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9624d94701
using the o32 ABI. This mostly follows nwhitehorn's lead in implementing
COMPAT_FREEBSD32 on powerpc64.
o) Add a new type to the freebsd32 compat layer, time32_t, which is time_t in the
32-bit ABI being used. Since the MIPS port is relatively-new, even the 32-bit
ABIs use a 64-bit time_t.
o) Because time{spec,val}32 has the same size and layout as time{spec,val} on MIPS
with 32-bit compatibility, then, disable some code which assumes otherwise
wrongly when built for MIPS. A more general macro to check in this case would
seem like a good idea eventually. If someone adds support for using n32
userland with n64 kernels on MIPS, then they will have to add a variety of
flags related to each piece of the ABI that can vary. That's probably the
right time to generalize further.
o) Add MIPS to the list of architectures which use PAD64_REQUIRED in the
freebsd32 compat code. Probably this should be generalized at some point.
Reviewed by: gonzo
104 lines
3.5 KiB
C
104 lines
3.5 KiB
C
/* $OpenBSD: proc.h,v 1.2 1998/09/15 10:50:12 pefo Exp $ */
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/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell.
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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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* 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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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)proc.h 8.1 (Berkeley) 6/10/93
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* JNPR: proc.h,v 1.7.2.1 2007/09/10 06:25:24 girish
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* $FreeBSD$
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*/
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#ifndef _MACHINE_PROC_H_
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#define _MACHINE_PROC_H_
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#ifdef CPU_CNMIPS
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#include <machine/octeon_cop2.h>
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#endif
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/*
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* Machine-dependent part of the proc structure.
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*/
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struct mdthread {
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int md_flags; /* machine-dependent flags */
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#if defined(__mips_n64) || defined(__mips_n32) /* PHYSADDR_64_BIT */
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uint64_t md_upte[KSTACK_PAGES]; /* ptes for mapping u pcb */
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#else
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int md_upte[KSTACK_PAGES];
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#endif
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int md_ss_addr; /* single step address for ptrace */
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int md_ss_instr; /* single step instruction for ptrace */
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register_t md_saved_intr;
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u_int md_spinlock_count;
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/* The following is CPU dependent, but kept in for compatibility */
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int md_pc_ctrl; /* performance counter control */
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int md_pc_count; /* performance counter */
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int md_pc_spill; /* performance counter spill */
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void *md_tls;
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#ifdef CPU_CNMIPS
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struct octeon_cop2_state *md_cop2; /* kernel context */
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struct octeon_cop2_state *md_ucop2; /* userland context */
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#define COP2_OWNER_USERLAND 0x0000 /* Userland owns COP2 */
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#define COP2_OWNER_KERNEL 0x0001 /* Kernel owns COP2 */
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int md_cop2owner;
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#endif
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};
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/* md_flags */
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#define MDTD_FPUSED 0x0001 /* Process used the FPU */
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#define MDTD_COP2USED 0x0002 /* Process used the COP2 */
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struct mdproc {
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/* empty */
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};
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#ifdef _KERNEL
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struct thread;
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void mips_cpu_switch(struct thread *, struct thread *, struct mtx *);
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void mips_cpu_throw(struct thread *, struct thread *);
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struct syscall_args {
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u_int code;
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struct sysent *callp;
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register_t args[8];
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int narg;
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struct trapframe *trapframe;
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};
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#endif
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#ifdef __mips_n64
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#define KINFO_PROC_SIZE 1088
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#define KINFO_PROC32_SIZE 816
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#else
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#define KINFO_PROC_SIZE 816
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#endif
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#endif /* !_MACHINE_PROC_H_ */
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