| /branches/sparc/kernel/genarch/include/mm/page_pt.h |
|---|
| 0,0 → 1,131 |
| /* |
| * Copyright (c) 2006 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 genarchmm |
| * @{ |
| */ |
| /** @file |
| */ |
| /* |
| * This is the generic 4-level page table interface. |
| * Architectures that use hierarchical page tables |
| * are supposed to implement *_ARCH macros. |
| */ |
| #ifdef CONFIG_PAGE_PT |
| #ifndef KERN_PAGE_PT_H_ |
| #define KERN_PAGE_PT_H_ |
| #include <arch/types.h> |
| #include <mm/as.h> |
| #include <mm/page.h> |
| /* |
| * Number of entries in each level. |
| */ |
| #define PTL0_ENTRIES PTL0_ENTRIES_ARCH |
| #define PTL1_ENTRIES PTL1_ENTRIES_ARCH |
| #define PTL2_ENTRIES PTL2_ENTRIES_ARCH |
| #define PTL3_ENTRIES PTL3_ENTRIES_ARCH |
| /* Table sizes in each level */ |
| #define PTL0_SIZE PTL0_SIZE_ARCH |
| #define PTL1_SIZE PTL1_SIZE_ARCH |
| #define PTL2_SIZE PTL2_SIZE_ARCH |
| #define PTL3_SIZE PTL3_SIZE_ARCH |
| /* |
| * These macros process vaddr and extract those portions |
| * of it that function as indices to respective page tables. |
| */ |
| #define PTL0_INDEX(vaddr) PTL0_INDEX_ARCH(vaddr) |
| #define PTL1_INDEX(vaddr) PTL1_INDEX_ARCH(vaddr) |
| #define PTL2_INDEX(vaddr) PTL2_INDEX_ARCH(vaddr) |
| #define PTL3_INDEX(vaddr) PTL3_INDEX_ARCH(vaddr) |
| #define SET_PTL0_ADDRESS(ptl0) SET_PTL0_ADDRESS_ARCH(ptl0) |
| /* |
| * These macros traverse the 4-level tree of page tables, |
| * each descending by one level. |
| */ |
| #define GET_PTL1_ADDRESS(ptl0, i) GET_PTL1_ADDRESS_ARCH(ptl0, i) |
| #define GET_PTL2_ADDRESS(ptl1, i) GET_PTL2_ADDRESS_ARCH(ptl1, i) |
| #define GET_PTL3_ADDRESS(ptl2, i) GET_PTL3_ADDRESS_ARCH(ptl2, i) |
| #define GET_FRAME_ADDRESS(ptl3, i) GET_FRAME_ADDRESS_ARCH(ptl3, i) |
| /* |
| * These macros are provided to change the shape of the 4-level tree of page |
| * tables on respective level. |
| */ |
| #define SET_PTL1_ADDRESS(ptl0, i, a) SET_PTL1_ADDRESS_ARCH(ptl0, i, a) |
| #define SET_PTL2_ADDRESS(ptl1, i, a) SET_PTL2_ADDRESS_ARCH(ptl1, i, a) |
| #define SET_PTL3_ADDRESS(ptl2, i, a) SET_PTL3_ADDRESS_ARCH(ptl2, i, a) |
| #define SET_FRAME_ADDRESS(ptl3, i, a) SET_FRAME_ADDRESS_ARCH(ptl3, i, a) |
| /* |
| * These macros are provided to query various flags within the page tables. |
| */ |
| #define GET_PTL1_FLAGS(ptl0, i) GET_PTL1_FLAGS_ARCH(ptl0, i) |
| #define GET_PTL2_FLAGS(ptl1, i) GET_PTL2_FLAGS_ARCH(ptl1, i) |
| #define GET_PTL3_FLAGS(ptl2, i) GET_PTL3_FLAGS_ARCH(ptl2, i) |
| #define GET_FRAME_FLAGS(ptl3, i) GET_FRAME_FLAGS_ARCH(ptl3, i) |
| /* |
| * These macros are provided to set/clear various flags within the page tables. |
| */ |
| #define SET_PTL1_FLAGS(ptl0, i, x) SET_PTL1_FLAGS_ARCH(ptl0, i, x) |
| #define SET_PTL2_FLAGS(ptl1, i, x) SET_PTL2_FLAGS_ARCH(ptl1, i, x) |
| #define SET_PTL3_FLAGS(ptl2, i, x) SET_PTL3_FLAGS_ARCH(ptl2, i, x) |
| #define SET_FRAME_FLAGS(ptl3, i, x) SET_FRAME_FLAGS_ARCH(ptl3, i, x) |
| /* |
| * Macros for querying the last-level PTEs. |
| */ |
| #define PTE_VALID(p) PTE_VALID_ARCH((p)) |
| #define PTE_PRESENT(p) PTE_PRESENT_ARCH((p)) |
| #define PTE_GET_FRAME(p) PTE_GET_FRAME_ARCH((p)) |
| #define PTE_READABLE(p) 1 |
| #define PTE_WRITABLE(p) PTE_WRITABLE_ARCH((p)) |
| #define PTE_EXECUTABLE(p) PTE_EXECUTABLE_ARCH((p)) |
| extern as_operations_t as_pt_operations; |
| extern page_mapping_operations_t pt_mapping_operations; |
| extern void page_mapping_insert_pt(as_t *as, uintptr_t page, uintptr_t frame, |
| int flags); |
| extern pte_t *page_mapping_find_pt(as_t *as, uintptr_t page); |
| #endif |
| #endif |
| /** @} |
| */ |
| /branches/sparc/kernel/genarch/include/mm/page_ht.h |
|---|
| 0,0 → 1,75 |
| /* |
| * Copyright (c) 2006 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 genarchmm |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief This is the generic page hash table interface. |
| */ |
| #ifdef CONFIG_PAGE_HT |
| #ifndef KERN_PAGE_HT_H_ |
| #define KERN_PAGE_HT_H_ |
| #include <arch/types.h> |
| #include <mm/as.h> |
| #include <mm/page.h> |
| #include <synch/mutex.h> |
| #include <adt/hash_table.h> |
| #define PAGE_HT_KEYS 2 |
| #define KEY_AS 0 |
| #define KEY_PAGE 1 |
| #define PAGE_HT_ENTRIES_BITS 13 |
| #define PAGE_HT_ENTRIES (1 << PAGE_HT_ENTRIES_BITS) |
| /* Macros for querying page hash table PTEs. */ |
| #define PTE_VALID(pte) ((pte) != NULL) |
| #define PTE_PRESENT(pte) ((pte)->p != 0) |
| #define PTE_GET_FRAME(pte) ((pte)->frame) |
| #define PTE_READABLE(pte) 1 |
| #define PTE_WRITABLE(pte) ((pte)->w != 0) |
| #define PTE_EXECUTABLE(pte) ((pte)->x != 0) |
| extern as_operations_t as_ht_operations; |
| extern page_mapping_operations_t ht_mapping_operations; |
| extern mutex_t page_ht_lock; |
| extern hash_table_t page_ht; |
| extern hash_table_operations_t ht_operations; |
| #endif |
| #endif |
| /** @} |
| */ |
| /branches/sparc/kernel/genarch/include/mm/as_ht.h |
|---|
| 0,0 → 1,65 |
| /* |
| * Copyright (c) 2006 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 genarchmm |
| * @{ |
| */ |
| /** @file |
| */ |
| #ifndef KERN_AS_HT_H_ |
| #define KERN_AS_HT_H_ |
| #include <mm/mm.h> |
| #include <adt/list.h> |
| #include <arch/types.h> |
| typedef struct { |
| } as_genarch_t; |
| struct as; |
| typedef struct pte { |
| link_t link; /**< Page hash table link. */ |
| struct as *as; /**< Address space. */ |
| uintptr_t page; /**< Virtual memory page. */ |
| uintptr_t frame; /**< Physical memory frame. */ |
| unsigned g : 1; /**< Global page. */ |
| unsigned x : 1; /**< Execute. */ |
| unsigned w : 1; /**< Writable. */ |
| unsigned k : 1; /**< Kernel privileges required. */ |
| unsigned c : 1; /**< Cacheable. */ |
| unsigned a : 1; /**< Accessed. */ |
| unsigned d : 1; /**< Dirty. */ |
| unsigned p : 1; /**< Present. */ |
| } pte_t; |
| #endif |
| /** @} |
| */ |
| /branches/sparc/kernel/genarch/include/mm/as_pt.h |
|---|
| 0,0 → 1,51 |
| /* |
| * Copyright (c) 2006 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 genarchmm |
| * @{ |
| */ |
| /** @file |
| */ |
| #ifndef KERN_AS_PT_H_ |
| #define KERN_AS_PT_H_ |
| #include <mm/mm.h> |
| #include <arch/types.h> |
| #define AS_PAGE_TABLE |
| typedef struct { |
| /** Page table pointer. */ |
| pte_t *page_table; |
| } as_genarch_t; |
| #endif |
| /** @} |
| */ |
| /branches/sparc/kernel/genarch/include/mm/asid_fifo.h |
|---|
| 0,0 → 1,43 |
| /* |
| * Copyright (c) 2006 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 genarchmm |
| * @{ |
| */ |
| /** @file |
| */ |
| #ifndef KERN_ASID_FIFO_H_ |
| #define KERN_ASID_FIFO_H_ |
| extern void asid_fifo_init(void); |
| #endif |
| /** @} |
| */ |