vmm_memory.c File Reference

#include <vmm/vmm.h>
#include <sys/io.h>
#include <ubixos/kpanic.h>
#include <lib/kprintf.h>
#include <lib/kmalloc.h>
#include <ubixos/vitals.h>
#include <ubixos/spinlock.h>
#include <assert.h>

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Functions
int	adjustCowCounter (uInt32 baseAddr, int adjustment)
int	countMemory ()
int	freePage (uInt32 pageAddr)
uInt32	vmmFindFreePage (pidType pid)
void	vmmFreeProcessPages (pidType pid)
int	vmmMemMapInit ()
Variables
static uInt32	freePages = 0
int	numPages = 0x0
static spinLock_t	vmmCowSpinLock = SPIN_LOCK_INITIALIZER
mMap *	vmmMemoryMap = (mMap *) 0x101000
static spinLock_t	vmmSpinLock = SPIN_LOCK_INITIALIZER

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Function Documentation

int adjustCowCounter	(	uInt32	baseAddr,
		int	adjustment
	)

Definition at line 266 of file vmm_memory.c.

References assert, mMap::cowCounter, vitalsStruct::freePages, freePages, memAvail, mMap::pid, spinLock(), spinUnlock(), mMap::status, systemVitals, vmmCowSpinLock, vmmID, and vmmMemoryMap.

Referenced by freePage(), vmm_pageFault(), vmmCopyVirtualSpace(), and vmmFreeProcessPages().

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int countMemory

(

)

Definition at line 104 of file vmm_memory.c.

References cr0, inportByte(), and outportByte().

Referenced by vmmMemMapInit().

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int freePage

(

uInt32

pageAddr

)

Definition at line 228 of file vmm_memory.c.

References adjustCowCounter(), assert, mMap::cowCounter, vitalsStruct::freePages, freePages, memAvail, mMap::pid, spinLock(), spinUnlock(), mMap::status, systemVitals, vmmMemoryMap, and vmmSpinLock.

Referenced by vmm_remapPage().

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uInt32 vmmFindFreePage

(

pidType

pid

)

Definition at line 186 of file vmm_memory.c.

References vitalsStruct::freePages, freePages, kpanic(), memAvail, memNotavail, numPages, mMap::pid, spinLock(), spinUnlock(), status, sysID, systemVitals, vmmMemoryMap, and vmmSpinLock.

Referenced by elf_loadfile(), execFile(), kmod_load(), ldEnable(), obreak(), sys_exec(), sysExec(), vmm_getFreeMallocPage(), vmm_pageFault(), vmm_pagingInit(), vmm_remapPage(), vmmGetFreeKernelPage(), vmmGetFreePage(), and vmmGetFreeVirtualPage().

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void vmmFreeProcessPages

(

pidType

pid

)

Definition at line 296 of file vmm_memory.c.

References adjustCowCounter(), mMap::cowCounter, vitalsStruct::freePages, freePages, memAvail, numPages, PAGE_COW, pageEntries, parentPageDirAddr, mMap::pid, spinLock(), spinUnlock(), status, systemVitals, tablesBaseAddress, vmmID, vmmMemoryMap, vmmSpinLock, and x1000.

Referenced by systemTask().

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int vmmMemMapInit

(

)

Definition at line 57 of file vmm_memory.c.

References countMemory(), freePages, kprintf(), memAvail, memNotavail, numPages, mMap::pageAddr, mMap::pid, status, mMap::status, vmmID, vmmMemoryMap, and x1000.

Referenced by vmm_init().

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Variable Documentation

uInt32 freePages = 0 [static]

Definition at line 39 of file vmm_memory.c.

Referenced by adjustCowCounter(), freePage(), vmmFindFreePage(), vmmFreeProcessPages(), and vmmMemMapInit().

int numPages = 0x0

Definition at line 44 of file vmm_memory.c.

Referenced by vmm_pagingInit(), vmmFindFreePage(), vmmFreeProcessPages(), and vmmMemMapInit().

spinLock_t vmmCowSpinLock = SPIN_LOCK_INITIALIZER [static]

Definition at line 41 of file vmm_memory.c.

Referenced by adjustCowCounter().

mMap* vmmMemoryMap = (mMap *) 0x101000

Definition at line 45 of file vmm_memory.c.

Referenced by adjustCowCounter(), freePage(), kmain(), vmm_pagingInit(), vmmFindFreePage(), vmmFreeProcessPages(), and vmmMemMapInit().

spinLock_t vmmSpinLock = SPIN_LOCK_INITIALIZER [static]

Definition at line 40 of file vmm_memory.c.

Referenced by freePage(), vmmFindFreePage(), and vmmFreeProcessPages().

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