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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [mips/] [sim/] [v2_0/] [include/] [hal_diag.h] - Rev 27
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#ifndef CYGONCE_HAL_HAL_DIAG_H #define CYGONCE_HAL_HAL_DIAG_H /*============================================================================= // // hal_diag.h // // HAL Support for Kernel Diagnostic Routines // //============================================================================= //####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): nickg // Contributors: nickg // Date: 1998-03-02 // Purpose: HAL Support for Kernel Diagnostic Routines // Description: Diagnostic routines for use during kernel development. // Usage: #include <cyg/hal/hal_diag.h> // //####DESCRIPTIONEND#### // //===========================================================================*/ #include <pkgconf/hal.h> #include <cyg/infra/cyg_type.h> /*---------------------------------------------------------------------------*/ #define CYG_DIAG_USE_PAL /*---------------------------------------------------------------------------*/ #ifdef CYG_DIAG_USE_PAL /*---------------------------------------------------------------------------*/ /* Register addresses */ #define PAL_RESET 0x00 #define PAL_CPU_NR 0x04 #define PAL_INT 0x08 #define PAL_NR_CPU 0x0a #define PAL_READ_FIFO 0x10 #define PAL_READ_STATUS 0x14 #define PAL_WRITE_FIFO 0x18 #define PAL_WRITE_STATUS 0x1a #define OEA_DEV 0xFFFF0000 /*---------------------------------------------------------------------------*/ #define HAL_DIAG_INIT() #define HAL_DIAG_WRITE_CHAR(_c_) \ { \ volatile unsigned char *tty_buffer = \ (unsigned char*)(OEA_DEV + PAL_WRITE_FIFO); \ volatile unsigned char *tty_status = \ (unsigned char*)(OEA_DEV + PAL_WRITE_STATUS); \ if( _c_ != '\r' ) \ { \ while( *tty_status == 0 ) continue; \ *tty_buffer = _c_; \ } \ } #define HAL_DIAG_READ_CHAR(_c_) \ { \ volatile unsigned char *tty_buffer = \ (unsigned char*)(OEA_DEV + PAL_READ_FIFO); \ volatile unsigned char *tty_status = \ (unsigned char*)(OEA_DEV + PAL_READ_STATUS); \ while( *tty_status == 0 ) continue; \ _c_ = *tty_buffer; \ } #else /*---------------------------------------------------------------------------*/ /* There is no diagnostic output on MIPS simulator */ #define HAL_DIAG_INIT() #define HAL_DIAG_WRITE_CHAR(_c_) #define HAL_DIAG_READ_CHAR(_c_) (_c_) = 0 #endif /*---------------------------------------------------------------------------*/ /* end of hal_diag.h */ #endif /* CYGONCE_HAL_HAL_DIAG_H */
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