root / hw / intc / apic_common.c @ 81cce07e
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1 | dae01685 | Jan Kiszka | /*
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2 | dae01685 | Jan Kiszka | * APIC support - common bits of emulated and KVM kernel model
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3 | dae01685 | Jan Kiszka | *
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4 | dae01685 | Jan Kiszka | * Copyright (c) 2004-2005 Fabrice Bellard
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5 | dae01685 | Jan Kiszka | * Copyright (c) 2011 Jan Kiszka, Siemens AG
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6 | dae01685 | Jan Kiszka | *
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7 | dae01685 | Jan Kiszka | * This library is free software; you can redistribute it and/or
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8 | dae01685 | Jan Kiszka | * modify it under the terms of the GNU Lesser General Public
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9 | dae01685 | Jan Kiszka | * License as published by the Free Software Foundation; either
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10 | dae01685 | Jan Kiszka | * version 2 of the License, or (at your option) any later version.
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11 | dae01685 | Jan Kiszka | *
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12 | dae01685 | Jan Kiszka | * This library is distributed in the hope that it will be useful,
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13 | dae01685 | Jan Kiszka | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | dae01685 | Jan Kiszka | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 | dae01685 | Jan Kiszka | * Lesser General Public License for more details.
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16 | dae01685 | Jan Kiszka | *
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17 | dae01685 | Jan Kiszka | * You should have received a copy of the GNU Lesser General Public
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18 | dae01685 | Jan Kiszka | * License along with this library; if not, see <http://www.gnu.org/licenses/>
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19 | dae01685 | Jan Kiszka | */
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20 | 0d09e41a | Paolo Bonzini | #include "hw/i386/apic.h" |
21 | 0d09e41a | Paolo Bonzini | #include "hw/i386/apic_internal.h" |
22 | dae01685 | Jan Kiszka | #include "trace.h" |
23 | 9c17d615 | Paolo Bonzini | #include "sysemu/kvm.h" |
24 | 53a89e26 | Igor Mammedov | #include "hw/qdev.h" |
25 | 53a89e26 | Igor Mammedov | #include "hw/sysbus.h" |
26 | dae01685 | Jan Kiszka | |
27 | dae01685 | Jan Kiszka | static int apic_irq_delivered; |
28 | e5ad936b | Jan Kiszka | bool apic_report_tpr_access;
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29 | dae01685 | Jan Kiszka | |
30 | d3b0c9e9 | xiaoqiang zhao | void cpu_set_apic_base(DeviceState *dev, uint64_t val)
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31 | dae01685 | Jan Kiszka | { |
32 | dae01685 | Jan Kiszka | trace_cpu_set_apic_base(val); |
33 | dae01685 | Jan Kiszka | |
34 | d3b0c9e9 | xiaoqiang zhao | if (dev) {
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35 | d3b0c9e9 | xiaoqiang zhao | APICCommonState *s = APIC_COMMON(dev); |
36 | 999e12bb | Anthony Liguori | APICCommonClass *info = APIC_COMMON_GET_CLASS(s); |
37 | dae01685 | Jan Kiszka | info->set_base(s, val); |
38 | dae01685 | Jan Kiszka | } |
39 | dae01685 | Jan Kiszka | } |
40 | dae01685 | Jan Kiszka | |
41 | d3b0c9e9 | xiaoqiang zhao | uint64_t cpu_get_apic_base(DeviceState *dev) |
42 | dae01685 | Jan Kiszka | { |
43 | d3b0c9e9 | xiaoqiang zhao | if (dev) {
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44 | d3b0c9e9 | xiaoqiang zhao | APICCommonState *s = APIC_COMMON(dev); |
45 | 999e12bb | Anthony Liguori | trace_cpu_get_apic_base((uint64_t)s->apicbase); |
46 | 999e12bb | Anthony Liguori | return s->apicbase;
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47 | 999e12bb | Anthony Liguori | } else {
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48 | dd673288 | Igor Mammedov | trace_cpu_get_apic_base(MSR_IA32_APICBASE_BSP); |
49 | dd673288 | Igor Mammedov | return MSR_IA32_APICBASE_BSP;
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50 | 999e12bb | Anthony Liguori | } |
51 | dae01685 | Jan Kiszka | } |
52 | dae01685 | Jan Kiszka | |
53 | d3b0c9e9 | xiaoqiang zhao | void cpu_set_apic_tpr(DeviceState *dev, uint8_t val)
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54 | dae01685 | Jan Kiszka | { |
55 | 999e12bb | Anthony Liguori | APICCommonState *s; |
56 | 999e12bb | Anthony Liguori | APICCommonClass *info; |
57 | dae01685 | Jan Kiszka | |
58 | d3b0c9e9 | xiaoqiang zhao | if (!dev) {
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59 | 999e12bb | Anthony Liguori | return;
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60 | dae01685 | Jan Kiszka | } |
61 | 999e12bb | Anthony Liguori | |
62 | d3b0c9e9 | xiaoqiang zhao | s = APIC_COMMON(dev); |
63 | 999e12bb | Anthony Liguori | info = APIC_COMMON_GET_CLASS(s); |
64 | 999e12bb | Anthony Liguori | |
65 | 999e12bb | Anthony Liguori | info->set_tpr(s, val); |
66 | dae01685 | Jan Kiszka | } |
67 | dae01685 | Jan Kiszka | |
68 | d3b0c9e9 | xiaoqiang zhao | uint8_t cpu_get_apic_tpr(DeviceState *dev) |
69 | dae01685 | Jan Kiszka | { |
70 | e5ad936b | Jan Kiszka | APICCommonState *s; |
71 | e5ad936b | Jan Kiszka | APICCommonClass *info; |
72 | e5ad936b | Jan Kiszka | |
73 | d3b0c9e9 | xiaoqiang zhao | if (!dev) {
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74 | e5ad936b | Jan Kiszka | return 0; |
75 | e5ad936b | Jan Kiszka | } |
76 | e5ad936b | Jan Kiszka | |
77 | d3b0c9e9 | xiaoqiang zhao | s = APIC_COMMON(dev); |
78 | e5ad936b | Jan Kiszka | info = APIC_COMMON_GET_CLASS(s); |
79 | e5ad936b | Jan Kiszka | |
80 | e5ad936b | Jan Kiszka | return info->get_tpr(s);
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81 | e5ad936b | Jan Kiszka | } |
82 | e5ad936b | Jan Kiszka | |
83 | d3b0c9e9 | xiaoqiang zhao | void apic_enable_tpr_access_reporting(DeviceState *dev, bool enable) |
84 | e5ad936b | Jan Kiszka | { |
85 | d3b0c9e9 | xiaoqiang zhao | APICCommonState *s = APIC_COMMON(dev); |
86 | e5ad936b | Jan Kiszka | APICCommonClass *info = APIC_COMMON_GET_CLASS(s); |
87 | e5ad936b | Jan Kiszka | |
88 | e5ad936b | Jan Kiszka | apic_report_tpr_access = enable; |
89 | e5ad936b | Jan Kiszka | if (info->enable_tpr_reporting) {
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90 | e5ad936b | Jan Kiszka | info->enable_tpr_reporting(s, enable); |
91 | e5ad936b | Jan Kiszka | } |
92 | e5ad936b | Jan Kiszka | } |
93 | e5ad936b | Jan Kiszka | |
94 | d3b0c9e9 | xiaoqiang zhao | void apic_enable_vapic(DeviceState *dev, hwaddr paddr)
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95 | e5ad936b | Jan Kiszka | { |
96 | d3b0c9e9 | xiaoqiang zhao | APICCommonState *s = APIC_COMMON(dev); |
97 | e5ad936b | Jan Kiszka | APICCommonClass *info = APIC_COMMON_GET_CLASS(s); |
98 | dae01685 | Jan Kiszka | |
99 | e5ad936b | Jan Kiszka | s->vapic_paddr = paddr; |
100 | e5ad936b | Jan Kiszka | info->vapic_base_update(s); |
101 | dae01685 | Jan Kiszka | } |
102 | dae01685 | Jan Kiszka | |
103 | d3b0c9e9 | xiaoqiang zhao | void apic_handle_tpr_access_report(DeviceState *dev, target_ulong ip,
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104 | d362e757 | Jan Kiszka | TPRAccess access) |
105 | d362e757 | Jan Kiszka | { |
106 | d3b0c9e9 | xiaoqiang zhao | APICCommonState *s = APIC_COMMON(dev); |
107 | e5ad936b | Jan Kiszka | |
108 | d77953b9 | Andreas Färber | vapic_report_tpr_access(s->vapic, CPU(s->cpu), ip, access); |
109 | d362e757 | Jan Kiszka | } |
110 | d362e757 | Jan Kiszka | |
111 | dae01685 | Jan Kiszka | void apic_report_irq_delivered(int delivered) |
112 | dae01685 | Jan Kiszka | { |
113 | dae01685 | Jan Kiszka | apic_irq_delivered += delivered; |
114 | dae01685 | Jan Kiszka | |
115 | dae01685 | Jan Kiszka | trace_apic_report_irq_delivered(apic_irq_delivered); |
116 | dae01685 | Jan Kiszka | } |
117 | dae01685 | Jan Kiszka | |
118 | dae01685 | Jan Kiszka | void apic_reset_irq_delivered(void) |
119 | dae01685 | Jan Kiszka | { |
120 | dae01685 | Jan Kiszka | trace_apic_reset_irq_delivered(apic_irq_delivered); |
121 | dae01685 | Jan Kiszka | |
122 | dae01685 | Jan Kiszka | apic_irq_delivered = 0;
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123 | dae01685 | Jan Kiszka | } |
124 | dae01685 | Jan Kiszka | |
125 | dae01685 | Jan Kiszka | int apic_get_irq_delivered(void) |
126 | dae01685 | Jan Kiszka | { |
127 | dae01685 | Jan Kiszka | trace_apic_get_irq_delivered(apic_irq_delivered); |
128 | dae01685 | Jan Kiszka | |
129 | dae01685 | Jan Kiszka | return apic_irq_delivered;
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130 | dae01685 | Jan Kiszka | } |
131 | dae01685 | Jan Kiszka | |
132 | d3b0c9e9 | xiaoqiang zhao | void apic_deliver_nmi(DeviceState *dev)
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133 | dae01685 | Jan Kiszka | { |
134 | d3b0c9e9 | xiaoqiang zhao | APICCommonState *s = APIC_COMMON(dev); |
135 | 999e12bb | Anthony Liguori | APICCommonClass *info = APIC_COMMON_GET_CLASS(s); |
136 | dae01685 | Jan Kiszka | |
137 | dae01685 | Jan Kiszka | info->external_nmi(s); |
138 | dae01685 | Jan Kiszka | } |
139 | dae01685 | Jan Kiszka | |
140 | 7a380ca3 | Jan Kiszka | bool apic_next_timer(APICCommonState *s, int64_t current_time)
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141 | 7a380ca3 | Jan Kiszka | { |
142 | 7a380ca3 | Jan Kiszka | int64_t d; |
143 | 7a380ca3 | Jan Kiszka | |
144 | 7a380ca3 | Jan Kiszka | /* We need to store the timer state separately to support APIC
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145 | 7a380ca3 | Jan Kiszka | * implementations that maintain a non-QEMU timer, e.g. inside the
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146 | 7a380ca3 | Jan Kiszka | * host kernel. This open-coded state allows us to migrate between
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147 | 7a380ca3 | Jan Kiszka | * both models. */
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148 | 7a380ca3 | Jan Kiszka | s->timer_expiry = -1;
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149 | 7a380ca3 | Jan Kiszka | |
150 | 7a380ca3 | Jan Kiszka | if (s->lvt[APIC_LVT_TIMER] & APIC_LVT_MASKED) {
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151 | 7a380ca3 | Jan Kiszka | return false; |
152 | 7a380ca3 | Jan Kiszka | } |
153 | 7a380ca3 | Jan Kiszka | |
154 | 7a380ca3 | Jan Kiszka | d = (current_time - s->initial_count_load_time) >> s->count_shift; |
155 | 7a380ca3 | Jan Kiszka | |
156 | 7a380ca3 | Jan Kiszka | if (s->lvt[APIC_LVT_TIMER] & APIC_LVT_TIMER_PERIODIC) {
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157 | 7a380ca3 | Jan Kiszka | if (!s->initial_count) {
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158 | 7a380ca3 | Jan Kiszka | return false; |
159 | 7a380ca3 | Jan Kiszka | } |
160 | 7a380ca3 | Jan Kiszka | d = ((d / ((uint64_t)s->initial_count + 1)) + 1) * |
161 | 7a380ca3 | Jan Kiszka | ((uint64_t)s->initial_count + 1);
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162 | 7a380ca3 | Jan Kiszka | } else {
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163 | 7a380ca3 | Jan Kiszka | if (d >= s->initial_count) {
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164 | 7a380ca3 | Jan Kiszka | return false; |
165 | 7a380ca3 | Jan Kiszka | } |
166 | 7a380ca3 | Jan Kiszka | d = (uint64_t)s->initial_count + 1;
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167 | 7a380ca3 | Jan Kiszka | } |
168 | 7a380ca3 | Jan Kiszka | s->next_time = s->initial_count_load_time + (d << s->count_shift); |
169 | 7a380ca3 | Jan Kiszka | s->timer_expiry = s->next_time; |
170 | 7a380ca3 | Jan Kiszka | return true; |
171 | 7a380ca3 | Jan Kiszka | } |
172 | 7a380ca3 | Jan Kiszka | |
173 | d3b0c9e9 | xiaoqiang zhao | void apic_init_reset(DeviceState *dev)
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174 | dae01685 | Jan Kiszka | { |
175 | d3b0c9e9 | xiaoqiang zhao | APICCommonState *s = APIC_COMMON(dev); |
176 | dae01685 | Jan Kiszka | int i;
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177 | dae01685 | Jan Kiszka | |
178 | dae01685 | Jan Kiszka | if (!s) {
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179 | dae01685 | Jan Kiszka | return;
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180 | dae01685 | Jan Kiszka | } |
181 | dae01685 | Jan Kiszka | s->tpr = 0;
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182 | dae01685 | Jan Kiszka | s->spurious_vec = 0xff;
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183 | dae01685 | Jan Kiszka | s->log_dest = 0;
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184 | dae01685 | Jan Kiszka | s->dest_mode = 0xf;
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185 | dae01685 | Jan Kiszka | memset(s->isr, 0, sizeof(s->isr)); |
186 | dae01685 | Jan Kiszka | memset(s->tmr, 0, sizeof(s->tmr)); |
187 | dae01685 | Jan Kiszka | memset(s->irr, 0, sizeof(s->irr)); |
188 | dae01685 | Jan Kiszka | for (i = 0; i < APIC_LVT_NB; i++) { |
189 | dae01685 | Jan Kiszka | s->lvt[i] = APIC_LVT_MASKED; |
190 | dae01685 | Jan Kiszka | } |
191 | dae01685 | Jan Kiszka | s->esr = 0;
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192 | dae01685 | Jan Kiszka | memset(s->icr, 0, sizeof(s->icr)); |
193 | dae01685 | Jan Kiszka | s->divide_conf = 0;
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194 | dae01685 | Jan Kiszka | s->count_shift = 0;
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195 | dae01685 | Jan Kiszka | s->initial_count = 0;
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196 | dae01685 | Jan Kiszka | s->initial_count_load_time = 0;
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197 | dae01685 | Jan Kiszka | s->next_time = 0;
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198 | dae01685 | Jan Kiszka | s->wait_for_sipi = 1;
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199 | dae01685 | Jan Kiszka | |
200 | 7a380ca3 | Jan Kiszka | if (s->timer) {
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201 | bc72ad67 | Alex Bligh | timer_del(s->timer); |
202 | 7a380ca3 | Jan Kiszka | } |
203 | 7a380ca3 | Jan Kiszka | s->timer_expiry = -1;
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204 | dae01685 | Jan Kiszka | } |
205 | dae01685 | Jan Kiszka | |
206 | d3b0c9e9 | xiaoqiang zhao | void apic_designate_bsp(DeviceState *dev)
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207 | dd673288 | Igor Mammedov | { |
208 | d3b0c9e9 | xiaoqiang zhao | if (dev == NULL) { |
209 | dd673288 | Igor Mammedov | return;
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210 | dd673288 | Igor Mammedov | } |
211 | dd673288 | Igor Mammedov | |
212 | d3b0c9e9 | xiaoqiang zhao | APICCommonState *s = APIC_COMMON(dev); |
213 | dd673288 | Igor Mammedov | s->apicbase |= MSR_IA32_APICBASE_BSP; |
214 | dd673288 | Igor Mammedov | } |
215 | dd673288 | Igor Mammedov | |
216 | d3b0c9e9 | xiaoqiang zhao | static void apic_reset_common(DeviceState *dev) |
217 | dae01685 | Jan Kiszka | { |
218 | d3b0c9e9 | xiaoqiang zhao | APICCommonState *s = APIC_COMMON(dev); |
219 | e5ad936b | Jan Kiszka | APICCommonClass *info = APIC_COMMON_GET_CLASS(s); |
220 | dae01685 | Jan Kiszka | bool bsp;
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221 | dae01685 | Jan Kiszka | |
222 | 60671e58 | Andreas Färber | bsp = cpu_is_bsp(s->cpu); |
223 | dab86234 | Laszlo Ersek | s->apicbase = APIC_DEFAULT_ADDRESS | |
224 | dae01685 | Jan Kiszka | (bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;
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225 | dae01685 | Jan Kiszka | |
226 | e5ad936b | Jan Kiszka | s->vapic_paddr = 0;
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227 | e5ad936b | Jan Kiszka | info->vapic_base_update(s); |
228 | e5ad936b | Jan Kiszka | |
229 | d3b0c9e9 | xiaoqiang zhao | apic_init_reset(dev); |
230 | dae01685 | Jan Kiszka | |
231 | dae01685 | Jan Kiszka | if (bsp) {
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232 | dae01685 | Jan Kiszka | /*
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233 | dae01685 | Jan Kiszka | * LINT0 delivery mode on CPU #0 is set to ExtInt at initialization
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234 | dae01685 | Jan Kiszka | * time typically by BIOS, so PIC interrupt can be delivered to the
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235 | dae01685 | Jan Kiszka | * processor when local APIC is enabled.
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236 | dae01685 | Jan Kiszka | */
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237 | dae01685 | Jan Kiszka | s->lvt[APIC_LVT_LINT0] = 0x700;
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238 | dae01685 | Jan Kiszka | } |
239 | dae01685 | Jan Kiszka | } |
240 | dae01685 | Jan Kiszka | |
241 | dae01685 | Jan Kiszka | /* This function is only used for old state version 1 and 2 */
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242 | dae01685 | Jan Kiszka | static int apic_load_old(QEMUFile *f, void *opaque, int version_id) |
243 | dae01685 | Jan Kiszka | { |
244 | dae01685 | Jan Kiszka | APICCommonState *s = opaque; |
245 | a4aecd28 | Jan Kiszka | APICCommonClass *info = APIC_COMMON_GET_CLASS(s); |
246 | dae01685 | Jan Kiszka | int i;
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247 | dae01685 | Jan Kiszka | |
248 | dae01685 | Jan Kiszka | if (version_id > 2) { |
249 | dae01685 | Jan Kiszka | return -EINVAL;
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250 | dae01685 | Jan Kiszka | } |
251 | dae01685 | Jan Kiszka | |
252 | dae01685 | Jan Kiszka | /* XXX: what if the base changes? (registered memory regions) */
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253 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->apicbase); |
254 | dae01685 | Jan Kiszka | qemu_get_8s(f, &s->id); |
255 | dae01685 | Jan Kiszka | qemu_get_8s(f, &s->arb_id); |
256 | dae01685 | Jan Kiszka | qemu_get_8s(f, &s->tpr); |
257 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->spurious_vec); |
258 | dae01685 | Jan Kiszka | qemu_get_8s(f, &s->log_dest); |
259 | dae01685 | Jan Kiszka | qemu_get_8s(f, &s->dest_mode); |
260 | dae01685 | Jan Kiszka | for (i = 0; i < 8; i++) { |
261 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->isr[i]); |
262 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->tmr[i]); |
263 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->irr[i]); |
264 | dae01685 | Jan Kiszka | } |
265 | dae01685 | Jan Kiszka | for (i = 0; i < APIC_LVT_NB; i++) { |
266 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->lvt[i]); |
267 | dae01685 | Jan Kiszka | } |
268 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->esr); |
269 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->icr[0]);
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270 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->icr[1]);
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271 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->divide_conf); |
272 | dae01685 | Jan Kiszka | s->count_shift = qemu_get_be32(f); |
273 | dae01685 | Jan Kiszka | qemu_get_be32s(f, &s->initial_count); |
274 | dae01685 | Jan Kiszka | s->initial_count_load_time = qemu_get_be64(f); |
275 | dae01685 | Jan Kiszka | s->next_time = qemu_get_be64(f); |
276 | dae01685 | Jan Kiszka | |
277 | dae01685 | Jan Kiszka | if (version_id >= 2) { |
278 | a4aecd28 | Jan Kiszka | s->timer_expiry = qemu_get_be64(f); |
279 | a4aecd28 | Jan Kiszka | } |
280 | a4aecd28 | Jan Kiszka | |
281 | a4aecd28 | Jan Kiszka | if (info->post_load) {
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282 | a4aecd28 | Jan Kiszka | info->post_load(s); |
283 | dae01685 | Jan Kiszka | } |
284 | dae01685 | Jan Kiszka | return 0; |
285 | dae01685 | Jan Kiszka | } |
286 | dae01685 | Jan Kiszka | |
287 | 494c2717 | xiaoqiang zhao | static void apic_common_realize(DeviceState *dev, Error **errp) |
288 | dae01685 | Jan Kiszka | { |
289 | 999e12bb | Anthony Liguori | APICCommonState *s = APIC_COMMON(dev); |
290 | 999e12bb | Anthony Liguori | APICCommonClass *info; |
291 | e5ad936b | Jan Kiszka | static DeviceState *vapic;
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292 | dae01685 | Jan Kiszka | static int apic_no; |
293 | 53a89e26 | Igor Mammedov | static bool mmio_registered; |
294 | dae01685 | Jan Kiszka | |
295 | dae01685 | Jan Kiszka | if (apic_no >= MAX_APICS) {
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296 | 494c2717 | xiaoqiang zhao | error_setg(errp, "%s initialization failed.",
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297 | 494c2717 | xiaoqiang zhao | object_get_typename(OBJECT(dev))); |
298 | 494c2717 | xiaoqiang zhao | return;
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299 | dae01685 | Jan Kiszka | } |
300 | dae01685 | Jan Kiszka | s->idx = apic_no++; |
301 | dae01685 | Jan Kiszka | |
302 | 999e12bb | Anthony Liguori | info = APIC_COMMON_GET_CLASS(s); |
303 | 494c2717 | xiaoqiang zhao | info->realize(dev, errp); |
304 | 53a89e26 | Igor Mammedov | if (!mmio_registered) {
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305 | 494c2717 | xiaoqiang zhao | ICCBus *b = ICC_BUS(qdev_get_parent_bus(dev)); |
306 | 53a89e26 | Igor Mammedov | memory_region_add_subregion(b->apic_address_space, 0, &s->io_memory);
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307 | 53a89e26 | Igor Mammedov | mmio_registered = true;
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308 | 53a89e26 | Igor Mammedov | } |
309 | e5ad936b | Jan Kiszka | |
310 | a9605e03 | Jan Kiszka | /* Note: We need at least 1M to map the VAPIC option ROM */
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311 | a9605e03 | Jan Kiszka | if (!vapic && s->vapic_control & VAPIC_ENABLE_MASK &&
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312 | a9605e03 | Jan Kiszka | ram_size >= 1024 * 1024) { |
313 | e5ad936b | Jan Kiszka | vapic = sysbus_create_simple("kvmvapic", -1, NULL); |
314 | e5ad936b | Jan Kiszka | } |
315 | e5ad936b | Jan Kiszka | s->vapic = vapic; |
316 | e5ad936b | Jan Kiszka | if (apic_report_tpr_access && info->enable_tpr_reporting) {
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317 | e5ad936b | Jan Kiszka | info->enable_tpr_reporting(s, true);
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318 | e5ad936b | Jan Kiszka | } |
319 | e5ad936b | Jan Kiszka | |
320 | dae01685 | Jan Kiszka | } |
321 | dae01685 | Jan Kiszka | |
322 | e5ad936b | Jan Kiszka | static void apic_dispatch_pre_save(void *opaque) |
323 | e5ad936b | Jan Kiszka | { |
324 | e5ad936b | Jan Kiszka | APICCommonState *s = APIC_COMMON(opaque); |
325 | e5ad936b | Jan Kiszka | APICCommonClass *info = APIC_COMMON_GET_CLASS(s); |
326 | e5ad936b | Jan Kiszka | |
327 | e5ad936b | Jan Kiszka | if (info->pre_save) {
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328 | e5ad936b | Jan Kiszka | info->pre_save(s); |
329 | e5ad936b | Jan Kiszka | } |
330 | e5ad936b | Jan Kiszka | } |
331 | e5ad936b | Jan Kiszka | |
332 | 7a380ca3 | Jan Kiszka | static int apic_dispatch_post_load(void *opaque, int version_id) |
333 | 7a380ca3 | Jan Kiszka | { |
334 | 999e12bb | Anthony Liguori | APICCommonState *s = APIC_COMMON(opaque); |
335 | 999e12bb | Anthony Liguori | APICCommonClass *info = APIC_COMMON_GET_CLASS(s); |
336 | 7a380ca3 | Jan Kiszka | |
337 | 7a380ca3 | Jan Kiszka | if (info->post_load) {
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338 | 7a380ca3 | Jan Kiszka | info->post_load(s); |
339 | 7a380ca3 | Jan Kiszka | } |
340 | 7a380ca3 | Jan Kiszka | return 0; |
341 | 7a380ca3 | Jan Kiszka | } |
342 | 7a380ca3 | Jan Kiszka | |
343 | dae01685 | Jan Kiszka | static const VMStateDescription vmstate_apic_common = { |
344 | dae01685 | Jan Kiszka | .name = "apic",
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345 | dae01685 | Jan Kiszka | .version_id = 3,
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346 | dae01685 | Jan Kiszka | .minimum_version_id = 3,
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347 | dae01685 | Jan Kiszka | .minimum_version_id_old = 1,
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348 | dae01685 | Jan Kiszka | .load_state_old = apic_load_old, |
349 | e5ad936b | Jan Kiszka | .pre_save = apic_dispatch_pre_save, |
350 | 7a380ca3 | Jan Kiszka | .post_load = apic_dispatch_post_load, |
351 | dae01685 | Jan Kiszka | .fields = (VMStateField[]) { |
352 | dae01685 | Jan Kiszka | VMSTATE_UINT32(apicbase, APICCommonState), |
353 | dae01685 | Jan Kiszka | VMSTATE_UINT8(id, APICCommonState), |
354 | dae01685 | Jan Kiszka | VMSTATE_UINT8(arb_id, APICCommonState), |
355 | dae01685 | Jan Kiszka | VMSTATE_UINT8(tpr, APICCommonState), |
356 | dae01685 | Jan Kiszka | VMSTATE_UINT32(spurious_vec, APICCommonState), |
357 | dae01685 | Jan Kiszka | VMSTATE_UINT8(log_dest, APICCommonState), |
358 | dae01685 | Jan Kiszka | VMSTATE_UINT8(dest_mode, APICCommonState), |
359 | dae01685 | Jan Kiszka | VMSTATE_UINT32_ARRAY(isr, APICCommonState, 8),
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360 | dae01685 | Jan Kiszka | VMSTATE_UINT32_ARRAY(tmr, APICCommonState, 8),
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361 | dae01685 | Jan Kiszka | VMSTATE_UINT32_ARRAY(irr, APICCommonState, 8),
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362 | dae01685 | Jan Kiszka | VMSTATE_UINT32_ARRAY(lvt, APICCommonState, APIC_LVT_NB), |
363 | dae01685 | Jan Kiszka | VMSTATE_UINT32(esr, APICCommonState), |
364 | dae01685 | Jan Kiszka | VMSTATE_UINT32_ARRAY(icr, APICCommonState, 2),
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365 | dae01685 | Jan Kiszka | VMSTATE_UINT32(divide_conf, APICCommonState), |
366 | dae01685 | Jan Kiszka | VMSTATE_INT32(count_shift, APICCommonState), |
367 | dae01685 | Jan Kiszka | VMSTATE_UINT32(initial_count, APICCommonState), |
368 | dae01685 | Jan Kiszka | VMSTATE_INT64(initial_count_load_time, APICCommonState), |
369 | dae01685 | Jan Kiszka | VMSTATE_INT64(next_time, APICCommonState), |
370 | 7a380ca3 | Jan Kiszka | VMSTATE_INT64(timer_expiry, |
371 | 7a380ca3 | Jan Kiszka | APICCommonState), /* open-coded timer state */
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372 | dae01685 | Jan Kiszka | VMSTATE_END_OF_LIST() |
373 | dae01685 | Jan Kiszka | } |
374 | dae01685 | Jan Kiszka | }; |
375 | dae01685 | Jan Kiszka | |
376 | dae01685 | Jan Kiszka | static Property apic_properties_common[] = {
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377 | dae01685 | Jan Kiszka | DEFINE_PROP_UINT8("id", APICCommonState, id, -1), |
378 | e5ad936b | Jan Kiszka | DEFINE_PROP_BIT("vapic", APICCommonState, vapic_control, VAPIC_ENABLE_BIT,
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379 | e5ad936b | Jan Kiszka | true),
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380 | dae01685 | Jan Kiszka | DEFINE_PROP_END_OF_LIST(), |
381 | dae01685 | Jan Kiszka | }; |
382 | dae01685 | Jan Kiszka | |
383 | 999e12bb | Anthony Liguori | static void apic_common_class_init(ObjectClass *klass, void *data) |
384 | 999e12bb | Anthony Liguori | { |
385 | 53a89e26 | Igor Mammedov | ICCDeviceClass *idc = ICC_DEVICE_CLASS(klass); |
386 | 39bffca2 | Anthony Liguori | DeviceClass *dc = DEVICE_CLASS(klass); |
387 | 999e12bb | Anthony Liguori | |
388 | 39bffca2 | Anthony Liguori | dc->vmsd = &vmstate_apic_common; |
389 | 39bffca2 | Anthony Liguori | dc->reset = apic_reset_common; |
390 | 39bffca2 | Anthony Liguori | dc->props = apic_properties_common; |
391 | 494c2717 | xiaoqiang zhao | idc->realize = apic_common_realize; |
392 | f37a4374 | Markus Armbruster | /*
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393 | f37a4374 | Markus Armbruster | * Reason: APIC and CPU need to be wired up by
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394 | f37a4374 | Markus Armbruster | * x86_cpu_apic_create()
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395 | f37a4374 | Markus Armbruster | */
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396 | f37a4374 | Markus Armbruster | dc->cannot_instantiate_with_device_add_yet = true;
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397 | 999e12bb | Anthony Liguori | } |
398 | dae01685 | Jan Kiszka | |
399 | 8c43a6f0 | Andreas Färber | static const TypeInfo apic_common_type = { |
400 | 999e12bb | Anthony Liguori | .name = TYPE_APIC_COMMON, |
401 | 53a89e26 | Igor Mammedov | .parent = TYPE_ICC_DEVICE, |
402 | 999e12bb | Anthony Liguori | .instance_size = sizeof(APICCommonState),
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403 | 999e12bb | Anthony Liguori | .class_size = sizeof(APICCommonClass),
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404 | 999e12bb | Anthony Liguori | .class_init = apic_common_class_init, |
405 | 999e12bb | Anthony Liguori | .abstract = true,
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406 | 999e12bb | Anthony Liguori | }; |
407 | 999e12bb | Anthony Liguori | |
408 | d3b0c9e9 | xiaoqiang zhao | static void apic_common_register_types(void) |
409 | 999e12bb | Anthony Liguori | { |
410 | 999e12bb | Anthony Liguori | type_register_static(&apic_common_type); |
411 | 999e12bb | Anthony Liguori | } |
412 | 999e12bb | Anthony Liguori | |
413 | d3b0c9e9 | xiaoqiang zhao | type_init(apic_common_register_types) |