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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [cygmon/] [current/] [misc/] [bsp/] [common/] [debug-io.c] - Rev 786
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//========================================================================== // // debug-io.c // // BSP Debug Channel Interfaces. // //========================================================================== // ####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): // Contributors: gthomas // Date: 1999-10-20 // Purpose: BSP Debug Channel Interfaces. // Description: // // //####DESCRIPTIONEND#### // //========================================================================= #include <stdlib.h> #include <bsp/bsp.h> #include "bsp_if.h" static unsigned char __debug_ungetc; extern int stub_is_active; extern int __output_gdb_string (const char *str, int string_len); void bsp_debug_write(const char *p, int len) { struct bsp_comm_procs *com = bsp_shared_data->__debug_procs; if (stub_is_active) { // We are running in 'GDB' mode __output_gdb_string(p, len); } else { com->__write(com->ch_data, p, len); } } int bsp_debug_read(char *p, int len) { struct bsp_comm_procs *com = bsp_shared_data->__debug_procs; if (len <= 0) return 0; if (__debug_ungetc) { *p = __debug_ungetc; __debug_ungetc = 0; return 1; } return com->__read(com->ch_data, p, len); } void bsp_debug_putc(char ch) { struct bsp_comm_procs *com = bsp_shared_data->__debug_procs; com->__putc(com->ch_data, ch); } int bsp_debug_getc(void) { struct bsp_comm_procs *com = bsp_shared_data->__debug_procs; int ch; if (__debug_ungetc) { ch = __debug_ungetc; __debug_ungetc = 0; } else ch = com->__getc(com->ch_data); return ch; } void bsp_debug_ungetc(char ch) { __debug_ungetc = (unsigned char)ch; } int bsp_debug_irq_disable(void) { struct bsp_comm_procs *com = bsp_shared_data->__debug_procs; return com->__control(com->ch_data, COMMCTL_IRQ_DISABLE); } void bsp_debug_irq_enable(void) { struct bsp_comm_procs *com = bsp_shared_data->__debug_procs; com->__control(com->ch_data, COMMCTL_IRQ_ENABLE); }