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author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/hw/i386/xen/xen_apic.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/hw/i386/xen/xen_apic.c')
-rw-r--r-- | qemu/hw/i386/xen/xen_apic.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/qemu/hw/i386/xen/xen_apic.c b/qemu/hw/i386/xen/xen_apic.c new file mode 100644 index 000000000..f5acd6a09 --- /dev/null +++ b/qemu/hw/i386/xen/xen_apic.c @@ -0,0 +1,98 @@ +/* + * Xen basic APIC support + * + * Copyright (c) 2012 Citrix + * + * Authors: + * Wei Liu <wei.liu2@citrix.com> + * + * This work is licensed under the terms of the GNU GPL version 2 or + * later. See the COPYING file in the top-level directory. + */ +#include "hw/i386/apic_internal.h" +#include "hw/pci/msi.h" +#include "hw/xen/xen.h" + +static uint64_t xen_apic_mem_read(void *opaque, hwaddr addr, + unsigned size) +{ + return ~(uint64_t)0; +} + +static void xen_apic_mem_write(void *opaque, hwaddr addr, + uint64_t data, unsigned size) +{ + if (size != sizeof(uint32_t)) { + fprintf(stderr, "Xen: APIC write data size = %d, invalid\n", size); + return; + } + + xen_hvm_inject_msi(addr, data); +} + +static const MemoryRegionOps xen_apic_io_ops = { + .read = xen_apic_mem_read, + .write = xen_apic_mem_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static void xen_apic_realize(DeviceState *dev, Error **errp) +{ + APICCommonState *s = APIC_COMMON(dev); + + s->vapic_control = 0; + memory_region_init_io(&s->io_memory, OBJECT(s), &xen_apic_io_ops, s, + "xen-apic-msi", APIC_SPACE_SIZE); + +#if defined(CONFIG_XEN_CTRL_INTERFACE_VERSION) \ + && CONFIG_XEN_CTRL_INTERFACE_VERSION >= 420 + msi_supported = true; +#endif +} + +static void xen_apic_set_base(APICCommonState *s, uint64_t val) +{ +} + +static void xen_apic_set_tpr(APICCommonState *s, uint8_t val) +{ +} + +static uint8_t xen_apic_get_tpr(APICCommonState *s) +{ + return 0; +} + +static void xen_apic_vapic_base_update(APICCommonState *s) +{ +} + +static void xen_apic_external_nmi(APICCommonState *s) +{ +} + +static void xen_apic_class_init(ObjectClass *klass, void *data) +{ + APICCommonClass *k = APIC_COMMON_CLASS(klass); + + k->realize = xen_apic_realize; + k->set_base = xen_apic_set_base; + k->set_tpr = xen_apic_set_tpr; + k->get_tpr = xen_apic_get_tpr; + k->vapic_base_update = xen_apic_vapic_base_update; + k->external_nmi = xen_apic_external_nmi; +} + +static const TypeInfo xen_apic_info = { + .name = "xen-apic", + .parent = TYPE_APIC_COMMON, + .instance_size = sizeof(APICCommonState), + .class_init = xen_apic_class_init, +}; + +static void xen_apic_register_types(void) +{ + type_register_static(&xen_apic_info); +} + +type_init(xen_apic_register_types) |