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_align.h
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_bus.h
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_inttypes.h
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_limits.h
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_stdint.h
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_types.h
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asm.h
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atomic.h
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bus.h
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bus_dma.h
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bus_dma_impl.h
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clock.h
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counter.h
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cpu.h
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cpufunc.h
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db_machdep.h
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dump.h
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efi.h
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elf.h
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encoding.h
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endian.h
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exec.h
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float.h
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floatingpoint.h
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fpe.h
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frame.h
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ieeefp.h
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in_cksum.h
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intr.h
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kdb.h
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machdep.h
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md_var.h
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memdev.h
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metadata.h
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minidump.h
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ofw_machdep.h
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param.h
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pcb.h
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pcpu.h
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pcpu_aux.h
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pmap.h
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pmc_mdep.h
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proc.h
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procctl.h
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profile.h
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psl.h
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pte.h
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ptrace.h
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reg.h
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reloc.h
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resource.h
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riscvreg.h
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runq.h
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sbi.h
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setjmp.h
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sf_buf.h
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sigframe.h
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signal.h
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smp.h
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stack.h
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stdarg.h
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sysarch.h
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trap.h
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ucontext.h
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vdso.h
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vm.h
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vmparam.h
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Editing: pmap.h
/*- * 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 <machine/pte.h> #ifndef LOCORE #include <sys/queue.h> #include <sys/_cpuset.h> #include <sys/_lock.h> #include <sys/_mutex.h> #include <vm/_vm_radix.h> #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; }; struct pmap { struct mtx pm_mtx; struct pmap_statistics pm_stats; /* pmap statictics */ pd_entry_t *pm_l1; u_long pm_satp; /* value for SATP register */ cpuset_t pm_active; /* active on cpus */ TAILQ_HEAD(,pv_chunk) pm_pvchunk; /* list of mappings in pmap */ LIST_ENTRY(pmap) pm_list; /* List of all pmaps */ struct vm_radix pm_root; }; 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 struct pv_chunk { struct pmap * pc_pmap; TAILQ_ENTRY(pv_chunk) pc_list; uint64_t pc_map[_NPCM]; /* bitmap; 1 = free */ TAILQ_ENTRY(pv_chunk) pc_lru; struct pv_entry pc_pventry[_NPCPV]; }; typedef struct pmap *pmap_t; #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) 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) struct thread; void pmap_activate_boot(pmap_t); void pmap_activate_sw(struct thread *); void pmap_bootstrap(vm_offset_t, vm_paddr_t, vm_size_t); void pmap_kenter_device(vm_offset_t, vm_size_t, vm_paddr_t); 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); bool pmap_page_is_mapped(vm_page_t m); bool pmap_ps_enabled(pmap_t); 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 **, pt_entry_t **); int pmap_fault_fixup(pmap_t, vm_offset_t, vm_prot_t); 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_ */
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