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1 | 05330448 | aliguori | /*
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2 | 05330448 | aliguori | * QEMU KVM support
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3 | 05330448 | aliguori | *
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4 | 05330448 | aliguori | * Copyright IBM, Corp. 2008
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5 | 05330448 | aliguori | *
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6 | 05330448 | aliguori | * Authors:
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7 | 05330448 | aliguori | * Anthony Liguori <aliguori@us.ibm.com>
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8 | 05330448 | aliguori | *
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9 | 05330448 | aliguori | * This work is licensed under the terms of the GNU GPL, version 2 or later.
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10 | 05330448 | aliguori | * See the COPYING file in the top-level directory.
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11 | 05330448 | aliguori | *
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12 | 05330448 | aliguori | */
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13 | 05330448 | aliguori | |
14 | 05330448 | aliguori | #ifndef QEMU_KVM_H
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15 | 05330448 | aliguori | #define QEMU_KVM_H
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16 | 05330448 | aliguori | |
17 | ca821806 | Michael S. Tsirkin | #include <errno.h> |
18 | 1c14f162 | Blue Swirl | #include "config-host.h" |
19 | 72cf2d4f | Blue Swirl | #include "qemu-queue.h" |
20 | 05330448 | aliguori | |
21 | ca821806 | Michael S. Tsirkin | #ifdef CONFIG_KVM
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22 | ca821806 | Michael S. Tsirkin | #include <linux/kvm.h> |
23 | ca821806 | Michael S. Tsirkin | #endif
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24 | 05330448 | aliguori | |
25 | ca821806 | Michael S. Tsirkin | extern int kvm_allowed; |
26 | 3d4b2649 | Jan Kiszka | extern bool kvm_kernel_irqchip; |
27 | 98c8573e | Paolo Bonzini | |
28 | 98c8573e | Paolo Bonzini | #if defined CONFIG_KVM || !defined NEED_CPU_H
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29 | 3d4b2649 | Jan Kiszka | #define kvm_enabled() (kvm_allowed)
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30 | 3d4b2649 | Jan Kiszka | #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip)
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31 | 05330448 | aliguori | #else
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32 | 3d4b2649 | Jan Kiszka | #define kvm_enabled() (0) |
33 | 3d4b2649 | Jan Kiszka | #define kvm_irqchip_in_kernel() (false) |
34 | 05330448 | aliguori | #endif
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35 | 05330448 | aliguori | |
36 | 05330448 | aliguori | struct kvm_run;
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37 | 680c1c6f | Jan Kiszka | struct kvm_lapic_state;
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38 | 05330448 | aliguori | |
39 | 94a8d39a | Jan Kiszka | typedef struct KVMCapabilityInfo { |
40 | 94a8d39a | Jan Kiszka | const char *name; |
41 | 94a8d39a | Jan Kiszka | int value;
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42 | 94a8d39a | Jan Kiszka | } KVMCapabilityInfo; |
43 | 94a8d39a | Jan Kiszka | |
44 | 94a8d39a | Jan Kiszka | #define KVM_CAP_INFO(CAP) { "KVM_CAP_" stringify(CAP), KVM_CAP_##CAP } |
45 | 94a8d39a | Jan Kiszka | #define KVM_CAP_LAST_INFO { NULL, 0 } |
46 | 94a8d39a | Jan Kiszka | |
47 | 05330448 | aliguori | /* external API */
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48 | 05330448 | aliguori | |
49 | cad1e282 | Jan Kiszka | int kvm_init(void); |
50 | 05330448 | aliguori | |
51 | 00a1555e | Paolo Bonzini | int kvm_has_sync_mmu(void); |
52 | 00a1555e | Paolo Bonzini | int kvm_has_vcpu_events(void); |
53 | 00a1555e | Paolo Bonzini | int kvm_has_robust_singlestep(void); |
54 | ff44f1a3 | Jan Kiszka | int kvm_has_debugregs(void); |
55 | f1665b21 | Sheng Yang | int kvm_has_xsave(void); |
56 | f1665b21 | Sheng Yang | int kvm_has_xcrs(void); |
57 | 8a7c7393 | Jan Kiszka | int kvm_has_pit_state2(void); |
58 | d2f2b8a7 | Stefan Hajnoczi | int kvm_has_many_ioeventfds(void); |
59 | 84b058d7 | Jan Kiszka | int kvm_has_gsi_routing(void); |
60 | 00a1555e | Paolo Bonzini | |
61 | 9b5b76d4 | Jan Kiszka | int kvm_allows_irq0_override(void); |
62 | 9b5b76d4 | Jan Kiszka | |
63 | 1c14f162 | Blue Swirl | #ifdef NEED_CPU_H
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64 | 9349b4f9 | Andreas Färber | int kvm_init_vcpu(CPUArchState *env);
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65 | 05330448 | aliguori | |
66 | 9349b4f9 | Andreas Färber | int kvm_cpu_exec(CPUArchState *env);
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67 | 05330448 | aliguori | |
68 | b3755a91 | Paul Brook | #if !defined(CONFIG_USER_ONLY)
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69 | 6f0437e8 | Jan Kiszka | void kvm_setup_guest_memory(void *start, size_t size); |
70 | 6f0437e8 | Jan Kiszka | |
71 | c227f099 | Anthony Liguori | int kvm_coalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
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72 | c227f099 | Anthony Liguori | int kvm_uncoalesce_mmio_region(target_phys_addr_t start, ram_addr_t size);
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73 | 62a2744c | Sheng Yang | void kvm_flush_coalesced_mmio_buffer(void); |
74 | b3755a91 | Paul Brook | #endif
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75 | f65ed4c1 | aliguori | |
76 | 9349b4f9 | Andreas Färber | int kvm_insert_breakpoint(CPUArchState *current_env, target_ulong addr,
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77 | e22a25c9 | aliguori | target_ulong len, int type);
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78 | 9349b4f9 | Andreas Färber | int kvm_remove_breakpoint(CPUArchState *current_env, target_ulong addr,
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79 | e22a25c9 | aliguori | target_ulong len, int type);
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80 | 9349b4f9 | Andreas Färber | void kvm_remove_all_breakpoints(CPUArchState *current_env);
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81 | 9349b4f9 | Andreas Färber | int kvm_update_guest_debug(CPUArchState *env, unsigned long reinject_trap); |
82 | 20c20526 | Blue Swirl | #ifndef _WIN32
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83 | 9349b4f9 | Andreas Färber | int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset); |
84 | 20c20526 | Blue Swirl | #endif
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85 | e22a25c9 | aliguori | |
86 | 9349b4f9 | Andreas Färber | int kvm_on_sigbus_vcpu(CPUArchState *env, int code, void *addr); |
87 | a1b87fe0 | Jan Kiszka | int kvm_on_sigbus(int code, void *addr); |
88 | a1b87fe0 | Jan Kiszka | |
89 | 05330448 | aliguori | /* internal API */
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90 | 05330448 | aliguori | |
91 | 05330448 | aliguori | struct KVMState;
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92 | 05330448 | aliguori | typedef struct KVMState KVMState; |
93 | 6a7af8cb | Jan Kiszka | extern KVMState *kvm_state;
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94 | 05330448 | aliguori | |
95 | 984b5181 | aliguori | int kvm_ioctl(KVMState *s, int type, ...); |
96 | 05330448 | aliguori | |
97 | 984b5181 | aliguori | int kvm_vm_ioctl(KVMState *s, int type, ...); |
98 | 05330448 | aliguori | |
99 | 9349b4f9 | Andreas Färber | int kvm_vcpu_ioctl(CPUArchState *env, int type, ...); |
100 | 05330448 | aliguori | |
101 | 05330448 | aliguori | /* Arch specific hooks */
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102 | 05330448 | aliguori | |
103 | 94a8d39a | Jan Kiszka | extern const KVMCapabilityInfo kvm_arch_required_capabilities[]; |
104 | 94a8d39a | Jan Kiszka | |
105 | 9349b4f9 | Andreas Färber | void kvm_arch_pre_run(CPUArchState *env, struct kvm_run *run); |
106 | 9349b4f9 | Andreas Färber | void kvm_arch_post_run(CPUArchState *env, struct kvm_run *run); |
107 | 05330448 | aliguori | |
108 | 9349b4f9 | Andreas Färber | int kvm_arch_handle_exit(CPUArchState *env, struct kvm_run *run); |
109 | 05330448 | aliguori | |
110 | 9349b4f9 | Andreas Färber | int kvm_arch_process_async_events(CPUArchState *env);
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111 | 0af691d7 | Marcelo Tosatti | |
112 | 9349b4f9 | Andreas Färber | int kvm_arch_get_registers(CPUArchState *env);
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113 | 05330448 | aliguori | |
114 | ea375f9a | Jan Kiszka | /* state subset only touched by the VCPU itself during runtime */
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115 | ea375f9a | Jan Kiszka | #define KVM_PUT_RUNTIME_STATE 1 |
116 | ea375f9a | Jan Kiszka | /* state subset modified during VCPU reset */
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117 | ea375f9a | Jan Kiszka | #define KVM_PUT_RESET_STATE 2 |
118 | ea375f9a | Jan Kiszka | /* full state set, modified during initialization or on vmload */
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119 | ea375f9a | Jan Kiszka | #define KVM_PUT_FULL_STATE 3 |
120 | ea375f9a | Jan Kiszka | |
121 | 9349b4f9 | Andreas Färber | int kvm_arch_put_registers(CPUArchState *env, int level); |
122 | 05330448 | aliguori | |
123 | cad1e282 | Jan Kiszka | int kvm_arch_init(KVMState *s);
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124 | 05330448 | aliguori | |
125 | 9349b4f9 | Andreas Färber | int kvm_arch_init_vcpu(CPUArchState *env);
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126 | 05330448 | aliguori | |
127 | 9349b4f9 | Andreas Färber | void kvm_arch_reset_vcpu(CPUArchState *env);
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128 | caa5af0f | Jan Kiszka | |
129 | 9349b4f9 | Andreas Färber | int kvm_arch_on_sigbus_vcpu(CPUArchState *env, int code, void *addr); |
130 | a1b87fe0 | Jan Kiszka | int kvm_arch_on_sigbus(int code, void *addr); |
131 | c0532a76 | Marcelo Tosatti | |
132 | 84b058d7 | Jan Kiszka | void kvm_arch_init_irq_routing(KVMState *s);
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133 | 84b058d7 | Jan Kiszka | |
134 | 84b058d7 | Jan Kiszka | int kvm_irqchip_set_irq(KVMState *s, int irq, int level); |
135 | 84b058d7 | Jan Kiszka | |
136 | 84b058d7 | Jan Kiszka | void kvm_irqchip_add_route(KVMState *s, int gsi, int irqchip, int pin); |
137 | 84b058d7 | Jan Kiszka | int kvm_irqchip_commit_routes(KVMState *s);
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138 | 84b058d7 | Jan Kiszka | |
139 | 680c1c6f | Jan Kiszka | void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); |
140 | 680c1c6f | Jan Kiszka | void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic); |
141 | 680c1c6f | Jan Kiszka | |
142 | e22a25c9 | aliguori | struct kvm_guest_debug;
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143 | e22a25c9 | aliguori | struct kvm_debug_exit_arch;
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144 | e22a25c9 | aliguori | |
145 | e22a25c9 | aliguori | struct kvm_sw_breakpoint {
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146 | e22a25c9 | aliguori | target_ulong pc; |
147 | e22a25c9 | aliguori | target_ulong saved_insn; |
148 | e22a25c9 | aliguori | int use_count;
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149 | 72cf2d4f | Blue Swirl | QTAILQ_ENTRY(kvm_sw_breakpoint) entry; |
150 | e22a25c9 | aliguori | }; |
151 | e22a25c9 | aliguori | |
152 | 72cf2d4f | Blue Swirl | QTAILQ_HEAD(kvm_sw_breakpoint_head, kvm_sw_breakpoint); |
153 | e22a25c9 | aliguori | |
154 | 9349b4f9 | Andreas Färber | struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUArchState *env,
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155 | e22a25c9 | aliguori | target_ulong pc); |
156 | e22a25c9 | aliguori | |
157 | 9349b4f9 | Andreas Färber | int kvm_sw_breakpoints_active(CPUArchState *env);
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158 | e22a25c9 | aliguori | |
159 | 9349b4f9 | Andreas Färber | int kvm_arch_insert_sw_breakpoint(CPUArchState *current_env,
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160 | e22a25c9 | aliguori | struct kvm_sw_breakpoint *bp);
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161 | 9349b4f9 | Andreas Färber | int kvm_arch_remove_sw_breakpoint(CPUArchState *current_env,
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162 | e22a25c9 | aliguori | struct kvm_sw_breakpoint *bp);
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163 | e22a25c9 | aliguori | int kvm_arch_insert_hw_breakpoint(target_ulong addr,
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164 | e22a25c9 | aliguori | target_ulong len, int type);
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165 | e22a25c9 | aliguori | int kvm_arch_remove_hw_breakpoint(target_ulong addr,
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166 | e22a25c9 | aliguori | target_ulong len, int type);
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167 | e22a25c9 | aliguori | void kvm_arch_remove_all_hw_breakpoints(void); |
168 | e22a25c9 | aliguori | |
169 | 9349b4f9 | Andreas Färber | void kvm_arch_update_guest_debug(CPUArchState *env, struct kvm_guest_debug *dbg); |
170 | e22a25c9 | aliguori | |
171 | 9349b4f9 | Andreas Färber | bool kvm_arch_stop_on_emulation_error(CPUArchState *env);
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172 | 4513d923 | Gleb Natapov | |
173 | ad7b8b33 | Anthony Liguori | int kvm_check_extension(KVMState *s, unsigned int extension); |
174 | ad7b8b33 | Anthony Liguori | |
175 | ba9bc59e | Jan Kiszka | uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, |
176 | c958a8bd | Sheng Yang | uint32_t index, int reg);
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177 | 9349b4f9 | Andreas Färber | void kvm_cpu_synchronize_state(CPUArchState *env);
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178 | 9349b4f9 | Andreas Färber | void kvm_cpu_synchronize_post_reset(CPUArchState *env);
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179 | 9349b4f9 | Andreas Färber | void kvm_cpu_synchronize_post_init(CPUArchState *env);
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180 | b827df58 | Avi Kivity | |
181 | e22a25c9 | aliguori | /* generic hooks - to be moved/refactored once there are more users */
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182 | e22a25c9 | aliguori | |
183 | 9349b4f9 | Andreas Färber | static inline void cpu_synchronize_state(CPUArchState *env) |
184 | e22a25c9 | aliguori | { |
185 | e22a25c9 | aliguori | if (kvm_enabled()) {
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186 | 4c0960c0 | Avi Kivity | kvm_cpu_synchronize_state(env); |
187 | e22a25c9 | aliguori | } |
188 | e22a25c9 | aliguori | } |
189 | e22a25c9 | aliguori | |
190 | 9349b4f9 | Andreas Färber | static inline void cpu_synchronize_post_reset(CPUArchState *env) |
191 | ea375f9a | Jan Kiszka | { |
192 | ea375f9a | Jan Kiszka | if (kvm_enabled()) {
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193 | ea375f9a | Jan Kiszka | kvm_cpu_synchronize_post_reset(env); |
194 | ea375f9a | Jan Kiszka | } |
195 | ea375f9a | Jan Kiszka | } |
196 | ea375f9a | Jan Kiszka | |
197 | 9349b4f9 | Andreas Färber | static inline void cpu_synchronize_post_init(CPUArchState *env) |
198 | ea375f9a | Jan Kiszka | { |
199 | ea375f9a | Jan Kiszka | if (kvm_enabled()) {
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200 | ea375f9a | Jan Kiszka | kvm_cpu_synchronize_post_init(env); |
201 | ea375f9a | Jan Kiszka | } |
202 | ea375f9a | Jan Kiszka | } |
203 | ca821806 | Michael S. Tsirkin | |
204 | 983dfc3b | Huang Ying | |
205 | 983dfc3b | Huang Ying | #if !defined(CONFIG_USER_ONLY)
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206 | 9f213ed9 | Avi Kivity | int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, |
207 | 9f213ed9 | Avi Kivity | target_phys_addr_t *phys_addr); |
208 | 983dfc3b | Huang Ying | #endif
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209 | 983dfc3b | Huang Ying | |
210 | ca821806 | Michael S. Tsirkin | #endif
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211 | 4b8f1c88 | Michael S. Tsirkin | int kvm_set_ioeventfd_mmio(int fd, uint32_t adr, uint32_t val, bool assign, |
212 | 4b8f1c88 | Michael S. Tsirkin | uint32_t size); |
213 | ca821806 | Michael S. Tsirkin | |
214 | 98c8573e | Paolo Bonzini | int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign); |
215 | 05330448 | aliguori | #endif |