| 0,0 → 1,84 |
|---|
| /* |
| * 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 sparc64mm |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #ifndef KERN_sparc64_sun4v_PAGE_H_ |
| #define KERN_sparc64_sun4v_PAGE_H_ |
| |
| #include <arch/mm/frame.h> |
| |
| /* |
| * On the TLB and TSB level, we still use 8K pages, which are supported by the |
| * MMU. |
| */ |
| #define MMU_PAGE_WIDTH MMU_FRAME_WIDTH |
| #define MMU_PAGE_SIZE MMU_FRAME_SIZE |
| |
| /* |
| * On the page table level, we use 16K pages. 16K pages are not supported by |
| * the MMU but we emulate them with pairs of 8K pages. |
| */ |
| #define PAGE_WIDTH FRAME_WIDTH |
| #define PAGE_SIZE FRAME_SIZE |
| |
| #define MMU_PAGES_PER_PAGE (1 << (PAGE_WIDTH - MMU_PAGE_WIDTH)) |
| |
| #ifdef KERNEL |
| |
| #ifndef __ASM__ |
| |
| #include <arch/interrupt.h> |
| |
| extern uintptr_t physmem_base; |
| |
| #define KA2PA(x) (((uintptr_t) (x)) + physmem_base) |
| #define PA2KA(x) (((uintptr_t) (x)) - physmem_base) |
| |
| typedef union { |
| uintptr_t address; |
| struct { |
| uint64_t vpn : 51; /**< Virtual Page Number. */ |
| unsigned offset : 13; /**< Offset. */ |
| } __attribute__ ((packed)); |
| } page_address_t; |
| |
| extern void page_arch_init(void); |
| |
| #endif /* !def __ASM__ */ |
| |
| #endif /* KERNEL */ |
| |
| #endif |
| |
| /** @} |
| */ |