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