/branches/fs/kernel/genarch/include/mm/page_pt.h |
---|
0,0 → 1,123 |
/* |
* 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 |
/* |
* 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 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) |
#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)) |
#ifndef __OBJC__ |
extern as_operations_t as_pt_operations; |
#endif |
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/fs/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/fs/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/fs/kernel/genarch/include/mm/page_ht.h |
---|
0,0 → 1,74 |
/* |
* 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) |
#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/fs/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 |
/** @} |
*/ |