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1 | 6e64da3c | Guan Xuetao | /*
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2 | 4f23a1e6 | Guan Xuetao | * Copyright (C) 2010-2012 Guan Xuetao
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3 | 6e64da3c | Guan Xuetao | *
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4 | 6e64da3c | Guan Xuetao | * This program is free software; you can redistribute it and/or modify
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5 | 6e64da3c | Guan Xuetao | * it under the terms of the GNU General Public License version 2 as
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6 | 6e64da3c | Guan Xuetao | * published by the Free Software Foundation.
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7 | c3a8baa9 | Andreas Färber | *
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8 | c3a8baa9 | Andreas Färber | * Contributions from 2012-04-01 on are considered under GPL version 2,
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9 | c3a8baa9 | Andreas Färber | * or (at your option) any later version.
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10 | 6e64da3c | Guan Xuetao | */
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11 | 6e64da3c | Guan Xuetao | |
12 | 6e64da3c | Guan Xuetao | #include "cpu.h" |
13 | 6e64da3c | Guan Xuetao | #include "gdbstub.h" |
14 | 6e64da3c | Guan Xuetao | #include "helper.h" |
15 | 6e64da3c | Guan Xuetao | #include "host-utils.h" |
16 | ff5928d0 | Guan Xuetao | #include "console.h" |
17 | 6e64da3c | Guan Xuetao | |
18 | 527d9979 | Guan Xuetao | #undef DEBUG_UC32
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19 | 527d9979 | Guan Xuetao | |
20 | 527d9979 | Guan Xuetao | #ifdef DEBUG_UC32
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21 | 527d9979 | Guan Xuetao | #define DPRINTF(fmt, ...) printf("%s: " fmt , __func__, ## __VA_ARGS__) |
22 | 527d9979 | Guan Xuetao | #else
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23 | 527d9979 | Guan Xuetao | #define DPRINTF(fmt, ...) do {} while (0) |
24 | 527d9979 | Guan Xuetao | #endif
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25 | 527d9979 | Guan Xuetao | |
26 | eb23b556 | Andreas Färber | CPUUniCore32State *uc32_cpu_init(const char *cpu_model) |
27 | 6e64da3c | Guan Xuetao | { |
28 | ae0f5e9e | Andreas Färber | UniCore32CPU *cpu; |
29 | eb23b556 | Andreas Färber | CPUUniCore32State *env; |
30 | 6e64da3c | Guan Xuetao | static int inited = 1; |
31 | 6e64da3c | Guan Xuetao | |
32 | ae0f5e9e | Andreas Färber | if (object_class_by_name(cpu_model) == NULL) { |
33 | ae0f5e9e | Andreas Färber | return NULL; |
34 | ae0f5e9e | Andreas Färber | } |
35 | ae0f5e9e | Andreas Färber | cpu = UNICORE32_CPU(object_new(cpu_model)); |
36 | ae0f5e9e | Andreas Färber | env = &cpu->env; |
37 | 6e64da3c | Guan Xuetao | |
38 | 6e64da3c | Guan Xuetao | if (inited) {
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39 | 6e64da3c | Guan Xuetao | inited = 0;
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40 | 6e64da3c | Guan Xuetao | uc32_translate_init(); |
41 | 6e64da3c | Guan Xuetao | } |
42 | 6e64da3c | Guan Xuetao | |
43 | 6e64da3c | Guan Xuetao | qemu_init_vcpu(env); |
44 | 6e64da3c | Guan Xuetao | return env;
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45 | 6e64da3c | Guan Xuetao | } |
46 | 6e64da3c | Guan Xuetao | |
47 | 6e64da3c | Guan Xuetao | uint32_t HELPER(clo)(uint32_t x) |
48 | 6e64da3c | Guan Xuetao | { |
49 | 6e64da3c | Guan Xuetao | return clo32(x);
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50 | 6e64da3c | Guan Xuetao | } |
51 | 6e64da3c | Guan Xuetao | |
52 | 6e64da3c | Guan Xuetao | uint32_t HELPER(clz)(uint32_t x) |
53 | 6e64da3c | Guan Xuetao | { |
54 | 6e64da3c | Guan Xuetao | return clz32(x);
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55 | 6e64da3c | Guan Xuetao | } |
56 | 6e64da3c | Guan Xuetao | |
57 | 527d9979 | Guan Xuetao | #ifndef CONFIG_USER_ONLY
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58 | 527d9979 | Guan Xuetao | void helper_cp0_set(CPUUniCore32State *env, uint32_t val, uint32_t creg,
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59 | 527d9979 | Guan Xuetao | uint32_t cop) |
60 | 4f23a1e6 | Guan Xuetao | { |
61 | 527d9979 | Guan Xuetao | /*
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62 | 527d9979 | Guan Xuetao | * movc pp.nn, rn, #imm9
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63 | 527d9979 | Guan Xuetao | * rn: UCOP_REG_D
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64 | 527d9979 | Guan Xuetao | * nn: UCOP_REG_N
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65 | 527d9979 | Guan Xuetao | * 1: sys control reg.
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66 | 527d9979 | Guan Xuetao | * 2: page table base reg.
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67 | 527d9979 | Guan Xuetao | * 3: data fault status reg.
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68 | 527d9979 | Guan Xuetao | * 4: insn fault status reg.
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69 | 527d9979 | Guan Xuetao | * 5: cache op. reg.
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70 | 527d9979 | Guan Xuetao | * 6: tlb op. reg.
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71 | 527d9979 | Guan Xuetao | * imm9: split UCOP_IMM10 with bit5 is 0
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72 | 527d9979 | Guan Xuetao | */
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73 | 527d9979 | Guan Xuetao | switch (creg) {
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74 | 527d9979 | Guan Xuetao | case 1: |
75 | 527d9979 | Guan Xuetao | if (cop != 0) { |
76 | 527d9979 | Guan Xuetao | goto unrecognized;
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77 | 527d9979 | Guan Xuetao | } |
78 | 527d9979 | Guan Xuetao | env->cp0.c1_sys = val; |
79 | 527d9979 | Guan Xuetao | break;
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80 | 527d9979 | Guan Xuetao | case 2: |
81 | 527d9979 | Guan Xuetao | if (cop != 0) { |
82 | 527d9979 | Guan Xuetao | goto unrecognized;
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83 | 527d9979 | Guan Xuetao | } |
84 | 527d9979 | Guan Xuetao | env->cp0.c2_base = val; |
85 | 527d9979 | Guan Xuetao | break;
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86 | 527d9979 | Guan Xuetao | case 3: |
87 | 527d9979 | Guan Xuetao | if (cop != 0) { |
88 | 527d9979 | Guan Xuetao | goto unrecognized;
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89 | 527d9979 | Guan Xuetao | } |
90 | 527d9979 | Guan Xuetao | env->cp0.c3_faultstatus = val; |
91 | 527d9979 | Guan Xuetao | break;
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92 | 527d9979 | Guan Xuetao | case 4: |
93 | 527d9979 | Guan Xuetao | if (cop != 0) { |
94 | 527d9979 | Guan Xuetao | goto unrecognized;
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95 | 527d9979 | Guan Xuetao | } |
96 | 527d9979 | Guan Xuetao | env->cp0.c4_faultaddr = val; |
97 | 527d9979 | Guan Xuetao | break;
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98 | 527d9979 | Guan Xuetao | case 5: |
99 | 527d9979 | Guan Xuetao | switch (cop) {
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100 | 527d9979 | Guan Xuetao | case 28: |
101 | 527d9979 | Guan Xuetao | DPRINTF("Invalidate Entire I&D cache\n");
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102 | 527d9979 | Guan Xuetao | return;
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103 | 527d9979 | Guan Xuetao | case 20: |
104 | 527d9979 | Guan Xuetao | DPRINTF("Invalidate Entire Icache\n");
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105 | 527d9979 | Guan Xuetao | return;
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106 | 527d9979 | Guan Xuetao | case 12: |
107 | 527d9979 | Guan Xuetao | DPRINTF("Invalidate Entire Dcache\n");
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108 | 527d9979 | Guan Xuetao | return;
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109 | 527d9979 | Guan Xuetao | case 10: |
110 | 527d9979 | Guan Xuetao | DPRINTF("Clean Entire Dcache\n");
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111 | 527d9979 | Guan Xuetao | return;
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112 | 527d9979 | Guan Xuetao | case 14: |
113 | 527d9979 | Guan Xuetao | DPRINTF("Flush Entire Dcache\n");
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114 | 527d9979 | Guan Xuetao | return;
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115 | 527d9979 | Guan Xuetao | case 13: |
116 | 527d9979 | Guan Xuetao | DPRINTF("Invalidate Dcache line\n");
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117 | 527d9979 | Guan Xuetao | return;
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118 | 527d9979 | Guan Xuetao | case 11: |
119 | 527d9979 | Guan Xuetao | DPRINTF("Clean Dcache line\n");
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120 | 527d9979 | Guan Xuetao | return;
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121 | 527d9979 | Guan Xuetao | case 15: |
122 | 527d9979 | Guan Xuetao | DPRINTF("Flush Dcache line\n");
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123 | 527d9979 | Guan Xuetao | return;
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124 | 527d9979 | Guan Xuetao | } |
125 | 527d9979 | Guan Xuetao | break;
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126 | 527d9979 | Guan Xuetao | case 6: |
127 | 527d9979 | Guan Xuetao | if ((cop <= 6) && (cop >= 2)) { |
128 | 527d9979 | Guan Xuetao | /* invalid all tlb */
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129 | 527d9979 | Guan Xuetao | tlb_flush(env, 1);
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130 | 527d9979 | Guan Xuetao | return;
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131 | 527d9979 | Guan Xuetao | } |
132 | 527d9979 | Guan Xuetao | break;
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133 | 527d9979 | Guan Xuetao | default:
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134 | 527d9979 | Guan Xuetao | goto unrecognized;
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135 | 4f23a1e6 | Guan Xuetao | } |
136 | 6e64da3c | Guan Xuetao | return;
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137 | 527d9979 | Guan Xuetao | unrecognized:
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138 | 527d9979 | Guan Xuetao | DPRINTF("Wrong register (%d) or wrong operation (%d) in cp0_set!\n",
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139 | 527d9979 | Guan Xuetao | creg, cop); |
140 | 6e64da3c | Guan Xuetao | } |
141 | 6e64da3c | Guan Xuetao | |
142 | 527d9979 | Guan Xuetao | uint32_t helper_cp0_get(CPUUniCore32State *env, uint32_t creg, uint32_t cop) |
143 | 6e64da3c | Guan Xuetao | { |
144 | 527d9979 | Guan Xuetao | /*
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145 | 527d9979 | Guan Xuetao | * movc rd, pp.nn, #imm9
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146 | 527d9979 | Guan Xuetao | * rd: UCOP_REG_D
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147 | 527d9979 | Guan Xuetao | * nn: UCOP_REG_N
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148 | 527d9979 | Guan Xuetao | * 0: cpuid and cachetype
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149 | 527d9979 | Guan Xuetao | * 1: sys control reg.
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150 | 527d9979 | Guan Xuetao | * 2: page table base reg.
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151 | 527d9979 | Guan Xuetao | * 3: data fault status reg.
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152 | 527d9979 | Guan Xuetao | * 4: insn fault status reg.
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153 | 527d9979 | Guan Xuetao | * imm9: split UCOP_IMM10 with bit5 is 0
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154 | 527d9979 | Guan Xuetao | */
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155 | 527d9979 | Guan Xuetao | switch (creg) {
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156 | 527d9979 | Guan Xuetao | case 0: |
157 | 527d9979 | Guan Xuetao | switch (cop) {
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158 | 527d9979 | Guan Xuetao | case 0: |
159 | 527d9979 | Guan Xuetao | return env->cp0.c0_cpuid;
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160 | 527d9979 | Guan Xuetao | case 1: |
161 | 527d9979 | Guan Xuetao | return env->cp0.c0_cachetype;
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162 | 527d9979 | Guan Xuetao | } |
163 | 527d9979 | Guan Xuetao | break;
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164 | 527d9979 | Guan Xuetao | case 1: |
165 | 527d9979 | Guan Xuetao | if (cop == 0) { |
166 | 527d9979 | Guan Xuetao | return env->cp0.c1_sys;
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167 | 527d9979 | Guan Xuetao | } |
168 | 527d9979 | Guan Xuetao | break;
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169 | 527d9979 | Guan Xuetao | case 2: |
170 | 527d9979 | Guan Xuetao | if (cop == 0) { |
171 | 527d9979 | Guan Xuetao | return env->cp0.c2_base;
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172 | 527d9979 | Guan Xuetao | } |
173 | 527d9979 | Guan Xuetao | break;
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174 | 527d9979 | Guan Xuetao | case 3: |
175 | 527d9979 | Guan Xuetao | if (cop == 0) { |
176 | 527d9979 | Guan Xuetao | return env->cp0.c3_faultstatus;
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177 | 527d9979 | Guan Xuetao | } |
178 | 527d9979 | Guan Xuetao | break;
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179 | 527d9979 | Guan Xuetao | case 4: |
180 | 527d9979 | Guan Xuetao | if (cop == 0) { |
181 | 527d9979 | Guan Xuetao | return env->cp0.c4_faultaddr;
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182 | 527d9979 | Guan Xuetao | } |
183 | 527d9979 | Guan Xuetao | break;
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184 | 527d9979 | Guan Xuetao | } |
185 | 527d9979 | Guan Xuetao | DPRINTF("Wrong register (%d) or wrong operation (%d) in cp0_set!\n",
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186 | 527d9979 | Guan Xuetao | creg, cop); |
187 | 6e64da3c | Guan Xuetao | return 0; |
188 | 6e64da3c | Guan Xuetao | } |
189 | 6e64da3c | Guan Xuetao | |
190 | ff5928d0 | Guan Xuetao | #ifdef CONFIG_CURSES
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191 | ff5928d0 | Guan Xuetao | /*
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192 | ff5928d0 | Guan Xuetao | * FIXME:
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193 | ff5928d0 | Guan Xuetao | * 1. curses windows will be blank when switching back
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194 | ff5928d0 | Guan Xuetao | * 2. backspace is not handled yet
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195 | ff5928d0 | Guan Xuetao | */
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196 | ff5928d0 | Guan Xuetao | static void putc_on_screen(unsigned char ch) |
197 | ff5928d0 | Guan Xuetao | { |
198 | ff5928d0 | Guan Xuetao | static WINDOW *localwin;
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199 | ff5928d0 | Guan Xuetao | static int init; |
200 | ff5928d0 | Guan Xuetao | |
201 | ff5928d0 | Guan Xuetao | if (!init) {
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202 | ff5928d0 | Guan Xuetao | /* Assume 80 * 30 screen to minimize the implementation */
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203 | ff5928d0 | Guan Xuetao | localwin = newwin(30, 80, 0, 0); |
204 | ff5928d0 | Guan Xuetao | scrollok(localwin, TRUE); |
205 | ff5928d0 | Guan Xuetao | init = TRUE; |
206 | ff5928d0 | Guan Xuetao | } |
207 | ff5928d0 | Guan Xuetao | |
208 | ff5928d0 | Guan Xuetao | if (isprint(ch)) {
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209 | ff5928d0 | Guan Xuetao | wprintw(localwin, "%c", ch);
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210 | ff5928d0 | Guan Xuetao | } else {
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211 | ff5928d0 | Guan Xuetao | switch (ch) {
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212 | ff5928d0 | Guan Xuetao | case '\n': |
213 | ff5928d0 | Guan Xuetao | wprintw(localwin, "%c", ch);
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214 | ff5928d0 | Guan Xuetao | break;
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215 | ff5928d0 | Guan Xuetao | case '\r': |
216 | ff5928d0 | Guan Xuetao | /* If '\r' is put before '\n', the curses window will destroy the
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217 | ff5928d0 | Guan Xuetao | * last print line. And meanwhile, '\n' implifies '\r' inside. */
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218 | ff5928d0 | Guan Xuetao | break;
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219 | ff5928d0 | Guan Xuetao | default: /* Not handled, so just print it hex code */ |
220 | ff5928d0 | Guan Xuetao | wprintw(localwin, "-- 0x%x --", ch);
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221 | ff5928d0 | Guan Xuetao | } |
222 | ff5928d0 | Guan Xuetao | } |
223 | ff5928d0 | Guan Xuetao | |
224 | ff5928d0 | Guan Xuetao | wrefresh(localwin); |
225 | ff5928d0 | Guan Xuetao | } |
226 | ff5928d0 | Guan Xuetao | #else
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227 | ff5928d0 | Guan Xuetao | #define putc_on_screen(c) do { } while (0) |
228 | ff5928d0 | Guan Xuetao | #endif
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229 | ff5928d0 | Guan Xuetao | |
230 | 527d9979 | Guan Xuetao | void helper_cp1_putc(target_ulong x)
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231 | 6e64da3c | Guan Xuetao | { |
232 | ff5928d0 | Guan Xuetao | putc_on_screen((unsigned char)x); /* Output to screen */ |
233 | ff5928d0 | Guan Xuetao | DPRINTF("%c", x); /* Output to stdout */ |
234 | 6e64da3c | Guan Xuetao | } |
235 | 527d9979 | Guan Xuetao | #endif
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236 | 6e64da3c | Guan Xuetao | |
237 | 527d9979 | Guan Xuetao | #ifdef CONFIG_USER_ONLY
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238 | 527d9979 | Guan Xuetao | void switch_mode(CPUUniCore32State *env, int mode) |
239 | 6e64da3c | Guan Xuetao | { |
240 | 527d9979 | Guan Xuetao | if (mode != ASR_MODE_USER) {
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241 | 527d9979 | Guan Xuetao | cpu_abort(env, "Tried to switch out of user mode\n");
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242 | 527d9979 | Guan Xuetao | } |
243 | 6e64da3c | Guan Xuetao | } |
244 | 6e64da3c | Guan Xuetao | |
245 | 527d9979 | Guan Xuetao | void do_interrupt(CPUUniCore32State *env)
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246 | 6e64da3c | Guan Xuetao | { |
247 | 527d9979 | Guan Xuetao | cpu_abort(env, "NO interrupt in user mode\n");
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248 | 6e64da3c | Guan Xuetao | } |
249 | 6e64da3c | Guan Xuetao | |
250 | 527d9979 | Guan Xuetao | int uc32_cpu_handle_mmu_fault(CPUUniCore32State *env, target_ulong address,
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251 | 527d9979 | Guan Xuetao | int access_type, int mmu_idx) |
252 | 6e64da3c | Guan Xuetao | { |
253 | 527d9979 | Guan Xuetao | cpu_abort(env, "NO mmu fault in user mode\n");
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254 | 527d9979 | Guan Xuetao | return 1; |
255 | 6e64da3c | Guan Xuetao | } |
256 | 527d9979 | Guan Xuetao | #endif |