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/************************************************************
* up_assert.c
*
* 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.
*
************************************************************/
/************************************************************
* Included Files
************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <debug.h>
#include <8052.h>
#include <nuttx/arch.h>
#include <arch/irq.h>
#include "up_internal.h"
#include "up_mem.h"
/************************************************************
* Definitions
************************************************************/
/************************************************************
* Private Data
************************************************************/
/************************************************************
* Private Functions
************************************************************/
#ifdef CONFIG_FRAME_DUMP
static void _up_puthex(ubyte hex) __naked
{
hex; /* To avoid unreferenced argument warning */
_asm
mov a, dpl
ljmp PM2_ENTRY_PHEX
_endasm;
}
static void _up_putspace(void) __naked
{
_asm
mov a, #0x20
ljmp PM2_ENTRY_COUT
_endasm;
}
static void _up_putcolon(void) __naked
{
_asm
mov a, #0x3a
lcall PM2_ENTRY_COUT
_endasm;
}
static void _up_putnl(void) __naked
{
_asm
ljmp PM2_ENTRY_NEWLINE
_endasm;
}
static void _up_puts(__code char *ptr)
{
for (; *ptr; ptr++)
{
up_putc(*ptr);
}
}
static void _up_dump16(__code char *ptr, ubyte msb, ubyte lsb)
{
_up_puts(ptr);
_up_puthex(msb);
_up_puthex(lsb);
_up_putnl();
}
static void _up_dump8(__code char *ptr, ubyte b)
{
_up_puts(ptr);
_up_puthex(b);
_up_putnl();
}
#endif
/************************************************************
* Public Functions
************************************************************/
/************************************************************
* Name: up_dumpstack
************************************************************/
#ifdef CONFIG_FRAME_DUMP
void up_dumpstack(void)
{
NEAR ubyte *start = (NEAR ubyte *)(UP_STACK_BASE & 0xf0);
NEAR ubyte *end = (NEAR ubyte *)SP;
ubyte i;
while (start < end)
{
_up_puthex((ubyte)start);
_up_putcolon();
for (i = 0; i < 8; i++)
{
_up_putspace();
_up_puthex(*start);
start++;
}
_up_putnl();
}
}
#endif
/************************************************************
* Name: up_dumpframe
************************************************************/
#ifdef CONFIG_FRAME_DUMP
void up_dumpframe(FAR struct xcptcontext *context)
{
FAR ubyte *start = &context->stack[context->nbytes - FRAME_SIZE];
_up_dump16(" RET ", start[FRAME_RETMS], start[FRAME_RETLS]);
_up_dump8(" IE ", start[FRAME_IE]);
_up_dump16(" DPTR ", start[FRAME_DPH], start[FRAME_DPL]);
_up_dump8(" PSW ", start[FRAME_PSW]);
}
#endif
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