Changeset 848e880f in mainline for uspace/lib/c

Timestamp:

2018-06-10T19:30:53Z (7 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

fe96085

Parents:

121ee4fd

Message:

Let pio_enable_resource return physical address

Location:

uspace/lib/c

Files:

• generic/ddi.c (modified) (3 diffs)
• include/ddi.h (modified) (1 diff)

uspace/lib/c/generic/ddi.c

@@ -224 +224 @@
  * @param res        Resources specifying the I/O range wrt. to the PIO window.
  * @param[out] virt  Virtual address for application's PIO operations.
+ * @param[out] phys  If non-NULL, physical address of the resource
  * @param[out] size  If non-NULL, size of the enabled resource.
  *
@@ -231 +232 @@
  */
 errno_t pio_enable_resource(pio_window_t *win, hw_resource_t *res, void **virt,
-    size_t *size)
+    uintptr_t *phys, size_t *size)
 {
         uintptr_t addr;
@@ -259 +260 @@
         }
 
+        if (phys)
+                *phys = addr;
         if (size)
                 *size = sz;

uspace/lib/c/include/ddi.h

@@ -66 +66 @@
 extern errno_t pio_enable_range(addr_range_t *, void **);
 extern errno_t pio_enable_resource(pio_window_t *, hw_resource_t *, void **,
-    size_t *);
+    uintptr_t *, size_t *);
 extern errno_t pio_enable(void *, size_t, void **);
 extern errno_t pio_disable(void *, size_t);