/tags/0.2.0.5/kernel/arch/amd64/include/mm/page.h |
---|
0,0 → 1,229 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* 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 amd64mm |
* @{ |
*/ |
/** @file |
*/ |
/** Paging on AMD64 |
* |
* The space is divided in positive numbers - userspace and |
* negative numbers - kernel space. The 'negative' space starting |
* with 0xffff800000000000 and ending with 0xffffffff80000000 |
* (-2GB) is identically mapped physical memory. The area |
* (0xffffffff80000000 ... 0xffffffffffffffff is again identically |
* mapped first 2GB. |
* |
* ATTENTION - PA2KA(KA2PA(x)) != x if 'x' is in kernel |
*/ |
#ifndef KERN_amd64_PAGE_H_ |
#define KERN_amd64_PAGE_H_ |
#include <arch/mm/frame.h> |
#define PAGE_WIDTH FRAME_WIDTH |
#define PAGE_SIZE FRAME_SIZE |
#define PAGE_COLOR_BITS 0 /* dummy */ |
#ifdef KERNEL |
#ifndef __ASM__ |
# include <mm/mm.h> |
# include <arch/types.h> |
# include <arch/interrupt.h> |
static inline uintptr_t ka2pa(uintptr_t x) |
{ |
if (x > 0xffffffff80000000) |
return x - 0xffffffff80000000; |
else |
return x - 0xffff800000000000; |
} |
# define KA2PA(x) ka2pa((uintptr_t) x) |
# define PA2KA_CODE(x) (((uintptr_t) (x)) + 0xffffffff80000000) |
# define PA2KA(x) (((uintptr_t) (x)) + 0xffff800000000000) |
#else |
# define KA2PA(x) ((x) - 0xffffffff80000000) |
# define PA2KA(x) ((x) + 0xffffffff80000000) |
#endif |
/* Number of entries in each level. */ |
#define PTL0_ENTRIES_ARCH 512 |
#define PTL1_ENTRIES_ARCH 512 |
#define PTL2_ENTRIES_ARCH 512 |
#define PTL3_ENTRIES_ARCH 512 |
/* Page table sizes for each level. */ |
#define PTL0_SIZE_ARCH ONE_FRAME |
#define PTL1_SIZE_ARCH ONE_FRAME |
#define PTL2_SIZE_ARCH ONE_FRAME |
#define PTL3_SIZE_ARCH ONE_FRAME |
/* Macros calculating indices into page tables in each level. */ |
#define PTL0_INDEX_ARCH(vaddr) (((vaddr) >> 39) & 0x1ff) |
#define PTL1_INDEX_ARCH(vaddr) (((vaddr) >> 30) & 0x1ff) |
#define PTL2_INDEX_ARCH(vaddr) (((vaddr) >> 21) & 0x1ff) |
#define PTL3_INDEX_ARCH(vaddr) (((vaddr) >> 12) & 0x1ff) |
/* Get PTE address accessors for each level. */ |
#define GET_PTL1_ADDRESS_ARCH(ptl0, i) \ |
((pte_t *) ((((uint64_t) ((pte_t *) (ptl0))[(i)].addr_12_31) << 12) | \ |
(((uint64_t) ((pte_t *) (ptl0))[(i)].addr_32_51) << 32))) |
#define GET_PTL2_ADDRESS_ARCH(ptl1, i) \ |
((pte_t *) ((((uint64_t) ((pte_t *) (ptl1))[(i)].addr_12_31) << 12) | \ |
(((uint64_t) ((pte_t *) (ptl1))[(i)].addr_32_51) << 32))) |
#define GET_PTL3_ADDRESS_ARCH(ptl2, i) \ |
((pte_t *) ((((uint64_t) ((pte_t *) (ptl2))[(i)].addr_12_31) << 12) | \ |
(((uint64_t) ((pte_t *) (ptl2))[(i)].addr_32_51) << 32))) |
#define GET_FRAME_ADDRESS_ARCH(ptl3, i) \ |
((uintptr_t *) \ |
((((uint64_t) ((pte_t *) (ptl3))[(i)].addr_12_31) << 12) | \ |
(((uint64_t) ((pte_t *) (ptl3))[(i)].addr_32_51) << 32))) |
/* Set PTE address accessors for each level. */ |
#define SET_PTL0_ADDRESS_ARCH(ptl0) \ |
(write_cr3((uintptr_t) (ptl0))) |
#define SET_PTL1_ADDRESS_ARCH(ptl0, i, a) \ |
set_pt_addr((pte_t *) (ptl0), (index_t) (i), a) |
#define SET_PTL2_ADDRESS_ARCH(ptl1, i, a) \ |
set_pt_addr((pte_t *) (ptl1), (index_t) (i), a) |
#define SET_PTL3_ADDRESS_ARCH(ptl2, i, a) \ |
set_pt_addr((pte_t *) (ptl2), (index_t) (i), a) |
#define SET_FRAME_ADDRESS_ARCH(ptl3, i, a) \ |
set_pt_addr((pte_t *) (ptl3), (index_t) (i), a) |
/* Get PTE flags accessors for each level. */ |
#define GET_PTL1_FLAGS_ARCH(ptl0, i) \ |
get_pt_flags((pte_t *) (ptl0), (index_t) (i)) |
#define GET_PTL2_FLAGS_ARCH(ptl1, i) \ |
get_pt_flags((pte_t *) (ptl1), (index_t) (i)) |
#define GET_PTL3_FLAGS_ARCH(ptl2, i) \ |
get_pt_flags((pte_t *) (ptl2), (index_t) (i)) |
#define GET_FRAME_FLAGS_ARCH(ptl3, i) \ |
get_pt_flags((pte_t *) (ptl3), (index_t) (i)) |
/* Set PTE flags accessors for each level. */ |
#define SET_PTL1_FLAGS_ARCH(ptl0, i, x) \ |
set_pt_flags((pte_t *) (ptl0), (index_t) (i), (x)) |
#define SET_PTL2_FLAGS_ARCH(ptl1, i, x) \ |
set_pt_flags((pte_t *) (ptl1), (index_t) (i), (x)) |
#define SET_PTL3_FLAGS_ARCH(ptl2, i, x) \ |
set_pt_flags((pte_t *) (ptl2), (index_t) (i), (x)) |
#define SET_FRAME_FLAGS_ARCH(ptl3, i, x) \ |
set_pt_flags((pte_t *) (ptl3), (index_t) (i), (x)) |
/* Macros for querying the last-level PTE entries. */ |
#define PTE_VALID_ARCH(p) \ |
(*((uint64_t *) (p)) != 0) |
#define PTE_PRESENT_ARCH(p) \ |
((p)->present != 0) |
#define PTE_GET_FRAME_ARCH(p) \ |
((((uintptr_t) (p)->addr_12_31) << 12) | \ |
((uintptr_t) (p)->addr_32_51 << 32)) |
#define PTE_WRITABLE_ARCH(p) \ |
((p)->writeable != 0) |
#define PTE_EXECUTABLE_ARCH(p) \ |
((p)->no_execute == 0) |
#ifndef __ASM__ |
/* Page fault error codes. */ |
/** When bit on this position is 0, the page fault was caused by a not-present |
* page. |
*/ |
#define PFERR_CODE_P (1 << 0) |
/** When bit on this position is 1, the page fault was caused by a write. */ |
#define PFERR_CODE_RW (1 << 1) |
/** When bit on this position is 1, the page fault was caused in user mode. */ |
#define PFERR_CODE_US (1 << 2) |
/** When bit on this position is 1, a reserved bit was set in page directory. */ |
#define PFERR_CODE_RSVD (1 << 3) |
/** When bit on this position os 1, the page fault was caused during instruction |
* fecth. |
*/ |
#define PFERR_CODE_ID (1 << 4) |
static inline int get_pt_flags(pte_t *pt, index_t i) |
{ |
pte_t *p = &pt[i]; |
return ((!p->page_cache_disable) << PAGE_CACHEABLE_SHIFT | |
(!p->present) << PAGE_PRESENT_SHIFT | |
p->uaccessible << PAGE_USER_SHIFT | |
1 << PAGE_READ_SHIFT | |
p->writeable << PAGE_WRITE_SHIFT | |
(!p->no_execute) << PAGE_EXEC_SHIFT | |
p->global << PAGE_GLOBAL_SHIFT); |
} |
static inline void set_pt_addr(pte_t *pt, index_t i, uintptr_t a) |
{ |
pte_t *p = &pt[i]; |
p->addr_12_31 = (a >> 12) & 0xfffff; |
p->addr_32_51 = a >> 32; |
} |
static inline void set_pt_flags(pte_t *pt, index_t i, int flags) |
{ |
pte_t *p = &pt[i]; |
p->page_cache_disable = !(flags & PAGE_CACHEABLE); |
p->present = !(flags & PAGE_NOT_PRESENT); |
p->uaccessible = (flags & PAGE_USER) != 0; |
p->writeable = (flags & PAGE_WRITE) != 0; |
p->no_execute = (flags & PAGE_EXEC) == 0; |
p->global = (flags & PAGE_GLOBAL) != 0; |
/* |
* Ensure that there is at least one bit set even if the present bit is cleared. |
*/ |
p->soft_valid = 1; |
} |
extern void page_arch_init(void); |
extern void page_fault(int n, istate_t *istate); |
#endif /* __ASM__ */ |
#endif /* KERNEL */ |
#endif |
/** @} |
*/ |
/tags/0.2.0.5/kernel/arch/amd64/include/mm/as.h |
---|
0,0 → 1,64 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* 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 amd64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_AS_H_ |
#define KERN_amd64_AS_H_ |
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 0 |
#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0xffff800000000000 |
#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) 0x00007fffffffffff |
#define USTACK_ADDRESS_ARCH (USER_ADDRESS_SPACE_END_ARCH-(PAGE_SIZE-1)) |
#define as_constructor_arch(as, flags) (as != as) |
#define as_destructor_arch(as) (as != as) |
#define as_create_arch(as, flags) (as != as) |
#define as_install_arch(as) |
#define as_deinstall_arch(as) |
#define as_invalidate_translation_cache(as, page, cnt) |
typedef struct { |
} as_arch_t; |
#include <genarch/mm/as_pt.h> |
extern void as_arch_init(void); |
#endif |
/** @} |
*/ |
/tags/0.2.0.5/kernel/arch/amd64/include/mm/frame.h |
---|
0,0 → 1,53 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* 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 amd64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_FRAME_H_ |
#define KERN_amd64_FRAME_H_ |
#ifndef __ASM__ |
#include <arch/types.h> |
#endif /* __ASM__ */ |
#define FRAME_WIDTH 12 /* 4K */ |
#define FRAME_SIZE (1<<FRAME_WIDTH) |
#ifndef __ASM__ |
extern uintptr_t last_frame; |
extern void frame_arch_init(void); |
#endif /* __ASM__ */ |
#endif |
/** @} |
*/ |
/tags/0.2.0.5/kernel/arch/amd64/include/mm/ptl.h |
---|
0,0 → 1,51 |
/* |
* Copyright (c) 2005 Ondrej Palkovsky |
* 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 amd64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_PTL_H_ |
#define KERN_amd64_PTL_H_ |
#define PTL_NO_EXEC (1<<63) |
#define PTL_ACCESSED (1<<5) |
#define PTL_CACHE_DISABLE (1<<4) |
#define PTL_CACHE_THROUGH (1<<3) |
#define PTL_USER (1<<2) |
#define PTL_WRITABLE (1<<1) |
#define PTL_PRESENT 1 |
#define PTL_2MB_PAGE (1<<7) |
#endif |
/** @} |
*/ |
/tags/0.2.0.5/kernel/arch/amd64/include/mm/tlb.h |
---|
0,0 → 1,44 |
/* |
* 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 amd64mm |
* @{ |
*/ |
/** @file |
*/ |
#ifndef KERN_amd64_TLB_H_ |
#define KERN_amd64_TLB_H_ |
#define tlb_arch_init() |
#define tlb_print() |
#endif |
/** @} |
*/ |
/tags/0.2.0.5/kernel/arch/amd64/include/mm/asid.h |
---|
0,0 → 1,0 |
link ../../../ia32/include/mm/asid.h |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/tags/0.2.0.5/kernel/arch/amd64/include/mm/memory_init.h |
---|
0,0 → 1,0 |
link ../../../ia32/include/mm/memory_init.h |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |