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/************************************************************************************
* common/sdcc.h
*
* Copyright (C) 2012 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 __ARCH_Z180_SRC_COMMON_UP_MEM_H
#define __ARCH_Z180_SRC_COMMON_UP_MEM_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Locate the IDLE thread stack at the end of RAM. */
#define CONFIG_STACK_END CONFIG_DRAM_SIZE
#define CONFIG_STACK_BASE (CONFIG_STACK_END - CONFIG_IDLETHREAD_STACKSIZE)
/* The heap then extends from the linker determined beginning of the heap (s__HEAP).
* to the bottom of the IDLE thread stack. NOTE: The symbol s__HEAP is not
* accessible from C because it does not begin with the _ character. g_heapbase
* is defined in z180_head.asm to provide that value to the C code.
*/
#define CONFIG_HEAP1_END CONFIG_STACK_BASE
#define CONFIG_HEAP1_BASE g_heapbase
/************************************************************************************
* Public variables
************************************************************************************/
/* This is the bottom of the heap as provided by the linker symbol s__HEAP. NOTE:
* The symbol s__HEAP is not accessible from C because it does not begin with the _
* character. g_heapbase is defined in z180_head.asm to provide that value to the C
* code.
*/
extern const uint16_t g_heapbase;
#endif /* __ARCH_Z180_SRC_COMMON_UP_MEM_H */
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