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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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/*
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/**
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 * @file    as.c
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 * @brief   Address space related functions.
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 *
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 * This file contains address space manipulation functions.
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 * This file contains address space manipulation functions.
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 * Roughly speaking, this is a higher-level client of
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 * Roughly speaking, this is a higher-level client of
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 * Virtual Address Translation (VAT) subsystem.
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 * Virtual Address Translation (VAT) subsystem.
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 *
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 * Functionality provided by this file allows one to
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 * create address space and create, resize and share
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 * address space areas.
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 *
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 * @see page.c
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 *
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 */
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 */
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#include <mm/as.h>
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#include <mm/as.h>
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#include <arch/mm/as.h>
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#include <arch/mm/as.h>
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#include <mm/page.h>
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#include <mm/page.h>
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 * Locking order is such that address space areas must be locked
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 * Locking order is such that address space areas must be locked
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 * prior to this call. Address space can be locked prior to this
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 * prior to this call. Address space can be locked prior to this
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 * call in which case the lock argument is false.
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 * call in which case the lock argument is false.
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 *
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 *
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 * @param as Address space.
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 * @param as Address space.
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 * @param as_locked If false, do not attempt to lock as->lock.
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 * @param lock If false, do not attempt to lock as->lock.
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 */
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 */
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void page_table_lock(as_t *as, bool lock)
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void page_table_lock(as_t *as, bool lock)
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{
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{
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    ASSERT(as_operations);
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    ASSERT(as_operations);
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    ASSERT(as_operations->page_table_lock);
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    ASSERT(as_operations->page_table_lock);
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}
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}
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/** Unlock page table.
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/** Unlock page table.
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 *
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 *
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 * @param as Address space.
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 * @param as Address space.
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 * @param as_locked If false, do not attempt to unlock as->lock.
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 * @param unlock If false, do not attempt to unlock as->lock.
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 */
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 */
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void page_table_unlock(as_t *as, bool unlock)
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void page_table_unlock(as_t *as, bool unlock)
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{
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{
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    ASSERT(as_operations);
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    ASSERT(as_operations);
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    ASSERT(as_operations->page_table_unlock);
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    ASSERT(as_operations->page_table_unlock);