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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 | /** @addtogroup mips32mm |
29 | /** @addtogroup mips32mm |
| 30 | * @{ |
30 | * @{ |
| 31 | */ |
31 | */ |
| 32 | /** @file |
32 | /** @file |
| 33 | */ |
33 | */ |
| 34 | 34 | ||
| Line 39... | Line 39... | ||
| 39 | #include <mm/as.h> |
39 | #include <mm/as.h> |
| 40 | #include <arch/cp0.h> |
40 | #include <arch/cp0.h> |
| 41 | #include <panic.h> |
41 | #include <panic.h> |
| 42 | #include <arch.h> |
42 | #include <arch.h> |
| 43 | #include <symtab.h> |
43 | #include <symtab.h> |
| 44 | #include <synch/spinlock.h> |
44 | #include <synch/mutex.h> |
| 45 | #include <print.h> |
45 | #include <print.h> |
| 46 | #include <debug.h> |
46 | #include <debug.h> |
| 47 | #include <align.h> |
47 | #include <align.h> |
| 48 | #include <interrupt.h> |
48 | #include <interrupt.h> |
| 49 | 49 | ||
| Line 90... | Line 90... | ||
| 90 | entry_hi_t hi; |
90 | entry_hi_t hi; |
| 91 | asid_t asid; |
91 | asid_t asid; |
| 92 | uintptr_t badvaddr; |
92 | uintptr_t badvaddr; |
| 93 | pte_t *pte; |
93 | pte_t *pte; |
| 94 | int pfrc; |
94 | int pfrc; |
| 95 | 95 | ||
| 96 | badvaddr = cp0_badvaddr_read(); |
96 | badvaddr = cp0_badvaddr_read(); |
| 97 | 97 | ||
| 98 | spinlock_lock(&AS->lock); |
98 | mutex_lock(&AS->lock); |
| 99 | asid = AS->asid; |
99 | asid = AS->asid; |
| 100 | spinlock_unlock(&AS->lock); |
100 | mutex_unlock(&AS->lock); |
| 101 | 101 | ||
| 102 | page_table_lock(AS, true); |
102 | page_table_lock(AS, true); |
| 103 | 103 | ||
| 104 | pte = find_mapping_and_check(badvaddr, PF_ACCESS_READ, istate, &pfrc); |
104 | pte = find_mapping_and_check(badvaddr, PF_ACCESS_READ, istate, &pfrc); |
| 105 | if (!pte) { |
105 | if (!pte) { |
| 106 | switch (pfrc) { |
106 | switch (pfrc) { |
| 107 | case AS_PF_FAULT: |
107 | case AS_PF_FAULT: |
| 108 | goto fail; |
108 | goto fail; |