+++ /dev/null
-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction. Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License. This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2003, 2004, 2005, 2006, 2007 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2000, 2001, 2002 Bernardo Innocenti <bernie@codewiz.org>
- *
- * -->
- *
- * \brief General pourpose debug support for embedded systems (implementation).
- *
- * \version $Id$
- * \author Bernardo Innocenti <bernie@develer.com>
- * \author Stefano Fedrigo <aleph@develer.com>
- */
-
-#include <cpu/irq.h>
-#include <cpu/attr.h>
-#include <cpu/types.h>
-
-#include <cfg/macros.h> /* for BV() */
-#include <cfg/debug.h>
-
-#include <appconfig.h>
-#warning what about these?
-//#include <hw_cpu.h> /* for CLOCK_FREQ */
-//#include <hw_ser.h> /* Required for bus macros overrides */
-
-#include <mware/formatwr.h> /* for _formatted_write() */
-#include <mware/pgm.h>
-
-#ifdef _DEBUG
-
-#if CPU_HARVARD && !defined(_PROGMEM)
- #error This module build correctly only in program memory!
-#endif
-
-
-#if OS_HOSTED
- #include <stdio.h>
- #define KDBG_WAIT_READY() do { /*nop*/ } while(0)
- #define KDBG_WRITE_CHAR(c) putc((c), stderr)
- #define KDBG_MASK_IRQ(old) do { (void)(old); } while(0)
- #define KDBG_RESTORE_IRQ(old) do { /*nop*/ } while(0)
- typedef char kdbg_irqsave_t; /* unused */
-
- #define kdbg_hw_init() do {} while (0) ///< Not needed
-
- #if CONFIG_KDEBUG_PORT == 666
- #error BITBANG debug console missing for this platform
- #endif
-#else
- #include CPU_CSOURCE(kdebug)
-#endif
-
-
-void kdbg_init(void)
-{
- /* Init debug hw */
- kdbg_hw_init();
- kputs("\n\n*** BeRTOS DBG START ***\n");
-}
-
-
-/**
- * Output one character to the debug console
- */
-static void __kputchar(char c, UNUSED_ARG(void *, unused))
-{
- /* Poll while serial buffer is still busy */
- KDBG_WAIT_READY();
-
- /* Send '\n' as '\r\n' for dumb terminals */
- if (c == '\n')
- {
- KDBG_WRITE_CHAR('\r');
- KDBG_WAIT_READY();
- }
-
- KDBG_WRITE_CHAR(c);
-}
-
-
-void kputchar(char c)
-{
- /* Mask serial TX intr */
- kdbg_irqsave_t irqsave;
- KDBG_MASK_IRQ(irqsave);
-
- __kputchar(c, 0);
-
- /* Restore serial TX intr */
- KDBG_RESTORE_IRQ(irqsave);
-}
-
-
-static void PGM_FUNC(kvprintf)(const char * PGM_ATTR fmt, va_list ap)
-{
-#if CONFIG_PRINTF
- /* Mask serial TX intr */
- kdbg_irqsave_t irqsave;
- KDBG_MASK_IRQ(irqsave);
-
- PGM_FUNC(_formatted_write)(fmt, __kputchar, 0, ap);
-
- /* Restore serial TX intr */
- KDBG_RESTORE_IRQ(irqsave);
-#else
- /* A better than nothing printf() surrogate. */
- PGM_FUNC(kputs)(fmt);
-#endif /* CONFIG_PRINTF */
-}
-
-void PGM_FUNC(kprintf)(const char * PGM_ATTR fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
- PGM_FUNC(kvprintf)(fmt, ap);
- va_end(ap);
-}
-
-void PGM_FUNC(kputs)(const char * PGM_ATTR str)
-{
- char c;
-
- /* Mask serial TX intr */
- kdbg_irqsave_t irqsave;
- KDBG_MASK_IRQ(irqsave);
-
- while ((c = PGM_READ_CHAR(str++)))
- __kputchar(c, 0);
-
- KDBG_RESTORE_IRQ(irqsave);
-}
-
-
-/**
- * Cheap function to print small integers without using printf().
- */
-int kputnum(int num)
-{
- int output_len = 0;
- int divisor = 10000;
- int digit;
-
- do
- {
- digit = num / divisor;
- num %= divisor;
-
- if (digit || output_len || divisor == 1)
- {
- kputchar(digit + '0');
- ++output_len;
- }
- }
- while (divisor /= 10);
-
- return output_len;
-}
-
-
-static void klocation(const char * PGM_ATTR file, int line)
-{
- PGM_FUNC(kputs)(file);
- kputchar(':');
- kputnum(line);
- PGM_FUNC(kputs)(PGM_STR(": "));
-}
-
-int PGM_FUNC(__assert)(const char * PGM_ATTR cond, const char * PGM_ATTR file, int line)
-{
- klocation(file, line);
- PGM_FUNC(kputs)(PGM_STR("Assertion failed: "));
- PGM_FUNC(kputs)(cond);
- kputchar('\n');
- BREAKPOINT;
- return 1;
-}
-
-/*
- * Unfortunately, there's no way to get __func__ in
- * program memory, so we waste quite a lot of RAM in
- * AVR and other Harvard processors.
- */
-void PGM_FUNC(__trace)(const char *name)
-{
- PGM_FUNC(kprintf)(PGM_STR("%s()\n"), name);
-}
-
-void PGM_FUNC(__tracemsg)(const char *name, const char * PGM_ATTR fmt, ...)
-{
- va_list ap;
-
- PGM_FUNC(kprintf)(PGM_STR("%s(): "), name);
- va_start(ap, fmt);
- PGM_FUNC(kvprintf)(fmt, ap);
- va_end(ap);
- kputchar('\n');
-}
-
-int PGM_FUNC(__invalid_ptr)(void *value, const char * PGM_ATTR name, const char * PGM_ATTR file, int line)
-{
- klocation(file, line);
- PGM_FUNC(kputs)(PGM_STR("Invalid ptr: "));
- PGM_FUNC(kputs)(name);
- #if CONFIG_PRINTF
- PGM_FUNC(kprintf)(PGM_STR(" = 0x%p\n"), value);
- #else
- (void)value;
- kputchar('\n');
- #endif
- return 1;
-}
-
-
-void __init_wall(long *wall, int size)
-{
- while(size--)
- *wall++ = WALL_VALUE;
-}
-
-
-int PGM_FUNC(__check_wall)(long *wall, int size, const char * PGM_ATTR name, const char * PGM_ATTR file, int line)
-{
- int i, fail = 0;
-
- for (i = 0; i < size; i++)
- {
- if (wall[i] != WALL_VALUE)
- {
- klocation(file, line);
- PGM_FUNC(kputs)(PGM_STR("Wall broken: "));
- PGM_FUNC(kputs)(name);
- #if CONFIG_PRINTF
- PGM_FUNC(kprintf)(PGM_STR("[%d] (0x%p) = 0x%lx\n"), i, wall + i, wall[i]);
- #else
- kputchar('\n');
- #endif
- fail = 1;
- }
- }
-
- return fail;
-}
-
-
-#if CONFIG_PRINTF
-
-/**
- * Dump binary data in hex
- */
-void kdump(const void *_buf, size_t len)
-{
- const unsigned char *buf = (const unsigned char *)_buf;
-
- while (len--)
- kprintf("%02X", *buf++);
- kputchar('\n');
-}
-
-#endif /* CONFIG_PRINTF */
-
-#endif /* _DEBUG */
projects / bertos.git / blobdiff