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//========================================================================== // // mn10300-mon.c // // Support code to extend the generic monitor code to support // MN10300 processors. // //========================================================================== //####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): dmoseley // Contributors: dmoseley // Date: 2000-08-11 // Purpose: Support code to extend the generic monitor code to support // MN10300 processors. // Description: Further board specific support is in other files. // This file contains: // register names lookup table // // Empty Stubs: // Interval timer - This should really belong to the application // operating system. // // Should not contain: // low level uart getchar and putchar functions // delay function to support uart // //####DESCRIPTIONEND#### // //========================================================================= #include "monitor.h" struct regstruct regtab[] = { {"d0", D0, 1}, {"d1", D1, 1}, {"d2", D2, 1}, {"d3", D3, 1}, {"a0", A0, 1}, {"a1", A1, 1}, {"a2", A2, 1}, {"a3", A3, 1}, {"sp", SP, 1}, {"pc", PC, 1}, {"mdr", MDR, 1}, {"psw", PSW, 1}, {"lir", LIR, 1}, {"lar", LAR, 1}, #ifdef CYGPKG_HAL_MN10300_AM33 {"r0", R0, 1}, {"r1", R1, 1}, {"r2", R2, 1}, {"r3", R3, 1}, {"r4", R4, 1}, {"r5", R5, 1}, {"r6", R6, 1}, {"r7", R7, 1}, {"ssp", SSP, 1}, {"msp", MSP, 1}, {"usp", USP, 1}, {"mcrh", MCRH, 1}, {"mcrl", MCRL, 1}, {"mcvf", MCVF, 1}, {"mdrq", MDRQ, 1}, #if CYGHWR_HAL_MN10300_AM33_REVISION == 2 {"fpcr", FPCR, 1}, {"fs0", FS0, 1}, {"fs1", FS1, 1}, {"fs2", FS2, 1}, {"fs3", FS3, 1}, {"fs4", FS4, 1}, {"fs5", FS5, 1}, {"fs6", FS6, 1}, {"fs7", FS7, 1}, {"fs8", FS8, 1}, {"fs9", FS9, 1}, {"fs10", FS10, 1}, {"fs11", FS11, 1}, {"fs12", FS12, 1}, {"fs13", FS13, 1}, {"fs14", FS14, 1}, {"fs15", FS15, 1}, {"fs16", FS16, 1}, {"fs17", FS17, 1}, {"fs18", FS18, 1}, {"fs19", FS19, 1}, {"fs20", FS20, 1}, {"fs21", FS21, 1}, {"fs22", FS22, 1}, {"fs23", FS23, 1}, {"fs24", FS24, 1}, {"fs25", FS25, 1}, {"fs26", FS26, 1}, {"fs27", FS27, 1}, {"fs28", FS28, 1}, {"fs29", FS29, 1}, {"fs30", FS30, 1}, {"fs31", FS31, 1}, #endif #endif { 0, 0, 1}, /* Terminating element must be last */ } ; void initialize_mon(void) { } /* initialize_mon */ #if CYGHWR_HAL_MN10300_AM33_REVISION == 2 extern int fpu_regs_read; #endif #ifdef CYGPKG_HAL_MN10300_AM33 extern int msp_read; #endif void initialize_mon_each_time(void) { int i; #if CYGHWR_HAL_MN10300_AM33_REVISION == 2 // Make sure the regtab[] indicates the valid status of the FPU registers for (i = 0; regtab[i].registername != NULL; i++) { if ((regtab[i].registernumber >= FP_START) && (regtab[i].registernumber <= FP_END)) regtab[i].registervalid = fpu_regs_read; } #endif #ifdef CYGPKG_HAL_MN10300_AM33 // Make sure the regtab[] indicates the valid status of the MSP for (i = 0; regtab[i].registername != NULL; i++) { if (regtab[i].registernumber == MSP) regtab[i].registervalid = msp_read; } #endif } /* initialize_mon_each_time */ #include <cyg/hal/hal_arch.h> #include <bsp/common/bsp_if.h> int machine_syscall(HAL_SavedRegisters *regs) { int res, err; target_register_t d0, d1, d2, d3; d0 = get_register(D0); d1 = get_register(D1); d2 = get_register(D2); d3 = get_register(D3); err = _bsp_do_syscall(d0, // Function d1, d2, d3, 0, // arguments, &res); if (err) { // This was a syscall. It has now been handled, so update the registers appropriately put_register(D0, res); bsp_skip_instruction(regs); } return err; } // Utility function for printing breakpoints void bp_print(target_register_t bp_val) { bsp_printf("0x%08lx\n", (unsigned long)bp_val); }