root / target-alpha / helper.c @ 72cf2d4f
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1 | 4c9649a9 | j_mayer | /*
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2 | 4c9649a9 | j_mayer | * Alpha emulation cpu helpers for qemu.
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3 | 5fafdf24 | ths | *
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4 | 4c9649a9 | j_mayer | * Copyright (c) 2007 Jocelyn Mayer
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5 | 4c9649a9 | j_mayer | *
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6 | 4c9649a9 | j_mayer | * This library is free software; you can redistribute it and/or
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7 | 4c9649a9 | j_mayer | * modify it under the terms of the GNU Lesser General Public
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8 | 4c9649a9 | j_mayer | * License as published by the Free Software Foundation; either
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9 | 4c9649a9 | j_mayer | * version 2 of the License, or (at your option) any later version.
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10 | 4c9649a9 | j_mayer | *
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11 | 4c9649a9 | j_mayer | * This library is distributed in the hope that it will be useful,
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12 | 4c9649a9 | j_mayer | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 4c9649a9 | j_mayer | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 4c9649a9 | j_mayer | * Lesser General Public License for more details.
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15 | 4c9649a9 | j_mayer | *
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16 | 4c9649a9 | j_mayer | * You should have received a copy of the GNU Lesser General Public
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17 | 8167ee88 | Blue Swirl | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 | 4c9649a9 | j_mayer | */
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19 | 4c9649a9 | j_mayer | |
20 | 4c9649a9 | j_mayer | #include <stdint.h> |
21 | 4c9649a9 | j_mayer | #include <stdlib.h> |
22 | 4c9649a9 | j_mayer | #include <stdio.h> |
23 | 4c9649a9 | j_mayer | |
24 | 4c9649a9 | j_mayer | #include "cpu.h" |
25 | 4c9649a9 | j_mayer | #include "exec-all.h" |
26 | 4c9649a9 | j_mayer | |
27 | 5fafdf24 | ths | #if defined(CONFIG_USER_ONLY)
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28 | 4c9649a9 | j_mayer | |
29 | 4c9649a9 | j_mayer | int cpu_alpha_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
30 | 6ebbf390 | j_mayer | int mmu_idx, int is_softmmu) |
31 | 4c9649a9 | j_mayer | { |
32 | 4c9649a9 | j_mayer | if (rw == 2) |
33 | 4c9649a9 | j_mayer | env->exception_index = EXCP_ITB_MISS; |
34 | 4c9649a9 | j_mayer | else
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35 | 4c9649a9 | j_mayer | env->exception_index = EXCP_DFAULT; |
36 | 4c9649a9 | j_mayer | env->ipr[IPR_EXC_ADDR] = address; |
37 | 3b46e624 | ths | |
38 | 4c9649a9 | j_mayer | return 1; |
39 | 4c9649a9 | j_mayer | } |
40 | 4c9649a9 | j_mayer | |
41 | 9b3c35e0 | j_mayer | target_phys_addr_t cpu_get_phys_page_debug (CPUState *env, target_ulong addr) |
42 | 4c9649a9 | j_mayer | { |
43 | 4c9649a9 | j_mayer | return addr;
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44 | 4c9649a9 | j_mayer | } |
45 | 4c9649a9 | j_mayer | |
46 | 4c9649a9 | j_mayer | void do_interrupt (CPUState *env)
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47 | 4c9649a9 | j_mayer | { |
48 | 4c9649a9 | j_mayer | env->exception_index = -1;
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49 | 4c9649a9 | j_mayer | } |
50 | 4c9649a9 | j_mayer | |
51 | 4c9649a9 | j_mayer | #else
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52 | 4c9649a9 | j_mayer | |
53 | 9b3c35e0 | j_mayer | target_phys_addr_t cpu_get_phys_page_debug (CPUState *env, target_ulong addr) |
54 | 4c9649a9 | j_mayer | { |
55 | 4c9649a9 | j_mayer | return -1; |
56 | 4c9649a9 | j_mayer | } |
57 | 4c9649a9 | j_mayer | |
58 | 4c9649a9 | j_mayer | int cpu_alpha_handle_mmu_fault (CPUState *env, target_ulong address, int rw, |
59 | 6ebbf390 | j_mayer | int mmu_idx, int is_softmmu) |
60 | 4c9649a9 | j_mayer | { |
61 | 4c9649a9 | j_mayer | uint32_t opc; |
62 | 4c9649a9 | j_mayer | |
63 | 4c9649a9 | j_mayer | if (rw == 2) { |
64 | 4c9649a9 | j_mayer | /* Instruction translation buffer miss */
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65 | 4c9649a9 | j_mayer | env->exception_index = EXCP_ITB_MISS; |
66 | 4c9649a9 | j_mayer | } else {
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67 | 4c9649a9 | j_mayer | if (env->ipr[IPR_EXC_ADDR] & 1) |
68 | 4c9649a9 | j_mayer | env->exception_index = EXCP_DTB_MISS_PAL; |
69 | 4c9649a9 | j_mayer | else
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70 | 4c9649a9 | j_mayer | env->exception_index = EXCP_DTB_MISS_NATIVE; |
71 | 4c9649a9 | j_mayer | opc = (ldl_code(env->pc) >> 21) << 4; |
72 | 4c9649a9 | j_mayer | if (rw) {
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73 | 4c9649a9 | j_mayer | opc |= 0x9;
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74 | 4c9649a9 | j_mayer | } else {
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75 | 4c9649a9 | j_mayer | opc |= 0x4;
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76 | 4c9649a9 | j_mayer | } |
77 | 4c9649a9 | j_mayer | env->ipr[IPR_MM_STAT] = opc; |
78 | 4c9649a9 | j_mayer | } |
79 | 4c9649a9 | j_mayer | |
80 | 4c9649a9 | j_mayer | return 1; |
81 | 4c9649a9 | j_mayer | } |
82 | 4c9649a9 | j_mayer | |
83 | 4c9649a9 | j_mayer | int cpu_alpha_mfpr (CPUState *env, int iprn, uint64_t *valp) |
84 | 4c9649a9 | j_mayer | { |
85 | 4c9649a9 | j_mayer | uint64_t hwpcb; |
86 | 4c9649a9 | j_mayer | int ret = 0; |
87 | 4c9649a9 | j_mayer | |
88 | 4c9649a9 | j_mayer | hwpcb = env->ipr[IPR_PCBB]; |
89 | 4c9649a9 | j_mayer | switch (iprn) {
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90 | 4c9649a9 | j_mayer | case IPR_ASN:
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91 | 4c9649a9 | j_mayer | if (env->features & FEATURE_ASN)
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92 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_ASN]; |
93 | 4c9649a9 | j_mayer | else
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94 | 4c9649a9 | j_mayer | *valp = 0;
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95 | 4c9649a9 | j_mayer | break;
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96 | 4c9649a9 | j_mayer | case IPR_ASTEN:
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97 | 4c9649a9 | j_mayer | *valp = ((int64_t)(env->ipr[IPR_ASTEN] << 60)) >> 60; |
98 | 4c9649a9 | j_mayer | break;
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99 | 4c9649a9 | j_mayer | case IPR_ASTSR:
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100 | 4c9649a9 | j_mayer | *valp = ((int64_t)(env->ipr[IPR_ASTSR] << 60)) >> 60; |
101 | 4c9649a9 | j_mayer | break;
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102 | 4c9649a9 | j_mayer | case IPR_DATFX:
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103 | 4c9649a9 | j_mayer | /* Write only */
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104 | 4c9649a9 | j_mayer | ret = -1;
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105 | 4c9649a9 | j_mayer | break;
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106 | 4c9649a9 | j_mayer | case IPR_ESP:
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107 | 4c9649a9 | j_mayer | if (env->features & FEATURE_SPS)
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108 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_ESP]; |
109 | 4c9649a9 | j_mayer | else
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110 | 4c9649a9 | j_mayer | *valp = ldq_raw(hwpcb + 8);
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111 | 4c9649a9 | j_mayer | break;
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112 | 4c9649a9 | j_mayer | case IPR_FEN:
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113 | 4c9649a9 | j_mayer | *valp = ((int64_t)(env->ipr[IPR_FEN] << 63)) >> 63; |
114 | 4c9649a9 | j_mayer | break;
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115 | 4c9649a9 | j_mayer | case IPR_IPIR:
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116 | 4c9649a9 | j_mayer | /* Write-only */
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117 | 4c9649a9 | j_mayer | ret = -1;
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118 | 4c9649a9 | j_mayer | break;
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119 | 4c9649a9 | j_mayer | case IPR_IPL:
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120 | 4c9649a9 | j_mayer | *valp = ((int64_t)(env->ipr[IPR_IPL] << 59)) >> 59; |
121 | 4c9649a9 | j_mayer | break;
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122 | 4c9649a9 | j_mayer | case IPR_KSP:
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123 | 4c9649a9 | j_mayer | if (!(env->ipr[IPR_EXC_ADDR] & 1)) { |
124 | 4c9649a9 | j_mayer | ret = -1;
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125 | 4c9649a9 | j_mayer | } else {
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126 | 4c9649a9 | j_mayer | if (env->features & FEATURE_SPS)
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127 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_KSP]; |
128 | 4c9649a9 | j_mayer | else
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129 | 4c9649a9 | j_mayer | *valp = ldq_raw(hwpcb + 0);
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130 | 4c9649a9 | j_mayer | } |
131 | 4c9649a9 | j_mayer | break;
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132 | 4c9649a9 | j_mayer | case IPR_MCES:
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133 | 4c9649a9 | j_mayer | *valp = ((int64_t)(env->ipr[IPR_MCES] << 59)) >> 59; |
134 | 4c9649a9 | j_mayer | break;
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135 | 4c9649a9 | j_mayer | case IPR_PERFMON:
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136 | 4c9649a9 | j_mayer | /* Implementation specific */
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137 | 4c9649a9 | j_mayer | *valp = 0;
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138 | 4c9649a9 | j_mayer | break;
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139 | 4c9649a9 | j_mayer | case IPR_PCBB:
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140 | 4c9649a9 | j_mayer | *valp = ((int64_t)env->ipr[IPR_PCBB] << 16) >> 16; |
141 | 4c9649a9 | j_mayer | break;
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142 | 4c9649a9 | j_mayer | case IPR_PRBR:
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143 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_PRBR]; |
144 | 4c9649a9 | j_mayer | break;
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145 | 4c9649a9 | j_mayer | case IPR_PTBR:
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146 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_PTBR]; |
147 | 4c9649a9 | j_mayer | break;
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148 | 4c9649a9 | j_mayer | case IPR_SCBB:
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149 | 4c9649a9 | j_mayer | *valp = (int64_t)((int32_t)env->ipr[IPR_SCBB]); |
150 | 4c9649a9 | j_mayer | break;
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151 | 4c9649a9 | j_mayer | case IPR_SIRR:
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152 | 4c9649a9 | j_mayer | /* Write-only */
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153 | 4c9649a9 | j_mayer | ret = -1;
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154 | 4c9649a9 | j_mayer | break;
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155 | 4c9649a9 | j_mayer | case IPR_SISR:
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156 | 4c9649a9 | j_mayer | *valp = (int64_t)((int16_t)env->ipr[IPR_SISR]); |
157 | 4c9649a9 | j_mayer | case IPR_SSP:
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158 | 4c9649a9 | j_mayer | if (env->features & FEATURE_SPS)
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159 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_SSP]; |
160 | 4c9649a9 | j_mayer | else
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161 | 4c9649a9 | j_mayer | *valp = ldq_raw(hwpcb + 16);
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162 | 4c9649a9 | j_mayer | break;
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163 | 4c9649a9 | j_mayer | case IPR_SYSPTBR:
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164 | 4c9649a9 | j_mayer | if (env->features & FEATURE_VIRBND)
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165 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_SYSPTBR]; |
166 | 4c9649a9 | j_mayer | else
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167 | 4c9649a9 | j_mayer | ret = -1;
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168 | 4c9649a9 | j_mayer | break;
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169 | 4c9649a9 | j_mayer | case IPR_TBCHK:
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170 | 4c9649a9 | j_mayer | if ((env->features & FEATURE_TBCHK)) {
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171 | 4c9649a9 | j_mayer | /* XXX: TODO */
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172 | 4c9649a9 | j_mayer | *valp = 0;
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173 | 4c9649a9 | j_mayer | ret = -1;
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174 | 4c9649a9 | j_mayer | } else {
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175 | 4c9649a9 | j_mayer | ret = -1;
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176 | 4c9649a9 | j_mayer | } |
177 | 4c9649a9 | j_mayer | break;
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178 | 4c9649a9 | j_mayer | case IPR_TBIA:
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179 | 4c9649a9 | j_mayer | /* Write-only */
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180 | 4c9649a9 | j_mayer | ret = -1;
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181 | 4c9649a9 | j_mayer | break;
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182 | 4c9649a9 | j_mayer | case IPR_TBIAP:
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183 | 4c9649a9 | j_mayer | /* Write-only */
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184 | 4c9649a9 | j_mayer | ret = -1;
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185 | 4c9649a9 | j_mayer | break;
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186 | 4c9649a9 | j_mayer | case IPR_TBIS:
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187 | 4c9649a9 | j_mayer | /* Write-only */
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188 | 4c9649a9 | j_mayer | ret = -1;
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189 | 4c9649a9 | j_mayer | break;
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190 | 4c9649a9 | j_mayer | case IPR_TBISD:
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191 | 4c9649a9 | j_mayer | /* Write-only */
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192 | 4c9649a9 | j_mayer | ret = -1;
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193 | 4c9649a9 | j_mayer | break;
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194 | 4c9649a9 | j_mayer | case IPR_TBISI:
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195 | 4c9649a9 | j_mayer | /* Write-only */
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196 | 4c9649a9 | j_mayer | ret = -1;
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197 | 4c9649a9 | j_mayer | break;
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198 | 4c9649a9 | j_mayer | case IPR_USP:
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199 | 4c9649a9 | j_mayer | if (env->features & FEATURE_SPS)
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200 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_USP]; |
201 | 4c9649a9 | j_mayer | else
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202 | 4c9649a9 | j_mayer | *valp = ldq_raw(hwpcb + 24);
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203 | 4c9649a9 | j_mayer | break;
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204 | 4c9649a9 | j_mayer | case IPR_VIRBND:
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205 | 4c9649a9 | j_mayer | if (env->features & FEATURE_VIRBND)
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206 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_VIRBND]; |
207 | 4c9649a9 | j_mayer | else
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208 | 4c9649a9 | j_mayer | ret = -1;
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209 | 4c9649a9 | j_mayer | break;
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210 | 4c9649a9 | j_mayer | case IPR_VPTB:
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211 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_VPTB]; |
212 | 4c9649a9 | j_mayer | break;
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213 | 4c9649a9 | j_mayer | case IPR_WHAMI:
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214 | 4c9649a9 | j_mayer | *valp = env->ipr[IPR_WHAMI]; |
215 | 4c9649a9 | j_mayer | break;
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216 | 4c9649a9 | j_mayer | default:
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217 | 4c9649a9 | j_mayer | /* Invalid */
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218 | 4c9649a9 | j_mayer | ret = -1;
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219 | 4c9649a9 | j_mayer | break;
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220 | 4c9649a9 | j_mayer | } |
221 | 4c9649a9 | j_mayer | |
222 | 4c9649a9 | j_mayer | return ret;
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223 | 4c9649a9 | j_mayer | } |
224 | 4c9649a9 | j_mayer | |
225 | 4c9649a9 | j_mayer | int cpu_alpha_mtpr (CPUState *env, int iprn, uint64_t val, uint64_t *oldvalp) |
226 | 4c9649a9 | j_mayer | { |
227 | 4c9649a9 | j_mayer | uint64_t hwpcb, tmp64; |
228 | 4c9649a9 | j_mayer | uint8_t tmp8; |
229 | 4c9649a9 | j_mayer | int ret = 0; |
230 | 4c9649a9 | j_mayer | |
231 | 4c9649a9 | j_mayer | hwpcb = env->ipr[IPR_PCBB]; |
232 | 4c9649a9 | j_mayer | switch (iprn) {
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233 | 4c9649a9 | j_mayer | case IPR_ASN:
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234 | 4c9649a9 | j_mayer | /* Read-only */
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235 | 4c9649a9 | j_mayer | ret = -1;
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236 | 4c9649a9 | j_mayer | break;
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237 | 4c9649a9 | j_mayer | case IPR_ASTEN:
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238 | 4c9649a9 | j_mayer | tmp8 = ((int8_t)(env->ipr[IPR_ASTEN] << 4)) >> 4; |
239 | 4c9649a9 | j_mayer | *oldvalp = tmp8; |
240 | 4c9649a9 | j_mayer | tmp8 &= val & 0xF;
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241 | 4c9649a9 | j_mayer | tmp8 |= (val >> 4) & 0xF; |
242 | 4c9649a9 | j_mayer | env->ipr[IPR_ASTEN] &= ~0xF;
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243 | 4c9649a9 | j_mayer | env->ipr[IPR_ASTEN] |= tmp8; |
244 | 4c9649a9 | j_mayer | ret = 1;
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245 | 4c9649a9 | j_mayer | break;
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246 | 4c9649a9 | j_mayer | case IPR_ASTSR:
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247 | 4c9649a9 | j_mayer | tmp8 = ((int8_t)(env->ipr[IPR_ASTSR] << 4)) >> 4; |
248 | 4c9649a9 | j_mayer | *oldvalp = tmp8; |
249 | 4c9649a9 | j_mayer | tmp8 &= val & 0xF;
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250 | 4c9649a9 | j_mayer | tmp8 |= (val >> 4) & 0xF; |
251 | 4c9649a9 | j_mayer | env->ipr[IPR_ASTSR] &= ~0xF;
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252 | 4c9649a9 | j_mayer | env->ipr[IPR_ASTSR] |= tmp8; |
253 | 4c9649a9 | j_mayer | ret = 1;
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254 | 4c9649a9 | j_mayer | case IPR_DATFX:
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255 | 4c9649a9 | j_mayer | env->ipr[IPR_DATFX] &= ~0x1;
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256 | 4c9649a9 | j_mayer | env->ipr[IPR_DATFX] |= val & 1;
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257 | 4c9649a9 | j_mayer | tmp64 = ldq_raw(hwpcb + 56);
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258 | 4c9649a9 | j_mayer | tmp64 &= ~0x8000000000000000ULL;
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259 | 4c9649a9 | j_mayer | tmp64 |= (val & 1) << 63; |
260 | 4c9649a9 | j_mayer | stq_raw(hwpcb + 56, tmp64);
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261 | 4c9649a9 | j_mayer | break;
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262 | 4c9649a9 | j_mayer | case IPR_ESP:
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263 | 4c9649a9 | j_mayer | if (env->features & FEATURE_SPS)
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264 | 4c9649a9 | j_mayer | env->ipr[IPR_ESP] = val; |
265 | 4c9649a9 | j_mayer | else
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266 | 4c9649a9 | j_mayer | stq_raw(hwpcb + 8, val);
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267 | 4c9649a9 | j_mayer | break;
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268 | 4c9649a9 | j_mayer | case IPR_FEN:
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269 | 4c9649a9 | j_mayer | env->ipr[IPR_FEN] = val & 1;
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270 | 4c9649a9 | j_mayer | tmp64 = ldq_raw(hwpcb + 56);
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271 | 4c9649a9 | j_mayer | tmp64 &= ~1;
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272 | 4c9649a9 | j_mayer | tmp64 |= val & 1;
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273 | 4c9649a9 | j_mayer | stq_raw(hwpcb + 56, tmp64);
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274 | 4c9649a9 | j_mayer | break;
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275 | 4c9649a9 | j_mayer | case IPR_IPIR:
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276 | 4c9649a9 | j_mayer | /* XXX: TODO: Send IRQ to CPU #ir[16] */
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277 | 4c9649a9 | j_mayer | break;
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278 | 4c9649a9 | j_mayer | case IPR_IPL:
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279 | 4c9649a9 | j_mayer | *oldvalp = ((int64_t)(env->ipr[IPR_IPL] << 59)) >> 59; |
280 | 4c9649a9 | j_mayer | env->ipr[IPR_IPL] &= ~0x1F;
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281 | 4c9649a9 | j_mayer | env->ipr[IPR_IPL] |= val & 0x1F;
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282 | 4c9649a9 | j_mayer | /* XXX: may issue an interrupt or ASR _now_ */
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283 | 4c9649a9 | j_mayer | ret = 1;
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284 | 4c9649a9 | j_mayer | break;
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285 | 4c9649a9 | j_mayer | case IPR_KSP:
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286 | 4c9649a9 | j_mayer | if (!(env->ipr[IPR_EXC_ADDR] & 1)) { |
287 | 4c9649a9 | j_mayer | ret = -1;
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288 | 4c9649a9 | j_mayer | } else {
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289 | 4c9649a9 | j_mayer | if (env->features & FEATURE_SPS)
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290 | 4c9649a9 | j_mayer | env->ipr[IPR_KSP] = val; |
291 | 4c9649a9 | j_mayer | else
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292 | 4c9649a9 | j_mayer | stq_raw(hwpcb + 0, val);
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293 | 4c9649a9 | j_mayer | } |
294 | 4c9649a9 | j_mayer | break;
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295 | 4c9649a9 | j_mayer | case IPR_MCES:
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296 | 4c9649a9 | j_mayer | env->ipr[IPR_MCES] &= ~((val & 0x7) | 0x18); |
297 | 4c9649a9 | j_mayer | env->ipr[IPR_MCES] |= val & 0x18;
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298 | 4c9649a9 | j_mayer | break;
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299 | 4c9649a9 | j_mayer | case IPR_PERFMON:
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300 | 4c9649a9 | j_mayer | /* Implementation specific */
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301 | 4c9649a9 | j_mayer | *oldvalp = 0;
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302 | 4c9649a9 | j_mayer | ret = 1;
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303 | 4c9649a9 | j_mayer | break;
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304 | 4c9649a9 | j_mayer | case IPR_PCBB:
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305 | 4c9649a9 | j_mayer | /* Read-only */
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306 | 4c9649a9 | j_mayer | ret = -1;
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307 | 4c9649a9 | j_mayer | break;
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308 | 4c9649a9 | j_mayer | case IPR_PRBR:
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309 | 4c9649a9 | j_mayer | env->ipr[IPR_PRBR] = val; |
310 | 4c9649a9 | j_mayer | break;
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311 | 4c9649a9 | j_mayer | case IPR_PTBR:
|
312 | 4c9649a9 | j_mayer | /* Read-only */
|
313 | 4c9649a9 | j_mayer | ret = -1;
|
314 | 4c9649a9 | j_mayer | break;
|
315 | 4c9649a9 | j_mayer | case IPR_SCBB:
|
316 | 4c9649a9 | j_mayer | env->ipr[IPR_SCBB] = (uint32_t)val; |
317 | 4c9649a9 | j_mayer | break;
|
318 | 4c9649a9 | j_mayer | case IPR_SIRR:
|
319 | 4c9649a9 | j_mayer | if (val & 0xF) { |
320 | 4c9649a9 | j_mayer | env->ipr[IPR_SISR] |= 1 << (val & 0xF); |
321 | 4c9649a9 | j_mayer | /* XXX: request a software interrupt _now_ */
|
322 | 4c9649a9 | j_mayer | } |
323 | 4c9649a9 | j_mayer | break;
|
324 | 4c9649a9 | j_mayer | case IPR_SISR:
|
325 | 4c9649a9 | j_mayer | /* Read-only */
|
326 | 4c9649a9 | j_mayer | ret = -1;
|
327 | 4c9649a9 | j_mayer | break;
|
328 | 4c9649a9 | j_mayer | case IPR_SSP:
|
329 | 4c9649a9 | j_mayer | if (env->features & FEATURE_SPS)
|
330 | 4c9649a9 | j_mayer | env->ipr[IPR_SSP] = val; |
331 | 4c9649a9 | j_mayer | else
|
332 | 4c9649a9 | j_mayer | stq_raw(hwpcb + 16, val);
|
333 | 4c9649a9 | j_mayer | break;
|
334 | 4c9649a9 | j_mayer | case IPR_SYSPTBR:
|
335 | 4c9649a9 | j_mayer | if (env->features & FEATURE_VIRBND)
|
336 | 4c9649a9 | j_mayer | env->ipr[IPR_SYSPTBR] = val; |
337 | 4c9649a9 | j_mayer | else
|
338 | 4c9649a9 | j_mayer | ret = -1;
|
339 | 4c9649a9 | j_mayer | case IPR_TBCHK:
|
340 | 4c9649a9 | j_mayer | /* Read-only */
|
341 | 4c9649a9 | j_mayer | ret = -1;
|
342 | 4c9649a9 | j_mayer | break;
|
343 | 4c9649a9 | j_mayer | case IPR_TBIA:
|
344 | 4c9649a9 | j_mayer | tlb_flush(env, 1);
|
345 | 4c9649a9 | j_mayer | break;
|
346 | 4c9649a9 | j_mayer | case IPR_TBIAP:
|
347 | 4c9649a9 | j_mayer | tlb_flush(env, 1);
|
348 | 4c9649a9 | j_mayer | break;
|
349 | 4c9649a9 | j_mayer | case IPR_TBIS:
|
350 | 4c9649a9 | j_mayer | tlb_flush_page(env, val); |
351 | 4c9649a9 | j_mayer | break;
|
352 | 4c9649a9 | j_mayer | case IPR_TBISD:
|
353 | 4c9649a9 | j_mayer | tlb_flush_page(env, val); |
354 | 4c9649a9 | j_mayer | break;
|
355 | 4c9649a9 | j_mayer | case IPR_TBISI:
|
356 | 4c9649a9 | j_mayer | tlb_flush_page(env, val); |
357 | 4c9649a9 | j_mayer | break;
|
358 | 4c9649a9 | j_mayer | case IPR_USP:
|
359 | 4c9649a9 | j_mayer | if (env->features & FEATURE_SPS)
|
360 | 4c9649a9 | j_mayer | env->ipr[IPR_USP] = val; |
361 | 4c9649a9 | j_mayer | else
|
362 | 4c9649a9 | j_mayer | stq_raw(hwpcb + 24, val);
|
363 | 4c9649a9 | j_mayer | break;
|
364 | 4c9649a9 | j_mayer | case IPR_VIRBND:
|
365 | 4c9649a9 | j_mayer | if (env->features & FEATURE_VIRBND)
|
366 | 4c9649a9 | j_mayer | env->ipr[IPR_VIRBND] = val; |
367 | 4c9649a9 | j_mayer | else
|
368 | 4c9649a9 | j_mayer | ret = -1;
|
369 | 4c9649a9 | j_mayer | break;
|
370 | 4c9649a9 | j_mayer | case IPR_VPTB:
|
371 | 4c9649a9 | j_mayer | env->ipr[IPR_VPTB] = val; |
372 | 4c9649a9 | j_mayer | break;
|
373 | 4c9649a9 | j_mayer | case IPR_WHAMI:
|
374 | 4c9649a9 | j_mayer | /* Read-only */
|
375 | 4c9649a9 | j_mayer | ret = -1;
|
376 | 4c9649a9 | j_mayer | break;
|
377 | 4c9649a9 | j_mayer | default:
|
378 | 4c9649a9 | j_mayer | /* Invalid */
|
379 | 4c9649a9 | j_mayer | ret = -1;
|
380 | 4c9649a9 | j_mayer | break;
|
381 | 4c9649a9 | j_mayer | } |
382 | 4c9649a9 | j_mayer | |
383 | 4c9649a9 | j_mayer | return ret;
|
384 | 4c9649a9 | j_mayer | } |
385 | 4c9649a9 | j_mayer | |
386 | 4c9649a9 | j_mayer | void do_interrupt (CPUState *env)
|
387 | 4c9649a9 | j_mayer | { |
388 | 4c9649a9 | j_mayer | int excp;
|
389 | 4c9649a9 | j_mayer | |
390 | 4c9649a9 | j_mayer | env->ipr[IPR_EXC_ADDR] = env->pc | 1;
|
391 | 4c9649a9 | j_mayer | excp = env->exception_index; |
392 | 4c9649a9 | j_mayer | env->exception_index = 0;
|
393 | 4c9649a9 | j_mayer | env->error_code = 0;
|
394 | 4c9649a9 | j_mayer | /* XXX: disable interrupts and memory mapping */
|
395 | 4c9649a9 | j_mayer | if (env->ipr[IPR_PAL_BASE] != -1ULL) { |
396 | 4c9649a9 | j_mayer | /* We use native PALcode */
|
397 | 4c9649a9 | j_mayer | env->pc = env->ipr[IPR_PAL_BASE] + excp; |
398 | 4c9649a9 | j_mayer | } else {
|
399 | 4c9649a9 | j_mayer | /* We use emulated PALcode */
|
400 | 4c9649a9 | j_mayer | call_pal(env); |
401 | 4c9649a9 | j_mayer | /* Emulate REI */
|
402 | 4c9649a9 | j_mayer | env->pc = env->ipr[IPR_EXC_ADDR] & ~7;
|
403 | 4c9649a9 | j_mayer | env->ipr[IPR_EXC_ADDR] = env->ipr[IPR_EXC_ADDR] & 1;
|
404 | 4c9649a9 | j_mayer | /* XXX: re-enable interrupts and memory mapping */
|
405 | 4c9649a9 | j_mayer | } |
406 | 4c9649a9 | j_mayer | } |
407 | 4c9649a9 | j_mayer | #endif
|
408 | 4c9649a9 | j_mayer | |
409 | 5fafdf24 | ths | void cpu_dump_state (CPUState *env, FILE *f,
|
410 | 4c9649a9 | j_mayer | int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
411 | 4c9649a9 | j_mayer | int flags)
|
412 | 4c9649a9 | j_mayer | { |
413 | b55266b5 | blueswir1 | static const char *linux_reg_names[] = { |
414 | 4c9649a9 | j_mayer | "v0 ", "t0 ", "t1 ", "t2 ", "t3 ", "t4 ", "t5 ", "t6 ", |
415 | 4c9649a9 | j_mayer | "t7 ", "s0 ", "s1 ", "s2 ", "s3 ", "s4 ", "s5 ", "fp ", |
416 | 4c9649a9 | j_mayer | "a0 ", "a1 ", "a2 ", "a3 ", "a4 ", "a5 ", "t8 ", "t9 ", |
417 | 4c9649a9 | j_mayer | "t10", "t11", "ra ", "t12", "at ", "gp ", "sp ", "zero", |
418 | 4c9649a9 | j_mayer | }; |
419 | 4c9649a9 | j_mayer | int i;
|
420 | 4c9649a9 | j_mayer | |
421 | 4c9649a9 | j_mayer | cpu_fprintf(f, " PC " TARGET_FMT_lx " PS " TARGET_FMT_lx "\n", |
422 | 4c9649a9 | j_mayer | env->pc, env->ps); |
423 | 4c9649a9 | j_mayer | for (i = 0; i < 31; i++) { |
424 | 4c9649a9 | j_mayer | cpu_fprintf(f, "IR%02d %s " TARGET_FMT_lx " ", i, |
425 | 4c9649a9 | j_mayer | linux_reg_names[i], env->ir[i]); |
426 | 4c9649a9 | j_mayer | if ((i % 3) == 2) |
427 | 4c9649a9 | j_mayer | cpu_fprintf(f, "\n");
|
428 | 4c9649a9 | j_mayer | } |
429 | 4c9649a9 | j_mayer | cpu_fprintf(f, "\n");
|
430 | 4c9649a9 | j_mayer | for (i = 0; i < 31; i++) { |
431 | 4c9649a9 | j_mayer | cpu_fprintf(f, "FIR%02d " TARGET_FMT_lx " ", i, |
432 | 4c9649a9 | j_mayer | *((uint64_t *)(&env->fir[i]))); |
433 | 4c9649a9 | j_mayer | if ((i % 3) == 2) |
434 | 4c9649a9 | j_mayer | cpu_fprintf(f, "\n");
|
435 | 4c9649a9 | j_mayer | } |
436 | 57a92c8e | aurel32 | cpu_fprintf(f, "\nlock " TARGET_FMT_lx "\n", env->lock); |
437 | 4c9649a9 | j_mayer | } |