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/* $OpenBSD: cmmu.h,v 1.8 2005/04/27 14:09:45 miod 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.
*/
#ifndef _M88K_CMMU_H_
#define _M88K_CMMU_H_
#if defined(_KERNEL) && !defined(_LOCORE)
/*
* Prototypes and stuff for cmmu.c.
*/
extern unsigned cpu_sets[MAX_CPUS];
extern unsigned master_cpu;
extern int max_cpus;
/*
* This lock protects the cmmu SAR and SCR's; other ports
* can be accessed without locking it.
*
* May be used from "db_interface.c".
*/
extern struct simplelock cmmu_cpu_lock;
#define CMMU_LOCK simple_lock(&cmmu_cpu_lock)
#define CMMU_UNLOCK simple_unlock(&cmmu_cpu_lock)
/* machine dependent cmmu function pointer structure */
struct cmmu_p {
void (*cmmu_init_func)(void);
void (*setup_board_config_func)(void);
void (*cpu_configuration_print_func)(int);
void (*cmmu_shutdown_now_func)(void);
void (*cmmu_parity_enable_func)(void);
unsigned (*cmmu_cpu_number_func)(void);
void (*cmmu_set_sapr_func)(unsigned, unsigned);
void (*cmmu_set_uapr_func)(unsigned);
void (*cmmu_flush_tlb_func)(unsigned, unsigned, vaddr_t, vsize_t);
void (*cmmu_flush_cache_func)(int, paddr_t, psize_t);
void (*cmmu_flush_inst_cache_func)(int, paddr_t, psize_t);
void (*cmmu_flush_data_cache_func)(int, paddr_t, psize_t);
void (*dma_cachectl_func)(pmap_t, vaddr_t, vsize_t, int);
void (*dma_cachectl_pa_func)(paddr_t, psize_t, int);
/* DDB only */
void (*cmmu_dump_config_func)(void);
void (*cmmu_show_translation_func)(unsigned, unsigned, unsigned, int);
/* DEBUG only */
void (*show_apr_func)(unsigned);
};
/* THE pointer! */
extern struct cmmu_p *cmmu;
/* The macros... */
#define cmmu_init (cmmu->cmmu_init_func)
#define setup_board_config (cmmu->setup_board_config_func)
#define cpu_configuration_print(a) (cmmu->cpu_configuration_print_func)(a)
#define cmmu_shutdown_now (cmmu->cmmu_shutdown_now_func)
#define cmmu_parity_enable (cmmu->cmmu_parity_enable_func)
#define cmmu_cpu_number (cmmu->cmmu_cpu_number_func)
#define cmmu_set_sapr(a, b) (cmmu->cmmu_set_sapr_func)(a, b)
#define cmmu_set_uapr(a) (cmmu->cmmu_set_uapr_func)(a)
#define cmmu_flush_tlb(a, b, c, d) (cmmu->cmmu_flush_tlb_func)(a, b, c, d)
#define cmmu_flush_cache(a, b, c) (cmmu->cmmu_flush_cache_func)(a, b, c)
#define cmmu_flush_inst_cache(a, b, c) (cmmu->cmmu_flush_inst_cache_func)(a, b, c)
#define cmmu_flush_data_cache(a, b, c) (cmmu->cmmu_flush_data_cache_func)(a, b, c)
#define dma_cachectl(a, b, c, d) (cmmu->dma_cachectl_func)(a, b, c, d)
#define dma_cachectl_pa(a, b, c) (cmmu->dma_cachectl_pa_func)(a, b, c)
#define cmmu_dump_config (cmmu->cmmu_dump_config_func)
#define cmmu_show_translation(a, b, c, d) (cmmu->cmmu_show_translation_func)(a, b, c, d)
#define show_apr(ap) (cmmu->show_apr_func)(ap)
/*
* dma_cachectl modes
*/
#define DMA_CACHE_SYNC 0
#define DMA_CACHE_SYNC_INVAL 1
#define DMA_CACHE_INV 2
#endif /* _KERNEL && !_LOCORE */
#endif /* _M88K_CMMU_H_ */
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