/*
* Copyright (c) 2005 Jakub Jermar
* Copyright (c) 2009 Pavel Rimsky
* 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_sun4v_AS_H_
#define KERN_sparc64_sun4v_AS_H_
#include <arch/mm/tte.h>
#include <arch/mm/tsb.h>
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1
#define KERNEL_SEPARATE_PTL0_ARCH 0
#define KERNEL_ADDRESS_SPACE_START_ARCH UINT64_C(0x0000000000000000)
#define KERNEL_ADDRESS_SPACE_END_ARCH UINT64_C(0xffffffffffffffff)
#define USER_ADDRESS_SPACE_START_ARCH UINT64_C(0x0000000000000000)
#define USER_ADDRESS_SPACE_END_ARCH UINT64_C(0xffffffffffffffff)
#ifdef CONFIG_TSB
/**
* TTE Tag.
*
* Even though for sun4v the format of the TSB Tag states that the context
* field has 16 bits, the T1 CPU still only supports 13-bit contexts and the
* three most significant bits are always zero.
*/
typedef union tte_tag {
uint64_t value;
struct {
unsigned : 3;
unsigned context : 13; /**< Software ASID. */
unsigned : 6;
uint64_t va_tag : 42; /**< Virtual address bits <63:22>. */
} __attribute__((packed));
} tte_tag_t;
/** TSB entry. */
typedef struct tsb_entry {
tte_tag_t tag;
tte_data_t data;
} __attribute__((packed)) tsb_entry_t;
typedef struct {
tsb_descr_t tsb_description;
} as_arch_t;
#else
typedef struct {
} as_arch_t;
#endif /* CONFIG_TSB */
#include <genarch/mm/as_ht.h>
#ifdef CONFIG_TSB
#include <arch/mm/tsb.h>
#define as_invalidate_translation_cache(as, page, cnt) \
tsb_invalidate((as), (page), (cnt))
#else
#define as_invalidate_translation_cache(as, page, cnt)
#endif
extern void as_arch_init(void);
#endif
/** @}
*/