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- /*-
- * SPDX-License-Identifier: BSD-4-Clause
- *
- * Copyright (c) 2001 David E. O'Brien
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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 the University of
- * California, Berkeley and its contributors.
- * 4. 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.
- *
- * from: @(#)param.h 5.8 (Berkeley) 6/28/91
- * $FreeBSD$
- */
- #ifndef _POWERPC_INCLUDE_PARAM_H_
- #define _POWERPC_INCLUDE_PARAM_H_
- /*
- * Machine dependent constants for PowerPC
- */
- #include <machine/_align.h>
- /* Needed to display interrupts on OFW PCI */
- #define __PCI_REROUTE_INTERRUPT
- #ifndef MACHINE
- #define MACHINE "powerpc"
- #endif
- #ifndef MACHINE_ARCH
- #ifdef __powerpc64__
- #if defined(__LITTLE_ENDIAN__)
- #define MACHINE_ARCH "powerpc64le"
- #else
- #define MACHINE_ARCH "powerpc64"
- #endif
- #else
- #ifdef __SPE__
- #define MACHINE_ARCH "powerpcspe"
- #else
- #define MACHINE_ARCH "powerpc"
- #endif
- #endif
- #endif
- #define MID_MACHINE MID_POWERPC
- #ifdef __powerpc64__
- #ifndef MACHINE_ARCH32
- #define MACHINE_ARCH32 "powerpc"
- #endif
- #endif
- #ifdef SMP
- #ifndef MAXCPU
- #define MAXCPU 256
- #endif
- #else
- #define MAXCPU 1
- #endif
- #ifndef MAXMEMDOM
- #define MAXMEMDOM 8
- #endif
- #define ALIGNBYTES _ALIGNBYTES
- #define ALIGN(p) _ALIGN(p)
- /*
- * ALIGNED_POINTER is a boolean macro that checks whether an address
- * is valid to fetch data elements of type t from on this architecture.
- * This does not reflect the optimal alignment, just the possibility
- * (within reasonable limits).
- */
- #define ALIGNED_POINTER(p, t) ((((uintptr_t)(p)) & (sizeof (t) - 1)) == 0)
- /*
- * CACHE_LINE_SIZE is the compile-time maximum cache line size for an
- * architecture. It should be used with appropriate caution.
- */
- #define CACHE_LINE_SHIFT 7
- #define CACHE_LINE_SIZE (1 << CACHE_LINE_SHIFT)
- #define PAGE_SHIFT 12
- #define PAGE_SIZE (1 << PAGE_SHIFT) /* Page size */
- #define PAGE_MASK (PAGE_SIZE - 1)
- #define NPTEPG (PAGE_SIZE/(sizeof (pt_entry_t)))
- #define NPDEPG (PAGE_SIZE/(sizeof (pt_entry_t)))
- #define L1_PAGE_SIZE_SHIFT 39
- #define L1_PAGE_SIZE (1UL<<L1_PAGE_SIZE_SHIFT)
- #define L1_PAGE_MASK (L1_PAGE_SIZE-1)
- #define L2_PAGE_SIZE_SHIFT 30
- #define L2_PAGE_SIZE (1UL<<L2_PAGE_SIZE_SHIFT)
- #define L2_PAGE_MASK (L2_PAGE_SIZE-1)
- #define L3_PAGE_SIZE_SHIFT 21
- #define L3_PAGE_SIZE (1UL<<L3_PAGE_SIZE_SHIFT)
- #define L3_PAGE_MASK (L3_PAGE_SIZE-1)
- #define MAXPAGESIZES 3 /* maximum number of supported page sizes */
- #define RELOCATABLE_KERNEL 1 /* kernel may relocate during startup */
- #ifndef KSTACK_PAGES
- #ifdef __powerpc64__
- #define KSTACK_PAGES 12 /* includes pcb */
- #else
- #define KSTACK_PAGES 4 /* includes pcb */
- #endif
- #endif
- #define KSTACK_GUARD_PAGES 1 /* pages of kstack guard; 0 disables */
- #define USPACE (kstack_pages * PAGE_SIZE) /* total size of pcb */
- #define COPYFAULT 0x1
- #define FUSUFAULT 0x2
- /*
- * Mach derived conversion macros
- */
- #define trunc_page(x) ((x) & ~(PAGE_MASK))
- #define round_page(x) (((x) + PAGE_MASK) & ~PAGE_MASK)
- #define trunc_2mpage(x) ((unsigned long)(x) & ~L3_PAGE_MASK)
- #define round_2mpage(x) ((((unsigned long)(x)) + L3_PAGE_MASK) & ~L3_PAGE_MASK)
- #define trunc_1gpage(x) ((unsigned long)(x) & ~L2_PAGE_MASK)
- #define atop(x) ((x) >> PAGE_SHIFT)
- #define ptoa(x) ((x) << PAGE_SHIFT)
- #define powerpc_btop(x) ((x) >> PAGE_SHIFT)
- #define powerpc_ptob(x) ((x) << PAGE_SHIFT)
- #define pgtok(x) ((x) * (PAGE_SIZE / 1024UL))
- #define btoc(x) ((vm_offset_t)(((x)+PAGE_MASK)>>PAGE_SHIFT))
- #endif /* !_POWERPC_INCLUDE_PARAM_H_ */
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