src/paravirt.h

#ifndef __PV_H
#define __PV_H

#include "config.h" // CONFIG_*
#include "biosvar.h" // GET_GLOBAL

// Types of paravirtualized platforms.
#define PF_QEMU     (1<<0)
#define PF_XEN      (1<<1)
#define PF_KVM      (1<<2)

// misc.c
extern int PlatformRunningOn;

static inline int runningOnQEMU(void) {
    return CONFIG_QEMU || (
        CONFIG_QEMU_HARDWARE && GET_GLOBAL(PlatformRunningOn) & PF_QEMU);
}
static inline int runningOnXen(void) {
    return CONFIG_XEN && GET_GLOBAL(PlatformRunningOn) & PF_XEN;
}
static inline int runningOnKVM(void) {
    return CONFIG_QEMU && GET_GLOBAL(PlatformRunningOn) & PF_KVM;
}

void qemu_ramsize_preinit(void);
void qemu_biostable_setup(void);
void qemu_cfg_init(void);

#endif