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-rw-r--r--cpukit/libcsupport/include/rtems/libio.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/cpukit/libcsupport/include/rtems/libio.h b/cpukit/libcsupport/include/rtems/libio.h
index a4607de0e9..a959cfec77 100644
--- a/cpukit/libcsupport/include/rtems/libio.h
+++ b/cpukit/libcsupport/include/rtems/libio.h
@@ -1442,6 +1442,15 @@ static inline dev_t rtems_filesystem_make_dev_t(
return temp.device;
}
+static inline dev_t rtems_filesystem_make_dev_t_from_pointer(
+ const void *pointer
+)
+{
+ uint64_t temp = (((uint64_t) 1) << 63) | (((uintptr_t) pointer) >> 1);
+
+ return rtems_filesystem_make_dev_t((uint32_t) (temp >> 32), (uint32_t) temp);
+}
+
static inline rtems_device_major_number rtems_filesystem_dev_major_t(
dev_t device
)