up_registerdump.c

這是一個實時嵌入式作業系統 實作了MCS51 ARM等MCU

/****************************************************************************
 * common/up_registerdump.c
 *
 *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <[e-mail]>
 *
 * 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.
 *
 ****************************************************************************/

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

#include <sys/types.h>
#include <debug.h>

#include <nuttx/irq.h>
#include <nuttx/arch.h>

#include "os_internal.h"
#include "up_internal.h"

/****************************************************************************
 * Definitions
 ****************************************************************************/

/* Output debug info if stack dump is selected -- even if 
 * debug is not selected.
 */

#ifdef CONFIG_ARCH_STACKDUMP
# undef  lldbg
# define lldbg lib_lowprintf
#endif

/****************************************************************************
 * Private Data
 ****************************************************************************/

/****************************************************************************
 * Private Functions
 ****************************************************************************/

/****************************************************************************
 * Name: up_registerdump
 ****************************************************************************/

#ifdef CONFIG_ARCH_STACKDUMP
static void up_registerdump(void)
{
  FAR uint32 *regs32 = (FAR uint32*)current_regs;
  lldbg("R0 :%08x R1 :%08x R2 :%08x R3 :%08x "
        "R4 :%08x R5 :%08x R6 :%08x R7 :%08x\n"
        regs32[REG_R0/2],  regs32[REG_R1/2], regs32[REG_R2/2], regs32[REG_R3/2],
        regs32[REG_R4/2],  regs32[REG_R5/2], regs32[REG_R6/2], regs32[REG_R7/2]);
  lldbg("R8 :%08x R9 :%08x R10:%08x R11:%08x R12:%08x R13:%08x\n"
        regs32[REG_R8/2],  regs32[REG_R9/2], regs32[REG_R10/2], regs3[REG_R11/2],
        regs32[REG_R12/2], regs32[REG_R13/2]);
  lldbg("FP :%08x SP :%08x FLG:%04x\n"
        regs32[REG_R14/2], regs32[REG_R15/2], current_regs[REG_FLAGS]);
}
#endif