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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [mips/] [jmr3904/] [v2_0/] [src/] [plf_stub.c] - Rev 174
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//============================================================================= // // plf_stub.c // // Platform specific code for GDB stub support. // //============================================================================= //####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, jskov (based on the old tx39 hal_stub.c) // Contributors:nickg, jskov // Date: 1999-02-12 // Purpose: Platform specific code for GDB stub support. // //####DESCRIPTIONEND#### // //============================================================================= #include <pkgconf/hal.h> #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS #include <cyg/hal/hal_stub.h> #include <cyg/hal/hal_io.h> // HAL IO macros #include <cyg/hal/hal_diag.h> // diag output. FIXME //----------------------------------------------------------------------------- // Serial definitions. #define DIAG_BASE 0xfffff300 #define DIAG_SLCR (DIAG_BASE+0x00) #define DIAG_SLSR (DIAG_BASE+0x04) #define DIAG_SLDICR (DIAG_BASE+0x08) #define DIAG_SLDISR (DIAG_BASE+0x0C) #define DIAG_SFCR (DIAG_BASE+0x10) #define DIAG_SBRG (DIAG_BASE+0x14) #define DIAG_TFIFO (DIAG_BASE+0x20) #define DIAG_RFIFO (DIAG_BASE+0x30) #define BRG_T0 0x0000 #define BRG_T2 0x0100 #define BRG_T4 0x0200 #define BRG_T5 0x0300 //----------------------------------------------------------------------------- // Initialize the current serial port. void hal_jmr_init_serial( void ) { //hal_diag_led(0x10); HAL_WRITE_UINT16( DIAG_SLCR , 0x0020 ); HAL_WRITE_UINT16( DIAG_SLDICR , 0x0000 ); HAL_WRITE_UINT16( DIAG_SFCR , 0x0000 ); // HAL_WRITE_UINT16( DIAG_SBRG , BRG_T2 | 20 ); // HAL_WRITE_UINT16( DIAG_SBRG , BRG_T2 | 10 ); HAL_WRITE_UINT16( DIAG_SBRG , BRG_T2 | 5 ); //hal_diag_led(0x10); } // Write C to the current serial port. void hal_jmr_put_char( int c ) { CYG_WORD16 disr; //hal_diag_led(0x20); for(;;) { HAL_READ_UINT16( DIAG_SLDISR , disr ); if( disr & 0x0002 ) break; } disr = disr & ~0x0002; HAL_WRITE_UINT8( DIAG_TFIFO, c ); HAL_WRITE_UINT16( DIAG_SLDISR , disr ); //hal_diag_led(0x20); // HAL_DIAG_WRITE_CHAR( c ); } // Read one character from the current serial port. int hal_jmr_get_char( void ) { #ifdef CYGPKG_HAL_MIPS_SIM // FIXME: ask nickg if this can go to /dev/null static char input[] = "+$s#73"; static int i = 0; return input[i++]; #else char c; CYG_WORD16 disr; //hal_diag_led(0x40); for(;;) { HAL_READ_UINT16( DIAG_SLDISR , disr ); if( disr & 0x0001 ) break; } disr = disr & ~0x0001; HAL_READ_UINT8( DIAG_RFIFO, c ); HAL_WRITE_UINT16( DIAG_SLDISR , disr ); //hal_diag_led(0x40); // HAL_DIAG_READ_CHAR(c); // diag_printf("<%02x:%c>",c); return c; #endif } #endif // ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS //----------------------------------------------------------------------------- // End of plf_stub.c