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#ifndef APOS_VMEM_H
#define APOS_VMEM_H
#include <apos/tcb.h>
#include <apos/pmem.h>
#include <apos/sp_tree.h>
#include <arch/vmem.h>
vm_t alloc_uvmem(struct tcb *r, size_t size, uint8_t flags);
vm_t alloc_fixed_uvmem(struct tcb *r, vm_t start, size_t size, uint8_t flags);
stat_t free_uvmem(struct tcb *r, vm_t a);
stat_t init_uvmem(struct tcb *r, vm_t base, vm_t top);
vm_t map_fill_region(struct vm_branch *b,
int (*vmem_handler)(struct vm_branch *, pm_t *, vm_t, uint8_t, enum mm_order),
pm_t offset, vm_t start, size_t bytes, uint8_t flags);
stat_t alloc_uvmem_wrapper(struct vm_branch *b, pm_t *offset, vm_t vaddr, uint8_t flags, enum mm_order order);
stat_t free_uvmem_wrapper(struct vm_branch *b, pm_t *offset, vm_t vaddr, uint8_t flags, enum mm_order order);
#define map_allocd_region(b, start, bytes, flags)\
map_fill_region(b, &alloc_uvmem_wrapper, 0, start, bytes, flags)
#define unmap_freed_region(b, start, bytes)\
map_fill_region(b, &free_uvmem_wrapper, 0, start, bytes, 0)
size_t uvmem_size();
void set_uvmem_size(size_t s);
#endif /* APOS_VMEM_H */
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