55a12bbda2
The new POWER9 MMU configuration is slightly different from current setups. Rather than special-casing on POWER9, move the initialization of cpu_features and cpu_features2 to as early as possible, so that platform and MMU configuration can be based upon CPU features instead of specific CPUs if at all possible. Reviewed by: nwhitehorn
73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 1998 Doug Rabson
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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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* 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 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 AUTHOR 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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* $FreeBSD$
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*/
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#ifndef _MACHINE_MD_VAR_H_
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#define _MACHINE_MD_VAR_H_
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/*
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* Miscellaneous machine-dependent declarations.
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*/
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extern char sigcode32[];
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extern int szsigcode32;
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#ifdef __powerpc64__
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extern char sigcode64[], sigcode64_elfv2[];
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extern int szsigcode64, szsigcode64_elfv2;
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#endif
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extern long Maxmem;
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extern int busdma_swi_pending;
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extern vm_offset_t kstack0;
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extern vm_offset_t kstack0_phys;
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extern int powerpc_pow_enabled;
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extern int cacheline_size;
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extern int hw_direct_map;
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void __syncicache(void *, int);
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void busdma_swi(void);
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int is_physical_memory(vm_offset_t addr);
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int mem_valid(vm_offset_t addr, int len);
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void decr_init(void);
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void decr_ap_init(void);
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void decr_tc_init(void);
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void cpu_feature_setup(void);
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void cpu_setup(u_int);
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struct trapframe;
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void powerpc_interrupt(struct trapframe *);
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#endif /* !_MACHINE_MD_VAR_H_ */
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