diff --git a/sys/arm64/include/pmap.h b/sys/arm64/include/pmap.h index 1421d19aabda..90c70e8eca95 100644 --- a/sys/arm64/include/pmap.h +++ b/sys/arm64/include/pmap.h @@ -1,212 +1,211 @@ /*- * Copyright (c) 1991 Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department and William Jolitz of UUNET Technologies Inc. * * 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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_PMAP_H_ #define _MACHINE_PMAP_H_ #include #ifndef LOCORE #include #include #include #include #ifdef _KERNEL #define vtophys(va) pmap_kextract((vm_offset_t)(va)) #endif #define pmap_page_get_memattr(m) ((m)->md.pv_memattr) #define pmap_page_is_write_mapped(m) (((m)->a.flags & PGA_WRITEABLE) != 0) void pmap_page_set_memattr(vm_page_t m, vm_memattr_t ma); /* * Pmap stuff */ struct md_page { TAILQ_HEAD(,pv_entry) pv_list; int pv_gen; vm_memattr_t pv_memattr; }; /* * This structure is used to hold a virtual<->physical address * association and is used mostly by bootstrap code */ struct pv_addr { SLIST_ENTRY(pv_addr) pv_list; vm_offset_t pv_va; vm_paddr_t pv_pa; }; enum pmap_stage { PM_INVALID, PM_STAGE1, PM_STAGE2, }; struct pmap { struct mtx pm_mtx; struct pmap_statistics pm_stats; /* pmap statistics */ uint64_t pm_ttbr; vm_paddr_t pm_l0_paddr; pd_entry_t *pm_l0; TAILQ_HEAD(,pv_chunk) pm_pvchunk; /* list of mappings in pmap */ struct vm_radix pm_root; /* spare page table pages */ long pm_cookie; /* encodes the pmap's ASID */ struct asid_set *pm_asid_set; /* The ASID/VMID set to use */ enum pmap_stage pm_stage; int pm_levels; }; typedef struct pmap *pmap_t; typedef struct pv_entry { vm_offset_t pv_va; /* virtual address for mapping */ TAILQ_ENTRY(pv_entry) pv_next; } *pv_entry_t; /* * pv_entries are allocated in chunks per-process. This avoids the * need to track per-pmap assignments. */ #define _NPCM 3 #define _NPCPV 168 #define PV_CHUNK_HEADER \ pmap_t pc_pmap; \ TAILQ_ENTRY(pv_chunk) pc_list; \ uint64_t pc_map[_NPCM]; /* bitmap; 1 = free */ \ TAILQ_ENTRY(pv_chunk) pc_lru; struct pv_chunk_header { PV_CHUNK_HEADER }; struct pv_chunk { PV_CHUNK_HEADER struct pv_entry pc_pventry[_NPCPV]; }; struct thread; #ifdef _KERNEL extern struct pmap kernel_pmap_store; #define kernel_pmap (&kernel_pmap_store) #define pmap_kernel() kernel_pmap #define PMAP_ASSERT_LOCKED(pmap) \ mtx_assert(&(pmap)->pm_mtx, MA_OWNED) #define PMAP_LOCK(pmap) mtx_lock(&(pmap)->pm_mtx) #define PMAP_LOCK_ASSERT(pmap, type) \ mtx_assert(&(pmap)->pm_mtx, (type)) #define PMAP_LOCK_DESTROY(pmap) mtx_destroy(&(pmap)->pm_mtx) #define PMAP_LOCK_INIT(pmap) mtx_init(&(pmap)->pm_mtx, "pmap", \ NULL, MTX_DEF | MTX_DUPOK) #define PMAP_OWNED(pmap) mtx_owned(&(pmap)->pm_mtx) #define PMAP_MTX(pmap) (&(pmap)->pm_mtx) #define PMAP_TRYLOCK(pmap) mtx_trylock(&(pmap)->pm_mtx) #define PMAP_UNLOCK(pmap) mtx_unlock(&(pmap)->pm_mtx) #define ASID_RESERVED_FOR_PID_0 0 #define ASID_RESERVED_FOR_EFI 1 #define ASID_FIRST_AVAILABLE (ASID_RESERVED_FOR_EFI + 1) -#define ASID_TO_OPERAND_SHIFT 48 #define ASID_TO_OPERAND(asid) ({ \ KASSERT((asid) != -1, ("invalid ASID")); \ - (uint64_t)(asid) << ASID_TO_OPERAND_SHIFT; \ + (uint64_t)(asid) << TTBR_ASID_SHIFT; \ }) extern vm_offset_t virtual_avail; extern vm_offset_t virtual_end; /* * Macros to test if a mapping is mappable with an L1 Section mapping * or an L2 Large Page mapping. */ #define L1_MAPPABLE_P(va, pa, size) \ ((((va) | (pa)) & L1_OFFSET) == 0 && (size) >= L1_SIZE) #define pmap_vm_page_alloc_check(m) void pmap_activate_vm(pmap_t); void pmap_bootstrap(vm_offset_t, vm_offset_t, vm_paddr_t, vm_size_t); int pmap_change_attr(vm_offset_t va, vm_size_t size, int mode); int pmap_change_prot(vm_offset_t va, vm_size_t size, vm_prot_t prot); void pmap_kenter(vm_offset_t sva, vm_size_t size, vm_paddr_t pa, int mode); void pmap_kenter_device(vm_offset_t, vm_size_t, vm_paddr_t); bool pmap_klookup(vm_offset_t va, vm_paddr_t *pa); vm_paddr_t pmap_kextract(vm_offset_t va); void pmap_kremove(vm_offset_t); void pmap_kremove_device(vm_offset_t, vm_size_t); void *pmap_mapdev_attr(vm_offset_t pa, vm_size_t size, vm_memattr_t ma); bool pmap_page_is_mapped(vm_page_t m); int pmap_pinit_stage(pmap_t, enum pmap_stage, int); bool pmap_ps_enabled(pmap_t pmap); uint64_t pmap_to_ttbr0(pmap_t pmap); void *pmap_mapdev(vm_offset_t, vm_size_t); void *pmap_mapbios(vm_paddr_t, vm_size_t); void pmap_unmapdev(vm_offset_t, vm_size_t); void pmap_unmapbios(vm_offset_t, vm_size_t); boolean_t pmap_map_io_transient(vm_page_t *, vm_offset_t *, int, boolean_t); void pmap_unmap_io_transient(vm_page_t *, vm_offset_t *, int, boolean_t); bool pmap_get_tables(pmap_t, vm_offset_t, pd_entry_t **, pd_entry_t **, pd_entry_t **, pt_entry_t **); int pmap_fault(pmap_t, uint64_t, uint64_t); struct pcb *pmap_switch(struct thread *, struct thread *); extern void (*pmap_clean_stage2_tlbi)(void); extern void (*pmap_invalidate_vpipt_icache)(void); static inline int pmap_vmspace_copy(pmap_t dst_pmap __unused, pmap_t src_pmap __unused) { return (0); } #endif /* _KERNEL */ #endif /* !LOCORE */ #endif /* !_MACHINE_PMAP_H_ */