buffer.cxx

eCos/RedBoot for勤研ARM AnywhereII(4510) 含全部源代码

externC void
cyg_tracenomsg( const char *psz_func, const char *psz_file, cyg_uint32 linenum )
{
    cyg_uint32 old_ints;

    if( !cyg_infra_trace_buffer_enable ) return;
    
    HAL_DISABLE_INTERRUPTS(old_ints);

    Cyg_TraceRecord *rec = &cyg_infra_trace_buffer[cyg_infra_trace_buffer_pos];

    rec->what           = 0;
    rec->tid            = get_tid();
    rec->function       = psz_func;
    rec->file           = psz_file;
    rec->line           = linenum;
    rec->message        = 0;
    rec->narg           = 0;

    increment_buffer_pos();
    
    HAL_RESTORE_INTERRUPTS(old_ints);
    
};

// provide every other one of these as a space/caller bloat compromise.

externC void
cyg_tracemsg( cyg_uint32 what, 
              const char *psz_func, const char *psz_file, cyg_uint32 linenum,
              const char *psz_msg )
{
    cyg_uint32 old_ints;

    if( !cyg_infra_trace_buffer_enable ) return;

    HAL_DISABLE_INTERRUPTS(old_ints);

    Cyg_TraceRecord *rec = &cyg_infra_trace_buffer[cyg_infra_trace_buffer_pos];

    rec->what           = what;    
    rec->tid            = get_tid();
    rec->function       = psz_func;
    rec->file           = psz_file;
    rec->line           = linenum;
    rec->message        = psz_msg;
    rec->narg           = 0;

    increment_buffer_pos();

    HAL_RESTORE_INTERRUPTS(old_ints);

};

externC void
cyg_tracemsg2( cyg_uint32 what, 
               const char *psz_func, const char *psz_file, cyg_uint32 linenum,
               const char *psz_msg,
               CYG_ADDRWORD arg0,  CYG_ADDRWORD arg1 )
{
    cyg_uint32 old_ints;

    if( !cyg_infra_trace_buffer_enable ) return;

    HAL_DISABLE_INTERRUPTS(old_ints);

    Cyg_TraceRecord *rec = &cyg_infra_trace_buffer[cyg_infra_trace_buffer_pos];

    rec->what           = what;    
    rec->tid            = get_tid();
    rec->function       = psz_func;
    rec->file           = psz_file;
    rec->line           = linenum;
    rec->message        = psz_msg;
    rec->narg           = 2;

    rec->arg[0]         = arg0;
    rec->arg[1]         = arg1;
    
    increment_buffer_pos();
    
    HAL_RESTORE_INTERRUPTS(old_ints);
};

externC void
cyg_tracemsg4( cyg_uint32 what, 
               const char *psz_func, const char *psz_file, cyg_uint32 linenum,
               const char *psz_msg,
               CYG_ADDRWORD arg0,  CYG_ADDRWORD arg1,
               CYG_ADDRWORD arg2,  CYG_ADDRWORD arg3 )
{
    cyg_uint32 old_ints;

    if( !cyg_infra_trace_buffer_enable ) return;

    HAL_DISABLE_INTERRUPTS(old_ints);

    Cyg_TraceRecord *rec = &cyg_infra_trace_buffer[cyg_infra_trace_buffer_pos];

    rec->what           = what;    
    rec->tid            = get_tid();
    rec->function       = psz_func;
    rec->file           = psz_file;
    rec->line           = linenum;
    rec->message        = psz_msg;
    rec->narg           = 4;

    rec->arg[0]         = arg0;
    rec->arg[1]         = arg1;
    rec->arg[2]         = arg2;
    rec->arg[3]         = arg3;
    
    increment_buffer_pos();
    
    HAL_RESTORE_INTERRUPTS(old_ints);
};

externC void
cyg_tracemsg6( cyg_uint32 what, 
               const char *psz_func, const char *psz_file, cyg_uint32 linenum,
               const char *psz_msg,
               CYG_ADDRWORD arg0,  CYG_ADDRWORD arg1,
               CYG_ADDRWORD arg2,  CYG_ADDRWORD arg3,
               CYG_ADDRWORD arg4,  CYG_ADDRWORD arg5 )
{
    cyg_uint32 old_ints;

    if( !cyg_infra_trace_buffer_enable ) return;

    HAL_DISABLE_INTERRUPTS(old_ints);

    Cyg_TraceRecord *rec = &cyg_infra_trace_buffer[cyg_infra_trace_buffer_pos];

    rec->what           = what;    
    rec->tid            = get_tid();
    rec->function       = psz_func;
    rec->file           = psz_file;
    rec->line           = linenum;
    rec->message        = psz_msg;
    rec->narg           = 6;

    rec->arg[0]         = arg0;
    rec->arg[1]         = arg1;
    rec->arg[2]         = arg2;
    rec->arg[3]         = arg3;
    rec->arg[4]         = arg4;
    rec->arg[5]         = arg5;
    
    increment_buffer_pos();
    
    HAL_RESTORE_INTERRUPTS(old_ints);
};

externC void
cyg_tracemsg8( cyg_uint32 what, 
               const char *psz_func, const char *psz_file, cyg_uint32 linenum,
               const char *psz_msg,
               CYG_ADDRWORD arg0,  CYG_ADDRWORD arg1,
               CYG_ADDRWORD arg2,  CYG_ADDRWORD arg3,
               CYG_ADDRWORD arg4,  CYG_ADDRWORD arg5,
               CYG_ADDRWORD arg6,  CYG_ADDRWORD arg7 )
{
    cyg_uint32 old_ints;

    if( !cyg_infra_trace_buffer_enable ) return;

    HAL_DISABLE_INTERRUPTS(old_ints);

    Cyg_TraceRecord *rec = &cyg_infra_trace_buffer[cyg_infra_trace_buffer_pos];

    rec->what           = what;    
    rec->tid            = get_tid();
    rec->function       = psz_func;
    rec->file           = psz_file;
    rec->line           = linenum;
    rec->message        = psz_msg;
    rec->narg           = 6;

    rec->arg[0]         = arg0;
    rec->arg[1]         = arg1;
    rec->arg[2]         = arg2;
    rec->arg[3]         = arg3;
    rec->arg[4]         = arg4;
    rec->arg[5]         = arg5;
    rec->arg[6]         = arg6;
    rec->arg[7]         = arg7;
    
    increment_buffer_pos();
    
    HAL_RESTORE_INTERRUPTS(old_ints);
};

// -------------------------------------------------------------------------

externC void
cyg_trace_print(void)
{
    cyg_bool old_enable = cyg_infra_trace_buffer_enable;
    cyg_infra_trace_buffer_enable = false;
    print_trace_buffer();
    cyg_infra_trace_buffer_pos = 0;
    cyg_infra_trace_buffer_wrap = false;
    cyg_infra_trace_buffer_enable = old_enable;
}


// -------------------------------------------------------------------------

externC void
cyg_trace_dump(void)
{
#if defined(CYGPKG_KERNEL) && defined(CYG_DIAG_PRINTF)

    {
        diag_printf("\nScheduler:\n\n");

        Cyg_Scheduler *sched = &Cyg_Scheduler::scheduler;

        diag_printf("Lock:                %d\n",sched->get_sched_lock() );

# ifdef CYGVAR_KERNEL_THREADS_NAME
    
        diag_printf("Current Thread:      %s\n",sched->get_current_thread()->get_name());

# else

        diag_printf("Current Thread:    %d\n",sched->get_current_thread()->get_unique_id());
    
# endif

    }
    
# ifdef CYGVAR_KERNEL_THREADS_LIST

    {
        Cyg_Thread *t = Cyg_Thread::get_list_head();

        diag_printf("\nThreads:\n\n");
    
        while( NULL != t )
        {
            cyg_uint32 state = t->get_state();
            char tstate[7];
            char *tstate1 = "SCUKX";
            static char *(reasons[8]) =
            {
                "NONE",                           // No recorded reason
                "WAIT",                           // Wait with no timeout
                "DELAY",                          // Simple time delay
                "TIMEOUT",                        // Wait with timeout/timeout expired
                "BREAK",                          // forced break out of sleep
                "DESTRUCT",                       // wait object destroyed[note]
                "EXIT",                           // forced termination
                "DONE"                            // Wait/delay complete
            };

            if( 0 != state )
            {
                // Knock out chars that do not correspond to set bits.
                for( int i = 0; i < 6 ; i++ )
                    if( 0 == (state & (1<<i)) )
                        tstate[i] = ' ';
                    else tstate[i] = tstate1[i];
                tstate[6] = 0;
            }
            else tstate[0] = 'R', tstate[1] = 0;

#   ifdef CYGVAR_KERNEL_THREADS_NAME
        
            diag_printf( "%20s pri = %3d state = %6s id = %3d\n",
                         t->get_name(),
                         t->get_priority(),
                         tstate,
                         t->get_unique_id()
                );
#   else

            diag_printf( "Thread %3d        pri = %3d state = %6s\n",
                         t->get_unique_id(),
                         t->get_priority(),
                         tstate
                );

#   endif        
            diag_printf( "%20s stack base = %08x ptr = %08x size = %08x\n",
                         "",
                         t->get_stack_base(),
#ifdef CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT
                         t->get_saved_context(),
#else
                         0,
#endif
                         t->get_stack_size()
                );

            diag_printf( "%20s sleep reason %8s wake reason %8s\n",
                         "",
                         reasons[t->get_sleep_reason()],
                         reasons[t->get_wake_reason()]
                );

            diag_printf( "%20s queue = %08x      wait info = %08x\n",
                         "",
                         t->get_current_queue(),
                         t->get_wait_info()
                         );

            diag_printf("\n");
            t = t->get_list_next();
        }

    }
# endif // CYGVAR_KERNEL_THREADS_LIST
    
#endif // CYG_DIAG_PRINTF
}

#endif // CYGDBG_USE_TRACING

// -------------------------------------------------------------------------
// Assert functions:

#ifdef CYGDBG_USE_ASSERTS

externC void
cyg_assert_fail( const char *psz_func, const char *psz_file,
                 cyg_uint32 linenum, const char *psz_msg ) __THROW
{
    cyg_uint32 old_ints;

    HAL_DISABLE_INTERRUPTS(old_ints);
    DIAG_DEVICE_START_SYNC();

    diag_write_string("ASSERT FAIL: ");
    write_thread_id();
    diag_write_string(trim_file(psz_file));
    write_lnum(linenum);
    diag_write_string(trim_func(psz_func));
    diag_write_char(' ');
    diag_write_string(psz_msg);
    diag_write_char('\n');

#ifdef CYGDBG_INFRA_DEBUG_TRACE_BUFFER_PRINT_ON_ASSERT

    cyg_trace_print();
    cyg_trace_dump();

#endif
    
#ifdef CYGHWR_TEST_PROGRAM_EXIT
    CYGHWR_TEST_PROGRAM_EXIT();
#endif
    for(;;);
    
//    DIAG_DEVICE_END_SYNC();
//    HAL_RESTORE_INTERRUPTS(old_ints);
};

extern "C"
{
extern unsigned long _stext;
extern unsigned long _etext;

unsigned long stext_addr = (unsigned long)&_stext;
unsigned long etext_addr = (unsigned long)&_etext;
};

externC cyg_bool cyg_check_data_ptr(const void *ptr)
{
    unsigned long p = (unsigned long)ptr;
    
    if( p == 0 ) return false;

    if( p > stext_addr && p < etext_addr ) return false;

    return true;
}

externC cyg_bool cyg_check_func_ptr(const void (*ptr)(void))
{
    unsigned long p = (unsigned long)ptr;
    
    if( p == 0 ) return false;

    if( p < stext_addr && p > etext_addr ) return false;

    return true;
}

#endif // CYGDBG_USE_ASSERTS

#endif // CYGDBG_INFRA_DEBUG_TRACE_ASSERT_BUFFER

// -------------------------------------------------------------------------
// EOF buffer.cxx