Changes in kernel/test/mm/mapping1.c [7b5789e:f66b565] in mainline

File:

• kernel/test/mm/mapping1.c (modified) (1 diff)

kernel/test/mm/mapping1.c

@@ -31 +31 @@
 #include <mm/page.h>
 #include <mm/frame.h>
+#include <mm/as.h>
 #include <arch/mm/page.h>
-#include <mm/km.h>
 #include <typedefs.h>
 #include <debug.h>
 #include <arch.h>
 
-#define TEST_MAGIC  UINT32_C(0x01234567)
+#define PAGE0  0x10000000
+#define PAGE1  (PAGE0 + PAGE_SIZE)
+
+#define VALUE0  UINT32_C(0x01234567)
+#define VALUE1  UINT32_C(0x89abcdef)
 
 const char *test_mapping1(void)
 {
-        uintptr_t page0, page1;
-        uintptr_t frame;
-        uint32_t v;
-        int i;
+        uintptr_t frame0, frame1;
+        uint32_t v0, v1;
         
-        frame = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_NONE);
+        frame0 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA);
+        frame1 = (uintptr_t) frame_alloc(ONE_FRAME, FRAME_KA);
+        
+        TPRINTF("Writing %#" PRIx32 " to physical address %p.\n",
+            (uint32_t) VALUE0, (void *) KA2PA(frame0));
+        *((uint32_t *) frame0) = VALUE0;
+        
+        TPRINTF("Writing %#" PRIx32 " to physical address %p.\n",
+            (uint32_t) VALUE1, (void *) KA2PA(frame1));
+        *((uint32_t *) frame1) = VALUE1;
+        
+        page_table_lock(AS, true);
 
-        page0 = km_map(frame, FRAME_SIZE,
-            PAGE_READ | PAGE_WRITE | PAGE_CACHEABLE);
-        TPRINTF("Virtual address %p mapped to physical address %p.\n",
-            (void *) page0, (void *) frame);
-        page1 = km_map(frame, FRAME_SIZE,
-            PAGE_READ | PAGE_WRITE | PAGE_CACHEABLE);
-        TPRINTF("Virtual address %p mapped to physical address %p.\n",
-            (void *) page1, (void *) frame);
+        TPRINTF("Mapping virtual address %p to physical address %p.\n",
+            (void *) PAGE0, (void *) KA2PA(frame0));
+        page_mapping_insert(AS_KERNEL, PAGE0, KA2PA(frame0), PAGE_PRESENT | PAGE_WRITE);
         
-        for (i = 0; i < 2; i++) {
-                TPRINTF("Writing magic using the first virtual address.\n");
+        TPRINTF("Mapping virtual address %p to physical address %p.\n",
+            (void *) PAGE1, (void *) KA2PA(frame1));
+        page_mapping_insert(AS_KERNEL, PAGE1, KA2PA(frame1), PAGE_PRESENT | PAGE_WRITE);
 
-                *((uint32_t *) page0) = TEST_MAGIC;
-
-                TPRINTF("Reading magic using the second virtual address.\n");
-
-                v = *((uint32_t *) page1);
+        page_table_unlock(AS, true);
         
-                if (v != TEST_MAGIC) {
-                        km_unmap(page0, PAGE_SIZE);
-                        km_unmap(page1, PAGE_SIZE);
-                        frame_free(frame);
-                        return "Criss-cross read does not match the value written.";
-                }
-
-                TPRINTF("Writing zero using the second virtual address.\n");
+        v0 = *((uint32_t *) PAGE0);
+        v1 = *((uint32_t *) PAGE1);
+        TPRINTF("Value at virtual address %p is %#" PRIx32 ".\n",
+            (void *) PAGE0, v0);
+        TPRINTF("Value at virtual address %p is %#" PRIx32 ".\n",
+            (void *) PAGE1, v1);
         
-                *((uint32_t *) page1) = 0;
-
-                TPRINTF("Reading zero using the first virtual address.\n");
+        if (v0 != VALUE0)
+                return "Value at v0 not equal to VALUE0";
+        if (v1 != VALUE1)
+                return "Value at v1 not equal to VALUE1";
         
-                v = *((uint32_t *) page0);
+        TPRINTF("Writing %#" PRIx32 " to virtual address %p.\n",
+            (uint32_t) 0, (void *) PAGE0);
+        *((uint32_t *) PAGE0) = 0;
         
-                if (v != 0) {
-                        km_unmap(page0, PAGE_SIZE);
-                        km_unmap(page1, PAGE_SIZE);
-                        frame_free(frame);
-                        return "Criss-cross read does not match the value written.";
-                }
-        }
-
-        km_unmap(page0, PAGE_SIZE);
-        km_unmap(page1, PAGE_SIZE);
-        frame_free(frame);
+        TPRINTF("Writing %#" PRIx32 " to virtual address %p.\n",
+            (uint32_t) 0, (void *) PAGE1);
+        *((uint32_t *) PAGE1) = 0;
+        
+        v0 = *((uint32_t *) PAGE0);
+        v1 = *((uint32_t *) PAGE1);
+        
+        TPRINTF("Value at virtual address %p is %#" PRIx32 ".\n",
+            (void *) PAGE0, *((uint32_t *) PAGE0));
+        TPRINTF("Value at virtual address %p is %#" PRIx32 ".\n",
+            (void *) PAGE1, *((uint32_t *) PAGE1));
+        
+        if (v0 != 0)
+                return "Value at v0 not equal to 0";
+        if (v1 != 0)
+                return "Value at v1 not equal to 0";
         
         return NULL;