Changeset a8e96683 in mainline for uspace/drv/uhci/utils/malloc32.h

Timestamp:

2011-01-28T15:46:21Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

d1984e0

Parents:

10f479ae

Message:

Added memory control/translation mechanisms.

File:

• uspace/drv/uhci/utils/malloc32.h (modified) (1 diff)

uspace/drv/uhci/utils/malloc32.h

@@ -37 +37 @@
 #include <usb/usbmem.h>
 
+#include <assert.h>
+#include <malloc.h>
+#include <mem.h>
+#include <as.h>
+
 static inline void * addr_to_phys(void *addr)
-        { return mman_getPA(addr); }
+{
+        uintptr_t result;
+        int ret = as_get_physical_mapping(addr, &result);
+        assert(ret == 0);
+        return (void*)result;
+}
 
 static inline void * malloc32(size_t size)
-/* TODO: tis is ugly */
-        { return mman_malloc(size, 128, 0xffffffff); }
+/* TODO: this is ugly */
+        { return memalign(size, 128); }
+
+static inline void * get_page()
+{
+        void * free_address = as_get_mappable_page(4096);
+        assert(free_address);
+        if (free_address == 0)
+                return 0;
+        void* ret =
+          as_area_create(free_address, 4096, AS_AREA_READ | AS_AREA_WRITE |AS_AREA_CACHEABLE);
+        if (ret != free_address)
+                return 0;
+        return ret;
+}
+
+static inline void * memalign32(size_t size, size_t alignment)
+        { return memalign(size, alignment); }
 
 static inline void free32(void * addr)
-        { mman_free(addr); }
+        { free(addr); }
 
 #endif