1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2006 Marcel Moolenaar 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31#ifndef _MACHINE_GDB_MACHDEP_H_ 32#define _MACHINE_GDB_MACHDEP_H_ 33 34#ifdef BOOKE 35#define PPC_GDB_NREGS0 1 36#define PPC_GDB_NREGS4 (70 + 1) 37#define PPC_GDB_NREGS8 (1 + 32) 38#define PPC_GDB_NREGS16 0 39#else 40#define PPC_GDB_NREGS0 0 41#define PPC_GDB_NREGS4 (32 + 7 + 2) 42#define PPC_GDB_NREGS8 32 43#define PPC_GDB_NREGS16 32 44#endif 45 46#define GDB_NREGS (PPC_GDB_NREGS0 + PPC_GDB_NREGS4 + \ 47 PPC_GDB_NREGS8 + PPC_GDB_NREGS16) 48#define GDB_REG_PC 64 49 50#define GDB_BUFSZ (PPC_GDB_NREGS4 * 8 + \ 51 PPC_GDB_NREGS8 * 16 + \ 52 PPC_GDB_NREGS16 * 32) 53 54static __inline size_t 55gdb_cpu_regsz(int regnum) 56{ 57 58#ifdef BOOKE 59 if (regnum == 70) 60 return (0); 61 if (regnum == 71 || regnum >= 73) 62 return (8); 63#else 64 if (regnum >= 32 && regnum <= 63) 65 return (8); 66 if (regnum >= 71 && regnum <= 102) 67 return (16); 68#endif 69 return (4); 70} 71 72static __inline int 73gdb_cpu_query(void) 74{ 75 76 return (0); 77} 78 79static __inline void * 80gdb_begin_write(void) 81{ 82 83 return (NULL); 84} 85 86static __inline void 87gdb_end_write(void *arg __unused) 88{ 89 90} 91 92void *gdb_cpu_getreg(int, size_t *); 93void gdb_cpu_setreg(int, void *); 94int gdb_cpu_signal(int, int); 95 96#endif /* !_MACHINE_GDB_MACHDEP_H_ */ 97