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