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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #include <arch/mm/vm.h> |
29 | #include <arch/mm/as.h> |
30 | #include <arch/mm/tlb.h> |
30 | #include <arch/mm/tlb.h> |
- | 31 | #include <mm/tlb.h> |
|
31 | #include <mm/vm.h> |
32 | #include <mm/as.h> |
32 | #include <arch/cp0.h> |
33 | #include <arch/cp0.h> |
33 | #include <arch.h> |
34 | #include <arch.h> |
34 | 35 | ||
35 | /** Install ASID of the current VM |
36 | /** Install address space. |
36 | * |
37 | * |
37 | * Install ASID of the current VM. |
38 | * Install ASID and if necessary, purge TLB. |
38 | * |
39 | * |
39 | * @param vm VM structure. |
40 | * @param as Address space structure. |
40 | */ |
41 | */ |
41 | void vm_install_arch(vm_t *vm) |
42 | void as_install_arch(as_t *as) |
42 | { |
43 | { |
43 | entry_hi_t hi; |
44 | entry_hi_t hi; |
44 | ipl_t ipl; |
45 | ipl_t ipl; |
45 | 46 | ||
- | 47 | /* |
|
- | 48 | * If necessary, purge TLB. |
|
- | 49 | */ |
|
- | 50 | tlb_invalidate_asid(as->asid); /* TODO: do it only if necessary */ |
|
- | 51 | ||
- | 52 | /* |
|
- | 53 | * Install ASID. |
|
- | 54 | */ |
|
46 | hi.value = cp0_entry_hi_read(); |
55 | hi.value = cp0_entry_hi_read(); |
47 | 56 | ||
48 | ipl = interrupts_disable(); |
57 | ipl = interrupts_disable(); |
49 | spinlock_lock(&vm->lock); |
58 | spinlock_lock(&as->lock); |
50 | hi.asid = vm->asid; |
59 | hi.asid = as->asid; |
51 | cp0_entry_hi_write(hi.value); |
60 | cp0_entry_hi_write(hi.value); |
52 | spinlock_unlock(&vm->lock); |
61 | spinlock_unlock(&as->lock); |
53 | interrupts_restore(ipl); |
62 | interrupts_restore(ipl); |
54 | } |
63 | } |