#include <ubixos/types.h>#include <sys/sysproto.h>#include <sys/thread.h>Include dependency graph for paging.h:
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Defines | |
| #define | btoc(x) (((vm_offset_t)(x)+PAGE_MASK)>>PAGE_SHIFT) |
| #define | ctob(x) ((x)<<PAGE_SHIFT) |
| #define | KERNEL_PAGE_DEFAULT (PAGE_PRESENT|PAGE_WRITE) |
| #define | PAGE_COW 0x00000200 |
| #define | PAGE_DEFAULT (PAGE_PRESENT|PAGE_WRITE|PAGE_USER) |
| #define | PAGE_MASK (PAGE_SIZE-1) |
| #define | PAGE_PRESENT 0x00000001 |
| #define | PAGE_SHIFT 12 |
| #define | PAGE_SIZE (1<<PAGE_SHIFT) |
| #define | PAGE_STACK 0x00000400 |
| #define | PAGE_USER 0x00000004 |
| #define | PAGE_WIRED 0x00000600 |
| #define | PAGE_WRITE 0x00000002 |
| #define | pageEntries (pageSize/4) |
| #define | pageLength 0x00000400 |
| #define | pageSize 4096 |
| #define | parentPageDirAddr 0x100000 |
| #define | round_page(x) (((x) + PAGE_MASK) & ~PAGE_MASK) |
| #define | tablesBaseAddress 0xBFC00000 |
| #define | trunc_page(x) ((x) & ~PAGE_MASK) |
| #define | VM_TASK 1 |
| #define | VM_THRD 0 |
Functions | |
| void | _vmm_pageFault () |
| int | mmap (struct thread *, struct mmap_args *) |
| int | munmap (struct thread *, struct munmap_args *) |
| int | obreak (struct thread *, struct obreak_args *) |
| void * | vmm_getFreeMallocPage (uInt16 count) |
| uInt32 | vmm_getPhysicalAddr (uInt32) |
| void | vmm_pageFault (uInt32, uInt32, uInt32) |
| int | vmm_pagingInit () |
| int | vmm_remapPage (uInt32, uInt32, uInt16) |
| int | vmm_setPageAttributes (uInt32, uInt16) |
| int | vmmClearVirtualPage (uInt32 pageAddr) |
| void * | vmmCopyVirtualSpace (pidType) |
| void * | vmmCreateVirtualSpace (pidType) |
| void * | vmmGetFreeKernelPage (pidType pid, uInt16 count) |
| void * | vmmGetFreePage (pidType) |
| void * | vmmGetFreeVirtualPage (pidType, int, int) |
| void * | vmmMapFromTask (pidType, void *, uInt32) |
| void | vmmUnmapPage (uInt32, int) |
| void | vmmUnmapPages (void *, uInt32) |
Variables | |
| uInt32 * | kernelPageDirectory |
| #define btoc | ( | x | ) | (((vm_offset_t)(x)+PAGE_MASK)>>PAGE_SHIFT) |
| #define ctob | ( | x | ) | ((x)<<PAGE_SHIFT) |
| #define KERNEL_PAGE_DEFAULT (PAGE_PRESENT|PAGE_WRITE) |
Definition at line 53 of file paging.h.
Referenced by execFile(), vmm_getFreeMallocPage(), vmm_pagingInit(), vmm_remapPage(), vmmGetFreeKernelPage(), vmmGetFreePage(), and vmmMapFromTask().
| #define PAGE_COW 0x00000200 |
Definition at line 46 of file paging.h.
Referenced by vmm_cleanVirtualSpace(), vmm_pageFault(), vmm_remapPage(), vmmCopyVirtualSpace(), vmmFreeProcessPages(), and vmmGetFreeVirtualPage().
| #define PAGE_DEFAULT (PAGE_PRESENT|PAGE_WRITE|PAGE_USER) |
Definition at line 52 of file paging.h.
Referenced by elf_loadfile(), execFile(), kmod_load(), ldEnable(), obreak(), sys_exec(), sysExec(), vmm_pageFault(), vmm_remapPage(), vmmCopyVirtualSpace(), vmmCreateVirtualSpace(), and vmmGetFreeVirtualPage().
| #define PAGE_PRESENT 0x00000001 |
Definition at line 49 of file paging.h.
Referenced by elf_loadfile(), execFile(), sys_exec(), sysExec(), vmm_cleanVirtualSpace(), vmm_remapPage(), and vmmGetFreeVirtualPage().
| #define PAGE_SHIFT 12 |
| #define PAGE_STACK 0x00000400 |
Definition at line 47 of file paging.h.
Referenced by execFile(), vmm_cleanVirtualSpace(), vmm_remapPage(), and vmmCopyVirtualSpace().
| #define PAGE_USER 0x00000004 |
Definition at line 51 of file paging.h.
Referenced by elf_loadfile(), execFile(), sys_exec(), and sysExec().
| #define pageEntries (pageSize/4) |
Definition at line 42 of file paging.h.
Referenced by vmm_pageFault(), vmm_pagingInit(), vmm_remapPage(), vmmClearVirtualPage(), vmmCopyVirtualSpace(), vmmCreateVirtualSpace(), vmmFreeProcessPages(), and vmmGetFreeVirtualPage().
| #define parentPageDirAddr 0x100000 |
Definition at line 44 of file paging.h.
Referenced by vmm_cleanVirtualSpace(), vmm_pageFault(), vmm_remapPage(), vmmCopyVirtualSpace(), vmmCreateVirtualSpace(), vmmFreeProcessPages(), and vmmGetFreeVirtualPage().
| #define round_page | ( | x | ) | (((x) + PAGE_MASK) & ~PAGE_MASK) |
| #define tablesBaseAddress 0xBFC00000 |
Definition at line 43 of file paging.h.
Referenced by vmm_cleanVirtualSpace(), vmm_getFreeMallocPage(), vmm_getPhysicalAddr(), vmm_pageFault(), vmm_remapPage(), vmm_setPageAttributes(), vmmCopyVirtualSpace(), vmmCreateVirtualSpace(), vmmFreeProcessPages(), vmmGetFreeKernelPage(), vmmGetFreePage(), vmmGetFreeVirtualPage(), vmmMapFromTask(), vmmUnmapPage(), and vmmUnmapPages().
| #define trunc_page | ( | x | ) | ((x) & ~PAGE_MASK) |
| #define VM_TASK 1 |
Definition at line 38 of file paging.h.
Referenced by mmap(), sysExec(), sysGetFreePage(), and vmmGetFreeVirtualPage().
| #define VM_THRD 0 |
Definition at line 37 of file paging.h.
Referenced by sysGetFreePage(), and vmmGetFreeVirtualPage().
| void _vmm_pageFault | ( | ) |
Definition at line 453 of file paging.c.
References _current, mmap_args::addr, mmap_args::fd, mmap_args::flags, taskStruct::id, kprintf(), mmap_args::len, mmap_args::pad, mmap_args::pos, mmap_args::prot, thread::td_retval, VM_TASK, vmmGetFreeVirtualPage(), and x1000.
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| int munmap | ( | struct thread * | , | |
| struct munmap_args * | ||||
| ) |
| int obreak | ( | struct thread * | , | |
| struct obreak_args * | ||||
| ) |
Definition at line 478 of file paging.c.
References _current, btoc, ctob, taskStruct::id, K_PANIC, kprintf(), obreak_args::nsize, PAGE_DEFAULT, round_page, thread::vm_daddr, thread::vm_dsize, vmm_remapPage(), and vmmFindFreePage().
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| void* vmm_getFreeMallocPage | ( | uInt16 | count | ) |
Definition at line 401 of file paging.c.
References fkpSpinLock, K_PANIC, KERNEL_PAGE_DEFAULT, spinLock(), spinUnlock(), sysID, tablesBaseAddress, vmm_remapPage(), vmmClearVirtualPage(), vmmFindFreePage(), and x1000.
Referenced by getEmptyDesc().
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Function: void *vmmGetPhysicalAddr(); Description: Returns The Physical Address Of The Virtual Page Notes:
Definition at line 40 of file getphysicaladdr.c.
References tablesBaseAddress, and x1000.
Referenced by vmm_pageFault(), vmmCopyVirtualSpace(), and vmmCreateVirtualSpace().
Definition at line 53 of file pagefault.c.
References _current, adjustCowCounter(), endTask(), taskStruct::id, kpanic(), kprintf(), PAGE_COW, PAGE_DEFAULT, pageEntries, pageFaultSpinLock, parentPageDirAddr, spinLock(), spinUnlock(), tablesBaseAddress, taskStruct::td, thread::vm_daddr, thread::vm_dsize, vmm_getPhysicalAddr(), vmmFindFreePage(), vmmGetFreeVirtualPage(), vmmUnmapPage(), x1, and x1000.
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| int vmm_pagingInit | ( | ) |
Definition at line 59 of file paging.c.
References _vmm_pageFault, K_PANIC, KERNEL_PAGE_DEFAULT, kernelPageDirectory, kprintf(), memset(), numPages, pageEntries, sysID, vmm_remapPage(), vmmFindFreePage(), vmmMemoryMap, vmmMemoryMapAddr, x1, and x1000.
Referenced by vmm_init().
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Definition at line 160 of file paging.c.
References _current, freePage(), taskStruct::id, K_PANIC, KERNEL_PAGE_DEFAULT, kprintf(), PAGE_COW, PAGE_DEFAULT, PAGE_PRESENT, PAGE_STACK, pageEntries, parentPageDirAddr, rmpSpinLock, spinLock(), spinUnlock(), tablesBaseAddress, vmmFindFreePage(), and x1000.
Referenced by elf_loadfile(), execFile(), kmod_load(), ldEnable(), obreak(), sys_exec(), sysExec(), vmm_getFreeMallocPage(), vmm_pagingInit(), vmmGetFreeKernelPage(), vmmGetFreePage(), vmmGetFreeVirtualPage(), and vmmMapFromTask().
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Definition at line 41 of file setpageattributes.c.
References kpanic(), tablesBaseAddress, and x1000.
Referenced by elf_loadfile(), execFile(), sys_exec(), and sysExec().
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| int vmmClearVirtualPage | ( | uInt32 | pageAddr | ) |
Definition at line 314 of file paging.c.
References pageEntries.
Referenced by vmm_getFreeMallocPage(), vmmGetFreeKernelPage(), vmmGetFreePage(), and vmmGetFreeVirtualPage().
| void* vmmCopyVirtualSpace | ( | pidType | ) |
Definition at line 53 of file copyvirtualspace.c.
References adjustCowCounter(), cvsSpinLock, kpanic(), memset(), PAGE_COW, PAGE_DEFAULT, PAGE_STACK, pageEntries, parentPageDirAddr, spinLock(), spinUnlock(), tablesBaseAddress, vmm_getPhysicalAddr(), vmmGetFreeKernelPage(), vmmUnmapPage(), x1, and x1000.
Referenced by fork_copyProcess().
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| void* vmmCreateVirtualSpace | ( | pidType | ) |
Definition at line 81 of file createvirtualspace.c.
References PAGE_DEFAULT, pageEntries, parentPageDirAddr, tablesBaseAddress, vmm_getPhysicalAddr(), vmmGetFreePage(), and vmmUnmapPage().
Referenced by execFile().
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Definition at line 253 of file paging.c.
References fkpSpinLock, K_PANIC, KERNEL_PAGE_DEFAULT, spinLock(), spinUnlock(), tablesBaseAddress, vmm_remapPage(), vmmClearVirtualPage(), and vmmFindFreePage().
Referenced by vmmCopyVirtualSpace().
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| void* vmmGetFreePage | ( | pidType | ) |
Definition at line 48 of file getfreepage.c.
References KERNEL_PAGE_DEFAULT, kpanic(), spinLock(), spinUnlock(), tablesBaseAddress, vmm_remapPage(), vmmClearVirtualPage(), vmmFindFreePage(), vmmGFPlock, and x1000.
Referenced by vmmCreateVirtualSpace().
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| void* vmmGetFreeVirtualPage | ( | pidType | , | |
| int | , | |||
| int | ||||
| ) |
Definition at line 47 of file getfreevirtualpage.c.
References _current, btoc, ctob, fvpSpinLock, taskStruct::id, K_PANIC, kpanic(), kprintf(), taskStruct::oInfo, PAGE_COW, PAGE_DEFAULT, PAGE_PRESENT, pageEntries, parentPageDirAddr, spinLock(), spinUnlock(), tablesBaseAddress, taskStruct::td, thread::vm_daddr, thread::vm_dsize, VM_TASK, VM_THRD, vmm_remapPage(), vmmClearVirtualPage(), vmmFindFreePage(), osInfo::vmStart, x1, and x1000.
Referenced by mmap(), sysExec(), sysGetFreePage(), and vmm_pageFault().
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Definition at line 332 of file paging.c.
References _current, tssStruct::cr3, K_PANIC, KERNEL_PAGE_DEFAULT, taskStruct::oInfo, schedFindTask(), tablesBaseAddress, taskStruct::tss, vmm_remapPage(), vmmUnmapPage(), osInfo::vmStart, and x1000.
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| void vmmUnmapPage | ( | uInt32 | , | |
| int | ||||
| ) |
Definition at line 50 of file unmappage.c.
References tablesBaseAddress, and x1000.
Referenced by vmm_pageFault(), vmmCopyVirtualSpace(), vmmCreateVirtualSpace(), and vmmMapFromTask().
| void vmmUnmapPages | ( | void * | , | |
| uInt32 | ||||
| ) |
Definition at line 40 of file paging.c.
Referenced by _int8(), execFile(), execThread(), idt_init(), and vmm_pagingInit().
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