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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [powerpc/] [arch/] [v2_0/] [include/] [ppc_stub.h] - Rev 174
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#ifndef CYGONCE_HAL_PPC_STUB_H #define CYGONCE_HAL_PPC_STUB_H //======================================================================== // // ppc_stub.h // // PowerPC-specific definitions for generic stub // //======================================================================== //####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): Red Hat, jskov // Contributors: Red Hat, jskov // Date: 1998-08-20 // Purpose: // Description: PowerPC-specific definitions for generic stub // Usage: // //####DESCRIPTIONEND#### // //======================================================================== #ifdef __cplusplus extern "C" { #endif #define NUMREGS 71 #define REGSIZE( _x_ ) (((_x_) >= F0 && (_x_) <= F31) ? 8 : 4) typedef unsigned long target_register_t; enum regnames { R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, F0, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21, F22, F23, F24, F25, F26, F27, F28, F29, F30, F31, PC, PS, CND, LR, CNT, XER, MQ }; // For convenience #define SP R1 typedef enum regnames regnames_t; /* Given a trap value TRAP, return the corresponding signal. */ extern int __computeSignal (unsigned int trap_number); /* Return the SPARC trap number corresponding to the last-taken trap. */ extern int __get_trap_number (void); /* Return the currently-saved value corresponding to register REG. */ extern target_register_t get_register (regnames_t reg); /* Store VALUE in the register corresponding to WHICH. */ extern 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. */ extern 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. */ void __single_step (void); /* Clear the single-step state. */ void __clear_single_step (void); /* If the breakpoint we hit is in the breakpoint() instruction, return a non-zero value. */ extern int __is_breakpoint_function (void); /* Skip the current instruction. */ extern void __skipinst (void); extern void __install_breakpoints (void); extern void __clear_breakpoints (void); #ifdef __cplusplus } /* extern "C" */ #endif #endif // ifndef CYGONCE_HAL_PPC_STUB_H