paging.c File Reference

#include <sys/types.h>
#include <vmm/vmm.h>
#include <lib/kprintf.h>
#include <lib/kmalloc.h>
#include <ubixos/kpanic.h>
#include <ubixos/sched.h>
#include <ubixos/spinlock.h>
#include <string.h>
#include <assert.h>
#include <sys/descrip.h>
#include <ubixos/vitals.h>

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Functions
int	obreak (struct thread *td, struct obreak_args *uap)
int	vmm_cleanVirtualSpace (uint32_t addr)
int	vmm_clearVirtualPage (uint32_t pageAddr)
void *	vmm_getFreeKernelPage (pidType pid, uint16_t count)
void *	vmm_getFreeMallocPage (uInt16 count)
void *	vmm_mapFromTask (pidType pid, void *ptr, uint32_t size)
int	vmm_pagingInit ()
int	vmm_remapPage (uint32_t source, uint32_t dest, uint16_t perms, pidType pid, int haveLock)

Variables
uint32_t *	kernelPageDirectory = 0x0

Function Documentation

obreak()

int obreak	(	struct thread *	td,
		struct obreak_args *	uap
	)

Definition at line 546 of file paging.c.

vmm_cleanVirtualSpace()

int vmm_cleanVirtualSpace

(

uint32_t

addr

)

Definition at line 587 of file paging.c.

Referenced by sysExec().

vmm_clearVirtualPage()

int vmm_clearVirtualPage

(

uint32_t

pageAddr

)

Definition at line 356 of file paging.c.

References PD_ENTRIES.

Referenced by vmm_getFreeKernelPage().

vmm_getFreeKernelPage()

void* vmm_getFreeKernelPage	(	pidType	pid,
		uint16_t	count
	)

Definition at line 291 of file paging.c.

References K_PANIC, KERNEL_PAGE_DEFAULT, kpanic(), PAGE_PRESENT, PAGE_SIZE, PD_BASE_ADDR, PD_ENTRIES, PD_INDEX, pdSpinLock, PT_BASE_ADDR, PT_ENTRIES, spinLock(), spinUnlock(), vmm_allocPageTable(), vmm_clearVirtualPage(), vmm_findFreePage(), VMM_KERN_END, VMM_KERN_START, and vmm_remapPage().

Referenced by biosCall(), and execThread().

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vmm_getFreeMallocPage()

void* vmm_getFreeMallocPage

(

uInt16

count

)

Definition at line 488 of file paging.c.

vmm_mapFromTask()

void* vmm_mapFromTask	(	pidType	pid,
		void *	ptr,
		uint32_t	size
	)

Definition at line 372 of file paging.c.

Referenced by sdeThread().

vmm_pagingInit()

int vmm_pagingInit

(

)

Definition at line 58 of file paging.c.

References _vmm_pageFault(), bzero, K_PANIC, KERNEL_PAGE_DEFAULT, kernelPageDirectory, kprintf(), numPages, PAGE_DEFAULT, PAGE_GLOBAL, PAGE_SIZE, PAGE_STACK, PD_BASE_ADDR, PD_ENTRIES, PD_INDEX, PT_BASE_ADDR, sysID, vmm_findFreePage(), VMM_KERN_END, VMM_KERN_START, VMM_MMAP_ADDR_PMODE, VMM_MMAP_ADDR_RMODE, vmm_remapPage(), and vmmMemoryMap.

Referenced by vmm_init().

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vmm_remapPage()

int vmm_remapPage	(	uint32_t	source,
		uint32_t	dest,
		uint16_t	perms,
		pidType	pid,
		int	haveLock
	)

Definition at line 199 of file paging.c.

References K_PANIC, kpanic(), spinLock(), sysID, VMM_USER_END, and VMM_USER_START.

Referenced by elf_load_file(), execFile(), freebsd6_mmap(), kmod_load(), ldEnable(), ogDisplay_UbixOS::SetMode(), sys_mmap(), sysExec(), vmm_getFreeKernelPage(), and vmm_pagingInit().

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Variable Documentation

kernelPageDirectory

uint32_t* kernelPageDirectory = 0x0

Definition at line 41 of file paging.c.

Referenced by biosCall(), execFile(), execThread(), and vmm_pagingInit().