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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. // Copyright (C) 2002 Gary Thomas // // 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> #ifndef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT // These should not need to be prototyped here, but where???? cyg_uint8 cyg_hal_plf_serial_getc(void); #if 1 void cyg_hal_plf_serial_putc(cyg_uint8 ch); #else void cyg_hal_plf_serial_putc(void* __ch_data, cyg_uint8 ch); #endif #if 1 void cyg_hal_plf_serial_init(void); #else void cyg_hal_plf_serial_init_channel(void); #endif #endif //#ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT #define LATER #ifdef LATER // See the #else clause at the end #if defined(CYGSEM_HAL_VIRTUAL_VECTOR_DIAG) #include <cyg/hal/hal_if.h> #define HAL_DIAG_INIT() hal_if_diag_init() #define HAL_DIAG_WRITE_CHAR(_c_) hal_if_diag_write_char(_c_) #define HAL_DIAG_READ_CHAR(_c_) hal_if_diag_read_char(&_c_) #else // everything by steam //----------------------------------------------------------------------------- // functions implemented in hal_diag.c externC void hal_diag_init(void); externC void hal_diag_write_char(char c); externC void hal_diag_read_char(char *c); //----------------------------------------------------------------------------- #define HAL_DIAG_INIT() hal_diag_init() #define HAL_DIAG_WRITE_CHAR(_c_) hal_diag_write_char(_c_) #define HAL_DIAG_READ_CHAR(_c_) hal_diag_read_char(&_c_) #endif // CYGSEM_HAL_VIRTUAL_VECTOR_DIAG //----------------------------------------------------------------------------- // end of hal_diag.h #else // Need to figure out what to do here at some point, for now, I just copied // these from the simulator hal_diag.h //----------------------------------------------------------------------------- // 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 0xf0001000 //----------------------------------------------------------------------------- #define HAL_DIAG_INIT() // Added by WPD #ifndef HAL_DISABLE_INTERRUPTS #define HAL_DISABLE_INTERRUPTS #define HAL_RESTORE_INTERRUPTS #endif #define HAL_DIAG_WRITE_CHAR(_c_) \ CYG_MACRO_START \ volatile unsigned char *tty_buffer = \ (unsigned char*)(OEA_DEV + PAL_WRITE_FIFO); \ volatile unsigned char *tty_status = \ (unsigned char*)(OEA_DEV + PAL_WRITE_STATUS); \ unsigned long __state; \ \ HAL_DISABLE_INTERRUPTS(__state); \ if( _c_ != '\r' ) \ { \ while( *tty_status == 0 ) continue; \ *tty_buffer = _c_; \ } \ HAL_RESTORE_INTERRUPTS(__state); \ CYG_MACRO_END #define HAL_DIAG_READ_CHAR(_c_) \ CYG_MACRO_START \ 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; \ CYG_MACRO_END #endif // LATER #endif // CYGONCE_HAL_HAL_DIAG_H
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