675e7c3fd6
This change adds PowerPC64 support for minidumps on libkvm. Address translation, page walk, and data retrieval were tested and seem to be working correctly. Reviewed by: jhibbits Differential Revision: https://reviews.freebsd.org/D21555
82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2019 Leandro Lupori
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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 __KVM_POWERPC64_H__
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#define __KVM_POWERPC64_H__
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/* Debug stuff */
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#define KVM_PPC64_DBG 0
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#if KVM_PPC64_DBG
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#include <stdio.h>
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#define dprintf(fmt, ...) printf(fmt, ## __VA_ARGS__)
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#else
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#define dprintf(fmt, ...)
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#endif
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#define PPC64_KERNBASE 0x100100ULL
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/* Page params */
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#define PPC64_PAGE_SHIFT 12
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#define PPC64_PAGE_SIZE (1ULL << PPC64_PAGE_SHIFT)
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#define PPC64_PAGE_MASK (PPC64_PAGE_SIZE - 1)
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#define ppc64_round_page(x) roundup2((kvaddr_t)(x), PPC64_PAGE_SIZE)
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#define PPC64_MMU_G5 "mmu_g5"
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#define PPC64_MMU_PHYP "mmu_phyp"
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/* MMU interface */
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#define PPC64_MMU_OPS(kd) (kd)->vmst->mmu.ops
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#define PPC64_MMU_OP(kd, op, ...) PPC64_MMU_OPS(kd)->op((kd), ## __VA_ARGS__)
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#define PPC64_MMU_DATA(kd) (kd)->vmst->mmu.data
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struct ppc64_mmu_ops {
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int (*init)(kvm_t *);
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void (*cleanup)(kvm_t *);
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int (*kvatop)(kvm_t *, kvaddr_t, off_t *);
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int (*walk_pages)(kvm_t *, kvm_walk_pages_cb_t *, void *);
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};
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struct ppc64_mmu {
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struct ppc64_mmu_ops *ops;
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void *data;
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};
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struct vmstate {
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struct minidumphdr hdr;
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uint64_t kimg_start;
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uint64_t kimg_end;
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struct ppc64_mmu mmu;
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};
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extern struct ppc64_mmu_ops *ppc64_mmu_ops_hpt;
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#endif /* !__KVM_POWERPC64_H__ */
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