root / hw / alpha_palcode.c @ af93485c
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1 | b82945bc | j_mayer | /*
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2 | b82945bc | j_mayer | * Alpha emulation - PALcode emulation for qemu.
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3 | 5fafdf24 | ths | *
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4 | b82945bc | j_mayer | * Copyright (c) 2007 Jocelyn Mayer
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5 | b82945bc | j_mayer | *
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6 | b82945bc | j_mayer | * This library is free software; you can redistribute it and/or
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7 | b82945bc | j_mayer | * modify it under the terms of the GNU Lesser General Public
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8 | b82945bc | j_mayer | * License as published by the Free Software Foundation; either
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9 | b82945bc | j_mayer | * version 2 of the License, or (at your option) any later version.
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10 | b82945bc | j_mayer | *
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11 | b82945bc | j_mayer | * This library is distributed in the hope that it will be useful,
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12 | b82945bc | j_mayer | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | b82945bc | j_mayer | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | b82945bc | j_mayer | * Lesser General Public License for more details.
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15 | b82945bc | j_mayer | *
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16 | b82945bc | 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 | b82945bc | j_mayer | */
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19 | b82945bc | j_mayer | |
20 | b82945bc | j_mayer | #include <stdint.h> |
21 | b82945bc | j_mayer | #include <stdlib.h> |
22 | b82945bc | j_mayer | #include <stdio.h> |
23 | b82945bc | j_mayer | |
24 | b82945bc | j_mayer | #include "cpu.h" |
25 | b82945bc | j_mayer | #include "exec-all.h" |
26 | b82945bc | j_mayer | |
27 | b82945bc | j_mayer | /* Shared handlers */
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28 | b82945bc | j_mayer | static void pal_reset (CPUState *env); |
29 | b82945bc | j_mayer | /* Console handlers */
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30 | b82945bc | j_mayer | static void pal_console_call (CPUState *env, uint32_t palcode); |
31 | b82945bc | j_mayer | /* OpenVMS handlers */
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32 | b82945bc | j_mayer | static void pal_openvms_call (CPUState *env, uint32_t palcode); |
33 | b82945bc | j_mayer | /* UNIX / Linux handlers */
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34 | b82945bc | j_mayer | static void pal_unix_call (CPUState *env, uint32_t palcode); |
35 | b82945bc | j_mayer | |
36 | b82945bc | j_mayer | pal_handler_t pal_handlers[] = { |
37 | b82945bc | j_mayer | /* Console handler */
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38 | b82945bc | j_mayer | { |
39 | b82945bc | j_mayer | .reset = &pal_reset, |
40 | b82945bc | j_mayer | .call_pal = &pal_console_call, |
41 | b82945bc | j_mayer | }, |
42 | b82945bc | j_mayer | /* OpenVMS handler */
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43 | b82945bc | j_mayer | { |
44 | b82945bc | j_mayer | .reset = &pal_reset, |
45 | b82945bc | j_mayer | .call_pal = &pal_openvms_call, |
46 | b82945bc | j_mayer | }, |
47 | b82945bc | j_mayer | /* UNIX / Linux handler */
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48 | b82945bc | j_mayer | { |
49 | b82945bc | j_mayer | .reset = &pal_reset, |
50 | b82945bc | j_mayer | .call_pal = &pal_unix_call, |
51 | b82945bc | j_mayer | }, |
52 | b82945bc | j_mayer | }; |
53 | b82945bc | j_mayer | |
54 | b82945bc | j_mayer | #if 0
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55 | 1235fc06 | ths | /* One must explicitly check that the TB is valid and the FOE bit is reset */
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56 | 3f47aa8c | blueswir1 | static void update_itb (void)
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57 | b82945bc | j_mayer | {
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58 | b82945bc | j_mayer | /* This writes into a temp register, not the actual one */
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59 | b82945bc | j_mayer | mtpr(TB_TAG);
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60 | b82945bc | j_mayer | mtpr(TB_CTL);
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61 | b82945bc | j_mayer | /* This commits the TB update */
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62 | 5fafdf24 | ths | mtpr(ITB_PTE);
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63 | b82945bc | j_mayer | }
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64 | b82945bc | j_mayer | |
65 | 3f47aa8c | blueswir1 | static void update_dtb (void);
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66 | b82945bc | j_mayer | {
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67 | b82945bc | j_mayer | mtpr(TB_CTL);
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68 | b82945bc | j_mayer | /* This write into a temp register, not the actual one */
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69 | b82945bc | j_mayer | mtpr(TB_TAG);
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70 | b82945bc | j_mayer | /* This commits the TB update */
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71 | b82945bc | j_mayer | mtpr(DTB_PTE);
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72 | b82945bc | j_mayer | }
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73 | b82945bc | j_mayer | #endif
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74 | b82945bc | j_mayer | |
75 | b82945bc | j_mayer | static void pal_reset (CPUState *env) |
76 | b82945bc | j_mayer | { |
77 | b82945bc | j_mayer | } |
78 | b82945bc | j_mayer | |
79 | b82945bc | j_mayer | static void do_swappal (CPUState *env, uint64_t palid) |
80 | b82945bc | j_mayer | { |
81 | b82945bc | j_mayer | pal_handler_t *pal_handler; |
82 | b82945bc | j_mayer | |
83 | b82945bc | j_mayer | switch (palid) {
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84 | b82945bc | j_mayer | case 0 ... 2: |
85 | b82945bc | j_mayer | pal_handler = &pal_handlers[palid]; |
86 | b82945bc | j_mayer | env->pal_handler = pal_handler; |
87 | b82945bc | j_mayer | env->ipr[IPR_PAL_BASE] = -1ULL;
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88 | b82945bc | j_mayer | (*pal_handler->reset)(env); |
89 | b82945bc | j_mayer | break;
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90 | b82945bc | j_mayer | case 3 ... 255: |
91 | b82945bc | j_mayer | /* Unknown identifier */
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92 | b82945bc | j_mayer | env->ir[0] = 1; |
93 | b82945bc | j_mayer | return;
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94 | b82945bc | j_mayer | default:
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95 | b82945bc | j_mayer | /* We were given the entry point address */
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96 | b82945bc | j_mayer | env->pal_handler = NULL;
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97 | b82945bc | j_mayer | env->ipr[IPR_PAL_BASE] = palid; |
98 | b82945bc | j_mayer | env->pc = env->ipr[IPR_PAL_BASE]; |
99 | b82945bc | j_mayer | cpu_loop_exit(); |
100 | b82945bc | j_mayer | } |
101 | b82945bc | j_mayer | } |
102 | b82945bc | j_mayer | |
103 | b82945bc | j_mayer | static void pal_console_call (CPUState *env, uint32_t palcode) |
104 | b82945bc | j_mayer | { |
105 | b82945bc | j_mayer | uint64_t palid; |
106 | b82945bc | j_mayer | |
107 | b82945bc | j_mayer | if (palcode < 0x00000080) { |
108 | b82945bc | j_mayer | /* Privileged palcodes */
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109 | b82945bc | j_mayer | if (!(env->ps >> 3)) { |
110 | b82945bc | j_mayer | /* TODO: generate privilege exception */
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111 | b82945bc | j_mayer | } |
112 | b82945bc | j_mayer | } |
113 | b82945bc | j_mayer | switch (palcode) {
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114 | b82945bc | j_mayer | case 0x00000000: |
115 | b82945bc | j_mayer | /* HALT */
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116 | b82945bc | j_mayer | /* REQUIRED */
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117 | b82945bc | j_mayer | break;
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118 | b82945bc | j_mayer | case 0x00000001: |
119 | b82945bc | j_mayer | /* CFLUSH */
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120 | b82945bc | j_mayer | break;
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121 | b82945bc | j_mayer | case 0x00000002: |
122 | b82945bc | j_mayer | /* DRAINA */
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123 | b82945bc | j_mayer | /* REQUIRED */
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124 | b82945bc | j_mayer | /* Implemented as no-op */
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125 | b82945bc | j_mayer | break;
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126 | b82945bc | j_mayer | case 0x00000009: |
127 | b82945bc | j_mayer | /* CSERVE */
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128 | b82945bc | j_mayer | /* REQUIRED */
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129 | b82945bc | j_mayer | break;
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130 | b82945bc | j_mayer | case 0x0000000A: |
131 | b82945bc | j_mayer | /* SWPPAL */
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132 | b82945bc | j_mayer | /* REQUIRED */
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133 | b82945bc | j_mayer | palid = env->ir[16];
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134 | b82945bc | j_mayer | do_swappal(env, palid); |
135 | b82945bc | j_mayer | break;
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136 | b82945bc | j_mayer | case 0x00000080: |
137 | b82945bc | j_mayer | /* BPT */
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138 | b82945bc | j_mayer | /* REQUIRED */
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139 | b82945bc | j_mayer | break;
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140 | b82945bc | j_mayer | case 0x00000081: |
141 | b82945bc | j_mayer | /* BUGCHK */
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142 | b82945bc | j_mayer | /* REQUIRED */
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143 | b82945bc | j_mayer | break;
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144 | b82945bc | j_mayer | case 0x00000086: |
145 | b82945bc | j_mayer | /* IMB */
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146 | b82945bc | j_mayer | /* REQUIRED */
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147 | b82945bc | j_mayer | /* Implemented as no-op */
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148 | b82945bc | j_mayer | break;
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149 | b82945bc | j_mayer | case 0x0000009E: |
150 | b82945bc | j_mayer | /* RDUNIQUE */
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151 | b82945bc | j_mayer | /* REQUIRED */
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152 | b82945bc | j_mayer | break;
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153 | b82945bc | j_mayer | case 0x0000009F: |
154 | b82945bc | j_mayer | /* WRUNIQUE */
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155 | b82945bc | j_mayer | /* REQUIRED */
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156 | b82945bc | j_mayer | break;
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157 | b82945bc | j_mayer | case 0x000000AA: |
158 | b82945bc | j_mayer | /* GENTRAP */
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159 | b82945bc | j_mayer | /* REQUIRED */
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160 | b82945bc | j_mayer | break;
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161 | b82945bc | j_mayer | default:
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162 | b82945bc | j_mayer | break;
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163 | b82945bc | j_mayer | } |
164 | b82945bc | j_mayer | } |
165 | b82945bc | j_mayer | |
166 | b82945bc | j_mayer | static void pal_openvms_call (CPUState *env, uint32_t palcode) |
167 | b82945bc | j_mayer | { |
168 | b82945bc | j_mayer | uint64_t palid, val, oldval; |
169 | b82945bc | j_mayer | |
170 | b82945bc | j_mayer | if (palcode < 0x00000080) { |
171 | b82945bc | j_mayer | /* Privileged palcodes */
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172 | b82945bc | j_mayer | if (!(env->ps >> 3)) { |
173 | b82945bc | j_mayer | /* TODO: generate privilege exception */
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174 | b82945bc | j_mayer | } |
175 | b82945bc | j_mayer | } |
176 | b82945bc | j_mayer | switch (palcode) {
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177 | b82945bc | j_mayer | case 0x00000000: |
178 | b82945bc | j_mayer | /* HALT */
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179 | b82945bc | j_mayer | /* REQUIRED */
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180 | b82945bc | j_mayer | break;
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181 | b82945bc | j_mayer | case 0x00000001: |
182 | b82945bc | j_mayer | /* CFLUSH */
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183 | b82945bc | j_mayer | break;
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184 | b82945bc | j_mayer | case 0x00000002: |
185 | b82945bc | j_mayer | /* DRAINA */
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186 | b82945bc | j_mayer | /* REQUIRED */
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187 | b82945bc | j_mayer | /* Implemented as no-op */
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188 | b82945bc | j_mayer | break;
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189 | b82945bc | j_mayer | case 0x00000003: |
190 | b82945bc | j_mayer | /* LDQP */
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191 | b82945bc | j_mayer | break;
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192 | b82945bc | j_mayer | case 0x00000004: |
193 | b82945bc | j_mayer | /* STQP */
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194 | b82945bc | j_mayer | break;
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195 | b82945bc | j_mayer | case 0x00000005: |
196 | b82945bc | j_mayer | /* SWPCTX */
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197 | b82945bc | j_mayer | break;
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198 | b82945bc | j_mayer | case 0x00000006: |
199 | b82945bc | j_mayer | /* MFPR_ASN */
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200 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_ASN, &val) == 0) |
201 | b82945bc | j_mayer | env->ir[0] = val;
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202 | b82945bc | j_mayer | break;
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203 | b82945bc | j_mayer | case 0x00000007: |
204 | b82945bc | j_mayer | /* MTPR_ASTEN */
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205 | b82945bc | j_mayer | val = env->ir[16];
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206 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_ASTEN, val, &oldval) == 1) |
207 | b82945bc | j_mayer | env->ir[0] = val;
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208 | b82945bc | j_mayer | break;
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209 | b82945bc | j_mayer | case 0x00000008: |
210 | b82945bc | j_mayer | /* MTPR_ASTSR */
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211 | b82945bc | j_mayer | val = env->ir[16];
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212 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_ASTSR, val, &oldval) == 1) |
213 | b82945bc | j_mayer | env->ir[0] = val;
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214 | b82945bc | j_mayer | break;
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215 | b82945bc | j_mayer | case 0x00000009: |
216 | b82945bc | j_mayer | /* CSERVE */
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217 | b82945bc | j_mayer | /* REQUIRED */
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218 | b82945bc | j_mayer | break;
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219 | b82945bc | j_mayer | case 0x0000000A: |
220 | b82945bc | j_mayer | /* SWPPAL */
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221 | b82945bc | j_mayer | /* REQUIRED */
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222 | b82945bc | j_mayer | palid = env->ir[16];
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223 | b82945bc | j_mayer | do_swappal(env, palid); |
224 | b82945bc | j_mayer | break;
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225 | b82945bc | j_mayer | case 0x0000000B: |
226 | b82945bc | j_mayer | /* MFPR_FEN */
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227 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_FEN, &val) == 0) |
228 | b82945bc | j_mayer | env->ir[0] = val;
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229 | b82945bc | j_mayer | break;
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230 | b82945bc | j_mayer | case 0x0000000C: |
231 | b82945bc | j_mayer | /* MTPR_FEN */
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232 | b82945bc | j_mayer | val = env->ir[16];
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233 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_FEN, val, &oldval) == 1) |
234 | b82945bc | j_mayer | env->ir[0] = val;
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235 | b82945bc | j_mayer | break;
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236 | b82945bc | j_mayer | case 0x0000000D: |
237 | b82945bc | j_mayer | /* MTPR_IPIR */
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238 | b82945bc | j_mayer | val = env->ir[16];
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239 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_IPIR, val, &oldval) == 1) |
240 | b82945bc | j_mayer | env->ir[0] = val;
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241 | b82945bc | j_mayer | break;
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242 | b82945bc | j_mayer | case 0x0000000E: |
243 | b82945bc | j_mayer | /* MFPR_IPL */
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244 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_IPL, &val) == 0) |
245 | b82945bc | j_mayer | env->ir[0] = val;
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246 | b82945bc | j_mayer | break;
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247 | b82945bc | j_mayer | case 0x0000000F: |
248 | b82945bc | j_mayer | /* MTPR_IPL */
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249 | b82945bc | j_mayer | val = env->ir[16];
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250 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_IPL, val, &oldval) == 1) |
251 | b82945bc | j_mayer | env->ir[0] = val;
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252 | b82945bc | j_mayer | break;
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253 | b82945bc | j_mayer | case 0x00000010: |
254 | b82945bc | j_mayer | /* MFPR_MCES */
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255 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_MCES, &val) == 0) |
256 | b82945bc | j_mayer | env->ir[0] = val;
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257 | b82945bc | j_mayer | break;
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258 | b82945bc | j_mayer | case 0x00000011: |
259 | b82945bc | j_mayer | /* MTPR_MCES */
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260 | b82945bc | j_mayer | val = env->ir[16];
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261 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_MCES, val, &oldval) == 1) |
262 | b82945bc | j_mayer | env->ir[0] = val;
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263 | b82945bc | j_mayer | break;
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264 | b82945bc | j_mayer | case 0x00000012: |
265 | b82945bc | j_mayer | /* MFPR_PCBB */
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266 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_PCBB, &val) == 0) |
267 | b82945bc | j_mayer | env->ir[0] = val;
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268 | b82945bc | j_mayer | break;
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269 | b82945bc | j_mayer | case 0x00000013: |
270 | b82945bc | j_mayer | /* MFPR_PRBR */
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271 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_PRBR, &val) == 0) |
272 | b82945bc | j_mayer | env->ir[0] = val;
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273 | b82945bc | j_mayer | break;
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274 | b82945bc | j_mayer | case 0x00000014: |
275 | b82945bc | j_mayer | /* MTPR_PRBR */
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276 | b82945bc | j_mayer | val = env->ir[16];
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277 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_PRBR, val, &oldval) == 1) |
278 | b82945bc | j_mayer | env->ir[0] = val;
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279 | b82945bc | j_mayer | break;
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280 | b82945bc | j_mayer | case 0x00000015: |
281 | b82945bc | j_mayer | /* MFPR_PTBR */
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282 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_PTBR, &val) == 0) |
283 | b82945bc | j_mayer | env->ir[0] = val;
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284 | b82945bc | j_mayer | break;
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285 | b82945bc | j_mayer | case 0x00000016: |
286 | b82945bc | j_mayer | /* MFPR_SCBB */
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287 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_SCBB, &val) == 0) |
288 | b82945bc | j_mayer | env->ir[0] = val;
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289 | b82945bc | j_mayer | break;
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290 | b82945bc | j_mayer | case 0x00000017: |
291 | b82945bc | j_mayer | /* MTPR_SCBB */
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292 | b82945bc | j_mayer | val = env->ir[16];
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293 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_SCBB, val, &oldval) == 1) |
294 | b82945bc | j_mayer | env->ir[0] = val;
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295 | b82945bc | j_mayer | break;
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296 | b82945bc | j_mayer | case 0x00000018: |
297 | b82945bc | j_mayer | /* MTPR_SIRR */
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298 | b82945bc | j_mayer | val = env->ir[16];
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299 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_SIRR, val, &oldval) == 1) |
300 | b82945bc | j_mayer | env->ir[0] = val;
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301 | b82945bc | j_mayer | break;
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302 | b82945bc | j_mayer | case 0x00000019: |
303 | b82945bc | j_mayer | /* MFPR_SISR */
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304 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_SISR, &val) == 0) |
305 | b82945bc | j_mayer | env->ir[0] = val;
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306 | b82945bc | j_mayer | break;
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307 | b82945bc | j_mayer | case 0x0000001A: |
308 | b82945bc | j_mayer | /* MFPR_TBCHK */
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309 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_TBCHK, &val) == 0) |
310 | b82945bc | j_mayer | env->ir[0] = val;
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311 | b82945bc | j_mayer | break;
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312 | b82945bc | j_mayer | case 0x0000001B: |
313 | b82945bc | j_mayer | /* MTPR_TBIA */
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314 | b82945bc | j_mayer | val = env->ir[16];
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315 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBIA, val, &oldval) == 1) |
316 | b82945bc | j_mayer | env->ir[0] = val;
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317 | b82945bc | j_mayer | break;
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318 | b82945bc | j_mayer | case 0x0000001C: |
319 | b82945bc | j_mayer | /* MTPR_TBIAP */
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320 | b82945bc | j_mayer | val = env->ir[16];
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321 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBIAP, val, &oldval) == 1) |
322 | b82945bc | j_mayer | env->ir[0] = val;
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323 | b82945bc | j_mayer | break;
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324 | b82945bc | j_mayer | case 0x0000001D: |
325 | b82945bc | j_mayer | /* MTPR_TBIS */
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326 | b82945bc | j_mayer | val = env->ir[16];
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327 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBIS, val, &oldval) == 1) |
328 | b82945bc | j_mayer | env->ir[0] = val;
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329 | b82945bc | j_mayer | break;
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330 | b82945bc | j_mayer | case 0x0000001E: |
331 | b82945bc | j_mayer | /* MFPR_ESP */
|
332 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_ESP, &val) == 0) |
333 | b82945bc | j_mayer | env->ir[0] = val;
|
334 | b82945bc | j_mayer | break;
|
335 | b82945bc | j_mayer | case 0x0000001F: |
336 | b82945bc | j_mayer | /* MTPR_ESP */
|
337 | b82945bc | j_mayer | val = env->ir[16];
|
338 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_ESP, val, &oldval) == 1) |
339 | b82945bc | j_mayer | env->ir[0] = val;
|
340 | b82945bc | j_mayer | break;
|
341 | b82945bc | j_mayer | case 0x00000020: |
342 | b82945bc | j_mayer | /* MFPR_SSP */
|
343 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_SSP, &val) == 0) |
344 | b82945bc | j_mayer | env->ir[0] = val;
|
345 | b82945bc | j_mayer | break;
|
346 | b82945bc | j_mayer | case 0x00000021: |
347 | b82945bc | j_mayer | /* MTPR_SSP */
|
348 | b82945bc | j_mayer | val = env->ir[16];
|
349 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_SSP, val, &oldval) == 1) |
350 | b82945bc | j_mayer | env->ir[0] = val;
|
351 | b82945bc | j_mayer | break;
|
352 | b82945bc | j_mayer | case 0x00000022: |
353 | b82945bc | j_mayer | /* MFPR_USP */
|
354 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_USP, &val) == 0) |
355 | b82945bc | j_mayer | env->ir[0] = val;
|
356 | b82945bc | j_mayer | break;
|
357 | b82945bc | j_mayer | case 0x00000023: |
358 | b82945bc | j_mayer | /* MTPR_USP */
|
359 | b82945bc | j_mayer | val = env->ir[16];
|
360 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_USP, val, &oldval) == 1) |
361 | b82945bc | j_mayer | env->ir[0] = val;
|
362 | b82945bc | j_mayer | break;
|
363 | b82945bc | j_mayer | case 0x00000024: |
364 | b82945bc | j_mayer | /* MTPR_TBISD */
|
365 | b82945bc | j_mayer | val = env->ir[16];
|
366 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBISD, val, &oldval) == 1) |
367 | b82945bc | j_mayer | env->ir[0] = val;
|
368 | b82945bc | j_mayer | break;
|
369 | b82945bc | j_mayer | case 0x00000025: |
370 | b82945bc | j_mayer | /* MTPR_TBISI */
|
371 | b82945bc | j_mayer | val = env->ir[16];
|
372 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBISI, val, &oldval) == 1) |
373 | b82945bc | j_mayer | env->ir[0] = val;
|
374 | b82945bc | j_mayer | break;
|
375 | b82945bc | j_mayer | case 0x00000026: |
376 | b82945bc | j_mayer | /* MFPR_ASTEN */
|
377 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_ASTEN, &val) == 0) |
378 | b82945bc | j_mayer | env->ir[0] = val;
|
379 | b82945bc | j_mayer | break;
|
380 | b82945bc | j_mayer | case 0x00000027: |
381 | b82945bc | j_mayer | /* MFPR_ASTSR */
|
382 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_ASTSR, &val) == 0) |
383 | b82945bc | j_mayer | env->ir[0] = val;
|
384 | b82945bc | j_mayer | break;
|
385 | b82945bc | j_mayer | case 0x00000029: |
386 | b82945bc | j_mayer | /* MFPR_VPTB */
|
387 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_VPTB, &val) == 0) |
388 | b82945bc | j_mayer | env->ir[0] = val;
|
389 | b82945bc | j_mayer | break;
|
390 | b82945bc | j_mayer | case 0x0000002A: |
391 | b82945bc | j_mayer | /* MTPR_VPTB */
|
392 | b82945bc | j_mayer | val = env->ir[16];
|
393 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_VPTB, val, &oldval) == 1) |
394 | b82945bc | j_mayer | env->ir[0] = val;
|
395 | b82945bc | j_mayer | break;
|
396 | b82945bc | j_mayer | case 0x0000002B: |
397 | b82945bc | j_mayer | /* MTPR_PERFMON */
|
398 | b82945bc | j_mayer | val = env->ir[16];
|
399 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_PERFMON, val, &oldval) == 1) |
400 | b82945bc | j_mayer | env->ir[0] = val;
|
401 | b82945bc | j_mayer | break;
|
402 | b82945bc | j_mayer | case 0x0000002E: |
403 | b82945bc | j_mayer | /* MTPR_DATFX */
|
404 | b82945bc | j_mayer | val = env->ir[16];
|
405 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_DATFX, val, &oldval) == 1) |
406 | b82945bc | j_mayer | env->ir[0] = val;
|
407 | b82945bc | j_mayer | break;
|
408 | b82945bc | j_mayer | case 0x0000003E: |
409 | b82945bc | j_mayer | /* WTINT */
|
410 | b82945bc | j_mayer | break;
|
411 | b82945bc | j_mayer | case 0x0000003F: |
412 | b82945bc | j_mayer | /* MFPR_WHAMI */
|
413 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_WHAMI, &val) == 0) |
414 | b82945bc | j_mayer | env->ir[0] = val;
|
415 | b82945bc | j_mayer | break;
|
416 | b82945bc | j_mayer | case 0x00000080: |
417 | b82945bc | j_mayer | /* BPT */
|
418 | b82945bc | j_mayer | /* REQUIRED */
|
419 | b82945bc | j_mayer | break;
|
420 | b82945bc | j_mayer | case 0x00000081: |
421 | b82945bc | j_mayer | /* BUGCHK */
|
422 | b82945bc | j_mayer | /* REQUIRED */
|
423 | b82945bc | j_mayer | break;
|
424 | b82945bc | j_mayer | case 0x00000082: |
425 | b82945bc | j_mayer | /* CHME */
|
426 | b82945bc | j_mayer | break;
|
427 | b82945bc | j_mayer | case 0x00000083: |
428 | b82945bc | j_mayer | /* CHMK */
|
429 | b82945bc | j_mayer | break;
|
430 | b82945bc | j_mayer | case 0x00000084: |
431 | b82945bc | j_mayer | /* CHMS */
|
432 | b82945bc | j_mayer | break;
|
433 | b82945bc | j_mayer | case 0x00000085: |
434 | b82945bc | j_mayer | /* CHMU */
|
435 | b82945bc | j_mayer | break;
|
436 | b82945bc | j_mayer | case 0x00000086: |
437 | b82945bc | j_mayer | /* IMB */
|
438 | b82945bc | j_mayer | /* REQUIRED */
|
439 | b82945bc | j_mayer | /* Implemented as no-op */
|
440 | b82945bc | j_mayer | break;
|
441 | b82945bc | j_mayer | case 0x00000087: |
442 | b82945bc | j_mayer | /* INSQHIL */
|
443 | b82945bc | j_mayer | break;
|
444 | b82945bc | j_mayer | case 0x00000088: |
445 | b82945bc | j_mayer | /* INSQTIL */
|
446 | b82945bc | j_mayer | break;
|
447 | b82945bc | j_mayer | case 0x00000089: |
448 | b82945bc | j_mayer | /* INSQHIQ */
|
449 | b82945bc | j_mayer | break;
|
450 | b82945bc | j_mayer | case 0x0000008A: |
451 | b82945bc | j_mayer | /* INSQTIQ */
|
452 | b82945bc | j_mayer | break;
|
453 | b82945bc | j_mayer | case 0x0000008B: |
454 | b82945bc | j_mayer | /* INSQUEL */
|
455 | b82945bc | j_mayer | break;
|
456 | b82945bc | j_mayer | case 0x0000008C: |
457 | b82945bc | j_mayer | /* INSQUEQ */
|
458 | b82945bc | j_mayer | break;
|
459 | b82945bc | j_mayer | case 0x0000008D: |
460 | b82945bc | j_mayer | /* INSQUEL/D */
|
461 | b82945bc | j_mayer | break;
|
462 | b82945bc | j_mayer | case 0x0000008E: |
463 | b82945bc | j_mayer | /* INSQUEQ/D */
|
464 | b82945bc | j_mayer | break;
|
465 | b82945bc | j_mayer | case 0x0000008F: |
466 | b82945bc | j_mayer | /* PROBER */
|
467 | b82945bc | j_mayer | break;
|
468 | b82945bc | j_mayer | case 0x00000090: |
469 | b82945bc | j_mayer | /* PROBEW */
|
470 | b82945bc | j_mayer | break;
|
471 | b82945bc | j_mayer | case 0x00000091: |
472 | b82945bc | j_mayer | /* RD_PS */
|
473 | b82945bc | j_mayer | break;
|
474 | b82945bc | j_mayer | case 0x00000092: |
475 | b82945bc | j_mayer | /* REI */
|
476 | b82945bc | j_mayer | break;
|
477 | b82945bc | j_mayer | case 0x00000093: |
478 | b82945bc | j_mayer | /* REMQHIL */
|
479 | b82945bc | j_mayer | break;
|
480 | b82945bc | j_mayer | case 0x00000094: |
481 | b82945bc | j_mayer | /* REMQTIL */
|
482 | b82945bc | j_mayer | break;
|
483 | b82945bc | j_mayer | case 0x00000095: |
484 | b82945bc | j_mayer | /* REMQHIQ */
|
485 | b82945bc | j_mayer | break;
|
486 | b82945bc | j_mayer | case 0x00000096: |
487 | b82945bc | j_mayer | /* REMQTIQ */
|
488 | b82945bc | j_mayer | break;
|
489 | b82945bc | j_mayer | case 0x00000097: |
490 | b82945bc | j_mayer | /* REMQUEL */
|
491 | b82945bc | j_mayer | break;
|
492 | b82945bc | j_mayer | case 0x00000098: |
493 | b82945bc | j_mayer | /* REMQUEQ */
|
494 | b82945bc | j_mayer | break;
|
495 | b82945bc | j_mayer | case 0x00000099: |
496 | b82945bc | j_mayer | /* REMQUEL/D */
|
497 | b82945bc | j_mayer | break;
|
498 | b82945bc | j_mayer | case 0x0000009A: |
499 | b82945bc | j_mayer | /* REMQUEQ/D */
|
500 | b82945bc | j_mayer | break;
|
501 | b82945bc | j_mayer | case 0x0000009B: |
502 | b82945bc | j_mayer | /* SWASTEN */
|
503 | b82945bc | j_mayer | break;
|
504 | b82945bc | j_mayer | case 0x0000009C: |
505 | b82945bc | j_mayer | /* WR_PS_SW */
|
506 | b82945bc | j_mayer | break;
|
507 | b82945bc | j_mayer | case 0x0000009D: |
508 | b82945bc | j_mayer | /* RSCC */
|
509 | b82945bc | j_mayer | break;
|
510 | b82945bc | j_mayer | case 0x0000009E: |
511 | b82945bc | j_mayer | /* READ_UNQ */
|
512 | b82945bc | j_mayer | /* REQUIRED */
|
513 | b82945bc | j_mayer | break;
|
514 | b82945bc | j_mayer | case 0x0000009F: |
515 | b82945bc | j_mayer | /* WRITE_UNQ */
|
516 | b82945bc | j_mayer | /* REQUIRED */
|
517 | b82945bc | j_mayer | break;
|
518 | b82945bc | j_mayer | case 0x000000A0: |
519 | b82945bc | j_mayer | /* AMOVRR */
|
520 | b82945bc | j_mayer | break;
|
521 | b82945bc | j_mayer | case 0x000000A1: |
522 | b82945bc | j_mayer | /* AMOVRM */
|
523 | b82945bc | j_mayer | break;
|
524 | b82945bc | j_mayer | case 0x000000A2: |
525 | b82945bc | j_mayer | /* INSQHILR */
|
526 | b82945bc | j_mayer | break;
|
527 | b82945bc | j_mayer | case 0x000000A3: |
528 | b82945bc | j_mayer | /* INSQTILR */
|
529 | b82945bc | j_mayer | break;
|
530 | b82945bc | j_mayer | case 0x000000A4: |
531 | b82945bc | j_mayer | /* INSQHIQR */
|
532 | b82945bc | j_mayer | break;
|
533 | b82945bc | j_mayer | case 0x000000A5: |
534 | b82945bc | j_mayer | /* INSQTIQR */
|
535 | b82945bc | j_mayer | break;
|
536 | b82945bc | j_mayer | case 0x000000A6: |
537 | b82945bc | j_mayer | /* REMQHILR */
|
538 | b82945bc | j_mayer | break;
|
539 | b82945bc | j_mayer | case 0x000000A7: |
540 | b82945bc | j_mayer | /* REMQTILR */
|
541 | b82945bc | j_mayer | break;
|
542 | b82945bc | j_mayer | case 0x000000A8: |
543 | b82945bc | j_mayer | /* REMQHIQR */
|
544 | b82945bc | j_mayer | break;
|
545 | b82945bc | j_mayer | case 0x000000A9: |
546 | b82945bc | j_mayer | /* REMQTIQR */
|
547 | b82945bc | j_mayer | break;
|
548 | b82945bc | j_mayer | case 0x000000AA: |
549 | b82945bc | j_mayer | /* GENTRAP */
|
550 | b82945bc | j_mayer | /* REQUIRED */
|
551 | b82945bc | j_mayer | break;
|
552 | b82945bc | j_mayer | case 0x000000AE: |
553 | b82945bc | j_mayer | /* CLRFEN */
|
554 | b82945bc | j_mayer | break;
|
555 | b82945bc | j_mayer | default:
|
556 | b82945bc | j_mayer | break;
|
557 | b82945bc | j_mayer | } |
558 | b82945bc | j_mayer | } |
559 | b82945bc | j_mayer | |
560 | b82945bc | j_mayer | static void pal_unix_call (CPUState *env, uint32_t palcode) |
561 | b82945bc | j_mayer | { |
562 | b82945bc | j_mayer | uint64_t palid, val, oldval; |
563 | b82945bc | j_mayer | |
564 | b82945bc | j_mayer | if (palcode < 0x00000080) { |
565 | b82945bc | j_mayer | /* Privileged palcodes */
|
566 | b82945bc | j_mayer | if (!(env->ps >> 3)) { |
567 | b82945bc | j_mayer | /* TODO: generate privilege exception */
|
568 | b82945bc | j_mayer | } |
569 | b82945bc | j_mayer | } |
570 | b82945bc | j_mayer | switch (palcode) {
|
571 | b82945bc | j_mayer | case 0x00000000: |
572 | b82945bc | j_mayer | /* HALT */
|
573 | b82945bc | j_mayer | /* REQUIRED */
|
574 | b82945bc | j_mayer | break;
|
575 | b82945bc | j_mayer | case 0x00000001: |
576 | b82945bc | j_mayer | /* CFLUSH */
|
577 | b82945bc | j_mayer | break;
|
578 | b82945bc | j_mayer | case 0x00000002: |
579 | b82945bc | j_mayer | /* DRAINA */
|
580 | b82945bc | j_mayer | /* REQUIRED */
|
581 | b82945bc | j_mayer | /* Implemented as no-op */
|
582 | b82945bc | j_mayer | break;
|
583 | b82945bc | j_mayer | case 0x00000009: |
584 | b82945bc | j_mayer | /* CSERVE */
|
585 | b82945bc | j_mayer | /* REQUIRED */
|
586 | b82945bc | j_mayer | break;
|
587 | b82945bc | j_mayer | case 0x0000000A: |
588 | b82945bc | j_mayer | /* SWPPAL */
|
589 | b82945bc | j_mayer | /* REQUIRED */
|
590 | b82945bc | j_mayer | palid = env->ir[16];
|
591 | b82945bc | j_mayer | do_swappal(env, palid); |
592 | b82945bc | j_mayer | break;
|
593 | b82945bc | j_mayer | case 0x0000000D: |
594 | b82945bc | j_mayer | /* WRIPIR */
|
595 | b82945bc | j_mayer | val = env->ir[16];
|
596 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_IPIR, val, &oldval) == 1) |
597 | b82945bc | j_mayer | env->ir[0] = val;
|
598 | b82945bc | j_mayer | break;
|
599 | b82945bc | j_mayer | case 0x00000010: |
600 | b82945bc | j_mayer | /* RDMCES */
|
601 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_MCES, &val) == 0) |
602 | b82945bc | j_mayer | env->ir[0] = val;
|
603 | b82945bc | j_mayer | break;
|
604 | b82945bc | j_mayer | case 0x00000011: |
605 | b82945bc | j_mayer | /* WRMCES */
|
606 | b82945bc | j_mayer | val = env->ir[16];
|
607 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_MCES, val, &oldval) == 1) |
608 | b82945bc | j_mayer | env->ir[0] = val;
|
609 | b82945bc | j_mayer | break;
|
610 | b82945bc | j_mayer | case 0x0000002B: |
611 | b82945bc | j_mayer | /* WRFEN */
|
612 | b82945bc | j_mayer | val = env->ir[16];
|
613 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_PERFMON, val, &oldval) == 1) |
614 | b82945bc | j_mayer | env->ir[0] = val;
|
615 | b82945bc | j_mayer | break;
|
616 | b82945bc | j_mayer | case 0x0000002D: |
617 | b82945bc | j_mayer | /* WRVPTPTR */
|
618 | b82945bc | j_mayer | break;
|
619 | b82945bc | j_mayer | case 0x00000030: |
620 | b82945bc | j_mayer | /* SWPCTX */
|
621 | b82945bc | j_mayer | break;
|
622 | b82945bc | j_mayer | case 0x00000031: |
623 | b82945bc | j_mayer | /* WRVAL */
|
624 | b82945bc | j_mayer | break;
|
625 | b82945bc | j_mayer | case 0x00000032: |
626 | b82945bc | j_mayer | /* RDVAL */
|
627 | b82945bc | j_mayer | break;
|
628 | b82945bc | j_mayer | case 0x00000033: |
629 | b82945bc | j_mayer | /* TBI */
|
630 | b82945bc | j_mayer | val = env->ir[16];
|
631 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_TBIS, val, &oldval) == 1) |
632 | b82945bc | j_mayer | env->ir[0] = val;
|
633 | b82945bc | j_mayer | break;
|
634 | b82945bc | j_mayer | case 0x00000034: |
635 | b82945bc | j_mayer | /* WRENT */
|
636 | b82945bc | j_mayer | break;
|
637 | b82945bc | j_mayer | case 0x00000035: |
638 | b82945bc | j_mayer | /* SWPIPL */
|
639 | b82945bc | j_mayer | break;
|
640 | b82945bc | j_mayer | case 0x00000036: |
641 | b82945bc | j_mayer | /* RDPS */
|
642 | b82945bc | j_mayer | break;
|
643 | b82945bc | j_mayer | case 0x00000037: |
644 | b82945bc | j_mayer | /* WRKGP */
|
645 | b82945bc | j_mayer | break;
|
646 | b82945bc | j_mayer | case 0x00000038: |
647 | b82945bc | j_mayer | /* WRUSP */
|
648 | b82945bc | j_mayer | val = env->ir[16];
|
649 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_USP, val, &oldval) == 1) |
650 | b82945bc | j_mayer | env->ir[0] = val;
|
651 | b82945bc | j_mayer | break;
|
652 | b82945bc | j_mayer | case 0x00000039: |
653 | b82945bc | j_mayer | /* WRPERFMON */
|
654 | b82945bc | j_mayer | val = env->ir[16];
|
655 | b82945bc | j_mayer | if (cpu_alpha_mtpr(env, IPR_PERFMON, val, &oldval) == 1) |
656 | b82945bc | j_mayer | env->ir[0] = val;
|
657 | b82945bc | j_mayer | break;
|
658 | b82945bc | j_mayer | case 0x0000003A: |
659 | b82945bc | j_mayer | /* RDUSP */
|
660 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_USP, &val) == 0) |
661 | b82945bc | j_mayer | env->ir[0] = val;
|
662 | b82945bc | j_mayer | break;
|
663 | b82945bc | j_mayer | case 0x0000003C: |
664 | b82945bc | j_mayer | /* WHAMI */
|
665 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_WHAMI, &val) == 0) |
666 | b82945bc | j_mayer | env->ir[0] = val;
|
667 | b82945bc | j_mayer | break;
|
668 | b82945bc | j_mayer | case 0x0000003D: |
669 | b82945bc | j_mayer | /* RETSYS */
|
670 | b82945bc | j_mayer | break;
|
671 | b82945bc | j_mayer | case 0x0000003E: |
672 | b82945bc | j_mayer | /* WTINT */
|
673 | b82945bc | j_mayer | break;
|
674 | b82945bc | j_mayer | case 0x0000003F: |
675 | b82945bc | j_mayer | /* RTI */
|
676 | b82945bc | j_mayer | if (cpu_alpha_mfpr(env, IPR_WHAMI, &val) == 0) |
677 | b82945bc | j_mayer | env->ir[0] = val;
|
678 | b82945bc | j_mayer | break;
|
679 | b82945bc | j_mayer | case 0x00000080: |
680 | b82945bc | j_mayer | /* BPT */
|
681 | b82945bc | j_mayer | /* REQUIRED */
|
682 | b82945bc | j_mayer | break;
|
683 | b82945bc | j_mayer | case 0x00000081: |
684 | b82945bc | j_mayer | /* BUGCHK */
|
685 | b82945bc | j_mayer | /* REQUIRED */
|
686 | b82945bc | j_mayer | break;
|
687 | b82945bc | j_mayer | case 0x00000083: |
688 | b82945bc | j_mayer | /* CALLSYS */
|
689 | b82945bc | j_mayer | break;
|
690 | b82945bc | j_mayer | case 0x00000086: |
691 | b82945bc | j_mayer | /* IMB */
|
692 | b82945bc | j_mayer | /* REQUIRED */
|
693 | b82945bc | j_mayer | /* Implemented as no-op */
|
694 | b82945bc | j_mayer | break;
|
695 | b82945bc | j_mayer | case 0x00000092: |
696 | b82945bc | j_mayer | /* URTI */
|
697 | b82945bc | j_mayer | break;
|
698 | b82945bc | j_mayer | case 0x0000009E: |
699 | b82945bc | j_mayer | /* RDUNIQUE */
|
700 | b82945bc | j_mayer | /* REQUIRED */
|
701 | b82945bc | j_mayer | break;
|
702 | b82945bc | j_mayer | case 0x0000009F: |
703 | b82945bc | j_mayer | /* WRUNIQUE */
|
704 | b82945bc | j_mayer | /* REQUIRED */
|
705 | b82945bc | j_mayer | break;
|
706 | b82945bc | j_mayer | case 0x000000AA: |
707 | b82945bc | j_mayer | /* GENTRAP */
|
708 | b82945bc | j_mayer | /* REQUIRED */
|
709 | b82945bc | j_mayer | break;
|
710 | b82945bc | j_mayer | case 0x000000AE: |
711 | b82945bc | j_mayer | /* CLRFEN */
|
712 | b82945bc | j_mayer | break;
|
713 | b82945bc | j_mayer | default:
|
714 | b82945bc | j_mayer | break;
|
715 | b82945bc | j_mayer | } |
716 | b82945bc | j_mayer | } |
717 | b82945bc | j_mayer | |
718 | b82945bc | j_mayer | void call_pal (CPUState *env)
|
719 | b82945bc | j_mayer | { |
720 | b82945bc | j_mayer | pal_handler_t *pal_handler = env->pal_handler; |
721 | b82945bc | j_mayer | |
722 | b82945bc | j_mayer | switch (env->exception_index) {
|
723 | b82945bc | j_mayer | case EXCP_RESET:
|
724 | b82945bc | j_mayer | (*pal_handler->reset)(env); |
725 | b82945bc | j_mayer | break;
|
726 | b82945bc | j_mayer | case EXCP_MCHK:
|
727 | b82945bc | j_mayer | (*pal_handler->machine_check)(env); |
728 | b82945bc | j_mayer | break;
|
729 | b82945bc | j_mayer | case EXCP_ARITH:
|
730 | b82945bc | j_mayer | (*pal_handler->arithmetic)(env); |
731 | b82945bc | j_mayer | break;
|
732 | b82945bc | j_mayer | case EXCP_INTERRUPT:
|
733 | b82945bc | j_mayer | (*pal_handler->interrupt)(env); |
734 | b82945bc | j_mayer | break;
|
735 | b82945bc | j_mayer | case EXCP_DFAULT:
|
736 | b82945bc | j_mayer | (*pal_handler->dfault)(env); |
737 | b82945bc | j_mayer | break;
|
738 | b82945bc | j_mayer | case EXCP_DTB_MISS_PAL:
|
739 | b82945bc | j_mayer | (*pal_handler->dtb_miss_pal)(env); |
740 | b82945bc | j_mayer | break;
|
741 | b82945bc | j_mayer | case EXCP_DTB_MISS_NATIVE:
|
742 | b82945bc | j_mayer | (*pal_handler->dtb_miss_native)(env); |
743 | b82945bc | j_mayer | break;
|
744 | b82945bc | j_mayer | case EXCP_UNALIGN:
|
745 | b82945bc | j_mayer | (*pal_handler->unalign)(env); |
746 | b82945bc | j_mayer | break;
|
747 | b82945bc | j_mayer | case EXCP_ITB_MISS:
|
748 | b82945bc | j_mayer | (*pal_handler->itb_miss)(env); |
749 | b82945bc | j_mayer | break;
|
750 | b82945bc | j_mayer | case EXCP_ITB_ACV:
|
751 | b82945bc | j_mayer | (*pal_handler->itb_acv)(env); |
752 | b82945bc | j_mayer | break;
|
753 | b82945bc | j_mayer | case EXCP_OPCDEC:
|
754 | b82945bc | j_mayer | (*pal_handler->opcdec)(env); |
755 | b82945bc | j_mayer | break;
|
756 | b82945bc | j_mayer | case EXCP_FEN:
|
757 | b82945bc | j_mayer | (*pal_handler->fen)(env); |
758 | b82945bc | j_mayer | break;
|
759 | b82945bc | j_mayer | default:
|
760 | b82945bc | j_mayer | if (env->exception_index >= EXCP_CALL_PAL &&
|
761 | b82945bc | j_mayer | env->exception_index < EXCP_CALL_PALP) { |
762 | b82945bc | j_mayer | /* Unprivileged PAL call */
|
763 | b82945bc | j_mayer | (*pal_handler->call_pal) |
764 | b82945bc | j_mayer | (env, (env->exception_index - EXCP_CALL_PAL) >> 6);
|
765 | b82945bc | j_mayer | } else if (env->exception_index >= EXCP_CALL_PALP && |
766 | b82945bc | j_mayer | env->exception_index < EXCP_CALL_PALE) { |
767 | b82945bc | j_mayer | /* Privileged PAL call */
|
768 | b82945bc | j_mayer | (*pal_handler->call_pal) |
769 | b82945bc | j_mayer | (env, ((env->exception_index - EXCP_CALL_PALP) >> 6) + 0x80); |
770 | b82945bc | j_mayer | } else {
|
771 | b82945bc | j_mayer | /* Should never happen */
|
772 | b82945bc | j_mayer | } |
773 | b82945bc | j_mayer | break;
|
774 | b82945bc | j_mayer | } |
775 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] &= ~1;
|
776 | b82945bc | j_mayer | } |
777 | b82945bc | j_mayer | |
778 | b82945bc | j_mayer | void pal_init (CPUState *env)
|
779 | b82945bc | j_mayer | { |
780 | b82945bc | j_mayer | do_swappal(env, 0);
|
781 | b82945bc | j_mayer | } |
782 | b82945bc | j_mayer | |
783 | b82945bc | j_mayer | #if 0
|
784 | b82945bc | j_mayer | static uint64_t get_ptebase (CPUState *env, uint64_t vaddr)
|
785 | b82945bc | j_mayer | {
|
786 | b82945bc | j_mayer | uint64_t virbnd, ptbr;
|
787 | b82945bc | j_mayer | |
788 | b82945bc | j_mayer | if ((env->features & FEATURE_VIRBND)) {
|
789 | b82945bc | j_mayer | cpu_alpha_mfpr(env, IPR_VIRBND, &virbnd);
|
790 | b82945bc | j_mayer | if (vaddr >= virbnd)
|
791 | b82945bc | j_mayer | cpu_alpha_mfpr(env, IPR_SYSPTBR, &ptbr);
|
792 | b82945bc | j_mayer | else
|
793 | b82945bc | j_mayer | cpu_alpha_mfpr(env, IPR_PTBR, &ptbr);
|
794 | b82945bc | j_mayer | } else {
|
795 | b82945bc | j_mayer | cpu_alpha_mfpr(env, IPR_PTBR, &ptbr);
|
796 | b82945bc | j_mayer | }
|
797 | b82945bc | j_mayer | |
798 | b82945bc | j_mayer | return ptbr;
|
799 | b82945bc | j_mayer | }
|
800 | b82945bc | j_mayer | |
801 | b82945bc | j_mayer | static int get_page_bits (CPUState *env)
|
802 | b82945bc | j_mayer | {
|
803 | b82945bc | j_mayer | /* XXX */
|
804 | b82945bc | j_mayer | return 13;
|
805 | b82945bc | j_mayer | }
|
806 | b82945bc | j_mayer | |
807 | b82945bc | j_mayer | static int get_pte (uint64_t *pfnp, int *zbitsp, int *protp,
|
808 | b82945bc | j_mayer | uint64_t ptebase, int page_bits, uint64_t level,
|
809 | 6ebbf390 | j_mayer | int mmu_idx, int rw)
|
810 | b82945bc | j_mayer | {
|
811 | b82945bc | j_mayer | uint64_t pteaddr, pte, pfn;
|
812 | b82945bc | j_mayer | uint8_t gh;
|
813 | 6ebbf390 | j_mayer | int ure, uwe, kre, kwe, foE, foR, foW, v, ret, ar, is_user;
|
814 | b82945bc | j_mayer | |
815 | 6ebbf390 | j_mayer | /* XXX: TOFIX */
|
816 | 6ebbf390 | j_mayer | is_user = mmu_idx == MMU_USER_IDX;
|
817 | b82945bc | j_mayer | pteaddr = (ptebase << page_bits) + (8 * level);
|
818 | b82945bc | j_mayer | pte = ldq_raw(pteaddr);
|
819 | b82945bc | j_mayer | /* Decode all interresting PTE fields */
|
820 | b82945bc | j_mayer | pfn = pte >> 32;
|
821 | b82945bc | j_mayer | uwe = (pte >> 13) & 1;
|
822 | b82945bc | j_mayer | kwe = (pte >> 12) & 1;
|
823 | b82945bc | j_mayer | ure = (pte >> 9) & 1;
|
824 | b82945bc | j_mayer | kre = (pte >> 8) & 1;
|
825 | b82945bc | j_mayer | gh = (pte >> 5) & 3;
|
826 | b82945bc | j_mayer | foE = (pte >> 3) & 1;
|
827 | b82945bc | j_mayer | foW = (pte >> 2) & 1;
|
828 | b82945bc | j_mayer | foR = (pte >> 1) & 1;
|
829 | b82945bc | j_mayer | v = pte & 1;
|
830 | b82945bc | j_mayer | ret = 0;
|
831 | b82945bc | j_mayer | if (!v)
|
832 | b82945bc | j_mayer | ret = 0x1;
|
833 | b82945bc | j_mayer | /* Check access rights */
|
834 | b82945bc | j_mayer | ar = 0;
|
835 | b82945bc | j_mayer | if (is_user) {
|
836 | b82945bc | j_mayer | if (ure)
|
837 | b82945bc | j_mayer | ar |= PAGE_READ;
|
838 | b82945bc | j_mayer | if (uwe)
|
839 | b82945bc | j_mayer | ar |= PAGE_WRITE;
|
840 | b82945bc | j_mayer | if (rw == 1 && !uwe)
|
841 | b82945bc | j_mayer | ret |= 0x2;
|
842 | b82945bc | j_mayer | if (rw != 1 && !ure)
|
843 | b82945bc | j_mayer | ret |= 0x2;
|
844 | b82945bc | j_mayer | } else {
|
845 | b82945bc | j_mayer | if (kre)
|
846 | b82945bc | j_mayer | ar |= PAGE_READ;
|
847 | b82945bc | j_mayer | if (kwe)
|
848 | b82945bc | j_mayer | ar |= PAGE_WRITE;
|
849 | b82945bc | j_mayer | if (rw == 1 && !kwe)
|
850 | b82945bc | j_mayer | ret |= 0x2;
|
851 | b82945bc | j_mayer | if (rw != 1 && !kre)
|
852 | b82945bc | j_mayer | ret |= 0x2;
|
853 | b82945bc | j_mayer | }
|
854 | b82945bc | j_mayer | if (rw == 0 && foR)
|
855 | b82945bc | j_mayer | ret |= 0x4;
|
856 | b82945bc | j_mayer | if (rw == 2 && foE)
|
857 | b82945bc | j_mayer | ret |= 0x8;
|
858 | b82945bc | j_mayer | if (rw == 1 && foW)
|
859 | b82945bc | j_mayer | ret |= 0xC;
|
860 | b82945bc | j_mayer | *pfnp = pfn;
|
861 | b82945bc | j_mayer | if (zbitsp != NULL)
|
862 | b82945bc | j_mayer | *zbitsp = page_bits + (3 * gh);
|
863 | b82945bc | j_mayer | if (protp != NULL)
|
864 | b82945bc | j_mayer | *protp = ar;
|
865 | b82945bc | j_mayer | |
866 | b82945bc | j_mayer | return ret;
|
867 | b82945bc | j_mayer | }
|
868 | b82945bc | j_mayer | |
869 | b82945bc | j_mayer | static int paddr_from_pte (uint64_t *paddr, int *zbitsp, int *prot,
|
870 | b82945bc | j_mayer | uint64_t ptebase, int page_bits,
|
871 | 6ebbf390 | j_mayer | uint64_t vaddr, int mmu_idx, int rw)
|
872 | b82945bc | j_mayer | {
|
873 | b82945bc | j_mayer | uint64_t pfn, page_mask, lvl_mask, level1, level2, level3;
|
874 | b82945bc | j_mayer | int lvl_bits, ret;
|
875 | b82945bc | j_mayer | |
876 | b82945bc | j_mayer | page_mask = (1ULL << page_bits) - 1ULL;
|
877 | b82945bc | j_mayer | lvl_bits = page_bits - 3;
|
878 | b82945bc | j_mayer | lvl_mask = (1ULL << lvl_bits) - 1ULL;
|
879 | b82945bc | j_mayer | level3 = (vaddr >> page_bits) & lvl_mask;
|
880 | b82945bc | j_mayer | level2 = (vaddr >> (page_bits + lvl_bits)) & lvl_mask;
|
881 | b82945bc | j_mayer | level1 = (vaddr >> (page_bits + (2 * lvl_bits))) & lvl_mask;
|
882 | b82945bc | j_mayer | /* Level 1 PTE */
|
883 | b82945bc | j_mayer | ret = get_pte(&pfn, NULL, NULL, ptebase, page_bits, level1, 0, 0);
|
884 | b82945bc | j_mayer | switch (ret) {
|
885 | b82945bc | j_mayer | case 3:
|
886 | b82945bc | j_mayer | /* Access violation */
|
887 | b82945bc | j_mayer | return 2;
|
888 | b82945bc | j_mayer | case 2:
|
889 | b82945bc | j_mayer | /* translation not valid */
|
890 | b82945bc | j_mayer | return 1;
|
891 | b82945bc | j_mayer | default:
|
892 | b82945bc | j_mayer | /* OK */
|
893 | b82945bc | j_mayer | break;
|
894 | b82945bc | j_mayer | }
|
895 | b82945bc | j_mayer | /* Level 2 PTE */
|
896 | b82945bc | j_mayer | ret = get_pte(&pfn, NULL, NULL, pfn, page_bits, level2, 0, 0);
|
897 | b82945bc | j_mayer | switch (ret) {
|
898 | b82945bc | j_mayer | case 3:
|
899 | b82945bc | j_mayer | /* Access violation */
|
900 | b82945bc | j_mayer | return 2;
|
901 | b82945bc | j_mayer | case 2:
|
902 | b82945bc | j_mayer | /* translation not valid */
|
903 | b82945bc | j_mayer | return 1;
|
904 | b82945bc | j_mayer | default:
|
905 | b82945bc | j_mayer | /* OK */
|
906 | b82945bc | j_mayer | break;
|
907 | b82945bc | j_mayer | }
|
908 | b82945bc | j_mayer | /* Level 3 PTE */
|
909 | 6ebbf390 | j_mayer | ret = get_pte(&pfn, zbitsp, prot, pfn, page_bits, level3, mmu_idx, rw);
|
910 | b82945bc | j_mayer | if (ret & 0x1) {
|
911 | b82945bc | j_mayer | /* Translation not valid */
|
912 | b82945bc | j_mayer | ret = 1;
|
913 | b82945bc | j_mayer | } else if (ret & 2) {
|
914 | b82945bc | j_mayer | /* Access violation */
|
915 | b82945bc | j_mayer | ret = 2;
|
916 | b82945bc | j_mayer | } else {
|
917 | b82945bc | j_mayer | switch (ret & 0xC) {
|
918 | b82945bc | j_mayer | case 0:
|
919 | b82945bc | j_mayer | /* OK */
|
920 | b82945bc | j_mayer | ret = 0;
|
921 | b82945bc | j_mayer | break;
|
922 | b82945bc | j_mayer | case 0x4:
|
923 | b82945bc | j_mayer | /* Fault on read */
|
924 | b82945bc | j_mayer | ret = 3;
|
925 | b82945bc | j_mayer | break;
|
926 | b82945bc | j_mayer | case 0x8:
|
927 | b82945bc | j_mayer | /* Fault on execute */
|
928 | b82945bc | j_mayer | ret = 4;
|
929 | b82945bc | j_mayer | break;
|
930 | b82945bc | j_mayer | case 0xC:
|
931 | b82945bc | j_mayer | /* Fault on write */
|
932 | b82945bc | j_mayer | ret = 5;
|
933 | b82945bc | j_mayer | break;
|
934 | b82945bc | j_mayer | }
|
935 | b82945bc | j_mayer | }
|
936 | b82945bc | j_mayer | *paddr = (pfn << page_bits) | (vaddr & page_mask);
|
937 | 3b46e624 | ths | |
938 | b82945bc | j_mayer | return 0;
|
939 | b82945bc | j_mayer | }
|
940 | b82945bc | j_mayer | |
941 | b82945bc | j_mayer | static int virtual_to_physical (CPUState *env, uint64_t *physp,
|
942 | b82945bc | j_mayer | int *zbitsp, int *protp,
|
943 | 6ebbf390 | j_mayer | uint64_t virtual, int mmu_idx, int rw)
|
944 | b82945bc | j_mayer | {
|
945 | b82945bc | j_mayer | uint64_t sva, ptebase;
|
946 | b82945bc | j_mayer | int seg, page_bits, ret;
|
947 | b82945bc | j_mayer | |
948 | b82945bc | j_mayer | sva = ((int64_t)(virtual << (64 - VA_BITS))) >> (64 - VA_BITS);
|
949 | b82945bc | j_mayer | if (sva != virtual)
|
950 | b82945bc | j_mayer | seg = -1;
|
951 | b82945bc | j_mayer | else
|
952 | b82945bc | j_mayer | seg = sva >> (VA_BITS - 2);
|
953 | b82945bc | j_mayer | virtual &= ~(0xFFFFFC0000000000ULL << (VA_BITS - 43));
|
954 | b82945bc | j_mayer | ptebase = get_ptebase(env, virtual);
|
955 | b82945bc | j_mayer | page_bits = get_page_bits(env);
|
956 | b82945bc | j_mayer | ret = 0;
|
957 | b82945bc | j_mayer | switch (seg) {
|
958 | b82945bc | j_mayer | case 0:
|
959 | b82945bc | j_mayer | /* seg1: 3 levels of PTE */
|
960 | b82945bc | j_mayer | ret = paddr_from_pte(physp, zbitsp, protp, ptebase, page_bits,
|
961 | 6ebbf390 | j_mayer | virtual, mmu_idx, rw);
|
962 | b82945bc | j_mayer | break;
|
963 | b82945bc | j_mayer | case 1:
|
964 | b82945bc | j_mayer | /* seg1: 2 levels of PTE */
|
965 | b82945bc | j_mayer | ret = paddr_from_pte(physp, zbitsp, protp, ptebase, page_bits,
|
966 | 6ebbf390 | j_mayer | virtual, mmu_idx, rw);
|
967 | b82945bc | j_mayer | break;
|
968 | b82945bc | j_mayer | case 2:
|
969 | b82945bc | j_mayer | /* kernel segment */
|
970 | 6ebbf390 | j_mayer | if (mmu_idx != 0) {
|
971 | b82945bc | j_mayer | ret = 2;
|
972 | b82945bc | j_mayer | } else {
|
973 | b82945bc | j_mayer | *physp = virtual;
|
974 | b82945bc | j_mayer | }
|
975 | b82945bc | j_mayer | break;
|
976 | b82945bc | j_mayer | case 3:
|
977 | b82945bc | j_mayer | /* seg1: TB mapped */
|
978 | b82945bc | j_mayer | ret = paddr_from_pte(physp, zbitsp, protp, ptebase, page_bits,
|
979 | 6ebbf390 | j_mayer | virtual, mmu_idx, rw);
|
980 | b82945bc | j_mayer | break;
|
981 | b82945bc | j_mayer | default:
|
982 | b82945bc | j_mayer | ret = 1;
|
983 | b82945bc | j_mayer | break;
|
984 | b82945bc | j_mayer | }
|
985 | b82945bc | j_mayer | |
986 | b82945bc | j_mayer | return ret;
|
987 | b82945bc | j_mayer | }
|
988 | b82945bc | j_mayer | |
989 | b82945bc | j_mayer | /* XXX: code provision */
|
990 | b82945bc | j_mayer | int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw,
|
991 | 6ebbf390 | j_mayer | int mmu_idx, int is_softmmu)
|
992 | b82945bc | j_mayer | {
|
993 | b82945bc | j_mayer | uint64_t physical, page_size, end;
|
994 | b82945bc | j_mayer | int prot, zbits, ret;
|
995 | b82945bc | j_mayer | |
996 | 6049f4f8 | Richard Henderson | ret = virtual_to_physical(env, &physical, &zbits, &prot,
|
997 | 6049f4f8 | Richard Henderson | address, mmu_idx, rw);
|
998 | 6049f4f8 | Richard Henderson | |
999 | b82945bc | j_mayer | switch (ret) {
|
1000 | b82945bc | j_mayer | case 0:
|
1001 | b82945bc | j_mayer | /* No fault */
|
1002 | b82945bc | j_mayer | page_size = 1ULL << zbits;
|
1003 | b82945bc | j_mayer | address &= ~(page_size - 1);
|
1004 | d4c430a8 | Paul Brook | /* FIXME: page_size should probably be passed to tlb_set_page,
|
1005 | d4c430a8 | Paul Brook | and this loop removed. */
|
1006 | b82945bc | j_mayer | for (end = physical + page_size; physical < end; physical += 0x1000) {
|
1007 | d4c430a8 | Paul Brook | tlb_set_page(env, address, physical, prot, mmu_idx,
|
1008 | d4c430a8 | Paul Brook | TARGET_PAGE_SIZE);
|
1009 | b82945bc | j_mayer | address += 0x1000;
|
1010 | b82945bc | j_mayer | }
|
1011 | d4c430a8 | Paul Brook | ret = 0;
|
1012 | b82945bc | j_mayer | break;
|
1013 | b82945bc | j_mayer | #if 0
|
1014 | b82945bc | j_mayer | case 1:
|
1015 | b82945bc | j_mayer | env->exception_index = EXCP_DFAULT;
|
1016 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address;
|
1017 | b82945bc | j_mayer | ret = 1;
|
1018 | b82945bc | j_mayer | break;
|
1019 | b82945bc | j_mayer | case 2:
|
1020 | b82945bc | j_mayer | env->exception_index = EXCP_ACCESS_VIOLATION;
|
1021 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address;
|
1022 | b82945bc | j_mayer | ret = 1;
|
1023 | b82945bc | j_mayer | break;
|
1024 | b82945bc | j_mayer | case 3:
|
1025 | b82945bc | j_mayer | env->exception_index = EXCP_FAULT_ON_READ;
|
1026 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address;
|
1027 | b82945bc | j_mayer | ret = 1;
|
1028 | b82945bc | j_mayer | break;
|
1029 | b82945bc | j_mayer | case 4:
|
1030 | b82945bc | j_mayer | env->exception_index = EXCP_FAULT_ON_EXECUTE;
|
1031 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address;
|
1032 | b82945bc | j_mayer | ret = 1;
|
1033 | b82945bc | j_mayer | case 5:
|
1034 | b82945bc | j_mayer | env->exception_index = EXCP_FAULT_ON_WRITE;
|
1035 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address;
|
1036 | b82945bc | j_mayer | ret = 1;
|
1037 | b82945bc | j_mayer | #endif
|
1038 | b82945bc | j_mayer | default:
|
1039 | b82945bc | j_mayer | /* Should never happen */
|
1040 | b82945bc | j_mayer | env->exception_index = EXCP_MCHK; |
1041 | b82945bc | j_mayer | env->ipr[IPR_EXC_ADDR] = address; |
1042 | b82945bc | j_mayer | ret = 1;
|
1043 | b82945bc | j_mayer | break;
|
1044 | b82945bc | j_mayer | } |
1045 | b82945bc | j_mayer | |
1046 | b82945bc | j_mayer | return ret;
|
1047 | b82945bc | j_mayer | } |
1048 | b82945bc | j_mayer | #endif |