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#ifndef CYGONCE_HAL_PPC_STUB_H
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#define CYGONCE_HAL_PPC_STUB_H
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//========================================================================
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//
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// ppc_stub.h
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//
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// PowerPC-specific definitions for generic stub
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//
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//========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): Red Hat, jskov
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// Contributors: Red Hat, jskov
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// Date: 1998-08-20
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// Purpose:
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// Description: PowerPC-specific definitions for generic stub
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// Usage:
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//
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//####DESCRIPTIONEND####
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//
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//========================================================================
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NUMREGS 71
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#define REGSIZE( _x_ ) (((_x_) >= F0 && (_x_) <= F31) ? 8 : 4)
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typedef unsigned long target_register_t;
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enum regnames {
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R0, R1, R2, R3, R4, R5, R6, R7,
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R8, R9, R10, R11, R12, R13, R14, R15,
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R16, R17, R18, R19, R20, R21, R22, R23,
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R24, R25, R26, R27, R28, R29, R30, R31,
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F0, F1, F2, F3, F4, F5, F6, F7,
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F8, F9, F10, F11, F12, F13, F14, F15,
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F16, F17, F18, F19, F20, F21, F22, F23,
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F24, F25, F26, F27, F28, F29, F30, F31,
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PC, PS, CND, LR, CNT, XER, MQ
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};
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// For convenience
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#define SP R1
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typedef enum regnames regnames_t;
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/* Given a trap value TRAP, return the corresponding signal. */
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extern int __computeSignal (unsigned int trap_number);
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/* Return the SPARC trap number corresponding to the last-taken trap. */
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extern int __get_trap_number (void);
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/* Return the currently-saved value corresponding to register REG. */
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extern target_register_t get_register (regnames_t reg);
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/* Store VALUE in the register corresponding to WHICH. */
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extern void put_register (regnames_t which, target_register_t value);
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/* Set the currently-saved pc register value to PC. This also updates NPC
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as needed. */
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extern void set_pc (target_register_t pc);
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/* Set things up so that the next user resume will execute one instruction.
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This may be done by setting breakpoints or setting a single step flag
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in the saved user registers, for example. */
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void __single_step (void);
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/* Clear the single-step state. */
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void __clear_single_step (void);
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/* If the breakpoint we hit is in the breakpoint() instruction, return a
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non-zero value. */
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extern int __is_breakpoint_function (void);
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/* Skip the current instruction. */
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extern void __skipinst (void);
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extern void __install_breakpoints (void);
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extern void __clear_breakpoints (void);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif // ifndef CYGONCE_HAL_PPC_STUB_H
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