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/**
* machine_specific_* - Hooks for machine specific setup.
*
* Description:
* This is included late in kernel/setup.c so that it can make
* use of all of the static functions.
**/
#include <xen/interface/callback.h>
extern void hypervisor_callback(void);
extern void failsafe_callback(void);
extern void nmi(void);
static void __init machine_specific_arch_setup(void)
{
int ret;
struct callback_register event = {
.type = CALLBACKTYPE_event,
.address = (unsigned long) hypervisor_callback,
};
struct callback_register failsafe = {
.type = CALLBACKTYPE_failsafe,
.address = (unsigned long)failsafe_callback,
};
struct callback_register syscall = {
.type = CALLBACKTYPE_syscall,
.address = (unsigned long)system_call,
};
#ifdef CONFIG_X86_LOCAL_APIC
struct callback_register nmi_cb = {
.type = CALLBACKTYPE_nmi,
.address = (unsigned long)nmi,
};
#endif
ret = HYPERVISOR_callback_op(CALLBACKOP_register, &event);
if (ret == 0)
ret = HYPERVISOR_callback_op(CALLBACKOP_register, &failsafe);
if (ret == 0)
ret = HYPERVISOR_callback_op(CALLBACKOP_register, &syscall);
if (ret == -ENOSYS)
ret = HYPERVISOR_set_callbacks(
event.address,
failsafe.address,
syscall.address);
BUG_ON(ret);
#ifdef CONFIG_X86_LOCAL_APIC
ret = HYPERVISOR_callback_op(CALLBACKOP_register, &nmi_cb);
if (ret == -ENOSYS) {
struct xennmi_callback cb;
cb.handler_address = nmi_cb.address;
HYPERVISOR_nmi_op(XENNMI_register_callback, &cb);
}
#endif
}
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