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 54 static __inline size_t 55 gdb_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 72 static __inline int 73 gdb_cpu_query(void) 74 { 75 76 return (0); 77 } 78 79 static __inline void * 80 gdb_begin_write(void) 81 { 82 83 return (NULL); 84 } 85 86 static __inline void 87 gdb_end_write(void *arg __unused) 88 { 89 90 } 91 92 void *gdb_cpu_getreg(int, size_t *); 93 void gdb_cpu_setreg(int, void *); 94 int gdb_cpu_signal(int, int); 95 96 #endif /* !_MACHINE_GDB_MACHDEP_H_ */ 97