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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [mn10300/] [asb2305/] [current/] [src/] [hal_diag.c] - Rev 794
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//============================================================================= // // hal_diag.c // // HAL diagnostic output code // //============================================================================= // ####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): dmoseley (based on the original by jskov) // Contributors:nickg, jskov, dmoseley // Date: 2000-08-11 // Purpose: HAL diagnostic output // Description: Implementations of HAL diagnostic output support. // //####DESCRIPTIONEND#### // //============================================================================= #include <pkgconf/hal.h> #if !defined(CYGSEM_HAL_VIRTUAL_VECTOR_DIAG) #warning HAL_DIAG has only been verified using CYGSEM_HAL_VIRTUAL_VECTOR_DIAG #include <cyg/infra/cyg_type.h> // base types #include <cyg/infra/cyg_trac.h> // tracing macros #include <cyg/infra/cyg_ass.h> // assertion macros #include <cyg/hal/hal_diag.h> #include <cyg/hal/hal_intr.h> #warning GET HAL_DIAG STUFF WORKING /*---------------------------------------------------------------------------*/ /* Select default diag channel to use */ //#define CYG_KERNEL_DIAG_SERIAL //#define CYG_KERNEL_DIAG_BUFFER //#define CYG_KERNEL_DIAG_GDB #if !defined(CYG_KERNEL_DIAG_SERIAL) && defined(CYGSEM_HAL_USE_ROM_MONITOR_GDB_stubs) # define CYG_KERNEL_DIAG_SERIAL # define CYG_KERNEL_DIAG_GDB #else # define CYG_KERNEL_DIAG_SERIAL #endif /*---------------------------------------------------------------------------*/ externC void diag_write_string (const char*); #if defined(CYG_KERNEL_DIAG_SERIAL) extern void cyg_hal_plf_comms_init(void); extern void cyg_hal_plf_serial_putc(void*, cyg_uint8); extern cyg_uint8 cyg_hal_plf_serial_getc(void*); #endif #if defined(CYG_KERNEL_DIAG_BUFFER) char hal_diag_buffer[10000]; int hal_diag_buffer_pos; #endif void hal_diag_init(void) { #if defined(CYG_KERNEL_DIAG_SERIAL) cyg_hal_plf_comms_init(); #endif #if defined(CYG_KERNEL_DIAG_BUFFER) hal_diag_buffer_pos = 0; #endif } #ifdef CYG_KERNEL_DIAG_GDB 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; } } #endif // CYG_KERNEL_DIAG_GDB void hal_diag_write_char(char c) { unsigned long __state; HAL_DISABLE_INTERRUPTS(__state); if(c == '\n') { #if defined (CYG_KERNEL_DIAG_SERIAL) cyg_hal_plf_serial_putc(NULL, '\r'); cyg_hal_plf_serial_putc(NULL, '\n'); #endif #if defined(CYG_KERNEL_DIAG_BUFFER) hal_diag_buffer[hal_diag_buffer_pos++] = c; if (hal_diag_buffer_pos >= sizeof(hal_diag_buffer) ) hal_diag_buffer_pos = 0; #endif #if defined(CYG_KERNEL_DIAG_GDB) gdb_diag_write_char(c); #endif } else if (c == '\r') { // Ignore '\r' } else { #if defined(CYG_KERNEL_DIAG_SERIAL) cyg_hal_plf_serial_putc(NULL, c); #endif #if defined(CYG_KERNEL_DIAG_BUFFER) hal_diag_buffer[hal_diag_buffer_pos++] = c; if (hal_diag_buffer_pos >= sizeof(hal_diag_buffer) ) hal_diag_buffer_pos = 0; #endif #if defined(CYG_KERNEL_DIAG_GDB) gdb_diag_write_char(c); #endif } HAL_RESTORE_INTERRUPTS(__state); } void hal_diag_read_char(char *c) { #if defined(CYG_KERNEL_DIAG_SERIAL) cyg_hal_plf_serial_getc(c); #endif } #endif // CYGSEM_HAL_VIRTUAL_VECTOR_DIAG /*---------------------------------------------------------------------------*/ /* End of hal_diag.c */
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