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141 lines
3.4 KiB
C
141 lines
3.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2006 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MACHINE_GDB_MACHDEP_H_
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#define _MACHINE_GDB_MACHDEP_H_
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#ifdef BOOKE
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#define PPC_GDB_NREGS0 1
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#define PPC_GDB_NREGS4 (70 + 1)
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#define PPC_GDB_NREGS8 (1 + 32)
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#define PPC_GDB_NREGS16 0
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#else
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/*
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* 0 - 32*GPR(4/8)
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* 32 - 32*FPR(8)
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* 64 - PC, PS (4/8)
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* 66 - CR (4)
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* 67 - LR, CTR (4/8)
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* 69 - XER, FPSCR (4)
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* 71 - 32*VR(16)
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* 103 - VSCR, VRSAVE (4)
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*/
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#define PPC_REGNUM_R0 0
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#define PPC_REGNUM_R31 (PPC_REGNUM_R0 + 31)
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#define PPC_REGNUM_FR0 32
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#define PPC_REGNUM_FR31 (PPC_REGNUM_FR0 + 31)
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#define PPC_REGNUM_PC 64
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#define PPC_REGNUM_PS 65
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#define PPC_REGNUM_CR 66
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#define PPC_REGNUM_LR 67
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#define PPC_REGNUM_CTR 68
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#define PPC_REGNUM_XER 69
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#define PPC_REGNUM_FPSCR 70
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#define PPC_REGNUM_VR0 71
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#define PPC_REGNUM_VR31 (PPC_REGNUM_VR0 + 31)
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#define PPC_GDB_NREGS0 0
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#ifdef __powerpc64__
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#define PPC_GDB_NREGS4 5
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#define PPC_GDB_NREGS8 (64 + 4)
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#else
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#define PPC_GDB_NREGS4 (32 + 7 + 2)
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#define PPC_GDB_NREGS8 32
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#endif
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#define PPC_GDB_NREGS16 32
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#endif
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#define GDB_NREGS (PPC_GDB_NREGS0 + PPC_GDB_NREGS4 + \
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PPC_GDB_NREGS8 + PPC_GDB_NREGS16)
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#define GDB_REG_PC 64
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#define GDB_BUFSZ (PPC_GDB_NREGS4 * 8 + \
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PPC_GDB_NREGS8 * 16 + \
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PPC_GDB_NREGS16 * 32)
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static __inline size_t
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gdb_cpu_regsz(int regnum)
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{
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#ifdef BOOKE
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if (regnum == 70)
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return (0);
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if (regnum == 71 || regnum >= 73)
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return (8);
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#else
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#ifdef __powerpc64__
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if ((regnum >= PPC_REGNUM_R0 && regnum <= PPC_REGNUM_PS) ||
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regnum == PPC_REGNUM_LR || regnum == PPC_REGNUM_CTR)
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return (8);
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#else
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if (regnum >= PPC_REGNUM_FR0 && regnum <= PPC_REGNUM_FR31)
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return (8);
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#endif
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if (regnum >= PPC_REGNUM_VR0 && regnum <= PPC_REGNUM_VR31)
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return (16);
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#endif
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return (4);
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}
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static __inline int
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gdb_cpu_query(void)
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{
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return (0);
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}
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static __inline void *
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gdb_begin_write(void)
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{
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return (NULL);
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}
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static __inline void
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gdb_end_write(void *arg __unused)
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{
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}
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static __inline void
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gdb_cpu_stop_reason(int type __unused, int code __unused)
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{
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}
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void *gdb_cpu_getreg(int, size_t *);
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void gdb_cpu_setreg(int, void *);
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int gdb_cpu_signal(int, int);
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void gdb_cpu_do_offsets(void);
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#endif /* !_MACHINE_GDB_MACHDEP_H_ */
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