diff options
Diffstat (limited to 'include/exec/memory.h')
| -rw-r--r-- | include/exec/memory.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index 688d3f0e96..81e0e416a4 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -866,6 +866,21 @@ MemoryRegionSection *address_space_translate(AddressSpace *as, hwaddr addr, hwaddr *xlat, hwaddr *len, bool is_write); +/* address_space_access_valid: check for validity of accessing an address + * space range + * + * Check whether memory is assigned to the given address space range. + * + * For now, addr and len should be aligned to a page size. This limitation + * will be lifted in the future. + * + * @as: #AddressSpace to be accessed + * @addr: address within that address space + * @len: length of the area to be checked + * @is_write: indicates the transfer direction + */ +bool address_space_access_valid(AddressSpace *as, hwaddr addr, int len, bool is_write); + /* address_space_map: map a physical memory region into a host virtual address * * May map a subset of the requested range, given by and returned in @plen. |