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- /****************************************************************************
- * mm/umm_heap/umm_heap.h
- *
- * Copyright (C) 2015 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
- #ifndef __MM_UMM_HEAP_UMM_HEAP_H
- #define __MM_UMM_HEAP_UMM_HEAP_H
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <nuttx/config.h>
- #include <nuttx/mm/mm.h>
- /****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
- #if defined(CONFIG_ARCH_ADDRENV) && defined(CONFIG_BUILD_KERNEL)
- /* In the kernel build, there a multiple user heaps; one for each task
- * group. In this build configuration, the user heap structure lies
- * in a reserved region at the beginning of the .bss/.data address
- * space (CONFIG_ARCH_DATA_VBASE). The size of that region is given by
- * ARCH_DATA_RESERVE_SIZE
- */
- # include <nuttx/addrenv.h>
- # define USR_HEAP (&ARCH_DATA_RESERVE->ar_usrheap)
- #elif defined(CONFIG_BUILD_PROTECTED) && defined(__KERNEL__)
- /* In the protected mode, there are two heaps: A kernel heap and a single
- * user heap. Kernel code must obtain the address of the user heap data
- * structure from the userspace interface.
- */
- # include <nuttx/userspace.h>
- # define USR_HEAP (USERSPACE->us_heap)
- #else
- /* Otherwise, the user heap data structures are in common .bss */
- # define USR_HEAP &g_mmheap
- #endif
- /****************************************************************************
- * Public Functions
- ****************************************************************************/
- #endif /* __MM_UMM_HEAP_UMM_HEAP_H */
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