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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [cygmon/] [v2_0/] [misc/] [mips/] [mips-mon.c] - Rev 307
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//========================================================================== // // mips-mon.c // // Support code to extend the generic monitor code to support // MIPS 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: 2000-06-07 // Purpose: Support code to extend the generic monitor code to support // MIPS(R) 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[] = { { "zero", REG_ZERO }, { "at", REG_AT }, { "v0", REG_V0 }, { "v1", REG_V1 }, { "a0", REG_A0 }, { "a1", REG_A1 }, { "a2", REG_A2 }, { "a3", REG_A3 }, { "t0", REG_T0 }, { "t1", REG_T1 }, { "t2", REG_T2 }, { "t3", REG_T3 }, { "t4", REG_T4 }, { "t5", REG_T5 }, { "t6", REG_T6 }, { "t7", REG_T7 }, { "s0", REG_S0 }, { "s1", REG_S1 }, { "s2", REG_S2 }, { "s3", REG_S3 }, { "s4", REG_S4 }, { "s5", REG_S5 }, { "s6", REG_S6 }, { "s7", REG_S7 }, { "t8", REG_T8 }, { "t9", REG_T9 }, { "k0", REG_K0 }, { "k1", REG_K1 }, { "gp", REG_GP }, { "sp", REG_SP }, { "s8", REG_S8 }, { "ra", REG_RA }, { "sr", REG_SR }, { "lo", REG_LO }, { "hi", REG_HI }, { "badvr", REG_BAD }, { "cause", REG_CAUSE }, { "pc", REG_PC }, #ifdef CYGHWR_HAL_MIPS_FPU { "f0", REG_F0 }, { "f1", REG_F1 }, { "f2", REG_F2 }, { "f3", REG_F3 }, { "f4", REG_F4 }, { "f5", REG_F5 }, { "f6", REG_F6 }, { "f7", REG_F7 }, { "f8", REG_F8 }, { "f9", REG_F9 }, { "f10", REG_F10 }, { "f11", REG_F11 }, { "f12", REG_F12 }, { "f13", REG_F13 }, { "f14", REG_F14 }, { "f15", REG_F15 }, { "f16", REG_F16 }, { "f17", REG_F17 }, { "f18", REG_F18 }, { "f19", REG_F19 }, { "f20", REG_F20 }, { "f21", REG_F21 }, { "f22", REG_F22 }, { "f23", REG_F23 }, { "f24", REG_F24 }, { "f25", REG_F25 }, { "f26", REG_F26 }, { "f27", REG_F27 }, { "f28", REG_F28 }, { "f29", REG_F29 }, { "f30", REG_F30 }, { "f31", REG_F31 }, { "fcr31", REG_FCR31 }, #endif /* CYGHWR_HAL_MIPS_FPU */ { 0, 0 }, /* Terminating element must be last */ } ; void initialize_mon(void) { } /* initialize_mon */ #include <cyg/hal/hal_arch.h> #include <bsp/common/bsp_if.h> int machine_syscall(HAL_SavedRegisters *regs) { int res, err; target_register_t a0, a1, a2, a3; a0 = get_register(REG_A0); a1 = get_register(REG_A1); a2 = get_register(REG_A2); a3 = get_register(REG_A3); err = _bsp_do_syscall(a0, // Function a1, a2, a3, 0, // arguments, &res); if (err) { // This was a syscall. It has now been handled, so update the registers appropriately put_register(REG_V0, 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); }
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