URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [cygmon/] [v2_0/] [misc/] [bsp/] [common/] [debug-io.c] - Rev 223
Go to most recent revision | Compare with Previous | Blame | View Log
//========================================================================== // // 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 Red Hat, 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., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 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. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-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); }
Go to most recent revision | Compare with Previous | Blame | View Log