Пример #1
0
void hal_diag_write_char(char c)
{
#ifdef CYGDBG_DIAG_BUF
    diag_putc(c);
    if (!enable_diag_uart) return;
#endif // CYGDBG_DIAG_BUF
    hal_diag_write_char_serial(c);
}
Пример #2
0
void hal_diag_write_char(char c)
{
    hal_diag_init();
#ifdef DEBUG_DIAG
#ifndef CYG_HAL_STARTUP_ROM
    diag_buffer[diag_bp++] = c;
    if (diag_bp == sizeof(diag_buffer)) diag_bp = 0;
#endif
#endif
    hal_diag_write_char_serial(c);
}
Пример #3
0
static void gdb_diag_write_char(char c)
{
    static char line[100];
    static int pos = 0;

    // No need to send CRs
    if( c == '\r' ) return;

    line[pos++] = c;

    if( c == '\n' || pos == sizeof(line) )
    {
        while (1)
        {
            static char hex[] = "0123456789ABCDEF";
            cyg_uint8 csum = 0;
            int i;
        
            hal_diag_write_char_serial('$');
            hal_diag_write_char_serial('O');
            csum += 'O';
            for( i = 0; i < pos; i++ )
            {
                char ch = line[i];
                char h = hex[(ch>>4)&0xF];
                char l = hex[ch&0xF];
                hal_diag_write_char_serial(h);
                hal_diag_write_char_serial(l);
                csum += h;
                csum += l;
            }
            hal_diag_write_char_serial('#');
            hal_diag_write_char_serial(hex[(csum>>4)&0xF]);
            hal_diag_write_char_serial(hex[csum&0xF]);

            {
                char c1;

                hal_diag_read_char_serial( &c1 );

                if( c1 == '+' ) break;

                
                if( cyg_hal_is_break( &c1, 1 ) )
                    cyg_hal_user_break( NULL );
            }
        }
        
        pos = 0;
    }
}
Пример #4
0
void hal_diag_write_char(char c)
{
#ifdef CYG_KERNEL_DIAG_GDB

    static char line[100];
    static int pos = 0;

    // No need to send CRs
    if( c == '\r' ) return;

    line[pos++] = c;

    if( c == '\n' || pos == sizeof(line) )
    {
        // Disable interrupts. This prevents GDB trying to interrupt us
        // while we are in the middle of sending a packet. The serial
        // receive interrupt will be seen when we re-enable interrupts
        // later.

        CYG_INTERRUPT_STATE oldstate;
        CYG_BYTE wdcr;
        HAL_DISABLE_INTERRUPTS(oldstate);

        // Beacuse of problems with NT on the testfarm, we also have
        // to disable the watchdog here. This only matters in the
        // watchdog tests. And yes, this sends my irony meter off the
        // scale too.

        HAL_READ_UINT8( 0xC0001002, wdcr );
        HAL_WRITE_UINT8( 0xC0001002, wdcr&0x3F );
        
        while(1)
        {
            static char hex[] = "0123456789ABCDEF";
            cyg_uint8 csum = 0;
            int i;
        
            hal_diag_write_char_serial('$');
            hal_diag_write_char_serial('O');
            csum += 'O';
            for( i = 0; i < pos; i++ )
            {
                char ch = line[i];
                char h = hex[(ch>>4)&0xF];
                char l = hex[ch&0xF];
                hal_diag_write_char_serial(h);
                hal_diag_write_char_serial(l);
                csum += h;
                csum += l;
            }
            hal_diag_write_char_serial('#');
            hal_diag_write_char_serial(hex[(csum>>4)&0xF]);
            hal_diag_write_char_serial(hex[csum&0xF]);


            {
                char c1;

                hal_diag_read_char_serial( &c1 );

                if( c1 == '+' ) break;

                
                if( cyg_hal_is_break( &c1, 1 ) )
                    cyg_hal_user_break( NULL );

            }
        }
        
        pos = 0;

        // Wait for tx buffer to drain
        hal_diag_drain_serial();
        
        // And re-enable interrupts
        HAL_RESTORE_INTERRUPTS(oldstate);        
        HAL_WRITE_UINT8( 0xC0001002, wdcr );        
    }
Пример #5
0
void
hal_diag_write_char(char c)
{
    static char line[100];
    static int pos = 0;

    // No need to send CRs
    if( c == '\r' ) return;

    line[pos++] = c;

    if( c == '\n' || pos == sizeof(line) )
    {

        CYG_INTERRUPT_STATE old;

        // Disable interrupts. This prevents GDB trying to interrupt us
        // while we are in the middle of sending a packet. The serial
        // receive interrupt will be seen when we re-enable interrupts
        // later.

#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
        CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION(old);
#else
        HAL_DISABLE_INTERRUPTS(old);
#endif

        while(1)
        {
            static char hex[] = "0123456789ABCDEF";
            cyg_uint8 csum = 0;
            int i;
            char c1;

            hal_diag_write_char_serial('$');
            hal_diag_write_char_serial('O');
            csum += 'O';
            for( i = 0; i < pos; i++ )
            {
                char ch = line[i];
                char h = hex[(ch>>4)&0xF];
                char l = hex[ch&0xF];
                hal_diag_write_char_serial(h);
                hal_diag_write_char_serial(l);
                csum += h;
                csum += l;
            }
            hal_diag_write_char_serial('#');
            hal_diag_write_char_serial(hex[(csum>>4)&0xF]);
            hal_diag_write_char_serial(hex[csum&0xF]);

            // Wait for the ACK character '+' from GDB here and handle
            // receiving a ^C instead.  This is the reason for this clause
            // being a loop.
            if (!hal_diag_read_serial(&c1))
                continue;   // No response - try sending packet again

            if( c1 == '+' )
                break;              // a good acknowledge

#ifdef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
            cyg_drv_interrupt_acknowledge(__IRQ);
            if( c1 == 3 ) {
                // Ctrl-C: breakpoint.
                cyg_hal_gdb_interrupt (__builtin_return_address(0));
                break;
            }
#endif
            // otherwise, loop round again
        }

        pos = 0;


        // And re-enable interrupts
#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
        CYG_HAL_GDB_LEAVE_CRITICAL_IO_REGION(old);
#else
        HAL_RESTORE_INTERRUPTS(old);
#endif

    }
Пример #6
0
void hal_diag_write_char(char c)
{
    static char line[100];
    static int pos = 0;

#ifdef CYGDBG_DIAG_BUF
    diag_putc(c);
    if (!enable_diag_uart) return;
#endif // CYGDBG_DIAG_BUF

    // No need to send CRs
    if( c == '\r' ) return;

    line[pos++] = c;

    if( c == '\n' || pos == sizeof(line) )
    {
        CYG_INTERRUPT_STATE old;

        // Disable interrupts. This prevents GDB trying to interrupt us
        // while we are in the middle of sending a packet. The serial
        // receive interrupt will be seen when we re-enable interrupts
        // later.
        
#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
        CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION(old);
#else
        HAL_DISABLE_INTERRUPTS(old);
#endif
        
        while(1)
        {
            static char hex[] = "0123456789ABCDEF";
            cyg_uint8 csum = 0;
            int i;
        
            hal_diag_write_char_serial('$');
            hal_diag_write_char_serial('O');
            csum += 'O';
            for( i = 0; i < pos; i++ )
            {
                char ch = line[i];
                char h = hex[(ch>>4)&0xF];
                char l = hex[ch&0xF];
                hal_diag_write_char_serial(h);
                hal_diag_write_char_serial(l);
                csum += h;
                csum += l;
            }
            hal_diag_write_char_serial('#');
            hal_diag_write_char_serial(hex[(csum>>4)&0xF]);
            hal_diag_write_char_serial(hex[csum&0xF]);

#ifndef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
            // only gobble characters if no interrupt handler to grab ^Cs
            // is installed (which is exclusive with device driver use)

            // Wait for the ACK character '+' from GDB here and handle
            // receiving a ^C instead.  This is the reason for this clause
            // being a loop.
            c = cyg_hal_plf_serial_getc(eppc);

            if( c == '+' )
                break;              // a good acknowledge
#if 0
            if( c1 == 3 ) {
                // Ctrl-C: breakpoint.
                breakpoint();
                break;
            }
#endif
            // otherwise, loop round again
#else
            break;
#endif
        }
        
        pos = 0;

        // And re-enable interrupts
#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
        CYG_HAL_GDB_LEAVE_CRITICAL_IO_REGION(old);
#else
        HAL_RESTORE_INTERRUPTS(old);
#endif
        
    }