| 0,0 → 1,103 |
|---|
| /* |
| * 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 sparc64mm |
| * @{ |
| */ |
| /** @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_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
| #define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
| #define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000 |
| #define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff |
| |
| #define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1)) |
| |
| #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 invalid : 1; /**< Invalidated by software. */ |
| unsigned : 2; |
| 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 |
| |
| /** @} |
| */ |