Changes in kernel/arch/sparc64/src/mm/sun4v/tlb.c [7008097:d99c1d2] in mainline

File:

• kernel/arch/sparc64/src/mm/sun4v/tlb.c (modified) (6 diffs)

kernel/arch/sparc64/src/mm/sun4v/tlb.c

@@ -28 +28 @@
  */
 
-/** @addtogroup sparc64mm
+/** @addtogroup sparc64mm       
  * @{
  */
@@ -62 +62 @@
 static void itlb_pte_copy(pte_t *);
 static void dtlb_pte_copy(pte_t *, bool);
-static void do_fast_instruction_access_mmu_miss_fault(istate_t *, uintptr_t,
-    const char *);
+static void do_fast_instruction_access_mmu_miss_fault(istate_t *, const char *);
 static void do_fast_data_access_mmu_miss_fault(istate_t *, uint64_t,
     const char *);
@@ -236 +235 @@
                  * Forward the page fault to the address space page fault
                  * handler.
-                 */
+                 */             
                 page_table_unlock(AS, true);
                 if (as_page_fault(va, PF_ACCESS_EXEC, istate) == AS_PF_FAULT) {
                         do_fast_instruction_access_mmu_miss_fault(istate,
-                            istate->tpc, __func__);
+                            __func__);
                 }
         }
@@ -355 +354 @@
 }
 
-void do_fast_instruction_access_mmu_miss_fault(istate_t *istate, uintptr_t va,
+void do_fast_instruction_access_mmu_miss_fault(istate_t *istate,
     const char *str)
 {
-        fault_if_from_uspace(istate, "%s, Address=%p.", str, va);
-        panic_memtrap(istate, PF_ACCESS_EXEC, va, "%s.", str);
+        fault_if_from_uspace(istate, "%s.", str);
+        dump_istate(istate);
+        panic("%s.", str);
 }
 
@@ -365 +365 @@
     uint64_t page_and_ctx, const char *str)
 {
-        fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d).", str,
-            DMISS_ADDRESS(page_and_ctx), DMISS_CONTEXT(page_and_ctx));
-        panic_memtrap(istate, PF_ACCESS_READ, DMISS_ADDRESS(page_and_ctx),
-            "%s.");
+        if (DMISS_CONTEXT(page_and_ctx)) {
+                fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d)\n", str, DMISS_ADDRESS(page_and_ctx),
+                    DMISS_CONTEXT(page_and_ctx));
+        }
+        dump_istate(istate);
+        printf("Faulting page: %p, ASID=%d\n", DMISS_ADDRESS(page_and_ctx), DMISS_CONTEXT(page_and_ctx));
+        panic("%s\n", str);
 }
 
@@ -374 +377 @@
     uint64_t page_and_ctx, const char *str)
 {
-        fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d).", str,
-            DMISS_ADDRESS(page_and_ctx), DMISS_CONTEXT(page_and_ctx));
-        panic_memtrap(istate, PF_ACCESS_WRITE, DMISS_ADDRESS(page_and_ctx),
-            "%s.");
+        if (DMISS_CONTEXT(page_and_ctx)) {
+                fault_if_from_uspace(istate, "%s, Page=%p (ASID=%d)\n", str, DMISS_ADDRESS(page_and_ctx),
+                    DMISS_CONTEXT(page_and_ctx));
+        }
+        printf("Faulting page: %p, ASID=%d\n", DMISS_ADDRESS(page_and_ctx), DMISS_CONTEXT(page_and_ctx));
+        dump_istate(istate);
+        panic("%s\n", str);
 }