#include <zephyr/xen/public/xen.h>

Macros
#define	XEN_PAGE_SIZE 4096

#define	XEN_PAGE_SHIFT 12

#define	XEN_PFN_UP(x) (unsigned long)(((x) + XEN_PAGE_SIZE-1) >> XEN_PAGE_SHIFT)

#define	XEN_PFN_DOWN(x) (unsigned long)((x) >> XEN_PAGE_SHIFT)

#define	XEN_PFN_PHYS(x) ((unsigned long)(x) << XEN_PAGE_SHIFT)

#define	XEN_PHYS_PFN(x) (unsigned long)((x) >> XEN_PAGE_SHIFT)

#define	xen_to_phys(x) ((unsigned long) (x))

#define	xen_to_virt(x) ((void *) (x))

#define	xen_virt_to_gfn(_virt) (XEN_PFN_DOWN(xen_to_phys(_virt)))

#define	xen_gfn_to_virt(_gfn) (xen_to_virt(XEN_PFN_PHYS(_gfn)))

#define	synch_cmpxchg(ptr, old, new)

Macro Definition Documentation

◆ synch_cmpxchg

#define synch_cmpxchg	(	ptr,
		old,
		new
	)

Value:

({ __typeof__(*ptr) stored = old; \
        __atomic_compare_exchange_n(ptr, &stored, new, 0, __ATOMIC_SEQ_CST, \
                                __ATOMIC_SEQ_CST) ? new : old; \
})

◆ xen_gfn_to_virt

#define xen_gfn_to_virt ( _gfn ) (xen_to_virt(XEN_PFN_PHYS(_gfn)))

◆ XEN_PAGE_SHIFT

#define XEN_PAGE_SHIFT 12

◆ XEN_PAGE_SIZE

#define XEN_PAGE_SIZE 4096

◆ XEN_PFN_DOWN

#define XEN_PFN_DOWN ( x ) (unsigned long)((x) >> XEN_PAGE_SHIFT)

◆ XEN_PFN_PHYS

#define XEN_PFN_PHYS ( x ) ((unsigned long)(x) << XEN_PAGE_SHIFT)

◆ XEN_PFN_UP

#define XEN_PFN_UP ( x ) (unsigned long)(((x) + XEN_PAGE_SIZE-1) >> XEN_PAGE_SHIFT)

◆ XEN_PHYS_PFN

#define XEN_PHYS_PFN ( x ) (unsigned long)((x) >> XEN_PAGE_SHIFT)

◆ xen_to_phys

#define xen_to_phys ( x ) ((unsigned long) (x))

◆ xen_to_virt

#define xen_to_virt ( x ) ((void *) (x))

◆ xen_virt_to_gfn

#define xen_virt_to_gfn ( _virt ) (XEN_PFN_DOWN(xen_to_phys(_virt)))

Macros