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/**************************************************************************
* up_internal.h
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 Gregory Nutt 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_UP_INTERNAL_H
#define __ARCH_UP_INTERNAL_H
/**************************************************************************
* Included Files
**************************************************************************/
#include "pjrc.h"
/**************************************************************************
* Public Definitions
**************************************************************************/
/* Bring-up debug configurations */
#define CONFIG_FRAME_DUMP 1 /* Enabled stack/frame dumping logic */
#define CONFIG_SUPPRESS_INTERRUPTS 1 /* Do not enable interrupts */
#define CONFIG_SWITCH_FRAME_DUMP 1 /* Dump frames from normal switches */
#undef CONFIG_INTERRUPT_FRAME_DUMP /* Dump frames from interrupt switches */
/**************************************************************************
* Public Types
**************************************************************************/
/**************************************************************************
* Public Variables
**************************************************************************/
#ifndef __ASSEMBLY__
/* This is the top of the stack containing the interrupt
* stack frame. It is set when processing an interrupt. It
* is also cleared when the interrupt returns so this can
* also be used like a boolean indication that we are in an
* interrupt.
*/
extern ubyte g_irqtos;
/* If during execution of an interrup handler, a context
* switch must be performed, the follwing will be set to
* to that address of the relevant context structure. The
* actual switch will be deferred until the time that the
* the interrupt exits.
*/
extern FAR struct xcptcontext *g_irqcontext;
#endif /* __ASSEMBLY */
/**************************************************************************
* Public Function Prototypes
**************************************************************************/
#ifndef __ASSEMBLY__
#if CONFIG_MM_REGIONS > 1
extern void up_addregion(void);
#endif
extern void up_delay(ubyte milliseconds) __naked;
extern void up_irqinitialize(void);
extern void up_restorecontext(FAR struct xcptcontext *context) _naked;
extern ubyte up_savecontext(FAR struct xcptcontext *context) __naked;
extern void up_savestack(FAR struct xcptcontext *context, ubyte tos);
extern void up_timerinit(void);
/* Defined in up_assert.c */
#ifdef CONFIG_FRAME_DUMP
extern void up_dumpstack(void);
extern void up_dumpframe(FAR struct xcptcontext *context);
#else
# define up_dumpstack()
# define up_dumpframe(x)
#endif
/* Defined in up_leds.c */
#ifdef CONFIG_8051_LEDS
extern void up_ledinit(void);
extern void up_ledon(int led);
extern void up_ledoff(int led);
#else
# define up_ledinit()
# define up_ledon(led)
# define up_ledoff(led)
#endif
#endif /* __ASSEMBLY */
#endif /* __ARCH_UP_INTERNAL_H */
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