/* $OpenBSD: cmmu.h,v 1.1 1999/09/27 20:46:17 smurph Exp $ */ /* * Mach Operating System * Copyright (c) 1993-1992 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* * HISTORY * */ #ifndef __MACHINE_CMMU_H__ #define __MACHINE_CMMU_H__ #ifndef ASSEMBLER #include <machine/mmu.h> /* batc_template_t */ #endif #include <machine/board.h> /* Area Description */ #define AREA_D_WT 0x00000200 /* write through */ #define AREA_D_G 0x00000080 /* global */ #define AREA_D_CI 0x00000040 /* cache inhibit */ #define AREA_D_TE 0x00000001 /* translation enable */ /* Segment Description */ #define SEG_D_WT 0x00000200 /* write through */ #define SEG_D_SP 0x00000100 /* supervisor protection */ #define SEG_D_G 0x00000080 /* global */ #define SEG_D_CI 0x00000040 /* cache inhibit */ #define SEG_D_WP 0x00000004 /* write protect */ #define SEG_D_V 0x00000001 /* valid */ /* * Flags for cmmu_flush_tlb */ #define FLUSH_KERNEL 1 #define FLUSH_USER 0 #define FLUSH_ALL ((vm_offset_t)~0) #ifndef ASSEMBLER /* * Prototypes and stuff for cmmu.c. */ extern unsigned cpu_sets[MAX_CPUS]; extern int cpu_cmmu_ratio; extern unsigned ncpus; extern unsigned cache_policy; #ifdef CMMU_DEBUG void show_apr(unsigned value); void show_sctr(unsigned value); #endif /* * Prototypes from "mvme88k/mvme88k/cmmu.c" */ unsigned cmmu_cpu_number(void); #if !DDB static #endif /* !DDB */ unsigned cmmu_remote_get(unsigned cpu, unsigned r, unsigned data); unsigned cmmu_get_idr(unsigned data); void cmmu_init(void); void cmmu_shutdown_now(void); void cmmu_parity_enable(void); #if !DDB static #endif /* !DDB */ void cmmu_remote_set(unsigned cpu, unsigned r, unsigned data, unsigned x); void cmmu_set_sapr(unsigned ap); void cmmu_remote_set_sapr(unsigned cpu, unsigned ap); void cmmu_set_uapr(unsigned ap); void cmmu_flush_tlb(unsigned kernel, vm_offset_t vaddr, int size); void cmmu_flush_remote_cache(int cpu, vm_offset_t physaddr, int size); void cmmu_flush_cache(vm_offset_t physaddr, int size); void cmmu_flush_remote_inst_cache(int cpu, vm_offset_t physaddr, int size); void cmmu_flush_inst_cache(vm_offset_t physaddr, int size); void cmmu_flush_remote_data_cache(int cpu, vm_offset_t physaddr, int size); void cmmu_flush_data_cache(vm_offset_t physaddr, int size); void cmmu_pmap_activate( unsigned cpu, unsigned uapr, batc_template_t i_batc[BATC_MAX], batc_template_t d_batc[BATC_MAX]); void cmmu_flush_remote_tlb( unsigned cpu, unsigned kernel, vm_offset_t vaddr, int size); void cmmu_set_batc_entry( unsigned cpu, unsigned entry_no, unsigned data, /* 1 = data, 0 = instruction */ unsigned value); /* the value to stuff into the batc */ void cmmu_set_pair_batc_entry( unsigned cpu, unsigned entry_no, unsigned value); /* the value to stuff into the batc */ #endif /* ASSEMBLER */ #endif /* __MACHINE_CMMU_H__ */