Index: head/sys/powerpc/include/vmparam.h =================================================================== --- head/sys/powerpc/include/vmparam.h (revision 341102) +++ head/sys/powerpc/include/vmparam.h (revision 341103) @@ -1,263 +1,268 @@ /*- * SPDX-License-Identifier: BSD-4-Clause * * 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. * * $NetBSD: vmparam.h,v 1.11 2000/02/11 19:25:16 thorpej Exp $ * $FreeBSD$ */ #ifndef _MACHINE_VMPARAM_H_ #define _MACHINE_VMPARAM_H_ #ifndef LOCORE #include #endif #define USRSTACK SHAREDPAGE #ifndef MAXTSIZ #define MAXTSIZ (1*1024*1024*1024) /* max text size */ #endif #ifndef DFLDSIZ #define DFLDSIZ (128*1024*1024) /* default data size */ #endif #ifndef MAXDSIZ #ifdef __powerpc64__ #define MAXDSIZ (32UL*1024*1024*1024) /* max data size */ #else #define MAXDSIZ (1*1024*1024*1024) /* max data size */ #endif #endif #ifndef DFLSSIZ #define DFLSSIZ (8*1024*1024) /* default stack size */ #endif #ifndef MAXSSIZ #ifdef __powerpc64__ #define MAXSSIZ (512*1024*1024) /* max stack size */ #else #define MAXSSIZ (64*1024*1024) /* max stack size */ #endif #endif #ifdef AIM #define VM_MAXUSER_ADDRESS32 ((vm_offset_t)0xfffff000) #else #define VM_MAXUSER_ADDRESS32 ((vm_offset_t)0x7ffff000) #endif /* * Would like to have MAX addresses = 0, but this doesn't (currently) work */ #if !defined(LOCORE) #ifdef __powerpc64__ #define VM_MIN_ADDRESS (0x0000000000000000UL) #define VM_MAXUSER_ADDRESS (0x3ffffffffffff000UL) #define VM_MAX_ADDRESS (0xffffffffffffffffUL) #else #define VM_MIN_ADDRESS ((vm_offset_t)0) #define VM_MAXUSER_ADDRESS VM_MAXUSER_ADDRESS32 #define VM_MAX_ADDRESS ((vm_offset_t)0xffffffff) #endif #define SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE) #else /* LOCORE */ #ifdef BOOKE #define VM_MIN_ADDRESS 0 #ifdef __powerpc64__ #define VM_MAXUSER_ADDRESS 0x3ffffffffffff000 #else #define VM_MAXUSER_ADDRESS 0x7ffff000 #endif #endif #endif /* LOCORE */ #define FREEBSD32_SHAREDPAGE (VM_MAXUSER_ADDRESS32 - PAGE_SIZE) #define FREEBSD32_USRSTACK FREEBSD32_SHAREDPAGE #ifdef __powerpc64__ +#ifndef LOCORE #define VM_MIN_KERNEL_ADDRESS 0xe000000000000000UL #define VM_MAX_KERNEL_ADDRESS 0xe0000007ffffffffUL +#else +#define VM_MIN_KERNEL_ADDRESS 0xe000000000000000 +#define VM_MAX_KERNEL_ADDRESS 0xe0000007ffffffff +#endif #define VM_MAX_SAFE_KERNEL_ADDRESS VM_MAX_KERNEL_ADDRESS #endif #ifdef AIM #define KERNBASE 0x00100100UL /* start of kernel virtual */ #ifndef __powerpc64__ #define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)KERNEL_SR << ADDR_SR_SHFT) #define VM_MAX_SAFE_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + 2*SEGMENT_LENGTH -1) #define VM_MAX_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + 3*SEGMENT_LENGTH - 1) #endif /* * Use the direct-mapped BAT registers for UMA small allocs. This * takes pressure off the small amount of available KVA. */ #define UMA_MD_SMALL_ALLOC #else /* Book-E */ #ifdef __powerpc64__ #ifndef LOCORE #define KERNBASE 0xe000000000000100UL /* start of kernel virtual */ #else #define KERNBASE 0xe000000000000100 /* start of kernel virtual */ #endif #else #define KERNBASE 0xc0000000 /* start of kernel virtual */ #define VM_MIN_KERNEL_ADDRESS KERNBASE #define VM_MAX_KERNEL_ADDRESS 0xffffefff #define VM_MAX_SAFE_KERNEL_ADDRESS VM_MAX_KERNEL_ADDRESS #endif #endif /* AIM/E500 */ #if !defined(LOCORE) struct pmap_physseg { struct pv_entry *pvent; char *attrs; }; #endif #define VM_PHYSSEG_MAX 16 /* 1? */ /* * The physical address space is densely populated on 32-bit systems, * but may not be on 64-bit ones. */ #ifdef __powerpc64__ #define VM_PHYSSEG_SPARSE #else #define VM_PHYSSEG_DENSE #endif /* * Create two free page pools: VM_FREEPOOL_DEFAULT is the default pool * from which physical pages are allocated and VM_FREEPOOL_DIRECT is * the pool from which physical pages for small UMA objects are * allocated. */ #define VM_NFREEPOOL 2 #define VM_FREEPOOL_DEFAULT 0 #define VM_FREEPOOL_DIRECT 1 /* * Create one free page list. */ #define VM_NFREELIST 1 #define VM_FREELIST_DEFAULT 0 /* * The largest allocation size is 4MB. */ #define VM_NFREEORDER 11 /* * Disable superpage reservations. */ #ifndef VM_NRESERVLEVEL #define VM_NRESERVLEVEL 0 #endif #ifndef VM_INITIAL_PAGEIN #define VM_INITIAL_PAGEIN 16 #endif #ifndef SGROWSIZ #define SGROWSIZ (128UL*1024) /* amount to grow stack */ #endif /* * How many physical pages per kmem arena virtual page. */ #ifndef VM_KMEM_SIZE_SCALE #define VM_KMEM_SIZE_SCALE (3) #endif /* * Optional floor (in bytes) on the size of the kmem arena. */ #ifndef VM_KMEM_SIZE_MIN #define VM_KMEM_SIZE_MIN (12 * 1024 * 1024) #endif /* * Optional ceiling (in bytes) on the size of the kmem arena: 40% of the * usable KVA space. */ #ifndef VM_KMEM_SIZE_MAX #define VM_KMEM_SIZE_MAX ((VM_MAX_SAFE_KERNEL_ADDRESS - \ VM_MIN_KERNEL_ADDRESS + 1) * 2 / 5) #endif #define ZERO_REGION_SIZE (64 * 1024) /* 64KB */ /* * On 32-bit OEA, the only purpose for which sf_buf is used is to implement * an opaque pointer required by the machine-independent parts of the kernel. * That pointer references the vm_page that is "mapped" by the sf_buf. The * actual mapping is provided by the direct virtual-to-physical mapping. * * On OEA64 and Book-E, we need to do something a little more complicated. Use * the runtime-detected hw_direct_map to pick between the two cases. Our * friends in vm_machdep.c will do the same to ensure nothing gets confused. */ #define SFBUF #define SFBUF_NOMD /* * We (usually) have a direct map of all physical memory, so provide * a macro to use to get the kernel VA address for a given PA. Check the * value of PMAP_HAS_PMAP before using. */ #ifndef LOCORE #ifdef __powerpc64__ #define DMAP_BASE_ADDRESS 0xc000000000000000UL #define DMAP_MAX_ADDRESS 0xcfffffffffffffffUL #else #define DMAP_BASE_ADDRESS 0x00000000UL #define DMAP_MAX_ADDRESS 0xbfffffffUL #endif #endif #define PMAP_HAS_DMAP (hw_direct_map) #define PHYS_TO_DMAP(x) ({ \ KASSERT(hw_direct_map, ("Direct map not provided by PMAP")); \ (x) | DMAP_BASE_ADDRESS; }) #define DMAP_TO_PHYS(x) ({ \ KASSERT(hw_direct_map, ("Direct map not provided by PMAP")); \ (x) &~ DMAP_BASE_ADDRESS; }) #endif /* _MACHINE_VMPARAM_H_ */