Changeset 8442d10 in mainline for uspace/drv/bus/usb/uhci/utils/malloc32.h

Timestamp:

2013-09-09T21:48:12Z (11 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

c67dbd6

Parents:

2e2c18a1

Message:

improve the API of physmem_map(), dmamem_map() and dmamem_map_anonymous()
the "constraint" argument of dmamem_map_anonymous() should be used to specify bits disallowed in the physical frame address

File:

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

uspace/drv/bus/usb/uhci/utils/malloc32.h

@@ -100 +100 @@
 static inline void * get_page(void)
 {
-        void *address, *phys;
+        uintptr_t phys;
+        void *address;
+        
         const int ret = dmamem_map_anonymous(UHCI_REQUIRED_PAGE_SIZE,
-            AS_AREA_READ | AS_AREA_WRITE, 0, &phys, &address);
+            DMAMEM_4GiB, AS_AREA_READ | AS_AREA_WRITE, 0, &phys,
+            &address);
         return ret == EOK ? address : NULL;
 }