mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-30 15:38:06 +01:00
27 lines
646 B
C
27 lines
646 B
C
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
|
|
#include <machine/xen/xen-os.h>
|
|
#include <xen/hypervisor.h>
|
|
#include <xen/features.h>
|
|
|
|
uint8_t xen_features[XENFEAT_NR_SUBMAPS * 32] /* __read_mostly */;
|
|
|
|
void
|
|
setup_xen_features(void)
|
|
{
|
|
xen_feature_info_t fi;
|
|
int i, j;
|
|
|
|
for (i = 0; i < XENFEAT_NR_SUBMAPS; i++) {
|
|
fi.submap_idx = i;
|
|
if (HYPERVISOR_xen_version(XENVER_get_features, &fi) < 0)
|
|
break;
|
|
for (j = 0; j < 32; j++)
|
|
xen_features[i*32 + j] = !!(fi.submap & 1<<j);
|
|
}
|
|
}
|