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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [fr30/] [arch/] [current/] [include/] [fr30_stub.h] - Rev 786
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//======================================================================== // // fr30_stub.h // // FR30-specific definitions for remote debugging via gdb // //======================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2007 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): larsi // Contributors: // Date: 2007-07-09 // Purpose: Fujitsu FR30-specific definitions for gdb stubs support // // //####DESCRIPTIONEND#### // //============================================================================= #ifndef CYGONCE_HAL_FR30_STUB_H #define CYGONCE_HAL_FR30_STUB_H #include <pkgconf/system.h> #include <pkgconf/hal.h> #ifdef CYGPKG_IO_SERIAL #include <pkgconf/io_serial.h> #endif #include <cyg/hal/hal_diag.h> #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS #include <cyg/infra/cyg_type.h> // CYG_UNUSED_PARAM, externC #define HAL_STUB_PLATFORM_INIT_SERIAL() HAL_DIAG_INIT() #define HAL_STUB_PLATFORM_GET_CHAR() \ ((cyg_int8)({ \ cyg_int8 _ch_; \ HAL_DIAG_READ_CHAR(_ch_); \ _ch_; \ })) #define HAL_STUB_PLATFORM_PUT_CHAR(c) HAL_DIAG_WRITE_CHAR((c)) #define HAL_STUB_PLATFORM_SET_BAUD_RATE(baud) CYG_UNUSED_PARAM(int,(baud)) #define HAL_STUB_PLATFORM_RESET() HAL_DIAG_INIT() #define HAL_STUB_PLATFORM_INIT() HAL_DIAG_INIT() #endif // ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS #define FR30_GENREGS 16 #define FR30_DEDICATEDREGS 8 #define FR30_REGSIZE 4 /* bytes */ // only NUMREGS and REGSIZE are the really needed macros #define NUMREGS (FR30_GENREGS + FR30_DEDICATEDREGS) #define REGSIZE( _x_ ) FR30_REGSIZE typedef unsigned long target_register_t; enum regnames { R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, SP, PC, PS, TBR, RP, SSP, USP, MDH, MDL }; typedef enum regnames regnames_t; // Override generic stubs get_register() and use arch-specific version #define CYGARC_STUB_REGISTER_ACCESS_DEFINED #if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT) || defined(CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT) #define HAL_GET_PROFILE_INFO( _thepc_, _thesp_ ) \ CYG_MACRO_START \ extern HAL_SavedRegisters *hal_saved_interrupt_state; \ if ( hal_saved_interrupt_state ) { \ (_thepc_) = (char *)(hal_saved_interrupt_state->pc); \ (_thesp_) = (char *)(hal_saved_interrupt_state->sp); \ } \ CYG_MACRO_END #endif /* Given a trap value TRAP, return the corresponding signal. */ externC int __computeSignal (unsigned int trap_number); /* Return the trap number corresponding to the last-taken trap. */ externC int __get_trap_number (void); /* Return the currently-saved value corresponding to register REG. */ externC target_register_t get_register (regnames_t reg); /* Store VALUE in the register corresponding to WHICH. */ externC void put_register (regnames_t which, target_register_t value); /* Set the currently-saved pc register value to PC. This also updates NPC as needed. */ externC void set_pc (target_register_t pc); /* Set things up so that the next user resume will execute one instruction. This may be done by setting breakpoints or setting a single step flag in the saved user registers, for example. */ externC void __single_step (void); /* Clear the single-step state. */ externC void __clear_single_step (void); /* If the breakpoint we hit is in the breakpoint() instruction, return a non-zero value. */ externC int __is_breakpoint_function (void); /* Skip the current instruction. */ externC void __skipinst (void); externC void __install_breakpoints (void); externC void __clear_breakpoints (void); #endif // ifndef CYGONCE_HAL_FR30_STUB_H // EOF fr30_stub.h