#ifndef APOS_VMEM_H #define APOS_VMEM_H #include #include #include #include vm_t alloc_uvmem(struct tcb *r, size_t size, vmflags_t flags); vm_t alloc_fixed_uvmem(struct tcb *r, vm_t start, size_t size, vmflags_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); stat_t alloc_uvmem_wrapper(struct vm_branch *b, pm_t *offset, vm_t vaddr, vmflags_t flags, enum mm_order order); stat_t free_uvmem_wrapper(struct vm_branch *b, pm_t *offset, vm_t vaddr, vmflags_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) #endif /* APOS_VMEM_H */