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#ifndef CYGONCE_KERNEL_TEST_STACKMON_H
#define CYGONCE_KERNEL_TEST_STACKMON_H
/*=================================================================
//
// stackmon.h
//
// Auxiliary test header file
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos 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 or (at your option) any later
// version.
//
// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): hmt
// Contributors: hmt
// Date: 1999-05-20
// Description:
// Defines some convenience functions for stack use output.
// Note:
// The functions are defined for both C and C++ usage - with different
// argument types.
//
//####DESCRIPTIONEND####
*/
#include <pkgconf/system.h>
#include <pkgconf/hal.h>
#include <cyg/hal/hal_arch.h>
#include <cyg/hal/hal_intr.h>
#include <cyg/infra/cyg_type.h>
#ifdef CYGPKG_KERNEL
#include <pkgconf/kernel.h>
# if defined(CYGFUN_KERNEL_API_C)
# include <cyg/kernel/kapi.h>
# endif
# if defined(__cplusplus)
# include <cyg/kernel/sched.hxx>
# include <cyg/kernel/thread.hxx>
# include <cyg/kernel/thread.inl>
# endif
# include <cyg/kernel/smp.hxx>
#endif
#ifndef STACKMON_PRINTF
#include <cyg/infra/diag.h>
#define STACKMON_PRINTF diag_printf
#endif
// ------------------------------------------------------------------------
// Utility function for actually counting a stack
inline void cyg_test_size_a_stack( char *comment, char *format,
char *base, char *top )
{
#ifdef CYGFUN_KERNEL_THREADS_STACK_CHECKING
cyg_uint32* cur32 = (cyg_uint32*) ((((CYG_ADDRWORD)&(base[CYGNUM_KERNEL_THREADS_STACK_CHECK_DATA_SIZE])) + 3) & ~3);
cyg_uint32* top32 = (cyg_uint32*) ((((CYG_ADDRWORD)top) + 3) & ~3);
for ( ; cur32 < top32; cur32++) {
if (*cur32 != 0xDEADBEEF) {
break;
}
}
STACKMON_PRINTF( format, comment, (CYG_ADDRWORD)top32 - (CYG_ADDRWORD)cur32, top - base );
#else
register char *p;
for ( p = base; p < top; p++ )
if ( *p )
break;
STACKMON_PRINTF( format, comment, top - p, top - base );
#endif
}
// ------------------------------------------------------------------------
inline void cyg_test_dump_stack_stats( char *comment,
char *base, char *top )
{
cyg_test_size_a_stack( comment, "%31s : stack used %5d size %5d\n",
base, top );
}
// ------------------------------------------------------------------------
#ifdef __cplusplus
inline void cyg_test_dump_thread_stack_stats( char *comment,
Cyg_Thread *p )
{
#if defined(CYGPKG_KERNEL)
char *base, *top;
base = (char *)p->get_stack_base();
top = base + p->get_stack_size();
cyg_test_dump_stack_stats( comment, base, top );
#endif
}
#else // __cplusplus
inline void cyg_test_dump_thread_stack_stats( char *comment,
cyg_handle_t p )
{
#if defined(CYGPKG_KERNEL) && defined(CYGFUN_KERNEL_API_C)
char *base, *top;
base = (char *) cyg_thread_get_stack_base( p );
top = base + cyg_thread_get_stack_size( p );
cyg_test_dump_stack_stats( comment, base, top );
#endif
}
#endif // __cplusplus
// ------------------------------------------------------------------------
// Print out size of idle thread stack usage since start-of-time. Only
// meaningful if there is a scheduler.
#ifdef __cplusplus
inline void cyg_test_dump_idlethread_stack_stats( char *comment )
{
#if defined(CYGPKG_KERNEL)
int i;
extern Cyg_Thread idle_thread[CYGNUM_KERNEL_CPU_MAX];
for( i = 0; i < CYGNUM_KERNEL_CPU_MAX; i++ )
{
// idle thread is not really a plain CygThread; danger.
char *ibase = (char *)idle_thread[i].get_stack_base();
char *istack = ibase + idle_thread[i].get_stack_size();
cyg_test_size_a_stack( comment,
"%20s : Idlethread stack used %5d size %5d\n",
ibase, istack );
}
#endif
}
#else // __cplusplus
inline void cyg_test_dump_idlethread_stack_stats( char *comment )
{
#if defined(CYGPKG_KERNEL) && defined(CYGFUN_KERNEL_API_C)
cyg_handle_t idle_thread = cyg_thread_idle_thread();
char *ibase = (char *)cyg_thread_get_stack_base( idle_thread );
char *istack = ibase + cyg_thread_get_stack_size( idle_thread );
cyg_test_size_a_stack( comment,
"%20s : Idlethread stack used %5d size %5d\n",
ibase, istack );
#endif
}
#endif // __cplusplus
// ------------------------------------------------------------------------
// Print out size of interrupt stack usage since start-of-time or since it
// was last cleared. NB on some architectures and configurations, the
// interrupt stack is the same as the bootup stack, so clear it in the
// first first thread to execute. Clearing it before scheduler start would
// be fatal!
#if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
externC char HAL_INTERRUPT_STACK_BASE[];
externC char HAL_INTERRUPT_STACK_TOP[];
#endif
inline void cyg_test_dump_interrupt_stack_stats( char *comment )
{
#ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
#if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
cyg_test_size_a_stack( comment,
"%20s : Interrupt stack used %5d size %5d\n",
HAL_INTERRUPT_STACK_BASE, HAL_INTERRUPT_STACK_TOP );
#endif
#endif
}
// Clear interrupt stack to reset stats - only after sched has started.
inline void cyg_test_clear_interrupt_stack( void )
{
#ifdef CYGIMP_HAL_COMMON_INTERRUPTS_USE_INTERRUPT_STACK
#if defined(HAL_INTERRUPT_STACK_BASE) && defined(HAL_INTERRUPT_STACK_TOP)
cyg_uint32 old_intr;
HAL_DISABLE_INTERRUPTS(old_intr);
# ifdef CYGFUN_KERNEL_THREADS_STACK_CHECKING
{
cyg_uint32* cur32 = (cyg_uint32*) ((((CYG_ADDRWORD)HAL_INTERRUPT_STACK_BASE) + 3) & ~3);
cyg_uint32* top32 = (cyg_uint32*) ((((CYG_ADDRWORD)HAL_INTERRUPT_STACK_TOP) + 3) & ~3);
for ( ; cur32 < top32; cur32++) {
*cur32 = 0xDEADBEEF;
}
}
# else
{
register char *p;
for ( p = HAL_INTERRUPT_STACK_BASE; p < HAL_INTERRUPT_STACK_TOP; p++ )
*p = 0; // zero it for checking later
}
# endif
HAL_RESTORE_INTERRUPTS(old_intr);
#endif
#endif
}
// ------------------------------------------------------------------------
#endif // ifndef CYGONCE_KERNEL_TEST_STACKMON_H
// EOF stackmon.h
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