce9d9 | j_mayer | { |
446 | d9bce9d9 | j_mayer | uint64_t ret; |
447 | d9bce9d9 | j_mayer | int i;
|
448 | d9bce9d9 | j_mayer | |
449 | d9bce9d9 | j_mayer | ret = 0;
|
450 | d9bce9d9 | j_mayer | for (i = 0; i < 64; i += 8) |
451 | 6676f424 | aurel32 | ret |= ctpop8((T0 >> i) & 0xFF) << i;
|
452 | 6676f424 | aurel32 | T0 = ret; |
453 | d9bce9d9 | j_mayer | } |
454 | d9bce9d9 | j_mayer | #endif
|
455 | d9bce9d9 | j_mayer | |
456 | fdabc366 | bellard | /*****************************************************************************/
|
457 | 9a64fbe4 | bellard | /* Floating point operations helpers */
|
458 | 0ca9d380 | aurel32 | static always_inline int fpisneg (float64 d) |
459 | 7c58044c | j_mayer | { |
460 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
461 | 7c58044c | j_mayer | |
462 | 0ca9d380 | aurel32 | u.d = d; |
463 | 7c58044c | j_mayer | |
464 | 0ca9d380 | aurel32 | return u.ll >> 63 != 0; |
465 | 7c58044c | j_mayer | } |
466 | 7c58044c | j_mayer | |
467 | 0ca9d380 | aurel32 | static always_inline int isden (float64 d) |
468 | 7c58044c | j_mayer | { |
469 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
470 | 7c58044c | j_mayer | |
471 | 0ca9d380 | aurel32 | u.d = d; |
472 | 7c58044c | j_mayer | |
473 | 0ca9d380 | aurel32 | return ((u.ll >> 52) & 0x7FF) == 0; |
474 | 7c58044c | j_mayer | } |
475 | 7c58044c | j_mayer | |
476 | 0ca9d380 | aurel32 | static always_inline int iszero (float64 d) |
477 | 7c58044c | j_mayer | { |
478 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
479 | 7c58044c | j_mayer | |
480 | 0ca9d380 | aurel32 | u.d = d; |
481 | 7c58044c | j_mayer | |
482 | 0ca9d380 | aurel32 | return (u.ll & ~0x8000000000000000ULL) == 0; |
483 | 7c58044c | j_mayer | } |
484 | 7c58044c | j_mayer | |
485 | 0ca9d380 | aurel32 | static always_inline int isinfinity (float64 d) |
486 | 7c58044c | j_mayer | { |
487 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
488 | 7c58044c | j_mayer | |
489 | 0ca9d380 | aurel32 | u.d = d; |
490 | 7c58044c | j_mayer | |
491 | 0ca9d380 | aurel32 | return ((u.ll >> 52) & 0x7FF) == 0x7FF && |
492 | 0ca9d380 | aurel32 | (u.ll & 0x000FFFFFFFFFFFFFULL) == 0; |
493 | 7c58044c | j_mayer | } |
494 | 7c58044c | j_mayer | |
495 | 80621676 | aurel32 | #ifdef CONFIG_SOFTFLOAT
|
496 | 80621676 | aurel32 | static always_inline int isfinite (float64 d) |
497 | 80621676 | aurel32 | { |
498 | 80621676 | aurel32 | CPU_DoubleU u; |
499 | 80621676 | aurel32 | |
500 | 80621676 | aurel32 | u.d = d; |
501 | 80621676 | aurel32 | |
502 | 80621676 | aurel32 | return (((u.ll >> 52) & 0x7FF) != 0x7FF); |
503 | 80621676 | aurel32 | } |
504 | 80621676 | aurel32 | |
505 | 80621676 | aurel32 | static always_inline int isnormal (float64 d) |
506 | 80621676 | aurel32 | { |
507 | 80621676 | aurel32 | CPU_DoubleU u; |
508 | 80621676 | aurel32 | |
509 | 80621676 | aurel32 | u.d = d; |
510 | 80621676 | aurel32 | |
511 | 80621676 | aurel32 | uint32_t exp = (u.ll >> 52) & 0x7FF; |
512 | 80621676 | aurel32 | return ((0 < exp) && (exp < 0x7FF)); |
513 | 80621676 | aurel32 | } |
514 | 80621676 | aurel32 | #endif
|
515 | 80621676 | aurel32 | |
516 | 7c58044c | j_mayer | void do_compute_fprf (int set_fprf) |
517 | 7c58044c | j_mayer | { |
518 | 7c58044c | j_mayer | int isneg;
|
519 | 7c58044c | j_mayer | |
520 | 7c58044c | j_mayer | isneg = fpisneg(FT0); |
521 | 7c58044c | j_mayer | if (unlikely(float64_is_nan(FT0))) {
|
522 | 7c58044c | j_mayer | if (float64_is_signaling_nan(FT0)) {
|
523 | 7c58044c | j_mayer | /* Signaling NaN: flags are undefined */
|
524 | 7c58044c | j_mayer | T0 = 0x00;
|
525 | 7c58044c | j_mayer | } else {
|
526 | 7c58044c | j_mayer | /* Quiet NaN */
|
527 | 7c58044c | j_mayer | T0 = 0x11;
|
528 | 7c58044c | j_mayer | } |
529 | 7c58044c | j_mayer | } else if (unlikely(isinfinity(FT0))) { |
530 | 7c58044c | j_mayer | /* +/- infinity */
|
531 | 7c58044c | j_mayer | if (isneg)
|
532 | 7c58044c | j_mayer | T0 = 0x09;
|
533 | 7c58044c | j_mayer | else
|
534 | 7c58044c | j_mayer | T0 = 0x05;
|
535 | 7c58044c | j_mayer | } else {
|
536 | 7c58044c | j_mayer | if (iszero(FT0)) {
|
537 | 7c58044c | j_mayer | /* +/- zero */
|
538 | 7c58044c | j_mayer | if (isneg)
|
539 | 7c58044c | j_mayer | T0 = 0x12;
|
540 | 7c58044c | j_mayer | else
|
541 | 7c58044c | j_mayer | T0 = 0x02;
|
542 | 7c58044c | j_mayer | } else {
|
543 | 7c58044c | j_mayer | if (isden(FT0)) {
|
544 | 7c58044c | j_mayer | /* Denormalized numbers */
|
545 | 7c58044c | j_mayer | T0 = 0x10;
|
546 | 7c58044c | j_mayer | } else {
|
547 | 7c58044c | j_mayer | /* Normalized numbers */
|
548 | 7c58044c | j_mayer | T0 = 0x00;
|
549 | 7c58044c | j_mayer | } |
550 | 7c58044c | j_mayer | if (isneg) {
|
551 | 7c58044c | j_mayer | T0 |= 0x08;
|
552 | 7c58044c | j_mayer | } else {
|
553 | 7c58044c | j_mayer | T0 |= 0x04;
|
554 | 7c58044c | j_mayer | } |
555 | 7c58044c | j_mayer | } |
556 | 7c58044c | j_mayer | } |
557 | 7c58044c | j_mayer | if (set_fprf) {
|
558 | 7c58044c | j_mayer | /* We update FPSCR_FPRF */
|
559 | 7c58044c | j_mayer | env->fpscr &= ~(0x1F << FPSCR_FPRF);
|
560 | 7c58044c | j_mayer | env->fpscr |= T0 << FPSCR_FPRF; |
561 | 7c58044c | j_mayer | } |
562 | 7c58044c | j_mayer | /* We just need fpcc to update Rc1 */
|
563 | 7c58044c | j_mayer | T0 &= 0xF;
|
564 | 7c58044c | j_mayer | } |
565 | 7c58044c | j_mayer | |
566 | 7c58044c | j_mayer | /* Floating-point invalid operations exception */
|
567 | 7c58044c | j_mayer | static always_inline void fload_invalid_op_excp (int op) |
568 | 7c58044c | j_mayer | { |
569 | 7c58044c | j_mayer | int ve;
|
570 | 7c58044c | j_mayer | |
571 | 7c58044c | j_mayer | ve = fpscr_ve; |
572 | 7c58044c | j_mayer | if (op & POWERPC_EXCP_FP_VXSNAN) {
|
573 | 7c58044c | j_mayer | /* Operation on signaling NaN */
|
574 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXSNAN;
|
575 | 7c58044c | j_mayer | } |
576 | 7c58044c | j_mayer | if (op & POWERPC_EXCP_FP_VXSOFT) {
|
577 | 7c58044c | j_mayer | /* Software-defined condition */
|
578 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXSOFT;
|
579 | 7c58044c | j_mayer | } |
580 | 7c58044c | j_mayer | switch (op & ~(POWERPC_EXCP_FP_VXSOFT | POWERPC_EXCP_FP_VXSNAN)) {
|
581 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXISI:
|
582 | 7c58044c | j_mayer | /* Magnitude subtraction of infinities */
|
583 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXISI;
|
584 | 7c58044c | j_mayer | goto update_arith;
|
585 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXIDI:
|
586 | 7c58044c | j_mayer | /* Division of infinity by infinity */
|
587 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXIDI;
|
588 | 7c58044c | j_mayer | goto update_arith;
|
589 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXZDZ:
|
590 | 7c58044c | j_mayer | /* Division of zero by zero */
|
591 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXZDZ;
|
592 | 7c58044c | j_mayer | goto update_arith;
|
593 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXIMZ:
|
594 | 7c58044c | j_mayer | /* Multiplication of zero by infinity */
|
595 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXIMZ;
|
596 | 7c58044c | j_mayer | goto update_arith;
|
597 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXVC:
|
598 | 7c58044c | j_mayer | /* Ordered comparison of NaN */
|
599 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXVC;
|
600 | 7c58044c | j_mayer | env->fpscr &= ~(0xF << FPSCR_FPCC);
|
601 | 7c58044c | j_mayer | env->fpscr |= 0x11 << FPSCR_FPCC;
|
602 | 7c58044c | j_mayer | /* We must update the target FPR before raising the exception */
|
603 | 7c58044c | j_mayer | if (ve != 0) { |
604 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
605 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_VXVC; |
606 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
607 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
608 | 7c58044c | j_mayer | /* Exception is differed */
|
609 | 7c58044c | j_mayer | ve = 0;
|
610 | 7c58044c | j_mayer | } |
611 | 7c58044c | j_mayer | break;
|
612 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXSQRT:
|
613 | 7c58044c | j_mayer | /* Square root of a negative number */
|
614 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXSQRT;
|
615 | 7c58044c | j_mayer | update_arith:
|
616 | 7c58044c | j_mayer | env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI)); |
617 | 7c58044c | j_mayer | if (ve == 0) { |
618 | 7c58044c | j_mayer | /* Set the result to quiet NaN */
|
619 | 6f2d8978 | j_mayer | FT0 = UINT64_MAX; |
620 | 7c58044c | j_mayer | env->fpscr &= ~(0xF << FPSCR_FPCC);
|
621 | 7c58044c | j_mayer | env->fpscr |= 0x11 << FPSCR_FPCC;
|
622 | 7c58044c | j_mayer | } |
623 | 7c58044c | j_mayer | break;
|
624 | 7c58044c | j_mayer | case POWERPC_EXCP_FP_VXCVI:
|
625 | 7c58044c | j_mayer | /* Invalid conversion */
|
626 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VXCVI;
|
627 | 7c58044c | j_mayer | env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI)); |
628 | 7c58044c | j_mayer | if (ve == 0) { |
629 | 7c58044c | j_mayer | /* Set the result to quiet NaN */
|
630 | 6f2d8978 | j_mayer | FT0 = UINT64_MAX; |
631 | 7c58044c | j_mayer | env->fpscr &= ~(0xF << FPSCR_FPCC);
|
632 | 7c58044c | j_mayer | env->fpscr |= 0x11 << FPSCR_FPCC;
|
633 | 7c58044c | j_mayer | } |
634 | 7c58044c | j_mayer | break;
|
635 | 7c58044c | j_mayer | } |
636 | 7c58044c | j_mayer | /* Update the floating-point invalid operation summary */
|
637 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VX;
|
638 | 7c58044c | j_mayer | /* Update the floating-point exception summary */
|
639 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
640 | 7c58044c | j_mayer | if (ve != 0) { |
641 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
642 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
643 | 7c58044c | j_mayer | if (msr_fe0 != 0 || msr_fe1 != 0) |
644 | 7c58044c | j_mayer | do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op); |
645 | 7c58044c | j_mayer | } |
646 | 7c58044c | j_mayer | } |
647 | 7c58044c | j_mayer | |
648 | 7c58044c | j_mayer | static always_inline void float_zero_divide_excp (void) |
649 | 7c58044c | j_mayer | { |
650 | 0ca9d380 | aurel32 | CPU_DoubleU u0, u1; |
651 | 7c58044c | j_mayer | |
652 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_ZX;
|
653 | 7c58044c | j_mayer | env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI)); |
654 | 7c58044c | j_mayer | /* Update the floating-point exception summary */
|
655 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
656 | 7c58044c | j_mayer | if (fpscr_ze != 0) { |
657 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
658 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
659 | 7c58044c | j_mayer | if (msr_fe0 != 0 || msr_fe1 != 0) { |
660 | 7c58044c | j_mayer | do_raise_exception_err(POWERPC_EXCP_PROGRAM, |
661 | 7c58044c | j_mayer | POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX); |
662 | 7c58044c | j_mayer | } |
663 | 7c58044c | j_mayer | } else {
|
664 | 7c58044c | j_mayer | /* Set the result to infinity */
|
665 | 0ca9d380 | aurel32 | u0.d = FT0; |
666 | 0ca9d380 | aurel32 | u1.d = FT1; |
667 | 0ca9d380 | aurel32 | u0.ll = ((u0.ll ^ u1.ll) & 0x8000000000000000ULL);
|
668 | 0ca9d380 | aurel32 | u0.ll |= 0x7FFULL << 52; |
669 | 0ca9d380 | aurel32 | FT0 = u0.d; |
670 | 7c58044c | j_mayer | } |
671 | 7c58044c | j_mayer | } |
672 | 7c58044c | j_mayer | |
673 | 7c58044c | j_mayer | static always_inline void float_overflow_excp (void) |
674 | 7c58044c | j_mayer | { |
675 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_OX;
|
676 | 7c58044c | j_mayer | /* Update the floating-point exception summary */
|
677 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
678 | 7c58044c | j_mayer | if (fpscr_oe != 0) { |
679 | 7c58044c | j_mayer | /* XXX: should adjust the result */
|
680 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
681 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
682 | 7c58044c | j_mayer | /* We must update the target FPR before raising the exception */
|
683 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
684 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX; |
685 | 7c58044c | j_mayer | } else {
|
686 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_XX;
|
687 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FI;
|
688 | 7c58044c | j_mayer | } |
689 | 7c58044c | j_mayer | } |
690 | 7c58044c | j_mayer | |
691 | 7c58044c | j_mayer | static always_inline void float_underflow_excp (void) |
692 | 7c58044c | j_mayer | { |
693 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_UX;
|
694 | 7c58044c | j_mayer | /* Update the floating-point exception summary */
|
695 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
696 | 7c58044c | j_mayer | if (fpscr_ue != 0) { |
697 | 7c58044c | j_mayer | /* XXX: should adjust the result */
|
698 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
699 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
700 | 7c58044c | j_mayer | /* We must update the target FPR before raising the exception */
|
701 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
702 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX; |
703 | 7c58044c | j_mayer | } |
704 | 7c58044c | j_mayer | } |
705 | 7c58044c | j_mayer | |
706 | 7c58044c | j_mayer | static always_inline void float_inexact_excp (void) |
707 | 7c58044c | j_mayer | { |
708 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_XX;
|
709 | 7c58044c | j_mayer | /* Update the floating-point exception summary */
|
710 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
711 | 7c58044c | j_mayer | if (fpscr_xe != 0) { |
712 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
713 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
714 | 7c58044c | j_mayer | /* We must update the target FPR before raising the exception */
|
715 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
716 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX; |
717 | 7c58044c | j_mayer | } |
718 | 7c58044c | j_mayer | } |
719 | 7c58044c | j_mayer | |
720 | 7c58044c | j_mayer | static always_inline void fpscr_set_rounding_mode (void) |
721 | 7c58044c | j_mayer | { |
722 | 7c58044c | j_mayer | int rnd_type;
|
723 | 7c58044c | j_mayer | |
724 | 7c58044c | j_mayer | /* Set rounding mode */
|
725 | 7c58044c | j_mayer | switch (fpscr_rn) {
|
726 | 7c58044c | j_mayer | case 0: |
727 | 7c58044c | j_mayer | /* Best approximation (round to nearest) */
|
728 | 7c58044c | j_mayer | rnd_type = float_round_nearest_even; |
729 | 7c58044c | j_mayer | break;
|
730 | 7c58044c | j_mayer | case 1: |
731 | 7c58044c | j_mayer | /* Smaller magnitude (round toward zero) */
|
732 | 7c58044c | j_mayer | rnd_type = float_round_to_zero; |
733 | 7c58044c | j_mayer | break;
|
734 | 7c58044c | j_mayer | case 2: |
735 | 7c58044c | j_mayer | /* Round toward +infinite */
|
736 | 7c58044c | j_mayer | rnd_type = float_round_up; |
737 | 7c58044c | j_mayer | break;
|
738 | 7c58044c | j_mayer | default:
|
739 | 7c58044c | j_mayer | case 3: |
740 | 7c58044c | j_mayer | /* Round toward -infinite */
|
741 | 7c58044c | j_mayer | rnd_type = float_round_down; |
742 | 7c58044c | j_mayer | break;
|
743 | 7c58044c | j_mayer | } |
744 | 7c58044c | j_mayer | set_float_rounding_mode(rnd_type, &env->fp_status); |
745 | 7c58044c | j_mayer | } |
746 | 7c58044c | j_mayer | |
747 | 7c58044c | j_mayer | void do_fpscr_setbit (int bit) |
748 | 7c58044c | j_mayer | { |
749 | 7c58044c | j_mayer | int prev;
|
750 | 7c58044c | j_mayer | |
751 | 7c58044c | j_mayer | prev = (env->fpscr >> bit) & 1;
|
752 | 7c58044c | j_mayer | env->fpscr |= 1 << bit;
|
753 | 7c58044c | j_mayer | if (prev == 0) { |
754 | 7c58044c | j_mayer | switch (bit) {
|
755 | 7c58044c | j_mayer | case FPSCR_VX:
|
756 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
757 | 7c58044c | j_mayer | if (fpscr_ve)
|
758 | 7c58044c | j_mayer | goto raise_ve;
|
759 | 7c58044c | j_mayer | case FPSCR_OX:
|
760 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
761 | 7c58044c | j_mayer | if (fpscr_oe)
|
762 | 7c58044c | j_mayer | goto raise_oe;
|
763 | 7c58044c | j_mayer | break;
|
764 | 7c58044c | j_mayer | case FPSCR_UX:
|
765 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
766 | 7c58044c | j_mayer | if (fpscr_ue)
|
767 | 7c58044c | j_mayer | goto raise_ue;
|
768 | 7c58044c | j_mayer | break;
|
769 | 7c58044c | j_mayer | case FPSCR_ZX:
|
770 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
771 | 7c58044c | j_mayer | if (fpscr_ze)
|
772 | 7c58044c | j_mayer | goto raise_ze;
|
773 | 7c58044c | j_mayer | break;
|
774 | 7c58044c | j_mayer | case FPSCR_XX:
|
775 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
776 | 7c58044c | j_mayer | if (fpscr_xe)
|
777 | 7c58044c | j_mayer | goto raise_xe;
|
778 | 7c58044c | j_mayer | break;
|
779 | 7c58044c | j_mayer | case FPSCR_VXSNAN:
|
780 | 7c58044c | j_mayer | case FPSCR_VXISI:
|
781 | 7c58044c | j_mayer | case FPSCR_VXIDI:
|
782 | 7c58044c | j_mayer | case FPSCR_VXZDZ:
|
783 | 7c58044c | j_mayer | case FPSCR_VXIMZ:
|
784 | 7c58044c | j_mayer | case FPSCR_VXVC:
|
785 | 7c58044c | j_mayer | case FPSCR_VXSOFT:
|
786 | 7c58044c | j_mayer | case FPSCR_VXSQRT:
|
787 | 7c58044c | j_mayer | case FPSCR_VXCVI:
|
788 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VX;
|
789 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FX;
|
790 | 7c58044c | j_mayer | if (fpscr_ve != 0) |
791 | 7c58044c | j_mayer | goto raise_ve;
|
792 | 7c58044c | j_mayer | break;
|
793 | 7c58044c | j_mayer | case FPSCR_VE:
|
794 | 7c58044c | j_mayer | if (fpscr_vx != 0) { |
795 | 7c58044c | j_mayer | raise_ve:
|
796 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP; |
797 | 7c58044c | j_mayer | if (fpscr_vxsnan)
|
798 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXSNAN; |
799 | 7c58044c | j_mayer | if (fpscr_vxisi)
|
800 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXISI; |
801 | 7c58044c | j_mayer | if (fpscr_vxidi)
|
802 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXIDI; |
803 | 7c58044c | j_mayer | if (fpscr_vxzdz)
|
804 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXZDZ; |
805 | 7c58044c | j_mayer | if (fpscr_vximz)
|
806 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXIMZ; |
807 | 7c58044c | j_mayer | if (fpscr_vxvc)
|
808 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXVC; |
809 | 7c58044c | j_mayer | if (fpscr_vxsoft)
|
810 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXSOFT; |
811 | 7c58044c | j_mayer | if (fpscr_vxsqrt)
|
812 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXSQRT; |
813 | 7c58044c | j_mayer | if (fpscr_vxcvi)
|
814 | 7c58044c | j_mayer | env->error_code |= POWERPC_EXCP_FP_VXCVI; |
815 | 7c58044c | j_mayer | goto raise_excp;
|
816 | 7c58044c | j_mayer | } |
817 | 7c58044c | j_mayer | break;
|
818 | 7c58044c | j_mayer | case FPSCR_OE:
|
819 | 7c58044c | j_mayer | if (fpscr_ox != 0) { |
820 | 7c58044c | j_mayer | raise_oe:
|
821 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX; |
822 | 7c58044c | j_mayer | goto raise_excp;
|
823 | 7c58044c | j_mayer | } |
824 | 7c58044c | j_mayer | break;
|
825 | 7c58044c | j_mayer | case FPSCR_UE:
|
826 | 7c58044c | j_mayer | if (fpscr_ux != 0) { |
827 | 7c58044c | j_mayer | raise_ue:
|
828 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX; |
829 | 7c58044c | j_mayer | goto raise_excp;
|
830 | 7c58044c | j_mayer | } |
831 | 7c58044c | j_mayer | break;
|
832 | 7c58044c | j_mayer | case FPSCR_ZE:
|
833 | 7c58044c | j_mayer | if (fpscr_zx != 0) { |
834 | 7c58044c | j_mayer | raise_ze:
|
835 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX; |
836 | 7c58044c | j_mayer | goto raise_excp;
|
837 | 7c58044c | j_mayer | } |
838 | 7c58044c | j_mayer | break;
|
839 | 7c58044c | j_mayer | case FPSCR_XE:
|
840 | 7c58044c | j_mayer | if (fpscr_xx != 0) { |
841 | 7c58044c | j_mayer | raise_xe:
|
842 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX; |
843 | 7c58044c | j_mayer | goto raise_excp;
|
844 | 7c58044c | j_mayer | } |
845 | 7c58044c | j_mayer | break;
|
846 | 7c58044c | j_mayer | case FPSCR_RN1:
|
847 | 7c58044c | j_mayer | case FPSCR_RN:
|
848 | 7c58044c | j_mayer | fpscr_set_rounding_mode(); |
849 | 7c58044c | j_mayer | break;
|
850 | 7c58044c | j_mayer | default:
|
851 | 7c58044c | j_mayer | break;
|
852 | 7c58044c | j_mayer | raise_excp:
|
853 | 7c58044c | j_mayer | /* Update the floating-point enabled exception summary */
|
854 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
855 | 7c58044c | j_mayer | /* We have to update Rc1 before raising the exception */
|
856 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
857 | 7c58044c | j_mayer | break;
|
858 | 7c58044c | j_mayer | } |
859 | 7c58044c | j_mayer | } |
860 | 7c58044c | j_mayer | } |
861 | 7c58044c | j_mayer | |
862 | 7c58044c | j_mayer | #if defined(WORDS_BIGENDIAN)
|
863 | 7c58044c | j_mayer | #define WORD0 0 |
864 | 7c58044c | j_mayer | #define WORD1 1 |
865 | 7c58044c | j_mayer | #else
|
866 | 7c58044c | j_mayer | #define WORD0 1 |
867 | 7c58044c | j_mayer | #define WORD1 0 |
868 | 7c58044c | j_mayer | #endif
|
869 | 7c58044c | j_mayer | void do_store_fpscr (uint32_t mask)
|
870 | 7c58044c | j_mayer | { |
871 | 7c58044c | j_mayer | /*
|
872 | 7c58044c | j_mayer | * We use only the 32 LSB of the incoming fpr
|
873 | 7c58044c | j_mayer | */
|
874 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
875 | 7c58044c | j_mayer | uint32_t prev, new; |
876 | 7c58044c | j_mayer | int i;
|
877 | 7c58044c | j_mayer | |
878 | 7c58044c | j_mayer | u.d = FT0; |
879 | 7c58044c | j_mayer | prev = env->fpscr; |
880 | 0ca9d380 | aurel32 | new = u.l.lower; |
881 | 7c58044c | j_mayer | new &= ~0x90000000;
|
882 | 7c58044c | j_mayer | new |= prev & 0x90000000;
|
883 | 7c58044c | j_mayer | for (i = 0; i < 7; i++) { |
884 | 7c58044c | j_mayer | if (mask & (1 << i)) { |
885 | 7c58044c | j_mayer | env->fpscr &= ~(0xF << (4 * i)); |
886 | 7c58044c | j_mayer | env->fpscr |= new & (0xF << (4 * i)); |
887 | 7c58044c | j_mayer | } |
888 | 7c58044c | j_mayer | } |
889 | 7c58044c | j_mayer | /* Update VX and FEX */
|
890 | 7c58044c | j_mayer | if (fpscr_ix != 0) |
891 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_VX;
|
892 | 5567025f | aurel32 | else
|
893 | 5567025f | aurel32 | env->fpscr &= ~(1 << FPSCR_VX);
|
894 | 7c58044c | j_mayer | if ((fpscr_ex & fpscr_eex) != 0) { |
895 | 7c58044c | j_mayer | env->fpscr |= 1 << FPSCR_FEX;
|
896 | 7c58044c | j_mayer | env->exception_index = POWERPC_EXCP_PROGRAM; |
897 | 7c58044c | j_mayer | /* XXX: we should compute it properly */
|
898 | 7c58044c | j_mayer | env->error_code = POWERPC_EXCP_FP; |
899 | 7c58044c | j_mayer | } |
900 | 5567025f | aurel32 | else
|
901 | 5567025f | aurel32 | env->fpscr &= ~(1 << FPSCR_FEX);
|
902 | 7c58044c | j_mayer | fpscr_set_rounding_mode(); |
903 | 7c58044c | j_mayer | } |
904 | 7c58044c | j_mayer | #undef WORD0
|
905 | 7c58044c | j_mayer | #undef WORD1
|
906 | 7c58044c | j_mayer | |
907 | 7c58044c | j_mayer | #ifdef CONFIG_SOFTFLOAT
|
908 | 7c58044c | j_mayer | void do_float_check_status (void) |
909 | 7c58044c | j_mayer | { |
910 | 7c58044c | j_mayer | if (env->exception_index == POWERPC_EXCP_PROGRAM &&
|
911 | 7c58044c | j_mayer | (env->error_code & POWERPC_EXCP_FP)) { |
912 | 7c58044c | j_mayer | /* Differred floating-point exception after target FPR update */
|
913 | 7c58044c | j_mayer | if (msr_fe0 != 0 || msr_fe1 != 0) |
914 | 7c58044c | j_mayer | do_raise_exception_err(env->exception_index, env->error_code); |
915 | 7c58044c | j_mayer | } else if (env->fp_status.float_exception_flags & float_flag_overflow) { |
916 | 7c58044c | j_mayer | float_overflow_excp(); |
917 | 7c58044c | j_mayer | } else if (env->fp_status.float_exception_flags & float_flag_underflow) { |
918 | 7c58044c | j_mayer | float_underflow_excp(); |
919 | 7c58044c | j_mayer | } else if (env->fp_status.float_exception_flags & float_flag_inexact) { |
920 | 7c58044c | j_mayer | float_inexact_excp(); |
921 | 7c58044c | j_mayer | } |
922 | 7c58044c | j_mayer | } |
923 | 7c58044c | j_mayer | #endif
|
924 | 7c58044c | j_mayer | |
925 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
926 | 7c58044c | j_mayer | void do_fadd (void) |
927 | 7c58044c | j_mayer | { |
928 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0) ||
|
929 | 7c58044c | j_mayer | float64_is_signaling_nan(FT1))) { |
930 | 7c58044c | j_mayer | /* sNaN addition */
|
931 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
932 | 7c58044c | j_mayer | } else if (likely(isfinite(FT0) || isfinite(FT1) || |
933 | 7c58044c | j_mayer | fpisneg(FT0) == fpisneg(FT1))) { |
934 | 7c58044c | j_mayer | FT0 = float64_add(FT0, FT1, &env->fp_status); |
935 | 7c58044c | j_mayer | } else {
|
936 | 7c58044c | j_mayer | /* Magnitude subtraction of infinities */
|
937 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI); |
938 | 7c58044c | j_mayer | } |
939 | 7c58044c | j_mayer | } |
940 | 7c58044c | j_mayer | |
941 | 7c58044c | j_mayer | void do_fsub (void) |
942 | 7c58044c | j_mayer | { |
943 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0) ||
|
944 | 7c58044c | j_mayer | float64_is_signaling_nan(FT1))) { |
945 | 7c58044c | j_mayer | /* sNaN subtraction */
|
946 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
947 | 7c58044c | j_mayer | } else if (likely(isfinite(FT0) || isfinite(FT1) || |
948 | 7c58044c | j_mayer | fpisneg(FT0) != fpisneg(FT1))) { |
949 | 7c58044c | j_mayer | FT0 = float64_sub(FT0, FT1, &env->fp_status); |
950 | 7c58044c | j_mayer | } else {
|
951 | 7c58044c | j_mayer | /* Magnitude subtraction of infinities */
|
952 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXISI); |
953 | 7c58044c | j_mayer | } |
954 | 7c58044c | j_mayer | } |
955 | 7c58044c | j_mayer | |
956 | 7c58044c | j_mayer | void do_fmul (void) |
957 | 7c58044c | j_mayer | { |
958 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0) ||
|
959 | 7c58044c | j_mayer | float64_is_signaling_nan(FT1))) { |
960 | 7c58044c | j_mayer | /* sNaN multiplication */
|
961 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
962 | 5bda2843 | j_mayer | } else if (unlikely((isinfinity(FT0) && iszero(FT1)) || |
963 | 5bda2843 | j_mayer | (iszero(FT0) && isinfinity(FT1)))) { |
964 | 7c58044c | j_mayer | /* Multiplication of zero by infinity */
|
965 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXIMZ); |
966 | 7c58044c | j_mayer | } else {
|
967 | 7c58044c | j_mayer | FT0 = float64_mul(FT0, FT1, &env->fp_status); |
968 | 7c58044c | j_mayer | } |
969 | 7c58044c | j_mayer | } |
970 | 7c58044c | j_mayer | |
971 | 7c58044c | j_mayer | void do_fdiv (void) |
972 | 7c58044c | j_mayer | { |
973 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0) ||
|
974 | 7c58044c | j_mayer | float64_is_signaling_nan(FT1))) { |
975 | 7c58044c | j_mayer | /* sNaN division */
|
976 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
977 | 7c58044c | j_mayer | } else if (unlikely(isinfinity(FT0) && isinfinity(FT1))) { |
978 | 7c58044c | j_mayer | /* Division of infinity by infinity */
|
979 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXIDI); |
980 | 7c58044c | j_mayer | } else if (unlikely(iszero(FT1))) { |
981 | 7c58044c | j_mayer | if (iszero(FT0)) {
|
982 | 7c58044c | j_mayer | /* Division of zero by zero */
|
983 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXZDZ); |
984 | 7c58044c | j_mayer | } else {
|
985 | 7c58044c | j_mayer | /* Division by zero */
|
986 | 7c58044c | j_mayer | float_zero_divide_excp(); |
987 | 7c58044c | j_mayer | } |
988 | 7c58044c | j_mayer | } else {
|
989 | 7c58044c | j_mayer | FT0 = float64_div(FT0, FT1, &env->fp_status); |
990 | 7c58044c | j_mayer | } |
991 | 7c58044c | j_mayer | } |
992 | 1cdb9c3d | aurel32 | #endif /* USE_PRECISE_EMULATION */ |
993 | 7c58044c | j_mayer | |
994 | 9a64fbe4 | bellard | void do_fctiw (void) |
995 | 9a64fbe4 | bellard | { |
996 | 0ca9d380 | aurel32 | CPU_DoubleU p; |
997 | 9a64fbe4 | bellard | |
998 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0))) {
|
999 | 7c58044c | j_mayer | /* sNaN conversion */
|
1000 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); |
1001 | 7c58044c | j_mayer | } else if (unlikely(float64_is_nan(FT0) || isinfinity(FT0))) { |
1002 | 7c58044c | j_mayer | /* qNan / infinity conversion */
|
1003 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); |
1004 | 7c58044c | j_mayer | } else {
|
1005 | 0ca9d380 | aurel32 | p.ll = float64_to_int32(FT0, &env->fp_status); |
1006 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1007 | 7c58044c | j_mayer | /* XXX: higher bits are not supposed to be significant.
|
1008 | 7c58044c | j_mayer | * to make tests easier, return the same as a real PowerPC 750
|
1009 | 7c58044c | j_mayer | */
|
1010 | 0ca9d380 | aurel32 | p.ll |= 0xFFF80000ULL << 32; |
1011 | e864cabd | j_mayer | #endif
|
1012 | 7c58044c | j_mayer | FT0 = p.d; |
1013 | 7c58044c | j_mayer | } |
1014 | 9a64fbe4 | bellard | } |
1015 | 9a64fbe4 | bellard | |
1016 | 9a64fbe4 | bellard | void do_fctiwz (void) |
1017 | 9a64fbe4 | bellard | { |
1018 | 0ca9d380 | aurel32 | CPU_DoubleU p; |
1019 | 4ecc3190 | bellard | |
1020 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0))) {
|
1021 | 7c58044c | j_mayer | /* sNaN conversion */
|
1022 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); |
1023 | 7c58044c | j_mayer | } else if (unlikely(float64_is_nan(FT0) || isinfinity(FT0))) { |
1024 | 7c58044c | j_mayer | /* qNan / infinity conversion */
|
1025 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); |
1026 | 7c58044c | j_mayer | } else {
|
1027 | 0ca9d380 | aurel32 | p.ll = float64_to_int32_round_to_zero(FT0, &env->fp_status); |
1028 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1029 | 7c58044c | j_mayer | /* XXX: higher bits are not supposed to be significant.
|
1030 | 7c58044c | j_mayer | * to make tests easier, return the same as a real PowerPC 750
|
1031 | 7c58044c | j_mayer | */
|
1032 | 0ca9d380 | aurel32 | p.ll |= 0xFFF80000ULL << 32; |
1033 | e864cabd | j_mayer | #endif
|
1034 | 7c58044c | j_mayer | FT0 = p.d; |
1035 | 7c58044c | j_mayer | } |
1036 | 9a64fbe4 | bellard | } |
1037 | 9a64fbe4 | bellard | |
1038 | 426613db | j_mayer | #if defined(TARGET_PPC64)
|
1039 | 426613db | j_mayer | void do_fcfid (void) |
1040 | 426613db | j_mayer | { |
1041 | 0ca9d380 | aurel32 | CPU_DoubleU p; |
1042 | 426613db | j_mayer | |
1043 | 426613db | j_mayer | p.d = FT0; |
1044 | 0ca9d380 | aurel32 | FT0 = int64_to_float64(p.ll, &env->fp_status); |
1045 | 426613db | j_mayer | } |
1046 | 426613db | j_mayer | |
1047 | 426613db | j_mayer | void do_fctid (void) |
1048 | 426613db | j_mayer | { |
1049 | 0ca9d380 | aurel32 | CPU_DoubleU p; |
1050 | 426613db | j_mayer | |
1051 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0))) {
|
1052 | 7c58044c | j_mayer | /* sNaN conversion */
|
1053 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); |
1054 | 7c58044c | j_mayer | } else if (unlikely(float64_is_nan(FT0) || isinfinity(FT0))) { |
1055 | 7c58044c | j_mayer | /* qNan / infinity conversion */
|
1056 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); |
1057 | 7c58044c | j_mayer | } else {
|
1058 | 0ca9d380 | aurel32 | p.ll = float64_to_int64(FT0, &env->fp_status); |
1059 | 7c58044c | j_mayer | FT0 = p.d; |
1060 | 7c58044c | j_mayer | } |
1061 | 426613db | j_mayer | } |
1062 | 426613db | j_mayer | |
1063 | 426613db | j_mayer | void do_fctidz (void) |
1064 | 426613db | j_mayer | { |
1065 | 0ca9d380 | aurel32 | CPU_DoubleU p; |
1066 | 426613db | j_mayer | |
1067 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0))) {
|
1068 | 7c58044c | j_mayer | /* sNaN conversion */
|
1069 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); |
1070 | 7c58044c | j_mayer | } else if (unlikely(float64_is_nan(FT0) || isinfinity(FT0))) { |
1071 | 7c58044c | j_mayer | /* qNan / infinity conversion */
|
1072 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); |
1073 | 7c58044c | j_mayer | } else {
|
1074 | 0ca9d380 | aurel32 | p.ll = float64_to_int64_round_to_zero(FT0, &env->fp_status); |
1075 | 7c58044c | j_mayer | FT0 = p.d; |
1076 | 7c58044c | j_mayer | } |
1077 | 426613db | j_mayer | } |
1078 | 426613db | j_mayer | |
1079 | 426613db | j_mayer | #endif
|
1080 | 426613db | j_mayer | |
1081 | b068d6a7 | j_mayer | static always_inline void do_fri (int rounding_mode) |
1082 | d7e4b87e | j_mayer | { |
1083 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0))) {
|
1084 | 7c58044c | j_mayer | /* sNaN round */
|
1085 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | POWERPC_EXCP_FP_VXCVI); |
1086 | 7c58044c | j_mayer | } else if (unlikely(float64_is_nan(FT0) || isinfinity(FT0))) { |
1087 | 7c58044c | j_mayer | /* qNan / infinity round */
|
1088 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXCVI); |
1089 | 7c58044c | j_mayer | } else {
|
1090 | 7c58044c | j_mayer | set_float_rounding_mode(rounding_mode, &env->fp_status); |
1091 | 7c58044c | j_mayer | FT0 = float64_round_to_int(FT0, &env->fp_status); |
1092 | 7c58044c | j_mayer | /* Restore rounding mode from FPSCR */
|
1093 | 7c58044c | j_mayer | fpscr_set_rounding_mode(); |
1094 | 7c58044c | j_mayer | } |
1095 | d7e4b87e | j_mayer | } |
1096 | d7e4b87e | j_mayer | |
1097 | d7e4b87e | j_mayer | void do_frin (void) |
1098 | d7e4b87e | j_mayer | { |
1099 | d7e4b87e | j_mayer | do_fri(float_round_nearest_even); |
1100 | d7e4b87e | j_mayer | } |
1101 | d7e4b87e | j_mayer | |
1102 | d7e4b87e | j_mayer | void do_friz (void) |
1103 | d7e4b87e | j_mayer | { |
1104 | d7e4b87e | j_mayer | do_fri(float_round_to_zero); |
1105 | d7e4b87e | j_mayer | } |
1106 | d7e4b87e | j_mayer | |
1107 | d7e4b87e | j_mayer | void do_frip (void) |
1108 | d7e4b87e | j_mayer | { |
1109 | d7e4b87e | j_mayer | do_fri(float_round_up); |
1110 | d7e4b87e | j_mayer | } |
1111 | d7e4b87e | j_mayer | |
1112 | d7e4b87e | j_mayer | void do_frim (void) |
1113 | d7e4b87e | j_mayer | { |
1114 | d7e4b87e | j_mayer | do_fri(float_round_down); |
1115 | d7e4b87e | j_mayer | } |
1116 | d7e4b87e | j_mayer | |
1117 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1118 | e864cabd | j_mayer | void do_fmadd (void) |
1119 | e864cabd | j_mayer | { |
1120 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0) ||
|
1121 | 7c58044c | j_mayer | float64_is_signaling_nan(FT1) || |
1122 | 7c58044c | j_mayer | float64_is_signaling_nan(FT2))) { |
1123 | 7c58044c | j_mayer | /* sNaN operation */
|
1124 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1125 | 7c58044c | j_mayer | } else {
|
1126 | e864cabd | j_mayer | #ifdef FLOAT128
|
1127 | 7c58044c | j_mayer | /* This is the way the PowerPC specification defines it */
|
1128 | 7c58044c | j_mayer | float128 ft0_128, ft1_128; |
1129 | 7c58044c | j_mayer | |
1130 | 7c58044c | j_mayer | ft0_128 = float64_to_float128(FT0, &env->fp_status); |
1131 | 7c58044c | j_mayer | ft1_128 = float64_to_float128(FT1, &env->fp_status); |
1132 | 7c58044c | j_mayer | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); |
1133 | 7c58044c | j_mayer | ft1_128 = float64_to_float128(FT2, &env->fp_status); |
1134 | 7c58044c | j_mayer | ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status); |
1135 | 7c58044c | j_mayer | FT0 = float128_to_float64(ft0_128, &env->fp_status); |
1136 | e864cabd | j_mayer | #else
|
1137 | 7c58044c | j_mayer | /* This is OK on x86 hosts */
|
1138 | 7c58044c | j_mayer | FT0 = (FT0 * FT1) + FT2; |
1139 | e864cabd | j_mayer | #endif
|
1140 | 7c58044c | j_mayer | } |
1141 | e864cabd | j_mayer | } |
1142 | e864cabd | j_mayer | |
1143 | e864cabd | j_mayer | void do_fmsub (void) |
1144 | e864cabd | j_mayer | { |
1145 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0) ||
|
1146 | 7c58044c | j_mayer | float64_is_signaling_nan(FT1) || |
1147 | 7c58044c | j_mayer | float64_is_signaling_nan(FT2))) { |
1148 | 7c58044c | j_mayer | /* sNaN operation */
|
1149 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1150 | 7c58044c | j_mayer | } else {
|
1151 | e864cabd | j_mayer | #ifdef FLOAT128
|
1152 | 7c58044c | j_mayer | /* This is the way the PowerPC specification defines it */
|
1153 | 7c58044c | j_mayer | float128 ft0_128, ft1_128; |
1154 | 7c58044c | j_mayer | |
1155 | 7c58044c | j_mayer | ft0_128 = float64_to_float128(FT0, &env->fp_status); |
1156 | 7c58044c | j_mayer | ft1_128 = float64_to_float128(FT1, &env->fp_status); |
1157 | 7c58044c | j_mayer | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); |
1158 | 7c58044c | j_mayer | ft1_128 = float64_to_float128(FT2, &env->fp_status); |
1159 | 7c58044c | j_mayer | ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status); |
1160 | 7c58044c | j_mayer | FT0 = float128_to_float64(ft0_128, &env->fp_status); |
1161 | e864cabd | j_mayer | #else
|
1162 | 7c58044c | j_mayer | /* This is OK on x86 hosts */
|
1163 | 7c58044c | j_mayer | FT0 = (FT0 * FT1) - FT2; |
1164 | e864cabd | j_mayer | #endif
|
1165 | 7c58044c | j_mayer | } |
1166 | e864cabd | j_mayer | } |
1167 | 1cdb9c3d | aurel32 | #endif /* USE_PRECISE_EMULATION */ |
1168 | e864cabd | j_mayer | |
1169 | 4b3686fa | bellard | void do_fnmadd (void) |
1170 | 4b3686fa | bellard | { |
1171 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0) ||
|
1172 | 7c58044c | j_mayer | float64_is_signaling_nan(FT1) || |
1173 | 7c58044c | j_mayer | float64_is_signaling_nan(FT2))) { |
1174 | 7c58044c | j_mayer | /* sNaN operation */
|
1175 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1176 | 7c58044c | j_mayer | } else {
|
1177 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1178 | e864cabd | j_mayer | #ifdef FLOAT128
|
1179 | 7c58044c | j_mayer | /* This is the way the PowerPC specification defines it */
|
1180 | 7c58044c | j_mayer | float128 ft0_128, ft1_128; |
1181 | 7c58044c | j_mayer | |
1182 | 7c58044c | j_mayer | ft0_128 = float64_to_float128(FT0, &env->fp_status); |
1183 | 7c58044c | j_mayer | ft1_128 = float64_to_float128(FT1, &env->fp_status); |
1184 | 7c58044c | j_mayer | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); |
1185 | 7c58044c | j_mayer | ft1_128 = float64_to_float128(FT2, &env->fp_status); |
1186 | 7c58044c | j_mayer | ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status); |
1187 | 7c58044c | j_mayer | FT0 = float128_to_float64(ft0_128, &env->fp_status); |
1188 | e864cabd | j_mayer | #else
|
1189 | 7c58044c | j_mayer | /* This is OK on x86 hosts */
|
1190 | 7c58044c | j_mayer | FT0 = (FT0 * FT1) + FT2; |
1191 | e864cabd | j_mayer | #endif
|
1192 | e864cabd | j_mayer | #else
|
1193 | 7c58044c | j_mayer | FT0 = float64_mul(FT0, FT1, &env->fp_status); |
1194 | 7c58044c | j_mayer | FT0 = float64_add(FT0, FT2, &env->fp_status); |
1195 | e864cabd | j_mayer | #endif
|
1196 | 7c58044c | j_mayer | if (likely(!isnan(FT0)))
|
1197 | 7c58044c | j_mayer | FT0 = float64_chs(FT0); |
1198 | 7c58044c | j_mayer | } |
1199 | 4b3686fa | bellard | } |
1200 | 4b3686fa | bellard | |
1201 | 4b3686fa | bellard | void do_fnmsub (void) |
1202 | 4b3686fa | bellard | { |
1203 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0) ||
|
1204 | 7c58044c | j_mayer | float64_is_signaling_nan(FT1) || |
1205 | 7c58044c | j_mayer | float64_is_signaling_nan(FT2))) { |
1206 | 7c58044c | j_mayer | /* sNaN operation */
|
1207 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1208 | 7c58044c | j_mayer | } else {
|
1209 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1210 | e864cabd | j_mayer | #ifdef FLOAT128
|
1211 | 7c58044c | j_mayer | /* This is the way the PowerPC specification defines it */
|
1212 | 7c58044c | j_mayer | float128 ft0_128, ft1_128; |
1213 | 7c58044c | j_mayer | |
1214 | 7c58044c | j_mayer | ft0_128 = float64_to_float128(FT0, &env->fp_status); |
1215 | 7c58044c | j_mayer | ft1_128 = float64_to_float128(FT1, &env->fp_status); |
1216 | 7c58044c | j_mayer | ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status); |
1217 | 7c58044c | j_mayer | ft1_128 = float64_to_float128(FT2, &env->fp_status); |
1218 | 7c58044c | j_mayer | ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status); |
1219 | 7c58044c | j_mayer | FT0 = float128_to_float64(ft0_128, &env->fp_status); |
1220 | e864cabd | j_mayer | #else
|
1221 | 7c58044c | j_mayer | /* This is OK on x86 hosts */
|
1222 | 7c58044c | j_mayer | FT0 = (FT0 * FT1) - FT2; |
1223 | e864cabd | j_mayer | #endif
|
1224 | e864cabd | j_mayer | #else
|
1225 | 7c58044c | j_mayer | FT0 = float64_mul(FT0, FT1, &env->fp_status); |
1226 | 7c58044c | j_mayer | FT0 = float64_sub(FT0, FT2, &env->fp_status); |
1227 | e864cabd | j_mayer | #endif
|
1228 | 7c58044c | j_mayer | if (likely(!isnan(FT0)))
|
1229 | 7c58044c | j_mayer | FT0 = float64_chs(FT0); |
1230 | 7c58044c | j_mayer | } |
1231 | 1ef59d0a | bellard | } |
1232 | 1ef59d0a | bellard | |
1233 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1234 | 7c58044c | j_mayer | void do_frsp (void) |
1235 | 7c58044c | j_mayer | { |
1236 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0))) {
|
1237 | 7c58044c | j_mayer | /* sNaN square root */
|
1238 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1239 | 7c58044c | j_mayer | } else {
|
1240 | 7c58044c | j_mayer | FT0 = float64_to_float32(FT0, &env->fp_status); |
1241 | 7c58044c | j_mayer | } |
1242 | 7c58044c | j_mayer | } |
1243 | 1cdb9c3d | aurel32 | #endif /* USE_PRECISE_EMULATION */ |
1244 | 7c58044c | j_mayer | |
1245 | 9a64fbe4 | bellard | void do_fsqrt (void) |
1246 | 9a64fbe4 | bellard | { |
1247 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0))) {
|
1248 | 7c58044c | j_mayer | /* sNaN square root */
|
1249 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1250 | 7c58044c | j_mayer | } else if (unlikely(fpisneg(FT0) && !iszero(FT0))) { |
1251 | 7c58044c | j_mayer | /* Square root of a negative nonzero number */
|
1252 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT); |
1253 | 7c58044c | j_mayer | } else {
|
1254 | 7c58044c | j_mayer | FT0 = float64_sqrt(FT0, &env->fp_status); |
1255 | 7c58044c | j_mayer | } |
1256 | 9a64fbe4 | bellard | } |
1257 | 9a64fbe4 | bellard | |
1258 | d7e4b87e | j_mayer | void do_fre (void) |
1259 | d7e4b87e | j_mayer | { |
1260 | 0ca9d380 | aurel32 | CPU_DoubleU p; |
1261 | d7e4b87e | j_mayer | |
1262 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0))) {
|
1263 | 7c58044c | j_mayer | /* sNaN reciprocal */
|
1264 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1265 | 7c58044c | j_mayer | } else if (unlikely(iszero(FT0))) { |
1266 | 7c58044c | j_mayer | /* Zero reciprocal */
|
1267 | 7c58044c | j_mayer | float_zero_divide_excp(); |
1268 | 7c58044c | j_mayer | } else if (likely(isnormal(FT0))) { |
1269 | d7e4b87e | j_mayer | FT0 = float64_div(1.0, FT0, &env->fp_status); |
1270 | d7e4b87e | j_mayer | } else {
|
1271 | d7e4b87e | j_mayer | p.d = FT0; |
1272 | 0ca9d380 | aurel32 | if (p.ll == 0x8000000000000000ULL) { |
1273 | 0ca9d380 | aurel32 | p.ll = 0xFFF0000000000000ULL;
|
1274 | 0ca9d380 | aurel32 | } else if (p.ll == 0x0000000000000000ULL) { |
1275 | 0ca9d380 | aurel32 | p.ll = 0x7FF0000000000000ULL;
|
1276 | d7e4b87e | j_mayer | } else if (isnan(FT0)) { |
1277 | 0ca9d380 | aurel32 | p.ll = 0x7FF8000000000000ULL;
|
1278 | 7c58044c | j_mayer | } else if (fpisneg(FT0)) { |
1279 | 0ca9d380 | aurel32 | p.ll = 0x8000000000000000ULL;
|
1280 | d7e4b87e | j_mayer | } else {
|
1281 | 0ca9d380 | aurel32 | p.ll = 0x0000000000000000ULL;
|
1282 | d7e4b87e | j_mayer | } |
1283 | d7e4b87e | j_mayer | FT0 = p.d; |
1284 | d7e4b87e | j_mayer | } |
1285 | d7e4b87e | j_mayer | } |
1286 | d7e4b87e | j_mayer | |
1287 | 9a64fbe4 | bellard | void do_fres (void) |
1288 | 9a64fbe4 | bellard | { |
1289 | 0ca9d380 | aurel32 | CPU_DoubleU p; |
1290 | 4ecc3190 | bellard | |
1291 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0))) {
|
1292 | 7c58044c | j_mayer | /* sNaN reciprocal */
|
1293 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1294 | 7c58044c | j_mayer | } else if (unlikely(iszero(FT0))) { |
1295 | 7c58044c | j_mayer | /* Zero reciprocal */
|
1296 | 7c58044c | j_mayer | float_zero_divide_excp(); |
1297 | 7c58044c | j_mayer | } else if (likely(isnormal(FT0))) { |
1298 | 1cdb9c3d | aurel32 | #if USE_PRECISE_EMULATION
|
1299 | e864cabd | j_mayer | FT0 = float64_div(1.0, FT0, &env->fp_status); |
1300 | e864cabd | j_mayer | FT0 = float64_to_float32(FT0, &env->fp_status); |
1301 | e864cabd | j_mayer | #else
|
1302 | 76a66253 | j_mayer | FT0 = float32_div(1.0, FT0, &env->fp_status); |
1303 | e864cabd | j_mayer | #endif
|
1304 | 4ecc3190 | bellard | } else {
|
1305 | 4ecc3190 | bellard | p.d = FT0; |
1306 | 0ca9d380 | aurel32 | if (p.ll == 0x8000000000000000ULL) { |
1307 | 0ca9d380 | aurel32 | p.ll = 0xFFF0000000000000ULL;
|
1308 | 0ca9d380 | aurel32 | } else if (p.ll == 0x0000000000000000ULL) { |
1309 | 0ca9d380 | aurel32 | p.ll = 0x7FF0000000000000ULL;
|
1310 | 4ecc3190 | bellard | } else if (isnan(FT0)) { |
1311 | 0ca9d380 | aurel32 | p.ll = 0x7FF8000000000000ULL;
|
1312 | 7c58044c | j_mayer | } else if (fpisneg(FT0)) { |
1313 | 0ca9d380 | aurel32 | p.ll = 0x8000000000000000ULL;
|
1314 | 4ecc3190 | bellard | } else {
|
1315 | 0ca9d380 | aurel32 | p.ll = 0x0000000000000000ULL;
|
1316 | 4ecc3190 | bellard | } |
1317 | 4ecc3190 | bellard | FT0 = p.d; |
1318 | 4ecc3190 | bellard | } |
1319 | 9a64fbe4 | bellard | } |
1320 | 9a64fbe4 | bellard | |
1321 | 4ecc3190 | bellard | void do_frsqrte (void) |
1322 | 9a64fbe4 | bellard | { |
1323 | 0ca9d380 | aurel32 | CPU_DoubleU p; |
1324 | 4ecc3190 | bellard | |
1325 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0))) {
|
1326 | 7c58044c | j_mayer | /* sNaN reciprocal square root */
|
1327 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1328 | 7c58044c | j_mayer | } else if (unlikely(fpisneg(FT0) && !iszero(FT0))) { |
1329 | 7c58044c | j_mayer | /* Reciprocal square root of a negative nonzero number */
|
1330 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSQRT); |
1331 | 7c58044c | j_mayer | } else if (likely(isnormal(FT0))) { |
1332 | fdabc366 | bellard | FT0 = float64_sqrt(FT0, &env->fp_status); |
1333 | fdabc366 | bellard | FT0 = float32_div(1.0, FT0, &env->fp_status); |
1334 | 4ecc3190 | bellard | } else {
|
1335 | 4ecc3190 | bellard | p.d = FT0; |
1336 | 0ca9d380 | aurel32 | if (p.ll == 0x8000000000000000ULL) { |
1337 | 0ca9d380 | aurel32 | p.ll = 0xFFF0000000000000ULL;
|
1338 | 0ca9d380 | aurel32 | } else if (p.ll == 0x0000000000000000ULL) { |
1339 | 0ca9d380 | aurel32 | p.ll = 0x7FF0000000000000ULL;
|
1340 | 4ecc3190 | bellard | } else if (isnan(FT0)) { |
1341 | 0ca9d380 | aurel32 | p.ll |= 0x000FFFFFFFFFFFFFULL;
|
1342 | 7c58044c | j_mayer | } else if (fpisneg(FT0)) { |
1343 | 0ca9d380 | aurel32 | p.ll = 0x7FF8000000000000ULL;
|
1344 | 4ecc3190 | bellard | } else {
|
1345 | 0ca9d380 | aurel32 | p.ll = 0x0000000000000000ULL;
|
1346 | 4ecc3190 | bellard | } |
1347 | 4ecc3190 | bellard | FT0 = p.d; |
1348 | 4ecc3190 | bellard | } |
1349 | 9a64fbe4 | bellard | } |
1350 | 9a64fbe4 | bellard | |
1351 | 9a64fbe4 | bellard | void do_fsel (void) |
1352 | 9a64fbe4 | bellard | { |
1353 | 7c58044c | j_mayer | if (!fpisneg(FT0) || iszero(FT0))
|
1354 | 9a64fbe4 | bellard | FT0 = FT1; |
1355 | 4ecc3190 | bellard | else
|
1356 | 4ecc3190 | bellard | FT0 = FT2; |
1357 | 9a64fbe4 | bellard | } |
1358 | 9a64fbe4 | bellard | |
1359 | 9a64fbe4 | bellard | void do_fcmpu (void) |
1360 | 9a64fbe4 | bellard | { |
1361 | 7c58044c | j_mayer | if (unlikely(float64_is_signaling_nan(FT0) ||
|
1362 | 7c58044c | j_mayer | float64_is_signaling_nan(FT1))) { |
1363 | 7c58044c | j_mayer | /* sNaN comparison */
|
1364 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN); |
1365 | 7c58044c | j_mayer | } else {
|
1366 | fdabc366 | bellard | if (float64_lt(FT0, FT1, &env->fp_status)) {
|
1367 | fdabc366 | bellard | T0 = 0x08UL;
|
1368 | fdabc366 | bellard | } else if (!float64_le(FT0, FT1, &env->fp_status)) { |
1369 | fdabc366 | bellard | T0 = 0x04UL;
|
1370 | fdabc366 | bellard | } else {
|
1371 | fdabc366 | bellard | T0 = 0x02UL;
|
1372 | fdabc366 | bellard | } |
1373 | 9a64fbe4 | bellard | } |
1374 | 7c58044c | j_mayer | env->fpscr &= ~(0x0F << FPSCR_FPRF);
|
1375 | 7c58044c | j_mayer | env->fpscr |= T0 << FPSCR_FPRF; |
1376 | 9a64fbe4 | bellard | } |
1377 | 9a64fbe4 | bellard | |
1378 | 9a64fbe4 | bellard | void do_fcmpo (void) |
1379 | 9a64fbe4 | bellard | { |
1380 | 7c58044c | j_mayer | if (unlikely(float64_is_nan(FT0) ||
|
1381 | 7c58044c | j_mayer | float64_is_nan(FT1))) { |
1382 | 7c58044c | j_mayer | if (float64_is_signaling_nan(FT0) ||
|
1383 | 7c58044c | j_mayer | float64_is_signaling_nan(FT1)) { |
1384 | 7c58044c | j_mayer | /* sNaN comparison */
|
1385 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXSNAN | |
1386 | 7c58044c | j_mayer | POWERPC_EXCP_FP_VXVC); |
1387 | 7c58044c | j_mayer | } else {
|
1388 | 7c58044c | j_mayer | /* qNaN comparison */
|
1389 | 7c58044c | j_mayer | fload_invalid_op_excp(POWERPC_EXCP_FP_VXVC); |
1390 | 7c58044c | j_mayer | } |
1391 | 7c58044c | j_mayer | } else {
|
1392 | fdabc366 | bellard | if (float64_lt(FT0, FT1, &env->fp_status)) {
|
1393 | fdabc366 | bellard | T0 = 0x08UL;
|
1394 | fdabc366 | bellard | } else if (!float64_le(FT0, FT1, &env->fp_status)) { |
1395 | fdabc366 | bellard | T0 = 0x04UL;
|
1396 | fdabc366 | bellard | } else {
|
1397 | fdabc366 | bellard | T0 = 0x02UL;
|
1398 | fdabc366 | bellard | } |
1399 | 9a64fbe4 | bellard | } |
1400 | 7c58044c | j_mayer | env->fpscr &= ~(0x0F << FPSCR_FPRF);
|
1401 | 7c58044c | j_mayer | env->fpscr |= T0 << FPSCR_FPRF; |
1402 | 9a64fbe4 | bellard | } |
1403 | 9a64fbe4 | bellard | |
1404 | 76a66253 | j_mayer | #if !defined (CONFIG_USER_ONLY)
|
1405 | 6b80055d | j_mayer | void cpu_dump_rfi (target_ulong RA, target_ulong msr);
|
1406 | 0411a972 | j_mayer | |
1407 | 6676f424 | aurel32 | void do_store_msr (void) |
1408 | 0411a972 | j_mayer | { |
1409 | 6676f424 | aurel32 | T0 = hreg_store_msr(env, T0, 0);
|
1410 | 6676f424 | aurel32 | if (T0 != 0) { |
1411 | 0411a972 | j_mayer | env->interrupt_request |= CPU_INTERRUPT_EXITTB; |
1412 | 6676f424 | aurel32 | do_raise_exception(T0); |
1413 | 0411a972 | j_mayer | } |
1414 | 0411a972 | j_mayer | } |
1415 | 0411a972 | j_mayer | |
1416 | 0411a972 | j_mayer | static always_inline void __do_rfi (target_ulong nip, target_ulong msr, |
1417 | 0411a972 | j_mayer | target_ulong msrm, int keep_msrh)
|
1418 | 9a64fbe4 | bellard | { |
1419 | 426613db | j_mayer | #if defined(TARGET_PPC64)
|
1420 | 0411a972 | j_mayer | if (msr & (1ULL << MSR_SF)) { |
1421 | 0411a972 | j_mayer | nip = (uint64_t)nip; |
1422 | 0411a972 | j_mayer | msr &= (uint64_t)msrm; |
1423 | a42bd6cc | j_mayer | } else {
|
1424 | 0411a972 | j_mayer | nip = (uint32_t)nip; |
1425 | 0411a972 | j_mayer | msr = (uint32_t)(msr & msrm); |
1426 | 0411a972 | j_mayer | if (keep_msrh)
|
1427 | 0411a972 | j_mayer | msr |= env->msr & ~((uint64_t)0xFFFFFFFF);
|
1428 | a42bd6cc | j_mayer | } |
1429 | 426613db | j_mayer | #else
|
1430 | 0411a972 | j_mayer | nip = (uint32_t)nip; |
1431 | 0411a972 | j_mayer | msr &= (uint32_t)msrm; |
1432 | 426613db | j_mayer | #endif
|
1433 | 0411a972 | j_mayer | /* XXX: beware: this is false if VLE is supported */
|
1434 | 0411a972 | j_mayer | env->nip = nip & ~((target_ulong)0x00000003);
|
1435 | a4f30719 | j_mayer | hreg_store_msr(env, msr, 1);
|
1436 | fdabc366 | bellard | #if defined (DEBUG_OP)
|
1437 | 0411a972 | j_mayer | cpu_dump_rfi(env->nip, env->msr); |
1438 | fdabc366 | bellard | #endif
|
1439 | 0411a972 | j_mayer | /* No need to raise an exception here,
|
1440 | 0411a972 | j_mayer | * as rfi is always the last insn of a TB
|
1441 | 0411a972 | j_mayer | */
|
1442 | fdabc366 | bellard | env->interrupt_request |= CPU_INTERRUPT_EXITTB; |
1443 | 9a64fbe4 | bellard | } |
1444 | d9bce9d9 | j_mayer | |
1445 | 0411a972 | j_mayer | void do_rfi (void) |
1446 | 0411a972 | j_mayer | { |
1447 | 0411a972 | j_mayer | __do_rfi(env->spr[SPR_SRR0], env->spr[SPR_SRR1], |
1448 | 0411a972 | j_mayer | ~((target_ulong)0xFFFF0000), 1); |
1449 | 0411a972 | j_mayer | } |
1450 | 0411a972 | j_mayer | |
1451 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
1452 | 426613db | j_mayer | void do_rfid (void) |
1453 | 426613db | j_mayer | { |
1454 | 0411a972 | j_mayer | __do_rfi(env->spr[SPR_SRR0], env->spr[SPR_SRR1], |
1455 | 0411a972 | j_mayer | ~((target_ulong)0xFFFF0000), 0); |
1456 | d9bce9d9 | j_mayer | } |
1457 | 7863667f | j_mayer | |
1458 | be147d08 | j_mayer | void do_hrfid (void) |
1459 | be147d08 | j_mayer | { |
1460 | 0411a972 | j_mayer | __do_rfi(env->spr[SPR_HSRR0], env->spr[SPR_HSRR1], |
1461 | 0411a972 | j_mayer | ~((target_ulong)0xFFFF0000), 0); |
1462 | be147d08 | j_mayer | } |
1463 | be147d08 | j_mayer | #endif
|
1464 | 76a66253 | j_mayer | #endif
|
1465 | 9a64fbe4 | bellard | |
1466 | 76a66253 | j_mayer | void do_tw (int flags) |
1467 | 9a64fbe4 | bellard | { |
1468 | d9bce9d9 | j_mayer | if (!likely(!(((int32_t)T0 < (int32_t)T1 && (flags & 0x10)) || |
1469 | d9bce9d9 | j_mayer | ((int32_t)T0 > (int32_t)T1 && (flags & 0x08)) ||
|
1470 | d9bce9d9 | j_mayer | ((int32_t)T0 == (int32_t)T1 && (flags & 0x04)) ||
|
1471 | d9bce9d9 | j_mayer | ((uint32_t)T0 < (uint32_t)T1 && (flags & 0x02)) ||
|
1472 | a42bd6cc | j_mayer | ((uint32_t)T0 > (uint32_t)T1 && (flags & 0x01))))) {
|
1473 | e1833e1f | j_mayer | do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP); |
1474 | a42bd6cc | j_mayer | } |
1475 | 9a64fbe4 | bellard | } |
1476 | 9a64fbe4 | bellard | |
1477 | d9bce9d9 | j_mayer | #if defined(TARGET_PPC64)
|
1478 | d9bce9d9 | j_mayer | void do_td (int flags) |
1479 | d9bce9d9 | j_mayer | { |
1480 | d9bce9d9 | j_mayer | if (!likely(!(((int64_t)T0 < (int64_t)T1 && (flags & 0x10)) || |
1481 | d9bce9d9 | j_mayer | ((int64_t)T0 > (int64_t)T1 && (flags & 0x08)) ||
|
1482 | d9bce9d9 | j_mayer | ((int64_t)T0 == (int64_t)T1 && (flags & 0x04)) ||
|
1483 | d9bce9d9 | j_mayer | ((uint64_t)T0 < (uint64_t)T1 && (flags & 0x02)) ||
|
1484 | d9bce9d9 | j_mayer | ((uint64_t)T0 > (uint64_t)T1 && (flags & 0x01)))))
|
1485 | e1833e1f | j_mayer | do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP); |
1486 | d9bce9d9 | j_mayer | } |
1487 | d9bce9d9 | j_mayer | #endif
|
1488 | d9bce9d9 | j_mayer | |
1489 | fdabc366 | bellard | /*****************************************************************************/
|
1490 | 76a66253 | j_mayer | /* PowerPC 601 specific instructions (POWER bridge) */
|
1491 | 76a66253 | j_mayer | void do_POWER_abso (void) |
1492 | 9a64fbe4 | bellard | { |
1493 | 9c7e37e7 | j_mayer | if ((int32_t)T0 == INT32_MIN) {
|
1494 | 76a66253 | j_mayer | T0 = INT32_MAX; |
1495 | 76a66253 | j_mayer | xer_ov = 1;
|
1496 | 9c7e37e7 | j_mayer | } else if ((int32_t)T0 < 0) { |
1497 | 76a66253 | j_mayer | T0 = -T0; |
1498 | 76a66253 | j_mayer | xer_ov = 0;
|
1499 | 9c7e37e7 | j_mayer | } else {
|
1500 | 9c7e37e7 | j_mayer | xer_ov = 0;
|
1501 | 76a66253 | j_mayer | } |
1502 | 9c7e37e7 | j_mayer | xer_so |= xer_ov; |
1503 | 9a64fbe4 | bellard | } |
1504 | 9a64fbe4 | bellard | |
1505 | 76a66253 | j_mayer | void do_POWER_clcs (void) |
1506 | 9a64fbe4 | bellard | { |
1507 | 76a66253 | j_mayer | switch (T0) {
|
1508 | 76a66253 | j_mayer | case 0x0CUL: |
1509 | 76a66253 | j_mayer | /* Instruction cache line size */
|
1510 | d63001d1 | j_mayer | T0 = env->icache_line_size; |
1511 | 76a66253 | j_mayer | break;
|
1512 | 76a66253 | j_mayer | case 0x0DUL: |
1513 | 76a66253 | j_mayer | /* Data cache line size */
|
1514 | d63001d1 | j_mayer | T0 = env->dcache_line_size; |
1515 | 76a66253 | j_mayer | break;
|
1516 | 76a66253 | j_mayer | case 0x0EUL: |
1517 | 76a66253 | j_mayer | /* Minimum cache line size */
|
1518 | d63001d1 | j_mayer | T0 = env->icache_line_size < env->dcache_line_size ? |
1519 | d63001d1 | j_mayer | env->icache_line_size : env->dcache_line_size; |
1520 | 76a66253 | j_mayer | break;
|
1521 | 76a66253 | j_mayer | case 0x0FUL: |
1522 | 76a66253 | j_mayer | /* Maximum cache line size */
|
1523 | d63001d1 | j_mayer | T0 = env->icache_line_size > env->dcache_line_size ? |
1524 | d63001d1 | j_mayer | env->icache_line_size : env->dcache_line_size; |
1525 | 76a66253 | j_mayer | break;
|
1526 | 76a66253 | j_mayer | default:
|
1527 | 76a66253 | j_mayer | /* Undefined */
|
1528 | 76a66253 | j_mayer | break;
|
1529 | 76a66253 | j_mayer | } |
1530 | 76a66253 | j_mayer | } |
1531 | 76a66253 | j_mayer | |
1532 | 76a66253 | j_mayer | void do_POWER_div (void) |
1533 | 76a66253 | j_mayer | { |
1534 | 76a66253 | j_mayer | uint64_t tmp; |
1535 | 76a66253 | j_mayer | |
1536 | 6f2d8978 | j_mayer | if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == (int32_t)-1) || |
1537 | 6f2d8978 | j_mayer | (int32_t)T1 == 0) {
|
1538 | 6f2d8978 | j_mayer | T0 = UINT32_MAX * ((uint32_t)T0 >> 31);
|
1539 | 76a66253 | j_mayer | env->spr[SPR_MQ] = 0;
|
1540 | 76a66253 | j_mayer | } else {
|
1541 | 76a66253 | j_mayer | tmp = ((uint64_t)T0 << 32) | env->spr[SPR_MQ];
|
1542 | 76a66253 | j_mayer | env->spr[SPR_MQ] = tmp % T1; |
1543 | d9bce9d9 | j_mayer | T0 = tmp / (int32_t)T1; |
1544 | 76a66253 | j_mayer | } |
1545 | 76a66253 | j_mayer | } |
1546 | 76a66253 | j_mayer | |
1547 | 76a66253 | j_mayer | void do_POWER_divo (void) |
1548 | 76a66253 | j_mayer | { |
1549 | 76a66253 | j_mayer | int64_t tmp; |
1550 | 76a66253 | j_mayer | |
1551 | 6f2d8978 | j_mayer | if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == (int32_t)-1) || |
1552 | 6f2d8978 | j_mayer | (int32_t)T1 == 0) {
|
1553 | 6f2d8978 | j_mayer | T0 = UINT32_MAX * ((uint32_t)T0 >> 31);
|
1554 | 76a66253 | j_mayer | env->spr[SPR_MQ] = 0;
|
1555 | 76a66253 | j_mayer | xer_ov = 1;
|
1556 | 76a66253 | j_mayer | } else {
|
1557 | 76a66253 | j_mayer | tmp = ((uint64_t)T0 << 32) | env->spr[SPR_MQ];
|
1558 | 76a66253 | j_mayer | env->spr[SPR_MQ] = tmp % T1; |
1559 | d9bce9d9 | j_mayer | tmp /= (int32_t)T1; |
1560 | 76a66253 | j_mayer | if (tmp > (int64_t)INT32_MAX || tmp < (int64_t)INT32_MIN) {
|
1561 | 76a66253 | j_mayer | xer_ov = 1;
|
1562 | 76a66253 | j_mayer | } else {
|
1563 | 76a66253 | j_mayer | xer_ov = 0;
|
1564 | 76a66253 | j_mayer | } |
1565 | 76a66253 | j_mayer | T0 = tmp; |
1566 | 76a66253 | j_mayer | } |
1567 | 6f2d8978 | j_mayer | xer_so |= xer_ov; |
1568 | 76a66253 | j_mayer | } |
1569 | 76a66253 | j_mayer | |
1570 | 76a66253 | j_mayer | void do_POWER_divs (void) |
1571 | 76a66253 | j_mayer | { |
1572 | 6f2d8978 | j_mayer | if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == (int32_t)-1) || |
1573 | 6f2d8978 | j_mayer | (int32_t)T1 == 0) {
|
1574 | 6f2d8978 | j_mayer | T0 = UINT32_MAX * ((uint32_t)T0 >> 31);
|
1575 | 76a66253 | j_mayer | env->spr[SPR_MQ] = 0;
|
1576 | 76a66253 | j_mayer | } else {
|
1577 | 76a66253 | j_mayer | env->spr[SPR_MQ] = T0 % T1; |
1578 | d9bce9d9 | j_mayer | T0 = (int32_t)T0 / (int32_t)T1; |
1579 | 76a66253 | j_mayer | } |
1580 | 76a66253 | j_mayer | } |
1581 | 76a66253 | j_mayer | |
1582 | 76a66253 | j_mayer | void do_POWER_divso (void) |
1583 | 76a66253 | j_mayer | { |
1584 | 6f2d8978 | j_mayer | if (((int32_t)T0 == INT32_MIN && (int32_t)T1 == (int32_t)-1) || |
1585 | 6f2d8978 | j_mayer | (int32_t)T1 == 0) {
|
1586 | 6f2d8978 | j_mayer | T0 = UINT32_MAX * ((uint32_t)T0 >> 31);
|
1587 | 76a66253 | j_mayer | env->spr[SPR_MQ] = 0;
|
1588 | 76a66253 | j_mayer | xer_ov = 1;
|
1589 | 76a66253 | j_mayer | } else {
|
1590 | d9bce9d9 | j_mayer | T0 = (int32_t)T0 / (int32_t)T1; |
1591 | d9bce9d9 | j_mayer | env->spr[SPR_MQ] = (int32_t)T0 % (int32_t)T1; |
1592 | 76a66253 | j_mayer | xer_ov = 0;
|
1593 | 76a66253 | j_mayer | } |
1594 | 6f2d8978 | j_mayer | xer_so |= xer_ov; |
1595 | 76a66253 | j_mayer | } |
1596 | 76a66253 | j_mayer | |
1597 | 76a66253 | j_mayer | void do_POWER_dozo (void) |
1598 | 76a66253 | j_mayer | { |
1599 | d9bce9d9 | j_mayer | if ((int32_t)T1 > (int32_t)T0) {
|
1600 | 76a66253 | j_mayer | T2 = T0; |
1601 | 76a66253 | j_mayer | T0 = T1 - T0; |
1602 | d9bce9d9 | j_mayer | if (((uint32_t)(~T2) ^ (uint32_t)T1 ^ UINT32_MAX) &
|
1603 | d9bce9d9 | j_mayer | ((uint32_t)(~T2) ^ (uint32_t)T0) & (1UL << 31)) { |
1604 | 76a66253 | j_mayer | xer_ov = 1;
|
1605 | 966439a6 | j_mayer | xer_so = 1;
|
1606 | 76a66253 | j_mayer | } else {
|
1607 | 76a66253 | j_mayer | xer_ov = 0;
|
1608 | 76a66253 | j_mayer | } |
1609 | 76a66253 | j_mayer | } else {
|
1610 | 76a66253 | j_mayer | T0 = 0;
|
1611 | 76a66253 | j_mayer | xer_ov = 0;
|
1612 | 76a66253 | j_mayer | } |
1613 | 76a66253 | j_mayer | } |
1614 | 76a66253 | j_mayer | |
1615 | 76a66253 | j_mayer | void do_POWER_maskg (void) |
1616 | 76a66253 | j_mayer | { |
1617 | 76a66253 | j_mayer | uint32_t ret; |
1618 | 76a66253 | j_mayer | |
1619 | d9bce9d9 | j_mayer | if ((uint32_t)T0 == (uint32_t)(T1 + 1)) { |
1620 | 6f2d8978 | j_mayer | ret = UINT32_MAX; |
1621 | 76a66253 | j_mayer | } else {
|
1622 | 6f2d8978 | j_mayer | ret = (UINT32_MAX >> ((uint32_t)T0)) ^ |
1623 | 6f2d8978 | j_mayer | ((UINT32_MAX >> ((uint32_t)T1)) >> 1);
|
1624 | d9bce9d9 | j_mayer | if ((uint32_t)T0 > (uint32_t)T1)
|
1625 | 76a66253 | j_mayer | ret = ~ret; |
1626 | 76a66253 | j_mayer | } |
1627 | 76a66253 | j_mayer | T0 = ret; |
1628 | 76a66253 | j_mayer | } |
1629 | 76a66253 | j_mayer | |
1630 | 76a66253 | j_mayer | void do_POWER_mulo (void) |
1631 | 76a66253 | j_mayer | { |
1632 | 76a66253 | j_mayer | uint64_t tmp; |
1633 | 76a66253 | j_mayer | |
1634 | 76a66253 | j_mayer | tmp = (uint64_t)T0 * (uint64_t)T1; |
1635 | 76a66253 | j_mayer | env->spr[SPR_MQ] = tmp >> 32;
|
1636 | 76a66253 | j_mayer | T0 = tmp; |
1637 | 76a66253 | j_mayer | if (tmp >> 32 != ((uint64_t)T0 >> 16) * ((uint64_t)T1 >> 16)) { |
1638 | 76a66253 | j_mayer | xer_ov = 1;
|
1639 | 76a66253 | j_mayer | xer_so = 1;
|
1640 | 76a66253 | j_mayer | } else {
|
1641 | 76a66253 | j_mayer | xer_ov = 0;
|
1642 | 76a66253 | j_mayer | } |
1643 | 76a66253 | j_mayer | } |
1644 | 76a66253 | j_mayer | |
1645 | 76a66253 | j_mayer | #if !defined (CONFIG_USER_ONLY)
|
1646 | 76a66253 | j_mayer | void do_POWER_rac (void) |
1647 | 76a66253 | j_mayer | { |
1648 | 76a66253 | j_mayer | mmu_ctx_t ctx; |
1649 | faadf50e | j_mayer | int nb_BATs;
|
1650 | 76a66253 | j_mayer | |
1651 | 76a66253 | j_mayer | /* We don't have to generate many instances of this instruction,
|
1652 | 76a66253 | j_mayer | * as rac is supervisor only.
|
1653 | 76a66253 | j_mayer | */
|
1654 | faadf50e | j_mayer | /* XXX: FIX THIS: Pretend we have no BAT */
|
1655 | faadf50e | j_mayer | nb_BATs = env->nb_BATs; |
1656 | faadf50e | j_mayer | env->nb_BATs = 0;
|
1657 | faadf50e | j_mayer | if (get_physical_address(env, &ctx, T0, 0, ACCESS_INT) == 0) |
1658 | 76a66253 | j_mayer | T0 = ctx.raddr; |
1659 | faadf50e | j_mayer | env->nb_BATs = nb_BATs; |
1660 | 76a66253 | j_mayer | } |
1661 | 76a66253 | j_mayer | |
1662 | 76a66253 | j_mayer | void do_POWER_rfsvc (void) |
1663 | 76a66253 | j_mayer | { |
1664 | 0411a972 | j_mayer | __do_rfi(env->lr, env->ctr, 0x0000FFFF, 0); |
1665 | 76a66253 | j_mayer | } |
1666 | 76a66253 | j_mayer | |
1667 | 056401ea | j_mayer | void do_store_hid0_601 (void) |
1668 | 056401ea | j_mayer | { |
1669 | 056401ea | j_mayer | uint32_t hid0; |
1670 | 056401ea | j_mayer | |
1671 | 056401ea | j_mayer | hid0 = env->spr[SPR_HID0]; |
1672 | 056401ea | j_mayer | if ((T0 ^ hid0) & 0x00000008) { |
1673 | 056401ea | j_mayer | /* Change current endianness */
|
1674 | 056401ea | j_mayer | env->hflags &= ~(1 << MSR_LE);
|
1675 | 056401ea | j_mayer | env->hflags_nmsr &= ~(1 << MSR_LE);
|
1676 | 056401ea | j_mayer | env->hflags_nmsr |= (1 << MSR_LE) & (((T0 >> 3) & 1) << MSR_LE); |
1677 | 056401ea | j_mayer | env->hflags |= env->hflags_nmsr; |
1678 | 056401ea | j_mayer | if (loglevel != 0) { |
1679 | 056401ea | j_mayer | fprintf(logfile, "%s: set endianness to %c => " ADDRX "\n", |
1680 | 056401ea | j_mayer | __func__, T0 & 0x8 ? 'l' : 'b', env->hflags); |
1681 | 056401ea | j_mayer | } |
1682 | 056401ea | j_mayer | } |
1683 | 056401ea | j_mayer | env->spr[SPR_HID0] = T0; |
1684 | 76a66253 | j_mayer | } |
1685 | 76a66253 | j_mayer | #endif
|
1686 | 76a66253 | j_mayer | |
1687 | 76a66253 | j_mayer | /*****************************************************************************/
|
1688 | 76a66253 | j_mayer | /* 602 specific instructions */
|
1689 | 76a66253 | j_mayer | /* mfrom is the most crazy instruction ever seen, imho ! */
|
1690 | 76a66253 | j_mayer | /* Real implementation uses a ROM table. Do the same */
|
1691 | 76a66253 | j_mayer | #define USE_MFROM_ROM_TABLE
|
1692 | 76a66253 | j_mayer | void do_op_602_mfrom (void) |
1693 | 76a66253 | j_mayer | { |
1694 | 76a66253 | j_mayer | if (likely(T0 < 602)) { |
1695 | d9bce9d9 | j_mayer | #if defined(USE_MFROM_ROM_TABLE)
|
1696 | 76a66253 | j_mayer | #include "mfrom_table.c" |
1697 | 76a66253 | j_mayer | T0 = mfrom_ROM_table[T0]; |
1698 | fdabc366 | bellard | #else
|
1699 | 76a66253 | j_mayer | double d;
|
1700 | 76a66253 | j_mayer | /* Extremly decomposed:
|
1701 | 76a66253 | j_mayer | * -T0 / 256
|
1702 | 76a66253 | j_mayer | * T0 = 256 * log10(10 + 1.0) + 0.5
|
1703 | 76a66253 | j_mayer | */
|
1704 | 76a66253 | j_mayer | d = T0; |
1705 | 76a66253 | j_mayer | d = float64_div(d, 256, &env->fp_status);
|
1706 | 76a66253 | j_mayer | d = float64_chs(d); |
1707 | 76a66253 | j_mayer | d = exp10(d); // XXX: use float emulation function
|
1708 | 76a66253 | j_mayer | d = float64_add(d, 1.0, &env->fp_status); |
1709 | 76a66253 | j_mayer | d = log10(d); // XXX: use float emulation function
|
1710 | 76a66253 | j_mayer | d = float64_mul(d, 256, &env->fp_status);
|
1711 | 76a66253 | j_mayer | d = float64_add(d, 0.5, &env->fp_status); |
1712 | 76a66253 | j_mayer | T0 = float64_round_to_int(d, &env->fp_status); |
1713 | fdabc366 | bellard | #endif
|
1714 | 76a66253 | j_mayer | } else {
|
1715 | 76a66253 | j_mayer | T0 = 0;
|
1716 | 76a66253 | j_mayer | } |
1717 | 76a66253 | j_mayer | } |
1718 | 76a66253 | j_mayer | |
1719 | 76a66253 | j_mayer | /*****************************************************************************/
|
1720 | 76a66253 | j_mayer | /* Embedded PowerPC specific helpers */
|
1721 | 76a66253 | j_mayer | void do_405_check_sat (void) |
1722 | 76a66253 | j_mayer | { |
1723 | d9bce9d9 | j_mayer | if (!likely((((uint32_t)T1 ^ (uint32_t)T2) >> 31) || |
1724 | d9bce9d9 | j_mayer | !(((uint32_t)T0 ^ (uint32_t)T2) >> 31))) {
|
1725 | 76a66253 | j_mayer | /* Saturate result */
|
1726 | 76a66253 | j_mayer | if (T2 >> 31) { |
1727 | 76a66253 | j_mayer | T0 = INT32_MIN; |
1728 | 76a66253 | j_mayer | } else {
|
1729 | 76a66253 | j_mayer | T0 = INT32_MAX; |
1730 | 76a66253 | j_mayer | } |
1731 | 76a66253 | j_mayer | } |
1732 | 76a66253 | j_mayer | } |
1733 | 76a66253 | j_mayer | |
1734 | a750fc0b | j_mayer | /* XXX: to be improved to check access rights when in user-mode */
|
1735 | a750fc0b | j_mayer | void do_load_dcr (void) |
1736 | a750fc0b | j_mayer | { |
1737 | a750fc0b | j_mayer | target_ulong val; |
1738 | a750fc0b | j_mayer | |
1739 | a750fc0b | j_mayer | if (unlikely(env->dcr_env == NULL)) { |
1740 | a750fc0b | j_mayer | if (loglevel != 0) { |
1741 | a750fc0b | j_mayer | fprintf(logfile, "No DCR environment\n");
|
1742 | a750fc0b | j_mayer | } |
1743 | e1833e1f | j_mayer | do_raise_exception_err(POWERPC_EXCP_PROGRAM, |
1744 | e1833e1f | j_mayer | POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL); |
1745 | a750fc0b | j_mayer | } else if (unlikely(ppc_dcr_read(env->dcr_env, T0, &val) != 0)) { |
1746 | a750fc0b | j_mayer | if (loglevel != 0) { |
1747 | a750fc0b | j_mayer | fprintf(logfile, "DCR read error %d %03x\n", (int)T0, (int)T0); |
1748 | a750fc0b | j_mayer | } |
1749 | e1833e1f | j_mayer | do_raise_exception_err(POWERPC_EXCP_PROGRAM, |
1750 | e1833e1f | j_mayer | POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG); |
1751 | a750fc0b | j_mayer | } else {
|
1752 | a750fc0b | j_mayer | T0 = val; |
1753 | a750fc0b | j_mayer | } |
1754 | a750fc0b | j_mayer | } |
1755 | a750fc0b | j_mayer | |
1756 | a750fc0b | j_mayer | void do_store_dcr (void) |
1757 | a750fc0b | j_mayer | { |
1758 | a750fc0b | j_mayer | if (unlikely(env->dcr_env == NULL)) { |
1759 | a750fc0b | j_mayer | if (loglevel != 0) { |
1760 | a750fc0b | j_mayer | fprintf(logfile, "No DCR environment\n");
|
1761 | a750fc0b | j_mayer | } |
1762 | e1833e1f | j_mayer | do_raise_exception_err(POWERPC_EXCP_PROGRAM, |
1763 | e1833e1f | j_mayer | POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL); |
1764 | a750fc0b | j_mayer | } else if (unlikely(ppc_dcr_write(env->dcr_env, T0, T1) != 0)) { |
1765 | a750fc0b | j_mayer | if (loglevel != 0) { |
1766 | a750fc0b | j_mayer | fprintf(logfile, "DCR write error %d %03x\n", (int)T0, (int)T0); |
1767 | a750fc0b | j_mayer | } |
1768 | e1833e1f | j_mayer | do_raise_exception_err(POWERPC_EXCP_PROGRAM, |
1769 | e1833e1f | j_mayer | POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG); |
1770 | a750fc0b | j_mayer | } |
1771 | a750fc0b | j_mayer | } |
1772 | a750fc0b | j_mayer | |
1773 | 76a66253 | j_mayer | #if !defined(CONFIG_USER_ONLY)
|
1774 | a42bd6cc | j_mayer | void do_40x_rfci (void) |
1775 | 76a66253 | j_mayer | { |
1776 | 0411a972 | j_mayer | __do_rfi(env->spr[SPR_40x_SRR2], env->spr[SPR_40x_SRR3], |
1777 | 0411a972 | j_mayer | ~((target_ulong)0xFFFF0000), 0); |
1778 | a42bd6cc | j_mayer | } |
1779 | a42bd6cc | j_mayer | |
1780 | a42bd6cc | j_mayer | void do_rfci (void) |
1781 | a42bd6cc | j_mayer | { |
1782 | 0411a972 | j_mayer | __do_rfi(env->spr[SPR_BOOKE_CSRR0], SPR_BOOKE_CSRR1, |
1783 | 0411a972 | j_mayer | ~((target_ulong)0x3FFF0000), 0); |
1784 | a42bd6cc | j_mayer | } |
1785 | a42bd6cc | j_mayer | |
1786 | a42bd6cc | j_mayer | void do_rfdi (void) |
1787 | a42bd6cc | j_mayer | { |
1788 | 0411a972 | j_mayer | __do_rfi(env->spr[SPR_BOOKE_DSRR0], SPR_BOOKE_DSRR1, |
1789 | 0411a972 | j_mayer | ~((target_ulong)0x3FFF0000), 0); |
1790 | a42bd6cc | j_mayer | } |
1791 | a42bd6cc | j_mayer | |
1792 | a42bd6cc | j_mayer | void do_rfmci (void) |
1793 | a42bd6cc | j_mayer | { |
1794 | 0411a972 | j_mayer | __do_rfi(env->spr[SPR_BOOKE_MCSRR0], SPR_BOOKE_MCSRR1, |
1795 | 0411a972 | j_mayer | ~((target_ulong)0x3FFF0000), 0); |
1796 | 76a66253 | j_mayer | } |
1797 | 76a66253 | j_mayer | |
1798 | 76a66253 | j_mayer | void do_load_403_pb (int num) |
1799 | 76a66253 | j_mayer | { |
1800 | 76a66253 | j_mayer | T0 = env->pb[num]; |
1801 | 76a66253 | j_mayer | } |
1802 | 76a66253 | j_mayer | |
1803 | 76a66253 | j_mayer | void do_store_403_pb (int num) |
1804 | 76a66253 | j_mayer | { |
1805 | 76a66253 | j_mayer | if (likely(env->pb[num] != T0)) {
|
1806 | 76a66253 | j_mayer | env->pb[num] = T0; |
1807 | 76a66253 | j_mayer | /* Should be optimized */
|
1808 | 76a66253 | j_mayer | tlb_flush(env, 1);
|
1809 | 76a66253 | j_mayer | } |
1810 | 76a66253 | j_mayer | } |
1811 | 76a66253 | j_mayer | #endif
|
1812 | 76a66253 | j_mayer | |
1813 | 76a66253 | j_mayer | /* 440 specific */
|
1814 | 76a66253 | j_mayer | void do_440_dlmzb (void) |
1815 | 76a66253 | j_mayer | { |
1816 | 76a66253 | j_mayer | target_ulong mask; |
1817 | 76a66253 | j_mayer | int i;
|
1818 | 76a66253 | j_mayer | |
1819 | 76a66253 | j_mayer | i = 1;
|
1820 | 76a66253 | j_mayer | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { |
1821 | 76a66253 | j_mayer | if ((T0 & mask) == 0) |
1822 | 76a66253 | j_mayer | goto done;
|
1823 | 76a66253 | j_mayer | i++; |
1824 | 76a66253 | j_mayer | } |
1825 | 76a66253 | j_mayer | for (mask = 0xFF000000; mask != 0; mask = mask >> 8) { |
1826 | 76a66253 | j_mayer | if ((T1 & mask) == 0) |
1827 | 76a66253 | j_mayer | break;
|
1828 | 76a66253 | j_mayer | i++; |
1829 | 76a66253 | j_mayer | } |
1830 | 76a66253 | j_mayer | done:
|
1831 | 76a66253 | j_mayer | T0 = i; |
1832 | fdabc366 | bellard | } |
1833 | fdabc366 | bellard | |
1834 | 0487d6a8 | j_mayer | /* SPE extension helpers */
|
1835 | 0487d6a8 | j_mayer | /* Use a table to make this quicker */
|
1836 | 0487d6a8 | j_mayer | static uint8_t hbrev[16] = { |
1837 | 0487d6a8 | j_mayer | 0x0, 0x8, 0x4, 0xC, 0x2, 0xA, 0x6, 0xE, |
1838 | 0487d6a8 | j_mayer | 0x1, 0x9, 0x5, 0xD, 0x3, 0xB, 0x7, 0xF, |
1839 | 0487d6a8 | j_mayer | }; |
1840 | 0487d6a8 | j_mayer | |
1841 | b068d6a7 | j_mayer | static always_inline uint8_t byte_reverse (uint8_t val)
|
1842 | 0487d6a8 | j_mayer | { |
1843 | 0487d6a8 | j_mayer | return hbrev[val >> 4] | (hbrev[val & 0xF] << 4); |
1844 | 0487d6a8 | j_mayer | } |
1845 | 0487d6a8 | j_mayer | |
1846 | b068d6a7 | j_mayer | static always_inline uint32_t word_reverse (uint32_t val)
|
1847 | 0487d6a8 | j_mayer | { |
1848 | 0487d6a8 | j_mayer | return byte_reverse(val >> 24) | (byte_reverse(val >> 16) << 8) | |
1849 | 0487d6a8 | j_mayer | (byte_reverse(val >> 8) << 16) | (byte_reverse(val) << 24); |
1850 | 0487d6a8 | j_mayer | } |
1851 | 0487d6a8 | j_mayer | |
1852 | 3cd7d1dd | j_mayer | #define MASKBITS 16 // Random value - to be fixed (implementation dependant) |
1853 | 0487d6a8 | j_mayer | void do_brinc (void) |
1854 | 0487d6a8 | j_mayer | { |
1855 | 0487d6a8 | j_mayer | uint32_t a, b, d, mask; |
1856 | 0487d6a8 | j_mayer | |
1857 | 3cd7d1dd | j_mayer | mask = UINT32_MAX >> (32 - MASKBITS);
|
1858 | 3cd7d1dd | j_mayer | a = T0 & mask; |
1859 | 3cd7d1dd | j_mayer | b = T1 & mask; |
1860 | 3cd7d1dd | j_mayer | d = word_reverse(1 + word_reverse(a | ~b));
|
1861 | 3cd7d1dd | j_mayer | T0 = (T0 & ~mask) | (d & b); |
1862 | 0487d6a8 | j_mayer | } |
1863 | 0487d6a8 | j_mayer | |
1864 | 0487d6a8 | j_mayer | #define DO_SPE_OP2(name) \
|
1865 | 0487d6a8 | j_mayer | void do_ev##name (void) \ |
1866 | 0487d6a8 | j_mayer | { \ |
1867 | 0487d6a8 | j_mayer | T0_64 = ((uint64_t)_do_e##name(T0_64 >> 32, T1_64 >> 32) << 32) | \ |
1868 | 0487d6a8 | j_mayer | (uint64_t)_do_e##name(T0_64, T1_64); \ |
1869 | 0487d6a8 | j_mayer | } |
1870 | 0487d6a8 | j_mayer | |
1871 | 0487d6a8 | j_mayer | #define DO_SPE_OP1(name) \
|
1872 | 0487d6a8 | j_mayer | void do_ev##name (void) \ |
1873 | 0487d6a8 | j_mayer | { \ |
1874 | 0487d6a8 | j_mayer | T0_64 = ((uint64_t)_do_e##name(T0_64 >> 32) << 32) | \ |
1875 | 0487d6a8 | j_mayer | (uint64_t)_do_e##name(T0_64); \ |
1876 | 0487d6a8 | j_mayer | } |
1877 | 0487d6a8 | j_mayer | |
1878 | 0487d6a8 | j_mayer | /* Fixed-point vector arithmetic */
|
1879 | b068d6a7 | j_mayer | static always_inline uint32_t _do_eabs (uint32_t val)
|
1880 | 0487d6a8 | j_mayer | { |
1881 | 9c7e37e7 | j_mayer | if ((val & 0x80000000) && val != 0x80000000) |
1882 | 9c7e37e7 | j_mayer | val -= val; |
1883 | 0487d6a8 | j_mayer | |
1884 | 0487d6a8 | j_mayer | return val;
|
1885 | 0487d6a8 | j_mayer | } |
1886 | 0487d6a8 | j_mayer | |
1887 | b068d6a7 | j_mayer | static always_inline uint32_t _do_eaddw (uint32_t op1, uint32_t op2)
|
1888 | 0487d6a8 | j_mayer | { |
1889 | 0487d6a8 | j_mayer | return op1 + op2;
|
1890 | 0487d6a8 | j_mayer | } |
1891 | 0487d6a8 | j_mayer | |
1892 | b068d6a7 | j_mayer | static always_inline int _do_ecntlsw (uint32_t val) |
1893 | 0487d6a8 | j_mayer | { |
1894 | 0487d6a8 | j_mayer | if (val & 0x80000000) |
1895 | 603fccce | j_mayer | return clz32(~val);
|
1896 | 0487d6a8 | j_mayer | else
|
1897 | 603fccce | j_mayer | return clz32(val);
|
1898 | 0487d6a8 | j_mayer | } |
1899 | 0487d6a8 | j_mayer | |
1900 | b068d6a7 | j_mayer | static always_inline int _do_ecntlzw (uint32_t val) |
1901 | 0487d6a8 | j_mayer | { |
1902 | 603fccce | j_mayer | return clz32(val);
|
1903 | 0487d6a8 | j_mayer | } |
1904 | 0487d6a8 | j_mayer | |
1905 | b068d6a7 | j_mayer | static always_inline uint32_t _do_eneg (uint32_t val)
|
1906 | 0487d6a8 | j_mayer | { |
1907 | 0487d6a8 | j_mayer | if (val != 0x80000000) |
1908 | 9c7e37e7 | j_mayer | val -= val; |
1909 | 0487d6a8 | j_mayer | |
1910 | 0487d6a8 | j_mayer | return val;
|
1911 | 0487d6a8 | j_mayer | } |
1912 | 0487d6a8 | j_mayer | |
1913 | b068d6a7 | j_mayer | static always_inline uint32_t _do_erlw (uint32_t op1, uint32_t op2)
|
1914 | 0487d6a8 | j_mayer | { |
1915 | 0487d6a8 | j_mayer | return rotl32(op1, op2);
|
1916 | 0487d6a8 | j_mayer | } |
1917 | 0487d6a8 | j_mayer | |
1918 | b068d6a7 | j_mayer | static always_inline uint32_t _do_erndw (uint32_t val)
|
1919 | 0487d6a8 | j_mayer | { |
1920 | 0487d6a8 | j_mayer | return (val + 0x000080000000) & 0xFFFF0000; |
1921 | 0487d6a8 | j_mayer | } |
1922 | 0487d6a8 | j_mayer | |
1923 | b068d6a7 | j_mayer | static always_inline uint32_t _do_eslw (uint32_t op1, uint32_t op2)
|
1924 | 0487d6a8 | j_mayer | { |
1925 | 0487d6a8 | j_mayer | /* No error here: 6 bits are used */
|
1926 | 0487d6a8 | j_mayer | return op1 << (op2 & 0x3F); |
1927 | 0487d6a8 | j_mayer | } |
1928 | 0487d6a8 | j_mayer | |
1929 | b068d6a7 | j_mayer | static always_inline int32_t _do_esrws (int32_t op1, uint32_t op2)
|
1930 | 0487d6a8 | j_mayer | { |
1931 | 0487d6a8 | j_mayer | /* No error here: 6 bits are used */
|
1932 | 0487d6a8 | j_mayer | return op1 >> (op2 & 0x3F); |
1933 | 0487d6a8 | j_mayer | } |
1934 | 0487d6a8 | j_mayer | |
1935 | b068d6a7 | j_mayer | static always_inline uint32_t _do_esrwu (uint32_t op1, uint32_t op2)
|
1936 | 0487d6a8 | j_mayer | { |
1937 | 0487d6a8 | j_mayer | /* No error here: 6 bits are used */
|
1938 | 0487d6a8 | j_mayer | return op1 >> (op2 & 0x3F); |
1939 | 0487d6a8 | j_mayer | } |
1940 | 0487d6a8 | j_mayer | |
1941 | b068d6a7 | j_mayer | static always_inline uint32_t _do_esubfw (uint32_t op1, uint32_t op2)
|
1942 | 0487d6a8 | j_mayer | { |
1943 | 0487d6a8 | j_mayer | return op2 - op1;
|
1944 | 0487d6a8 | j_mayer | } |
1945 | 0487d6a8 | j_mayer | |
1946 | 0487d6a8 | j_mayer | /* evabs */
|
1947 | 0487d6a8 | j_mayer | DO_SPE_OP1(abs); |
1948 | 0487d6a8 | j_mayer | /* evaddw */
|
1949 | 0487d6a8 | j_mayer | DO_SPE_OP2(addw); |
1950 | 0487d6a8 | j_mayer | /* evcntlsw */
|
1951 | 0487d6a8 | j_mayer | DO_SPE_OP1(cntlsw); |
1952 | 0487d6a8 | j_mayer | /* evcntlzw */
|
1953 | 0487d6a8 | j_mayer | DO_SPE_OP1(cntlzw); |
1954 | 0487d6a8 | j_mayer | /* evneg */
|
1955 | 0487d6a8 | j_mayer | DO_SPE_OP1(neg); |
1956 | 0487d6a8 | j_mayer | /* evrlw */
|
1957 | 0487d6a8 | j_mayer | DO_SPE_OP2(rlw); |
1958 | 0487d6a8 | j_mayer | /* evrnd */
|
1959 | 0487d6a8 | j_mayer | DO_SPE_OP1(rndw); |
1960 | 0487d6a8 | j_mayer | /* evslw */
|
1961 | 0487d6a8 | j_mayer | DO_SPE_OP2(slw); |
1962 | 0487d6a8 | j_mayer | /* evsrws */
|
1963 | 0487d6a8 | j_mayer | DO_SPE_OP2(srws); |
1964 | 0487d6a8 | j_mayer | /* evsrwu */
|
1965 | 0487d6a8 | j_mayer | DO_SPE_OP2(srwu); |
1966 | 0487d6a8 | j_mayer | /* evsubfw */
|
1967 | 0487d6a8 | j_mayer | DO_SPE_OP2(subfw); |
1968 | 0487d6a8 | j_mayer | |
1969 | 0487d6a8 | j_mayer | /* evsel is a little bit more complicated... */
|
1970 | b068d6a7 | j_mayer | static always_inline uint32_t _do_esel (uint32_t op1, uint32_t op2, int n) |
1971 | 0487d6a8 | j_mayer | { |
1972 | 0487d6a8 | j_mayer | if (n)
|
1973 | 0487d6a8 | j_mayer | return op1;
|
1974 | 0487d6a8 | j_mayer | else
|
1975 | 0487d6a8 | j_mayer | return op2;
|
1976 | 0487d6a8 | j_mayer | } |
1977 | 0487d6a8 | j_mayer | |
1978 | 0487d6a8 | j_mayer | void do_evsel (void) |
1979 | 0487d6a8 | j_mayer | { |
1980 | 0487d6a8 | j_mayer | T0_64 = ((uint64_t)_do_esel(T0_64 >> 32, T1_64 >> 32, T0 >> 3) << 32) | |
1981 | 0487d6a8 | j_mayer | (uint64_t)_do_esel(T0_64, T1_64, (T0 >> 2) & 1); |
1982 | 0487d6a8 | j_mayer | } |
1983 | 0487d6a8 | j_mayer | |
1984 | 0487d6a8 | j_mayer | /* Fixed-point vector comparisons */
|
1985 | 0487d6a8 | j_mayer | #define DO_SPE_CMP(name) \
|
1986 | 0487d6a8 | j_mayer | void do_ev##name (void) \ |
1987 | 0487d6a8 | j_mayer | { \ |
1988 | 0487d6a8 | j_mayer | T0 = _do_evcmp_merge((uint64_t)_do_e##name(T0_64 >> 32, \ |
1989 | 0487d6a8 | j_mayer | T1_64 >> 32) << 32, \ |
1990 | 0487d6a8 | j_mayer | _do_e##name(T0_64, T1_64)); \ |
1991 | 0487d6a8 | j_mayer | } |
1992 | 0487d6a8 | j_mayer | |
1993 | b068d6a7 | j_mayer | static always_inline uint32_t _do_evcmp_merge (int t0, int t1) |
1994 | 0487d6a8 | j_mayer | { |
1995 | 0487d6a8 | j_mayer | return (t0 << 3) | (t1 << 2) | ((t0 | t1) << 1) | (t0 & t1); |
1996 | 0487d6a8 | j_mayer | } |
1997 | b068d6a7 | j_mayer | static always_inline int _do_ecmpeq (uint32_t op1, uint32_t op2) |
1998 | 0487d6a8 | j_mayer | { |
1999 | 0487d6a8 | j_mayer | return op1 == op2 ? 1 : 0; |
2000 | 0487d6a8 | j_mayer | } |
2001 | 0487d6a8 | j_mayer | |
2002 | b068d6a7 | j_mayer | static always_inline int _do_ecmpgts (int32_t op1, int32_t op2) |
2003 | 0487d6a8 | j_mayer | { |
2004 | 0487d6a8 | j_mayer | return op1 > op2 ? 1 : 0; |
2005 | 0487d6a8 | j_mayer | } |
2006 | 0487d6a8 | j_mayer | |
2007 | b068d6a7 | j_mayer | static always_inline int _do_ecmpgtu (uint32_t op1, uint32_t op2) |
2008 | 0487d6a8 | j_mayer | { |
2009 | 0487d6a8 | j_mayer | return op1 > op2 ? 1 : 0; |
2010 | 0487d6a8 | j_mayer | } |
2011 | 0487d6a8 | j_mayer | |
2012 | b068d6a7 | j_mayer | static always_inline int _do_ecmplts (int32_t op1, int32_t op2) |
2013 | 0487d6a8 | j_mayer | { |
2014 | 0487d6a8 | j_mayer | return op1 < op2 ? 1 : 0; |
2015 | 0487d6a8 | j_mayer | } |
2016 | 0487d6a8 | j_mayer | |
2017 | b068d6a7 | j_mayer | static always_inline int _do_ecmpltu (uint32_t op1, uint32_t op2) |
2018 | 0487d6a8 | j_mayer | { |
2019 | 0487d6a8 | j_mayer | return op1 < op2 ? 1 : 0; |
2020 | 0487d6a8 | j_mayer | } |
2021 | 0487d6a8 | j_mayer | |
2022 | 0487d6a8 | j_mayer | /* evcmpeq */
|
2023 | 0487d6a8 | j_mayer | DO_SPE_CMP(cmpeq); |
2024 | 0487d6a8 | j_mayer | /* evcmpgts */
|
2025 | 0487d6a8 | j_mayer | DO_SPE_CMP(cmpgts); |
2026 | 0487d6a8 | j_mayer | /* evcmpgtu */
|
2027 | 0487d6a8 | j_mayer | DO_SPE_CMP(cmpgtu); |
2028 | 0487d6a8 | j_mayer | /* evcmplts */
|
2029 | 0487d6a8 | j_mayer | DO_SPE_CMP(cmplts); |
2030 | 0487d6a8 | j_mayer | /* evcmpltu */
|
2031 | 0487d6a8 | j_mayer | DO_SPE_CMP(cmpltu); |
2032 | 0487d6a8 | j_mayer | |
2033 | 0487d6a8 | j_mayer | /* Single precision floating-point conversions from/to integer */
|
2034 | b068d6a7 | j_mayer | static always_inline uint32_t _do_efscfsi (int32_t val)
|
2035 | 0487d6a8 | j_mayer | { |
2036 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2037 | 0487d6a8 | j_mayer | |
2038 | 0487d6a8 | j_mayer | u.f = int32_to_float32(val, &env->spe_status); |
2039 | 0487d6a8 | j_mayer | |
2040 | 0ca9d380 | aurel32 | return u.l;
|
2041 | 0487d6a8 | j_mayer | } |
2042 | 0487d6a8 | j_mayer | |
2043 | b068d6a7 | j_mayer | static always_inline uint32_t _do_efscfui (uint32_t val)
|
2044 | 0487d6a8 | j_mayer | { |
2045 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2046 | 0487d6a8 | j_mayer | |
2047 | 0487d6a8 | j_mayer | u.f = uint32_to_float32(val, &env->spe_status); |
2048 | 0487d6a8 | j_mayer | |
2049 | 0ca9d380 | aurel32 | return u.l;
|
2050 | 0487d6a8 | j_mayer | } |
2051 | 0487d6a8 | j_mayer | |
2052 | b068d6a7 | j_mayer | static always_inline int32_t _do_efsctsi (uint32_t val)
|
2053 | 0487d6a8 | j_mayer | { |
2054 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2055 | 0487d6a8 | j_mayer | |
2056 | 0ca9d380 | aurel32 | u.l = val; |
2057 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2058 | 0487d6a8 | j_mayer | if (unlikely(isnan(u.f)))
|
2059 | 0487d6a8 | j_mayer | return 0; |
2060 | 0487d6a8 | j_mayer | |
2061 | 0487d6a8 | j_mayer | return float32_to_int32(u.f, &env->spe_status);
|
2062 | 0487d6a8 | j_mayer | } |
2063 | 0487d6a8 | j_mayer | |
2064 | b068d6a7 | j_mayer | static always_inline uint32_t _do_efsctui (uint32_t val)
|
2065 | 0487d6a8 | j_mayer | { |
2066 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2067 | 0487d6a8 | j_mayer | |
2068 | 0ca9d380 | aurel32 | u.l = val; |
2069 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2070 | 0487d6a8 | j_mayer | if (unlikely(isnan(u.f)))
|
2071 | 0487d6a8 | j_mayer | return 0; |
2072 | 0487d6a8 | j_mayer | |
2073 | 0487d6a8 | j_mayer | return float32_to_uint32(u.f, &env->spe_status);
|
2074 | 0487d6a8 | j_mayer | } |
2075 | 0487d6a8 | j_mayer | |
2076 | b068d6a7 | j_mayer | static always_inline int32_t _do_efsctsiz (uint32_t val)
|
2077 | 0487d6a8 | j_mayer | { |
2078 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2079 | 0487d6a8 | j_mayer | |
2080 | 0ca9d380 | aurel32 | u.l = val; |
2081 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2082 | 0487d6a8 | j_mayer | if (unlikely(isnan(u.f)))
|
2083 | 0487d6a8 | j_mayer | return 0; |
2084 | 0487d6a8 | j_mayer | |
2085 | 0487d6a8 | j_mayer | return float32_to_int32_round_to_zero(u.f, &env->spe_status);
|
2086 | 0487d6a8 | j_mayer | } |
2087 | 0487d6a8 | j_mayer | |
2088 | b068d6a7 | j_mayer | static always_inline uint32_t _do_efsctuiz (uint32_t val)
|
2089 | 0487d6a8 | j_mayer | { |
2090 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2091 | 0487d6a8 | j_mayer | |
2092 | 0ca9d380 | aurel32 | u.l = val; |
2093 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2094 | 0487d6a8 | j_mayer | if (unlikely(isnan(u.f)))
|
2095 | 0487d6a8 | j_mayer | return 0; |
2096 | 0487d6a8 | j_mayer | |
2097 | 0487d6a8 | j_mayer | return float32_to_uint32_round_to_zero(u.f, &env->spe_status);
|
2098 | 0487d6a8 | j_mayer | } |
2099 | 0487d6a8 | j_mayer | |
2100 | 0487d6a8 | j_mayer | void do_efscfsi (void) |
2101 | 0487d6a8 | j_mayer | { |
2102 | 0487d6a8 | j_mayer | T0_64 = _do_efscfsi(T0_64); |
2103 | 0487d6a8 | j_mayer | } |
2104 | 0487d6a8 | j_mayer | |
2105 | 0487d6a8 | j_mayer | void do_efscfui (void) |
2106 | 0487d6a8 | j_mayer | { |
2107 | 0487d6a8 | j_mayer | T0_64 = _do_efscfui(T0_64); |
2108 | 0487d6a8 | j_mayer | } |
2109 | 0487d6a8 | j_mayer | |
2110 | 0487d6a8 | j_mayer | void do_efsctsi (void) |
2111 | 0487d6a8 | j_mayer | { |
2112 | 0487d6a8 | j_mayer | T0_64 = _do_efsctsi(T0_64); |
2113 | 0487d6a8 | j_mayer | } |
2114 | 0487d6a8 | j_mayer | |
2115 | 0487d6a8 | j_mayer | void do_efsctui (void) |
2116 | 0487d6a8 | j_mayer | { |
2117 | 0487d6a8 | j_mayer | T0_64 = _do_efsctui(T0_64); |
2118 | 0487d6a8 | j_mayer | } |
2119 | 0487d6a8 | j_mayer | |
2120 | 0487d6a8 | j_mayer | void do_efsctsiz (void) |
2121 | 0487d6a8 | j_mayer | { |
2122 | 0487d6a8 | j_mayer | T0_64 = _do_efsctsiz(T0_64); |
2123 | 0487d6a8 | j_mayer | } |
2124 | 0487d6a8 | j_mayer | |
2125 | 0487d6a8 | j_mayer | void do_efsctuiz (void) |
2126 | 0487d6a8 | j_mayer | { |
2127 | 0487d6a8 | j_mayer | T0_64 = _do_efsctuiz(T0_64); |
2128 | 0487d6a8 | j_mayer | } |
2129 | 0487d6a8 | j_mayer | |
2130 | 0487d6a8 | j_mayer | /* Single precision floating-point conversion to/from fractional */
|
2131 | b068d6a7 | j_mayer | static always_inline uint32_t _do_efscfsf (uint32_t val)
|
2132 | 0487d6a8 | j_mayer | { |
2133 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2134 | 0487d6a8 | j_mayer | float32 tmp; |
2135 | 0487d6a8 | j_mayer | |
2136 | 0487d6a8 | j_mayer | u.f = int32_to_float32(val, &env->spe_status); |
2137 | 0487d6a8 | j_mayer | tmp = int64_to_float32(1ULL << 32, &env->spe_status); |
2138 | 0487d6a8 | j_mayer | u.f = float32_div(u.f, tmp, &env->spe_status); |
2139 | 0487d6a8 | j_mayer | |
2140 | 0ca9d380 | aurel32 | return u.l;
|
2141 | 0487d6a8 | j_mayer | } |
2142 | 0487d6a8 | j_mayer | |
2143 | b068d6a7 | j_mayer | static always_inline uint32_t _do_efscfuf (uint32_t val)
|
2144 | 0487d6a8 | j_mayer | { |
2145 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2146 | 0487d6a8 | j_mayer | float32 tmp; |
2147 | 0487d6a8 | j_mayer | |
2148 | 0487d6a8 | j_mayer | u.f = uint32_to_float32(val, &env->spe_status); |
2149 | 0487d6a8 | j_mayer | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); |
2150 | 0487d6a8 | j_mayer | u.f = float32_div(u.f, tmp, &env->spe_status); |
2151 | 0487d6a8 | j_mayer | |
2152 | 0ca9d380 | aurel32 | return u.l;
|
2153 | 0487d6a8 | j_mayer | } |
2154 | 0487d6a8 | j_mayer | |
2155 | b068d6a7 | j_mayer | static always_inline int32_t _do_efsctsf (uint32_t val)
|
2156 | 0487d6a8 | j_mayer | { |
2157 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2158 | 0487d6a8 | j_mayer | float32 tmp; |
2159 | 0487d6a8 | j_mayer | |
2160 | 0ca9d380 | aurel32 | u.l = val; |
2161 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2162 | 0487d6a8 | j_mayer | if (unlikely(isnan(u.f)))
|
2163 | 0487d6a8 | j_mayer | return 0; |
2164 | 0487d6a8 | j_mayer | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); |
2165 | 0487d6a8 | j_mayer | u.f = float32_mul(u.f, tmp, &env->spe_status); |
2166 | 0487d6a8 | j_mayer | |
2167 | 0487d6a8 | j_mayer | return float32_to_int32(u.f, &env->spe_status);
|
2168 | 0487d6a8 | j_mayer | } |
2169 | 0487d6a8 | j_mayer | |
2170 | b068d6a7 | j_mayer | static always_inline uint32_t _do_efsctuf (uint32_t val)
|
2171 | 0487d6a8 | j_mayer | { |
2172 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2173 | 0487d6a8 | j_mayer | float32 tmp; |
2174 | 0487d6a8 | j_mayer | |
2175 | 0ca9d380 | aurel32 | u.l = val; |
2176 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2177 | 0487d6a8 | j_mayer | if (unlikely(isnan(u.f)))
|
2178 | 0487d6a8 | j_mayer | return 0; |
2179 | 0487d6a8 | j_mayer | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); |
2180 | 0487d6a8 | j_mayer | u.f = float32_mul(u.f, tmp, &env->spe_status); |
2181 | 0487d6a8 | j_mayer | |
2182 | 0487d6a8 | j_mayer | return float32_to_uint32(u.f, &env->spe_status);
|
2183 | 0487d6a8 | j_mayer | } |
2184 | 0487d6a8 | j_mayer | |
2185 | b068d6a7 | j_mayer | static always_inline int32_t _do_efsctsfz (uint32_t val)
|
2186 | 0487d6a8 | j_mayer | { |
2187 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2188 | 0487d6a8 | j_mayer | float32 tmp; |
2189 | 0487d6a8 | j_mayer | |
2190 | 0ca9d380 | aurel32 | u.l = val; |
2191 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2192 | 0487d6a8 | j_mayer | if (unlikely(isnan(u.f)))
|
2193 | 0487d6a8 | j_mayer | return 0; |
2194 | 0487d6a8 | j_mayer | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); |
2195 | 0487d6a8 | j_mayer | u.f = float32_mul(u.f, tmp, &env->spe_status); |
2196 | 0487d6a8 | j_mayer | |
2197 | 0487d6a8 | j_mayer | return float32_to_int32_round_to_zero(u.f, &env->spe_status);
|
2198 | 0487d6a8 | j_mayer | } |
2199 | 0487d6a8 | j_mayer | |
2200 | b068d6a7 | j_mayer | static always_inline uint32_t _do_efsctufz (uint32_t val)
|
2201 | 0487d6a8 | j_mayer | { |
2202 | 0ca9d380 | aurel32 | CPU_FloatU u; |
2203 | 0487d6a8 | j_mayer | float32 tmp; |
2204 | 0487d6a8 | j_mayer | |
2205 | 0ca9d380 | aurel32 | u.l = val; |
2206 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2207 | 0487d6a8 | j_mayer | if (unlikely(isnan(u.f)))
|
2208 | 0487d6a8 | j_mayer | return 0; |
2209 | 0487d6a8 | j_mayer | tmp = uint64_to_float32(1ULL << 32, &env->spe_status); |
2210 | 0487d6a8 | j_mayer | u.f = float32_mul(u.f, tmp, &env->spe_status); |
2211 | 0487d6a8 | j_mayer | |
2212 | 0487d6a8 | j_mayer | return float32_to_uint32_round_to_zero(u.f, &env->spe_status);
|
2213 | 0487d6a8 | j_mayer | } |
2214 | 0487d6a8 | j_mayer | |
2215 | 0487d6a8 | j_mayer | void do_efscfsf (void) |
2216 | 0487d6a8 | j_mayer | { |
2217 | 0487d6a8 | j_mayer | T0_64 = _do_efscfsf(T0_64); |
2218 | 0487d6a8 | j_mayer | } |
2219 | 0487d6a8 | j_mayer | |
2220 | 0487d6a8 | j_mayer | void do_efscfuf (void) |
2221 | 0487d6a8 | j_mayer | { |
2222 | 0487d6a8 | j_mayer | T0_64 = _do_efscfuf(T0_64); |
2223 | 0487d6a8 | j_mayer | } |
2224 | 0487d6a8 | j_mayer | |
2225 | 0487d6a8 | j_mayer | void do_efsctsf (void) |
2226 | 0487d6a8 | j_mayer | { |
2227 | 0487d6a8 | j_mayer | T0_64 = _do_efsctsf(T0_64); |
2228 | 0487d6a8 | j_mayer | } |
2229 | 0487d6a8 | j_mayer | |
2230 | 0487d6a8 | j_mayer | void do_efsctuf (void) |
2231 | 0487d6a8 | j_mayer | { |
2232 | 0487d6a8 | j_mayer | T0_64 = _do_efsctuf(T0_64); |
2233 | 0487d6a8 | j_mayer | } |
2234 | 0487d6a8 | j_mayer | |
2235 | 0487d6a8 | j_mayer | void do_efsctsfz (void) |
2236 | 0487d6a8 | j_mayer | { |
2237 | 0487d6a8 | j_mayer | T0_64 = _do_efsctsfz(T0_64); |
2238 | 0487d6a8 | j_mayer | } |
2239 | 0487d6a8 | j_mayer | |
2240 | 0487d6a8 | j_mayer | void do_efsctufz (void) |
2241 | 0487d6a8 | j_mayer | { |
2242 | 0487d6a8 | j_mayer | T0_64 = _do_efsctufz(T0_64); |
2243 | 0487d6a8 | j_mayer | } |
2244 | 0487d6a8 | j_mayer | |
2245 | 0487d6a8 | j_mayer | /* Double precision floating point helpers */
|
2246 | b068d6a7 | j_mayer | static always_inline int _do_efdcmplt (uint64_t op1, uint64_t op2) |
2247 | 0487d6a8 | j_mayer | { |
2248 | 0487d6a8 | j_mayer | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2249 | 0487d6a8 | j_mayer | return _do_efdtstlt(op1, op2);
|
2250 | 0487d6a8 | j_mayer | } |
2251 | 0487d6a8 | j_mayer | |
2252 | b068d6a7 | j_mayer | static always_inline int _do_efdcmpgt (uint64_t op1, uint64_t op2) |
2253 | 0487d6a8 | j_mayer | { |
2254 | 0487d6a8 | j_mayer | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2255 | 0487d6a8 | j_mayer | return _do_efdtstgt(op1, op2);
|
2256 | 0487d6a8 | j_mayer | } |
2257 | 0487d6a8 | j_mayer | |
2258 | b068d6a7 | j_mayer | static always_inline int _do_efdcmpeq (uint64_t op1, uint64_t op2) |
2259 | 0487d6a8 | j_mayer | { |
2260 | 0487d6a8 | j_mayer | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2261 | 0487d6a8 | j_mayer | return _do_efdtsteq(op1, op2);
|
2262 | 0487d6a8 | j_mayer | } |
2263 | 0487d6a8 | j_mayer | |
2264 | 0487d6a8 | j_mayer | void do_efdcmplt (void) |
2265 | 0487d6a8 | j_mayer | { |
2266 | 0487d6a8 | j_mayer | T0 = _do_efdcmplt(T0_64, T1_64); |
2267 | 0487d6a8 | j_mayer | } |
2268 | 0487d6a8 | j_mayer | |
2269 | 0487d6a8 | j_mayer | void do_efdcmpgt (void) |
2270 | 0487d6a8 | j_mayer | { |
2271 | 0487d6a8 | j_mayer | T0 = _do_efdcmpgt(T0_64, T1_64); |
2272 | 0487d6a8 | j_mayer | } |
2273 | 0487d6a8 | j_mayer | |
2274 | 0487d6a8 | j_mayer | void do_efdcmpeq (void) |
2275 | 0487d6a8 | j_mayer | { |
2276 | 0487d6a8 | j_mayer | T0 = _do_efdcmpeq(T0_64, T1_64); |
2277 | 0487d6a8 | j_mayer | } |
2278 | 0487d6a8 | j_mayer | |
2279 | 0487d6a8 | j_mayer | /* Double precision floating-point conversion to/from integer */
|
2280 | b068d6a7 | j_mayer | static always_inline uint64_t _do_efdcfsi (int64_t val)
|
2281 | 0487d6a8 | j_mayer | { |
2282 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2283 | 0487d6a8 | j_mayer | |
2284 | 0ca9d380 | aurel32 | u.d = int64_to_float64(val, &env->spe_status); |
2285 | 0487d6a8 | j_mayer | |
2286 | 0ca9d380 | aurel32 | return u.ll;
|
2287 | 0487d6a8 | j_mayer | } |
2288 | 0487d6a8 | j_mayer | |
2289 | b068d6a7 | j_mayer | static always_inline uint64_t _do_efdcfui (uint64_t val)
|
2290 | 0487d6a8 | j_mayer | { |
2291 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2292 | 0487d6a8 | j_mayer | |
2293 | 0ca9d380 | aurel32 | u.d = uint64_to_float64(val, &env->spe_status); |
2294 | 0487d6a8 | j_mayer | |
2295 | 0ca9d380 | aurel32 | return u.ll;
|
2296 | 0487d6a8 | j_mayer | } |
2297 | 0487d6a8 | j_mayer | |
2298 | b068d6a7 | j_mayer | static always_inline int64_t _do_efdctsi (uint64_t val)
|
2299 | 0487d6a8 | j_mayer | { |
2300 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2301 | 0487d6a8 | j_mayer | |
2302 | 0ca9d380 | aurel32 | u.ll = val; |
2303 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2304 | 0ca9d380 | aurel32 | if (unlikely(isnan(u.d)))
|
2305 | 0487d6a8 | j_mayer | return 0; |
2306 | 0487d6a8 | j_mayer | |
2307 | 0ca9d380 | aurel32 | return float64_to_int64(u.d, &env->spe_status);
|
2308 | 0487d6a8 | j_mayer | } |
2309 | 0487d6a8 | j_mayer | |
2310 | b068d6a7 | j_mayer | static always_inline uint64_t _do_efdctui (uint64_t val)
|
2311 | 0487d6a8 | j_mayer | { |
2312 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2313 | 0487d6a8 | j_mayer | |
2314 | 0ca9d380 | aurel32 | u.ll = val; |
2315 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2316 | 0ca9d380 | aurel32 | if (unlikely(isnan(u.d)))
|
2317 | 0487d6a8 | j_mayer | return 0; |
2318 | 0487d6a8 | j_mayer | |
2319 | 0ca9d380 | aurel32 | return float64_to_uint64(u.d, &env->spe_status);
|
2320 | 0487d6a8 | j_mayer | } |
2321 | 0487d6a8 | j_mayer | |
2322 | b068d6a7 | j_mayer | static always_inline int64_t _do_efdctsiz (uint64_t val)
|
2323 | 0487d6a8 | j_mayer | { |
2324 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2325 | 0487d6a8 | j_mayer | |
2326 | 0ca9d380 | aurel32 | u.ll = val; |
2327 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2328 | 0ca9d380 | aurel32 | if (unlikely(isnan(u.d)))
|
2329 | 0487d6a8 | j_mayer | return 0; |
2330 | 0487d6a8 | j_mayer | |
2331 | 0ca9d380 | aurel32 | return float64_to_int64_round_to_zero(u.d, &env->spe_status);
|
2332 | 0487d6a8 | j_mayer | } |
2333 | 0487d6a8 | j_mayer | |
2334 | b068d6a7 | j_mayer | static always_inline uint64_t _do_efdctuiz (uint64_t val)
|
2335 | 0487d6a8 | j_mayer | { |
2336 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2337 | 0487d6a8 | j_mayer | |
2338 | 0ca9d380 | aurel32 | u.ll = val; |
2339 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2340 | 0ca9d380 | aurel32 | if (unlikely(isnan(u.d)))
|
2341 | 0487d6a8 | j_mayer | return 0; |
2342 | 0487d6a8 | j_mayer | |
2343 | 0ca9d380 | aurel32 | return float64_to_uint64_round_to_zero(u.d, &env->spe_status);
|
2344 | 0487d6a8 | j_mayer | } |
2345 | 0487d6a8 | j_mayer | |
2346 | 0487d6a8 | j_mayer | void do_efdcfsi (void) |
2347 | 0487d6a8 | j_mayer | { |
2348 | 0487d6a8 | j_mayer | T0_64 = _do_efdcfsi(T0_64); |
2349 | 0487d6a8 | j_mayer | } |
2350 | 0487d6a8 | j_mayer | |
2351 | 0487d6a8 | j_mayer | void do_efdcfui (void) |
2352 | 0487d6a8 | j_mayer | { |
2353 | 0487d6a8 | j_mayer | T0_64 = _do_efdcfui(T0_64); |
2354 | 0487d6a8 | j_mayer | } |
2355 | 0487d6a8 | j_mayer | |
2356 | 0487d6a8 | j_mayer | void do_efdctsi (void) |
2357 | 0487d6a8 | j_mayer | { |
2358 | 0487d6a8 | j_mayer | T0_64 = _do_efdctsi(T0_64); |
2359 | 0487d6a8 | j_mayer | } |
2360 | 0487d6a8 | j_mayer | |
2361 | 0487d6a8 | j_mayer | void do_efdctui (void) |
2362 | 0487d6a8 | j_mayer | { |
2363 | 0487d6a8 | j_mayer | T0_64 = _do_efdctui(T0_64); |
2364 | 0487d6a8 | j_mayer | } |
2365 | 0487d6a8 | j_mayer | |
2366 | 0487d6a8 | j_mayer | void do_efdctsiz (void) |
2367 | 0487d6a8 | j_mayer | { |
2368 | 0487d6a8 | j_mayer | T0_64 = _do_efdctsiz(T0_64); |
2369 | 0487d6a8 | j_mayer | } |
2370 | 0487d6a8 | j_mayer | |
2371 | 0487d6a8 | j_mayer | void do_efdctuiz (void) |
2372 | 0487d6a8 | j_mayer | { |
2373 | 0487d6a8 | j_mayer | T0_64 = _do_efdctuiz(T0_64); |
2374 | 0487d6a8 | j_mayer | } |
2375 | 0487d6a8 | j_mayer | |
2376 | 0487d6a8 | j_mayer | /* Double precision floating-point conversion to/from fractional */
|
2377 | b068d6a7 | j_mayer | static always_inline uint64_t _do_efdcfsf (int64_t val)
|
2378 | 0487d6a8 | j_mayer | { |
2379 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2380 | 0487d6a8 | j_mayer | float64 tmp; |
2381 | 0487d6a8 | j_mayer | |
2382 | 0ca9d380 | aurel32 | u.d = int32_to_float64(val, &env->spe_status); |
2383 | 0487d6a8 | j_mayer | tmp = int64_to_float64(1ULL << 32, &env->spe_status); |
2384 | 0ca9d380 | aurel32 | u.d = float64_div(u.d, tmp, &env->spe_status); |
2385 | 0487d6a8 | j_mayer | |
2386 | 0ca9d380 | aurel32 | return u.ll;
|
2387 | 0487d6a8 | j_mayer | } |
2388 | 0487d6a8 | j_mayer | |
2389 | b068d6a7 | j_mayer | static always_inline uint64_t _do_efdcfuf (uint64_t val)
|
2390 | 0487d6a8 | j_mayer | { |
2391 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2392 | 0487d6a8 | j_mayer | float64 tmp; |
2393 | 0487d6a8 | j_mayer | |
2394 | 0ca9d380 | aurel32 | u.d = uint32_to_float64(val, &env->spe_status); |
2395 | 0487d6a8 | j_mayer | tmp = int64_to_float64(1ULL << 32, &env->spe_status); |
2396 | 0ca9d380 | aurel32 | u.d = float64_div(u.d, tmp, &env->spe_status); |
2397 | 0487d6a8 | j_mayer | |
2398 | 0ca9d380 | aurel32 | return u.ll;
|
2399 | 0487d6a8 | j_mayer | } |
2400 | 0487d6a8 | j_mayer | |
2401 | b068d6a7 | j_mayer | static always_inline int64_t _do_efdctsf (uint64_t val)
|
2402 | 0487d6a8 | j_mayer | { |
2403 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2404 | 0487d6a8 | j_mayer | float64 tmp; |
2405 | 0487d6a8 | j_mayer | |
2406 | 0ca9d380 | aurel32 | u.ll = val; |
2407 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2408 | 0ca9d380 | aurel32 | if (unlikely(isnan(u.d)))
|
2409 | 0487d6a8 | j_mayer | return 0; |
2410 | 0487d6a8 | j_mayer | tmp = uint64_to_float64(1ULL << 32, &env->spe_status); |
2411 | 0ca9d380 | aurel32 | u.d = float64_mul(u.d, tmp, &env->spe_status); |
2412 | 0487d6a8 | j_mayer | |
2413 | 0ca9d380 | aurel32 | return float64_to_int32(u.d, &env->spe_status);
|
2414 | 0487d6a8 | j_mayer | } |
2415 | 0487d6a8 | j_mayer | |
2416 | b068d6a7 | j_mayer | static always_inline uint64_t _do_efdctuf (uint64_t val)
|
2417 | 0487d6a8 | j_mayer | { |
2418 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2419 | 0487d6a8 | j_mayer | float64 tmp; |
2420 | 0487d6a8 | j_mayer | |
2421 | 0ca9d380 | aurel32 | u.ll = val; |
2422 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2423 | 0ca9d380 | aurel32 | if (unlikely(isnan(u.d)))
|
2424 | 0487d6a8 | j_mayer | return 0; |
2425 | 0487d6a8 | j_mayer | tmp = uint64_to_float64(1ULL << 32, &env->spe_status); |
2426 | 0ca9d380 | aurel32 | u.d = float64_mul(u.d, tmp, &env->spe_status); |
2427 | 0487d6a8 | j_mayer | |
2428 | 0ca9d380 | aurel32 | return float64_to_uint32(u.d, &env->spe_status);
|
2429 | 0487d6a8 | j_mayer | } |
2430 | 0487d6a8 | j_mayer | |
2431 | b068d6a7 | j_mayer | static always_inline int64_t _do_efdctsfz (uint64_t val)
|
2432 | 0487d6a8 | j_mayer | { |
2433 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2434 | 0487d6a8 | j_mayer | float64 tmp; |
2435 | 0487d6a8 | j_mayer | |
2436 | 0ca9d380 | aurel32 | u.ll = val; |
2437 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2438 | 0ca9d380 | aurel32 | if (unlikely(isnan(u.d)))
|
2439 | 0487d6a8 | j_mayer | return 0; |
2440 | 0487d6a8 | j_mayer | tmp = uint64_to_float64(1ULL << 32, &env->spe_status); |
2441 | 0ca9d380 | aurel32 | u.d = float64_mul(u.d, tmp, &env->spe_status); |
2442 | 0487d6a8 | j_mayer | |
2443 | 0ca9d380 | aurel32 | return float64_to_int32_round_to_zero(u.d, &env->spe_status);
|
2444 | 0487d6a8 | j_mayer | } |
2445 | 0487d6a8 | j_mayer | |
2446 | b068d6a7 | j_mayer | static always_inline uint64_t _do_efdctufz (uint64_t val)
|
2447 | 0487d6a8 | j_mayer | { |
2448 | 0ca9d380 | aurel32 | CPU_DoubleU u; |
2449 | 0487d6a8 | j_mayer | float64 tmp; |
2450 | 0487d6a8 | j_mayer | |
2451 | 0ca9d380 | aurel32 | u.ll = val; |
2452 | 0487d6a8 | j_mayer | /* NaN are not treated the same way IEEE 754 does */
|
2453 | 0ca9d380 | aurel32 | if (unlikely(isnan(u.d)))
|
2454 | 0487d6a8 | j_mayer | return 0; |
2455 | 0487d6a8 | j_mayer | tmp = uint64_to_float64(1ULL << 32, &env->spe_status); |
2456 | 0ca9d380 | aurel32 | u.d = float64_mul(u.d, tmp, &env->spe_status); |
2457 | 0487d6a8 | j_mayer | |
2458 | 0ca9d380 | aurel32 | return float64_to_uint32_round_to_zero(u.d, &env->spe_status);
|
2459 | 0487d6a8 | j_mayer | } |
2460 | 0487d6a8 | j_mayer | |
2461 | 0487d6a8 | j_mayer | void do_efdcfsf (void) |
2462 | 0487d6a8 | j_mayer | { |
2463 | 0487d6a8 | j_mayer | T0_64 = _do_efdcfsf(T0_64); |
2464 | 0487d6a8 | j_mayer | } |
2465 | 0487d6a8 | j_mayer | |
2466 | 0487d6a8 | j_mayer | void do_efdcfuf (void) |
2467 | 0487d6a8 | j_mayer | { |
2468 | 0487d6a8 | j_mayer | T0_64 = _do_efdcfuf(T0_64); |
2469 | 0487d6a8 | j_mayer | } |
2470 | 0487d6a8 | j_mayer | |
2471 | 0487d6a8 | j_mayer | void do_efdctsf (void) |
2472 | 0487d6a8 | j_mayer | { |
2473 | 0487d6a8 | j_mayer | T0_64 = _do_efdctsf(T0_64); |
2474 | 0487d6a8 | j_mayer | } |
2475 | 0487d6a8 | j_mayer | |
2476 | 0487d6a8 | j_mayer | void do_efdctuf (void) |
2477 | 0487d6a8 | j_mayer | { |
2478 | 0487d6a8 | j_mayer | T0_64 = _do_efdctuf(T0_64); |
2479 | 0487d6a8 | j_mayer | } |
2480 | 0487d6a8 | j_mayer | |
2481 | 0487d6a8 | j_mayer | void do_efdctsfz (void) |
2482 | 0487d6a8 | j_mayer | { |
2483 | 0487d6a8 | j_mayer | T0_64 = _do_efdctsfz(T0_64); |
2484 | 0487d6a8 | j_mayer | } |
2485 | 0487d6a8 | j_mayer | |
2486 | 0487d6a8 | j_mayer | void do_efdctufz (void) |
2487 | 0487d6a8 | j_mayer | { |
2488 | 0487d6a8 | j_mayer | T0_64 = _do_efdctufz(T0_64); |
2489 | 0487d6a8 | j_mayer | } |
2490 | 0487d6a8 | j_mayer | |
2491 | 0487d6a8 | j_mayer | /* Floating point conversion between single and double precision */
|
2492 | b068d6a7 | j_mayer | static always_inline uint32_t _do_efscfd (uint64_t val)
|
2493 | 0487d6a8 | j_mayer | { |
2494 | 0ca9d380 | aurel32 | CPU_DoubleU u1; |
2495 | 0ca9d380 | aurel32 | CPU_FloatU u2; |
2496 | 0487d6a8 | j_mayer | |
2497 | 0ca9d380 | aurel32 | u1.ll = val; |
2498 | 0ca9d380 | aurel32 | u2.f = float64_to_float32(u1.d, &env->spe_status); |
2499 | 0487d6a8 | j_mayer | |
2500 | 0ca9d380 | aurel32 | return u2.l;
|
2501 | 0487d6a8 | j_mayer | } |
2502 | 0487d6a8 | j_mayer | |
2503 | b068d6a7 | j_mayer | static always_inline uint64_t _do_efdcfs (uint32_t val)
|
2504 | 0487d6a8 | j_mayer | { |
2505 | 0ca9d380 | aurel32 | CPU_DoubleU u2; |
2506 | 0ca9d380 | aurel32 | CPU_FloatU u1; |
2507 | 0487d6a8 | j_mayer | |
2508 | 0ca9d380 | aurel32 | u1.l = val; |
2509 | 0ca9d380 | aurel32 | u2.d = float32_to_float64(u1.f, &env->spe_status); |
2510 | 0487d6a8 | j_mayer | |
2511 | 0ca9d380 | aurel32 | return u2.ll;
|
2512 | 0487d6a8 | j_mayer | } |
2513 | 0487d6a8 | j_mayer | |
2514 | 0487d6a8 | j_mayer | void do_efscfd (void) |
2515 | 0487d6a8 | j_mayer | { |
2516 | 0487d6a8 | j_mayer | T0_64 = _do_efscfd(T0_64); |
2517 | 0487d6a8 | j_mayer | } |
2518 | 0487d6a8 | j_mayer | |
2519 | 0487d6a8 | j_mayer | void do_efdcfs (void) |
2520 | 0487d6a8 | j_mayer | { |
2521 | 0487d6a8 | j_mayer | T0_64 = _do_efdcfs(T0_64); |
2522 | 0487d6a8 | j_mayer | } |
2523 | 0487d6a8 | j_mayer | |
2524 | 0487d6a8 | j_mayer | /* Single precision fixed-point vector arithmetic */
|
2525 | 0487d6a8 | j_mayer | /* evfsabs */
|
2526 | 0487d6a8 | j_mayer | DO_SPE_OP1(fsabs); |
2527 | 0487d6a8 | j_mayer | /* evfsnabs */
|
2528 | 0487d6a8 | j_mayer | DO_SPE_OP1(fsnabs); |
2529 | 0487d6a8 | j_mayer | /* evfsneg */
|
2530 | 0487d6a8 | j_mayer | DO_SPE_OP1(fsneg); |
2531 | 0487d6a8 | j_mayer | /* evfsadd */
|
2532 | 0487d6a8 | j_mayer | DO_SPE_OP2(fsadd); |
2533 | 0487d6a8 | j_mayer | /* evfssub */
|
2534 | 0487d6a8 | j_mayer | DO_SPE_OP2(fssub); |
2535 | 0487d6a8 | j_mayer | /* evfsmul */
|
2536 | 0487d6a8 | j_mayer | DO_SPE_OP2(fsmul); |
2537 | 0487d6a8 | j_mayer | /* evfsdiv */
|
2538 | 0487d6a8 | j_mayer | DO_SPE_OP2(fsdiv); |
2539 | 0487d6a8 | j_mayer | |
2540 | 0487d6a8 | j_mayer | /* Single-precision floating-point comparisons */
|
2541 | b068d6a7 | j_mayer | static always_inline int _do_efscmplt (uint32_t op1, uint32_t op2) |
2542 | 0487d6a8 | j_mayer | { |
2543 | 0487d6a8 | j_mayer | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2544 | 0487d6a8 | j_mayer | return _do_efststlt(op1, op2);
|
2545 | 0487d6a8 | j_mayer | } |
2546 | 0487d6a8 | j_mayer | |
2547 | b068d6a7 | j_mayer | static always_inline int _do_efscmpgt (uint32_t op1, uint32_t op2) |
2548 | 0487d6a8 | j_mayer | { |
2549 | 0487d6a8 | j_mayer | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2550 | 0487d6a8 | j_mayer | return _do_efststgt(op1, op2);
|
2551 | 0487d6a8 | j_mayer | } |
2552 | 0487d6a8 | j_mayer | |
2553 | b068d6a7 | j_mayer | static always_inline int _do_efscmpeq (uint32_t op1, uint32_t op2) |
2554 | 0487d6a8 | j_mayer | { |
2555 | 0487d6a8 | j_mayer | /* XXX: TODO: test special values (NaN, infinites, ...) */
|
2556 | 0487d6a8 | j_mayer | return _do_efststeq(op1, op2);
|
2557 | 0487d6a8 | j_mayer | } |
2558 | 0487d6a8 | j_mayer | |
2559 | 0487d6a8 | j_mayer | void do_efscmplt (void) |
2560 | 0487d6a8 | j_mayer | { |
2561 | 0487d6a8 | j_mayer | T0 = _do_efscmplt(T0_64, T1_64); |
2562 | 0487d6a8 | j_mayer | } |
2563 | 0487d6a8 | j_mayer | |
2564 | 0487d6a8 | j_mayer | void do_efscmpgt (void) |
2565 | 0487d6a8 | j_mayer | { |
2566 | 0487d6a8 | j_mayer | T0 = _do_efscmpgt(T0_64, T1_64); |
2567 | 0487d6a8 | j_mayer | } |
2568 | 0487d6a8 | j_mayer | |
2569 | 0487d6a8 | j_mayer | void do_efscmpeq (void) |
2570 | 0487d6a8 | j_mayer | { |
2571 | 0487d6a8 | j_mayer | T0 = _do_efscmpeq(T0_64, T1_64); |
2572 | 0487d6a8 | j_mayer | } |
2573 | 0487d6a8 | j_mayer | |
2574 | 0487d6a8 | j_mayer | /* Single-precision floating-point vector comparisons */
|
2575 | 0487d6a8 | j_mayer | /* evfscmplt */
|
2576 | 0487d6a8 | j_mayer | DO_SPE_CMP(fscmplt); |
2577 | 0487d6a8 | j_mayer | /* evfscmpgt */
|
2578 | 0487d6a8 | j_mayer | DO_SPE_CMP(fscmpgt); |
2579 | 0487d6a8 | j_mayer | /* evfscmpeq */
|
2580 | 0487d6a8 | j_mayer | DO_SPE_CMP(fscmpeq); |
2581 | 0487d6a8 | j_mayer | /* evfststlt */
|
2582 | 0487d6a8 | j_mayer | DO_SPE_CMP(fststlt); |
2583 | 0487d6a8 | j_mayer | /* evfststgt */
|
2584 | 0487d6a8 | j_mayer | DO_SPE_CMP(fststgt); |
2585 | 0487d6a8 | j_mayer | /* evfststeq */
|
2586 | 0487d6a8 | j_mayer | DO_SPE_CMP(fststeq); |
2587 | 0487d6a8 | j_mayer | |
2588 | 0487d6a8 | j_mayer | /* Single-precision floating-point vector conversions */
|
2589 | 0487d6a8 | j_mayer | /* evfscfsi */
|
2590 | 0487d6a8 | j_mayer | DO_SPE_OP1(fscfsi); |
2591 | 0487d6a8 | j_mayer | /* evfscfui */
|
2592 | 0487d6a8 | j_mayer | DO_SPE_OP1(fscfui); |
2593 | 0487d6a8 | j_mayer | /* evfscfuf */
|
2594 | 0487d6a8 | j_mayer | DO_SPE_OP1(fscfuf); |
2595 | 0487d6a8 | j_mayer | /* evfscfsf */
|
2596 | 0487d6a8 | j_mayer | DO_SPE_OP1(fscfsf); |
2597 | 0487d6a8 | j_mayer | /* evfsctsi */
|
2598 | 0487d6a8 | j_mayer | DO_SPE_OP1(fsctsi); |
2599 | 0487d6a8 | j_mayer | /* evfsctui */
|
2600 | 0487d6a8 | j_mayer | DO_SPE_OP1(fsctui); |
2601 | 0487d6a8 | j_mayer | /* evfsctsiz */
|
2602 | 0487d6a8 | j_mayer | DO_SPE_OP1(fsctsiz); |
2603 | 0487d6a8 | j_mayer | /* evfsctuiz */
|
2604 | 0487d6a8 | j_mayer | DO_SPE_OP1(fsctuiz); |
2605 | 0487d6a8 | j_mayer | /* evfsctsf */
|
2606 | 0487d6a8 | j_mayer | DO_SPE_OP1(fsctsf); |
2607 | 0487d6a8 | j_mayer | /* evfsctuf */
|
2608 | 0487d6a8 | j_mayer | DO_SPE_OP1(fsctuf); |
2609 | 0487d6a8 | j_mayer | |
2610 | fdabc366 | bellard | /*****************************************************************************/
|
2611 | fdabc366 | bellard | /* Softmmu support */
|
2612 | fdabc366 | bellard | #if !defined (CONFIG_USER_ONLY)
|
2613 | fdabc366 | bellard | |
2614 | fdabc366 | bellard | #define MMUSUFFIX _mmu
|
2615 | fdabc366 | bellard | |
2616 | fdabc366 | bellard | #define SHIFT 0 |
2617 | fdabc366 | bellard | #include "softmmu_template.h" |
2618 | fdabc366 | bellard | |
2619 | fdabc366 | bellard | #define SHIFT 1 |
2620 | fdabc366 | bellard | #include "softmmu_template.h" |
2621 | fdabc366 | bellard | |
2622 | fdabc366 | bellard | #define SHIFT 2 |
2623 | fdabc366 | bellard | #include "softmmu_template.h" |
2624 | fdabc366 | bellard | |
2625 | fdabc366 | bellard | #define SHIFT 3 |
2626 | fdabc366 | bellard | #include "softmmu_template.h" |
2627 | fdabc366 | bellard | |
2628 | fdabc366 | bellard | /* try to fill the TLB and return an exception if error. If retaddr is
|
2629 | fdabc366 | bellard | NULL, it means that the function was called in C code (i.e. not
|
2630 | fdabc366 | bellard | from generated code or from helper.c) */
|
2631 | fdabc366 | bellard | /* XXX: fix it to restore all registers */
|
2632 | 6ebbf390 | j_mayer | void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
2633 | fdabc366 | bellard | { |
2634 | fdabc366 | bellard | TranslationBlock *tb; |
2635 | fdabc366 | bellard | CPUState *saved_env; |
2636 | 44f8625d | bellard | unsigned long pc; |
2637 | fdabc366 | bellard | int ret;
|
2638 | fdabc366 | bellard | |
2639 | fdabc366 | bellard | /* XXX: hack to restore env in all cases, even if not called from
|
2640 | fdabc366 | bellard | generated code */
|
2641 | fdabc366 | bellard | saved_env = env; |
2642 | fdabc366 | bellard | env = cpu_single_env; |
2643 | 6ebbf390 | j_mayer | ret = cpu_ppc_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
2644 | 76a66253 | j_mayer | if (unlikely(ret != 0)) { |
2645 | fdabc366 | bellard | if (likely(retaddr)) {
|
2646 | fdabc366 | bellard | /* now we have a real cpu fault */
|
2647 | 44f8625d | bellard | pc = (unsigned long)retaddr; |
2648 | fdabc366 | bellard | tb = tb_find_pc(pc); |
2649 | fdabc366 | bellard | if (likely(tb)) {
|
2650 | fdabc366 | bellard | /* the PC is inside the translated code. It means that we have
|
2651 | fdabc366 | bellard | a virtual CPU fault */
|
2652 | fdabc366 | bellard | cpu_restore_state(tb, env, pc, NULL);
|
2653 | 76a66253 | j_mayer | } |
2654 | fdabc366 | bellard | } |
2655 | fdabc366 | bellard | do_raise_exception_err(env->exception_index, env->error_code); |
2656 | fdabc366 | bellard | } |
2657 | fdabc366 | bellard | env = saved_env; |
2658 | 9a64fbe4 | bellard | } |
2659 | 9a64fbe4 | bellard | |
2660 | 76a66253 | j_mayer | /* Software driven TLBs management */
|
2661 | 76a66253 | j_mayer | /* PowerPC 602/603 software TLB load instructions helpers */
|
2662 | 76a66253 | j_mayer | void do_load_6xx_tlb (int is_code) |
2663 | 76a66253 | j_mayer | { |
2664 | 76a66253 | j_mayer | target_ulong RPN, CMP, EPN; |
2665 | 76a66253 | j_mayer | int way;
|
2666 | d9bce9d9 | j_mayer | |
2667 | 76a66253 | j_mayer | RPN = env->spr[SPR_RPA]; |
2668 | 76a66253 | j_mayer | if (is_code) {
|
2669 | 76a66253 | j_mayer | CMP = env->spr[SPR_ICMP]; |
2670 | 76a66253 | j_mayer | EPN = env->spr[SPR_IMISS]; |
2671 | 76a66253 | j_mayer | } else {
|
2672 | 76a66253 | j_mayer | CMP = env->spr[SPR_DCMP]; |
2673 | 76a66253 | j_mayer | EPN = env->spr[SPR_DMISS]; |
2674 | 76a66253 | j_mayer | } |
2675 | 76a66253 | j_mayer | way = (env->spr[SPR_SRR1] >> 17) & 1; |
2676 | 76a66253 | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2677 | 76a66253 | j_mayer | if (loglevel != 0) { |
2678 | 6b542af7 | j_mayer | fprintf(logfile, "%s: EPN " TDX " " ADDRX " PTE0 " ADDRX |
2679 | 6b542af7 | j_mayer | " PTE1 " ADDRX " way %d\n", |
2680 | 6b542af7 | j_mayer | __func__, T0, EPN, CMP, RPN, way); |
2681 | 76a66253 | j_mayer | } |
2682 | 76a66253 | j_mayer | #endif
|
2683 | 76a66253 | j_mayer | /* Store this TLB */
|
2684 | d9bce9d9 | j_mayer | ppc6xx_tlb_store(env, (uint32_t)(T0 & TARGET_PAGE_MASK), |
2685 | d9bce9d9 | j_mayer | way, is_code, CMP, RPN); |
2686 | 76a66253 | j_mayer | } |
2687 | 76a66253 | j_mayer | |
2688 | 7dbe11ac | j_mayer | void do_load_74xx_tlb (int is_code) |
2689 | 7dbe11ac | j_mayer | { |
2690 | 7dbe11ac | j_mayer | target_ulong RPN, CMP, EPN; |
2691 | 7dbe11ac | j_mayer | int way;
|
2692 | 7dbe11ac | j_mayer | |
2693 | 7dbe11ac | j_mayer | RPN = env->spr[SPR_PTELO]; |
2694 | 7dbe11ac | j_mayer | CMP = env->spr[SPR_PTEHI]; |
2695 | 7dbe11ac | j_mayer | EPN = env->spr[SPR_TLBMISS] & ~0x3;
|
2696 | 7dbe11ac | j_mayer | way = env->spr[SPR_TLBMISS] & 0x3;
|
2697 | 7dbe11ac | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2698 | 7dbe11ac | j_mayer | if (loglevel != 0) { |
2699 | 6b542af7 | j_mayer | fprintf(logfile, "%s: EPN " TDX " " ADDRX " PTE0 " ADDRX |
2700 | 6b542af7 | j_mayer | " PTE1 " ADDRX " way %d\n", |
2701 | 6b542af7 | j_mayer | __func__, T0, EPN, CMP, RPN, way); |
2702 | 7dbe11ac | j_mayer | } |
2703 | 7dbe11ac | j_mayer | #endif
|
2704 | 7dbe11ac | j_mayer | /* Store this TLB */
|
2705 | 7dbe11ac | j_mayer | ppc6xx_tlb_store(env, (uint32_t)(T0 & TARGET_PAGE_MASK), |
2706 | 7dbe11ac | j_mayer | way, is_code, CMP, RPN); |
2707 | 7dbe11ac | j_mayer | } |
2708 | 7dbe11ac | j_mayer | |
2709 | a11b8151 | j_mayer | static always_inline target_ulong booke_tlb_to_page_size (int size) |
2710 | a8dea12f | j_mayer | { |
2711 | a8dea12f | j_mayer | return 1024 << (2 * size); |
2712 | a8dea12f | j_mayer | } |
2713 | a8dea12f | j_mayer | |
2714 | a11b8151 | j_mayer | static always_inline int booke_page_size_to_tlb (target_ulong page_size) |
2715 | a8dea12f | j_mayer | { |
2716 | a8dea12f | j_mayer | int size;
|
2717 | a8dea12f | j_mayer | |
2718 | a8dea12f | j_mayer | switch (page_size) {
|
2719 | a8dea12f | j_mayer | case 0x00000400UL: |
2720 | a8dea12f | j_mayer | size = 0x0;
|
2721 | a8dea12f | j_mayer | break;
|
2722 | a8dea12f | j_mayer | case 0x00001000UL: |
2723 | a8dea12f | j_mayer | size = 0x1;
|
2724 | a8dea12f | j_mayer | break;
|
2725 | a8dea12f | j_mayer | case 0x00004000UL: |
2726 | a8dea12f | j_mayer | size = 0x2;
|
2727 | a8dea12f | j_mayer | break;
|
2728 | a8dea12f | j_mayer | case 0x00010000UL: |
2729 | a8dea12f | j_mayer | size = 0x3;
|
2730 | a8dea12f | j_mayer | break;
|
2731 | a8dea12f | j_mayer | case 0x00040000UL: |
2732 | a8dea12f | j_mayer | size = 0x4;
|
2733 | a8dea12f | j_mayer | break;
|
2734 | a8dea12f | j_mayer | case 0x00100000UL: |
2735 | a8dea12f | j_mayer | size = 0x5;
|
2736 | a8dea12f | j_mayer | break;
|
2737 | a8dea12f | j_mayer | case 0x00400000UL: |
2738 | a8dea12f | j_mayer | size = 0x6;
|
2739 | a8dea12f | j_mayer | break;
|
2740 | a8dea12f | j_mayer | case 0x01000000UL: |
2741 | a8dea12f | j_mayer | size = 0x7;
|
2742 | a8dea12f | j_mayer | break;
|
2743 | a8dea12f | j_mayer | case 0x04000000UL: |
2744 | a8dea12f | j_mayer | size = 0x8;
|
2745 | a8dea12f | j_mayer | break;
|
2746 | a8dea12f | j_mayer | case 0x10000000UL: |
2747 | a8dea12f | j_mayer | size = 0x9;
|
2748 | a8dea12f | j_mayer | break;
|
2749 | a8dea12f | j_mayer | case 0x40000000UL: |
2750 | a8dea12f | j_mayer | size = 0xA;
|
2751 | a8dea12f | j_mayer | break;
|
2752 | a8dea12f | j_mayer | #if defined (TARGET_PPC64)
|
2753 | a8dea12f | j_mayer | case 0x000100000000ULL: |
2754 | a8dea12f | j_mayer | size = 0xB;
|
2755 | a8dea12f | j_mayer | break;
|
2756 | a8dea12f | j_mayer | case 0x000400000000ULL: |
2757 | a8dea12f | j_mayer | size = 0xC;
|
2758 | a8dea12f | j_mayer | break;
|
2759 | a8dea12f | j_mayer | case 0x001000000000ULL: |
2760 | a8dea12f | j_mayer | size = 0xD;
|
2761 | a8dea12f | j_mayer | break;
|
2762 | a8dea12f | j_mayer | case 0x004000000000ULL: |
2763 | a8dea12f | j_mayer | size = 0xE;
|
2764 | a8dea12f | j_mayer | break;
|
2765 | a8dea12f | j_mayer | case 0x010000000000ULL: |
2766 | a8dea12f | j_mayer | size = 0xF;
|
2767 | a8dea12f | j_mayer | break;
|
2768 | a8dea12f | j_mayer | #endif
|
2769 | a8dea12f | j_mayer | default:
|
2770 | a8dea12f | j_mayer | size = -1;
|
2771 | a8dea12f | j_mayer | break;
|
2772 | a8dea12f | j_mayer | } |
2773 | a8dea12f | j_mayer | |
2774 | a8dea12f | j_mayer | return size;
|
2775 | a8dea12f | j_mayer | } |
2776 | a8dea12f | j_mayer | |
2777 | 76a66253 | j_mayer | /* Helpers for 4xx TLB management */
|
2778 | 76a66253 | j_mayer | void do_4xx_tlbre_lo (void) |
2779 | 76a66253 | j_mayer | { |
2780 | a8dea12f | j_mayer | ppcemb_tlb_t *tlb; |
2781 | a8dea12f | j_mayer | int size;
|
2782 | 76a66253 | j_mayer | |
2783 | 76a66253 | j_mayer | T0 &= 0x3F;
|
2784 | a8dea12f | j_mayer | tlb = &env->tlb[T0].tlbe; |
2785 | a8dea12f | j_mayer | T0 = tlb->EPN; |
2786 | a8dea12f | j_mayer | if (tlb->prot & PAGE_VALID)
|
2787 | a8dea12f | j_mayer | T0 |= 0x400;
|
2788 | a8dea12f | j_mayer | size = booke_page_size_to_tlb(tlb->size); |
2789 | a8dea12f | j_mayer | if (size < 0 || size > 0x7) |
2790 | a8dea12f | j_mayer | size = 1;
|
2791 | a8dea12f | j_mayer | T0 |= size << 7;
|
2792 | a8dea12f | j_mayer | env->spr[SPR_40x_PID] = tlb->PID; |
2793 | 76a66253 | j_mayer | } |
2794 | 76a66253 | j_mayer | |
2795 | 76a66253 | j_mayer | void do_4xx_tlbre_hi (void) |
2796 | 76a66253 | j_mayer | { |
2797 | a8dea12f | j_mayer | ppcemb_tlb_t *tlb; |
2798 | 76a66253 | j_mayer | |
2799 | 76a66253 | j_mayer | T0 &= 0x3F;
|
2800 | a8dea12f | j_mayer | tlb = &env->tlb[T0].tlbe; |
2801 | a8dea12f | j_mayer | T0 = tlb->RPN; |
2802 | a8dea12f | j_mayer | if (tlb->prot & PAGE_EXEC)
|
2803 | a8dea12f | j_mayer | T0 |= 0x200;
|
2804 | a8dea12f | j_mayer | if (tlb->prot & PAGE_WRITE)
|
2805 | a8dea12f | j_mayer | T0 |= 0x100;
|
2806 | 76a66253 | j_mayer | } |
2807 | 76a66253 | j_mayer | |
2808 | c55e9aef | j_mayer | void do_4xx_tlbwe_hi (void) |
2809 | 76a66253 | j_mayer | { |
2810 | a8dea12f | j_mayer | ppcemb_tlb_t *tlb; |
2811 | 76a66253 | j_mayer | target_ulong page, end; |
2812 | 76a66253 | j_mayer | |
2813 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2814 | 6b80055d | j_mayer | if (loglevel != 0) { |
2815 | 6b542af7 | j_mayer | fprintf(logfile, "%s T0 " TDX " T1 " TDX "\n", __func__, T0, T1); |
2816 | c55e9aef | j_mayer | } |
2817 | c55e9aef | j_mayer | #endif
|
2818 | 76a66253 | j_mayer | T0 &= 0x3F;
|
2819 | a8dea12f | j_mayer | tlb = &env->tlb[T0].tlbe; |
2820 | 76a66253 | j_mayer | /* Invalidate previous TLB (if it's valid) */
|
2821 | 76a66253 | j_mayer | if (tlb->prot & PAGE_VALID) {
|
2822 | 76a66253 | j_mayer | end = tlb->EPN + tlb->size; |
2823 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2824 | 6b80055d | j_mayer | if (loglevel != 0) { |
2825 | c55e9aef | j_mayer | fprintf(logfile, "%s: invalidate old TLB %d start " ADDRX
|
2826 | c55e9aef | j_mayer | " end " ADDRX "\n", __func__, (int)T0, tlb->EPN, end); |
2827 | c55e9aef | j_mayer | } |
2828 | c55e9aef | j_mayer | #endif
|
2829 | 76a66253 | j_mayer | for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
|
2830 | 76a66253 | j_mayer | tlb_flush_page(env, page); |
2831 | 76a66253 | j_mayer | } |
2832 | a8dea12f | j_mayer | tlb->size = booke_tlb_to_page_size((T1 >> 7) & 0x7); |
2833 | c294fc58 | j_mayer | /* We cannot handle TLB size < TARGET_PAGE_SIZE.
|
2834 | c294fc58 | j_mayer | * If this ever occurs, one should use the ppcemb target instead
|
2835 | c294fc58 | j_mayer | * of the ppc or ppc64 one
|
2836 | c294fc58 | j_mayer | */
|
2837 | c294fc58 | j_mayer | if ((T1 & 0x40) && tlb->size < TARGET_PAGE_SIZE) { |
2838 | 71c8b8fd | j_mayer | cpu_abort(env, "TLB size " TARGET_FMT_lu " < %u " |
2839 | 71c8b8fd | j_mayer | "are not supported (%d)\n",
|
2840 | c294fc58 | j_mayer | tlb->size, TARGET_PAGE_SIZE, (int)((T1 >> 7) & 0x7)); |
2841 | c294fc58 | j_mayer | } |
2842 | a750fc0b | j_mayer | tlb->EPN = T1 & ~(tlb->size - 1);
|
2843 | c55e9aef | j_mayer | if (T1 & 0x40) |
2844 | 76a66253 | j_mayer | tlb->prot |= PAGE_VALID; |
2845 | 76a66253 | j_mayer | else
|
2846 | 76a66253 | j_mayer | tlb->prot &= ~PAGE_VALID; |
2847 | c294fc58 | j_mayer | if (T1 & 0x20) { |
2848 | c294fc58 | j_mayer | /* XXX: TO BE FIXED */
|
2849 | c294fc58 | j_mayer | cpu_abort(env, "Little-endian TLB entries are not supported by now\n");
|
2850 | c294fc58 | j_mayer | } |
2851 | c55e9aef | j_mayer | tlb->PID = env->spr[SPR_40x_PID]; /* PID */
|
2852 | a8dea12f | j_mayer | tlb->attr = T1 & 0xFF;
|
2853 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2854 | c294fc58 | j_mayer | if (loglevel != 0) { |
2855 | c294fc58 | j_mayer | fprintf(logfile, "%s: set up TLB %d RPN " PADDRX " EPN " ADDRX |
2856 | c55e9aef | j_mayer | " size " ADDRX " prot %c%c%c%c PID %d\n", __func__, |
2857 | 5fafdf24 | ths | (int)T0, tlb->RPN, tlb->EPN, tlb->size,
|
2858 | c55e9aef | j_mayer | tlb->prot & PAGE_READ ? 'r' : '-', |
2859 | c55e9aef | j_mayer | tlb->prot & PAGE_WRITE ? 'w' : '-', |
2860 | c55e9aef | j_mayer | tlb->prot & PAGE_EXEC ? 'x' : '-', |
2861 | c55e9aef | j_mayer | tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID); |
2862 | c55e9aef | j_mayer | } |
2863 | c55e9aef | j_mayer | #endif
|
2864 | 76a66253 | j_mayer | /* Invalidate new TLB (if valid) */
|
2865 | 76a66253 | j_mayer | if (tlb->prot & PAGE_VALID) {
|
2866 | 76a66253 | j_mayer | end = tlb->EPN + tlb->size; |
2867 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2868 | 6b80055d | j_mayer | if (loglevel != 0) { |
2869 | c55e9aef | j_mayer | fprintf(logfile, "%s: invalidate TLB %d start " ADDRX
|
2870 | c55e9aef | j_mayer | " end " ADDRX "\n", __func__, (int)T0, tlb->EPN, end); |
2871 | c55e9aef | j_mayer | } |
2872 | c55e9aef | j_mayer | #endif
|
2873 | 76a66253 | j_mayer | for (page = tlb->EPN; page < end; page += TARGET_PAGE_SIZE)
|
2874 | 76a66253 | j_mayer | tlb_flush_page(env, page); |
2875 | 76a66253 | j_mayer | } |
2876 | 76a66253 | j_mayer | } |
2877 | 76a66253 | j_mayer | |
2878 | c55e9aef | j_mayer | void do_4xx_tlbwe_lo (void) |
2879 | 76a66253 | j_mayer | { |
2880 | a8dea12f | j_mayer | ppcemb_tlb_t *tlb; |
2881 | 76a66253 | j_mayer | |
2882 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2883 | 6b80055d | j_mayer | if (loglevel != 0) { |
2884 | 6b542af7 | j_mayer | fprintf(logfile, "%s T0 " TDX " T1 " TDX "\n", __func__, T0, T1); |
2885 | c55e9aef | j_mayer | } |
2886 | c55e9aef | j_mayer | #endif
|
2887 | 76a66253 | j_mayer | T0 &= 0x3F;
|
2888 | a8dea12f | j_mayer | tlb = &env->tlb[T0].tlbe; |
2889 | 76a66253 | j_mayer | tlb->RPN = T1 & 0xFFFFFC00;
|
2890 | 76a66253 | j_mayer | tlb->prot = PAGE_READ; |
2891 | 76a66253 | j_mayer | if (T1 & 0x200) |
2892 | 76a66253 | j_mayer | tlb->prot |= PAGE_EXEC; |
2893 | 76a66253 | j_mayer | if (T1 & 0x100) |
2894 | 76a66253 | j_mayer | tlb->prot |= PAGE_WRITE; |
2895 | c55e9aef | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2896 | 6b80055d | j_mayer | if (loglevel != 0) { |
2897 | 6b80055d | j_mayer | fprintf(logfile, "%s: set up TLB %d RPN " PADDRX " EPN " ADDRX |
2898 | c55e9aef | j_mayer | " size " ADDRX " prot %c%c%c%c PID %d\n", __func__, |
2899 | 5fafdf24 | ths | (int)T0, tlb->RPN, tlb->EPN, tlb->size,
|
2900 | c55e9aef | j_mayer | tlb->prot & PAGE_READ ? 'r' : '-', |
2901 | c55e9aef | j_mayer | tlb->prot & PAGE_WRITE ? 'w' : '-', |
2902 | c55e9aef | j_mayer | tlb->prot & PAGE_EXEC ? 'x' : '-', |
2903 | c55e9aef | j_mayer | tlb->prot & PAGE_VALID ? 'v' : '-', (int)tlb->PID); |
2904 | c55e9aef | j_mayer | } |
2905 | c55e9aef | j_mayer | #endif
|
2906 | 76a66253 | j_mayer | } |
2907 | 5eb7995e | j_mayer | |
2908 | a4bb6c3e | j_mayer | /* PowerPC 440 TLB management */
|
2909 | a4bb6c3e | j_mayer | void do_440_tlbwe (int word) |
2910 | 5eb7995e | j_mayer | { |
2911 | 5eb7995e | j_mayer | ppcemb_tlb_t *tlb; |
2912 | a4bb6c3e | j_mayer | target_ulong EPN, RPN, size; |
2913 | 5eb7995e | j_mayer | int do_flush_tlbs;
|
2914 | 5eb7995e | j_mayer | |
2915 | 5eb7995e | j_mayer | #if defined (DEBUG_SOFTWARE_TLB)
|
2916 | 5eb7995e | j_mayer | if (loglevel != 0) { |
2917 | 6b542af7 | j_mayer | fprintf(logfile, "%s word %d T0 " TDX " T1 " TDX "\n", |
2918 | 69facb78 | j_mayer | __func__, word, T0, T1); |
2919 | 5eb7995e | j_mayer | } |
2920 | 5eb7995e | j_mayer | #endif
|
2921 | 5eb7995e | j_mayer | do_flush_tlbs = 0;
|
2922 | 5eb7995e | j_mayer | T0 &= 0x3F;
|
2923 | 5eb7995e | j_mayer | tlb = &env->tlb[T0].tlbe; |
2924 | a4bb6c3e | j_mayer | switch (word) {
|
2925 | a4bb6c3e | j_mayer | default:
|
2926 | a4bb6c3e | j_mayer | /* Just here to please gcc */
|
2927 | a4bb6c3e | j_mayer | case 0: |
2928 | a4bb6c3e | j_mayer | EPN = T1 & 0xFFFFFC00;
|
2929 | a4bb6c3e | j_mayer | if ((tlb->prot & PAGE_VALID) && EPN != tlb->EPN)
|
2930 | 5eb7995e | j_mayer | do_flush_tlbs = 1;
|
2931 | a4bb6c3e | j_mayer | tlb->EPN = EPN; |
2932 | a4bb6c3e | j_mayer | size = booke_tlb_to_page_size((T1 >> 4) & 0xF); |
2933 | a4bb6c3e | j_mayer | if ((tlb->prot & PAGE_VALID) && tlb->size < size)
|
2934 | a4bb6c3e | j_mayer | do_flush_tlbs = 1;
|
2935 | a4bb6c3e | j_mayer | tlb->size = size; |
2936 | a4bb6c3e | j_mayer | tlb->attr &= ~0x1;
|
2937 | a4bb6c3e | j_mayer | tlb->attr |= (T1 >> 8) & 1; |
2938 | a4bb6c3e | j_mayer | if (T1 & 0x200) { |
2939 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_VALID; |
2940 | a4bb6c3e | j_mayer | } else {
|
2941 | a4bb6c3e | j_mayer | if (tlb->prot & PAGE_VALID) {
|
2942 | a4bb6c3e | j_mayer | tlb->prot &= ~PAGE_VALID; |
2943 | a4bb6c3e | j_mayer | do_flush_tlbs = 1;
|
2944 | a4bb6c3e | j_mayer | } |
2945 | 5eb7995e | j_mayer | } |
2946 | a4bb6c3e | j_mayer | tlb->PID = env->spr[SPR_440_MMUCR] & 0x000000FF;
|
2947 | a4bb6c3e | j_mayer | if (do_flush_tlbs)
|
2948 | a4bb6c3e | j_mayer | tlb_flush(env, 1);
|
2949 | a4bb6c3e | j_mayer | break;
|
2950 | a4bb6c3e | j_mayer | case 1: |
2951 | a4bb6c3e | j_mayer | RPN = T1 & 0xFFFFFC0F;
|
2952 | a4bb6c3e | j_mayer | if ((tlb->prot & PAGE_VALID) && tlb->RPN != RPN)
|
2953 | a4bb6c3e | j_mayer | tlb_flush(env, 1);
|
2954 | a4bb6c3e | j_mayer | tlb->RPN = RPN; |
2955 | a4bb6c3e | j_mayer | break;
|
2956 | a4bb6c3e | j_mayer | case 2: |
2957 | a4bb6c3e | j_mayer | tlb->attr = (tlb->attr & 0x1) | (T1 & 0x0000FF00); |
2958 | a4bb6c3e | j_mayer | tlb->prot = tlb->prot & PAGE_VALID; |
2959 | a4bb6c3e | j_mayer | if (T1 & 0x1) |
2960 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_READ << 4;
|
2961 | a4bb6c3e | j_mayer | if (T1 & 0x2) |
2962 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_WRITE << 4;
|
2963 | a4bb6c3e | j_mayer | if (T1 & 0x4) |
2964 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_EXEC << 4;
|
2965 | a4bb6c3e | j_mayer | if (T1 & 0x8) |
2966 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_READ; |
2967 | a4bb6c3e | j_mayer | if (T1 & 0x10) |
2968 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_WRITE; |
2969 | a4bb6c3e | j_mayer | if (T1 & 0x20) |
2970 | a4bb6c3e | j_mayer | tlb->prot |= PAGE_EXEC; |
2971 | a4bb6c3e | j_mayer | break;
|
2972 | 5eb7995e | j_mayer | } |
2973 | 5eb7995e | j_mayer | } |
2974 | 5eb7995e | j_mayer | |
2975 | a4bb6c3e | j_mayer | void do_440_tlbre (int word) |
2976 | 5eb7995e | j_mayer | { |
2977 | 5eb7995e | j_mayer | ppcemb_tlb_t *tlb; |
2978 | 5eb7995e | j_mayer | int size;
|
2979 | 5eb7995e | j_mayer | |
2980 | 5eb7995e | j_mayer | T0 &= 0x3F;
|
2981 | 5eb7995e | j_mayer | tlb = &env->tlb[T0].tlbe; |
2982 | a4bb6c3e | j_mayer | switch (word) {
|
2983 | a4bb6c3e | j_mayer | default:
|
2984 | a4bb6c3e | j_mayer | /* Just here to please gcc */
|
2985 | a4bb6c3e | j_mayer | case 0: |
2986 | a4bb6c3e | j_mayer | T0 = tlb->EPN; |
2987 | a4bb6c3e | j_mayer | size = booke_page_size_to_tlb(tlb->size); |
2988 | a4bb6c3e | j_mayer | if (size < 0 || size > 0xF) |
2989 | a4bb6c3e | j_mayer | size = 1;
|
2990 | a4bb6c3e | j_mayer | T0 |= size << 4;
|
2991 | a4bb6c3e | j_mayer | if (tlb->attr & 0x1) |
2992 | a4bb6c3e | j_mayer | T0 |= 0x100;
|
2993 | a4bb6c3e | j_mayer | if (tlb->prot & PAGE_VALID)
|
2994 | a4bb6c3e | j_mayer | T0 |= 0x200;
|
2995 | a4bb6c3e | j_mayer | env->spr[SPR_440_MMUCR] &= ~0x000000FF;
|
2996 | a4bb6c3e | j_mayer | env->spr[SPR_440_MMUCR] |= tlb->PID; |
2997 | a4bb6c3e | j_mayer | break;
|
2998 | a4bb6c3e | j_mayer | case 1: |
2999 | a4bb6c3e | j_mayer | T0 = tlb->RPN; |
3000 | a4bb6c3e | j_mayer | break;
|
3001 | a4bb6c3e | j_mayer | case 2: |
3002 | a4bb6c3e | j_mayer | T0 = tlb->attr & ~0x1;
|
3003 | a4bb6c3e | j_mayer | if (tlb->prot & (PAGE_READ << 4)) |
3004 | a4bb6c3e | j_mayer | T0 |= 0x1;
|
3005 | a4bb6c3e | j_mayer | if (tlb->prot & (PAGE_WRITE << 4)) |
3006 | a4bb6c3e | j_mayer | T0 |= 0x2;
|
3007 | a4bb6c3e | j_mayer | if (tlb->prot & (PAGE_EXEC << 4)) |
3008 | a4bb6c3e | j_mayer | T0 |= 0x4;
|
3009 | a4bb6c3e | j_mayer | if (tlb->prot & PAGE_READ)
|
3010 | a4bb6c3e | j_mayer | T0 |= 0x8;
|
3011 | a4bb6c3e | j_mayer | if (tlb->prot & PAGE_WRITE)
|
3012 | a4bb6c3e | j_mayer | T0 |= 0x10;
|
3013 | a4bb6c3e | j_mayer | if (tlb->prot & PAGE_EXEC)
|
3014 | a4bb6c3e | j_mayer | T0 |= 0x20;
|
3015 | a4bb6c3e | j_mayer | break;
|
3016 | a4bb6c3e | j_mayer | } |
3017 | 5eb7995e | j_mayer | } |
3018 | 76a66253 | j_mayer | #endif /* !CONFIG_USER_ONLY */ |