mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-21 10:19:04 +00:00
1f1b2286fd
Reviewed by: kib (older version) Differential Revision: https://reviews.freebsd.org/D39921
225 lines
8.7 KiB
C
225 lines
8.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2005 Peter Grehan
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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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#ifndef _MACHINE_MMUVAR_H_
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#define _MACHINE_MMUVAR_H_
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typedef void (*pmap_bootstrap_t)(vm_offset_t, vm_offset_t);
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typedef void (*pmap_cpu_bootstrap_t)(int);
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typedef void (*pmap_kenter_t)(vm_offset_t, vm_paddr_t pa);
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typedef void (*pmap_kenter_attr_t)(vm_offset_t, vm_paddr_t, vm_memattr_t);
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typedef void (*pmap_kremove_t)(vm_offset_t);
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typedef void *(*pmap_mapdev_t)(vm_paddr_t, vm_size_t);
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typedef void *(*pmap_mapdev_attr_t)(vm_paddr_t, vm_size_t, vm_memattr_t);
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typedef void (*pmap_unmapdev_t)(void *, vm_size_t);
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typedef void (*pmap_page_set_memattr_t)(vm_page_t, vm_memattr_t);
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typedef int (*pmap_change_attr_t)(vm_offset_t, vm_size_t, vm_memattr_t);
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typedef int (*pmap_map_user_ptr_t)(pmap_t, volatile const void *,
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void **, size_t, size_t *);
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typedef int (*pmap_decode_kernel_ptr_t)(vm_offset_t, int *, vm_offset_t *);
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typedef vm_paddr_t (*pmap_kextract_t)(vm_offset_t);
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typedef int (*pmap_dev_direct_mapped_t)(vm_paddr_t, vm_size_t);
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typedef void (*pmap_page_array_startup_t)(long);
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typedef void (*pmap_advise_t)(pmap_t, vm_offset_t, vm_offset_t, int);
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typedef void (*pmap_clear_modify_t)(vm_page_t);
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typedef void (*pmap_remove_write_t)(vm_page_t);
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typedef void (*pmap_copy_t)(pmap_t, pmap_t, vm_offset_t, vm_size_t, vm_offset_t);
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typedef void (*pmap_copy_page_t)(vm_page_t, vm_page_t);
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typedef void (*pmap_copy_pages_t)(vm_page_t *, vm_offset_t,
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vm_page_t *, vm_offset_t, int);
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typedef int (*pmap_enter_t)(pmap_t, vm_offset_t, vm_page_t, vm_prot_t,
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u_int, int8_t);
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typedef void (*pmap_enter_object_t)(pmap_t, vm_offset_t, vm_offset_t,
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vm_page_t, vm_prot_t);
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typedef void (*pmap_enter_quick_t)(pmap_t, vm_offset_t, vm_page_t, vm_prot_t);
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typedef vm_paddr_t (*pmap_extract_t)(pmap_t, vm_offset_t);
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typedef vm_page_t (*pmap_extract_and_hold_t)(pmap_t, vm_offset_t, vm_prot_t);
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typedef void (*pmap_growkernel_t)(vm_offset_t);
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typedef void (*pmap_init_t)(void);
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typedef bool (*pmap_is_modified_t)(vm_page_t);
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typedef bool (*pmap_is_prefaultable_t)(pmap_t, vm_offset_t);
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typedef bool (*pmap_is_referenced_t)(vm_page_t);
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typedef int (*pmap_ts_referenced_t)(vm_page_t);
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typedef vm_offset_t (*pmap_map_t)(vm_offset_t *, vm_paddr_t, vm_paddr_t, int);
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typedef void (*pmap_object_init_pt_t)(pmap_t, vm_offset_t, vm_object_t,
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vm_pindex_t, vm_size_t);
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typedef bool (*pmap_page_exists_quick_t)(pmap_t, vm_page_t);
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typedef bool (*pmap_page_is_mapped_t)(vm_page_t);
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typedef void (*pmap_page_init_t)(vm_page_t);
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typedef int (*pmap_page_wired_mappings_t)(vm_page_t);
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typedef void (*pmap_pinit0_t)(pmap_t);
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typedef void (*pmap_protect_t)(pmap_t, vm_offset_t, vm_offset_t, vm_prot_t);
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typedef void (*pmap_qenter_t)(vm_offset_t, vm_page_t *, int);
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typedef void (*pmap_qremove_t)(vm_offset_t, int);
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typedef void (*pmap_release_t)(pmap_t);
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typedef void (*pmap_remove_t)(pmap_t, vm_offset_t, vm_offset_t);
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typedef void (*pmap_remove_all_t)(vm_page_t);
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typedef void (*pmap_remove_pages_t)(pmap_t);
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typedef void (*pmap_unwire_t)(pmap_t, vm_offset_t, vm_offset_t);
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typedef void (*pmap_zero_page_t)(vm_page_t);
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typedef void (*pmap_zero_page_area_t)(vm_page_t, int, int);
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typedef int (*pmap_mincore_t)(pmap_t, vm_offset_t, vm_paddr_t *);
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typedef void (*pmap_activate_t)(struct thread *);
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typedef void (*pmap_deactivate_t)(struct thread *);
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typedef void (*pmap_align_superpage_t)(vm_object_t, vm_ooffset_t,
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vm_offset_t *, vm_size_t);
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typedef void (*pmap_sync_icache_t)(pmap_t, vm_offset_t, vm_size_t);
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typedef void (*pmap_dumpsys_map_chunk_t)(vm_paddr_t, size_t, void **);
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typedef void (*pmap_dumpsys_unmap_chunk_t)(vm_paddr_t, size_t, void *);
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typedef void (*pmap_dumpsys_pa_init_t)(void);
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typedef size_t (*pmap_dumpsys_scan_pmap_t)(struct bitset *dump_bitset);
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typedef void *(*pmap_dumpsys_dump_pmap_init_t)(unsigned);
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typedef void *(*pmap_dumpsys_dump_pmap_t)(void *, void *, u_long *);
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typedef vm_offset_t (*pmap_quick_enter_page_t)(vm_page_t);
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typedef void (*pmap_quick_remove_page_t)(vm_offset_t);
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typedef bool (*pmap_ps_enabled_t)(pmap_t);
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typedef void (*pmap_tlbie_all_t)(void);
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typedef void (*pmap_installer_t)(void);
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struct pmap_funcs {
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pmap_installer_t install;
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pmap_bootstrap_t bootstrap;
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pmap_cpu_bootstrap_t cpu_bootstrap;
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pmap_kenter_t kenter;
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pmap_kenter_attr_t kenter_attr;
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pmap_kremove_t kremove;
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pmap_mapdev_t mapdev;
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pmap_mapdev_attr_t mapdev_attr;
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pmap_unmapdev_t unmapdev;
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pmap_page_set_memattr_t page_set_memattr;
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pmap_change_attr_t change_attr;
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pmap_map_user_ptr_t map_user_ptr;
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pmap_decode_kernel_ptr_t decode_kernel_ptr;
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pmap_kextract_t kextract;
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pmap_dev_direct_mapped_t dev_direct_mapped;
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pmap_advise_t advise;
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pmap_clear_modify_t clear_modify;
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pmap_remove_write_t remove_write;
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pmap_copy_t copy;
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pmap_copy_page_t copy_page;
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pmap_copy_pages_t copy_pages;
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pmap_enter_t enter;
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pmap_enter_object_t enter_object;
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pmap_enter_quick_t enter_quick;
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pmap_extract_t extract;
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pmap_extract_and_hold_t extract_and_hold;
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pmap_growkernel_t growkernel;
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pmap_init_t init;
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pmap_is_modified_t is_modified;
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pmap_is_prefaultable_t is_prefaultable;
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pmap_is_referenced_t is_referenced;
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pmap_ts_referenced_t ts_referenced;
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pmap_page_is_mapped_t page_is_mapped;
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pmap_ps_enabled_t ps_enabled;
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pmap_map_t map;
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pmap_object_init_pt_t object_init_pt;
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pmap_page_exists_quick_t page_exists_quick;
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pmap_page_init_t page_init;
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pmap_page_wired_mappings_t page_wired_mappings;
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pmap_pinit_t pinit;
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pmap_pinit0_t pinit0;
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pmap_protect_t protect;
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pmap_qenter_t qenter;
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pmap_qremove_t qremove;
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pmap_release_t release;
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pmap_remove_t remove;
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pmap_remove_all_t remove_all;
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pmap_remove_pages_t remove_pages;
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pmap_unwire_t unwire;
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pmap_zero_page_t zero_page;
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pmap_zero_page_area_t zero_page_area;
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pmap_mincore_t mincore;
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pmap_activate_t activate;
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pmap_deactivate_t deactivate;
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pmap_align_superpage_t align_superpage;
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pmap_sync_icache_t sync_icache;
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pmap_quick_enter_page_t quick_enter_page;
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pmap_quick_remove_page_t quick_remove_page;
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pmap_page_array_startup_t page_array_startup;
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pmap_dumpsys_map_chunk_t dumpsys_map_chunk;
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pmap_dumpsys_unmap_chunk_t dumpsys_unmap_chunk;
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pmap_dumpsys_pa_init_t dumpsys_pa_init;
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pmap_dumpsys_scan_pmap_t dumpsys_scan_pmap;
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pmap_dumpsys_dump_pmap_init_t dumpsys_dump_pmap_init;
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pmap_dumpsys_dump_pmap_t dumpsys_dump_pmap;
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pmap_tlbie_all_t tlbie_all;
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};
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struct mmu_kobj {
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const char *name;
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const struct mmu_kobj *base;
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const struct pmap_funcs *funcs;
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};
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typedef struct mmu_kobj *mmu_t;
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/* The currently installed pmap object. */
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extern mmu_t mmu_obj;
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/*
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* Resolve a given pmap function.
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* 'func' is the function name less the 'pmap_' * prefix.
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*/
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#define PMAP_RESOLVE_FUNC(func) \
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({ \
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pmap_##func##_t f; \
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const struct mmu_kobj *mmu = mmu_obj; \
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do { \
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f = mmu->funcs->func; \
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if (f != NULL) break; \
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mmu = mmu->base; \
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} while (mmu != NULL); \
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f;})
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#define MMU_DEF(name, ident, methods) \
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\
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const struct mmu_kobj name = { \
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ident, NULL, &methods \
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}; \
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DATA_SET(mmu_set, name)
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#define MMU_DEF_INHERIT(name, ident, methods, base1) \
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\
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const struct mmu_kobj name = { \
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ident, &base1, &methods, \
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}; \
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DATA_SET(mmu_set, name)
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/*
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* Known MMU names
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*/
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#define MMU_TYPE_BOOKE "mmu_booke" /* Book-E MMU specification */
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#define MMU_TYPE_OEA "mmu_oea" /* 32-bit OEA */
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#define MMU_TYPE_G5 "mmu_g5" /* 64-bit bridge (ibm 970) */
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#define MMU_TYPE_RADIX "mmu_radix" /* 64-bit native ISA 3.0 (POWER9) radix */
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#define MMU_TYPE_8xx "mmu_8xx" /* 8xx quicc TLB */
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#endif /* _MACHINE_MMUVAR_H_ */
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