/*
* Copyright (c) 2005 Jakub Jermar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/** @addtogroup kernel_sparc64_mm
* @{
*/
/** @file
*/
#ifndef KERN_sparc64_sun4u_MMU_H_
#define KERN_sparc64_sun4u_MMU_H_
#if defined(US)
/* LSU Control Register ASI. */
#define ASI_LSU_CONTROL_REG 0x45 /**< Load/Store Unit Control Register. */
#endif
/* I-MMU ASIs. */
#define ASI_IMMU 0x50
#define ASI_IMMU_TSB_8KB_PTR_REG 0x51
#define ASI_IMMU_TSB_64KB_PTR_REG 0x52
#define ASI_ITLB_DATA_IN_REG 0x54
#define ASI_ITLB_DATA_ACCESS_REG 0x55
#define ASI_ITLB_TAG_READ_REG 0x56
#define ASI_IMMU_DEMAP 0x57
/* Virtual Addresses within ASI_IMMU. */
#define VA_IMMU_TSB_TAG_TARGET 0x0 /**< IMMU TSB tag target register. */
#define VA_IMMU_SFSR 0x18 /**< IMMU sync fault status register. */
#define VA_IMMU_TSB_BASE 0x28 /**< IMMU TSB base register. */
#define VA_IMMU_TAG_ACCESS 0x30 /**< IMMU TLB tag access register. */
#if defined (US3)
#define VA_IMMU_PRIMARY_EXTENSION 0x48 /**< IMMU TSB primary extension register */
#define VA_IMMU_NUCLEUS_EXTENSION 0x58 /**< IMMU TSB nucleus extension register */
#endif
/* D-MMU ASIs. */
#define ASI_DMMU 0x58
#define ASI_DMMU_TSB_8KB_PTR_REG 0x59
#define ASI_DMMU_TSB_64KB_PTR_REG 0x5a
#define ASI_DMMU_TSB_DIRECT_PTR_REG 0x5b
#define ASI_DTLB_DATA_IN_REG 0x5c
#define ASI_DTLB_DATA_ACCESS_REG 0x5d
#define ASI_DTLB_TAG_READ_REG 0x5e
#define ASI_DMMU_DEMAP 0x5f
/* Virtual Addresses within ASI_DMMU. */
#define VA_DMMU_TSB_TAG_TARGET 0x0 /**< DMMU TSB tag target register. */
#define VA_PRIMARY_CONTEXT_REG 0x8 /**< DMMU primary context register. */
#define VA_SECONDARY_CONTEXT_REG 0x10 /**< DMMU secondary context register. */
#define VA_DMMU_SFSR 0x18 /**< DMMU sync fault status register. */
#define VA_DMMU_SFAR 0x20 /**< DMMU sync fault address register. */
#define VA_DMMU_TSB_BASE 0x28 /**< DMMU TSB base register. */
#define VA_DMMU_TAG_ACCESS 0x30 /**< DMMU TLB tag access register. */
#define VA_DMMU_VA_WATCHPOINT_REG 0x38 /**< DMMU VA data watchpoint register. */
#define VA_DMMU_PA_WATCHPOINT_REG 0x40 /**< DMMU PA data watchpoint register. */
#if defined (US3)
#define VA_DMMU_PRIMARY_EXTENSION 0x48 /**< DMMU TSB primary extension register */
#define VA_DMMU_SECONDARY_EXTENSION 0x50 /**< DMMU TSB secondary extension register */
#define VA_DMMU_NUCLEUS_EXTENSION 0x58 /**< DMMU TSB nucleus extension register */
#endif
#ifndef __ASSEMBLER__
#include <arch/asm.h>
#include <barrier.h>
#include <stdint.h>
#if defined(US)
/** LSU Control Register. */
typedef union {
uint64_t value;
struct {
unsigned : 23;
unsigned pm : 8;
unsigned vm : 8;
unsigned pr : 1;
unsigned pw : 1;
unsigned vr : 1;
unsigned vw : 1;
unsigned : 1;
unsigned fm : 16;
unsigned dm : 1; /**< D-MMU enable. */
unsigned im : 1; /**< I-MMU enable. */
unsigned dc : 1; /**< D-Cache enable. */
unsigned ic : 1; /**< I-Cache enable. */
} __attribute__((packed));
} lsu_cr_reg_t;
#endif /* US */
#endif /* !def __ASSEMBLER__ */
#endif
/** @}
*/