hw/ds1338: Remove 'now' field from state struct
[qemu/pbrook.git] / hw / xen_apic.c
bloba9e101f31548dc9e8fd94674437b3f3c30eaa1cd
1 /*
2 * Xen basic APIC support
4 * Copyright (c) 2012 Citrix
6 * Authors:
7 * Wei Liu <wei.liu2@citrix.com>
9 * This work is licensed under the terms of the GNU GPL version 2 or
10 * later. See the COPYING file in the top-level directory.
12 #include "hw/apic_internal.h"
13 #include "hw/msi.h"
14 #include "xen.h"
16 static uint64_t xen_apic_mem_read(void *opaque, target_phys_addr_t addr,
17 unsigned size)
19 return ~(uint64_t)0;
22 static void xen_apic_mem_write(void *opaque, target_phys_addr_t addr,
23 uint64_t data, unsigned size)
25 if (size != sizeof(uint32_t)) {
26 fprintf(stderr, "Xen: APIC write data size = %d, invalid\n", size);
27 return;
30 xen_hvm_inject_msi(addr, data);
33 static const MemoryRegionOps xen_apic_io_ops = {
34 .read = xen_apic_mem_read,
35 .write = xen_apic_mem_write,
36 .endianness = DEVICE_NATIVE_ENDIAN,
39 static void xen_apic_init(APICCommonState *s)
41 memory_region_init_io(&s->io_memory, &xen_apic_io_ops, s, "xen-apic-msi",
42 MSI_SPACE_SIZE);
44 #if defined(CONFIG_XEN_CTRL_INTERFACE_VERSION) \
45 && CONFIG_XEN_CTRL_INTERFACE_VERSION >= 420
46 msi_supported = true;
47 #endif
50 static void xen_apic_set_base(APICCommonState *s, uint64_t val)
54 static void xen_apic_set_tpr(APICCommonState *s, uint8_t val)
58 static uint8_t xen_apic_get_tpr(APICCommonState *s)
60 return 0;
63 static void xen_apic_vapic_base_update(APICCommonState *s)
67 static void xen_apic_external_nmi(APICCommonState *s)
71 static void xen_apic_class_init(ObjectClass *klass, void *data)
73 APICCommonClass *k = APIC_COMMON_CLASS(klass);
75 k->init = xen_apic_init;
76 k->set_base = xen_apic_set_base;
77 k->set_tpr = xen_apic_set_tpr;
78 k->get_tpr = xen_apic_get_tpr;
79 k->vapic_base_update = xen_apic_vapic_base_update;
80 k->external_nmi = xen_apic_external_nmi;
83 static TypeInfo xen_apic_info = {
84 .name = "xen-apic",
85 .parent = TYPE_APIC_COMMON,
86 .instance_size = sizeof(APICCommonState),
87 .class_init = xen_apic_class_init,
90 static void xen_apic_register_types(void)
92 type_register_static(&xen_apic_info);
95 type_init(xen_apic_register_types)