diff options
Diffstat (limited to 'misc/Obsoleted/arch/8051/src/up_debug.c')
| -rw-r--r-- | misc/Obsoleted/arch/8051/src/up_debug.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/misc/Obsoleted/arch/8051/src/up_debug.c b/misc/Obsoleted/arch/8051/src/up_debug.c new file mode 100644 index 000000000..35a5d1d50 --- /dev/null +++ b/misc/Obsoleted/arch/8051/src/up_debug.c @@ -0,0 +1,255 @@ +/************************************************************************ + * arch/8051/src/up_debug.c + * + * Copyright (C) 2007, 2009, 2014 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. + * + ************************************************************************/ + +/************************************************************************ + * Included Files + ************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> +#include <stdint.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 + ************************************************************************/ + +#if defined(CONFIG_FRAME_DUMP) && defined(CONFIG_ARCH_8051_BRINGUP) +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 + ljmp PM2_ENTRY_COUT + _endasm; +} + +static void _up_dump16(__code char *ptr, uint8_t msb, uint8_t lsb) +{ + up_puts(ptr); + up_puthex(msb); + up_puthex(lsb); + up_putnl(); +} + +static void _up_dump8(__code char *ptr, uint8_t b) +{ + up_puts(ptr); + up_puthex(b); + up_putnl(); +} +#endif + +/************************************************************************ + * Public Functions + ************************************************************************/ + +/************************************************************************ + * Name: up_puthex, up_puthex16, up_putnl, up_puts + ************************************************************************/ + +#if defined(CONFIG_ARCH_8051_BRINGUP) +void up_puthex(uint8_t hex) __naked +{ + hex; /* To avoid unreferenced argument warning */ + _asm + mov a, dpl + ljmp PM2_ENTRY_PHEX + _endasm; +} + +void up_puthex16(int hex) __naked +{ + hex; /* To avoid unreferenced argument warning */ + _asm + ljmp PM2_ENTRY_PHEX16 + _endasm; +} + +void up_putnl(void) __naked +{ + _asm + ljmp PM2_ENTRY_NEWLINE + _endasm; +} + +void up_puts(__code char *ptr) +{ + for (; *ptr; ptr++) + { + up_putc(*ptr); + } +} +#endif + +/************************************************************************ + * Name: up_dumpstack + ************************************************************************/ + +#if defined(CONFIG_FRAME_DUMP) && defined(CONFIG_ARCH_8051_BRINGUP) +void up_dumpstack(void) +{ + NEAR uint8_t *start = (NEAR uint8_t *)(STACK_BASE & 0xf0); + NEAR uint8_t *end = (NEAR uint8_t *)SP; + uint8_t i; + + while (start < end) + { + up_puthex((uint8_t)start); + _up_putcolon(); + + for (i = 0; i < 8; i++) + { + up_putspace(); + if (start < (NEAR uint8_t *)(STACK_BASE) || + start > end) + { + up_putspace(); + up_putspace(); + } + else + { + up_puthex(*start); + } + start++; + } + up_putnl(); + } +} +#endif + +/************************************************************************ + * Name: up_dumpframe + ************************************************************************/ + +#if defined(CONFIG_FRAME_DUMP) && defined(CONFIG_ARCH_8051_BRINGUP) +void up_dumpframe(FAR struct xcptcontext *context) +{ +#ifdef CONFIG_FRAME_DUMP_SHORT + FAR uint8_t *stack = &context->stack[context->nbytes - FRAME_SIZE]; + FAR uint8_t *regs = context->regs; + + _up_dump16(" RET ", stack[FRAME_RETMS], stack[FRAME_RETLS]); + _up_dump8 (" IE ", stack[FRAME_IE]); + _up_dump16(" DPTR ", stack[FRAME_DPH], stack[FRAME_DPL]); + _up_dump8 (" PSW ", regs[REGS_PSW]); + _up_dump8 (" SP ", context->nbytes + (STACK_BASE-1)); +#else + FAR uint8_t *stack = &context->stack[context->nbytes - FRAME_SIZE]; + FAR uint8_t *regs = context->regs; + uint8_t i, j, k; + + _up_dump8 (" NBYTES ", context->nbytes); + + for (i = 0; i < context->nbytes; i += 8) + { + up_puthex(i); + _up_putcolon(); + + for (j = 0; j < 8; j++) + { + k = i + j; + up_putspace(); + if (k >= context->nbytes) + { + up_putspace(); + up_putspace(); + } + else + { + up_puthex(context->stack[k]); + } + } + up_putnl(); + } + + up_puts(" REGS:"); + for (i = 0; i < REGS_SIZE; i++) + { + up_putspace(); + up_puthex(context->regs[i]); + } + up_putnl(); +#endif +} +#endif + +/************************************************************************ + * Name: up_dumpframe + ************************************************************************/ + +/* The 805x family has a tiny, 256 stack and can be easily + * overflowed. The following macro can be used to instrument + * code to dump the stack pointer at critical locations. + */ + +#ifdef CONFIG_ARCH_8051_BRINGUP +void up_showsp(uint8_t ch) __naked +{ + ch; + _asm + mov a, dpl + lcall PM2_ENTRY_COUT + mov a, sp + lcall PM2_ENTRY_PHEX + lcall PM2_ENTRY_NEWLINE + _endasm; +} +#endif + + |