 @@ -1,212 +1,212 @@
-/*	$NetBSD: pmap.h,v 1.21 2020/03/14 14:05:43 ad Exp $	*/
+/*	$NetBSD: pmap.h,v 1.22 2023/09/28 06:19:19 skrll Exp $	*/
 /*
  * Copyright 2001 Wasabi Systems, Inc.
  * All rights reserved.
+ *
  * Written by Eduardo Horvath and Simon Burge for Wasabi Systems, 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. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *      This product includes software developed for the NetBSD Project by
  *      Wasabi Systems, Inc.
  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
  *    or promote products derived from this software without specific prior
  *    written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
  * 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.
  */
 /*-
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
  * Copyright (C) 1995, 1996 TooLs GmbH.
  * 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.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *	This product includes software developed by TooLs GmbH.
  * 4. The name of TooLs GmbH may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
  */
 #ifndef	_IBM4XX_PMAP_H_
 #define	_IBM4XX_PMAP_H_
 #ifdef _LOCORE
 #error use assym.h instead
 #endif
 #if defined(_MODULE)
 #error this file should not be included by loadable kernel modules
 #endif
 #include <powerpc/ibm4xx/tlb.h>
 #define KERNEL_PID	1	/* TLB PID to use for kernel translation */
 /*
  * A TTE is a 16KB or greater TLB entry w/size and endianness bits
  * stuffed in the (unused) low bits of the PA.
  */
 #define	TTE_PA_MASK		0xffffc000
 #define	TTE_RPN_MASK(sz)	(~((1 << (10 + 2 * (sz))) - 1))
 #define	TTE_ENDIAN		0x00002000
 #define	TTE_SZ_MASK		0x00001c00
 #define	TTE_SZ_SHIFT		10
 /* TTE_SZ_1K and TTE_SZ_4K are not allowed. */
 #define	TTE_SZ_16K	(TLB_SIZE_16K << TTE_SZ_SHIFT)
 #define	TTE_SZ_64K	(TLB_SIZE_64K << TTE_SZ_SHIFT)
 #define	TTE_SZ_256K	(TLB_SIZE_256K << TTE_SZ_SHIFT)
 #define	TTE_SZ_1M	(TLB_SIZE_1M << TTE_SZ_SHIFT)
 #define	TTE_SZ_4M	(TLB_SIZE_4M << TTE_SZ_SHIFT)
 #define	TTE_SZ_16M	(TLB_SIZE_16M << TTE_SZ_SHIFT)
 #define	TTE_EX		TLB_EX
 #define	TTE_WR		TLB_WR
 #define TTE_ZSEL_MASK	TLB_ZSEL_MASK
 #define TTE_ZSEL_SHFT	TLB_ZSEL_SHFT
 #define TTE_W		TLB_W
 #define TTE_I		TLB_I
 #define TTE_M		TLB_M
 #define TTE_G		TLB_G
 #define	ZONE_PRIV	0
 #define	ZONE_USER	1
 #define	TTE_PA(p)	((p)&TTE_PA_MASK)
 #define TTE_ZONE(z)	TLB_ZONE(z)
 /*
  * Definitions for sizes of 1st and 2nd level page tables.
+ *
  */
 #define	PTSZ		(PAGE_SIZE / 4)
 #define	PTMAP		(PTSZ * PAGE_SIZE)
 #define	PTMSK		((PTMAP - 1) & ~(PGOFSET))
 #define	PTIDX(v)	(((v) & PTMSK) >> PGSHIFT)
 /* 2nd level tables map in any bits not mapped by 1st level tables. */
 #define	STSZ		((0xffffffffU / (PAGE_SIZE * PTSZ)) + 1)
 #define	STMAP		(0xffffffffU)
 #define	STMSK		(~(PTMAP - 1))
 #define	STIDX(v)	((v) >> (PGSHIFT + 12))
 /*
  * Extra flags to pass to pmap_enter() -- make sure they don't conflict
  * w/PMAP_CANFAIL or PMAP_WIRED
  */
 #define	PME_NOCACHE	0x1000000
 #define	PME_WRITETHROUG	0x2000000
 /*
  * Pmap stuff
  */
 struct pmap {
 	volatile int pm_ctx;	/* PID to identify PMAP's entries in TLB */
 	int pm_refs;			/* ref count */
 	struct pmap_statistics pm_stats; /* pmap statistics */
 	volatile u_int *pm_ptbl[STSZ];	/* Array of 64 pointers to page tables. */
 };
 #ifdef	_KERNEL
 #define	PMAP_GROWKERNEL
 #define	PMAP_ATTR_REF		0x1
 #define	PMAP_ATTR_CHG		0x2
 #define pmap_clear_modify(pg)	(pmap_check_attr((pg), PMAP_ATTR_CHG, 1))
 #define	pmap_clear_reference(pg)(pmap_check_attr((pg), PMAP_ATTR_REF, 1))
 #define	pmap_is_modified(pg)	(pmap_check_attr((pg), PMAP_ATTR_CHG, 0))
 #define	pmap_is_referenced(pg)	(pmap_check_attr((pg), PMAP_ATTR_REF, 0))
 #define	pmap_phys_address(x)		(x)
 #define	pmap_resident_count(pmap)	((pmap)->pm_stats.resident_count)
 #define	pmap_wired_count(pmap)		((pmap)->pm_stats.wired_count)
 void pmap_unwire(struct pmap *pm, vaddr_t va);
 void pmap_bootstrap(u_int kernelstart, u_int kernelend);
 bool pmap_extract(struct pmap *, vaddr_t, paddr_t *);
 bool pmap_check_attr(struct vm_page *, u_int, int);
 void pmap_real_memory(paddr_t *, psize_t *);
 int pmap_tlbmiss(vaddr_t va, int ctx);
 static __inline bool
 pmap_remove_all(struct pmap *pmap)
+{
 	/* Nothing. */
 	return false;
+}
 int	ctx_alloc(struct pmap *);
 void	ctx_free(struct pmap *);
 #define PMAP_NEED_PROCWR
 void pmap_procwr(struct proc *, vaddr_t, size_t);
 /*
  * Alternate mapping hooks for pool pages.  Avoids thrashing the TLB.
+ *
  * Note: This won't work if we have more memory than can be direct-mapped
  * VA==PA all at once.  But pmap_copy_page() and pmap_zero_page() will have
  * this problem, too.
  */
 #define	PMAP_MAP_POOLPAGE(pa)	(pa)
 #define	PMAP_UNMAP_POOLPAGE(pa)	(pa)
 static __inline paddr_t vtophys(vaddr_t);
 static __inline paddr_t
 vtophys(vaddr_t va)
+{
 	paddr_t pa;
 	/* XXX should check battable */
 	if (pmap_extract(pmap_kernel(), va, &pa))
 		return pa;
 	return va;
+}
 #endif	/* _KERNEL */
 #endif	/* _IBM4XX_PMAP_H_ */

 @@ -1,279 +1,279 @@
-/*	$NetBSD: pmap.h,v 1.37 2022/05/07 07:10:46 rin Exp $	*/
+/*	$NetBSD: pmap.h,v 1.38 2023/09/28 06:19:19 skrll Exp $	*/
 /*-
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
  * Copyright (C) 1995, 1996 TooLs GmbH.
  * 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.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *	This product includes software developed by TooLs GmbH.
  * 4. The name of TooLs GmbH may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
  */
 #ifndef	_POWERPC_OEA_PMAP_H_
 #define	_POWERPC_OEA_PMAP_H_
 #ifdef _LOCORE
 #error use assym.h instead
 #endif
 #ifdef _MODULE
 #error this file should not be included by loadable kernel modules
 #endif
 #ifdef _KERNEL_OPT
 #include "opt_ppcarch.h"
 #include "opt_modular.h"
 #endif
 #include <powerpc/oea/pte.h>
 #define	__HAVE_PMAP_PV_TRACK
 #include <uvm/pmap/pmap_pvt.h>
 /*
  * Pmap stuff
  */
 struct pmap {
 #ifdef PPC_OEA64
 	struct steg *pm_steg_table;		/* segment table pointer */
 	/* XXX need way to track exec pages */
 #endif
 #if defined(PPC_OEA) || defined (PPC_OEA64_BRIDGE)
 	register_t pm_sr[16];			/* segments used in this pmap */
 	int pm_exec[16];			/* counts of exec mappings */
 #endif
 	register_t pm_vsid;			/* VSID bits */
 	int pm_refs;				/* ref count */
 	struct pmap_statistics pm_stats;	/* pmap statistics */
 	unsigned int pm_evictions;		/* pvo's not in page table */
 #ifdef PPC_OEA64
 	unsigned int pm_ste_evictions;
 #endif
 };
 struct pmap_ops {
 	int (*pmapop_pte_spill)(struct pmap *, vaddr_t, bool);
 	void (*pmapop_real_memory)(paddr_t *, psize_t *);
 	void (*pmapop_init)(void);
 	void (*pmapop_virtual_space)(vaddr_t *, vaddr_t *);
 	pmap_t (*pmapop_create)(void);
 	void (*pmapop_reference)(pmap_t);
 	void (*pmapop_destroy)(pmap_t);
 	void (*pmapop_copy)(pmap_t, pmap_t, vaddr_t, vsize_t, vaddr_t);
 	void (*pmapop_update)(pmap_t);
 	int (*pmapop_enter)(pmap_t, vaddr_t, paddr_t, vm_prot_t, u_int);
 	void (*pmapop_remove)(pmap_t, vaddr_t, vaddr_t);
 	void (*pmapop_kenter_pa)(vaddr_t, paddr_t, vm_prot_t, u_int);
 	void (*pmapop_kremove)(vaddr_t, vsize_t);
 	bool (*pmapop_extract)(pmap_t, vaddr_t, paddr_t *);
 	void (*pmapop_protect)(pmap_t, vaddr_t, vaddr_t, vm_prot_t);
 	void (*pmapop_unwire)(pmap_t, vaddr_t);
 	void (*pmapop_page_protect)(struct vm_page *, vm_prot_t);
 	void (*pmapop_pv_protect)(paddr_t, vm_prot_t);
 	bool (*pmapop_query_bit)(struct vm_page *, int);
 	bool (*pmapop_clear_bit)(struct vm_page *, int);
 	void (*pmapop_activate)(struct lwp *);
 	void (*pmapop_deactivate)(struct lwp *);
 	void (*pmapop_pinit)(pmap_t);
 	void (*pmapop_procwr)(struct proc *, vaddr_t, size_t);
 	void (*pmapop_pte_print)(volatile struct pte *);
 	void (*pmapop_pteg_check)(void);
 	void (*pmapop_print_mmuregs)(void);
 	void (*pmapop_print_pte)(pmap_t, vaddr_t);
 	void (*pmapop_pteg_dist)(void);
 	void (*pmapop_pvo_verify)(void);
 	vaddr_t (*pmapop_steal_memory)(vsize_t, vaddr_t *, vaddr_t *);
 	void (*pmapop_bootstrap)(paddr_t, paddr_t);
 	void (*pmapop_bootstrap1)(paddr_t, paddr_t);
 	void (*pmapop_bootstrap2)(void);
 };
 #ifdef	_KERNEL
 #include <sys/cdefs.h>
 __BEGIN_DECLS
 #include <sys/param.h>
 #include <sys/systm.h>
 #if defined (PPC_OEA) || defined (PPC_OEA64_BRIDGE)
 extern register_t iosrtable[];
 #endif
 extern int pmap_use_altivec;
 #define pmap_clear_modify(pg)		(pmap_clear_bit((pg), PTE_CHG))
 #define	pmap_clear_reference(pg)	(pmap_clear_bit((pg), PTE_REF))
 #define	pmap_is_modified(pg)		(pmap_query_bit((pg), PTE_CHG))
 #define	pmap_is_referenced(pg)		(pmap_query_bit((pg), PTE_REF))
 #define	pmap_resident_count(pmap)	((pmap)->pm_stats.resident_count)
 #define	pmap_wired_count(pmap)		((pmap)->pm_stats.wired_count)
 /* ARGSUSED */
 static __inline bool
 pmap_remove_all(struct pmap *pmap)
+{
 	/* Nothing. */
 	return false;
+}
 #if (defined(PPC_OEA) + defined(PPC_OEA64) + defined(PPC_OEA64_BRIDGE)) != 1
 #define	PMAP_NEEDS_FIXUP
 #endif
 extern volatile struct pteg *pmap_pteg_table;
 extern unsigned int pmap_pteg_cnt;
 extern unsigned int pmap_pteg_mask;
 void pmap_bootstrap(vaddr_t, vaddr_t);
 void pmap_bootstrap1(vaddr_t, vaddr_t);
 void pmap_bootstrap2(void);
 bool pmap_extract(pmap_t, vaddr_t, paddr_t *);
 bool pmap_query_bit(struct vm_page *, int);
 bool pmap_clear_bit(struct vm_page *, int);
 void pmap_real_memory(paddr_t *, psize_t *);
 void pmap_procwr(struct proc *, vaddr_t, size_t);
 int pmap_pte_spill(pmap_t, vaddr_t, bool);
 int pmap_ste_spill(pmap_t, vaddr_t, bool);
 void pmap_pinit(pmap_t);
 #ifdef PPC_OEA601
 bool	pmap_extract_ioseg601(vaddr_t, paddr_t *);
 #endif /* PPC_OEA601 */
 #ifdef PPC_OEA
 bool	pmap_extract_battable(vaddr_t, paddr_t *);
 #endif /* PPC_OEA */
 u_int powerpc_mmap_flags(paddr_t);
 #define POWERPC_MMAP_FLAG_MASK	0xf
 #define POWERPC_MMAP_FLAG_PREFETCHABLE	0x1
 #define POWERPC_MMAP_FLAG_CACHEABLE	0x2
 #define pmap_phys_address(ppn)		(ppn & ~POWERPC_MMAP_FLAG_MASK)
 #define pmap_mmap_flags(ppn)		powerpc_mmap_flags(ppn)
 static __inline paddr_t vtophys (vaddr_t);
 /*
  * Alternate mapping hooks for pool pages.  Avoids thrashing the TLB.
+ *
  * Note: This won't work if we have more memory than can be direct-mapped
  * VA==PA all at once.  But pmap_copy_page() and pmap_zero_page() will have
  * this problem, too.
  */
 #if !defined(PPC_OEA64) && !defined (PPC_OEA64_BRIDGE)
 #define	PMAP_MAP_POOLPAGE(pa)	(pa)
 #define	PMAP_UNMAP_POOLPAGE(pa)	(pa)
 #define POOL_VTOPHYS(va)	vtophys((vaddr_t) va)
 #endif
 static __inline paddr_t
 vtophys(vaddr_t va)
+{
 	paddr_t pa;
 	if (pmap_extract(pmap_kernel(), va, &pa))
 		return pa;
 	KASSERTMSG(0, "vtophys: pmap_extract of %#"PRIxVADDR" failed", va);
 	return (paddr_t) -1;
+}
 #ifdef PMAP_NEEDS_FIXUP
 extern const struct pmap_ops *pmapops;
 extern const struct pmap_ops pmap32_ops;
 extern const struct pmap_ops pmap64_ops;
 extern const struct pmap_ops pmap64bridge_ops;
 static __inline void
 pmap_setup32(void)
+{
 	pmapops = &pmap32_ops;
+}
 static __inline void
 pmap_setup64(void)
+{
 	pmapops = &pmap64_ops;
+}
 static __inline void
 pmap_setup64bridge(void)
+{
 	pmapops = &pmap64bridge_ops;
+}
 #endif
 bool pmap_pageidlezero (paddr_t);
 void pmap_syncicache (paddr_t, psize_t);
 #ifdef PPC_OEA64
 vaddr_t pmap_setusr (vaddr_t);
 vaddr_t pmap_unsetusr (void);
 #endif
 #ifdef PPC_OEA64_BRIDGE
 int pmap_setup_segment0_map(int use_large_pages, ...);
 #endif
 #define PMAP_MD_PREFETCHABLE		0x2000000
 #define PMAP_STEAL_MEMORY
 #define PMAP_NEED_PROCWR
 void pmap_zero_page(paddr_t);
 void pmap_copy_page(paddr_t, paddr_t);
 LIST_HEAD(pvo_head, pvo_entry);
 #define	__HAVE_VM_PAGE_MD
 struct pmap_page {
 	unsigned int pp_attrs;
 	struct pvo_head pp_pvoh;
 #ifdef MODULAR
 	uintptr_t pp_dummy[3];
 #endif
 };
 struct vm_page_md {
 	struct pmap_page mdpg_pp;
 #define	mdpg_attrs	mdpg_pp.pp_attrs
 #define	mdpg_pvoh	mdpg_pp.pp_pvoh
 #ifdef MODULAR
 #define	mdpg_dummy	mdpg_pp.pp_dummy
 #endif
 };
 #define	VM_MDPAGE_INIT(pg) do {			\
 	(pg)->mdpage.mdpg_attrs = 0;		\
 	LIST_INIT(&(pg)->mdpage.mdpg_pvoh);	\
 } while (/*CONSTCOND*/0)
 __END_DECLS
 #endif	/* _KERNEL */
 #endif	/* _POWERPC_OEA_PMAP_H_ */