1 files changed, 129 insertions, 0 deletions
diff --git a/cpukit/rtems/src/partcreate.c b/cpukit/rtems/src/partcreate.c
new file mode 100644
index 0000000000..6b3d819ea5
--- /dev/null
+++ b/cpukit/rtems/src/partcreate.c
@@ -0,0 +1,129 @@
+/*
+ *  Partition Manager
+ *
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/rtems/status.h>
+#include <rtems/rtems/support.h>
+#include <rtems/score/address.h>
+#include <rtems/score/object.h>
+#include <rtems/rtems/part.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/sysstate.h>
+
+/*PAGE
+ *
+ *  rtems_partition_create
+ *
+ *  This directive creates a partiton of fixed sized buffers from the
+ *  given contiguous memory area.
+ *
+ *  Input parameters:
+ *    name             - user defined partition name
+ *    starting_address - physical start address of partition
+ *    length           - physical length in bytes
+ *    buffer_size      - size of buffers in bytes
+ *    attribute_set    - partition attributes
+ *    id               - pointer to partition id
+ *
+ *  Output parameters:
+ *    id               - partition id
+ *    RTEMS_SUCCESSFUL - if successful
+ *    error code       - if unsuccessful
+ */
+
+rtems_status_code rtems_partition_create(
+  rtems_name       name,
+  void            *starting_address,
+  uint32_t         length,
+  uint32_t         buffer_size,
+  rtems_attribute  attribute_set,
+  rtems_id        *id
+)
+{
+  register Partition_Control *the_partition;
+
+  if ( !rtems_is_name_valid( name ) )
+    return RTEMS_INVALID_NAME;
+
+  if ( !starting_address )
+    return RTEMS_INVALID_ADDRESS;
+
+  if ( !id )
+    return RTEMS_INVALID_ADDRESS;
+
+  if ( length == 0 || buffer_size == 0 || length < buffer_size ||
+         !_Partition_Is_buffer_size_aligned( buffer_size ) )
+    return RTEMS_INVALID_SIZE;
+
+  if ( !_Addresses_Is_aligned( starting_address ) )
+     return RTEMS_INVALID_ADDRESS;
+
+#if defined(RTEMS_MULTIPROCESSING)
+  if ( _Attributes_Is_global( attribute_set ) &&
+       !_System_state_Is_multiprocessing )
+    return RTEMS_MP_NOT_CONFIGURED;
+#endif
+
+  _Thread_Disable_dispatch();               /* prevents deletion */
+
+  the_partition = _Partition_Allocate();
+
+  if ( !the_partition ) {
+    _Thread_Enable_dispatch();
+    return RTEMS_TOO_MANY;
+  }
+
+#if defined(RTEMS_MULTIPROCESSING)
+  if ( _Attributes_Is_global( attribute_set ) &&
+       !( _Objects_MP_Allocate_and_open( &_Partition_Information, name,
+                            the_partition->Object.id, false ) ) ) {
+    _Partition_Free( the_partition );
+    _Thread_Enable_dispatch();
+    return RTEMS_TOO_MANY;
+  }
+#endif
+
+  the_partition->starting_address      = starting_address;
+  the_partition->length                = length;
+  the_partition->buffer_size           = buffer_size;
+  the_partition->attribute_set         = attribute_set;
+  the_partition->number_of_used_blocks = 0;
+
+  _Chain_Initialize( &the_partition->Memory, starting_address,
+                        length / buffer_size, buffer_size );
+
+  _Objects_Open(
+    &_Partition_Information,
+    &the_partition->Object,
+    (Objects_Name) name
+  );
+
+  *id = the_partition->Object.id;
+#if defined(RTEMS_MULTIPROCESSING)
+  if ( _Attributes_Is_global( attribute_set ) )
+    _Partition_MP_Send_process_packet(
+      PARTITION_MP_ANNOUNCE_CREATE,
+      the_partition->Object.id,
+      name,
+      0                  /* Not used */
+    );
+#endif
+
+  _Thread_Enable_dispatch();
+  return RTEMS_SUCCESSFUL;
+}